/* ARTDI public design system. One neutral scale, one configurable accent, one radius scale. */
:root {
  color-scheme: light;
  --a-bg: #f7f8fa;
  --a-surface: #ffffff;
  --a-surface-2: #f0f2f5;
  --a-surface-3: #e8ebef;
  --a-ink: #151922;
  --a-text: #353c48;
  --a-muted: #626d7c;
  --a-faint: #7b8593;
  --a-line: #e0e4e9;
  --a-line-strong: #cbd1d9;
  --a-accent: #eedd6d;
  --a-accent-hover: #cfc15c;
  --a-accent-soft: #eedd6d18;
  --a-on-accent: #11151b;
  --a-danger: #b4232f;
  --a-success: #147554;
  --a-warning: #925d08;
  --a-shadow: 0 24px 70px rgb(30 42 58 / 9%);
  --a-shadow-small: 0 10px 28px rgb(30 42 58 / 8%);
  --a-radius: 14px;
  --a-radius-sm: 8px;
  --a-radius-md: 12px;
  --a-control-radius: 9px;
  --a-max: 1180px;
  --a-page-gutter: 24px;
  --a-space-1: 4px;
  --a-space-2: 8px;
  --a-space-3: 12px;
  --a-space-4: 16px;
  --a-space-5: 20px;
  --a-space-6: 24px;
  --a-space-7: 32px;
  --a-space-8: 40px;
  --a-header-height: 72px;
  --a-bottom-nav-height: 84px;
  --a-ease: cubic-bezier(.2, .8, .2, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --a-bg: #111419;
  --a-surface: #181c22;
  --a-surface-2: #20252c;
  --a-surface-3: #292f38;
  --a-ink: #f2f4f7;
  --a-text: #cbd1d9;
  --a-muted: #a1aab6;
  --a-faint: #848e9b;
  --a-line: #2b313a;
  --a-line-strong: #3b424d;
  --a-shadow: 0 24px 70px rgb(0 0 0 / 28%);
  --a-shadow-small: 0 12px 30px rgb(0 0 0 / 23%);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--a-header-height) + 16px);
  scrollbar-gutter: stable;
}
body.artdi-public {
  min-height: 100dvh;
  margin: 0;
  overflow-x: clip;
  background: var(--a-bg);
  color: var(--a-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.artdi-public.modal-open { overflow: hidden; }
.artdi-public [hidden] { display: none; }
.artdi-public .hidden,
.artdi-public [hidden] { display: none !important; }
.artdi-public img { display: block; max-width: 100%; }
.artdi-public a { color: inherit; text-decoration: none; }
.artdi-public button,
.artdi-public input,
.artdi-public textarea,
.artdi-public select { font: inherit; }
.artdi-public button,
.artdi-public a { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.artdi-public .scroll-state-marker { position: absolute; left: 0; width: 1px; height: 1px; pointer-events: none; opacity: 0; }
.artdi-public button { cursor: pointer; }
.artdi-public :focus-visible {
  outline: 3px solid color-mix(in srgb, var(--a-accent) 46%, transparent);
  outline-offset: 3px;
}
.artdi-public ::selection { background: var(--a-accent-soft); color: var(--a-ink); }

/* Shared navigation */
.artdi-public .navbar,
.artdi-public > .header,
.artdi-public .site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--a-header-height);
  border: 0;
  border-bottom: 1px solid var(--a-line);
  background: color-mix(in srgb, var(--a-bg) 91%, transparent);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(130%);
}
.artdi-public .nav-inner {
  display: grid;
  width: min(calc(100% - (var(--a-page-gutter) * 2)), var(--a-max));
  min-height: var(--a-header-height);
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  column-gap: 24px;
  margin: 0 auto;
  padding: 0;
}
.artdi-public .navbar-container {
  display: flex;
  width: min(calc(100% - (var(--a-page-gutter) * 2)), var(--a-max));
  min-height: var(--a-header-height);
  align-items: center;
  gap: 12px;
  margin: 0 auto;
  padding: 0;
}
.artdi-public .nav-logo-wrap {
  display: flex;
  min-height: 44px;
  min-width: 0;
  max-width: 100%;
  align-items: center;
  justify-self: start;
  gap: 11px;
}
.artdi-public .nav-logo-icon,
.artdi-public .logo-icon,
.artdi-public .brand-icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border: 0;
  border-radius: 10px;
  background: var(--a-ink);
  color: var(--a-bg);
  box-shadow: none;
  font-size: 16px;
}
.artdi-public .nav-logo-text { min-width: 0; }
.artdi-public .nav-logo-text h1,
.artdi-public .logo,
.artdi-public .site-logo,
.artdi-public .brand {
  max-width: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--a-ink);
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -.02em;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
  -webkit-text-fill-color: currentColor;
  background: none;
}
.artdi-public .nav-logo-text p { display: none; }
.artdi-public .header-nav,
.artdi-public .nav-menu {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-self: center;
  gap: 2px;
  margin: 0;
}
.artdi-public .header-nav a,
.artdi-public .nav-menu a,
.artdi-public .header-nav .nav-item,
.artdi-public .nav-menu .nav-item,
.artdi-public .header-nav .nav-link,
.artdi-public .nav-menu .nav-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 13px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--a-muted);
  font-size: 14px;
  font-weight: 630;
  white-space: nowrap;
  transition: color .18s ease, background-color .18s ease;
}
.artdi-public .header-nav a:hover,
.artdi-public .header-nav a.active,
.artdi-public .nav-menu a:hover,
.artdi-public .nav-menu a.active { background: var(--a-surface-2); color: var(--a-ink); }
.artdi-public .nav-actions {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-self: end;
  gap: 10px;
}
.artdi-public .nav-user { display: flex; width: auto; align-items: center; flex: 0 0 auto; gap: 8px; margin-left: 0; }
.artdi-public .nav-btn,
.artdi-public .btn-login,
.artdi-public .btn-register,
.artdi-public .header-user {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--a-line-strong);
  border-radius: var(--a-control-radius);
  background: var(--a-surface);
  color: var(--a-ink);
  box-shadow: none;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.artdi-public .btn-register { border-color: var(--a-ink); background: var(--a-ink); color: var(--a-bg); }
.artdi-public .header-avatar,
.artdi-public .user-avatar,
.artdi-public .author-avatar,
.artdi-public .reply-avatar,
.artdi-public .comment-avatar,
.artdi-public .user-avatar-large {
  overflow: hidden;
  background: var(--a-surface-3);
  color: var(--a-accent);
  box-shadow: none;
}
.artdi-public .header-avatar {
  display: grid;
  width: 32px;
  height: 32px;
  aspect-ratio: 1;
  flex: 0 0 32px;
  place-items: center;
  border: 1px solid var(--a-line);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 750;
  line-height: 1;
}
.artdi-public .header-avatar > img,
.artdi-public .header-avatar > .avatar-image {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 32px;
  max-height: 32px;
  border-radius: inherit;
  object-fit: cover;
}
.artdi-public .theme-toggle {
  position: static;
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--a-line);
  border-radius: var(--a-control-radius);
  background: var(--a-surface);
  color: var(--a-ink);
  box-shadow: none;
  transform: none;
}
.artdi-public .theme-toggle:hover { border-color: var(--a-line-strong); background: var(--a-surface-2); transform: none; }
.artdi-public .theme-toggle i { display: block; font-size: 15px; }

/* Homepage */
.artdi-public .main-container,
.artdi-public .community-container,
.artdi-public > .container { width: min(calc(100% - (var(--a-page-gutter) * 2)), var(--a-max)); max-width: var(--a-max); margin-inline: auto; }
.home-page .main-container { padding: 32px 0 96px; }
.home-page .artdi-hero {
  display: grid;
  min-height: 470px;
  grid-template-columns: minmax(360px, .84fr) minmax(510px, 1.16fr);
  overflow: hidden;
  border: 1px solid var(--a-line);
  border-radius: 18px;
  background: var(--a-surface);
}
.home-page .artdi-hero-copy { display: flex; min-width: 0; justify-content: center; flex-direction: column; padding: 48px clamp(34px, 3.2vw, 46px); }
.home-page .discovery-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--a-accent); font-size: 12px; font-weight: 750; letter-spacing: .08em; }
.home-page .discovery-kicker span { width: 26px; height: 2px; background: currentColor; }
.home-page .discovery-title { max-width: 520px; margin: 0; color: var(--a-ink); font-size: clamp(43px, 3.7vw, 52px); font-weight: 760; line-height: 1.1; letter-spacing: -.05em; }
.home-page .discovery-copy { max-width: 520px; margin: 22px 0 0; color: var(--a-muted); font-size: 16px; line-height: 1.75; }
.home-page .hero-facts { display: flex; align-items: stretch; gap: 24px; margin-top: 28px; }
.home-page .hero-fact { display: grid; gap: 1px; padding-left: 13px; border-left: 2px solid var(--a-accent); }
.home-page .hero-fact strong { color: var(--a-ink); font-size: 20px; font-weight: 750; line-height: 1.2; }
.home-page .hero-fact span { color: var(--a-muted); font-size: 11px; line-height: 1.4; }
.home-page .hero-actions { display: flex; align-items: center; gap: 12px; margin-top: 30px; }
.home-page .hero-primary,
.home-page .hero-secondary { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: var(--a-control-radius); font-size: 14px; font-weight: 680; white-space: nowrap; transition: transform .18s var(--a-ease), background-color .18s ease, border-color .18s ease; }
.home-page .hero-primary { border: 1px solid var(--a-accent); background: var(--a-accent); color: var(--a-on-accent); }
.home-page .hero-primary:hover { background: var(--a-accent-hover); transform: translateY(-1px); }
.home-page .hero-secondary { border: 1px solid var(--a-line-strong); background: transparent; color: var(--a-ink); }
.home-page .hero-secondary:hover { border-color: var(--a-ink); transform: translateY(-1px); }
.home-page .artdi-hero-visual { position: relative; min-height: 420px; overflow: hidden; background: var(--a-surface-2); }
.home-page .artdi-hero-visual::after { position: absolute; inset: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--a-surface) 14%, transparent), transparent 42%); content: ""; pointer-events: none; }
.home-page .artdi-hero-visual img { width: 100%; height: 100%; object-fit: cover; }

.home-page .search-workbench { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 24px; align-items: center; margin: 28px 0 24px; padding: 25px 28px; border: 1px solid var(--a-line); border-radius: var(--a-radius); background: var(--a-surface); box-shadow: var(--a-shadow-small); }
.home-page .search-workbench-main { min-width: 0; display: grid; gap: 0; }
.home-page .search-title p { margin: 0 0 4px; color: var(--a-accent); font-size: 12px; font-weight: 700; }
.home-page .search-title h2 { margin: 0; color: var(--a-ink); font-size: 22px; font-weight: 720; letter-spacing: -.025em; }
.home-page .search-box { position: relative; display: flex; min-width: 0; align-items: center; padding: 5px 5px 5px 16px; border: 1px solid var(--a-line-strong); border-radius: 11px; background: var(--a-bg); box-shadow: none; }
.home-page .search-box:focus-within { border-color: var(--a-accent); box-shadow: 0 0 0 4px var(--a-accent-soft); }
.home-page .search-leading { margin-right: 10px; color: var(--a-faint); font-size: 14px; }
.home-page .search-input { min-width: 0; height: 46px; flex: 1; padding: 0 44px 0 0; border: 0; background: transparent; color: var(--a-ink); font-size: 16px; box-shadow: none; outline: 0; }
.home-page .search-input::placeholder { color: var(--a-faint); }
.home-page .clear-search-btn { position: absolute; right: 101px; display: grid; width: 40px; height: 40px; place-items: center; border: 0; background: transparent; color: var(--a-muted); box-shadow: none; }
.home-page .search-btn { position: static; width: auto; height: 46px; min-width: 82px; padding: 0 17px; border: 1px solid var(--a-ink); border-radius: 8px; background: var(--a-ink); color: var(--a-bg); box-shadow: none; font-weight: 680; }
.home-page .quick-categories { display: flex; flex-wrap: wrap; gap: 8px; overflow: visible; padding: 13px 0 0; }
.home-page .quick-categories-wrap { display: grid; gap: 0; }
.home-page .quick-categories-label { margin: 18px 0 0; color: var(--a-muted); font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.home-page .quick-category { min-height: 44px; min-width: 44px; max-width: 100%; flex: 0 1 auto; padding: 9px 13px; border: 1px solid var(--a-line); border-radius: 8px; background: transparent; color: var(--a-muted); font-size: 13px; font-weight: 620; white-space: normal; overflow-wrap: anywhere; }
.home-page .quick-category:hover { border-color: var(--a-accent); background: var(--a-accent-soft); color: var(--a-accent); }
.home-page .notice-board { display: grid; grid-template-columns: max-content minmax(0, 1fr); align-items: start; gap: 18px; margin: 0 0 42px; padding: 14px 18px; border: 1px solid var(--a-line); border-left: 3px solid var(--a-accent); border-radius: 12px; background: var(--a-surface-2); color: var(--a-muted); box-shadow: none; }
.home-page .notice-title { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 9px; margin: 0; padding: 1px 18px 0 0; border-right: 1px solid var(--a-line); color: var(--a-ink); font-size: 13px; font-weight: 720; white-space: nowrap; }
.home-page .notice-dot { display: grid; flex: 0 0 auto; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--a-accent-soft); color: var(--a-accent); font-size: 12px; }
.home-page .notice-list { display: grid; min-width: 0; align-content: start; gap: 4px; margin: 0; padding: 0 4px 0 0; overflow: visible; list-style: none; }
.home-page .notice-list li { min-width: 0; color: var(--a-muted); font-size: 13px; line-height: 1.55; overflow-wrap: anywhere; white-space: normal; }
.home-page .notice-list li + li::before { display: none; }
.home-page .notice-list .resource-date-notice { color: var(--a-ink); font-weight: 680; }

.home-page .section-eyebrow { margin: 0 0 6px; color: var(--a-accent); font-size: 11px; font-weight: 750; letter-spacing: .08em; }

/* Content sections and resource cards */
.artdi-public .resources-section,
.artdi-public .community-section { margin: 0; padding: 0; background: transparent; }
.artdi-public .section-header { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 0 0 24px; padding: 0; }
.artdi-public .section-index { display: none; }
.artdi-public .section-title,
.artdi-public .section-header h2,
.artdi-public .site-title { margin: 0; color: var(--a-ink); font-size: 28px; font-weight: 730; line-height: 1.25; letter-spacing: -.03em; }
.artdi-public .section-title i,
.artdi-public .section-header h2 > i { display: none; }
.artdi-public .section-more { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--a-muted); font-size: 13px; font-weight: 650; }
.artdi-public .section-more:hover { color: var(--a-accent); }
.artdi-public .filter-bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 24px; padding: 10px; border: 1px solid var(--a-line); border-radius: 11px; background: var(--a-surface); box-shadow: none; }
.artdi-public .filter-sort,
.artdi-public .filter-platform { display: flex; align-items: center; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.artdi-public .filter-sort > span { padding-left: 4px; color: var(--a-muted); font-size: 13px; }
.artdi-public .sort-btn,
.artdi-public .platform-filter-btn,
.artdi-public .category-btn,
.artdi-public .filter-btn,
.artdi-public .btn-secondary { min-height: 44px; padding: 8px 12px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--a-muted); box-shadow: none; font-size: 13px; font-weight: 630; white-space: nowrap; }
.artdi-public .sort-btn:hover,
.artdi-public .sort-btn.active,
.artdi-public .platform-filter-btn:hover,
.artdi-public .platform-filter-btn.active,
.artdi-public .category-btn:hover,
.artdi-public .category-btn.active,
.artdi-public .filter-btn:hover,
.artdi-public .filter-btn.active { background: var(--a-accent-soft); color: var(--a-accent); }
.artdi-public .resources-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; }
.home-page .resource-cover-fallback { background: color-mix(in srgb, var(--a-accent) 8%, var(--a-surface-2)); }
.home-page .resource-cover-fallback::before { position: absolute; inset: 10px; border: 1px solid color-mix(in srgb, var(--a-accent) 22%, transparent); border-radius: 12px; content: ""; pointer-events: none; }
/* 后台 display_layout=double（双排）时生效；移动端会被下方媒体查询的 1 列覆盖 */
.artdi-public .resources-grid.resources-grid-double { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.artdi-public .resource-card { display: flex; min-width: 0; flex-direction: column; overflow: visible; border: 1px solid var(--a-line); border-radius: 16px; background: var(--a-surface); box-shadow: none; animation: none; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.artdi-public .resource-card:hover { transform: translateY(-2px); border-color: var(--a-line-strong); box-shadow: 0 8px 22px rgb(15 23 42 / 7%); }
.artdi-public .resource-card-main { display: contents; }
.artdi-public .resource-cover { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border: 0; border-radius: 16px 16px 0 0; background: var(--a-surface-2); color: var(--a-accent); font-size: 30px; }
.artdi-public .resource-cover.has-preview { padding: 0; cursor: zoom-in; }
.artdi-public .resource-cover picture { display: block; width: 100%; height: 100%; }
.artdi-public .resource-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .18s ease; }
.artdi-public .resource-card:hover .resource-cover.has-preview img { transform: scale(1.02); }
.artdi-public .resource-cover-fallback { display: grid; place-items: center; isolation: isolate; }
.artdi-public .resource-placeholder-main { position: relative; z-index: 1; display: grid; place-items: center; gap: 8px; color: var(--a-muted); font-size: 12px; font-weight: 650; }
.artdi-public .resource-placeholder-main img { width: 56px; height: 56px; object-fit: contain; }
.artdi-public .resource-placeholder-main i { display: grid; width: 56px; height: 56px; place-items: center; color: var(--a-accent); font-size: 34px; }
.artdi-public .resource-placeholder-watermark { position: absolute; right: -12px; bottom: -18px; z-index: 0; width: 108px !important; height: 108px !important; object-fit: contain !important; opacity: .08; }
.artdi-public .resource-card-content { display: flex; min-width: 0; flex: 1; flex-direction: column; gap: 0; padding: 16px; }
.artdi-public .resource-card-meta { display: flex; min-height: 24px; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.artdi-public .resource-card-meta-left { display: flex; min-width: 0; align-items: center; gap: 6px; flex-wrap: wrap; }
.artdi-public .resource-pin,
.artdi-public .resource-tag { display: inline-flex; min-height: 24px; align-items: center; gap: 4px; padding: 3px 7px; border-radius: 6px; background: var(--a-surface-2); color: var(--a-muted); font-size: 11px; font-weight: 650; }
.artdi-public .resource-pin { background: color-mix(in srgb, #e8a526 14%, var(--a-surface)); color: #a86600; }
.artdi-public .resource-status { display: inline-flex; flex: 0 0 auto; align-items: baseline; gap: 4px; margin: 4px 0; color: var(--a-muted); font-size: 11px; line-height: 1.5; overflow-wrap: anywhere; }
.artdi-public .resource-status i { font-size: 10px; }
.artdi-public .resource-name { display: -webkit-box; min-height: 46px; margin: 0; overflow: hidden; color: var(--a-ink); font-size: 16px; font-weight: 700; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.artdi-public .resource-description { display: -webkit-box; min-height: 21px; margin: 6px 0 10px; overflow: hidden; color: var(--a-muted); font-size: 13px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 1; }
.artdi-public .resource-file-info { display: flex; min-height: 20px; align-items: center; flex-wrap: wrap; gap: 6px; color: var(--a-muted); font-size: 12px; line-height: 1.5; }
.artdi-public .resource-info-separator { color: var(--a-line-strong); }
.artdi-public .resource-card-footer { display: flex; min-height: 44px; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 15px; }
.artdi-public .resource-secondary-actions { display: flex; min-width: 0; align-items: center; gap: 8px; }
.artdi-public .resource-action-btn { display: inline-flex; box-sizing: border-box; width: 44px; min-width: 44px; height: 44px; flex: 0 0 auto; align-items: center; justify-content: center; gap: 5px; padding: 0 8px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--a-muted); font-size: 12px; vertical-align: middle; white-space: nowrap; }
.artdi-public .resource-action-btn:hover { border-color: var(--a-line); background: var(--a-surface-2); color: var(--a-ink); }
.artdi-public .resource-action-btn.liked { color: var(--a-danger); }
.artdi-public .resource-action-btn .copy-label { display: inline; }
.artdi-public .resource-copy-btn { display: inline-flex; box-sizing: border-box; width: 68px; min-width: 68px; height: 44px; flex: 0 0 auto; align-items: center; justify-content: center; vertical-align: middle; white-space: nowrap; }
.artdi-public .resource-copy-btn .copy-label { white-space: nowrap; }
.artdi-public .resource-more-btn { display: inline-flex; box-sizing: border-box; width: 68px; min-width: 68px; height: 44px; flex: 0 0 auto; align-items: center; justify-content: center; vertical-align: middle; white-space: nowrap; }
.artdi-public .resource-more-btn span { white-space: nowrap; }
.artdi-public .resource-open-btn { display: inline-flex; box-sizing: border-box; width: 108px; min-width: 108px; height: 44px; flex: 0 0 auto; align-items: center; justify-content: center; gap: 6px; border-radius: 8px; background: var(--a-ink); color: var(--a-bg); font-size: 12px; font-weight: 700; vertical-align: middle; white-space: nowrap; transition: transform .18s ease, background-color .18s ease; }
.artdi-public .resource-open-btn:hover { background: var(--a-accent); }
.artdi-public .resource-open-btn:active,
.artdi-public .resource-action-btn:active { transform: scale(.98); }
.artdi-public .resource-more-wrap { position: relative; }
.artdi-public .resource-more-menu { position: absolute; right: 0; bottom: 48px; z-index: 20; min-width: 142px; padding: 5px; border: 1px solid var(--a-line); border-radius: 9px; background: var(--a-surface); box-shadow: 0 8px 22px rgb(15 23 42 / 12%); }
.artdi-public .resource-more-menu button { display: flex; width: 100%; min-height: 38px; align-items: center; gap: 7px; padding: 7px 9px; border: 0; border-radius: 6px; background: transparent; color: var(--a-text); font-size: 12px; text-align: left; }
.artdi-public .resource-more-menu button:hover { background: var(--a-surface-2); }
.artdi-public .pagination-container { margin-top: 48px; }
.artdi-public .pagination { display: flex; justify-content: center; gap: 7px; flex-wrap: wrap; }
.artdi-public .pagination button,
.artdi-public .page-btn { min-width: 44px; height: 44px; border: 1px solid var(--a-line); border-radius: 8px; background: var(--a-surface); color: var(--a-muted); }
.artdi-public .pagination button.active,
.artdi-public .page-btn.active { border-color: var(--a-ink); background: var(--a-ink); color: var(--a-bg); }
.artdi-public .empty-state { padding: 48px 20px; color: var(--a-muted); text-align: center; }
.artdi-public .resource-empty { display: grid; min-height: 230px; place-items: center; align-content: center; gap: 8px; border: 1px dashed var(--a-line-strong); border-radius: var(--a-radius); background: var(--a-surface); }
.artdi-public .resource-empty .empty-icon { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 12px; background: var(--a-accent-soft); color: var(--a-accent); }
.artdi-public .resource-empty h3 { margin: 6px 0 0; color: var(--a-ink); font-size: 18px; }
.artdi-public .resource-empty p { margin: 0; }
.home-page .empty-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.artdi-public .empty-action { min-height: 44px; margin-top: 8px; padding: 8px 15px; border: 1px solid var(--a-line-strong); border-radius: var(--a-control-radius); background: var(--a-surface); color: var(--a-ink); font-weight: 650; }
.artdi-public .loading { padding: 56px 20px; color: var(--a-muted); text-align: center; }
.artdi-public .loading-spinner { border-color: var(--a-line); border-top-color: var(--a-accent); }
.home-page .resource-skeleton-grid { align-items: stretch; }
.home-page .resource-skeleton-card { display: flex; min-width: 0; min-height: 100%; flex-direction: column; overflow: hidden; border: 1px solid var(--a-line); border-radius: 16px; background: var(--a-surface); }
.home-page .resource-skeleton-cover { width: 100%; aspect-ratio: 16 / 9; background: var(--a-surface-2); animation: resourceSkeletonPulse 1.4s ease-in-out infinite; }
.home-page .resource-skeleton-content { display: grid; gap: 10px; padding: 16px; }
.home-page .resource-skeleton-content span,
.home-page .resource-skeleton-content strong,
.home-page .resource-skeleton-content em,
.home-page .resource-skeleton-footer span,
.home-page .resource-skeleton-footer b { display: block; border-radius: 5px; background: var(--a-surface-2); animation: resourceSkeletonPulse 1.4s ease-in-out infinite; }
.home-page .resource-skeleton-content span { width: 38%; height: 14px; }
.home-page .resource-skeleton-content strong { width: 92%; height: 17px; }
.home-page .resource-skeleton-content strong:nth-of-type(2) { width: 70%; }
.home-page .resource-skeleton-content em { width: 55%; height: 13px; }
.home-page .resource-skeleton-footer { display: flex; min-height: 59px; align-items: center; gap: 8px; margin-top: auto; padding: 15px 16px 0; border-top: 1px solid var(--a-line); }
.home-page .resource-skeleton-footer span { width: 44px; height: 28px; }
.home-page .resource-skeleton-footer span:nth-child(2) { width: 68px; }
.home-page .resource-skeleton-footer b { width: 108px; height: 44px; margin-left: auto; }
@keyframes resourceSkeletonPulse { 0%, 100% { opacity: .5; } 50% { opacity: .9; } }
.artdi-public .toast { position: fixed; top: auto; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); z-index: 2600; display: flex; width: max-content; min-height: 44px; max-width: min(calc(100vw - 32px), 520px); align-items: center; padding: 10px 14px; border: 1px solid var(--a-line); border-radius: 9px; background: var(--a-ink); color: var(--a-bg); box-shadow: var(--a-shadow-small); font-size: 13px; line-height: 1.5; text-align: center; transform: translateX(-50%); }

.home-page .community-section { margin-top: 86px; padding-top: 70px; border-top: 1px solid var(--a-line); }
.home-page .community-container { padding: 0; }
.home-page .community-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 34px; }
.home-page .community-card { padding: 20px 0; border: 0; border-bottom: 1px solid var(--a-line); border-radius: 0; background: transparent; box-shadow: none; }
.home-page .community-card-title { color: var(--a-ink); font-size: 16px; }
.home-page .community-card-summary { display: -webkit-box; min-height: 24px; margin: 8px 0 0; overflow: hidden; color: var(--a-muted); font-size: 13px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.home-page .community-card-meta,
.home-page .community-card-author { color: var(--a-muted); }
.home-page .home-feed-empty { grid-column: 1 / -1; display: grid; min-height: 190px; place-items: center; align-content: center; gap: 7px; padding: 30px; border: 1px dashed var(--a-line-strong); border-radius: var(--a-radius); color: var(--a-muted); text-align: center; }
.home-page .home-feed-empty strong { color: var(--a-ink); font-size: 17px; }
.home-page .home-feed-empty a { min-height: 44px; margin-top: 6px; padding: 10px 14px; border-radius: var(--a-control-radius); background: var(--a-ink); color: var(--a-bg); font-weight: 650; }
.home-page .community-section.is-empty { margin-top: 32px; padding-top: 24px; }
.home-page .community-section.is-empty .section-header { margin-bottom: 12px; }
.home-page .community-section.is-empty .home-feed-empty { min-height: 0; grid-template-columns: minmax(0, 1fr) auto; place-items: start; align-items: center; gap: 4px 16px; padding: 16px; border-style: solid; text-align: left; }
.home-page .community-section.is-empty .home-feed-empty span { grid-column: 1; font-size: 13px; overflow-wrap: anywhere; }
.home-page .community-section.is-empty .home-feed-empty a { grid-column: 2; grid-row: 1 / 3; margin: 0; white-space: nowrap; }
.artdi-public .footer-links,
.artdi-public .simple-footer-links { display: flex; justify-content: center; gap: 18px; margin: 8px 0 0; opacity: .82; }
.artdi-public .footer-icp,
.artdi-public .simple-footer-meta { display: block; margin-top: 8px; opacity: .68; }
.artdi-public .footer-icp a,
.artdi-public .simple-footer-meta a { color: inherit; text-decoration: none; }
.artdi-public .footer-icp a:hover,
.artdi-public .simple-footer-meta a:hover { color: var(--a-accent); text-decoration: underline; }

/* Semantic states shared by small public pages and homepage fallbacks. */
.artdi-public .category-navbar { display: none; }
.artdi-public .homepage-closed { padding: 88px 20px; color: var(--a-ink); text-align: center; }
.artdi-public .homepage-closed-icon { margin-bottom: 20px; color: var(--a-accent); font-size: 56px; }
.artdi-public .homepage-closed-title { margin: 0 0 8px; font-size: 28px; font-weight: 730; }
.artdi-public .homepage-closed-copy { margin: 0; color: var(--a-muted); font-size: 15px; }
.artdi-public #copyToast { pointer-events: none; }
.clipboard-fallback { position: fixed; top: 0; left: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.artdi-public .required-mark { color: var(--a-danger); }
.artdi-public .collection-empty { grid-column: 1 / -1; }
.artdi-public .collection-state { width: 100%; padding: 52px 20px; color: var(--a-muted); text-align: center; }
.artdi-public .collection-state-icon { font-size: 30px; }
.artdi-public .collection-state-text { margin-top: 12px; }
.artdi-public .collection-state.is-error { color: var(--a-danger); }
.artdi-public .simple-footer { margin-top: 60px; padding: 30px 20px; border-top: 1px solid var(--a-line); background: var(--a-surface-2); color: var(--a-muted); font-size: 13px; text-align: center; }
.artdi-public .simple-footer p { margin: 0; }
.artdi-public .simple-footer a { color: inherit; }
.artdi-public .takedown-icon { margin-right: 8px; color: var(--a-accent); }

/* Forms and buttons */
.artdi-public .btn,
.artdi-public .btn-primary,
.artdi-public .primary-btn,
.artdi-public .submit-btn,
.artdi-public .btn-submit,
.artdi-public .login-btn,
.artdi-public .register-btn,
.artdi-public button[type="submit"] { min-height: 44px; border-radius: var(--a-control-radius); box-shadow: none; font-weight: 650; transition: transform .15s ease, background-color .18s ease, border-color .18s ease; }
.artdi-public .btn-primary,
.artdi-public .primary-btn,
.artdi-public .submit-btn,
.artdi-public .btn-submit,
.artdi-public .login-btn,
.artdi-public .register-btn,
.artdi-public button[type="submit"] { border-color: var(--a-accent); background: var(--a-accent); background-image: none; color: var(--a-on-accent); }
.artdi-public .btn-primary:hover,
.artdi-public .primary-btn:hover,
.artdi-public .submit-btn:hover,
.artdi-public .btn-submit:hover,
.artdi-public .login-btn:hover,
.artdi-public .register-btn:hover,
.artdi-public button[type="submit"]:hover { background: var(--a-accent-hover); transform: translateY(-1px); }
.artdi-public button:active,
.artdi-public .btn:active { transform: translateY(1px); }
.artdi-public .form-item label,
.artdi-public .form-group label,
.artdi-public label { color: var(--a-text); font-weight: 650; }
.artdi-public input,
.artdi-public textarea,
.artdi-public select,
.artdi-public .form-group input,
.artdi-public .form-group textarea,
.artdi-public .form-group select { min-height: 44px; border: 1px solid var(--a-line-strong); border-radius: var(--a-control-radius); background: var(--a-bg); color: var(--a-ink); box-shadow: none; }
.artdi-public input:focus,
.artdi-public textarea:focus,
.artdi-public select:focus { border-color: var(--a-accent); box-shadow: 0 0 0 3px var(--a-accent-soft); outline: 0; }
.artdi-public input::placeholder,
.artdi-public textarea::placeholder { color: var(--a-faint); opacity: 1; }
.artdi-public .create-post-btn,
.artdi-public .btn-save { min-height: 44px; border: 1px solid var(--a-accent); border-radius: var(--a-control-radius); background: var(--a-accent); background-image: none; color: var(--a-on-accent); box-shadow: none; }

/* Dialogs */
.artdi-public .modal-overlay,
.artdi-public .announcement-modal,
.artdi-public .image-modal { position: fixed; inset: 0; z-index: 2000; align-items: center; justify-content: center; padding: 20px; background: rgb(9 12 17 / 64%); backdrop-filter: blur(7px); }
.artdi-public .modal-overlay,
.artdi-public .image-modal { display: none; }
.artdi-public .modal-overlay.active { display: flex; }
.artdi-public .announcement-modal:not(.show) { display: none; }
.artdi-public .announcement-modal.show { display: flex; }
.artdi-public .modal-box,
.artdi-public .modal-content,
.artdi-public .announcement-modal-content { display: flex; width: min(560px, 100%); max-height: calc(100dvh - 40px); flex-direction: column; overflow: hidden; border: 1px solid var(--a-line); border-radius: var(--a-radius); background: var(--a-surface); color: var(--a-text); box-shadow: var(--a-shadow); animation: none; }
.artdi-public .modal-header,
.artdi-public .announcement-modal-header { display: flex; align-items: center; justify-content: space-between; flex: 0 0 auto; padding: 18px 20px; border-bottom: 1px solid var(--a-line); background: var(--a-surface); background-image: none; color: var(--a-ink); }
.artdi-public .modal-header h3,
.artdi-public .announcement-modal-header h3 { margin: 0; color: var(--a-ink); font-size: 18px; }
.artdi-public .modal-close,
.artdi-public .announcement-modal-close,
.artdi-public .image-modal-close { display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; padding: 0; border: 0; border-radius: 8px; background: var(--a-surface-2); color: var(--a-muted); transform: none; }
.artdi-public .modal-body,
.artdi-public .announcement-modal-body { min-height: 0; flex: 1 1 auto; overflow-y: auto; padding: 20px; color: var(--a-text); overscroll-behavior: contain; }
.artdi-public .modal-footer,
.artdi-public .announcement-modal-footer { display: flex; flex: 0 0 auto; justify-content: flex-end; gap: 10px; padding: 14px 20px calc(14px + env(safe-area-inset-bottom)); border-top: 1px solid var(--a-line); background: var(--a-surface-2); text-align: right; }
.artdi-public .image-modal-content { max-width: min(100%, 980px); max-height: calc(100dvh - 40px); object-fit: contain; }

/* Authentication and utility pages */
.auth-page { display: grid; min-height: 100dvh; place-items: center; padding: 32px; background: var(--a-bg); }
.auth-page .login-box,
.auth-page .register-box { width: min(420px, calc(100vw - 32px)); max-width: none; padding: 36px; border: 1px solid var(--a-line); border-radius: 16px; background: var(--a-surface); color: var(--a-text); box-shadow: var(--a-shadow); backdrop-filter: none; }
.auth-page > .theme-toggle,
.legal-page > .theme-toggle,
.error-page > .theme-toggle,
.download-page > .theme-toggle { position: fixed; top: 16px; right: 16px; z-index: 20; }
.auth-page .login-header,
.auth-page .register-header { margin-bottom: 26px; }
.auth-page .auth-mark { display: grid; width: 58px; height: 58px; margin: 0 auto 17px; place-items: center; border-radius: 14px; background: var(--a-ink); color: var(--a-bg); font-size: 24px; }
.auth-page .login-logo,
.auth-page .register-logo { color: var(--a-ink); font-size: 26px; font-weight: 760; letter-spacing: -.03em; -webkit-text-fill-color: currentColor; background: none; }
.auth-page .login-subtitle,
.auth-page .register-subtitle,
.auth-page .login-footer,
.auth-page .register-footer,
.auth-page .back-home a { color: var(--a-muted); }
.auth-page .login-footer a,
.auth-page .register-footer a,
.auth-page .back-home a { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; }
.auth-page .auth-feedback { margin: 12px 0 0; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--a-danger) 24%, var(--a-line)); border-radius: 8px; background: color-mix(in srgb, var(--a-danger) 8%, var(--a-surface)); color: var(--a-danger); font-size: 13px; line-height: 1.55; text-align: left; }
.auth-page .auth-feedback.is-success { border-color: color-mix(in srgb, var(--a-success) 24%, var(--a-line)); background: color-mix(in srgb, var(--a-success) 8%, var(--a-surface)); color: var(--a-success); }
.auth-page form { display: grid; gap: 18px; }
.auth-page .form-item { margin: 0; }
.auth-page .form-item label { display: block; margin-bottom: 7px; color: var(--a-text); font-size: 14px; font-weight: 650; }
.auth-page .input-wrapper { position: relative; }
.auth-page .input-wrapper > i { position: absolute; top: 50%; left: 14px; z-index: 1; transform: translateY(-50%); }
.auth-page .input-wrapper i { color: var(--a-faint); }
.auth-page .form-item input { width: 100%; padding-right: 50px; padding-left: 40px; font-size: 16px; }
.auth-page .btn-submit { width: 100%; margin-top: 2px; }
.auth-page .login-footer,
.auth-page .register-footer { margin-top: 22px; text-align: center; }
.auth-page .back-home { margin-top: 8px; text-align: center; }
.auth-page .password-toggle { position: absolute; top: 50%; right: 2px; z-index: 2; display: grid; width: 44px; height: 44px; place-items: center; padding: 0; border: 0; border-radius: 7px; background: transparent; color: var(--a-muted); transform: translateY(-50%); }
.auth-page .password-toggle i { position: static; color: currentColor; transform: none; }
.auth-page .password-toggle:hover { background: var(--a-surface-2); color: var(--a-ink); }
.legal-page > .container { max-width: 880px; margin-top: 42px; margin-bottom: 70px; padding: clamp(24px, 5vw, 56px); border: 1px solid var(--a-line); border-radius: 16px; background: var(--a-surface); box-shadow: none; }
.legal-page h1 { font-size: 34px; letter-spacing: -.035em; }
.legal-page h2 { margin-top: 34px; font-size: 20px; }
.legal-page p,
.legal-page li { color: var(--a-text); }
.download-page > .container { max-width: 900px; padding-top: 48px; }
.download-page .main-card { overflow: hidden; border: 1px solid var(--a-line); border-radius: var(--a-radius); background: var(--a-surface); box-shadow: var(--a-shadow); }
.download-page .card-header { display: flex; align-items: center; gap: 14px; padding: 20px 24px; border-bottom: 1px solid var(--a-line); }
.download-page .platform-badge { display: flex; align-items: center; gap: 10px; min-width: 0; }
.download-page .platform-logo { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px; background-size: cover; background-position: center; background-color: var(--a-surface-2); }
.download-page .platform-name { color: var(--a-ink); font-size: 15px; font-weight: 700; }
.download-page .file-name { margin-left: auto; overflow: hidden; color: var(--a-muted); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.download-page .card-body { padding: 24px; }
.download-page .scan-tip { padding: 8px 0 20px; text-align: center; }
.download-page .scan-tip-icon { display: grid; width: 56px; height: 56px; margin: 0 auto 14px; place-items: center; border-radius: 50%; background: var(--a-accent-soft); color: var(--a-accent); font-size: 24px; }
.download-page .scan-tip h3 { margin: 0 0 8px; color: var(--a-ink); font-size: 18px; }
.download-page .scan-tip p { margin: 0; color: var(--a-muted); font-size: 14px; }
.download-page .highlight { color: var(--a-accent); font-weight: 700; }
.download-page .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0 0; }
.download-page .step { text-align: center; }
.download-page .step-num { display: grid; width: 28px; height: 28px; margin: 0 auto 8px; place-items: center; border-radius: 50%; background: var(--a-accent); color: var(--a-on-accent); font-size: 13px; font-weight: 700; }
.download-page .step-text { color: var(--a-muted); font-size: 13px; }
.download-page .btn-group { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.error-page { display: grid; place-items: center; text-align: center; }
.error-page::before,
.error-page::after { display: none; content: none; }
.error-page > .container { padding: 60px 24px; }
.error-page .error-code { background: none; color: var(--a-accent); font-size: clamp(80px, 18vw, 170px); font-weight: 780; line-height: .9; -webkit-text-fill-color: var(--a-accent); animation: none; }
.error-page .decoration { display: none; }
.collections-page .collections-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.artdi-public .collection-card { overflow: hidden; border: 1px solid var(--a-line); border-radius: var(--a-radius); background: var(--a-surface); box-shadow: none; }
.artdi-public .collection-cover { aspect-ratio: 16 / 10; overflow: hidden; background: var(--a-surface-2); }
.artdi-public .collection-cover img { width: 100%; height: 100%; object-fit: cover; }
.artdi-public .collection-info { padding: 18px; }

/* Footer and secondary controls */
.artdi-public .contact-info { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 70px 0 0; padding: 20px 0; border-top: 1px solid var(--a-line); background: transparent; box-shadow: none; }
.artdi-public .contact-info h3 { margin: 0; color: var(--a-ink); font-size: 15px; }
.artdi-public .contact-links { display: flex; gap: 9px; flex-wrap: wrap; }
.artdi-public .contact-link { display: flex; min-height: 44px; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--a-line); border-radius: 8px; background: var(--a-surface); color: var(--a-text); }
.artdi-public .footer,
.artdi-public footer { padding: 36px 24px; border-top: 1px solid var(--a-line); background: var(--a-surface-2); color: var(--a-muted); box-shadow: none; text-align: center; }
.artdi-public .footer a,
.artdi-public footer a { display: inline-flex; min-height: 40px; align-items: center; color: var(--a-text); }
.artdi-public .fab-submit,
.artdi-public .fab-request { display: none; }
.artdi-public .back-to-top { position: fixed; right: 18px; bottom: 22px; z-index: 80; display: grid; width: 44px; height: 44px; place-items: center; border: 0; border-radius: 9px; background: var(--a-ink); color: var(--a-bg); box-shadow: var(--a-shadow-small); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(10px); transition: opacity .22s var(--a-ease), transform .22s var(--a-ease), visibility .22s; }
.artdi-public .back-to-top.show { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.artdi-public .side-nav { display: none; }
.artdi-public .mobile-bottom-nav { display: none; }

@media (max-width: 1120px) {
  .home-page .artdi-hero { min-height: 520px; grid-template-columns: minmax(0, .9fr) minmax(410px, 1.1fr); }
  .home-page .artdi-hero-copy { padding: 48px 38px; }
  .home-page .discovery-title { font-size: 48px; }
  .artdi-public .resources-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  :root { --a-header-height: 62px; }
  .artdi-public .navbar,
  .artdi-public > .header,
  .artdi-public .site-header,
  .artdi-public .nav-inner,
  .artdi-public .navbar-container { min-height: var(--a-header-height); }
  .artdi-public .nav-inner,
  .artdi-public .navbar-container { width: min(calc(100% - 28px), var(--a-max)); gap: 8px; }
  .artdi-public .nav-inner { grid-template-columns: minmax(0, 1fr) auto; column-gap: 12px; }
  .artdi-public .header-nav,
  .artdi-public .nav-menu { display: none; }
  .artdi-public .nav-logo-wrap { max-width: 100%; }
  .artdi-public .nav-actions { grid-column: 2; }
  .artdi-public .nav-logo-icon { width: 36px; height: 36px; flex-basis: 36px; }
  .artdi-public .nav-logo-text h1 { font-size: 15px; }
  .artdi-public .nav-user { margin-left: 0; }
  .artdi-public .header-avatar { width: 30px; height: 30px; flex-basis: 30px; }
  .artdi-public .header-avatar > img,
  .artdi-public .header-avatar > .avatar-image { max-width: 30px; max-height: 30px; }
  .artdi-public .header-username { display: none; }
  .artdi-public .nav-btn,
  .artdi-public .header-user { min-width: 44px; justify-content: center; padding-inline: 11px; }
  .artdi-public .theme-toggle { width: 42px; height: 42px; }
  .artdi-public .main-container,
  .artdi-public .community-container,
  .artdi-public > .container { width: min(calc(100% - 28px), var(--a-max)); }
  .home-page .main-container { padding: 18px 0 0; }
  .home-page .artdi-hero { min-height: 0; grid-template-columns: 1fr; }
  .home-page .artdi-hero-copy { padding: 42px 28px 36px; }
  .home-page .discovery-title { font-size: clamp(38px, 10vw, 50px); }
  .home-page .discovery-copy { font-size: 15px; }
  .home-page .artdi-hero-visual { min-height: 330px; }
  .home-page .search-workbench { grid-template-columns: 1fr; gap: 15px; padding: 22px; }
  .home-page .notice-board { margin-bottom: 32px; }
  .artdi-public .filter-bar { align-items: stretch; flex-direction: column; }
  .artdi-public .resources-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 13px; }
  .home-page .community-grid { grid-template-columns: 1fr; }
  .collections-page .collections-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .artdi-public:has(.mobile-bottom-nav) { padding-bottom: calc(var(--a-bottom-nav-height) + env(safe-area-inset-bottom)); }
  .artdi-public .mobile-bottom-nav {
    position: fixed;
    right: 10px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 10px;
    z-index: 1200;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 6px;
    border: 1px solid var(--a-line);
    border-radius: 14px;
    background: color-mix(in srgb, var(--a-surface) 96%, transparent);
    box-shadow: var(--a-shadow-small);
    backdrop-filter: blur(16px);
  }
  .artdi-public .mobile-bottom-nav a,
  .artdi-public .mobile-bottom-nav button { display: flex; min-width: 0; min-height: 54px; align-items: center; justify-content: center; flex-direction: column; gap: 3px; padding: 4px 2px; border: 0; border-radius: 9px; background: transparent; color: var(--a-muted); font-size: 11px; line-height: 1.15; }
  .artdi-public .mobile-bottom-nav i { font-size: 16px; }
  .artdi-public .mobile-bottom-nav .active { background: var(--a-accent-soft); color: var(--a-accent); }
  .artdi-public .mobile-bottom-nav .mobile-nav-create i { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 8px; background: var(--a-ink); color: var(--a-bg); }
  .artdi-public.modal-open .mobile-bottom-nav { visibility: hidden; pointer-events: none; }
  .artdi-public .back-to-top { bottom: calc(var(--a-bottom-nav-height) + 18px + env(safe-area-inset-bottom)); }
  .artdi-public .toast { bottom: calc(var(--a-bottom-nav-height) + 18px + env(safe-area-inset-bottom)); }
  .artdi-public .contact-info { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .auth-page { padding: 16px; }
  .auth-page .login-box,
  .auth-page .register-box { width: calc(100vw - 32px); padding: 28px 22px; }
  .artdi-public .nav-logo-wrap { max-width: 100%; }
  .artdi-public .nav-logo-text h1 { max-width: 14ch; }
  /* 移动端压缩首屏，让搜索框和资源列表更快进入视野 */
  .home-page .artdi-hero-copy { padding: 14px 16px 14px; }
  .home-page .discovery-kicker { margin-bottom: 6px; }
  .home-page .discovery-title { font-size: 24px; }
  .home-page .discovery-copy { margin-top: 6px; font-size: 12.5px; }
  .home-page .hero-facts { display: none; }
  .home-page .hero-actions { align-items: stretch; flex-direction: column; margin-top: 9px; }
  .home-page .hero-primary,
  .home-page .hero-secondary { width: 100%; min-height: 38px; font-size: 13px; }
  .home-page .artdi-hero-visual { height: auto; min-height: 0; overflow: visible; }
  .home-page .artdi-hero-visual img { height: auto; object-fit: contain; }
  .home-page .search-workbench { padding: 17px; }
  .home-page .search-title { margin-bottom: 2px; }
  .home-page .search-title h2 { font-size: 19px; }
  .home-page .quick-categories { padding-top: 11px; }
  .home-page .search-box { padding-left: 12px; }
  .home-page .search-btn { min-width: 68px; padding-inline: 12px; }
  .home-page .clear-search-btn { right: 78px; }
  .artdi-public .resources-grid,
  .collections-page .collections-grid { grid-template-columns: 1fr; gap: 24px; }
  .artdi-public .resource-cover,
  .artdi-public .resource-icon { aspect-ratio: 16 / 9; }
  .artdi-public .resource-info h3,
  .artdi-public .resource-name { min-height: 0; font-size: 15px; }
  .artdi-public .resource-links .btn,
  .artdi-public .resource-actions .status-badge { min-height: 44px; }
  .artdi-public .resource-actions { display: none; }
  .artdi-public .resource-card-footer { flex-wrap: nowrap; }
  .artdi-public .resource-open-btn { width: auto; min-width: 0; flex: 1; }
  .home-page .resource-card { min-height: 0; margin-bottom: 0; gap: 9px; padding: 12px; border-radius: 12px; }
  .home-page .resource-card-main { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 12px; min-width: 0; }
  .home-page .resource-cover { width: 88px; height: 88px; aspect-ratio: 1; border-radius: 10px; }
  .home-page .resource-cover-fallback { overflow: hidden; }
  .home-page .resource-placeholder-main { gap: 4px; font-size: 10px; text-align: center; }
  .home-page .resource-placeholder-main img,
  .home-page .resource-placeholder-main i { width: 40px; height: 40px; font-size: 25px; }
  .home-page .resource-placeholder-watermark { right: -16px; bottom: -16px; width: 72px !important; height: 72px !important; }
  .home-page .resource-card-content { min-width: 0; padding: 0; }
  .home-page .resource-card-meta { min-height: 21px; gap: 5px; margin-bottom: 4px; }
  .home-page .resource-card-meta-left { min-width: 0; flex-wrap: nowrap; overflow: hidden; }
  .home-page .resource-card-meta-left > * { min-width: 0; flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .home-page .resource-status { min-width: 0; font-size: 10px; }
  .home-page .resource-status i { font-size: 9px; }
  .home-page .resource-name { min-height: 40px; font-size: 14px; letter-spacing: -.01em; line-height: 1.42; }
  .home-page .resource-description { min-height: 19px; margin: 3px 0 3px; font-size: 12px; white-space: nowrap; text-overflow: ellipsis; }
  .home-page .resource-file-info { display: block; min-height: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .home-page .resource-file-info > * { display: inline; }
  .home-page .resource-card-footer { min-height: 44px; margin: 0; padding-top: 9px; border-top: 1px solid var(--a-line); }
  .home-page .resource-copy-btn,
  .home-page .resource-more-btn { width: 56px; min-width: 56px; }
  .home-page .resource-card-footer .resource-open-btn { min-width: 96px; }
  .home-page .resources-grid { padding-bottom: 8px; }
  .home-page .notice-board { display: flex; height: auto; min-height: 0; max-height: none; flex-direction: column; align-items: stretch; gap: 10px; padding: 15px; }
  .home-page .notice-title { justify-content: center; padding: 0 0 10px; border-right: 0; border-bottom: 1px solid var(--a-line); }
  .home-page .notice-list { width: 100%; max-height: none; gap: 6px; overflow: visible; }
  .home-page .notice-list li { display: block; overflow: visible; text-overflow: clip; white-space: normal; }
  .artdi-public .simple-footer-links { flex-wrap: wrap; gap: 4px 14px; }
  .home-page .community-section { margin-top: 0; padding-top: 12px; }
  .artdi-public .section-title,
  .artdi-public .section-header h2 { font-size: 24px; }
  .artdi-public .modal-overlay,
  .artdi-public .announcement-modal,
  .artdi-public .image-modal { align-items: flex-end; padding: 12px 12px max(12px, env(safe-area-inset-bottom)); }
  .artdi-public .modal-box,
  .artdi-public .modal-content,
  .artdi-public .announcement-modal-content { width: 100%; max-height: calc(100dvh - 24px - env(safe-area-inset-bottom)); border-radius: 16px; }
  .artdi-public .modal-footer,
  .artdi-public .announcement-modal-footer { position: sticky; bottom: 0; }
  .auth-page { align-items: start; padding: max(24px, env(safe-area-inset-top)) 16px 28px; }
  .auth-page .login-box,
  .auth-page .register-box { padding: 28px 22px; }
  .download-page .card-header { flex-wrap: wrap; padding: 16px 18px; }
  .download-page .file-name { flex-basis: 100%; margin-left: 0; }
  .download-page .steps { grid-template-columns: 1fr; gap: 8px; }
  .download-page .card-body { padding: 20px 18px; }
}

@media (max-width: 360px) {
  .artdi-public .nav-logo-text h1 { max-width: 10ch; }
  .artdi-public .nav-btn,
  .artdi-public .header-user { padding-inline: 9px; }
  .artdi-public .mobile-bottom-nav { right: 6px; left: 6px; }
  .artdi-public .mobile-bottom-nav a,
  .artdi-public .mobile-bottom-nav button { font-size: 10px; }
  .home-page .discovery-title { font-size: 24px; }
  .home-page .home-action-panel { padding-inline: 14px; }
  .home-page .home-action-buttons { flex-direction: column; align-items: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .artdi-public *,
  .artdi-public *::before,
  .artdi-public *::after { scroll-behavior: auto; animation-duration: .01ms; animation-iteration-count: 1; transition-duration: .01ms; }
  .home-page .resource-skeleton-cover,
  .home-page .resource-skeleton-content span,
  .home-page .resource-skeleton-content strong,
  .home-page .resource-skeleton-content em,
  .home-page .resource-skeleton-footer span,
  .home-page .resource-skeleton-footer b { animation: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .artdi-public .navbar,
  .artdi-public > .header,
  .artdi-public .site-header,
  .artdi-public .mobile-bottom-nav,
  .artdi-public .modal-overlay,
  .artdi-public .announcement-modal,
  .artdi-public .image-modal { backdrop-filter: none; }
}

/* Homepage controls and content alignment. */
.home-page .search-workbench { grid-template-columns: minmax(180px, .55fr) minmax(0, 1.45fr); }
.home-page .search-box { width: 100%; }
.home-page .contact-info { justify-content: center; margin-top: 24px; padding: 20px 24px; border: 1px solid var(--a-line); border-radius: var(--a-radius); background: var(--a-surface); }
.home-page .contact-info h3 { display: inline-flex; align-items: center; gap: 8px; }

/* Resource cards: one predictable visual rhythm, with controls anchored to the card bottom. */
.home-page .resources-grid .resource-card { min-height: 100%; }

/* The homepage community feed needs to read as content, not a loose list. */
.home-page .community-section { background: var(--a-surface-2); }
.home-page .community-container { width: min(calc(100% - (var(--a-page-gutter) * 2)), var(--a-max)); margin-inline: auto; }
.home-page .community-grid { gap: 14px; }
.home-page .community-card { min-width: 0; padding: 20px; border: 1px solid var(--a-line); border-radius: 12px; background: var(--a-surface); cursor: pointer; transition: border-color .18s ease, transform .18s ease, background-color .18s ease; }
.home-page .community-card:hover { border-color: var(--a-line-strong); background: color-mix(in srgb, var(--a-accent) 3%, var(--a-surface)); transform: translateY(-2px); }
.home-page .community-card-title { display: -webkit-box; min-height: 48px; overflow: hidden; font-weight: 700; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.home-page .community-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }
.home-page .community-card-author { display: inline-flex; min-width: 0; align-items: center; gap: 8px; }
.home-page .community-card-avatar { display: grid; width: 26px; height: 26px; flex: 0 0 26px; place-items: center; border-radius: 50%; background: var(--a-accent-soft); color: var(--a-accent); font-size: 12px; font-weight: 750; }
.home-page .community-card-stats { display: inline-flex; flex: 0 0 auto; gap: 10px; color: var(--a-faint); font-size: 12px; }
.home-page .community-card.is-lead { grid-row: span 2; padding: 26px; border: 1px solid var(--a-line); border-radius: 14px; background: var(--a-surface); }
.home-page .community-card.is-lead .community-card-title { font-size: 21px; line-height: 1.4; }
.home-page .community-card.is-lead .community-card-summary { font-size: 14px; }
.home-page .home-action-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center; margin-top: 48px; padding: 24px 26px; border: 1px solid var(--a-line); border-radius: 14px; background: var(--a-surface); }
.home-page .home-action-copy h3 { max-width: 620px; margin: 0; color: var(--a-ink); font-size: 20px; line-height: 1.45; }
.home-page .home-action-copy > p:last-child { max-width: 620px; margin: 7px 0 0; color: var(--a-muted); font-size: 13px; }
.home-page .home-action-buttons { display: flex; align-items: center; gap: 8px; }
.home-page .home-action-buttons .fab-submit,
.home-page .home-action-buttons .fab-request { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 8px; padding: 9px 14px; border: 1px solid var(--a-line-strong); border-radius: 9px; background: transparent; color: var(--a-ink); font-size: 13px; font-weight: 680; white-space: nowrap; }
.home-page .home-action-buttons .fab-submit { border-color: var(--a-ink); background: var(--a-ink); color: var(--a-bg); }
.home-page .home-action-buttons .fab-submit:hover,
.home-page .home-action-buttons .fab-request:hover { border-color: var(--a-accent); background: var(--a-accent); color: var(--a-on-accent); transform: translateY(-1px); }

@media (max-width: 820px) {
  .home-page .search-workbench { grid-template-columns: 1fr; gap: 12px; }
  .home-page .search-title h2 { font-size: 20px; }
  .home-page .community-container { width: min(calc(100% - 28px), var(--a-max)); }
  .home-page .community-card.is-lead { grid-row: auto; }
  .home-page .home-action-panel { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 560px) {
  .home-page .nav-logo-wrap { max-width: 100%; }
  .home-page .nav-logo-text h1 { max-width: 14ch; }
  .home-page .search-workbench { padding: 16px; }
  .home-page .search-box { padding: 4px; }
  .home-page .search-input { height: 44px; padding-left: 10px; }
  .home-page .search-btn { min-width: 72px; }
  .home-page .clear-search-btn { right: 76px; }
  .home-page .contact-info { align-items: center; text-align: center; }
  .home-page .contact-links { justify-content: center; }
  .home-page .community-container { width: min(calc(100% - 24px), var(--a-max)); }
  .home-page .community-card { padding: 18px; }
  .home-page .community-card.is-lead { padding: 20px; }
  .home-page .community-card.is-lead .community-card-title { font-size: 18px; }
  .home-page .resource-skeleton-grid { grid-template-columns: 1fr; gap: 14px; }
  .home-page .resource-skeleton-card { display: grid; grid-template-columns: 88px minmax(0, 1fr); grid-template-rows: 88px 44px; gap: 9px 12px; padding: 12px; border-radius: 12px; }
  .home-page .resource-skeleton-cover { width: 88px; height: 88px; aspect-ratio: 1; grid-row: 1; }
  .home-page .resource-skeleton-content { min-width: 0; gap: 8px; padding: 3px 0 0; }
  .home-page .resource-skeleton-footer { grid-column: 1 / -1; min-height: 44px; padding: 9px 0 0; }
  .home-page .resource-skeleton-footer b { width: auto; min-width: 96px; flex: 1; }
  .home-page .home-action-panel { grid-template-columns: 1fr; gap: 16px; margin-top: 34px; padding: 20px 18px; }
  .home-page .home-action-buttons { width: 100%; }
  .home-page .home-action-buttons .fab-submit,
  .home-page .home-action-buttons .fab-request { flex: 1; }
}

@media (max-width: 359px) {
  .artdi-public .resource-copy-btn { width: 44px; min-width: 44px; }
  .home-page .resource-card-footer { padding-inline: 0; }
  .home-page .resource-more-btn { width: 52px; min-width: 52px; padding-inline: 0; }
  .home-page .resource-card-footer .resource-open-btn { min-width: 84px; }
  .artdi-public .resource-action-btn .copy-label { display: none; }
}

.artdi-public .avatar-image { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.rss-preview-image { width: min(100%, 300px); height: auto; }


/* ============================================================
   下载页（xiazai.html）轻落地页样式
   ============================================================ */
.download-page > .container { max-width: 980px; padding-top: 36px; padding-bottom: 56px; }

/* 顶部：平台徽章 + 资源名 */
.download-page .dl-header {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 14px 20px; margin-bottom: 16px;
    border: 1px solid var(--a-line); border-radius: var(--a-radius);
    background: var(--a-surface); box-shadow: var(--a-shadow);
}
.download-page .dl-platform { display: flex; align-items: center; gap: 12px; min-width: 0; }
.download-page .dl-platform-logo {
    width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px;
    background: var(--a-surface-2) center/cover no-repeat;
    display: grid; place-items: center; color: var(--a-muted); font-weight: 800; font-size: 20px;
    border: 1px solid var(--a-line);
}
.download-page .dl-platform-logo.is-text { background: linear-gradient(135deg, var(--a-accent-soft), var(--a-accent)); color: var(--a-on-accent); }
.download-page .dl-platform-meta { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.download-page .dl-platform-name { color: var(--a-ink); font-size: 16px; font-weight: 750; }
.download-page .dl-platform-hint { color: var(--a-muted); font-size: 12px; margin-top: 2px; }
.download-page .dl-back {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px; border-radius: 999px;
    background: var(--a-surface-2); color: var(--a-muted);
    text-decoration: none; font-size: 13px; transition: all .2s;
    border: 1px solid var(--a-line);
}
.download-page .dl-back:hover { color: var(--a-ink); background: var(--a-accent-soft); border-color: var(--a-accent); }

/* 主体 grid */
.download-page .dl-main {
    display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 24px; padding: 24px;
    border: 1px solid var(--a-line); border-radius: var(--a-radius);
    background: var(--a-surface); box-shadow: var(--a-shadow);
}

/* 左侧封面 */
.download-page .dl-cover {
    position: relative; aspect-ratio: 4/3;
    border-radius: 12px; overflow: hidden;
    background: linear-gradient(135deg, color-mix(in srgb, var(--a-accent) 12%, var(--a-surface-2)), var(--a-surface-2));
    border: 1px solid var(--a-line);
    display: grid; place-items: center;
}
.download-page .dl-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.download-page .dl-cover-fallback {
    position: absolute; inset: 0; display: grid; place-items: center;
    color: var(--a-faint); font-size: 48px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--a-accent) 14%, transparent), transparent 60%),
                radial-gradient(circle at 70% 30%, color-mix(in srgb, var(--a-accent) 16%, transparent), transparent 70%);
}
.download-page .dl-cover-fallback i { opacity: .55; }
.download-page .dl-cover.is-error { aspect-ratio: 1; background: color-mix(in srgb, var(--a-danger) 10%, var(--a-surface-2)); }
.download-page .dl-cover-fallback.is-error { display: grid; color: var(--a-danger); }
.download-page .dl-pill.is-error { background: color-mix(in srgb, var(--a-danger) 12%, var(--a-surface)); color: var(--a-danger); }
.download-page .dl-go.is-accent { background: linear-gradient(135deg, var(--a-accent), color-mix(in srgb, var(--a-accent) 75%, #000)); }

/* 右侧信息 */
.download-page .dl-info { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.download-page .dl-eyebrow {
    display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap;
    color: var(--a-muted); font-size: 12.5px;
}
.download-page .dl-pill {
    display: inline-flex; align-items: center;
    padding: 3px 10px; border-radius: 999px;
    background: var(--a-accent-soft); color: var(--a-accent);
    font-size: 12px; font-weight: 650; letter-spacing: .02em;
}
.download-page .dl-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--a-faint); display: inline-block; }
.download-page .dl-time { color: var(--a-muted); }

.download-page .dl-title {
    margin: 0; color: var(--a-ink);
    font-size: 22px; font-weight: 780; line-height: 1.35; letter-spacing: -.01em;
    word-break: break-word;
}

.download-page .dl-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--a-muted); font-size: 13px; }
.download-page .dl-meta-item { display: inline-flex; align-items: center; gap: 5px; }
.download-page .dl-meta-item i { color: var(--a-faint); }
.download-page .dl-meta-item strong { color: var(--a-ink); font-weight: 700; }

/* 安全提示 */
.download-page .dl-warn {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; border-radius: 10px;
    background: color-mix(in srgb, var(--a-accent) 6%, var(--a-surface));
    border: 1px solid color-mix(in srgb, var(--a-accent) 18%, var(--a-line));
    color: var(--a-text); font-size: 12.5px; line-height: 1.55;
}
.download-page .dl-warn i { color: var(--a-accent); flex: 0 0 auto; }
.download-page .dl-warn strong { color: var(--a-ink); }

/* 跳转大按钮 */
.download-page .dl-go {
    position: relative;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    padding: 16px 22px; margin-top: 4px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--a-accent), color-mix(in srgb, var(--a-accent) 70%, #000 30%));
    color: var(--a-on-accent); text-decoration: none;
    font-size: 16px; font-weight: 720;
    box-shadow: 0 6px 22px -8px color-mix(in srgb, var(--a-accent) 60%, transparent),
                0 2px 6px -2px color-mix(in srgb, var(--a-accent) 30%, transparent);
    transition: transform .15s, box-shadow .2s, filter .15s;
    overflow: hidden;
}
.download-page .dl-go::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, color-mix(in srgb, #fff 28%, transparent) 50%, transparent 70%);
    transform: translateX(-100%); transition: transform .8s;
}
.download-page .dl-go:hover { transform: translateY(-1px); box-shadow: 0 10px 28px -8px color-mix(in srgb, var(--a-accent) 70%, transparent), 0 4px 10px -2px color-mix(in srgb, var(--a-accent) 40%, transparent); filter: brightness(1.05); }
.download-page .dl-go:hover::before { transform: translateX(100%); }
.download-page .dl-go:active { transform: translateY(0); }
.download-page .dl-go.is-done { background: color-mix(in srgb, var(--a-success) 70%, var(--a-accent)); }
.download-page .dl-go-icon { display: inline-flex; }
.download-page .dl-go-text { letter-spacing: .02em; }
.download-page .dl-go-name { font-weight: 800; }
.download-page .dl-go-count {
    display: inline-grid; place-items: center;
    min-width: 26px; height: 26px; padding: 0 8px;
    border-radius: 999px; background: rgba(255,255,255,.22);
    font-size: 13px; font-weight: 700;
    margin-left: 2px;
}

/* 取消按钮 */
.download-page .dl-cancel { text-align: center; margin-top: -4px; }
.download-page .dl-cancel-btn {
    border: 0; background: transparent; cursor: pointer;
    color: var(--a-muted); font-size: 12.5px;
    padding: 4px 10px; border-radius: 8px;
    transition: color .15s, background .15s;
}
.download-page .dl-cancel-btn:hover { color: var(--a-ink); background: var(--a-surface-2); }

/* 操作按钮组 */
.download-page .dl-actions {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 4px;
}
.download-page .dl-action {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 12px; border-radius: 10px;
    background: var(--a-surface-2); color: var(--a-text);
    border: 1px solid var(--a-line); text-decoration: none;
    font-size: 13px; cursor: pointer; transition: all .15s;
    min-height: 38px;
}
.download-page .dl-action:hover { color: var(--a-accent); border-color: var(--a-accent); background: var(--a-accent-soft); }
.download-page .dl-action i { font-size: 13px; }

/* 弹层（共用） */
.download-page .dl-qr-mask {
    position: fixed; inset: 0; z-index: 100;
    display: none; align-items: center; justify-content: center;
    background: color-mix(in srgb, #000 55%, transparent);
    backdrop-filter: blur(6px);
    padding: 24px;
}
.download-page .dl-qr-mask.is-show { display: flex; }
.download-page .dl-qr-card {
    position: relative; width: min(340px, 100%);
    background: var(--a-surface); color: var(--a-text);
    border-radius: 16px; padding: 28px 24px 22px;
    border: 1px solid var(--a-line); box-shadow: 0 18px 60px -20px rgba(0,0,0,.4);
    text-align: center;
}
.download-page .dl-qr-card h3 { margin: 0 0 16px; font-size: 16px; color: var(--a-ink); font-weight: 700; }
.download-page .dl-qr-close {
    position: absolute; top: 10px; right: 10px;
    width: 32px; height: 32px; padding: 0; border: 0; border-radius: 8px;
    background: var(--a-surface-2); color: var(--a-muted); cursor: pointer;
    display: grid; place-items: center;
}
.download-page .dl-qr-close:hover { color: var(--a-ink); background: var(--a-accent-soft); }
.download-page .dl-qr-box {
    display: inline-block; padding: 10px; border-radius: 10px;
    background: #fff; line-height: 0;
}
.download-page .dl-qr-box img, .download-page .dl-qr-box canvas { display: block; }
.download-page .dl-qr-hint { margin: 14px 0 0; color: var(--a-muted); font-size: 12.5px; line-height: 1.55; }

/* 举报 */
.download-page .dl-report-card { width: min(380px, 100%); text-align: left; }
.download-page .dl-report-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0 12px; }
.download-page .dl-report-options label {
    display: flex; align-items: center; gap: 6px;
    padding: 9px 12px; border-radius: 8px;
    border: 1px solid var(--a-line); background: var(--a-surface-2);
    color: var(--a-text); font-size: 13px; cursor: pointer;
    transition: all .15s;
}
.download-page .dl-report-options label:hover { border-color: var(--a-accent); }
.download-page .dl-report-options input { accent-color: var(--a-accent); }
.download-page .dl-report-options input:checked + span { color: var(--a-accent); font-weight: 650; }
.download-page .dl-report-options label:has(input:checked) { background: var(--a-accent-soft); border-color: var(--a-accent); }
.download-page #reportMemo {
    width: 100%; min-height: 72px; padding: 10px 12px;
    border-radius: 8px; border: 1px solid var(--a-line);
    background: var(--a-surface-2); color: var(--a-text);
    font-family: inherit; font-size: 13px; resize: vertical;
    box-sizing: border-box;
}
.download-page #reportMemo:focus { outline: none; border-color: var(--a-accent); }
.download-page .dl-report-submit {
    width: 100%; margin-top: 12px; padding: 11px;
    border: 0; border-radius: 10px; cursor: pointer;
    background: linear-gradient(135deg, var(--a-accent), color-mix(in srgb, var(--a-accent) 70%, #000 30%));
    color: var(--a-on-accent); font-size: 14px; font-weight: 650;
    transition: filter .15s, transform .15s;
}
.download-page .dl-report-submit:hover { filter: brightness(1.06); }
.download-page .dl-report-submit:active { transform: translateY(1px); }

/* Toast */
.download-page .dl-toast {
    position: fixed; left: 50%; bottom: calc(var(--a-bottom-nav-height) + 18px + env(safe-area-inset-bottom)); z-index: 2600;
    transform: translate(-50%, 20px);
    padding: 10px 18px; border-radius: 999px;
    background: var(--a-surface); color: var(--a-ink);
    border: 1px solid var(--a-line); box-shadow: var(--a-shadow);
    width: max-content; max-width: calc(100vw - 32px); box-sizing: border-box;
    font-size: 13.5px; line-height: 1.5; text-align: center; opacity: 0; pointer-events: none;
    transition: opacity .25s, transform .25s;
}
.download-page .dl-toast.is-show { opacity: 1; transform: translate(-50%, 0); }
.download-page .dl-toast.is-success { background: color-mix(in srgb, var(--a-success) 18%, var(--a-surface)); color: var(--a-success); border-color: color-mix(in srgb, var(--a-success) 35%, var(--a-line)); }
.download-page .dl-toast.is-error   { background: color-mix(in srgb, var(--a-danger)  18%, var(--a-surface)); color: var(--a-danger);  border-color: color-mix(in srgb, var(--a-danger)  35%, var(--a-line)); }

/* 单一页脚 */
.download-page .site-footer {
    margin: 24px auto 0; padding: 22px 0 28px;
    border-top: 1px solid var(--a-line);
    text-align: center; color: var(--a-muted); font-size: 13px;
}
.download-page .site-footer p { margin: 4px 0; }
.download-page .site-footer a { color: var(--a-muted); text-decoration: none; margin: 0 8px; }
.download-page .site-footer a:hover { color: var(--a-accent); }
.download-page .site-footer-icp a { margin: 0; }
.download-page .site-footer-links { opacity: .9; }

/* 回到顶部 */
.download-page > .back-to-top {
    position: fixed; right: 18px; bottom: 22px; z-index: 30;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--a-surface); color: var(--a-muted);
    border: 1px solid var(--a-line); box-shadow: var(--a-shadow);
    display: none; place-items: center; cursor: pointer;
}

/* 平板 */
@media (max-width: 820px) {
    .download-page .dl-main { grid-template-columns: 1fr; gap: 18px; padding: 18px; }
    .download-page .dl-cover { aspect-ratio: 16/9; max-height: 240px; }
    .download-page .dl-title { font-size: 19px; }
    .download-page .dl-actions { grid-template-columns: repeat(3, 1fr); }
}

/* 手机 */
@media (max-width: 560px) {
    .download-page > .container { padding-top: 18px; padding-bottom: 32px; }
    .download-page .dl-header { padding: 12px 14px; }
    .download-page .dl-platform-logo { width: 38px; height: 38px; flex-basis: 38px; font-size: 16px; }
    .download-page .dl-platform-name { font-size: 14.5px; }
    .download-page .dl-back { padding: 7px 11px; font-size: 12px; }
    .download-page .dl-main { padding: 14px; gap: 14px; }
    .download-page .dl-title { font-size: 17px; }
    .download-page .dl-go { padding: 14px 16px; font-size: 15px; }
    .download-page .dl-actions { grid-template-columns: 1fr 1fr 1fr; }
    .download-page .dl-action span { display: none; }
    .download-page .dl-action { padding: 10px 0; }
}