:root {
  --ink: #10253f;
  --ink-soft: #40556c;
  --muted: #6a7d8f;
  --line: rgba(16, 37, 63, 0.12);
  --paper: #f7fafc;
  --white: #ffffff;
  --blue: #0d66b4;
  --blue-deep: #06467f;
  --cyan: #24a9c8;
  --green: #44a647;
  --green-deep: #267235;
  --accent: #7cc45a;
  --shadow: 0 24px 70px rgba(9, 45, 78, 0.12);
  --shadow-soft: 0 12px 40px rgba(9, 45, 78, 0.09);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1180px;
  --header-h: 82px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(36,169,200,.08), transparent 25rem),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 54%, #ffffff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { background: rgba(36,169,200,.18); }

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(880px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; position: relative; }
.section.tight { padding: 64px 0; }
.section.tint { background: rgba(232, 244, 248, 0.62); border-block: 1px solid rgba(13,102,180,.07); }
.section.dark {
  color: white;
  background:
    radial-gradient(circle at 15% 20%, rgba(36,169,200,.24), transparent 28rem),
    radial-gradient(circle at 90% 60%, rgba(68,166,71,.16), transparent 25rem),
    #092744;
}

.site-header {
  position: sticky; top: 0; z-index: 1000;
  min-height: var(--header-h);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid rgba(16,37,63,.08);
}
.header-inner { min-height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 240px; flex: 0 0 auto; }
.brand-logo { width: 58px; height: 51px; object-fit: contain; }
.brand-copy { line-height: 1.12; }
.brand-copy strong { display: block; font-size: 13px; letter-spacing: .04em; color: var(--blue-deep); }
.brand-copy span { display: block; margin-top: 5px; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
/* The nav may shrink (and scroll) instead of pushing the language switch off screen. */
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 2px; flex: 0 1 auto; min-width: 0; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; -ms-overflow-style: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a { padding: 11px 10px; border-radius: 10px; font-size: 13px; color: #29435d; transition: .22s ease; white-space: nowrap; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--blue-deep); background: rgba(13,102,180,.07); }
.header-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.lang-toggle, .menu-toggle {
  border: 1px solid rgba(16,37,63,.12); background: white; border-radius: 999px;
  min-height: 40px; padding: 0 13px; cursor: pointer; transition: .22s ease;
}
.lang-toggle:hover, .menu-toggle:hover { border-color: rgba(13,102,180,.35); box-shadow: 0 8px 20px rgba(13,102,180,.08); }
.menu-toggle { display: none; width: 42px; padding: 0; place-items: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { width: 18px; height: 2px; background: currentColor; position: relative; display: block; transition: .2s ease; }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
body.menu-open .menu-toggle span { background: transparent; }
body.menu-open .menu-toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .menu-toggle span::after { top: 0; transform: rotate(-45deg); }

.i18n[data-lang="zh"] { display: none; }
html[lang="zh-CN"] .i18n[data-lang="en"] { display: none !important; }
html[lang="zh-CN"] .i18n[data-lang="zh"] { display: revert; }

/* English navigation labels are far wider than the Chinese ones (about 1030px
   versus 620px), so the English header used to grow wider than the page and
   push the 中文 / EN switch outside the viewport. These language-scoped rules
   keep the header inside the screen. The Chinese header is left untouched. */
html[lang="en"] .brand { min-width: auto; }
/* Eight English labels need more room than the 1180px container can give once
   the brand copy is shown, so the English header keeps the logo only. */
html[lang="en"] .brand-copy { display: none; }
@media (min-width: 921px) {
  html[lang="en"] .site-nav { gap: 0; }
  html[lang="en"] .site-nav a { padding-inline: 8px; }
}
@media (min-width: 921px) and (max-width: 1220px) {
  html[lang="en"] .site-nav a { padding-inline: 7px; font-size: 12px; }
}
/* Narrower desktop widths: reuse the compact header menu already used on mobile,
   so the language switch always stays on screen. */
@media (max-width: 1150px) {
  /* the nav is taken out of flow in compact mode, so keep the actions on the right */
  html[lang="en"] .header-actions { margin-left: auto; }
}
@media (min-width: 921px) and (max-width: 1150px) {
  html[lang="en"] .menu-toggle { display: grid; }
  html[lang="en"] .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0; padding: 16px 14px 24px;
    background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(9,45,78,.12); display: grid; overflow: visible;
    transform: translateY(-120%); opacity: 0; pointer-events: none; transition: .3s var(--ease);
  }
  html[lang="en"] body.menu-open .site-nav { transform: none; opacity: 1; pointer-events: auto; }
  html[lang="en"] .site-nav a { padding: 12px 14px; font-size: 14px; }
}

.hero { min-height: calc(100vh - var(--header-h)); position: relative; overflow: hidden; isolation: isolate; background: #081f37; color: white; }
.hero-slides, .hero-slide, .hero-overlay, .hero-grid { position: absolute; inset: 0; }
.hero-slide { opacity: 0; background-size: cover; background-position: center; transform: scale(1.04); transition: opacity 1.1s ease, transform 7s linear; }
.hero-slide.active { opacity: 1; transform: scale(1.10); }
.hero-overlay { background: linear-gradient(90deg, rgba(5,27,49,.88) 0%, rgba(5,31,57,.68) 45%, rgba(4,25,43,.22) 100%), linear-gradient(0deg, rgba(2,20,36,.45), transparent 45%); }
.hero-grid { opacity: .25; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, black, transparent 76%); }
.hero-inner { min-height: calc(100vh - var(--header-h)); display: grid; align-items: center; position: relative; z-index: 2; padding: 76px 0 80px; }
.hero-content { max-width: 810px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); }
.hero .eyebrow { color: #9bdcf0; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.hero h1 { font-size: clamp(44px, 6.4vw, 83px); line-height: .98; letter-spacing: -.045em; margin: 22px 0 26px; max-width: 930px; }
.hero h1 .amp { color: #9ee475; font-weight: 500; }
.hero-lede { font-size: clamp(18px, 2vw, 24px); line-height: 1.45; max-width: 780px; color: rgba(255,255,255,.82); margin: 0 0 36px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; color: rgba(255,255,255,.8); font-size: 14px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta > span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #8ed96b; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; border-radius: 999px; padding: 0 20px; border: 1px solid transparent; font-weight: 720; font-size: 14px; transition: .24s var(--ease); cursor: pointer; }
.btn.primary { background: linear-gradient(135deg, var(--blue), var(--cyan)); color: white; box-shadow: 0 12px 30px rgba(13,102,180,.22); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 17px 36px rgba(13,102,180,.28); }
.btn.secondary { background: rgba(255,255,255,.08); color: white; border-color: rgba(255,255,255,.3); backdrop-filter: blur(10px); }
.btn.secondary:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.btn.ghost { background: white; color: var(--blue-deep); border-color: var(--line); }
.btn.ghost:hover { border-color: rgba(13,102,180,.32); transform: translateY(-2px); }
.hero-dots { position: absolute; z-index: 3; left: max(20px, calc((100% - var(--max))/2)); bottom: 30px; display: flex; gap: 8px; }
.hero-dot { width: 30px; height: 3px; background: rgba(255,255,255,.28); border: 0; cursor: pointer; padding: 0; transition: .25s ease; }
.hero-dot.active { background: white; width: 58px; }

.page-hero { position: relative; padding: 92px 0 72px; color: white; overflow: hidden; background: #0a3155; isolation: isolate; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background-image: var(--page-hero-image); background-size: cover; background-position: center; filter: saturate(.9); }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(4,28,50,.9), rgba(4,37,66,.65) 56%, rgba(4,37,66,.3)); }
.page-hero h1 { font-size: clamp(40px, 5vw, 66px); letter-spacing: -.035em; line-height: 1.04; margin: 16px 0 15px; }
.page-hero p { max-width: 760px; color: rgba(255,255,255,.78); font-size: 18px; margin: 0; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 12px; text-transform: uppercase; letter-spacing: .11em; color: rgba(255,255,255,.66); }
.breadcrumb a:hover { color: white; }

.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .7fr); align-items: end; gap: 34px; margin-bottom: 42px; }
.section-heading.single { grid-template-columns: 1fr; max-width: 820px; }
.section-heading h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1.08; letter-spacing: -.035em; margin: 10px 0 0; }
.section-heading p { margin: 0; color: var(--ink-soft); }
.kicker { color: var(--blue); text-transform: uppercase; letter-spacing: .15em; font-weight: 780; font-size: 12px; }
.lead { font-size: clamp(18px, 2.1vw, 24px); color: var(--ink-soft); line-height: 1.62; }
.prose { color: var(--ink-soft); }
.prose p { margin: 0 0 1em; }
.prose strong { color: var(--ink); }

.metric-strip { margin-top: -38px; position: relative; z-index: 4; }
.metric-panel { display: grid; grid-template-columns: repeat(4, 1fr); background: white; border: 1px solid var(--line); border-radius: var(--radius-xl); box-shadow: var(--shadow); overflow: hidden; }
.metric { padding: 25px 27px; min-height: 126px; display: flex; flex-direction: column; justify-content: center; }
.metric + .metric { border-left: 1px solid var(--line); }
.metric strong { font-size: 29px; letter-spacing: -.03em; line-height: 1.1; color: var(--blue-deep); }
.metric span { font-size: 12px; color: var(--muted); margin-top: 7px; text-transform: uppercase; letter-spacing: .07em; }

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.split.reverse { grid-template-columns: .95fr 1.05fr; }
.split.reverse > :first-child { order: 2; }
.media-card { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow); background: #dfe9ef; min-height: 420px; }
.media-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.media-card.contain { background: white; border: 1px solid var(--line); }
.media-card.contain img { object-fit: contain; padding: 24px; }
.media-card .caption { position: absolute; inset: auto 18px 18px 18px; padding: 13px 15px; border-radius: 13px; color: white; font-size: 12px; background: rgba(6,36,62,.64); backdrop-filter: blur(12px); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: 0 8px 24px rgba(9,45,78,.04); transition: .3s var(--ease); }
.card:hover { transform: translateY(-4px); border-color: rgba(13,102,180,.24); box-shadow: var(--shadow-soft); }
.card .number { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 800; color: var(--blue-deep); background: rgba(13,102,180,.09); margin-bottom: 18px; }
.card h3 { font-size: 20px; line-height: 1.3; margin: 0 0 12px; letter-spacing: -.015em; }
.card p { color: var(--ink-soft); margin: 0; }

.highlight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: highlights; }
.highlight-card { min-height: 280px; border-radius: var(--radius-xl); padding: 30px; background: white; border: 1px solid var(--line); position: relative; overflow: hidden; }
.highlight-card::after { counter-increment: highlights; content: "0" counter(highlights); position: absolute; right: 22px; bottom: 4px; font-size: 66px; line-height: 1; font-weight: 850; color: rgba(13,102,180,.06); }
.highlight-card h3 { font-size: 22px; margin: 36px 0 13px; line-height: 1.2; }
.highlight-card p { margin: 0; color: var(--ink-soft); }
.highlight-icon { width: 48px; height: 4px; border-radius: 10px; background: linear-gradient(90deg, var(--blue), var(--green)); }

.carousel-shell { overflow: hidden; border-radius: var(--radius-xl); }
.carousel-track { display: flex; transition: transform .55s var(--ease); }
.carousel-slide { min-width: 100%; aspect-ratio: 16/9; position: relative; overflow: hidden; background: #dbe7ed; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-controls { display: flex; gap: 8px; margin-top: 15px; justify-content: flex-end; }
.icon-button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: white; cursor: pointer; transition: .2s ease; }
.icon-button:hover { border-color: rgba(13,102,180,.32); transform: translateY(-2px); }

.event-list { display: grid; gap: 18px; }
.event-item { display: grid; grid-template-columns: 150px 1fr; gap: 28px; padding: 27px 0; border-top: 1px solid var(--line); }
.event-item:last-child { border-bottom: 1px solid var(--line); }
.event-label { font-size: 12px; color: var(--blue); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.event-item h3 { margin: 0 0 8px; font-size: 23px; line-height: 1.25; }
.event-item p { margin: 0; color: var(--ink-soft); }
.theme-list { columns: 2; column-gap: 28px; margin: 18px 0 0; padding: 0; list-style: none; }
.theme-list li { break-inside: avoid; position: relative; padding: 8px 0 8px 25px; color: var(--ink-soft); }
.theme-list li::before { content: ""; position: absolute; left: 0; top: 17px; width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg,var(--blue),var(--green)); }

.gallery-three { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 14px; }
.gallery-three figure { margin: 0; border-radius: var(--radius-lg); overflow: hidden; min-height: 320px; position: relative; }
.gallery-three img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

.form-shell { display: grid; grid-template-columns: .9fr 1.1fr; background: white; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius-xl); overflow: hidden; }
.form-visual { min-height: 620px; position: relative; background: #dce9ee; }
.form-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.form-visual::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,transparent 45%,rgba(4,31,54,.7)); }
.form-visual .visual-copy { position: absolute; z-index: 1; inset: auto 30px 30px; color: white; }
.form-visual .visual-copy h3 { margin: 0 0 6px; font-size: 30px; }
.form-visual .visual-copy p { margin:0; color:rgba(255,255,255,.8); }
.form-body { padding: 42px; }
.form-body h2 { margin:0 0 8px; font-size: 34px; line-height:1.1; }
.form-body > p { color:var(--muted); margin:0 0 28px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field { display:grid; gap:7px; }
.field.full { grid-column:1 / -1; }
.field label { font-size:12px; font-weight:800; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.06em; }
.field input, .field select, .field textarea { width:100%; border:1px solid rgba(16,37,63,.16); border-radius:12px; min-height:46px; padding:11px 13px; color:var(--ink); background:#fbfdfe; outline:none; transition:.2s ease; }
.field textarea { min-height:112px; resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color:rgba(13,102,180,.6); box-shadow:0 0 0 4px rgba(13,102,180,.08); background:white; }
.form-note { font-size:12px; color:var(--muted); margin-top:15px; }
.form-status { display:none; padding:11px 13px; border-radius:10px; margin-top:14px; font-size:13px; }
.form-status.show { display:block; }
.form-status.ok { background:rgba(68,166,71,.1); color:#24682f; }
.form-status.error { background:rgba(184,68,68,.1); color:#9a3030; }

.local-nav { position: sticky; top: calc(var(--header-h) + 12px); z-index: 20; display:flex; gap:8px; padding:9px; margin: 0 auto 42px; width:fit-content; max-width:calc(100% - 30px); overflow:auto; background:rgba(255,255,255,.88); backdrop-filter:blur(12px); border:1px solid var(--line); border-radius:999px; box-shadow:0 10px 28px rgba(9,45,78,.08); }
.local-nav a { white-space:nowrap; font-size:12px; font-weight:750; color:var(--ink-soft); padding:8px 12px; border-radius:999px; }
.local-nav a:hover { background:rgba(13,102,180,.08); color:var(--blue-deep); }

.expo-intro { max-width:820px; }
.expo-section { scroll-margin-top: 130px; padding:44px 0; border-top:1px solid var(--line); }
.expo-section:first-child { border-top:0; }
.expo-head { display:grid; grid-template-columns:90px 1fr; gap:25px; align-items:start; }
.session-no { font-size:12px; font-weight:850; letter-spacing:.12em; color:var(--blue); text-transform:uppercase; padding-top:8px; }
.expo-head h2 { margin:0 0 12px; font-size:clamp(28px,3vw,40px); line-height:1.1; letter-spacing:-.025em; }
.expo-blocks { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; margin-top:24px; }
.expo-block { padding:24px; border-radius:var(--radius-lg); border:1px solid var(--line); background:white; }
.expo-block h3 { margin:0 0 10px; font-size:17px; color:var(--blue-deep); }
.expo-block p { margin:0; color:var(--ink-soft); font-size:14px; }
.decor-wide { margin:32px 0 0 115px; border-radius:var(--radius-xl); overflow:hidden; aspect-ratio: 16/7; }
.decor-wide img { width:100%; height:100%; object-fit:cover; }

.travel-layout { display:grid; grid-template-columns:.72fr 1.28fr; gap:40px; align-items:start; }
.travel-poster { position:sticky; top:110px; background:white; padding:14px; border:1px solid var(--line); border-radius:var(--radius-lg); box-shadow:var(--shadow-soft); }
.travel-poster img { border-radius:12px; width:100%; }
.travel-group { padding:28px 0; border-top:1px solid var(--line); }
.travel-group:first-child { border-top:0; padding-top:0; }
.travel-group h2 { margin:0 0 18px; font-size:29px; }
.travel-card { padding:19px 20px; border:1px solid var(--line); border-radius:16px; background:white; margin-top:12px; }
.travel-card h3 { margin:0 0 9px; font-size:18px; }
.travel-meta { display:flex; flex-wrap:wrap; gap:7px 16px; font-size:13px; color:var(--ink-soft); }
.route { margin-top:10px; font-size:13px; color:var(--muted); }
.map-embed { margin-top:12px; border:1px solid var(--line); border-radius:16px; background:white; overflow:hidden; box-shadow:var(--shadow-soft); }
.map-embed iframe { display:block; width:100%; height:clamp(360px, 55vw, 520px); border:0; }
.map-note { margin-top:10px; font-size:13px; color:var(--muted); }

.poem { max-width:620px; padding:33px; border-radius:var(--radius-xl); background:linear-gradient(145deg,#f9fbfc,#eef5f1); border:1px solid var(--line); font-family: Georgia, "Noto Serif SC", serif; font-size:18px; line-height:1.9; }
.poem p { margin:0; }
.poem cite { display:block; margin-top:14px; color:var(--muted); font-size:13px; font-style:normal; }
.declaration-grid { display:grid; gap:14px; }
.declaration-card { border:1px solid var(--line); border-radius:18px; background:white; padding:24px; }
.declaration-card h3 { margin:0 0 10px; font-size:19px; color:var(--blue-deep); }
.declaration-card p { margin:0; color:var(--ink-soft); }

.case-intro { max-width:860px; }
.case-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.case-card { display:grid; grid-template-columns:170px 1fr; min-height:285px; border:1px solid var(--line); border-radius:var(--radius-xl); overflow:hidden; background:white; box-shadow:0 9px 30px rgba(9,45,78,.05); transition:.28s var(--ease); }
.case-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-soft); }
.case-media { background:linear-gradient(145deg,#e8f0f3,#dce7ed); position:relative; min-height:100%; }
.case-media img { width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.case-media.portrait img { object-position:center top; }
.case-content { padding:24px; }
.case-no { color:var(--blue); font-weight:850; font-size:11px; letter-spacing:.1em; text-transform:uppercase; }
.case-content h2 { font-size:19px; line-height:1.3; margin:8px 0 10px; }
.case-content p { margin:0; color:var(--ink-soft); font-size:13.5px; }
.case-placeholder { width:100%; height:100%; display:grid; place-items:center; color:var(--muted); padding:20px; text-align:center; font-size:12px; }

.media-layout { display:grid; grid-template-columns:1.15fr .85fr; gap:50px; align-items:start; }
.media-logo-wall { position:sticky; top:110px; border:1px solid var(--line); background:white; border-radius:var(--radius-xl); padding:20px; box-shadow:var(--shadow-soft); }
.media-logo-wall img { width:100%; height:auto; }
.strategy-line { display:grid; grid-template-columns:32px 1fr; gap:14px; padding:18px 0; border-top:1px solid var(--line); }
.strategy-line:first-child { border-top:0; }
.strategy-line .bullet { width:28px; height:28px; display:grid; place-items:center; border-radius:50%; background:rgba(13,102,180,.09); color:var(--blue); font-size:12px; font-weight:850; }
.strategy-line h3 { margin:0 0 5px; font-size:18px; }
.strategy-line p { margin:0; color:var(--ink-soft); }

.contact-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:45px; align-items:start; }
.contact-panel { padding:30px; border-radius:var(--radius-xl); background:white; border:1px solid var(--line); box-shadow:var(--shadow-soft); }
.contact-row { padding:15px 0; border-top:1px solid var(--line); }
.contact-row:first-of-type { border-top:0; }
.contact-row small { display:block; color:var(--muted); text-transform:uppercase; letter-spacing:.08em; font-weight:750; margin-bottom:4px; }
.contact-row a { color:var(--blue-deep); font-weight:700; }
.map-slot { min-height:340px; border-radius:var(--radius-xl); border:1px dashed rgba(13,102,180,.28); background:linear-gradient(145deg,rgba(13,102,180,.04),rgba(68,166,71,.04)); display:grid; place-items:center; padding:30px; text-align:center; color:var(--muted); }
.map-slot code { display:block; margin-top:8px; font-size:12px; color:var(--ink-soft); }

.contact-band { border-radius:var(--radius-xl); padding:45px; background:linear-gradient(120deg,#0a4b83,#08769c 60%,#2d8a49); color:white; display:grid; grid-template-columns:1.2fr .8fr; gap:30px; align-items:center; overflow:hidden; position:relative; }
.contact-band::after { content:""; width:330px; height:330px; border-radius:50%; border:1px solid rgba(255,255,255,.17); position:absolute; right:-90px; top:-120px; box-shadow:0 0 0 60px rgba(255,255,255,.025),0 0 0 120px rgba(255,255,255,.018); }
.contact-band h2 { font-size:clamp(29px,4vw,45px); line-height:1.08; margin:0 0 10px; }
.contact-band p { margin:0; color:rgba(255,255,255,.78); }
.contact-band .button-row { justify-content:flex-end; position:relative; z-index:2; margin:0; }

.site-footer { padding:54px 0 24px; background:#071d31; color:rgba(255,255,255,.75); }
.footer-grid { display:grid; grid-template-columns:1.4fr .8fr .8fr; gap:45px; }
.footer-brand { display:flex; gap:15px; align-items:center; }
.footer-brand img { width:76px; height:67px; object-fit:contain; background:white; border-radius:13px; padding:5px; }
.footer-brand strong { color:white; display:block; margin-bottom:5px; }
.footer-brand p { margin:0; font-size:13px; }
.footer-col h3 { color:white; font-size:13px; text-transform:uppercase; letter-spacing:.1em; margin:0 0 13px; }
.footer-col a, .footer-col span { display:block; font-size:13px; margin:6px 0; color:rgba(255,255,255,.7); }
.footer-col a:hover { color:white; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); margin-top:35px; padding-top:20px; font-size:12px; display:flex; justify-content:space-between; gap:20px; }
.footer-filings { margin-top:10px; display:flex; justify-content:center; align-items:center; flex-wrap:wrap; gap:8px 16px; font-size:12px; line-height:1.5; text-align:center; }
.footer-filings a { color:rgba(255,255,255,.75); text-decoration:none; }
.footer-filings a:hover, .footer-filings a:focus-visible { color:#fff; text-decoration:underline; }
.footer-police-filing { display:inline-flex; align-items:center; justify-content:center; gap:5px; white-space:nowrap; }
.footer-police-filing img { width:16px; height:17px; object-fit:contain; flex:none; }


.reveal { opacity:0; transform:translateY(24px); transition:opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.visible { opacity:1; transform:none; }
.reveal[data-delay="1"] { transition-delay:.08s; }
.reveal[data-delay="2"] { transition-delay:.16s; }
.reveal[data-delay="3"] { transition-delay:.24s; }

@media (max-width: 1100px) {
  .brand { min-width:auto; }
  .brand-copy { display:none; }
  .site-nav a { padding-inline:8px; font-size:12px; }
  .case-grid { grid-template-columns:1fr; }
}
@media (max-width: 920px) {
  :root { --header-h:72px; }
  .container { width:min(var(--max), calc(100% - 28px)); }
  .menu-toggle { display:grid; }
  .header-actions { margin-left:auto; }
  .site-nav { position:fixed; inset:var(--header-h) 0 auto 0; margin:0; padding:16px 14px 24px; background:rgba(255,255,255,.98); border-bottom:1px solid var(--line); box-shadow:0 20px 40px rgba(9,45,78,.12); display:grid; overflow:visible; transform:translateY(-120%); opacity:0; pointer-events:none; transition:.3s var(--ease); }
  body.menu-open .site-nav { transform:none; opacity:1; pointer-events:auto; }
  .site-nav a { padding:12px 14px; font-size:14px; }
  .brand-logo { width:50px; height:44px; }
  .hero-inner { min-height:calc(86vh - var(--header-h)); }
  .section { padding:72px 0; }
  .section-heading, .split, .split.reverse, .form-shell, .travel-layout, .media-layout, .contact-grid { grid-template-columns:1fr; }
  .split.reverse > :first-child { order:initial; }
  .metric-panel { grid-template-columns:repeat(2,1fr); }
  .metric:nth-child(3) { border-left:0; border-top:1px solid var(--line); }
  .metric:nth-child(4) { border-top:1px solid var(--line); }
  .cards, .highlight-grid { grid-template-columns:1fr; }
  .gallery-three { grid-template-columns:1fr 1fr; }
  .gallery-three figure:first-child { grid-column:1 / -1; }
  .travel-poster, .media-logo-wall { position:relative; top:auto; }
  .expo-blocks { grid-template-columns:1fr; }
  .decor-wide { margin-left:0; }
  .form-visual { min-height:360px; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .footer-grid > :first-child { grid-column:1 / -1; }
  .contact-band { grid-template-columns:1fr; }
  .contact-band .button-row { justify-content:flex-start; }
}
@media (max-width: 620px) {
  .container, .narrow { width:calc(100% - 22px); }
  .header-inner { gap:10px; }
  .header-actions { margin-left:auto; }
  .lang-toggle { padding-inline:11px; min-height:38px; font-size:12px; }
  .hero { min-height:720px; }
  .hero-inner { min-height:720px; padding-top:58px; }
  .hero h1 { font-size:43px; }
  .hero-lede { font-size:17px; }
  .hero-meta { display:grid; gap:8px; }
  .page-hero { padding:68px 0 56px; }
  .page-hero h1 { font-size:39px; }
  .section { padding:60px 0; }
  .metric-panel { grid-template-columns:1fr; }
  .metric + .metric { border-left:0; border-top:1px solid var(--line); }
  .metric strong { font-size:26px; }
  .event-item, .expo-head { grid-template-columns:1fr; gap:8px; }
  .theme-list { columns:1; }
  .gallery-three { grid-template-columns:1fr; }
  .gallery-three figure:first-child { grid-column:auto; }
  .gallery-three figure { min-height:230px; }
  .form-body { padding:28px 20px; }
  .form-grid { grid-template-columns:1fr; }
  .field.full { grid-column:auto; }
  .form-visual { min-height:300px; }
  .local-nav { justify-content:flex-start; border-radius:14px; width:calc(100% - 22px); }
  .case-card { grid-template-columns:1fr; }
  .case-media { min-height:220px; }
  .case-content { padding:22px; }
  .contact-band { padding:30px 24px; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-grid > :first-child { grid-column:auto; }
  .footer-bottom { display:block; }
  .footer-bottom span { display:block; margin-top:5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .reveal { opacity:1; transform:none; }
}

/* In-depth case article (Wuhan urban waterlogging story) */
.story-body { max-width: 880px; margin: 48px auto 0; }
.story-meta { font-size: 13px; color: var(--muted); margin: 0 0 28px; letter-spacing: .02em; }
.story-figure { margin: 36px 0; }
.story-figure img { width: 100%; display: block; background: white; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.story-figure figcaption { margin-top: 10px; font-size: 12.5px; color: var(--muted); text-align: center; letter-spacing: .02em; }
.story-credits { margin-top: 38px; padding: 24px 28px; background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: var(--radius-lg); font-size: 13.5px; color: var(--ink-soft); line-height: 2; }
.story-credits strong { color: var(--ink); }

@media print {
  .site-header, .site-footer, .local-nav, .hero-dots, .carousel-controls, .button-row, .registration-section { display:none !important; }
  body { background:white; color:black; }
  .page-hero { color:black; background:white; padding:30px 0; }
  .page-hero::before, .page-hero::after { display:none; }
  .section { padding:24px 0; }
  .card, .expo-block, .case-card, .contact-panel { box-shadow:none; break-inside:avoid; }
}

/* Registration receipt modal: hidden until a confirmed submission, no baseline layout changes. */
.registration-success-dialog { width:min(440px,calc(100vw - 32px)); max-width:100%; padding:33px 30px 27px; border:0; border-radius:19px; background:#fff; color:#1e2c42; box-shadow:0 25px 90px rgba(5,29,55,.25); text-align:center; }
.registration-success-dialog::backdrop { background:rgba(9,21,35,.62); backdrop-filter:blur(3px); }
.registration-success-dialog .registration-success-icon { margin:0 auto 17px; width:58px; height:58px; border-radius:50%; display:grid; place-items:center; font-size:28px; font-weight:800; color:white; background:linear-gradient(135deg,#078f78,#2db08c); }
.registration-success-dialog h2 { font-size:23px; margin:0 0 12px; color:#1e2c42; }
.registration-success-dialog .registration-success-description { color:#526680; line-height:1.75; margin:0 0 24px; font-size:15px; }
.registration-success-dialog .registration-success-confirm { min-width:150px; }
@media (max-width:760px) { .registration-success-dialog { padding:28px 23px 25px; } }