/* 分頁：感測控制／蜘蛛小百科／我們的蜘蛛機器人。顏色全用主題變數，各風格都適用 */
.tabs { display: flex; gap: 4px; flex-shrink: 0; }
.tabs button { background: transparent; color: inherit; border: 1px solid transparent; border-radius: 6px;
  padding: 4px 10px; font-size: 13px; opacity: .75; white-space: nowrap; }
.tabs button:hover { opacity: 1; border-color: var(--line); }
.tabs button.on { opacity: 1; border-color: var(--accent); color: var(--accent); font-weight: 600;
  background: color-mix(in srgb, var(--accent) 12%, transparent); }

/* 切到其他分頁時，儀表板移到畫面外但保留尺寸，畫布繼續正常繪製 */
main.tab-away { position: fixed !important; left: -200vw; top: 0; width: 100vw; height: 100vh; visibility: hidden; }

/* ---------- 介紹頁 ---------- */
.info-page { display: none; flex: 1; min-height: 0; overflow: auto; padding: 14px; font-size: 15px; line-height: 1.75; }
.info-page.on { display: block; }
.info-inner { max-width: 1120px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.info-page .card { padding: 16px 20px; display: block; }
.info-page p { margin: 0 0 10px; }
.info-page ul, .info-page ol { margin: 0; padding-left: 1.3em; }
.info-page li { margin: 3px 0; }
.info-page b { color: var(--accent); font-weight: 600; }
.info-page code { font-family: ui-monospace, Menlo, monospace; font-size: .9em; padding: 0 4px; border-radius: 4px;
  background: color-mix(in srgb, var(--text) 10%, transparent); }
.info-kicker { color: var(--muted); font-size: 13px; letter-spacing: .1em; margin: 0 0 2px !important; }
.info-title { font-size: 22px; line-height: 1.35; margin: 0 0 10px; display: block; }
.info-card h3 { font-size: 16px; margin: 0 0 8px; }
.info-note { margin: 10px 0 0 !important; padding: 8px 12px; border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 12%, transparent); }
.info-highlight { border-color: var(--accent) !important; }

.info-hero { display: grid !important; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: center; }
.info-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.info-chips span { font-size: 13px; padding: 2px 10px; border-radius: 99px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 6%, transparent); }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 14px; }
.info-section .info-grid { margin-top: 10px; }

/* 身體構造圖 */
.spider-diagram { width: 100%; max-width: 340px; justify-self: center; }
.sd-legs path, .sd-palp { fill: none; stroke: var(--text); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; opacity: .8; }
.sd-body { fill: color-mix(in srgb, var(--accent) 35%, var(--card)); stroke: var(--text); stroke-width: 2; }
.sd-eye { fill: var(--text); }
.sd-label text { fill: var(--accent); font-size: 14px; font-weight: 600; }

/* 仿生啟發：來源 → 應用 */
.info-insp { display: grid; grid-template-columns: auto auto 1fr; gap: 8px; align-items: start;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: color-mix(in srgb, var(--text) 4%, transparent); }
.insp-from { font-weight: 700; white-space: nowrap; padding: 0 8px; border-radius: 6px; color: var(--card);
  background: var(--accent); }
.insp-arrow { color: var(--muted); }
.insp-to em { color: var(--good); font-style: normal; font-weight: 600; }

/* 系統流程 */
.flow { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.flow-box { text-align: center; padding: 6px 14px; border: 1px solid var(--line); border-radius: 10px; min-width: 210px;
  background: color-mix(in srgb, var(--text) 5%, transparent); font-weight: 600; }
.flow-box small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.flow-main { border-color: var(--accent); }
.flow-arrow { color: var(--muted); font-size: 13px; }

/* 步驟 */
.steps { list-style: none; padding: 0 !important; counter-reset: st; display: grid; gap: 8px; margin: 6px 0 0 !important; }
.steps li { counter-increment: st; display: grid; grid-template-columns: 30px 64px 1fr; gap: 8px; align-items: baseline; margin: 0; }
.steps li::before { content: counter(st); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--card); font-weight: 700; font-size: 13px; align-self: start; }

/* 步態動畫 */
.gait-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; align-items: start; }
.formula { font-family: ui-monospace, Menlo, monospace; padding: 8px 12px; border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--text) 6%, transparent); border-radius: 0 6px 6px 0; }
.tag-a, .tag-b { font-weight: 600; white-space: nowrap; }
.tag-a { color: var(--c1); }
.tag-b { color: var(--c3); }
.gait-demo { margin: 0; }
.gait-demo canvas { width: 100%; aspect-ratio: 1 / 1.1; display: block; border: 1px solid var(--line); border-radius: 10px; }
.gait-demo figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; margin-top: 6px; align-items: center; }
.gait-btns { display: flex; gap: 4px; }
.gait-btns button.on { border-color: var(--accent); color: var(--accent); }

/* 作品說明：規格表、項目編號、還沒填的欄位、製作歷程 */
.spec-table { border-collapse: collapse; width: 100%; font-size: 14px; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
.spec-table th { white-space: nowrap; color: var(--muted); font-weight: 600; width: 6em; }
.todo { display: inline-block; min-width: 2.5em; padding: 0 6px; border: 1px dashed var(--warn); border-radius: 4px;
  color: var(--warn); font-size: 13px; text-align: center; }
.item-no { display: inline-grid; place-items: center; width: 30px; height: 30px; margin-right: 8px; border-radius: 8px;
  background: var(--accent); color: var(--card); font-size: 17px; vertical-align: 2px; }
.info-page em { color: var(--good); font-style: normal; font-weight: 600; }
.info-card-plain { padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: color-mix(in srgb, var(--text) 4%, transparent); }
.info-card-plain h3 { font-size: 15px; margin: 0 0 4px; }
.info-card-plain p { margin: 0; }
.item-no.sm { width: 22px; height: 22px; font-size: 13px; margin-right: 6px; vertical-align: 0; }
.photo-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin: 4px 0 14px; }
.photo-row figure { margin: 0; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
  display: flex; flex-direction: column; align-items: center; gap: 6px; }
.photo-row figure.wide { grid-column: span 2; }
.photo-row img { max-width: 100%; height: 120px; object-fit: contain; }
.photo-row.process img { height: 170px; }
.photo-row figcaption { color: #333; font-size: 13px; text-align: center; line-height: 1.4; }
.foot-img { display: block; width: 100%; max-width: 300px; margin: 8px auto 0; border-radius: 8px; background: #fff; padding: 6px; }
.timeline { list-style: none; padding: 0 0 0 18px !important; margin: 6px 0 0 !important; border-left: 2px solid var(--line); }
.timeline li { position: relative; display: grid; grid-template-columns: 76px 1fr; gap: 8px; margin: 0 0 12px; padding-left: 8px; }
.timeline li::before { content: ""; position: absolute; left: -26px; top: 7px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--card); }
.timeline li.next::before { background: var(--card); border-color: var(--accent); }
.timeline li.next b { color: var(--muted); }

@media (max-width: 860px) {
  .timeline li { grid-template-columns: 1fr; gap: 0; }
  .photo-row { grid-template-columns: repeat(2, 1fr); }
  .photo-row figure.wide { grid-column: 1 / -1; }
  .info-page { padding: 10px 16px; font-size: 14px; }
  .info-hero, .gait-wrap { grid-template-columns: 1fr; }
  .info-title { font-size: 19px; }
  .steps li { grid-template-columns: 30px 1fr; }
  .steps li span { grid-column: 2; }
}
@media (max-width: 1100px) { .info-page { overflow: visible; } }

/* ---------- 闖關遊戲 ---------- */
.game-head { grid-template-columns: 1fr auto !important; }
.game-total { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.game-total b { font-size: 40px; line-height: 1; color: var(--accent); }
.game-total span { color: var(--muted); }
.game-map { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.game-level { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 14px 10px; border-radius: 12px;
  background: var(--card); border: 2px solid var(--line); transition: transform .15s, border-color .15s; }
.game-level:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--accent); }
.game-level.done { border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); }
.game-level.locked { opacity: .45; }
.gl-no { font-size: 12px; color: var(--muted); }
.gl-icon { font-size: 38px; line-height: 1.3; }
.gl-title { font-size: 16px; font-weight: 700; }
.gl-sub { font-size: 12px; color: var(--muted); }
.gl-stars, .gr-stars { color: var(--accent); letter-spacing: 2px; font-size: 18px; }

.game-play { padding: 16px 20px !important; }
.gp-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.gp-level { font-weight: 700; }
.gp-dots { margin-left: auto; display: flex; gap: 6px; }
.gp-dots i { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--line); }
.gp-dots i.past { background: var(--muted); border-color: var(--muted); }
.gp-dots i.now { background: var(--accent); border-color: var(--accent); }
.gp-q { font-size: 19px; line-height: 1.5; margin: 6px 0 14px; }
.gp-choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.gp-choices button { font-size: 16px; padding: 12px 14px; text-align: left; border-radius: 10px; border-width: 2px; }
.gp-choices button.right, .order-slots .slot.right { border-color: var(--good); background: color-mix(in srgb, var(--good) 18%, transparent); }
.gp-choices button.wrong, .order-slots .slot.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 18%, transparent); }
.gp-choices button:disabled { opacity: 1; }
.gp-choices button:disabled:not(.right):not(.wrong) { opacity: .5; }
.gp-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.gp-feedback { display: none; margin-top: 14px; padding: 12px 14px; border-radius: 10px; border: 2px solid; }
.gp-feedback.show { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.gp-feedback.ok { border-color: var(--good); background: color-mix(in srgb, var(--good) 12%, transparent); }
.gp-feedback.bad { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); }
.gp-feedback span { flex: 1 1 260px; }
.gp-feedback button { margin-left: auto; font-size: 15px; padding: 7px 16px; }

/* 找獵物 */
.vib-web { display: block; width: min(100%, 420px); margin: 0 auto; }
.vib-lines polygon, .vib-lines line { fill: none; stroke: var(--line); stroke-width: 1.5; }
.vib-me { text-anchor: middle; font-size: 22px; }
.vib-node { cursor: pointer; outline: none; }
.vib-node circle { fill: color-mix(in srgb, var(--c1) calc(var(--e) * 100%), var(--card)); stroke: var(--text); stroke-width: 1.5; transition: stroke-width .15s; }
.vib-node:hover circle, .vib-node:focus-visible circle { stroke: var(--accent); stroke-width: 4; }
.vib-node text { text-anchor: middle; font-size: 13px; font-weight: 700; fill: var(--text); pointer-events: none; }
.vib-node .vib-lbl { font-size: 14px; fill: var(--muted); }
.vib-node.right circle { stroke: var(--good); stroke-width: 5; }
.vib-node.wrong circle { stroke: var(--bad); stroke-width: 5; }

/* 三腳架 */
.legs-svg { display: block; width: min(100%, 360px); margin: 0 auto; }
.leg-line { stroke: var(--muted); stroke-width: 5; stroke-linecap: round; }
.leg-body { fill: color-mix(in srgb, var(--accent) 30%, var(--card)); stroke: var(--text); stroke-width: 2; }
.leg-head { text-anchor: middle; fill: var(--muted); font-size: 14px; }
.leg-foot { cursor: pointer; outline: none; }
.leg-foot circle { fill: var(--card); stroke: var(--text); stroke-width: 2; }
.leg-foot text { text-anchor: middle; font-size: 13px; font-weight: 700; fill: var(--text); pointer-events: none; }
.leg-foot:hover circle, .leg-foot:focus-visible circle { stroke: var(--accent); stroke-width: 4; }
.leg-foot.sel circle { fill: var(--c1); }
.leg-foot.right circle { stroke: var(--good); stroke-width: 5; fill: color-mix(in srgb, var(--good) 40%, var(--card)); }
.leg-foot.wrong circle { stroke: var(--bad); stroke-width: 5; }

/* 排順序 */
.order-slots { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 14px; }
.order-slots i { color: var(--muted); font-style: normal; }
.order-slots .slot { min-width: 76px; padding: 6px 10px; border: 2px dashed var(--line); border-radius: 8px; color: var(--muted); }
.order-slots .slot.filled { border-style: solid; color: var(--text); }
.order-pool button { text-align: center; }

.game-result { text-align: center; padding: 30px 20px !important; }
.gr-stars { font-size: 46px; letter-spacing: 8px; }
.gr-btns { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.gr-btns button { font-size: 15px; padding: 8px 18px; }

.game-cert { text-align: center; }
.cert-inner { padding: 24px; border: 4px double var(--accent); border-radius: 12px; margin-bottom: 12px; }
.cert-inner h2 { font-size: 28px; margin: 4px 0 12px; display: block; letter-spacing: .15em; }
.cert-kicker { color: var(--accent); font-weight: 700; }
.cert-name input { font: inherit; padding: 4px 8px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--text); }

@media (prefers-reduced-motion: reduce) { .game-level { transition: none; } .game-level:hover:not(:disabled) { transform: none; } }
@media (max-width: 860px) {
  .game-head { grid-template-columns: 1fr !important; }
  .game-map { grid-template-columns: repeat(2, 1fr); }
  .gp-q { font-size: 17px; }
}

/* ---------- 闖關遊戲：版面、側欄、勳章 ---------- */
.game-score { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.game-score > div { display: flex; align-items: baseline; gap: 4px; }
.game-score b { font-size: 32px; line-height: 1; color: var(--accent); }
.game-score span { color: var(--muted); font-size: 13px; }
.game-level { position: relative; }
.gl-medal { position: absolute; top: 8px; right: 8px; }

.game-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 14px; align-items: start; }
.game-side { display: flex; flex-direction: column; gap: 14px; }
.side-card { padding: 14px 16px !important; }
.side-card h3 { font-size: 15px; margin: 0 0 8px; display: flex; justify-content: space-between; align-items: baseline; }
.side-card h3 small { color: var(--muted); font-weight: 400; }
.side-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; text-align: center; }
.side-stats div { padding: 6px 2px; border-radius: 8px; background: color-mix(in srgb, var(--text) 5%, transparent); transition: background .3s; }
.side-stats b { display: block; font-size: 20px; color: var(--accent); line-height: 1.3; }
.side-stats span { font-size: 12px; color: var(--muted); }
.side-stats div.hot { background: color-mix(in srgb, var(--bad) 22%, transparent); }
.side-medal { display: flex; gap: 10px; align-items: center; margin-top: 10px; font-size: 13px; line-height: 1.5; }
.side-medal small { color: var(--muted); }
.side-notes { font-size: 14px; padding-left: 1.1em !important; }
.side-notes li { margin: 4px 0; }
.side-shelf { display: flex; flex-wrap: wrap; gap: 6px; }
.gp-count { color: var(--muted); font-size: 13px; margin: 0 !important; }
.game-play { min-height: 460px; }

/* 勳章：銅、銀、金、特殊；沒拿到是灰色問號 */
.medal { --m1: #8a8f98; --m2: #5c626b; position: relative; display: inline-grid; place-items: center; flex: none;
  width: 64px; height: 64px; border-radius: 50%; font-size: 30px;
  background: radial-gradient(circle at 35% 30%, var(--m1), var(--m2)); box-shadow: 0 2px 6px rgba(0,0,0,.35), inset 0 0 0 4px rgba(255,255,255,.25); }
.medal::before { content: ""; position: absolute; inset: 7px; border-radius: 50%; border: 2px dashed rgba(255,255,255,.4); }
.medal-face { position: relative; filter: drop-shadow(0 1px 1px rgba(0,0,0,.3)); }
.medal.none { --m1: color-mix(in srgb, var(--text) 18%, var(--card)); --m2: color-mix(in srgb, var(--text) 8%, var(--card)); box-shadow: none; }
.medal.none .medal-face { color: var(--muted); font-weight: 700; font-size: .7em; filter: none; }
.medal.bronze { --m1: #f0b07a; --m2: #9c5a24; }
.medal.silver { --m1: #f4f6f8; --m2: #8d97a3; }
.medal.gold { --m1: #ffe58a; --m2: #c8901a; }
.medal.special { --m1: #b9a6ff; --m2: #5b3fc4; }
.medal.xs { width: 30px; height: 30px; font-size: 15px; }
.medal.xs::before { inset: 3px; border-width: 1px; }
.medal.sm { width: 48px; height: 48px; font-size: 23px; }
.medal.lg { width: 110px; height: 110px; font-size: 52px; }
.medal.lg::before { inset: 10px; border-width: 3px; }

.mw-h { font-size: 16px; margin: 14px 0 8px; }
.mw-h small { color: var(--muted); font-weight: 400; font-size: 13px; margin-left: 6px; }
.mw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; }
.mw-item { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; padding: 10px 6px;
  border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb, var(--text) 4%, transparent); }
.mw-item b { font-size: 14px; line-height: 1.3; }
.mw-item small { font-size: 12px; color: var(--muted); line-height: 1.35; }
.mw-item.locked b { color: var(--muted); }

.gr-medal { margin-bottom: 6px; }
.review-list { font-size: 15px; }
.review-list li { margin: 6px 0; }

/* 獲得勳章彈窗 */
.award-overlay { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 16px;
  background: rgba(0,0,0,.55); animation: fadeIn .2s; }
.award-box { position: relative; overflow: hidden; width: min(100%, 380px); text-align: center; padding: 26px 22px 22px;
  background: var(--card); color: var(--text); border: 2px solid var(--accent); border-radius: 18px; box-shadow: 0 20px 50px rgba(0,0,0,.5); }
.award-kicker { color: var(--accent); font-weight: 700; margin: 0 0 12px; }
.award-medal { animation: medalPop .6s cubic-bezier(.3, 1.6, .5, 1) both; }
.award-box h3 { font-size: 20px; margin: 14px 0 4px; }
.award-box p { margin: 0 0 16px; color: var(--muted); }
.award-box button { font-size: 16px; padding: 8px 22px; }
.confetti { position: absolute; inset: 0; pointer-events: none; }
.confetti i { position: absolute; top: -12px; left: calc(var(--i) * 5.5%); width: 8px; height: 12px; border-radius: 2px;
  background: hsl(calc(var(--i) * 47), 85%, 60%); animation: confetti 1.8s calc(var(--i) * 60ms) ease-in forwards; }
@keyframes medalPop { from { transform: scale(.2) rotate(-30deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes confetti { to { transform: translateY(460px) rotate(540deg); opacity: .2; } }
@keyframes fadeIn { from { opacity: 0; } }

/* 是非題、點部位、配對 */
.tf-tag { display: inline-block; font-size: 13px; padding: 1px 8px; margin-right: 8px; border-radius: 99px; vertical-align: 3px;
  background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent); }
.gp-choices.tf { grid-template-columns: 1fr 1fr; }
.gp-choices.tf button { text-align: center; font-size: 22px; padding: 18px; }
.spot-svg { display: block; width: min(100%, 360px); margin: 0 auto; }
.spot { cursor: pointer; }
.spot path { fill: none; stroke: var(--text); stroke-width: 7; stroke-linecap: round; stroke-linejoin: round; }
.spot ellipse, .spot circle { fill: color-mix(in srgb, var(--accent) 30%, var(--card)); stroke: var(--text); stroke-width: 2; }
.spot:hover path, .spot:hover ellipse, .spot:hover circle { stroke: var(--accent); }
.spot:hover ellipse, .spot:hover circle { stroke-width: 4; }
.spot.right path, .spot.right ellipse, .spot.right circle { stroke: var(--good); }
.spot.right ellipse, .spot.right circle { fill: color-mix(in srgb, var(--good) 45%, var(--card)); stroke-width: 4; }
.spot.wrong path, .spot.wrong ellipse, .spot.wrong circle { stroke: var(--bad); }
.spot.wrong ellipse, .spot.wrong circle { fill: color-mix(in srgb, var(--bad) 40%, var(--card)); stroke-width: 4; }
.spot-eyes circle { fill: var(--text); pointer-events: none; }
.match-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.match-col { display: flex; flex-direction: column; gap: 8px; }
.match-col button { font-size: 15px; padding: 11px 12px; border-radius: 10px; border-width: 2px; }
.match-col button.sel { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 18%, transparent); }
.match-col button.right { border-color: var(--good); background: color-mix(in srgb, var(--good) 18%, transparent); opacity: 1; }
.match-col button.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 20%, transparent); }
.match-col button.pair0::after, .match-col button.pair1::after, .match-col button.pair2::after, .match-col button.pair3::after { margin-left: 6px; }
.match-col button.pair0::after { content: "①"; } .match-col button.pair1::after { content: "②"; }
.match-col button.pair2::after { content: "③"; } .match-col button.pair3::after { content: "④"; }
.match-status { margin-top: 10px !important; }

@media (prefers-reduced-motion: reduce) {
  .award-overlay, .award-medal { animation: none; }
  .confetti { display: none; }
}
@media (max-width: 1000px) {
  .game-layout { grid-template-columns: 1fr; }
  .game-play { min-height: 0; }
}
@media (max-width: 600px) {
  .match-cols { gap: 8px; }
  .match-col button { font-size: 14px; padding: 9px 8px; }
  .medal.lg { width: 90px; height: 90px; font-size: 42px; }
}

/* ---------- 首頁 ---------- */
.home-hero { display: grid !important; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: center; padding: 26px 28px !important; }
.home-title { font-size: 40px; line-height: 1.2; margin: 4px 0 6px; }
.home-lead { font-size: 19px; }
.home-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.home-btn { display: inline-block; font-size: 15px; padding: 9px 18px; border-radius: 10px; }
.home-btn.primary-btn { background: var(--accent); border-color: var(--accent); color: var(--card); font-weight: 700; }
.home-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.home-photos figure { margin: 0; padding: 8px; background: #fff; border-radius: 10px; border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; gap: 4px; }
.home-photos .hp-main { grid-column: 1 / -1; }
.home-photos img { width: 100%; height: 120px; object-fit: contain; }
.home-photos .hp-main img { height: 190px; }
.home-photos figcaption { color: #333; font-size: 12px; }

.home-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.home-stats div { text-align: center; padding: 14px 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); }
.home-stats b, .home-progress b { display: block; font-size: 30px; line-height: 1.2; color: var(--accent); }
.home-stats span, .home-progress span { font-size: 13px; color: var(--muted); }

.home-steps { list-style: none; padding: 0 !important; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.home-steps li { display: flex; gap: 12px; align-items: flex-start; margin: 0; }
.home-steps p { margin: 2px 0 0 !important; font-size: 14px; color: var(--muted); }
.hs-no { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: var(--card); font-weight: 700; font-size: 18px; }

.home-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.home-grid.two { grid-template-columns: 1fr 1fr; }
.home-card { color: var(--text); text-decoration: none; display: flex !important; flex-direction: column; gap: 4px;
  transition: transform .15s, border-color .15s; }
.home-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.home-card b { font-size: 17px; color: var(--text); }
.home-card p { margin: 0 !important; font-size: 14px; color: var(--muted); flex: 1; }
.hc-icon { font-size: 34px; line-height: 1.3; }
.hc-go { color: var(--accent); font-size: 14px; font-weight: 600; margin-top: 6px; }
.home-status td { font-size: 14px; }
.home-progress { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; margin: 6px 0 14px; }
.home-progress div { padding: 10px 4px; border-radius: 10px; background: color-mix(in srgb, var(--text) 5%, transparent); }

@media (prefers-reduced-motion: reduce) { .home-card { transition: none; } .home-card:hover { transform: none; } }
@media (max-width: 860px) {
  .home-hero, .home-grid.two { grid-template-columns: 1fr; }
  .home-hero { padding: 18px !important; }
  .home-title { font-size: 30px; }
  .home-stats { grid-template-columns: repeat(2, 1fr); }
  .home-steps { grid-template-columns: 1fr; }
}

/* 窄螢幕：分頁列自己一行，放不下時左右滑動，不撐開整個頁面 */
@media (max-width: 1100px) {
  .tabs { order: 2; width: 100%; flex-shrink: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
}

/* 首頁的蜘蛛插圖：停在網中央，右前方的獵物發出振動波紋 */
.home-spider { text-align: center; }
.home-spider svg { display: block; width: 100%; max-width: 380px; margin: 0 auto; overflow: visible; }
.hs-web line, .hs-web polygon { fill: none; stroke: color-mix(in srgb, var(--text) 35%, transparent); stroke-width: 1.4; }
.hs-legs path, .hs-palp { fill: none; stroke: var(--text); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.hs-body { fill: color-mix(in srgb, var(--accent) 55%, var(--card)); stroke: var(--text); stroke-width: 2.5; }
.hs-mark { stroke: color-mix(in srgb, var(--card) 70%, transparent); stroke-width: 3; stroke-linecap: round; }
.hs-eye circle { fill: var(--text); }
.hs-prey { text-anchor: middle; font-size: 22px; }
.hs-ripple circle { fill: none; stroke: var(--accent); stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center;
  animation: hsRipple 2.4s ease-out infinite; }
.hs-ripple circle:nth-child(2) { animation-delay: .8s; }
.hs-ripple circle:nth-child(3) { animation-delay: 1.6s; }
.hs-spider { transform-origin: 200px 195px; animation: hsTurn 4.8s ease-in-out infinite; }
.hs-caption { color: var(--muted); font-size: 14px; margin: 6px 0 0 !important; }
@keyframes hsRipple { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(4.5); opacity: 0; } }
@keyframes hsTurn { 0%, 55%, 100% { transform: rotate(0); } 65%, 90% { transform: rotate(14deg); } }
@media (prefers-reduced-motion: reduce) {
  .hs-ripple circle, .hs-spider { animation: none; }
  .hs-ripple circle:first-child { opacity: .6; transform: scale(2); }
}

/* 標題列：加了分頁後比較擠。右邊的連線狀態永遠不縮；伺服端資訊只排一行，放不下就用「…」 */
@media (min-width: 1101px) {
  header { gap: 12px; }
  .hdr-right { flex-shrink: 0; }
  #srvInfo { flex: 1 1 0; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}
@media (min-width: 1101px) and (max-width: 1499px) {
  header h1 small { display: none; }
  .tabs button { padding: 4px 7px; }
}

/* 手機：副標題收起來，右上角的連線狀態才放得下 */
@media (max-width: 600px) { header h1 small { display: none; } }

/* ---------- 闖關遊戲：玩家名字、存檔碼、排行榜（player.js） ---------- */
#gameAccount:empty { display: none; }
.acct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.acct-card .info-title { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.acct-form { display: grid; gap: 10px; max-width: 360px; }
.acct-form label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.acct-form input { font: inherit; font-size: 16px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.acct-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.acct-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.acct-btns button { font-size: 15px; padding: 7px 16px; }
.acct-msg { min-height: 1.4em; margin: 0 !important; color: var(--bad); font-size: 14px; }
.acct-sync { color: var(--good); font-size: 14px; }
.lb-list { list-style: none; padding: 0 !important; margin: 0 !important; display: grid; gap: 4px; }
.lb-list li { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 8px; margin: 0; padding: 6px 10px;
  border-radius: 8px; background: color-mix(in srgb, var(--text) 4%, transparent); }
.lb-list li.me { outline: 2px solid var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.lb-rank { text-align: center; font-weight: 700; }
.lb-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-score { color: var(--muted); font-size: 14px; white-space: nowrap; }
@media (max-width: 860px) { .acct-grid { grid-template-columns: 1fr; } }
.acct-card h2 .acct-btns { gap: 6px; }
.acct-code { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 6px 0 10px; padding: 10px 12px; border-radius: 10px;
  border: 2px dashed var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.acct-code code { flex: 1 1 200px; font: 700 18px/1.5 ui-monospace, Menlo, monospace; letter-spacing: .06em; word-break: break-all;
  background: none !important; padding: 0 !important; color: var(--text); }
.acct-toggle { margin-bottom: 8px; }
.acct-or { margin: 12px 0 6px !important; font-size: 14px; color: var(--muted); }
.acct-load input { font-family: ui-monospace, Menlo, monospace; letter-spacing: .05em; text-transform: uppercase; }
.acct-msg { color: var(--good); }
/* 「用 Google 帳號登入」按鈕：照 Google 的樣式，白底、灰框、彩色 G */
.acct-google { display: inline-flex; align-items: center; gap: 10px; padding: 9px 16px; border-radius: 8px; font-size: 15px; font-weight: 600;
  background: #fff !important; color: #3c4043 !important; border: 1px solid #dadce0 !important; box-shadow: 0 1px 2px rgba(0,0,0,.15); }
.acct-google:hover { background: #f8f9fa !important; border-color: #c6c9cc !important; }
.acct-google.small { font-size: 13px; padding: 6px 12px; margin-bottom: 8px; }
.g-logo { display: inline-grid; place-items: center; width: 20px; height: 20px; font: 700 15px/1 Arial, sans-serif;
  background: conic-gradient(from -45deg, #ea4335 0 25%, #4285f4 0 50%, #34a853 0 75%, #fbbc05 0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.acct-hint { margin-top: 8px !important; }