:root {font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;}

html[data-theme=dark] {color-scheme: dark;}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  color: var(--act-text);
  background:
    radial-gradient(circle at 82% -10%, color-mix(in srgb, var(--act-green) 15%, transparent), transparent 34rem),
    radial-gradient(circle at 12% 40%, color-mix(in srgb, var(--act-gold) 6%, transparent), transparent 28rem),
    var(--act-bg);
  font-size: 14px;
}

.activity-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(22px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid var(--act-line);
  background: color-mix(in srgb, var(--act-panel) 91%, transparent);
  backdrop-filter: blur(16px);
}

.activity-brand { display: flex; align-items: center; gap: 9px; color: var(--act-text); font-weight: 850; text-decoration: none; }
.activity-brand img { width: 38px; height: 30px; object-fit: contain; }
.activity-topbar nav { display: flex; align-items: center; gap: 6px; }
.activity-topbar nav a, .activity-topbar nav button { padding: 8px 11px; border: 0; border-radius: 8px; color: var(--act-muted); background: transparent; text-decoration: none; cursor: pointer; }
.activity-topbar nav a:hover, .activity-topbar nav button:hover { color: var(--act-green); background: var(--act-soft); }

.activity-hero {
  max-width: 1440px;
  margin: 0 auto;
  padding: 30px 22px 22px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}

.activity-hero small, .activity-panel header small, .works-heading small, .podium-section header small, .gallery-heading small { color: var(--act-green); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.activity-hero h1 { margin: 4px 0 7px; font-size: clamp(30px, 3.5vw, 46px); line-height: 1.08; letter-spacing: -1.7px; }
.activity-hero p { max-width: 700px; margin: 0; color: var(--act-muted); font-size: 14px; }
.activity-hero p.hero-formula { color: var(--act-text); font-size: 15px; line-height: 1.65; }
.activity-hero p.hero-formula b { color: var(--act-gold); font-size: 20px; font-weight: 900; }
.activity-metrics { flex: none; display: flex; overflow: hidden; border: 1px solid var(--act-line); border-radius: 12px; background: var(--act-panel); box-shadow: var(--act-shadow); }
.activity-metrics span { min-width: 100px; padding: 11px 14px; color: var(--act-muted); font-size: 10px; border-left: 1px solid var(--act-line); }
.activity-metrics span:first-child { border: 0; }
.activity-metrics b { display: block; margin-bottom: 1px; color: var(--act-gold); font-size: 21px; }

/* 登录后置顶的收益条：已到账多少、还能再拿多少、什么时候发。 */
.earnings-wrap { max-width: 1440px; margin: 0 auto; padding: 0 22px 18px; }
.earnings-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 34px;
  padding: 14px 20px;
  border: 1px solid color-mix(in srgb, var(--act-green) 34%, var(--act-line));
  border-radius: 14px;
  background: linear-gradient(100deg, var(--act-soft), var(--act-panel) 62%);
  box-shadow: var(--act-shadow);
}
.earn-item { display: flex; align-items: baseline; gap: 6px; }
.earn-item small { color: var(--act-muted); font-size: 11px; }
.earn-item b { color: var(--act-gold); font-size: 26px; line-height: 1; letter-spacing: -.5px; }
.earn-item span { color: var(--act-muted); font-size: 11px; }
.earn-note { flex: 1; min-width: 180px; margin: 0; text-align: right; color: var(--act-muted); font-size: 11px; }

.activity-layout {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 22px 60px;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.activity-left {
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 90px);
  display: grid;
  gap: 12px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--act-green) 28%, transparent) transparent;
}

.activity-left::-webkit-scrollbar { width: 5px; }
.activity-left::-webkit-scrollbar-thumb { border-radius: 9px; background: color-mix(in srgb, var(--act-green) 28%, transparent); }

.activity-panel { overflow: hidden; border: 1px solid var(--act-line); border-radius: 14px; background: var(--act-panel); box-shadow: var(--act-shadow); }
.activity-panel > header { padding: 13px 15px 10px; border-bottom: 1px solid var(--act-line); }
.activity-panel h2, .works-heading h2 { margin: 2px 0 0; font-size: 17px; }
.rules-panel ol { list-style: none; margin: 0; padding: 6px 15px; }
.rules-panel li { display: grid; grid-template-columns: 88px 1fr; gap: 6px; padding: 8px 0; border-bottom: 1px solid var(--act-line); }
.rules-panel li:last-child { border: 0; }
.rules-panel li b { color: var(--act-green); font-size: 11px; }
.rules-panel li span { color: var(--act-muted); font-size: 11px; line-height: 1.5; }
.rules-note { padding: 10px 15px 12px; background: var(--act-soft); color: var(--act-muted); font-size: 11px; line-height: 1.5; }
.activity-panel button, .video-url-row button { border: 1px solid var(--act-line); border-radius: 8px; background: var(--act-panel); color: var(--act-text); padding: 7px 10px; cursor: pointer; }
.activity-panel button:hover { border-color: var(--act-green); color: var(--act-green); }

#videoForm { padding: 14px 15px; }
#videoForm label { display: block; margin-bottom: 6px; font-size: 11px; font-weight: 700; }
.video-url-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; }
.video-url-row input { min-width: 0; padding: 9px 10px; border: 1px solid var(--act-line); border-radius: 9px; outline: 0; color: var(--act-text); background: var(--act-bg); }
.video-url-row input:focus { border-color: var(--act-green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--act-green) 15%, transparent); }
.video-url-row button { color: var(--on-accent); background: var(--act-green); border-color: var(--act-green); font-weight: 700; }
#videoForm > small { display: block; margin-top: 7px; color: var(--act-muted); font-size: 9px; }
#loginGate { padding: 14px 15px; }
#loginGate > p { margin: 0 0 8px; color: var(--act-muted); }
#loginGate .wechat-qr-shell { grid-template-columns: 120px minmax(0, 1fr); gap: 12px; padding: 10px; }
#loginGate .wechat-qr-stage { width: 120px; height: 120px; }
#loginGate .wechat-qr-image { width: 104px; height: 104px; }
#loginGate .wechat-login-copy > b { font-size: 14px; }
.video-preview { margin: 0 14px 14px; overflow: hidden; border: 1px solid var(--act-line); border-radius: 11px; }
.video-preview > img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.video-preview-body { padding: 11px; }
.video-preview-body h3 { margin: 0 0 4px; font-size: 14px; }
.video-meta { display: flex; gap: 8px; flex-wrap: wrap; color: var(--act-muted); font-size: 9px; }
.video-preview-warning { margin: 9px 0 0; padding: 7px 9px; color: var(--act-gold); background: color-mix(in srgb, var(--act-gold) 10%, var(--act-panel)); font-size: 10px; }
.video-preview-reward { margin: 9px 0 0; padding: 7px 9px; border-radius: 7px; color: var(--act-text); background: var(--act-soft); font-size: 10px; line-height: 1.6; }
.video-preview-reward b { color: var(--act-gold); font-size: 13px; }
.confirm-row { display: grid; gap: 7px; margin-top: 11px; }
.confirm-row label { display: flex; gap: 7px; color: var(--act-muted); font-size: 10px; }
.confirm-row button { color: var(--on-accent); background: var(--act-green); border-color: var(--act-green); font-weight: 750; }
.submission-list { border-top: 1px solid var(--act-line); }
.submission-item { padding: 11px 14px; border-bottom: 1px solid var(--act-line); }
.submission-item:last-child { border: 0; }
.submission-item > div { display: flex; align-items: center; gap: 7px; }
.submission-item b { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.submission-item small { display: block; margin-top: 4px; color: var(--act-muted); font-size: 9px; }
.submission-status { flex: none; padding: 3px 6px; border-radius: 5px; color: var(--act-green); background: var(--act-soft); font-size: 9px; }
.submission-item.failed .submission-status { color: var(--act-bad); }
.share-panel { padding-bottom: 11px; }
.invite-summary { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 8px; margin: 11px 13px; padding: 9px; border: 1px solid var(--act-line); border-radius: 9px; background: var(--act-soft); }
.invite-summary span { font-size: 10px; }
.invite-summary b { color: var(--act-green); font-family: ui-monospace, monospace; }
.copy-template { width: calc(100% - 26px); display: flex; align-items: center; justify-content: space-between; margin: 7px 13px !important; text-align: left; }
.copy-template small { color: var(--act-muted); }

.activity-right { min-width: 0; }
.works-heading, .gallery-heading { display: flex; align-items: flex-end; justify-content: space-between; padding: 2px 2px 12px; }
.works-heading span, .gallery-heading span { color: var(--act-muted); font-size: 10px; }
.gallery-heading { margin-top: 18px; }
.gallery-heading h3, .podium-section h3 { margin: 2px 0 0; font-size: 17px; }

.podium-section {
  position: relative;
  overflow: hidden;
  padding: 16px 18px 0;
  border: 1px solid var(--act-line);
  border-radius: 18px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--act-gold) 9%, var(--act-panel)), var(--act-panel) 42%),
    var(--act-panel);
  box-shadow: var(--act-shadow);
}

.podium-section::after {
  content: "";
  position: absolute;
  right: -65px;
  top: -85px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--act-gold) 8%, transparent);
  pointer-events: none;
}

.podium-section > header { position: relative; z-index: 2; display: flex; align-items: flex-end; justify-content: space-between; padding: 0 2px 14px; }
.podium-section > header span { color: var(--act-muted); font-size: 10px; }
.featured-podium { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; gap: 10px; padding-top: 23px; }

.podium-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--act-line);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  color: var(--act-text);
  background: color-mix(in srgb, var(--act-panel) 96%, var(--act-soft));
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(29, 42, 24, .10);
  transition: transform .2s ease, box-shadow .2s ease;
}

.podium-card:hover { transform: translateY(-4px); box-shadow: 0 18px 38px rgba(29, 42, 24, .16); }
.podium-card.rank-1 { z-index: 3; border-color: color-mix(in srgb, #d8a51e 60%, var(--act-line)); }
.podium-card.rank-2 { border-color: color-mix(in srgb, #9aa6ad 55%, var(--act-line)); }
.podium-card.rank-3 { border-color: color-mix(in srgb, #b87548 55%, var(--act-line)); }
.podium-rank { position: absolute; top: 8px; left: 8px; z-index: 3; display: flex; align-items: center; gap: 5px; padding: 4px 7px 4px 5px; border: 1px solid rgba(255,255,255,.36); border-radius: 99px; color: #fff; background: rgba(20, 24, 18, .72); box-shadow: 0 4px 16px rgba(0,0,0,.18); backdrop-filter: blur(8px); }
.podium-rank i { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: #382800; background: #e6b928; font-size: 11px; font-style: normal; font-weight: 900; }
.rank-2 .podium-rank i { color: #263036; background: #c5cdd1; }
.rank-3 .podium-rank i { color: #402415; background: #ca895b; }
.podium-rank span { font-size: 9px; font-weight: 800; }
.podium-cover { position: relative; overflow: hidden; background: var(--act-soft); }
.podium-cover img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s ease; }
.podium-card:hover .podium-cover img { transform: scale(1.035); }
.podium-cover::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(10, 13, 9, .55)); pointer-events: none; }
.podium-body { padding: 10px 11px 11px; }
.podium-body > small { color: var(--act-muted); font-size: 9px; }
.podium-body h3 { min-height: 34px; margin: 3px 0 8px; display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: 13px; line-height: 1.35; }
.podium-body > div { display: flex; align-items: flex-end; justify-content: space-between; gap: 6px; padding-top: 8px; border-top: 1px solid var(--act-line); }
.podium-body > div span { color: var(--act-muted); font-size: 9px; }
.podium-body > div b { color: var(--act-gold); font-size: clamp(13px, 1.4vw, 18px); white-space: nowrap; }
.podium-step { height: 52px; display: grid; place-items: center; border-top: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.82); background: linear-gradient(150deg, #8c969c, #68747b); }
.rank-1 .podium-step { height: 76px; background: linear-gradient(150deg, #d7aa28, #a97b13); }
.rank-3 .podium-step { height: 39px; background: linear-gradient(150deg, #b9784b, #8d5332); }
.podium-step strong { font-family: Georgia, serif; font-size: 28px; line-height: 1; text-shadow: 0 2px 8px rgba(0,0,0,.16); }
.rank-1 .podium-step strong { font-size: 40px; }

.featured-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.work-card { min-width: 0; overflow: hidden; border: 1px solid var(--act-line); border-radius: 12px; color: var(--act-text); background: var(--act-panel); box-shadow: 0 8px 24px rgba(31,53,25,.06); text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.work-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--act-green) 45%, var(--act-line)); box-shadow: var(--act-shadow); }
.work-cover { position: relative; overflow: hidden; background: var(--act-soft); }
.work-cover img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .3s ease; }
.work-card:hover .work-cover img { transform: scale(1.035); }
.work-rank { position: absolute; bottom: 7px; left: 7px; z-index: 2; padding: 3px 6px; border-radius: 5px; color: #fff; background: rgba(10,13,9,.66); font-size: 9px; font-weight: 800; backdrop-filter: blur(6px); }
.work-card-body { padding: 9px 10px 10px; }
.work-card h3 { margin: 0 0 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.work-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--act-muted); font-size: 9px; }
.work-card-meta span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.work-card-meta b { flex: none; color: var(--act-gold); font-size: 11px; }
.works-empty { grid-column: 1 / -1; min-height: 280px; display: grid; place-content: center; text-align: center; border: 2px dashed var(--act-line); border-radius: 14px; color: var(--act-muted); background: color-mix(in srgb, var(--act-panel) 65%, transparent); }
.compact-empty { min-height: 120px; }
.activity-toast { position: fixed; left: 50%; bottom: 24px; z-index: 50; transform: translateX(-50%); padding: 10px 16px; border: 2px solid var(--act-green); border-radius: 9px; color: #fff; background: #243423; box-shadow: var(--act-shadow); }

@media (max-width: 1180px) {
  .activity-layout { grid-template-columns: 320px minmax(0, 1fr); }
  .featured-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .podium-body h3 { font-size: 12px; }
  .podium-body > div { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 930px) {
  .activity-hero { align-items: flex-start; flex-direction: column; }
  .activity-layout { grid-template-columns: minmax(0, 1fr); }
  .activity-left { min-width: 0; position: static; max-height: none; grid-template-columns: 1fr 1fr; overflow: visible; }
  .submit-panel, .share-panel { grid-column: 2; }
  .rules-panel { grid-row: 1 / 3; }
  .podium-body > div { align-items: flex-end; flex-direction: row; }
}

@media (max-width: 680px) {
  .activity-topbar { padding-inline: 12px; }
  .activity-topbar nav a:first-child { display: none; }
  .activity-hero { padding: 24px 14px 18px; }
  .activity-hero h1 { font-size: 31px; }
  .activity-metrics { width: 100%; }
  .activity-metrics span { min-width: 0; flex: 1; padding: 9px 6px; font-size: 9px; }
  .activity-metrics b { font-size: 16px; }
  .earnings-wrap { padding-inline: 12px; }
  .earnings-bar { gap: 10px 20px; padding: 12px 14px; }
  .earn-item b { font-size: 21px; }
  .earn-note { min-width: 100%; text-align: left; }
  .activity-layout { padding-inline: 12px; gap: 18px; }
  .activity-right { order: -1; }
  .activity-left { grid-template-columns: 1fr; }
  .activity-panel, #loginGate { min-width: 0; }
  .rules-panel, .submit-panel, .share-panel { grid-column: auto; grid-row: auto; }
  .works-heading { align-items: flex-start; }
  .works-heading > span { display: none; }
  .podium-section { padding: 14px 9px 0; border-radius: 15px; }
  .podium-section > header { padding-inline: 4px; }
  .featured-podium { gap: 5px; padding-top: 10px; }
  .featured-podium { width: 100%; grid-template-columns: repeat(3, calc((100% - 10px) / 3)); }
  .podium-rank { top: 5px; left: 5px; padding: 2px; }
  .podium-rank i { width: 18px; height: 18px; font-size: 9px; }
  .podium-rank span { display: none; }
  .podium-body { padding: 7px; }
  .podium-body > small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 8px; }
  .podium-body h3 { min-height: 30px; margin: 2px 0 6px; font-size: 10px; }
  .podium-body > div { align-items: flex-start; flex-direction: column; gap: 2px; padding-top: 6px; }
  .podium-body > div span { font-size: 7px; }
  .podium-body > div b { max-width: 100%; overflow: hidden; text-overflow: ellipsis; font-size: 9px; }
  .podium-step { height: 35px; }
  .rank-1 .podium-step { height: 52px; }
  .rank-3 .podium-step { height: 27px; }
  .podium-step strong { font-size: 19px; }
  .rank-1 .podium-step strong { font-size: 27px; }
  .gallery-heading { margin-top: 15px; }
  .featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .work-card-body { padding: 7px; }
  .work-card h3 { font-size: 10px; }
  .work-card-meta { align-items: flex-start; flex-direction: column; gap: 3px; }
  .work-card-meta b { font-size: 9px; }
}

@media (max-width: 400px) {
  .featured-grid { grid-template-columns: 1fr; }
}