/* 客服中心（P0-06 第 5 項；2026-10-03 改版成「說明中心」的版型）。
   刻意不引入框架：與站上其他頁面一致（本專案沒有前端建置）。

   版型照專業線上客服的慣例走：**先自助、再聯絡**——
     搜尋（大標＋搜尋框＋熱門問題）→ 依主題瀏覽 → 常見問題 → 還是需要協助（助理／案件／申訴）。
   顏色一律用 `css/themes.css` 的 `--site-*`：與首頁、教學頁同一套水墨主題，玩家選了別的主題也跟著換。 */

html:has(body.support-page), body.support-page { height: auto; overflow: auto; }
/* `style.css` 把 html 的底色設成遊戲桌面的深藍：捲動條的軌道與過捲區會露出來 */
html:has(body.support-page) { background: var(--site-bg-color, #f7f3e8); }
.support-page {
  margin: 0;
  background: var(--site-bg-color, #f7f3e8);
  color: var(--site-ink, #352f29);
  font-family: var(--font, "Noto Sans TC", system-ui, sans-serif);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.support-page *, .support-page *::before, .support-page *::after { box-sizing: border-box; }
/* `hidden` 一定要贏：`style.css` 有給遊戲用的 `#loading { display: grid; background: 深藍 }`，
   同一個 id 在這一頁是「載入中」卡片——那條規則蓋過了 `hidden`，正式站上它載入完還一直留著
   （改版前那塊永遠不消失的深藍框就是它）。 */
.support-page [hidden] { display: none !important; }
.support-page #loading { display: block; background: var(--site-dialog, #faf5e9); color: var(--site-muted, #7b6c56); text-align: center; }
.support-page a { color: var(--site-primary-text, #203d59); }
.help-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---- 頂部列 ---- */
.help-topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--site-dialog, #faf5e9) 92%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 55%, transparent);
  backdrop-filter: blur(8px);
}
.help-topbar-inner { max-width: 1080px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 24px; }
.help-brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--site-heading, #19334c) !important; }
.help-brand [data-brand] { font: 900 22px/1 var(--site-display, "Noto Serif TC", serif); letter-spacing: .08em; }
.help-brand-sub { font-size: 14px; color: var(--site-muted, #7b6c56); padding-left: 10px; border-left: 1px solid var(--site-line, #c7aa76); }
.help-nav { display: flex; gap: 22px; margin-left: auto; }
.help-nav a { color: var(--site-ink, #352f29); text-decoration: none; font-size: 15px; }
.help-nav a:hover { color: var(--site-accent, #bd8b43); }
#account-open {
  margin: 0; padding: 8px 18px; border-radius: 999px; cursor: pointer;
  background: var(--site-primary, #203d59); color: var(--site-primary-ink, #fff5db);
  border: 0; font: 700 14px/1.2 inherit; font-family: inherit;
}
#account-open:hover { filter: brightness(1.12); }

/* ---- 搜尋區 ---- */
.help-hero {
  border-bottom: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 45%, transparent);
  background:
    radial-gradient(1200px 320px at 85% -40%, color-mix(in srgb, var(--site-accent, #bd8b43) 18%, transparent), transparent 70%),
    linear-gradient(180deg, color-mix(in srgb, var(--site-dialog, #faf5e9) 70%, transparent), transparent);
}
.help-hero-inner { max-width: 760px; margin: 0 auto; padding: 56px 20px 44px; text-align: center; }
.help-eyebrow { margin: 0 0 6px; color: var(--site-accent, #bd8b43); font-weight: 700; letter-spacing: .2em; font-size: 13px; }
.help-hero h1 { margin: 0; font: 900 clamp(30px, 5vw, 44px)/1.25 var(--site-display, "Noto Serif TC", serif); color: var(--site-heading, #19334c); letter-spacing: .06em; }
.help-lead { margin: 12px auto 28px; max-width: 36em; text-wrap: balance; color: var(--site-muted, #7b6c56); font-size: 16px; }

.help-search {
  position: relative; display: flex; align-items: center; gap: 8px;
  background: var(--site-input, #fffdf8);
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 85%, transparent);
  border-radius: 14px; padding: 6px 6px 6px 48px;
  box-shadow: 0 10px 30px var(--site-shadow, rgba(88, 69, 38, .12));
}
.help-search:focus-within { border-color: var(--site-primary, #203d59); box-shadow: 0 0 0 3px color-mix(in srgb, var(--site-primary, #203d59) 18%, transparent), 0 10px 30px var(--site-shadow, rgba(88, 69, 38, .12)); }
.help-search-icon { position: absolute; left: 18px; width: 20px; height: 20px; fill: none; stroke: var(--site-muted, #7b6c56); stroke-width: 2; stroke-linecap: round; }
.help-search input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--site-ink, #352f29);
  font: inherit; font-size: 17px; padding: 12px 0;
}
.help-search input::placeholder { color: color-mix(in srgb, var(--site-muted, #7b6c56) 75%, transparent); }
.help-search button { margin: 0; padding: 12px 22px; border-radius: 10px; }
.help-popular { margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px 10px; }
.help-popular-label { color: var(--site-muted, #7b6c56); font-size: 14px; }
.help-popular-list { display: contents; }
.help-popular-list button {
  margin: 0; padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 500;
  background: var(--site-paper, rgba(251, 247, 234, .92)); color: var(--site-ink, #352f29);
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 70%, transparent);
}
.help-popular-list button:hover { border-color: var(--site-accent, #bd8b43); color: var(--site-heading, #19334c); }

/* ---- 內容區 ---- */
.support-main { max-width: 1080px; margin: 0 auto; padding: 8px 20px 56px; }
.help-section { padding-top: 44px; scroll-margin-top: 72px; }
.help-section-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.help-section-title { margin: 0 0 16px; font: 900 24px/1.3 var(--site-display, "Noto Serif TC", serif); color: var(--site-heading, #19334c); letter-spacing: .04em; }
.help-text-button { margin: 0 !important; padding: 0 !important; background: none !important; color: var(--site-primary-text, #203d59) !important; font-weight: 500 !important; text-decoration: underline; }
.help-note { margin: 0 0 14px; padding: 10px 14px; border-radius: 10px; font-size: 14px; color: var(--site-muted, #7b6c56); background: color-mix(in srgb, var(--site-accent, #bd8b43) 10%, transparent); }

/* 主題卡：左上角一枚朱印（取主題名的第一個字），呼應水墨主題 */
.help-topics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.help-topic {
  margin: 0; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 14px; align-items: start;
  text-align: left; padding: 18px; border-radius: 14px; cursor: pointer; font: inherit; color: inherit;
  background: var(--site-paper, rgba(251, 247, 234, .92));
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 55%, transparent);
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.help-topic:hover, .help-topic[aria-pressed="true"] { border-color: var(--site-accent, #bd8b43); box-shadow: 0 8px 22px var(--site-shadow, rgba(88, 69, 38, .12)); transform: translateY(-1px); }
.help-topic[aria-pressed="true"] { background: color-mix(in srgb, var(--site-accent, #bd8b43) 10%, var(--site-paper, #fbf7ea)); }
.help-seal {
  grid-row: span 2; width: 40px; height: 40px; border-radius: 8px; display: grid; place-items: center;
  font: 900 20px/1 var(--site-display, "Noto Serif TC", serif);
  color: var(--site-danger, #a34535); border: 2px solid currentColor;
  background: color-mix(in srgb, var(--site-danger, #a34535) 7%, transparent);
}
.help-topic-name { font-weight: 700; font-size: 16px; color: var(--site-heading, #19334c); }
.help-topic-count { font-size: 13px; color: var(--site-muted, #7b6c56); }

/* 常見問題：手風琴 */
.help-faq { border-top: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 55%, transparent); }
.help-faq-group { margin: 22px 0 6px; font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--site-accent, #bd8b43); }
.help-faq-group:first-child { margin-top: 18px; }
.help-faq-item { border-bottom: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 45%, transparent); scroll-margin-top: 84px; }
.help-faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 12px;
  padding: 16px 4px; font-weight: 700; font-size: 16px; color: var(--site-heading, #19334c);
}
.help-faq-item summary::-webkit-details-marker { display: none; }
.help-faq-item summary::after {
  content: ""; margin-left: auto; flex: none; width: 10px; height: 10px;
  border-right: 2px solid var(--site-muted, #7b6c56); border-bottom: 2px solid var(--site-muted, #7b6c56);
  transform: rotate(45deg) translateY(-3px); transition: transform .15s;
}
.help-faq-item[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.help-faq-item summary:hover { color: var(--site-primary-text, #203d59); }
.help-faq-body { padding: 0 4px 18px; }
.help-faq-body p { margin: 0 0 10px; max-width: 46em; }
.help-faq-meta { font-size: 13px; color: var(--site-muted, #7b6c56); }
.help-faq-foot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 8px; font-size: 14px; color: var(--site-muted, #7b6c56); }
.help-faq-foot button { margin: 0; padding: 6px 14px; font-size: 14px; border-radius: 999px; background: none; color: var(--site-primary-text, #203d59); border: 1px solid currentColor; font-weight: 500; }
.help-empty { padding: 28px 18px; text-align: center; border: 1px dashed var(--site-line, #c7aa76); border-radius: 14px; margin-top: 16px; }
.help-empty p { margin: 0 0 12px; color: var(--site-muted, #7b6c56); }
.help-empty button { margin: 0; }

/* 還是需要協助：三個選項 */
.help-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.help-option {
  margin: 0; position: relative; text-align: left; padding: 20px; border-radius: 14px; cursor: pointer;
  display: flex; flex-direction: column; gap: 6px; font: inherit; color: inherit;
  background: var(--site-paper, rgba(251, 247, 234, .92));
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 55%, transparent);
}
.help-option:hover, .help-option[aria-current="true"] { border-color: var(--site-primary, #203d59); box-shadow: 0 8px 22px var(--site-shadow, rgba(88, 69, 38, .12)); }
.help-option-title { font-weight: 700; font-size: 17px; color: var(--site-heading, #19334c); }
.help-option-text { font-size: 14px; color: var(--site-muted, #7b6c56); }
.help-option-tag { position: absolute; top: 14px; right: 14px; font-size: 12px; padding: 2px 8px; border-radius: 999px; color: var(--site-muted, #7b6c56); border: 1px solid var(--site-line, #c7aa76); }

/* ---- 服務面板（助理、案件、申訴、通知）：沿用原本的節點，只換外觀 ---- */
.support-card {
  background: var(--site-dialog, #faf5e9);
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 55%, transparent);
  border-radius: 14px; padding: 22px 24px 24px; margin: 0 0 14px;
  box-shadow: 0 6px 20px var(--site-shadow, rgba(88, 69, 38, .08));
}
.support-card h2 { margin: 0 0 12px; font: 900 19px/1.4 var(--site-display, "Noto Serif TC", serif); color: var(--site-heading, #19334c); }
.support-card h2 + .support-muted { margin-top: -4px; }
.support-signin { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.support-signin p { margin: 0; color: var(--site-muted, #7b6c56); }
.support-signin button { flex: none; }

.support-tabs {
  display: flex; gap: 4px; margin: 0 0 -1px; padding: 0 8px; overflow-x: auto;
  border-bottom: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 55%, transparent);
}
.support-tabs + .support-card, #panel > .support-card { border-top-left-radius: 0; border-top-right-radius: 0; }
.support-tab {
  margin: 0; padding: 12px 16px; border: 0; border-bottom: 3px solid transparent; border-radius: 0;
  background: none; color: var(--site-muted, #7b6c56); font: inherit; font-weight: 700; cursor: pointer; white-space: nowrap;
}
.support-tab:hover { color: var(--site-heading, #19334c); }
.support-tab[aria-selected="true"] { color: var(--site-heading, #19334c); border-bottom-color: var(--site-accent, #bd8b43); }
.support-badge { display: inline-block; min-width: 1.4em; padding: 0 .35em; margin-left: 4px; border-radius: 999px; background: var(--site-danger, #a34535); color: #fff; font-size: 12px; line-height: 1.5; text-align: center; }

/* 表單 */
:where(.support-page) label { display: block; margin: 16px 0 6px; font-size: 14px; font-weight: 700; color: var(--site-ink, #352f29); }
:where(.support-page) :is(input:not([type="file"]):not([type="search"]), select, textarea) {
  width: 100%; padding: 11px 13px; font: inherit; font-size: 15px; color: var(--site-ink, #352f29);
  background: var(--site-input, #fffdf8);
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 80%, transparent); border-radius: 10px;
}
:where(.support-page) :is(input, select, textarea):focus {
  outline: 0; border-color: var(--site-primary, #203d59);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--site-primary, #203d59) 15%, transparent);
}
:where(.support-page) input[type="file"] { font: inherit; font-size: 14px; color: var(--site-muted, #7b6c56); }
:where(.support-page) textarea { resize: vertical; }

/* 按鈕：主要＝深藍實心；其餘在各自的區塊裡覆寫 */
:where(.support-page) button {
  margin-top: 16px; padding: 10px 20px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--site-primary, #203d59); color: var(--site-primary-ink, #fff5db);
  font: inherit; font-weight: 700; font-size: 15px;
}
:where(.support-page) button:hover { filter: brightness(1.1); }
:where(.support-page) button[disabled] { opacity: .55; cursor: progress; filter: none; }
.support-page button:focus-visible, .support-page a:focus-visible, .help-faq-item summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--site-accent, #bd8b43) 70%, transparent); outline-offset: 2px; }
.support-buttons { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.support-buttons button + button { background: none; color: var(--site-primary-text, #203d59); box-shadow: inset 0 0 0 1px currentColor; }
button.support-link { background: none; color: var(--site-primary-text, #203d59); font-weight: 500; text-decoration: underline; padding: 0; margin: 0 0 12px; }

/* 清單與案件 */
.support-list { list-style: none; margin: 0; padding: 0; }
.support-list li { border-top: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 45%, transparent); padding: 14px 2px; }
.support-list li:first-child { border-top: 0; }
.support-list .support-item-button { background: none; border: 0; color: inherit; text-align: left; padding: 0; margin: 0; width: 100%; font: inherit; font-weight: 400; }
.support-list .support-item-button:hover .support-item-title { color: var(--site-primary-text, #203d59); text-decoration: underline; }
.support-item-title { font-weight: 700; color: var(--site-heading, #19334c); }
.support-meta { color: var(--site-muted, #7b6c56); font-size: 14px; margin: 0 0 14px; }
.support-status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--site-secondary, #377269); background: color-mix(in srgb, var(--site-secondary, #377269) 12%, transparent); }
.support-unread { font-weight: 700; }
.support-muted { color: var(--site-muted, #7b6c56); }

.support-progress { list-style: none; margin: 0 0 18px; padding: 0 0 0 18px; border-left: 2px solid color-mix(in srgb, var(--site-line, #c7aa76) 60%, transparent); color: var(--site-muted, #7b6c56); font-size: 14px; }
.support-progress li { margin: 6px 0; position: relative; }
.support-progress li::before { content: ""; position: absolute; left: -24px; top: .55em; width: 8px; height: 8px; border-radius: 50%; background: var(--site-accent, #bd8b43); }

.support-thread { display: flex; flex-direction: column; gap: 10px; margin: 14px 0 18px; }
.support-bubble { border-radius: 14px; padding: 10px 14px; max-width: 82%; border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 45%, transparent); }
.support-bubble.me { align-self: flex-end; background: color-mix(in srgb, var(--site-primary, #203d59) 9%, var(--site-input, #fffdf8)); }
.support-bubble.support { align-self: flex-start; background: var(--site-input, #fffdf8); }
.support-bubble .support-when { display: block; color: var(--site-muted, #7b6c56); font-size: 12px; margin-top: 4px; }

.support-actions { border-top: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 45%, transparent); padding-top: 6px; }

/* 附件：清單用文字連結（下載要帶 token，所以是按鈕不是 <a href>） */
.support-attachments { margin: 6px 0 12px; }
.support-attachments ul { list-style: none; margin: 0; padding: 0; }
.support-attachments li { display: flex; align-items: center; gap: 10px; padding: 4px 0; color: var(--site-muted, #7b6c56); font-size: 14px; }
.support-attachments button { margin: 0; padding: 4px 12px; font-size: 13px; }

.support-message { margin: 14px 0 0; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--site-line, #c7aa76); background: var(--site-dialog, #faf5e9); }
.support-message.error { border-color: var(--site-danger, #a34535); color: var(--site-danger, #a34535); background: color-mix(in srgb, var(--site-danger, #a34535) 7%, var(--site-dialog, #faf5e9)); }
.support-message.ok { border-color: var(--site-secondary, #377269); color: var(--site-secondary, #377269); background: color-mix(in srgb, var(--site-secondary, #377269) 8%, var(--site-dialog, #faf5e9)); }

/* ---- 客服助理（P4-05 第一刀）：對話氣泡，助理在左、玩家在右 ---- */
.support-chat {
  display: flex; flex-direction: column; gap: 12px; height: min(26rem, 55vh); overflow-y: auto;
  padding: 16px; margin: 6px 0 12px; border-radius: 12px;
  background: color-mix(in srgb, var(--site-bg-color, #f7f3e8) 70%, var(--site-input, #fffdf8));
  border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 40%, transparent);
}
.chat-turn { display: flex; flex-direction: column; gap: 6px; max-width: 85%; }
.chat-text { margin: 0; padding: 10px 14px; border-radius: 14px; white-space: pre-wrap; line-height: 1.6; font-size: 15px; }
.chat-assistant { align-self: flex-start; }
.chat-assistant .chat-text { background: var(--site-input, #fffdf8); border: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 50%, transparent); border-top-left-radius: 4px; }
.chat-user { align-self: flex-end; }
.chat-user .chat-text { background: var(--site-primary, #203d59); color: var(--site-primary-ink, #fff5db); border-top-right-radius: 4px; }
.chat-typing { color: var(--site-muted, #7b6c56); font-style: italic; padding: 2px 4px; }
.chat-sources { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 12px; color: var(--site-muted, #7b6c56); padding-left: 4px; }
.chat-sources-title { font-weight: 700; }
.chat-source a { color: inherit; }
.chat-handoff { margin-top: 2px; }
.support-page .chat-handoff-button { margin: 0; padding: 6px 14px; font-size: 14px; font-weight: 500; border-radius: 999px; background: none; color: var(--site-primary-text, #203d59); box-shadow: inset 0 0 0 1px currentColor; }
.support-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 4px; }
.support-page .support-chip { margin: 0; padding: 6px 12px; font-size: 13px; font-weight: 500; border-radius: 999px; background: none; color: var(--site-ink, #352f29); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--site-line, #c7aa76) 80%, transparent); }
.support-page .support-chip:hover { color: var(--site-heading, #19334c); box-shadow: inset 0 0 0 1px var(--site-accent, #bd8b43); }
.support-chat-form label { margin-top: 10px; }
.support-chat-form button { margin-top: 10px; }

.help-footer { border-top: 1px solid color-mix(in srgb, var(--site-line, #c7aa76) 45%, transparent); padding: 22px 20px 36px; text-align: center; color: var(--site-muted, #7b6c56); font-size: 13px; }
.help-footer p { margin: 0; }

@media (max-width: 960px) and (min-width: 761px) { .help-topics { grid-template-columns: repeat(2, 1fr); } }

/* ---- 窄螢幕 ---- */
@media (max-width: 760px) {
  .help-topbar-inner { gap: 12px; padding: 10px 16px; }
  .help-nav { display: none; }
  .help-brand { margin-right: auto; }
  .help-hero-inner { padding: 36px 16px 30px; }
  .help-search { padding-left: 42px; }
  .help-search-icon { left: 14px; }
  .help-search button { padding: 11px 14px; }
  .support-main { padding: 0 16px 40px; }
  .help-options { grid-template-columns: 1fr; }
  .help-topics { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .help-topic { padding: 14px 12px; column-gap: 10px; }
  .help-seal { width: 32px; height: 32px; font-size: 16px; }
  .help-topic-name { font-size: 15px; line-height: 1.35; }
  .support-card { padding: 18px 16px 20px; }
  .support-signin { flex-direction: column; align-items: stretch; }
  .chat-turn, .support-bubble { max-width: 94%; }
}