/* =========================================================
   畢業門檻 graduation.html（搭配 labs.css，活潑版）
   ========================================================= */
.grad-page { --yellow: #ffd24d; }
.grad-page .labs-intro { padding-bottom: 32px; }

/* 公式 */
.eq { display: flex; align-items: stretch; gap: 10px; margin: 4px 0 30px; }
.eq-i { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: #fff; border: 2px solid var(--ink); border-top: 8px solid var(--c); border-radius: 18px; padding: 14px 8px; box-shadow: 4px 4px 0 var(--c); transition: transform .25s; }
.eq-i:hover { transform: translateY(-4px) rotate(-1deg); }
.eq-i b { font-size: clamp(30px, 3.6vw, 44px); font-weight: 900; line-height: 1; color: var(--c); font-family: var(--serif-title, serif); }
.eq-i span { font-size: 15px; font-weight: 800; color: var(--ink); margin-top: 6px; }
.eq-i small { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.eq > i { align-self: center; font-style: normal; font-size: 28px; font-weight: 900; color: var(--ink); }
.eq-r { flex: 1.1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; background: var(--ink); color: #fff; border-radius: 18px; padding: 14px 8px; }
.eq-r i { font-size: 34px; color: var(--yellow); }
.eq-r b { font-size: 20px; font-weight: 900; font-family: var(--serif-title, serif); }

/* 自我檢核列 */
.gc-bar { position: sticky; top: 70px; z-index: 20; display: flex; align-items: center; gap: 14px; padding: 12px 16px; margin-bottom: 26px; background: rgba(255,255,255,.95); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 2px solid var(--ink); border-radius: 18px; box-shadow: 4px 4px 0 var(--ink); transition: background .3s; }
.gc-bar.is-all { background: var(--yellow); }
.gc-ring { position: relative; flex: none; width: 54px; height: 54px; }
.gc-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gc-ring circle { fill: none; stroke: var(--line); stroke-width: 5; }
.gc-ring circle.p { stroke: #23A05A; stroke-linecap: round; stroke-dasharray: 113.1; stroke-dashoffset: 113.1; transition: stroke-dashoffset .6s cubic-bezier(.2,.8,.2,1); }
.gc-ring b { position: absolute; inset: 0; display: grid; place-items: center; font-size: 14px; font-weight: 900; color: var(--ink); }
.gc-t { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.gc-t > b { font-size: 16px; color: var(--ink); }
.gc-t span { font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.gc-t span b { color: #D7141E; }
.gc-reset { flex: none; appearance: none; border: 1.5px solid var(--ink); background: #fff; border-radius: 999px; padding: 7px 14px; font: 700 13px/1 inherit; font-family: inherit; cursor: pointer; color: var(--ink); }
.gc-reset:hover { background: var(--ink); color: #fff; }

/* 關卡 */
.gs-wrap { position: relative; margin-bottom: 60px; }
.gs { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 0 18px; scroll-margin-top: 180px; }
.gs-rail { position: relative; display: flex; justify-content: center; }
.gs-rail::before { content: ""; position: absolute; top: 0; bottom: 0; width: 4px; background: repeating-linear-gradient(180deg, var(--ink-3) 0 8px, transparent 8px 14px); }
.gs:first-child .gs-rail::before { top: 30px; }
.gs:last-child .gs-rail::before { bottom: auto; height: 30px; }
.gs-n { position: relative; z-index: 1; width: 60px; height: 60px; border-radius: 50%; background: #fff; border: 3px solid var(--c); color: var(--c); display: grid; place-items: center; font-size: 26px; font-weight: 900; font-family: var(--serif-title, serif); transition: background .3s, color .3s, transform .4s cubic-bezier(.2,.8,.2,1); }
.gs.is-done .gs-n { background: var(--c); color: #fff; transform: rotate(-8deg) scale(1.05); }
.gs.is-done .gs-n::after { content: "✓"; position: absolute; right: -6px; bottom: -4px; width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 13px; display: grid; place-items: center; font-family: sans-serif; }
.gs-body { background: #fff; border: 1.5px solid var(--line); border-left: 6px solid var(--c); border-radius: 20px; padding: 20px 22px; margin-bottom: 18px; transition: border-color .3s, box-shadow .3s; }
.gs.is-done .gs-body { border-color: var(--c); box-shadow: 5px 5px 0 var(--c); }
.gs-h { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.gs-lab { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; color: var(--c); }
.gs-lab em { font-style: normal; background: var(--c); color: #fff; font-size: 12px; padding: 2px 9px; border-radius: 999px; }
.gs-h h3 { margin: 6px 0 4px; font-size: clamp(22px, 2.6vw, 28px); font-weight: 900; color: var(--ink); font-family: var(--serif-title, serif); }
.gs-h p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.gs-state { flex: none; font-size: 12.5px; font-weight: 800; color: var(--ink-3); border: 1.5px dashed var(--ink-3); border-radius: 999px; padding: 4px 11px; transition: all .3s; }
.gs.is-done .gs-state { color: #fff; background: #23A05A; border: 1.5px solid #23A05A; }

.go-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.go-list.is-multi { grid-template-columns: 1fr 1fr; }
.go { border: 1.5px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--c) 4%, #fff); transition: border-color .2s, background .2s; overflow: hidden; }
.go:hover { border-color: var(--ink); }
.go.is-on { border-color: var(--c); background: color-mix(in srgb, var(--c) 12%, #fff); }
.go-h { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px 10px; margin: 0; cursor: pointer; font-weight: 400; }
.go-h input { position: absolute; opacity: 0; pointer-events: none; }
.go-box { flex: none; width: 24px; height: 24px; border: 2px solid var(--ink); border-radius: 7px; background: #fff; margin-top: 1px; display: grid; place-items: center; transition: background .2s, transform .2s; }
.go-box::after { content: ""; width: 7px; height: 12px; border: solid #fff; border-width: 0 3px 3px 0; transform: rotate(45deg) scale(0); margin-top: -3px; transition: transform .2s cubic-bezier(.2,.8,.2,1.4); }
.go-h input:checked + .go-box { background: var(--c); border-color: var(--c); transform: scale(1.06); }
.go-h input:checked + .go-box::after { transform: rotate(45deg) scale(1); }
.go-h input:focus-visible + .go-box { outline: 3px solid var(--yellow); outline-offset: 2px; }
.go-t { display: flex; flex-direction: column; min-width: 0; }
.go-t b { font-size: 16px; font-weight: 800; color: var(--ink); line-height: 1.5; }
.go-t small { font-size: 13px; color: var(--ink-2); margin-top: 2px; }
.go-d { margin: 0 16px 12px 52px; }
.go-d summary { cursor: pointer; font-size: 13px; font-weight: 700; color: var(--c); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
.go-d summary::-webkit-details-marker { display: none; }
.go-d summary::before { content: "+"; width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid currentColor; display: grid; place-items: center; font-size: 13px; line-height: 1; transition: transform .25s; }
.go-d[open] summary::before { content: "−"; }
.go-d > div { margin-top: 8px; font-size: 14px; line-height: 1.8; color: var(--ink-2); background: #fff; border-radius: 10px; padding: 10px 12px; border: 1px dashed var(--line); animation: goIn .3s ease; }
@keyframes goIn { from { opacity: 0; transform: translateY(-4px); } }
.go-d p { margin: 0 0 6px; }
.go-d p:last-child { margin-bottom: 0; }
.go-d a { color: var(--brand); font-weight: 700; }
.go-d b { color: var(--ink); }
.go-link { display: inline-block; margin-top: 6px; }
.gs-help { margin-top: 12px; font-size: 14px; background: #fff8dc; border-radius: 12px; padding: 10px 14px; color: var(--ink-2); line-height: 1.7; }
.gs-help b { color: var(--ink); }
.gs-help b:first-child { margin-right: 8px; }
.gs-help a { color: var(--brand); font-weight: 700; }

/* 抵免 */
.backup { background: var(--ink); color: #fff; border-radius: 28px; padding: 30px 32px; margin-bottom: 44px; scroll-margin-top: 100px; }
.bk-h .labs-mono { color: var(--yellow); font-size: 11px; }
.bk-h h3 { margin: 8px 0 8px; font-size: clamp(22px, 2.8vw, 30px); font-weight: 900; color: #fff; font-family: var(--serif-title, serif); }
.bk-h p { margin: 0; color: rgba(255,255,255,.8); font-size: 15px; }
.bk-h p b { color: var(--yellow); }
.bk-list { list-style: none; counter-reset: bk; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.bk-list li { counter-increment: bk; position: relative; display: flex; flex-direction: column; gap: 6px; background: rgba(255,255,255,.07); border: 1.5px solid rgba(255,255,255,.2); border-radius: 16px; padding: 18px 16px 16px; }
.bk-list li::before { content: counter(bk); width: 32px; height: 32px; border-radius: 10px; background: var(--yellow); color: var(--ink); font-weight: 900; display: grid; place-items: center; font-family: var(--serif-title, serif); }
.bk-list b { font-size: 16.5px; }
.bk-list p { margin: 0; font-size: 13.5px; line-height: 1.7; color: rgba(255,255,255,.75); flex: 1; }
.bk-list span { align-self: flex-start; font-size: 12px; font-weight: 700; background: rgba(255,210,77,.16); color: var(--yellow); border-radius: 999px; padding: 3px 10px; }
.bk-note { margin: 14px 0 0; font-size: 13px; color: rgba(255,255,255,.65); }

/* 其他 */
.gd-note { display: flex; gap: 12px; align-items: flex-start; background: #fff; border: 1.5px solid var(--line); border-radius: 16px; padding: 14px 18px; margin-bottom: 14px; }
.gd-note i { color: var(--brand); font-size: 20px; margin-top: 2px; }
.gd-note p { margin: 0; font-size: 15px; color: var(--ink-2); }
.gd-note b { color: var(--ink); }
.gd-dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.gd-dl a { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: #fff; border: 1.5px solid var(--ink); border-radius: 14px; color: var(--ink) !important; font-weight: 700; font-size: 14.5px; line-height: 1.45; transition: transform .2s, box-shadow .2s; }
.gd-dl a:hover { transform: translateY(-3px); box-shadow: 4px 4px 0 var(--ink); }
.gd-dl em { flex: none; font-style: normal; font-size: 11px; font-weight: 900; color: #fff; background: #23A05A; border-radius: 5px; padding: 2px 6px; }
.gd-dl a:last-child em { background: #1F74D6; }
.gd-foot { margin: 16px 0 0; font-size: 13px; color: var(--ink-3); }

@media (max-width: 991px) {
	.bk-list { grid-template-columns: 1fr 1fr; }
	.gd-dl { grid-template-columns: 1fr; }
	.gc-bar { top: 60px; }
}
@media (max-width: 767px) {
	.eq { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; }
	.eq > i { font-size: 20px; }
	.eq > i:nth-of-type(2), .eq > i:nth-of-type(4) { display: none; }
	.eq-i:nth-of-type(3) { grid-column: 1; }
	.eq-r { grid-column: 1 / -1; flex-direction: row; padding: 12px; }
	.eq-i { padding: 12px 6px; box-shadow: 3px 3px 0 var(--c); }
	.gc-bar { top: 56px; padding: 10px 12px; gap: 10px; border-radius: 14px; }
	.gc-ring { width: 46px; height: 46px; }
	.gc-t > b { font-size: 14.5px; }
	.gc-t span { font-size: 12.5px; }
	.gc-reset { padding: 6px 10px; font-size: 12px; }
	.gs { grid-template-columns: 40px minmax(0, 1fr); gap: 0 10px; }
	.gs-n { width: 40px; height: 40px; font-size: 18px; border-width: 2.5px; }
	.gs:first-child .gs-rail::before { top: 20px; }
	.gs-body { padding: 16px 14px; }
	.gs-h { flex-direction: column; gap: 8px; }
	.go-list.is-multi { grid-template-columns: 1fr; }
	.go-h { padding: 12px 12px 8px; }
	.go-d { margin: 0 12px 10px 48px; }
	.backup { padding: 24px 18px; border-radius: 22px; }
	.bk-list { grid-template-columns: 1fr; }
}