/* 版面：新聞網站式。頂部品牌列＋平台導覽；主欄放頭條與文章列表（或單篇文章），右側欄放即將截止與平台標籤。
   顏色取自「川」：深水青為品牌，琥珀只用在「領取」，紅色只用在快截止。全站不放廣告。 */
:root {
  --bg: #F1F5F4;
  --surface: #FFFFFF;
  --ink: #13282A;
  --muted: #586B6C;
  --line: #D6E0DE;
  --river: #0E6E73;
  --river-ink: #FFFFFF;
  --river-soft: #DDEEED;
  --claim: #F2A33A;
  --claim-ink: #2B1B02;
  --urgent: #B9442A;
  --warn-soft: #FCEBD2;
  --warn-ink: #7A4A06;
  --font-brand: "LXGW WenKai TC", "Kaiti TC", "BiauKai", "DFKai-SB", serif;
  --font-body: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-num: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1516; --surface: #122123; --ink: #E4EEEC; --muted: #93A8A8; --line: #24393B;
    --river: #5DBDBB; --river-ink: #072022; --river-soft: #15393B; --claim: #F5B14F; --claim-ink: #241600;
    --urgent: #F08467; --warn-soft: #3A2A12; --warn-ink: #F5C27A; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B1516; --surface: #122123; --ink: #E4EEEC; --muted: #93A8A8; --line: #24393B;
  --river: #5DBDBB; --river-ink: #072022; --river-soft: #15393B; --claim: #F5B14F; --claim-ink: #241600;
  --urgent: #F08467; --warn-soft: #3A2A12; --warn-ink: #F5C27A; color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.65; }
a { color: var(--river); }
h1, h2, h3 { text-wrap: balance; overflow-wrap: anywhere; }
:focus-visible { outline: 3px solid var(--river); outline-offset: 2px; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

/* ---------- 頂部 ---------- */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-in, .nav-in, .page, .footer-in { max-width: 1160px; margin: 0 auto; padding-inline: 16px; }
.topbar-in { display: flex; align-items: center; gap: 16px; padding-block: 10px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex: none; }
.logo span { font: 700 24px/1 var(--font-brand); letter-spacing: 0.05em; }
.search { margin-left: auto; flex: 0 1 300px; min-width: 0; }
.search input { width: 100%; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px; padding: 8px 14px; font: 14px var(--font-body); }
.nav { border-top: 1px solid var(--line); }
.nav-in { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.nav-in::-webkit-scrollbar { display: none; }
.nav a { flex: none; padding: 10px 14px; color: var(--muted); text-decoration: none; font-weight: 500; font-size: 14.5px; border-bottom: 3px solid transparent; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--river); border-bottom-color: var(--river); font-weight: 700; }

/* ---------- 版面 ---------- */
.page { padding-block: 20px 48px; display: grid; gap: 18px; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.main { min-width: 0; display: grid; gap: 22px; }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-bottom: 2px solid var(--ink); padding-bottom: 8px; }
.section-head h2 { margin: 0; font-size: 19px; }
.section-head .tools { display: flex; gap: 8px; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; color: var(--ink); padding: 6px 11px; font: 500 13.5px var(--font-body); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--river); color: var(--river-ink); }
.sort { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 8px; padding: 6px 8px; font: 13.5px var(--font-body); }

.overview { margin: 0; font-size: 15.5px; color: var(--muted); }
.overview strong { font-family: var(--font-num); color: var(--river); }
.overview .hot { color: var(--urgent); }

/* 封面（有圖用圖，沒圖用漸層＋名稱） */
.cover { position: relative; display: block; overflow: hidden; background: var(--river-soft); border-radius: var(--radius); aspect-ratio: 16 / 9; max-width: 100%; }
.cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover .fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 12px; text-align: center; font: 700 22px/1.3 var(--font-brand); color: #FFFFFF; text-shadow: 0 1px 2px rgba(0,0,0,.25); }
.badge { position: absolute; top: 10px; left: 10px; border-radius: 6px; padding: 2px 9px; font-size: 12.5px; font-weight: 700; background: var(--urgent); color: #FFFFFF; }

.cat { display: inline-block; font-size: 12.5px; font-weight: 700; color: var(--river); letter-spacing: 0.02em; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--muted); }
.meta .soon { color: var(--urgent); font-weight: 600; }

/* 頭條 */
.lead { position: relative; display: grid; gap: 12px; text-decoration: none; color: inherit; }
.lead h1 a { color: inherit; text-decoration: none; }
.lead h1 a::after { content: ""; position: absolute; inset: 0; }
.lead .cover .fallback { font-size: 34px; }
.lead h1 { margin: 0; font-size: 26px; line-height: 1.35; }
.lead p { margin: 0; color: var(--muted); }
.lead:hover h1 a, .item:hover h3, .mini:hover h3 { color: var(--river); }

/* 文章列表 */
.list { display: grid; gap: 0; }
.item { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 16px; padding-block: 16px; border-bottom: 1px solid var(--line); text-decoration: none; color: inherit; }
.item .cover { border-radius: 8px; }
.item .cover .fallback { font-size: 17px; }
.item-body { min-width: 0; display: grid; gap: 4px; align-content: start; }
.item h3 { margin: 0; font-size: 17.5px; line-height: 1.4; }
.item p { margin: 0; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); }

/* ---------- 側欄 ---------- */
.sidebar { display: grid; gap: 18px; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 112px); }
.side-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: grid; gap: 10px; }
.side-title { margin: 0; font-size: 16px; border-left: 4px solid var(--river); padding-left: 10px; line-height: 1.3; }
.ending-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; counter-reset: rank; }
.ending-list li { counter-increment: rank; }
.ending-list a { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 8px; padding: 8px 0; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.ending-list li:last-child a { border-bottom: 0; }
.ending-list a::before { content: counter(rank); font: 600 15px/1.5 var(--font-num); color: var(--river); }
.ending-list strong { display: block; font-weight: 500; font-size: 14.5px; line-height: 1.45; }
.ending-list a:hover strong { color: var(--river); }
.ending-list span { font-size: 12.5px; color: var(--muted); }
.ending-list .soon { color: var(--urgent); font-weight: 600; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; font-size: 13.5px; text-decoration: none; color: var(--ink); }
.tag-cloud a:hover { border-color: var(--river); color: var(--river); }
.tag-cloud .n { font-family: var(--font-num); font-size: 12px; color: var(--muted); margin-left: 4px; }
.subscribe p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---------- 文章頁 ---------- */
.crumbs { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--river); }
.article { display: grid; gap: 16px; }
.article h1 { margin: 0; font-size: 28px; line-height: 1.35; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags a { font-size: 13px; color: var(--river); text-decoration: none; background: var(--river-soft); border-radius: 6px; padding: 2px 9px; }
.article .cover .fallback { font-size: 36px; }

.infobox { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 16px; }
.infobox dl { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px 18px; }
.infobox dt { font-size: 12.5px; color: var(--muted); }
.infobox dd { margin: 0; font-weight: 700; font-size: 15.5px; }
.infobox .free { color: var(--river); }
.infobox .soon { color: var(--urgent); }
.claim { display: flex; justify-content: center; align-items: center; gap: 6px; text-decoration: none; background: var(--claim); color: var(--claim-ink); border-radius: 10px; padding: 12px; font-weight: 700; font-size: 16px; }
.claim:hover { filter: brightness(1.05); }

.prose { display: grid; gap: 12px; max-width: 68ch; }
.prose h2 { margin: 8px 0 0; font-size: 19px; }
.prose p { margin: 0; }
.prose ol { margin: 0; padding-left: 1.4em; display: grid; gap: 6px; }
.prose .note { font-size: 13px; color: var(--muted); }

.related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.mini { display: grid; gap: 8px; text-decoration: none; color: inherit; align-content: start; }
.mini .cover { border-radius: 8px; }
.mini .cover .fallback { font-size: 16px; }
.mini h3 { margin: 0; font-size: 15px; line-height: 1.45; }

/* ---------- 頁尾 ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); }
.footer-in { padding-block: 24px 32px; display: grid; gap: 8px; color: var(--muted); font-size: 13.5px; }
.footer-in p { margin: 0; }
.footer-in .logo span { font-size: 20px; }

/* ---------- 窄螢幕 ---------- */
@media (max-width: 960px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; }
}
@media (max-width: 600px) {
  .logo span { font-size: 21px; }
  .lead h1 { font-size: 22px; }
  .article h1 { font-size: 23px; }
  .item { grid-template-columns: 120px minmax(0, 1fr); gap: 12px; }
  .item .cover { aspect-ratio: 1 / 1; }
  .item .cover .fallback { font-size: 14px; }
  .item p { display: none; }
  .related { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: no-preference) {
  .cover img { transition: transform .3s ease; }
  .lead:hover .cover img, .item:hover .cover img, .mini:hover .cover img { transform: scale(1.03); }
}

/* ---------- 活動來源 ---------- */
.src { border-radius: 5px; padding: 0 7px; font-size: 12px; font-weight: 700; line-height: 1.7; }
.src-official { background: var(--river-soft); color: var(--river); }
.src-third, .src-code { background: var(--warn-soft); color: var(--warn-ink); }
.notice { display: grid; gap: 2px; background: var(--warn-soft); color: var(--warn-ink); border-radius: 10px; padding: 12px 14px; font-size: 14px; }
.notice strong { color: inherit; }

/* ---------- 我的平台 ---------- */
.nav-in { align-items: center; gap: 8px; padding-block: 9px; }
.nav-label { flex: none; font-size: 13px; font-weight: 700; color: var(--muted); margin-right: 2px; }
.plat { flex: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 5px 13px; font: 500 14px var(--font-body); cursor: pointer; }
.plat:hover { border-color: var(--river); color: var(--river); }
.plat[aria-pressed="true"] { background: var(--river); border-color: var(--river); color: var(--river-ink); }

.empty p { margin: 10px 0 0; }
.linkish { border: 0; background: none; color: var(--river); font: 700 14.5px var(--font-body); cursor: pointer; text-decoration: underline; }

/* ---------- 中文支援 ---------- */
.zh-tc { background: var(--river); color: var(--river-ink); }
.zh-sc { background: var(--warn-soft); color: var(--warn-ink); }
.zh-none { background: none; color: var(--muted); border: 1px solid var(--line); }
.zh-text.zh-tc, .zh-text.zh-sc, .zh-text.zh-none { background: none; border: 0; }
.zh-text.zh-tc { color: var(--river); }
.zh-text.zh-sc { color: var(--warn-ink); }
.zh-text.zh-none, .zh-text.zh-unknown { color: var(--muted); font-weight: 500; }
.en-title { margin: -8px 0 0; color: var(--muted); font-size: 15px; }
.orig summary { cursor: pointer; color: var(--muted); font-size: 14px; }
.orig p { color: var(--muted); }

/* ---------- 篩選區 ---------- */
.filters { display: grid; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.f-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.f-label { flex: none; width: 4.5em; font-size: 13px; font-weight: 700; color: var(--muted); }
.f-two { gap: 10px 24px; }
.f-sub { display: flex; align-items: center; gap: 10px; }
.seg .n { margin-left: 5px; font: 500 12px var(--font-num); opacity: .8; }
.seg button:disabled { cursor: default; opacity: .5; }
.src-dlc { background: none; color: var(--ink); border: 1px solid var(--line); }
@media (max-width: 600px) {
  .filters { padding: 12px; }
  .f-row { flex-wrap: nowrap; gap: 8px; }
  .f-label { width: 4em; }
  .f-row .seg { overflow-x: auto; scrollbar-width: none; }
  .f-row .seg button { flex: none; padding-inline: 9px; }
  .f-two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .f-two .f-label { width: auto; }
  .f-sub { gap: 6px; min-width: 0; }
  .f-sub .sort { min-width: 0; flex: 1; }
}

/* ---------- Epic 下週免費 ---------- */
.upcoming-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.upcoming-list a { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; align-items: center; text-decoration: none; color: var(--ink); }
.upcoming-list img, .upcoming-list .up-ph { width: 96px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 6px; background: var(--river-soft); display: block; }
.upcoming-list strong { display: block; font-weight: 500; font-size: 14.5px; line-height: 1.4; }
.upcoming-list a:hover strong { color: var(--river); }
.upcoming-list span { font-size: 12.5px; color: var(--muted); }

/* ---------- 卡片上的領取按鈕 ---------- */
.item { position: relative; }
.item h3 a { color: inherit; text-decoration: none; }
.item h3 a::after { content: ""; position: absolute; inset: 0; }
.item-foot { display: flex; align-items: center; justify-content: space-between; gap: 6px 12px; flex-wrap: wrap; }
.quick { position: relative; z-index: 1; flex: none; text-decoration: none; background: var(--claim); color: var(--claim-ink); border-radius: 8px; padding: 5px 14px; font-weight: 700; font-size: 14px; }
.quick:hover { filter: brightness(1.05); }

/* ---------- 手機版頭條縮小 ---------- */
@media (max-width: 600px) {
  .lead { gap: 8px; }
  .lead .cover { aspect-ratio: 2 / 1; }
  .lead h1 { font-size: 19px; }
  .lead > p { display: none; }
}

/* ---------- 回報、關於 ---------- */
.report { justify-self: center; font-size: 13.5px; color: var(--muted); }
.about h1 { margin: 0; font-size: 28px; }
.about .lede { font-size: 17px; color: var(--river); font-weight: 700; margin: 0; }
.about ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.about .claim { display: inline-flex; padding-inline: 20px; }

/* ---------- 獨立遊戲頁 ---------- */
a.plat { text-decoration: none; }
.notice.ended { margin-bottom: 4px; }

/* ---------- 載入資料前先留好位置，避免畫面跳動 ---------- */
.nav { min-height: 50px; }
.main { min-height: 100vh; align-content: start; }