/* 配色與元件取自 docs PDF 的 5 張設計圖：深海軍藍底、螢光綠強調、藍色等寬標籤、四角框線。 */
:root {
  --bg: #0b1424;
  --bg-alt: #0e1a2e;
  --panel: #111f36;
  --line: #24406a;
  --line-soft: #1a2e4d;
  --text: #eef3fb;
  --muted: #9fb1cc;
  --green: #8cf03c;
  --green-dim: #5fb52a;
  --blue: #5fb0f0;
  --warn: #ff5a36;
  --radius: 4px;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
/* 有設 display 的元素（例如 .reg-form 是 grid）會蓋掉瀏覽器預設的 [hidden]，這裡統一壓回去 */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--green); color: #000; padding: 8px 12px; }
.skip-link:focus { left: 8px; }

.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.wrap-narrow { width: min(820px, 100% - 32px); }

/* ── 頁首 ───────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 20, 36, .9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 900; letter-spacing: .02em; }
.brand-tag { font-family: var(--mono); font-size: 12px; color: var(--green); border: 1px solid var(--green-dim); padding: 1px 6px; }
.brand-name { font-size: 15px; }
.brand-name b { color: var(--green); }
.site-nav { display: flex; gap: 22px; margin-left: auto; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.site-nav a:hover { color: var(--text); }

/* ── 按鈕 ───────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 28px;
  border: 0; border-radius: var(--radius);
  font: inherit; font-weight: 800; letter-spacing: .04em;
  text-decoration: none; cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary { background: var(--green); color: #07120a; box-shadow: 0 0 24px rgba(140, 240, 60, .25); }
.btn-primary:hover { background: #a4ff5c; box-shadow: 0 0 32px rgba(140, 240, 60, .45); transform: translateY(-1px); }
.btn-primary:disabled { background: #4a6b33; color: #142010; box-shadow: none; cursor: progress; transform: none; }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; }

/* ── 主視覺 ─────────────────────────────────── */
.hero { background: #0a1322; }
.hero-img { width: 100%; max-width: 1600px; margin-inline: auto; }
.hero-bar { display: flex; justify-content: center; padding-block: 20px 28px; }
.accent { color: var(--green); text-shadow: 0 0 18px rgba(140, 240, 60, .4); }

/* ── 區塊 ───────────────────────────────────── */
.section { padding-block: 88px; }
.section-alt { background: var(--bg-alt); }
.eyebrow {
  display: inline-block; margin: 0 0 18px;
  font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: .14em;
  color: var(--green); border: 1px solid var(--green-dim); background: rgba(140, 240, 60, .06);
  padding: 4px 12px;
}
.eyebrow span { color: var(--green-dim); margin: 0 6px; }
.section-title { margin: 0 0 20px; font-size: clamp(28px, 4.2vw, 44px); line-height: 1.3; font-weight: 900; }
.section-title em, .sub-title em { font-style: normal; color: var(--green); }
.sub-title { margin: 56px 0 20px; font-size: clamp(22px, 2.8vw, 30px); font-weight: 900; line-height: 1.35; }
.lead { max-width: 860px; color: var(--muted); font-size: 18px; margin: 0 0 40px; }
.lead strong { color: var(--text); }
.note { color: var(--muted); font-size: 14px; }
.hl { color: var(--green); font-weight: 700; border-bottom: 2px solid var(--green); }

/* 四角框線：設計圖上每張卡片的角標 */
.frame {
  position: relative;
  background: linear-gradient(180deg, rgba(17, 31, 54, .9), rgba(13, 24, 42, .9));
  border: 1px solid var(--line-soft);
  padding: 24px;
  --c: var(--blue);
}
.frame::before, .frame::after {
  content: ""; position: absolute; width: 12px; height: 12px; pointer-events: none;
  border-color: var(--c); border-style: solid;
}
.frame::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.frame::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.frame-green { --c: var(--green); border-color: rgba(140, 240, 60, .35); }

.label { margin: 0 0 8px; font-family: var(--mono); font-size: 13px; letter-spacing: .12em; color: var(--blue); display: flex; justify-content: space-between; gap: 12px; }
.idx { color: var(--line); }

/* 事實卡 */
.fact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fact-big { margin: 0; font-size: 30px; font-weight: 900; line-height: 1.2; }
.fact-big b { font-size: 96px; color: var(--green); text-shadow: 0 0 24px rgba(140, 240, 60, .45); margin-right: 10px; vertical-align: -10px; }
.fact-mid { margin: 4px 0; font-size: clamp(22px, 2.6vw, 30px); font-weight: 900; line-height: 1.35; }
.fact-em { margin: 6px 0 0; color: var(--green); font-weight: 800; font-size: 20px; }
.fact-date { margin: 8px 0 0; font-size: 72px; font-weight: 900; line-height: 1; color: var(--green); text-shadow: 0 0 24px rgba(140, 240, 60, .45); }
.hw-list { margin: 8px 0 0; display: grid; gap: 10px; }
.hw-list > div { display: grid; grid-template-columns: 110px 1fr; align-items: center; border: 1px solid var(--line-soft); background: rgba(8, 15, 28, .6); padding: 10px 16px; }
.hw-list dt { font-family: var(--mono); color: var(--blue); letter-spacing: .12em; font-size: 13px; }
.hw-list dd { margin: 0; font-weight: 800; font-size: 19px; line-height: 1.35; }
.hw-list small { display: block; color: var(--muted); font-weight: 600; font-size: 14px; }

.benefits { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.benefits h4 { margin: 0 0 8px; font-size: 19px; line-height: 1.45; }
.benefits p { margin: 0; color: var(--muted); }

/* 關卡 */
.levels-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.levels-flow { font-family: var(--mono); color: var(--muted); font-size: 13px; letter-spacing: .06em; margin: 0; }
.levels { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.level { display: flex; align-items: center; gap: 24px; }
.lv { font-weight: 900; color: var(--green); font-size: 28px; line-height: 1; min-width: 84px; border-right: 1px solid var(--line-soft); padding-right: 20px; }
.lv b { font-size: 72px; text-shadow: 0 0 20px rgba(140, 240, 60, .4); }
.level-task { margin: 0; font-size: 24px; font-weight: 900; line-height: 1.4; }
.level-task em { font-style: normal; color: var(--green); border-bottom: 3px solid var(--green); }
.level-max { --c: var(--warn); border-color: rgba(255, 90, 54, .4); }
.badge { background: var(--warn); color: #fff; font-size: 11px; padding: 1px 8px; letter-spacing: .1em; }
.rule-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.rule { margin: 0; font-size: 20px; font-weight: 800; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.rule em { font-style: normal; color: var(--green); }
.rule-warn { --c: var(--warn); border-color: rgba(255, 90, 54, .4); }
.rule-warn strong { color: var(--warn); }
.tag { font-family: var(--mono); font-size: 13px; letter-spacing: .12em; border: 1px solid var(--blue); color: var(--blue); padding: 2px 10px; }
.tag-warn { background: var(--warn); border-color: var(--warn); color: #fff; }
.tag-blue { margin-right: 12px; }

.spec-list { margin: 0; padding-left: 1.2em; display: grid; gap: 10px; font-size: 17px; }
.spec-list li::marker { color: var(--green); }

/* NVIDIA 與獎項 */
.support-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: center; }
.nv-word { margin: 16px 0; font-size: clamp(64px, 10vw, 128px); font-weight: 900; line-height: 1; letter-spacing: -.01em; text-shadow: 0 0 30px rgba(238, 243, 251, .15); }
.partner { margin: 0; font-size: clamp(22px, 2.6vw, 32px); font-weight: 900; display: flex; align-items: center; flex-wrap: wrap; }
.support-cards { display: grid; gap: 20px; }
.credit-title { margin: 0; font-size: 30px; font-weight: 900; }
.credit-title em { font-style: normal; color: var(--green); }
.credit-amount { margin: 0; font-size: clamp(56px, 9vw, 112px); font-weight: 900; line-height: 1.05; color: var(--green); text-shadow: 0 0 30px rgba(140, 240, 60, .45); letter-spacing: -.02em; }
.credit p:last-child { margin: 8px 0 0; font-size: 20px; font-weight: 700; }

.prize { margin-top: 56px; display: grid; grid-template-columns: 220px 1fr 1.2fr; gap: 32px; align-items: center; }
.prize-rank { margin: 8px 0 0; font-size: 72px; font-weight: 900; line-height: 1; text-shadow: 0 0 24px rgba(140, 240, 60, .4); }
.prize-rank small { display: block; font-family: var(--mono); font-size: 16px; color: var(--green); letter-spacing: .2em; margin-bottom: 8px; }
.prize img { border: 1px solid var(--line-soft); }
.prize-name { margin: 0; font-size: 28px; font-weight: 900; line-height: 1.3; }
.prize-value { margin: 6px 0 12px; font-size: 22px; font-weight: 800; }
.prize-value b { color: var(--green); font-size: 44px; }
.prize-body p:last-child { color: var(--muted); margin: 0; }

.first-round { margin-top: 32px; }

/* 時程 */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 140px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.timeline li { display: grid; grid-template-columns: 140px 1fr; gap: 32px; padding: 0 0 28px; position: relative; }
.timeline li::before { content: ""; position: absolute; left: 136px; top: 10px; width: 9px; height: 9px; background: var(--bg); border: 2px solid var(--blue); border-radius: 50%; }
.timeline time { font-family: var(--mono); font-weight: 700; color: var(--blue); font-size: 17px; padding-top: 2px; }
.timeline h3 { margin: 0; font-size: 20px; padding-left: 8px; }
.timeline p { margin: 4px 0 0; color: var(--muted); padding-left: 8px; overflow-wrap: anywhere; }
.tl-final time { color: var(--green); }
.tl-final::before { border-color: var(--green) !important; background: var(--green) !important; box-shadow: 0 0 12px var(--green); }
.tl-final h3 { color: var(--green); }

/* ── 表單 ───────────────────────────────────── */
.reg-form { display: grid; gap: 24px; }
fieldset.frame { margin: 0; min-width: 0; }
legend { padding: 0 8px; font-weight: 900; font-size: 19px; }
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 15px; }
.req { color: var(--warn); margin-left: 3px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-2 > .field { margin-bottom: 16px; }
.row-phone { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); }
input[type=text], input[type=email], input[type=tel], select {
  width: 100%; min-height: 46px; padding: 10px 12px;
  background: #0a1426; color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; font-size: 16px;
}
input:focus, select:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(140, 240, 60, .2); }
[aria-invalid=true] { border-color: var(--warn) !important; }
.error { margin: 6px 0 0; color: #ff8a6e; font-size: 14px; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.members { display: grid; gap: 0; }
.member { border-top: 1px dashed var(--line-soft); padding-top: 14px; }
.field-check label { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; }
.field-check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--green); flex: none; }
.notes { margin-top: 20px; border-top: 1px solid var(--line-soft); padding-top: 16px; font-size: 14px; color: var(--muted); }
.notes ol { margin: 0; padding-left: 1.4em; display: grid; gap: 6px; }
.form-status { margin: 0; padding: 14px 16px; border: 1px solid var(--warn); background: rgba(255, 90, 54, .1); color: #ffc2b3; }
.success:focus { outline: none; }
.success .serial { font-size: 18px; margin: 16px 0; }
.success .serial b { font-size: 40px; color: var(--green); margin-left: 8px; font-family: var(--mono); }
.next-step, .summary { border-top: 1px solid var(--line-soft); padding-top: 16px; }
.summary dl { margin: 0; display: grid; grid-template-columns: 9em 1fr; gap: 6px 16px; font-size: 15px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 760px) { .summary dl { grid-template-columns: 1fr; gap: 0; } .summary dd { margin-bottom: 8px; } }
.notice { text-align: center; }
/* 陷阱欄位：移出畫面而不是 display:none，機器人才會以為要填 */
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* ── 頁尾 ───────────────────────────────────── */
.site-footer { border-top: 1px solid var(--line-soft); padding-block: 40px; color: var(--muted); font-size: 14px; }
.footer-inner p { margin: 8px 0 0; }
.orgs { display: flex; gap: 40px; flex-wrap: wrap; margin: 0; }
.orgs dt { font-family: var(--mono); color: var(--blue); font-size: 12px; letter-spacing: .1em; }
.orgs dd { margin: 0; color: var(--text); font-weight: 700; font-size: 16px; }
.copy { opacity: .7; }

/* ── 響應式 ─────────────────────────────────── */
@media (max-width: 960px) {
  .support-grid { grid-template-columns: 1fr; gap: 24px; }
  .prize { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 760px) {
  .site-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .brand-name { font-size: 13px; }
  .section { padding-block: 56px; }
  .fact-grid, .benefits, .levels, .rule-row, .row-2 { grid-template-columns: 1fr; }
  .row-phone { grid-template-columns: 1fr; }
  .hero-bar .btn { width: 100%; }
  .fact-big b { font-size: 72px; }
  .hw-list > div { grid-template-columns: 1fr; gap: 2px; }
  .lv b { font-size: 56px; }
  .level { gap: 16px; }
  .level-task { font-size: 20px; }
  .timeline::before { left: 4px; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; padding-left: 24px; }
  .timeline li::before { left: 0; }
  .timeline h3, .timeline p { padding-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

/* ── 黑客松報名視窗 ─────────────────────────────
   取自上屆平台（ref）的多步驟報名視窗，流程與欄位照搬（主辦 2026-10-27：「全部跟機器人王國一樣」）。
   原本的青色換成本站的螢光綠；--cyan 只在視窗內使用。 */
.registration-dialog { --cyan: var(--green); }
.registration-dialog .button { border: 0; min-height: 46px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  border-radius: var(--radius); background: var(--green); color: #07120a; font-weight: 800; cursor: pointer; }
.registration-dialog .button:hover { background: #a4ff5c; }
.registration-dialog .button:disabled { background: #4a6b33; color: #142010; cursor: progress; }

.registration-dialog { width:min(960px,calc(100% - 30px));max-height:94vh;padding:0;border:1px solid rgba(140,240,60,.35);border-radius:10px;background:#07111d;color:white;box-shadow:0 30px 100px rgba(0,0,0,.7); }.registration-dialog::backdrop { background:rgba(0,4,10,.82);backdrop-filter:blur(8px); }.dialog-shell { padding:34px 40px 38px; }.dialog-head { display:flex;justify-content:space-between;align-items:start; }.dialog-head h2 { margin:3px 0 0;font-size:30px; }.dialog-kicker { color:var(--cyan);font:800 9px/1 monospace;letter-spacing:.18em; }/* 文字 × 在字體裡的上下留白不對稱,任何置中手段都會差幾個像素,
   改用幾何繪製的 SVG,中心點是算出來的。place-items 讓它在 38x38 內正中。 */
.icon-button { width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:transparent;color:white;font-size:26px;cursor:pointer;;display:grid;place-items:center;line-height:1; }.progress { margin:30px 0 40px;display:flex;align-items:center; }.progress > span { width:32px;height:32px;display:grid;place-items:center;border:1px solid #385069;border-radius:50%;color:#71859b;font:700 11px/1 monospace;position:relative; }.progress > span.active { background:var(--cyan);border-color:var(--cyan);color:#04121d;box-shadow:0 0 25px rgba(140,240,60,.25); }.progress span small { width:80px;position:absolute;top:40px;left:50%;transform:translateX(-50%);text-align:center;color:#71859b;font:10px/1.2 sans-serif; }.progress span.active small { color:#e6ffd0; }.progress i { flex:1;height:1px;background:#26394d; }
.form-step { display:none; }.form-step.active { display:block;animation:fade .25s ease; }.form-heading { margin-bottom:27px; }.form-heading span { color:var(--blue);font:800 9px/1 monospace;letter-spacing:.15em; }.form-heading h3 { margin:7px 0 2px;font-size:24px; }.form-heading p { margin:0;color:#8091a5;font-size:12px; }
.form-grid { display:grid;grid-template-columns:1fr 1fr;gap:18px; }.form-grid .span-2,.member-card .span-2 { grid-column:span 2; }.form-grid label,.member-card label { color:#aebac7;font-size:11px;font-weight:700;letter-spacing:.03em; }.form-grid input,.form-grid select,.form-grid textarea,.member-card input { width:100%;margin-top:7px;padding:12px 13px;border:1px solid #2a3e53;border-radius:4px;background:#0b1928;color:white;outline:none; }.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus,.member-card input:focus { border-color:var(--cyan);box-shadow:0 0 0 3px rgba(140,240,60,.12); }.form-grid input:disabled { color:#98a9bb;background:#101b27;border-color:#223347;cursor:not-allowed; }.form-grid textarea { min-height:90px;resize:vertical; }.char-count { float:right;color:#61748a;font-weight:400; }.field-note { display:block;margin-top:5px;color:#6f8399;font-weight:400;letter-spacing:0; }
.dialog-actions { margin-top:34px;padding-top:24px;display:flex;justify-content:flex-end;gap:12px;border-top:1px solid var(--line); }.secondary-button { min-height:44px;padding:0 18px;border:1px solid #33485f;border-radius:3px;background:transparent;color:#d4dde6;cursor:pointer; }.hidden { display:none!important; }.form-error { min-height:20px;margin-top:16px;color:#ff8b8b;font-size:12px; }
.member-list { display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px; }.member-card { margin:0;padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;border:1px solid #24394e;border-radius:5px;background:#091725; }.member-card legend { padding:0 8px;color:var(--cyan);font-size:11px;font-weight:800; }.remove-member { position:absolute;right:14px;top:-12px;border:0;background:#091725;color:#778a9e;font-size:10px;cursor:pointer; }.form-hint { color:#77899e;font-size:11px; }
.file-rule-box { padding:20px;border:1px solid #284158;background:#091928; }.file-rule-box strong { display:inline-block;color:var(--cyan);font:700 12px/1.4 monospace;word-break:break-all; }.copy-button { margin-left:12px;border:0;background:transparent;color:var(--green);font-size:10px;cursor:pointer; }.file-rule-box ul { margin:14px 0 0;padding:0;display:flex;gap:28px;list-style:none;color:#8092a6;font-size:10px; }.upload-zone { margin-top:18px;min-height:145px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #38627f;background:rgba(8,35,54,.5);cursor:pointer; }.upload-zone:hover { border-color:var(--cyan); }.upload-zone input { position:absolute;opacity:0;pointer-events:none; }.upload-zone strong { font-size:13px; }.upload-zone small { margin-top:4px;color:#71849a;font-size:10px; }.upload-icon { color:var(--cyan);font-size:28px; }.file-status { margin:12px 0;color:#8fa1b5;font-size:11px; }.file-status.error { color:#ff8888; }.form-grid label.hidden { display:none; }.form-grid label.check-field { display:flex;gap:11px;align-items:flex-start;padding:2px 0; }.form-grid label.check-field input { width:auto;margin:1px 0 0;padding:0;accent-color:var(--green);flex:none; }.form-grid label.check-field span { color:#c6d1dc;font-weight:600; }.file-status.warn { color:#ffb020; }.file-status.success { color:var(--green); }.consent { margin-top:20px;display:flex;gap:11px;align-items:flex-start;color:#99a9bb;font-size:11px; }.consent input { accent-color:var(--green); }
.success-view { padding:50px 0 20px;text-align:center; }.success-mark { width:70px;height:70px;margin:auto;display:grid;place-items:center;border-radius:50%;background:rgba(140,240,60,.12);border:1px solid var(--green);color:var(--green);font-size:28px; }.success-view h3 { margin:22px 0 7px;font-size:28px; }.success-view p { max-width:560px;margin:0 auto 18px;color:#8193a8;font-size:13px; }.success-view strong { display:block;margin-bottom:25px;color:var(--cyan);font-family:monospace; }
@keyframes fade { from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none} }
@media (max-width: 700px) {
  .dialog-shell { padding:25px 20px 28px; } .registration-dialog { max-height:96vh; } .progress span small { display:none; } .progress { margin-bottom:25px; } .form-grid,.member-list { grid-template-columns:1fr; } .form-grid .span-2 { grid-column:auto; } .member-card { grid-template-columns:1fr; } .file-rule-box ul { flex-direction:column;gap:3px; } .dialog-actions { flex-wrap:wrap; } .dialog-actions .button { flex:1; }
}

/* fieldset 一旦 display:grid，legend 那個「在框線上開一個缺口」的原生行為就不再可靠：
   Chrome 會把上框線畫在文字下緣，看起來像被劃掉一條線（隊員 3、4 特別明顯）。
   改用這份樣式裡既有的手法——與 .remove-member 相同：絕對定位 + 卡片底色蓋掉框線。 */
.member-card > legend {
  position: absolute; top: -8px; left: 12px;
  padding: 0 8px; background: #091725;
}

/* 換人申請框。不借用 .file-rule-box——那是企劃書步驟的「檔名提示」框，
   它的 strong 是 monospace 檔名樣式，而 textarea 的樣式限定在 .form-grid 底下。
   與 Next 前台的 .change-request 同一套視覺，兩個前端看起來要一樣。 */
.change-request { margin:4px 0 24px;padding:20px 22px 22px;
  border:1px solid rgba(240,165,43,.4);background:rgba(240,165,43,.075); }
.change-request-head { display:flex;gap:12px;align-items:flex-start; }
.change-request-head > span { color:#f0a52b;font-size:15px;line-height:1.5; }
.change-request-head h4 { margin:0 0 5px;color:#f6c97a;font-size:14px;font-weight:700;letter-spacing:.02em; }
.change-request-head p { margin:0;color:#a9b6c4;font-size:12px;line-height:1.75; }
.change-request-field { display:block;margin-top:18px;color:#aebac7;font-size:11px;font-weight:700;letter-spacing:.03em; }
.change-request-field textarea { width:100%;margin-top:7px;padding:12px 13px;min-height:88px;resize:vertical;
  border:1px solid #2a3e53;border-radius:4px;background:#0b1928;color:white;outline:none;
  font-weight:400;letter-spacing:normal; }
.change-request-field textarea:focus { border-color:var(--cyan);box-shadow:0 0 0 3px rgba(140,240,60,.12); }
.change-request-actions { margin-top:16px;display:flex;gap:16px;align-items:center;flex-wrap:wrap; }
.change-request-actions .secondary-button:disabled { opacity:.45;cursor:not-allowed; }
.change-request-msg { margin:16px 0 0;font-size:12px;line-height:1.7; }
.change-request-msg.is-ok { color:var(--green); }
.change-request-msg.is-error { color:#ff8a8a; }

/* 2026-09-03 STEP01 個資運用告知：純文字說明（填寫即同意），不是勾選項。 */
.privacy-notice { margin-top:22px;padding:18px 20px;border:1px solid #284158;background:#091928; }
.privacy-notice h4 { margin:0 0 10px;color:var(--cyan);font:800 11px/1 monospace;letter-spacing:.14em; }
.privacy-notice ol { margin:0;padding-left:18px;color:#aebac7;font-size:11px;line-height:1.7; }
.privacy-notice li + li { margin-top:6px; }
.privacy-notice a { color:var(--green);text-decoration:underline;text-underline-offset:2px;word-break:break-all; }

/* 2026-10-30 主辦設計圖（四大重點、NVIDIA 支援、決賽大獎）與評分標準的展開區塊 */
.figure { width: 100%; margin: 48px auto 0; border: 1px solid var(--line-soft); }
#support .figure, #prize .figure { margin-top: 0; }
.criteria { display: grid; gap: 16px; }
.criteria details { padding: 0 24px; }
.criteria summary { cursor: pointer; padding: 18px 0; font-size: 20px; font-weight: 900; list-style-position: outside; }
.criteria summary::marker { color: var(--green); }
.criteria details[open] { padding-bottom: 20px; }
.criteria h3 { margin: 24px 0 8px; font-size: 18px; }
.criteria h4 { margin: 16px 0 6px; font-size: 16px; color: var(--blue); }
.criteria p, .criteria li { color: var(--muted); }
.criteria strong { color: var(--text); }
.criteria ul, .criteria ol { margin: 0 0 8px; padding-left: 1.2em; display: grid; gap: 6px; }
.crit-key { border-left: 3px solid var(--green); padding-left: 12px; }
@media (max-width: 760px) { .criteria details { padding: 0 16px; } .criteria summary { font-size: 18px; } }
/* 常見問題（2026-11-03）：沿用 .criteria 展開框；答案保留換行（例如地點＋地址分兩行） */
.faq-list p { margin: 0; white-space: pre-line; }

/* ── 系列論壇：活動議程與講者陣容（2026-11-02，forum-program.js 產生）──────
   版面參考主辦提供的議程圖（置中標題徽章＋外框議程表＋三欄講者卡），配色用本站色票。 */
.forum-program {
  /* 報名表所在的 wrap-narrow 只有 820px，三欄講者卡太擠：議程區塊往兩側放寬到 1000px */
  width: min(1000px, 100vw - 32px); position: relative; left: 50%; transform: translateX(-50%);
  margin: 8px 0 56px;
}
.fpg-session + .fpg-session { margin-top: 72px; }
.fpg-badge {
  position: relative; display: table; margin: 0 auto 12px; padding: 4px 20px;
  background: var(--green); color: #07120a; font-size: 20px; font-weight: 900; letter-spacing: .2em;
}
.fpg-badge::before {
  content: ""; position: absolute; left: -10px; top: -8px; width: 16px; height: 16px;
  background: var(--blue); z-index: -1;
}
.fpg-sub { margin: 0 0 4px; text-align: center; color: var(--text); font-size: 14px; font-weight: 700; }
.fpg-info { margin: 0 0 4px; text-align: center; color: var(--muted); font-size: 14px; white-space: pre-line; }
.fpg-agenda { list-style: none; margin: 20px 0 0; padding: 0; border: 1px solid var(--line); }
.fpg-item {
  display: flex; gap: 20px; padding: 16px 20px;
  background: linear-gradient(90deg, rgba(17, 31, 54, .95), rgba(24, 44, 76, .9));
  border-top: 1px solid var(--line);
}
.fpg-item:first-child { border-top: 0; }
.fpg-break { background: transparent; padding-block: 10px; }
.fpg-break .fpg-title { font-weight: 500; color: var(--muted); font-size: 15px; }
.fpg-time { flex: none; width: 112px; font-family: var(--mono); color: var(--blue); font-size: 14px; line-height: 1.9; }
.fpg-body { flex: 1; min-width: 0; }
.fpg-title { margin: 0; font-size: 18px; font-weight: 800; line-height: 1.6; }
.fpg-tag {
  display: inline-block; margin-right: 8px; padding: 0 8px; vertical-align: 2px;
  background: var(--blue); color: #061222; font-size: 13px; font-weight: 900; letter-spacing: .06em;
}
.fpg-groups { margin-top: 8px; display: grid; gap: 6px; }
.fpg-group { display: grid; grid-template-columns: 56px 1fr; gap: 8px; align-items: start; }
.fpg-no-role .fpg-group { grid-template-columns: 1fr; }
.fpg-no-role .fpg-role { display: none; }
.fpg-role { color: var(--muted); font-size: 13px; line-height: 26px; }
.fpg-group-people { display: grid; gap: 6px; }
.fpg-person { display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.fpg-name {
  display: inline-block; padding: 0 8px; background: rgba(140, 240, 60, .16);
  color: var(--green); font-size: 14px; font-weight: 800; line-height: 26px;
}
.fpg-aff { color: var(--muted); font-size: 13px; }
.fpg-note { margin: 12px 0 56px; text-align: center; color: var(--muted); font-size: 13px; }
.fpg-speakers { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.fpg-card {
  display: flex; gap: 18px; align-items: center; padding: 20px;
  background: linear-gradient(180deg, rgba(17, 31, 54, .9), rgba(13, 24, 42, .9));
  border: 1px solid var(--line-soft);
}
.fpg-photo {
  flex: none; width: 88px; height: 88px; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--green-dim); background: var(--panel);
  display: grid; place-items: center; color: var(--muted); font-size: 32px; font-weight: 900;
}
.fpg-photo img { width: 100%; height: 100%; object-fit: cover; }
.fpg-card-info { min-width: 0; overflow-wrap: anywhere; }
.fpg-person { overflow-wrap: anywhere; }
.fpg-card-info .fpg-aff { margin: 8px 0 0; line-height: 1.6; white-space: pre-line; }
@media (max-width: 960px) { .fpg-speakers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .fpg-item { flex-direction: column; gap: 4px; padding: 14px 16px; }
  .fpg-time { width: auto; line-height: 1.5; }
  .fpg-title { font-size: 16px; }
  .fpg-group { grid-template-columns: 1fr; gap: 2px; }
  .fpg-role:empty { display: none; }
  .fpg-speakers { grid-template-columns: 1fr; gap: 12px; }
  .fpg-photo { width: 80px; height: 80px; }
}