/* 餘燼裂隙 — 網站首頁（遊戲介紹頁 client/site/index.html，伺服器在 / 提供）的樣式。2026-10-09 登入畫面換新（C）。
 * 樣稿 C「簡潔分欄」：深色底 + 一點餘燼橘；左欄介紹（真的文字，搜尋引擎讀得到），右欄「開始遊戲」卡片（跟遊戲登入畫面的登入卡同一個位置、同寬）。
 * 標題用樣稿 A 的熔金字（漸層填字 + 熱光 + 偶爾掃過的高光；「減少動態效果」時全部停住）。
 * 字級：桌機最小 13px（--fs-small）；觸控裝置最小 14px。只用系統字型，不連外。
 */
:root {
  --font: "Microsoft JhengHei UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", "Heiti TC", sans-serif;
  --font-title: "Noto Serif TC", "Microsoft JhengHei", "PingFang TC", "PMingLiU", serif;

  --bg: #0b0e15;
  --card: #151b27;
  --card-2: #1a2130;
  --inset: #0d1119;
  --line: #262e40;
  --line-2: #354058;

  --text: #eef1f6;
  --dim: #b7bfcf;
  --mute: #949db1;

  --ember: #ff8a3d;
  --ember-2: #ff6b22;
  --ember-hi: #ffc58f;
  --ember-ink: #1f1006;
  --ember-glow: rgba(255, 122, 47, 0.16);
  --focus: #8cc8ff;

  --fs-small: 13px;
  --radius: 14px;
  --radius-sm: 10px;
  --side: 420px;
  --topbar: 68px;
  --pad-x: 48px;

  color-scheme: dark;
}
/* 觸控裝置（手機、平板）：最小字級 14px */
@media (pointer: coarse) { :root { --fs-small: 14px; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 520px at 12% -8%, rgba(255, 138, 61, 0.07), transparent 70%), var(--bg);
  color: var(--text);
  font: 16px/1.7 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
.px { image-rendering: pixelated; }
a { color: var(--ember-hi); text-underline-offset: 3px; }
a:hover { color: #ffd9b3; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.nw { white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 10px 16px; background: var(--card-2); color: var(--text); border-radius: 8px; }
.skip:focus { top: 12px; }
.wrap { max-width: 1480px; margin: 0 auto; padding: 0 var(--pad-x); }

/* ── 頂列 ── */
.topbar {
  position: sticky; top: 0; z-index: 20; height: var(--topbar);
  background: rgba(11, 14, 21, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.topbar .wrap { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; min-height: 44px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: 0.08em; }
.brand-en { font-size: var(--fs-small); font-weight: 600; letter-spacing: 0.32em; color: var(--mute); }
.topnav { margin-left: auto; display: flex; gap: 4px; }
.topnav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; color: var(--dim); text-decoration: none; font-size: 15px; border-radius: 8px; }
.topnav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }

/* ── 按鈕 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px;
  font: inherit; font-size: 16px; font-weight: 700; letter-spacing: 0.06em;
  border-radius: var(--radius-sm); border: 1px solid transparent; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn-primary {
  color: var(--ember-ink); background: linear-gradient(180deg, #ffa25a, var(--ember) 55%, var(--ember-2));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 8px 22px rgba(255, 107, 34, 0.22);
}
.btn-primary:hover { color: var(--ember-ink); filter: brightness(1.06); }
.btn-xl { min-height: 58px; font-size: 19px; padding: 0 30px; }
.btn-block { display: flex; width: 100%; }

/* ── 卡片 ── */
.card { position: relative; background: linear-gradient(180deg, var(--card-2), var(--card)); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45); }
.card.accent::before {
  content: ""; position: absolute; left: 22px; right: 22px; top: -1px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--ember) 30%, var(--ember-hi) 50%, var(--ember) 70%, transparent);
}

/* ── 熔金標題（樣稿 A） ── */
.title-wrap { position: relative; display: block; width: fit-content; }
.title-wrap::before { /* 標題背後的熱光 */
  content: ""; position: absolute; left: -12%; right: -12%; top: -30%; bottom: -30%; pointer-events: none;
  background: radial-gradient(ellipse 50% 50% at 50% 55%, rgba(255, 120, 40, 0.28), transparent 70%);
  animation: lp-breathe 6s ease-in-out infinite;
}
.molten {
  position: relative; display: inline-block; margin: 0;
  font-family: var(--font-title); font-size: 72px; font-weight: 900; line-height: 1.08; letter-spacing: 0.14em; margin-right: -0.14em;
  /* 第一層 = 掃過去的高光（只動這一層的位置），第二層 = 熔金漸層 */
  background:
    linear-gradient(105deg, transparent 38%, rgba(255, 255, 240, 0.95) 49%, transparent 60%) 130% 0 / 260% 100% no-repeat,
    linear-gradient(180deg, #fffaf0 0%, #ffe8ae 20%, #ffc163 42%, #ff8a34 62%, #e0521f 80%, #8e2611 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 0.02em rgba(255, 220, 160, 0.9)) drop-shadow(0 0 0.22em rgba(255, 110, 40, 0.5)) drop-shadow(0 0.05em 0 #1a0604);
  animation: lp-glint 8s ease-in-out 1.5s infinite;
}
.title-sub {
  margin: 0.35em 0 0; font: 700 15px/1 var(--font); letter-spacing: 0.62em; margin-right: -0.62em;
  color: #e9c48c; opacity: 0.85; text-shadow: 0 0 12px rgba(255, 140, 60, 0.45);
}
@keyframes lp-breathe { 0%, 100% { opacity: 0.82; } 50% { opacity: 1; } }
@keyframes lp-glint { 0%, 50% { background-position: 130% 0, 0 0; } 80%, 100% { background-position: -30% 0, 0 0; } }
/* 高對比模式：漸層填字會變透明 → 改回一般文字色 */
@media (forced-colors: active) {
  .molten { background: none; color: CanvasText; -webkit-text-fill-color: CanvasText; filter: none; }
}

/* ── 介紹區 ── */
.eyebrow { display: flex; width: fit-content; align-items: center; gap: 10px; margin: 0 0 18px; font-size: 14px; font-weight: 600; letter-spacing: 0.08em; color: var(--ember-hi); }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.18); }
.lead { margin: 22px 0 0; max-width: 36em; font-size: 20px; line-height: 1.75; color: var(--dim); }
.lead strong { color: var(--text); font-weight: 700; }
.facts {
  list-style: none; margin: 30px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line); border-radius: var(--radius); background: rgba(21, 27, 39, 0.6);
}
.facts li { padding: 16px 20px; border-left: 1px solid var(--line); }
.facts li:first-child { border-left: 0; }
.facts b { display: block; font-size: 28px; line-height: 1.2; font-weight: 800; color: var(--ember-hi); font-variant-numeric: tabular-nums; }
.facts span { display: block; margin-top: 4px; font-size: 14px; line-height: 1.45; color: var(--mute); }

/* ── 版面：左欄內容 + 右欄「開始遊戲」卡片（寬螢幕時黏在畫面上） ── */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) var(--side); column-gap: 64px; align-items: start; padding-top: 56px; }
.hero { grid-column: 1; grid-row: 1; min-width: 0; }
.side { grid-column: 2; grid-row: 1 / span 2; position: sticky; top: calc(var(--topbar) + 28px); }
.more { grid-column: 1; grid-row: 2; min-width: 0; }

.start { padding: 30px 30px 26px; }
.start h2 { margin: 0; font-size: 24px; letter-spacing: 0.06em; }
.start .sub { margin: 6px 0 20px; color: var(--dim); font-size: 15px; }
.steps { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 14px; }
.steps li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; }
.steps .n { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 14px; font-weight: 800; color: var(--ember-hi); background: rgba(255, 138, 61, 0.12); border: 1px solid rgba(255, 138, 61, 0.35); }
.steps b { display: block; font-size: 15px; line-height: 1.5; }
.steps span { display: block; font-size: 14px; line-height: 1.5; color: var(--mute); }
.have { margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--dim); }
.req { margin: 12px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14px; }
.req dt { color: var(--mute); }
.req dd { margin: 0; color: var(--dim); }

/* ── 寵物展示：星塵小龍三個型態 + 16 種的覺醒體 ── */
.showcase { margin: 32px 0 0; padding: 26px 28px 20px; overflow: hidden; }
.showcase::after { content: ""; position: absolute; left: 10%; right: 10%; bottom: -120px; height: 240px; pointer-events: none; background: radial-gradient(closest-side, var(--ember-glow), transparent); }
.showcase-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; position: relative; z-index: 1; }
.showcase-head h2 { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: 0.04em; }
.showcase-head .tag { font-size: var(--fs-small); color: var(--mute); }
.evo { position: relative; z-index: 1; display: flex; align-items: flex-end; justify-content: center; gap: 18px; margin: 14px 0 0; padding: 0; list-style: none; }
.evo li { display: flex; flex-direction: column; align-items: center; }
.evo .stage { position: relative; display: flex; align-items: flex-end; justify-content: center; }
.evo .stage::before { content: ""; position: absolute; left: 18%; right: 18%; bottom: 6%; height: 14%; border-radius: 50%; background: radial-gradient(closest-side, rgba(0, 0, 0, 0.55), transparent); }
.evo img { position: relative; }
.evo .f0 img { width: 128px; height: 128px; }
.evo .f1 img { width: 176px; height: 176px; }
.evo .f2 img { width: 192px; height: 192px; }
.evo .lbl { margin-top: 4px; text-align: center; font-size: 15px; font-weight: 700; line-height: 1.4; }
.evo .lbl small { display: block; font-size: var(--fs-small); font-weight: 400; color: var(--mute); }
.evo .arrow { align-self: center; margin-bottom: 40px; color: var(--mute); font-size: 26px; font-weight: 700; }
.showcase figcaption { position: relative; z-index: 1; margin-top: 10px; font-size: 14px; color: var(--mute); text-align: center; }
/* 一排 8 格（16 種 = 兩排一樣長；不會排成 12 + 4 這種長短排）；手機直拿一排 4 格 */
.strip {
  position: relative; z-index: 1; display: grid; grid-template-columns: repeat(8, max-content); justify-content: center; gap: 6px 8px;
  margin: 16px 0 0; padding: 12px 0 0; list-style: none; border-top: 1px solid var(--line);
}
/* 小圖：client/site/img/pets_awakened.png = 16 格 48×48 排一列（順序 = 遊戲資料 PET_IDS），--i = 第幾格 */
.thumb {
  --s: 1.25;
  width: calc(48px * var(--s)); height: calc(48px * var(--s));
  background: url(img/pets_awakened.png) no-repeat;
  background-size: calc(768px * var(--s)) calc(48px * var(--s));
  background-position: calc(var(--i) * -48px * var(--s)) 0;
}

/* ── 特色 / 更新 / 常見問題 ── */
section.block { margin-top: 88px; scroll-margin-top: calc(var(--topbar) + 24px); }
.block > h2 { margin: 0; font-size: 32px; letter-spacing: 0.06em; }
.block > .intro { margin: 8px 0 0; color: var(--dim); font-size: 17px; max-width: 46em; }
.features { margin-top: 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.feat { padding: 24px 24px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.feat-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.feat h3 { margin: 0; font-size: 20px; letter-spacing: 0.04em; }
.feat .stat { flex: none; font-size: 14px; font-weight: 700; color: var(--ember-hi); padding: 2px 10px; border-radius: 999px; background: rgba(255, 138, 61, 0.10); border: 1px solid rgba(255, 138, 61, 0.28); }
.feat p { margin: 10px 0 0; color: var(--dim); font-size: 16px; line-height: 1.75; }
.tags { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-size: var(--fs-small); line-height: 1; padding: 7px 10px; border-radius: 7px; background: var(--inset); border: 1px solid var(--line); color: var(--dim); }
.feat .pets { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 4px; margin-top: 12px; }
.feat .pets .thumb { --s: 1; }

.updates { list-style: none; margin: 24px 0 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.updates li { display: grid; grid-template-columns: 112px 1fr; gap: 16px; padding: 14px 22px; border-top: 1px solid var(--line); }
.updates li:first-child { border-top: 0; }
.updates li > span:only-child { grid-column: 1 / -1; color: var(--dim); }
.updates time { color: var(--mute); font-variant-numeric: tabular-nums; font-size: 15px; }
.updates span { color: var(--text); font-size: 16px; }

.faq { margin: 24px 0 0; display: grid; gap: 12px; }
.faq div { padding: 18px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.faq dt { font-weight: 700; font-size: 17px; }
.faq dd { margin: 6px 0 0; color: var(--dim); }

.band { margin-top: 72px; padding: 28px 30px; display: flex; align-items: center; gap: 24px; justify-content: space-between; flex-wrap: wrap; }
.band p { margin: 0; font-size: 20px; font-weight: 700; }
.band small { display: block; font-size: 15px; font-weight: 400; color: var(--dim); }

.foot { margin-top: 96px; border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--mute); font-size: 14px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }
.foot nav { display: flex; gap: 4px 18px; flex-wrap: wrap; }
.foot a { color: var(--dim); text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; }
.foot a:hover { color: var(--text); text-decoration: underline; }
.foot .right { margin-left: auto; }

/* ── 小一點的桌機 ── */
@media (max-width: 1480px) {
  :root { --side: 400px; --pad-x: 40px; }
  .molten { font-size: 60px; }
  .lead { font-size: 18px; }
  .facts b { font-size: 24px; }
  .layout { column-gap: 48px; padding-top: 44px; }
  .start { padding: 26px 26px 22px; }
  .evo .f0 img { width: 96px; height: 96px; }
  .evo .f1 img { width: 132px; height: 132px; }
  .evo .f2 img { width: 144px; height: 144px; }
}

/* ── 平板、手機橫拿（寬 ≤ 960）：右卡只在第一屏（不黏著），往下的內容用整個寬度 ── */
@media (max-width: 960px) {
  :root { --side: 300px; --pad-x: 20px; --topbar: 52px; }
  .topbar { position: static; }
  .brand img { width: 30px; height: 30px; }
  .brand-name { font-size: 17px; }
  .brand-en { display: none; }
  .topnav a { padding: 0 10px; font-size: 14px; }
  .layout { column-gap: 22px; padding-top: 20px; }
  .side { grid-row: 1; position: static; }
  .more { grid-column: 1 / -1; }
  .molten { font-size: 40px; }
  .title-sub { font-size: var(--fs-small); }
  .eyebrow { font-size: var(--fs-small); margin-bottom: 10px; }
  .lead { font-size: 15px; margin-top: 12px; line-height: 1.7; }
  .facts { margin-top: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts li { padding: 10px 14px; }
  .facts li:nth-child(3) { border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .facts b { font-size: 20px; }
  .facts span { font-size: var(--fs-small); }
  .start { padding: 18px 18px 16px; }
  .start h2 { font-size: 19px; }
  .start .sub { font-size: var(--fs-small); margin: 2px 0 12px; }
  .btn-xl { min-height: 52px; font-size: 17px; }
  .steps { margin-top: 12px; gap: 8px; }
  .steps li { grid-template-columns: 24px 1fr; gap: 8px; }
  .steps .n { width: 24px; height: 24px; font-size: var(--fs-small); }
  .steps b { font-size: 14px; }
  .steps span { font-size: var(--fs-small); }
  .have { margin-top: 10px; padding-top: 10px; font-size: var(--fs-small); }
  .req { display: none; }
  .showcase { margin-top: 24px; padding: 16px 16px 12px; }
  .showcase-head h2 { font-size: 16px; }
  .evo { gap: 10px; }
  .evo .f0 img { width: 64px; height: 64px; }
  .evo .f1 img { width: 88px; height: 88px; }
  .evo .f2 img { width: 96px; height: 96px; }
  .evo .arrow { font-size: 18px; margin-bottom: 24px; }
  .evo .lbl { font-size: 14px; }
  .showcase figcaption { font-size: var(--fs-small); }
  .strip .thumb { --s: 1; }
  section.block { margin-top: 48px; }
  .block > h2 { font-size: 22px; }
  .block > .intro { font-size: 15px; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
  .feat { padding: 16px 16px 14px; }
  .feat h3 { font-size: 17px; }
  .feat p { font-size: 15px; }
  .updates li { grid-template-columns: 1fr; gap: 0; padding: 10px 14px; }
  .updates time { font-size: var(--fs-small); }
  .updates span { font-size: 15px; }
  .faq dt { font-size: 16px; }
  .faq dd { font-size: 15px; }
  .band { margin-top: 40px; padding: 18px; }
  .band p { font-size: 17px; }
  .foot { margin-top: 48px; }
  .foot .right { margin-left: 0; }
}
/* 手機橫拿的高度只有 390 左右：右卡整張放得進第一屏 → 步驟只留粗體那一行 */
@media (max-width: 960px) and (max-height: 520px) {
  .steps span, .have { display: none; }
  .steps { gap: 6px; }
  .steps li { align-items: center; }
  .eyebrow { display: none; }
}
/* 手機直拿：一欄，卡片接在大標題後面 */
@media (max-width: 640px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .hero, .side, .more { grid-column: 1; grid-row: auto; }
  .side { margin-top: 18px; }
  .topnav { display: none; }
  .req { display: grid; }
  .features { grid-template-columns: 1fr; }
  .strip { grid-template-columns: repeat(4, max-content); }
}
/* 觸控：可以按的東西至少 44px 高 */
@media (pointer: coarse) {
  .btn { min-height: 48px; }
}
/* 減少動態效果：熔金標題的熱光、高光都停住 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* 2026-10-27 隱私權政策 / 服務條款（client/site/privacy.html、terms.html；server/http.js SITE_PAGES）：一欄文字、好讀的行寬 */
.legal { max-width: 860px; padding-top: clamp(24px, 5vw, 40px); line-height: 1.8; color: var(--dim); }
.legal h1 { margin: 0 0 6px; font-family: var(--font-title); font-size: clamp(26px, 6vw, 32px); color: var(--text); letter-spacing: 0.04em; }
.legal h2 { margin: 40px 0 10px; font-size: 21px; color: var(--ember-hi); scroll-margin-top: calc(var(--topbar) + 24px); }
.legal h3 { margin: 20px 0 6px; font-size: 17px; color: var(--text); }
.legal p, .legal li { font-size: 16px; }
.legal ul, .legal ol { padding-left: 1.4em; }
.legal li { margin: 6px 0; }
.legal b { color: var(--text); }
.legal a { color: var(--ember-hi); }
.legal-date { color: var(--mute); font-size: var(--fs-small); margin: 0 0 20px; }