:root {
  --green: #167044;
  --green-dark: #105737;
  --green-soft: #edf5ef;
  --gold: #d5ab42;
  --ink: #252b29;
  --muted: #6a7470;
  --line: #e0e5e2;
  --paper: #f5f7f6;
  --max: 1240px;
}
* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; color: var(--ink); font-size: 15px; line-height: 1.75; background: #fff; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
button, a, input { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
svg { width: 18px; height: 18px; flex: none; stroke-width: 1.7; }
a, button { transition: color .18s ease, background-color .18s ease, border-color .18s ease; }
:focus-visible { outline: 3px solid #b48e2a; outline-offset: 4px; }
[hidden] { display: none !important; }
::selection { background: #d7eadc; color: #164428; }
.container { width: min(var(--max), calc(100% - 80px)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -70px; left: 20px; z-index: 99; background: #fff; padding: 12px 20px; }
.skip-link:focus { top: 0; }
.site-header { height: 86px; border-bottom: 1px solid var(--line); background: #fff; }
.header-inner { height: 100%; display: flex; align-items: center; gap: 26px; }
.brand { flex: none; }
.brand img { width: 176px; height: auto; max-height: 52px; object-fit: contain; }
.site-name { border-left: 1px solid var(--line); padding-left: 26px; color: #526159; white-space: nowrap; font-size: 15px; }
.site-header nav { margin-left: auto; display: flex; gap: 34px; align-items: stretch; height: 100%; white-space: nowrap; }
.site-header nav a { display: flex; align-items: center; gap: 6px; position: relative; font-size: 14px; font-weight: 500; }
.site-header nav a:hover, .site-header nav a.active { color: var(--green); }
.site-header nav a::after { content: ""; position: absolute; bottom: 17px; left: 0; width: 23px; height: 3px; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .18s ease; }
.site-header nav a:hover::after, .site-header nav a.active::after { transform: scaleX(1); }
.official-link { color: var(--muted); }
.official-link svg { width: 15px; height: 15px; }
.theme-banner { background: #086740; }
.theme-banner-link { display: block; width: 100%; aspect-ratio: 5303 / 1362; overflow: hidden; }
.theme-banner-image { width: 100%; height: 100%; object-fit: contain; }
.banner-caption { background: #104d35; color: #fff; }
.banner-caption-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 58px; }
.banner-caption p { display: flex; align-items: center; gap: 18px; margin: 0; font-size: 13px; }
.banner-caption strong { font-size: 18px; font-weight: 600; }
.caption-divider { width: 1px; height: 16px; background: #ffffff35; }
.banner-caption p > span:last-child { color: #dde6de; }
.banner-caption a { display: flex; align-items: center; gap: 18px; font-size: 12px; color: #f1e6b2; }
.banner-caption a:hover { color: #fff; }
.intro-section { display: grid; grid-template-columns: .93fr 1.07fr; gap: 68px; align-items: center; padding-block: 52px 56px; }
.intro-copy, .carousel { min-width: 0; }
.section-kicker { display: flex; align-items: center; gap: 9px; color: var(--green); font-size: 11px; font-weight: 600; line-height: 1.5; margin: 0 0 12px; }
.section-kicker::before { content: ""; width: 16px; height: 2px; background: var(--gold); flex: none; }
.intro-copy h2 { font-size: 28px; line-height: 1.4; font-weight: 650; margin: 0 0 15px; }
.intro-copy > p:not(.section-kicker) { font-size: 14px; line-height: 2; color: #626e66; margin: 0 0 12px; }
.intro-copy > p.intro-lead { font-size: 17px; color: #364c3e; margin-bottom: 15px; }
.slide-link { display: block; position: relative; aspect-ratio: 1.8; overflow: hidden; border-radius: 6px; background: #e5ece7; }
.slide-link > img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .4s ease; }
.slide-link:hover > img { transform: scale(1.025); }
.slide-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 52px 24px 22px; color: #fff; background: linear-gradient(transparent, rgba(12,25,17,.88)); }
.slide-caption > span { display: inline-block; margin-bottom: 7px; font-size: 11px; color: #f5e6b2; }
.slide-caption h3 { margin: 0; font-size: 18px; font-weight: 550; line-height: 1.7; overflow-wrap: anywhere; }
.image-link-icon { position: absolute; top: 15px; right: 15px; width: 30px; height: 30px; border: 1px solid #ffffff75; color: #fff; display: grid; place-items: center; background: #122b1d40; border-radius: 50%; }
.carousel-controls { display: flex; align-items: center; height: 61px; gap: 24px; border-bottom: 1px solid var(--line); }
.slide-number { display: flex; gap: 10px; font-variant-numeric: tabular-nums; align-items: baseline; font-size: 12px; }
.slide-number b { font-size: 25px; font-weight: 550; color: var(--green); }
.slide-number > span { color: #77837b; }
.slide-dots { display: flex; gap: 3px; }
.slide-dots button { appearance: none; position: relative; border: 0; background: transparent; width: 25px; height: 40px; padding: 0; }
.slide-dots button::after { content: ""; position: absolute; top: 18px; left: 3px; width: 19px; height: 3px; background: #d9e1dc; }
.slide-dots button[aria-pressed=true]::after { background: var(--green); }
.slide-arrows { margin-left: auto; display: flex; gap: 7px; }
.icon-button { display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; width: 36px; height: 36px; color: #55645c; padding: 0; }
.icon-button svg { width: 17px; height: 17px; }
.icon-button:hover { color: var(--green); border-color: #9bc4a8; background: var(--green-soft); }
.association-section { padding-block: 50px 56px; border-top: 1px solid var(--line); }
.community-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; align-items: start; }
.volunteer-association, .river-team { min-width: 0; }
.association-layout, .river-team-layout { display: flex; flex-direction: column; gap: 24px; }
.association-figure, .river-team-figure { margin: 0; min-width: 0; }
.association-figure > a, .river-team-figure > a { display: block; aspect-ratio: 3 / 2; border-radius: 6px; overflow: hidden; }
.association-figure img, .river-team-figure img { width: 100%; height: 100%; object-fit: cover; }
.association-figure figcaption, .river-team-figure figcaption { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; min-height: 21px; font-size: 11px; line-height: 21px; color: var(--muted); }
.source-link { display: inline-flex; align-items: center; gap: 7px; color: var(--green); font-size: 12px; }
.source-link svg { width: 15px; height: 15px; }
.source-link:hover { color: var(--green-dark); text-decoration: underline; text-underline-offset: 4px; }
.association-copy, .river-team-copy { min-width: 0; }
.association-copy > p, .river-team-copy > p { margin: 0 0 14px; font-size: 14px; line-height: 2; color: #626e66; }
.archive-section { background: var(--paper); padding: 54px 0 64px; border-top: 1px solid var(--line); min-height: 760px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 29px; }
.archive-title-line { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px 18px; }
.section-heading h2 { font-size: 32px; font-weight: 650; line-height: 1.3; margin: 0; }
.archive-range { font-size: 14px; font-variant-numeric: tabular-nums; color: var(--muted); white-space: nowrap; }
.archive-tagline { font-size: 13px; color: var(--muted); margin: 0 0 3px; }
.archive-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 22px; padding-bottom: 23px; margin-bottom: 29px; border-bottom: 1px solid var(--line); }
.periods { display: flex; gap: 3px; flex-wrap: wrap; background: #e8ece9; padding: 4px; border-radius: 6px; }
.periods button { border: 0; background: transparent; color: #606d63; padding: 8px 14px; border-radius: 4px; font-size: 12px; white-space: nowrap; }
.periods button:hover { color: var(--green-dark); background: #f7faf8; }
.periods button.selected { background: #fff; color: var(--green); font-weight: 600; box-shadow: 0 1px 4px #193e2710; }
.search-field { display: flex; align-items: center; gap: 11px; width: 250px; flex: none; border: 1px solid #dbe2dd; background: #fff; padding: 9px 13px; border-radius: 5px; color: #829087; }
.search-field input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
.search-field:focus-within { border-color: var(--green); outline: 2px solid #16704420; }
.search-field input::placeholder { color: #89928e; }
.search-field svg { width: 17px; height: 17px; }
.archive-layout { display: grid; grid-template-columns: 152px minmax(0,1fr); gap: 34px; align-items: start; }
.year-sidebar { border-right: 1px solid var(--line); }
.sidebar-heading { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 600; color: #627367; margin-bottom: 16px; }
.sidebar-heading svg { width: 16px; height: 16px; }
.year-list { display: flex; flex-direction: column; gap: 3px; padding-right: 20px; }
.year-list button { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 38px; border: 0; border-radius: 4px; background: transparent; color: #58675d; padding: 8px 11px; text-align: left; font-size: 13px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.year-list button span { font-size: 10px; color: #879188; }
.year-list button.selected { background: var(--green); color: #fff; font-weight: 550; }
.year-list button.selected span { color: #d6e7db; }
.year-list button:hover:not(.selected) { color: var(--green); background: #e9f0eb; }
.news-content { min-width: 0; }
.results-header { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; margin-bottom: 22px; min-height: 27px; }
.results-header h3 { font-size: 17px; font-weight: 550; margin: 0; scroll-margin-top: 24px; }
.results-header > span { font-size: 12px; color: var(--muted); flex: none; }
.news-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px 22px; }
.news-item { display: flex; min-width: 0; flex-direction: column; background: #fff; border: 1px solid #dfe5e1; border-radius: 6px; overflow: hidden; transition: border-color .18s ease, box-shadow .18s ease; }
.news-item:hover, .news-item:focus-within { border-color: #b8cbbd; box-shadow: 0 8px 24px #193e270a; }
.news-picture { display: block; aspect-ratio: 1.68; background: #e6ece8; overflow: hidden; }
.news-picture img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.news-item:hover img { transform: scale(1.035); }
.image-placeholder { display: grid; place-content: center; text-align: center; width: 100%; height: 100%; color: #6b7d6e; font-size: 12px; background: #e5ede7; }
.image-placeholder b { font: 400 37px/1.4 Arial, sans-serif; color: #7e9885; }
.news-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px 8px; font-size: 10px; font-variant-numeric: tabular-nums; color: #788279; margin: 16px 17px 8px; }
.news-meta .edition { color: var(--green); }
.news-item h4 { margin: 0 17px 21px; font-size: 15px; font-weight: 550; line-height: 1.85; overflow-wrap: anywhere; }
.news-item h4 a:hover { color: var(--green); }
.news-more { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: auto 17px 0; padding: 11px 0; border-top: 1px solid #edf0ed; color: #78827a; font-size: 10px; }
.news-more svg { width: 24px; height: 24px; padding: 4px; background: #f0f4f1; border-radius: 50%; color: #637a68; }
.news-more:hover { color: var(--green); }
.pagination { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 7px; margin-top: 36px; }
.pagination button { display: grid; place-items: center; border: 1px solid #dce4df; border-radius: 4px; background: #fff; min-width: 36px; height: 36px; padding: 0 9px; color: #5e6c61; font-size: 12px; }
.pagination button:hover:not(:disabled) { border-color: #9cc4a9; color: var(--green); }
.pagination button[aria-current=page] { background: var(--green); color: #fff; border-color: var(--green); }
.pagination button[aria-current=page]:hover { color: #fff; }
.pagination button:disabled { opacity: .4; cursor: default; }
.page-status { font-size: 11px; color: var(--muted); margin-left: 10px; }
.empty-state { padding: 65px 20px; text-align: center; border-block: 1px solid var(--line); color: var(--muted); }
.empty-state > svg { width: 35px; height: 35px; color: #92a298; }
.empty-state h3 { font-size: 19px; font-weight: 500; color: var(--ink); }
.empty-state p { font-size: 13px; }
.reset-button { border: 1px solid #bfd4c5; border-radius: 4px; background: #fff; color: var(--green); padding: 9px 22px; font-size: 13px; }
.reset-button:hover { background: var(--green-soft); }
.closing-band { background: #ecf1ed; border-top: 1px solid #dfe6e1; }
.closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 34px; }
.closing-label { font-size: 11px; color: var(--green); }
.closing-inner p { margin: 6px 0 0; font-size: 24px; font-weight: 500; color: #2e4435; }
.closing-inner a { display: grid; place-items: center; height: 42px; width: 42px; flex: none; border: 1px solid #bbccbe; border-radius: 50%; color: var(--green); }
.closing-inner a:hover { background: #fff; }
.official-footer { padding-top: 20px; background: #f2f2f2; color: #595757; }
.official-footer a:hover { color: #f60; }
.official-footer-top { display: flex; justify-content: space-between; gap: 20px; padding-block: 20px; border-bottom: 1px solid #e2e2e2; font-size: 14px; line-height: 24px; }
.official-footer-nav { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)) minmax(0, 2fr) minmax(260px, 4fr); gap: 18px; padding-block: 48px 34px; border-bottom: 1px solid #e2e2e2; }
.official-footer-group, .official-footer-accounts { min-width: 0; }
.official-footer-group > summary, .official-footer-accounts h3 { margin: 0 0 18px; font-size: 15px; font-weight: 600; line-height: 25px; color: #252b29; }
.official-footer-group > summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; cursor: default; }
.official-footer-group > summary::-webkit-details-marker { display: none; }
.official-footer-group > summary svg { display: none; width: 16px; height: 16px; }
.official-footer-group ul { margin: 0; padding: 0; list-style: none; }
.official-footer-group li { margin-bottom: 6px; font-size: 13px; line-height: 1.5; }
.official-footer-accounts img { width: 100%; height: auto; }
.official-footer-services { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px 30px; padding-block: 34px 38px; }
.official-footer-shops { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 13px; }
.official-footer-services p { margin: 0; font-size: 16px; line-height: 1.75; }
.official-footer-services p a { font-variant-numeric: tabular-nums; white-space: nowrap; }
.official-footer-copyright { padding-block: 15px; background: #e6e6e6; color: #666; }
.official-footer-legal { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px 24px; font-size: 12px; line-height: 20px; }
.official-footer-legal nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; padding-left: 24px; border-left: 1px solid #c2c3c3; }
.official-footer-legal nav a + a { padding-left: 16px; border-left: 1px solid #aaa; }
@media (max-width: 1100px) {
  .container { width: calc(100% - 56px); }
  .site-name { display: none; }
  .intro-section { gap: 36px; }
  .community-columns { gap: 36px; }
  .official-footer-nav { gap: 12px; }
  .intro-copy h2 { font-size: 26px; }
  .slide-caption { padding-inline: 20px; }
  .slide-caption h3 { font-size: 16px; }
  .carousel-controls { gap: 16px; }
  .archive-layout { grid-template-columns: 126px minmax(0,1fr); gap: 25px; }
  .year-list { padding-right: 13px; }
  .periods button { padding-inline: 10px; }
  .search-field { width: 214px; }
  .news-list { gap: 22px 16px; }
  .news-item h4 { font-size: 14px; margin-inline: 13px; }
  .news-meta, .news-more { margin-inline: 13px; }
}
@media (max-width: 991px) {
  .official-footer-nav { grid-template-columns: 1fr; gap: 0; padding-block: 18px 28px; }
  .official-footer-group { border-bottom: 1px solid #d4d4d4; }
  .official-footer-group > summary { margin: 0; padding-block: 14px; cursor: pointer; }
  .official-footer-group > summary svg { display: block; }
  .official-footer-group[open] > summary svg { transform: rotate(180deg); }
  .official-footer-group ul { padding-bottom: 12px; }
  .official-footer-group li { margin: 0; }
  .official-footer-group li a { display: block; padding-block: 9px; }
  .official-footer-accounts { padding-top: 26px; }
  .official-footer-accounts h3 { margin-bottom: 14px; }
  .official-footer-accounts img { max-width: 440px; }
  .official-footer-services { padding-block: 24px 28px; }
  .official-footer-legal { flex-direction: column; gap: 8px; text-align: center; }
  .official-footer-legal nav { padding-left: 0; border-left: 0; justify-content: center; }
}
@media (max-width: 800px) {
  .container { width: calc(100% - 40px); }
  .site-header { height: auto; }
  .header-inner { min-height: 75px; flex-wrap: wrap; gap: 0; padding-top: 14px; }
  .brand img { width: 150px; }
  .site-name { display: block; font-size: 12px; margin-left: auto; padding-left: 15px; }
  .site-header nav { width: 100%; justify-content: space-between; height: auto; min-height: 48px; gap: 0 16px; flex-wrap: wrap; }
  .site-header nav a { font-size: 12px; min-height: 42px; }
  .site-header nav a::after { bottom: 4px; height: 2px; }
  .banner-caption-inner { min-height: 55px; }
  .banner-caption p { gap: 12px; font-size: 11px; }
  .banner-caption strong { font-size: 15px; }
  .banner-caption a { font-size: 10px; gap: 8px; }
  .intro-section { padding-block: 36px; gap: 28px; grid-template-columns: 1fr; }
  .slide-link { aspect-ratio: 1.8; }
  .slide-caption h3 { font-size: 18px; }
  .association-section { padding-block: 36px; }
  .community-columns { grid-template-columns: 1fr; gap: 32px; }
  .river-team { padding-top: 32px; border-top: 1px solid var(--line); }
  .archive-section { padding-block: 38px 44px; min-height: 700px; }
  .section-heading { margin-bottom: 24px; }
  .section-heading h2 { font-size: 28px; }
  .archive-tagline { display: none; }
  .archive-toolbar { flex-direction: column; align-items: stretch; gap: 17px; margin-bottom: 23px; padding-bottom: 22px; }
  .periods { justify-content: flex-start; gap: 4px; }
  .periods button { flex: 1 0 auto; padding: 9px 11px; }
  .search-field { width: 100%; }
  .archive-layout { display: block; }
  .year-sidebar { border-right: 0; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
  .sidebar-heading { display: none; }
  .year-list { flex-direction: row; flex-wrap: wrap; gap: 7px; padding: 0 0 19px; }
  .year-list button { width: auto; min-width: 63px; min-height: 37px; padding-inline: 12px; justify-content: center; flex: none; font-size: 12px; }
  .year-list button span { display: none; }
  .news-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 16px; }
}
@media (max-width: 500px) {
  .container { width: calc(100% - 32px); }
  .site-header nav { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0 10px; }
  .banner-caption-inner { flex-wrap: wrap; gap: 2px; padding-block: 9px; }
  .banner-caption p { flex: 1 0 100%; }
  .banner-caption a { gap: 4px; }
  .banner-caption a svg { width: 13px; height: 13px; }
  .section-kicker { font-size: 10px; }
  .intro-copy h2 { font-size: 24px; }
  .intro-copy > p:not(.section-kicker) { font-size: 13px; }
  .intro-copy > p.intro-lead { font-size: 16px; }
  .association-copy > p, .river-team-copy > p { font-size: 13px; }
  .slide-caption { padding: 38px 17px 15px; }
  .slide-caption h3 { font-size: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .slide-caption > span { margin-bottom: 4px; font-size: 10px; }
  .carousel-controls { gap: 12px; }
  .slide-dots button { width: 21px; }
  .slide-dots button::after { width: 15px; }
  .periods button { padding: 8px 7px; font-size: 11px; }
  .section-heading h2 { font-size: 26px; }
  .archive-range { font-size: 12px; }
  .year-list { gap: 6px; }
  .year-list button { min-width: 56px; padding-inline: 10px; }
  .results-header h3 { font-size: 15px; }
  .results-header > span { font-size: 11px; }
  .news-list { grid-template-columns: 1fr; gap: 20px; }
  .news-picture { aspect-ratio: 1.85; }
  .news-item h4 { font-size: 15px; margin-inline: 17px; }
  .news-meta, .news-more { margin-inline: 17px; font-size: 11px; }
  .pagination { gap: 5px; }
  .pagination button { min-width: 32px; height: 34px; padding-inline: 7px; }
  .closing-inner p { font-size: 20px; }
  .official-footer-services { align-items: flex-start; flex-direction: column; gap: 14px; }
  .official-footer-services p { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .news-item:hover img, .slide-link:hover > img { transform: none; }
}