/* ==========================================================================
   JETCO /beta : 자료실 · 제품 업데이트  (prefix: up-)
   list  : /board/updates/index  제품군 칩 · 릴리즈 타임라인 (스크롤로 그려지는 레일 + 진행 표지)
   detail: /board/updates/read   릴리즈 헤더(다크 패널, data-theme="dark") · 본문 · 같은 제품군
   색: site.css 토큰만 사용 (밝은 영역 강조 = 인디고 --signal, 옐로우는 어두운 영역/채움에만)
   ========================================================================== */

/* 모노 서체 안의 한글(총 N건, 카테고리명 등)이 시스템 고정폭으로 떨어지지 않도록 Pretendard 를 먼저 대체 */
.up-board, .up-read, .up-related, .up-explore {
    --font-mono: "JetBrains Mono", "Pretendard Variable", Pretendard, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 키네틱 아웃라인 타이포 (data-scrub-x) ---------- */
.up-board, .up-related { position: relative; }
.up-kinetic {
    position: absolute; left: 0; right: 0; top: clamp(30px, 5.6vw, 92px); z-index: 0;
    overflow: hidden; white-space: nowrap; pointer-events: none; user-select: none;
}
.up-kinetic span {
    display: inline-block; padding-left: 6vw;
    font-size: clamp(84px, 13vw, 214px); font-weight: 800; line-height: 1; letter-spacing: -0.06em;
    color: transparent; -webkit-text-stroke: 1.5px rgba(var(--signal-rgb), .12);
}
.up-board > .c-container, .up-related > .c-container { position: relative; z-index: 1; }
/* 목록: 위 여백에 키네틱 타이포가 지나가고, 칩 · 검색창과는 겹치지 않게 */
.up-board { padding-top: clamp(112px, 12.4vw, 196px); }
.up-board > .up-kinetic { top: clamp(0px, 1.4vw, 22px); }
.up-related .up-kinetic span { -webkit-text-stroke-color: rgba(var(--signal-rgb), .1); }

/* ---------- Toolbar / status ---------- */
.up-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px 40px; margin-bottom: 24px; }
.up-filter { flex: 1 1 auto; min-width: 0; }
.up-filter .c-chip { gap: 8px; background: var(--paper); }
.up-filter .c-chip.is-active { background: var(--ink); }
.up-search { width: min(340px, 100%); background: var(--paper); }
.up-search input::-webkit-search-cancel-button { -webkit-appearance: none; }

.up-status {
    display: flex; align-items: center; flex-wrap: wrap; gap: 10px 18px;
    padding: 16px 0; margin-bottom: clamp(48px, 6vw, 88px);
    border-top: 1.5px solid var(--ink); border-bottom: 1px solid var(--line-2);
    background: var(--paper);
}
.up-status__label {
    display: inline-flex; align-items: center; height: 30px; padding: 0 12px; border-radius: var(--r-xs);
    font-size: 13px; font-weight: 650; color: var(--paper); background: var(--ink);
}
.up-status__q { color: var(--ink); font-weight: 650; }
.up-status__reset {
    display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px 0 10px; border-radius: var(--r-pill);
    box-shadow: inset 0 0 0 1px var(--ink); font-size: 13px; font-weight: 600;
    transition: background .3s var(--ease), color .3s var(--ease), box-shadow .3s;
}
.up-status__reset:hover { background: var(--signal); color: var(--on-signal); box-shadow: inset 0 0 0 1px var(--signal); }
.up-status__reset svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.up-status__page { margin-left: auto; font-size: 13px; color: var(--muted); }
.up-status__page b { color: var(--ink); font-weight: 600; }
/* 데스크톱: 검색창 밑줄과 상태 바 윗선이 평행한 이중선이 되지 않도록 검색창이 상태 바의 룰 위에 바로 앉는다 */
@media (min-width: 761px) {
    .up-toolbar { align-items: flex-end; margin-bottom: 0; }
    .up-filter { padding-bottom: 8px; }
    .up-search { height: 58px; border-bottom: 0; background: transparent; }
    .up-search::after { bottom: -1.5px; }
}

/* ---------- Timeline ---------- */
.up-tl {
    --date-w: 168px; --node-w: 64px; --rail-x: calc(var(--date-w) + var(--node-w) / 2);
    position: relative;
}
.up-tl__rail {
    position: absolute; left: var(--rail-x); top: 19px; bottom: 14px; width: 2px; margin-left: -1px;
    background: var(--line-2); overflow: hidden; pointer-events: none;
}
/* 레일 채움: JS 가 --p(0~1)를 갱신. JS 가 없으면 처음부터 채워진 상태 */
.up-tl__fill { position: absolute; inset: 0; display: block; background: var(--signal); transform-origin: 50% 0; will-change: transform; }
html.js .up-tl:not(.is-static) .up-tl__fill { transform: scaleY(var(--p, 0)); }
/* 진행 표지: 레일 끝을 따라 내려오는 마름모 */
.up-tl__head {
    position: absolute; left: var(--rail-x); top: calc(19px + (100% - 33px) * var(--p, 0)); z-index: 2; display: none;
    width: 12px; height: 12px; margin: -6px 0 0 -6px; background: var(--signal); pointer-events: none;
    transform: rotate(45deg); box-shadow: 0 0 0 4px var(--paper), 0 0 0 5.5px var(--signal);
    opacity: min(1, calc(var(--p, 0) * 40));   /* 맨 위(p=0)에서는 숨김 -> 내려가기 시작하면 나타남 */
}
.up-tl.is-live .up-tl__head { display: block; }
.up-tl__list { position: relative; display: flex; flex-direction: column; }

/* 월 구분 */
.up-tl__month, .up-tl__end {
    display: grid; grid-template-columns: var(--date-w) var(--node-w) minmax(0, 1fr); align-items: center;
}
.up-tl__month { padding: 8px 0 30px; }
.up-tl__month:not(:first-child) { padding-top: 26px; }
.up-tl__mnode {
    grid-column: 2; justify-self: center; position: relative; width: 22px; height: 22px; border-radius: 50%;
    background: var(--paper); box-shadow: inset 0 0 0 1.5px var(--ink);
}
.up-tl__mnode::after {
    content: ""; position: absolute; inset: 6px; border-radius: 50%; background: var(--ink-3);
    transform: scale(.4); transition: transform .6s var(--ease-back), background .4s var(--ease);
}
.up-tl__mnode::before { /* 지나가는 순간 한 번 퍼지는 링 */
    content: ""; position: absolute; inset: -1px; border-radius: 50%; border: 1.5px solid var(--signal); opacity: 0;
}
.up-tl__month.is-passed .up-tl__mnode::after { transform: scale(1); background: var(--signal); }
.up-tl.is-live .up-tl__month.is-passed .up-tl__mnode::before { animation: up-ring 1.1s var(--ease) both; }
@keyframes up-ring { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(2.6); opacity: 0; } }
.up-tl__mlabel { grid-column: 3; display: flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: .14em; color: var(--ink); }
.up-tl__mlabel::after { content: ""; flex: 1; height: 1px; background: var(--line-2); transform-origin: 0 50%; transition: transform 1.2s var(--ease); }
html.js .up-tl:not(.is-static) .up-tl__month:not(.is-passed) .up-tl__mlabel::after { transform: scaleX(0); }
.up-tl__mlabel i { font-style: normal; color: var(--signal); margin: 0 8px; }
.up-tl__mlabel em { color: var(--muted); margin-left: 12px; font-size: 11px; letter-spacing: .2em; }

.up-tl__end { padding-top: 6px; }
.up-tl__enode { grid-column: 2; justify-self: center; width: 10px; height: 10px; background: var(--ink-3); transform: rotate(45deg); transition: background .4s; }
.up-tl__end.is-passed .up-tl__enode { background: var(--signal); }
.up-tl__elabel { grid-column: 3; font-size: 13px; color: var(--muted); }

/* 항목 */
.up-tl__item {
    display: grid; grid-template-columns: var(--date-w) var(--node-w) minmax(0, 1fr); align-items: start;
    padding-bottom: clamp(18px, 2.2vw, 30px);
}
.up-date { display: flex; flex-direction: column; align-items: flex-end; text-align: right; padding-top: 20px; }
.up-date__day {
    font-family: var(--font-mono); font-size: clamp(44px, 4.2vw, 64px); font-weight: 500; line-height: .9; letter-spacing: -0.05em;
    font-variant-numeric: tabular-nums; color: var(--ink); -webkit-text-stroke: 1px var(--ink);
    transition: color .7s var(--ease), -webkit-text-stroke-color .7s var(--ease);
}
html.js .up-tl:not(.is-static) .up-tl__item:not(.is-passed) .up-date__day { color: transparent; -webkit-text-stroke-color: var(--ink-3); }
.up-date__ym { margin-top: 12px; font-size: 12.5px; letter-spacing: .08em; color: var(--ink-3); }
.up-date__dow { margin-top: 3px; font-size: 11px; letter-spacing: .2em; color: var(--muted); transition: color .5s var(--ease); }
.up-tl__item.is-passed .up-date__dow { color: var(--signal); }

.up-node {
    grid-column: 2; justify-self: center; position: relative; margin-top: 34px; width: 14px; height: 14px;
    background: var(--paper); box-shadow: inset 0 0 0 1.5px var(--ink-3); transform: rotate(45deg);
    transition: background .5s var(--ease), box-shadow .5s var(--ease), transform .7s var(--ease-back);
}
.up-tl__item.is-passed .up-node { background: var(--signal); box-shadow: inset 0 0 0 1.5px var(--signal), 0 0 0 6px var(--signal-soft); transform: rotate(45deg) scale(1.08); }
.up-node::after { /* 노드에서 카드로 이어지는 연결선 (지나가면 인디고로) */
    content: ""; position: absolute; left: 50%; top: 50%; width: 22px; height: 1.5px; background: var(--line-2);
    transform: rotate(-45deg) translate(6px, -6px); transform-origin: 0 50%; transition: background .5s var(--ease);
}
.up-tl__item.is-passed .up-node::after { background: var(--signal); }

/* 카드 */
.up-card {
    --mx: 50%; --my: 50%;
    grid-column: 3; position: relative; isolation: isolate; overflow: hidden;
    display: flex; flex-direction: column; gap: 12px; min-width: 0;
    padding: 26px 30px 22px; border-radius: var(--r-lg);
    background: var(--white); box-shadow: inset 0 0 0 1px var(--line);
    transition: translate .7s var(--ease), box-shadow .7s var(--ease);
}
.up-card::before {
    content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background: radial-gradient(520px circle at var(--mx) var(--my), rgba(var(--signal-rgb), .07), transparent 42%);
    opacity: 0; transition: opacity .5s var(--ease);
}
.up-card::after { /* 왼쪽 인디고 바 */
    content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 3px; border-radius: 0 3px 3px 0;
    background: var(--signal); transform: scaleY(0); transition: transform .6s var(--ease);
}
.up-card:hover { translate: 8px 0; box-shadow: inset 0 0 0 1px transparent, var(--shadow-2); }
.up-card:hover::before { opacity: 1; }
.up-card:hover::after { transform: scaleY(1); }
.up-card__chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.up-card__title { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: clamp(20px, 1.75vw, 26px); font-weight: 700; line-height: 1.32; letter-spacing: -0.03em; }
.up-card__product { min-width: 0; text-wrap: pretty; }
.up-ver {
    display: inline-flex; align-items: center; height: 30px; padding: 0 12px; border-radius: var(--r-pill);
    background: var(--paper-2); color: var(--ink); font-size: 14px; font-weight: 600; letter-spacing: 0; white-space: nowrap;
    transition: background .45s var(--ease), color .45s var(--ease);
}
.up-card:hover .up-ver, .up-mini:hover .up-ver { background: var(--signal); color: var(--on-signal); }
.up-card__excerpt {
    max-width: 76ch; font-size: 15px; line-height: 1.7; color: var(--ink-3);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.up-card__foot { display: flex; align-items: center; gap: 16px; margin-top: 4px; padding-top: 16px; border-top: 1px solid var(--line); }
.up-card__meta { margin-right: auto; font-size: 13px; color: var(--muted); }
.up-card__meta b { margin-left: 4px; font-weight: 500; letter-spacing: .04em; color: var(--ink-3); }
.up-card__more { font-size: 14px; font-weight: 600; color: var(--signal); opacity: 0; transform: translateX(10px); transition: opacity .45s var(--ease), transform .6s var(--ease); }
.up-card:hover .up-card__more { opacity: 1; transform: none; }
.up-card .c-arrow { width: 42px; height: 42px; }
.up-card .c-arrow svg { width: 16px; height: 16px; }

.up-empty p:not(.c-empty__title) { max-width: 420px; }
.up-empty .c-btn { margin-top: 10px; }
.up-empty__icon, .up-404__icon { width: 52px; height: 52px; fill: none; stroke: var(--signal); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 자료실 바로가기 ---------- */
.up-explore__title { margin-bottom: clamp(28px, 4vw, 52px); }
.up-explore__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1.5px solid var(--ink); border-bottom: 1px solid var(--line-2); }
.up-explore__list > li + li { border-left: 1px solid var(--line-2); }
.up-explore__link {
    position: relative; isolation: isolate; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end;
    row-gap: 10px; column-gap: 16px; height: 100%; padding: 30px 26px 32px;
}
.up-explore__link::before {
    content: ""; position: absolute; inset: 0; z-index: -1; background: var(--white);
    transform: scaleY(0); transform-origin: 50% 100%; transition: transform .6s var(--ease);
}
.up-explore__link:hover::before { transform: scaleY(1); }
.up-explore__icon {
    grid-column: 1; width: 44px; height: 44px; margin-bottom: 26px;
    fill: none; stroke: var(--signal); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
    transition: transform .7s var(--ease);
}
.up-explore__link:hover .up-explore__icon { transform: translateY(-4px); }
.up-explore__num { grid-column: 2; grid-row: 1; align-self: start; font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.up-explore__link strong { grid-column: 1; font-size: clamp(22px, 2vw, 28px); font-weight: 700; letter-spacing: -0.035em; line-height: 1.25; }
.up-explore__link em { grid-column: 1; font-size: 15px; color: var(--muted); }
.up-explore__link .c-arrow { grid-column: 2; grid-row: 2 / 4; align-self: end; }

/* ==========================================================================
   Detail
   ========================================================================== */
.up-read { padding-top: clamp(48px, 6vw, 88px); }
.up-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: clamp(28px, 3.6vw, 44px); }
.up-back { display: inline-flex; align-items: center; gap: 10px; min-width: 0; min-height: 40px; font-size: 14px; font-weight: 600; color: var(--ink-3); transition: color .3s; }
.up-back span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up-back svg { flex: none; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .5s var(--ease); }
.up-back:hover { color: var(--ink); }
.up-back:hover svg { transform: translateX(-4px); }
.up-share {
    flex: none; display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: var(--r-pill);
    box-shadow: inset 0 0 0 1px var(--line-2); font-size: 13.5px; font-weight: 600; white-space: nowrap;
    transition: background .35s var(--ease), color .35s var(--ease), box-shadow .35s;
}
.up-share svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.up-share:hover { background: var(--ink); color: var(--paper); box-shadow: inset 0 0 0 1px var(--ink); }
.up-share.is-done { background: var(--signal); color: var(--on-signal); box-shadow: inset 0 0 0 1px var(--signal); }

/* 릴리즈 헤더: 다크 패널 (data-theme="dark" 로 강조색이 옐로우) */
.up-release {
    position: relative; isolation: isolate; overflow: hidden;
    padding: clamp(28px, 4.4vw, 64px); margin-bottom: clamp(48px, 6vw, 96px);
    border-radius: var(--r-xl); background: var(--night); color: #fff;
}
.up-release::before { /* 상단 테이프 탭 */
    content: ""; position: absolute; left: clamp(28px, 4.4vw, 64px); top: 0; width: 72px; height: 6px; background: var(--tape);
}
/* 등장: 종이색 막이 오른쪽으로 걷히며 패널이 드러난다 (clip-path 를 쓰지 않아 안쪽 요소의 등장 감지에 영향 없음) */
html.js .up-release::after {
    content: ""; position: absolute; inset: -1px; z-index: 6; pointer-events: none;
    background: var(--paper); transform-origin: 100% 50%;
    transition: transform 1.25s var(--ease-io) .05s;
}
html.js .up-release.is-in::after { transform: scaleX(0); }
html.js:not(.c-ready) .up-release::after { animation: up-curtain-failsafe .6s ease 2.4s forwards; }
@keyframes up-curtain-failsafe { to { transform: scaleX(0); } }
/* 헥스 텍스처는 우상단 모서리에만 (하단 facts 행 · 제목 뒤로 번지지 않게) */
.up-release__field {
    position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; opacity: .45;
    -webkit-mask-image: radial-gradient(ellipse 60% 80% at 100% 0%, #000 20%, transparent 74%);
            mask-image: radial-gradient(ellipse 60% 80% at 100% 0%, #000 20%, transparent 74%);
}
.up-release__grid {
    position: absolute; left: 0; right: 0; top: -14%; bottom: -14%; z-index: -2; pointer-events: none;
    background-image: linear-gradient(var(--night-line) 1px, transparent 1px), linear-gradient(90deg, var(--night-line) 1px, transparent 1px);
    background-size: 64px 64px; background-position: -1px -1px;
    -webkit-mask-image: radial-gradient(ellipse 70% 90% at 80% 30%, #000 15%, transparent 72%); mask-image: radial-gradient(ellipse 70% 90% at 80% 30%, #000 15%, transparent 72%);
}
.up-release__ghost {
    position: absolute; right: -.02em; bottom: -.2em; z-index: -1; pointer-events: none; white-space: nowrap;
    font-family: var(--font-mono); font-size: clamp(110px, 16vw, 260px); font-weight: 500; line-height: 1; letter-spacing: -0.07em;
    color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, .09);
}
.up-release__top {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px;
    padding-bottom: 22px; border-bottom: 1px solid var(--night-line-2);
}
.up-release__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.up-badge-new { background: transparent; color: var(--signal); box-shadow: inset 0 0 0 1px var(--signal); }
.up-release__title {
    max-width: 1000px; margin-top: clamp(28px, 3.6vw, 52px);
    font-size: clamp(32px, 4.6vw, 72px); line-height: 1.08; letter-spacing: -0.048em; font-weight: 740; text-wrap: balance;
}
.up-release__ver { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 20px; margin-top: clamp(14px, 1.6vw, 22px); }
.up-release__vlabel { font-size: 14px; font-weight: 600; color: var(--fog-2); }
.up-release__vnum {
    font-size: clamp(38px, 6.2vw, 100px); font-weight: 500; line-height: 1; letter-spacing: -0.045em;
    color: var(--signal); overflow-wrap: anywhere; white-space: normal;
}
.up-release__facts {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: clamp(32px, 4vw, 56px); border-top: 1px solid var(--night-line-2);
}
.up-release__facts > div { min-width: 0; padding: 18px 20px 0 0; }
.up-release__facts > div + div { padding-left: 20px; border-left: 1px solid var(--night-line); }
.up-release__facts dt { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--fog-2); }
.up-fact__icon { flex: none; width: 18px; height: 18px; fill: none; stroke: var(--signal); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.up-release__facts dd { margin-top: 8px; font-size: 16px; font-weight: 550; color: #fff; overflow-wrap: anywhere; }
.up-release__facts dd.c-mono { font-weight: 400; letter-spacing: .02em; }

/* 본문 (한 단, 가운데) */
.up-body { max-width: 860px; margin: 0 auto; }
.up-orig {
    display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-bottom: clamp(28px, 3.4vw, 44px);
    padding: 14px 0; border-top: 1.5px solid var(--ink); border-bottom: 1px solid var(--line-2);
    font-size: 15px; line-height: 1.6; color: var(--ink-2); overflow-wrap: anywhere;
}
.up-orig span { flex: none; font-size: 13px; font-weight: 650; color: var(--muted); }

/* 레거시 에디터 인라인 스타일 정리 (MsoNormal 등) */
.up-prose :not(pre):not(code) { font-family: inherit !important; }
.up-prose p, .up-prose span, .up-prose font, .up-prose div, .up-prose li { font-size: inherit !important; line-height: inherit !important; }
.up-prose p, .up-prose div { text-align: left !important; }
.up-prose [style*="color"] { color: inherit !important; }
.up-prose a[style*="color"] { color: var(--signal) !important; }
.up-prose [style*="background"] { background: transparent !important; }
.up-prose p[style*="margin"] { margin-top: 0 !important; margin-bottom: .55em !important; }
.up-prose img { margin: .6em 0; box-shadow: inset 0 0 0 1px var(--line); }
.up-prose b, .up-prose strong { font-weight: 700; }

.up-links a { gap: 14px; }
.up-links__url { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-mono); font-size: 14px; }
.up-attach-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; margin-left: 6px; padding: 0 6px; border-radius: var(--r-pill); background: var(--ink); color: var(--paper); font-size: 11px; letter-spacing: 0; }
.up-attach-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up-attach-size { flex: none; font-size: 12px; color: var(--muted); }

/* 이전 · 다음 */
.up-postnav strong { font-size: 16px; }
.up-postnav a, .up-postnav > span { padding: 28px 18px; }
.up-postnav small { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-sans); font-size: 13px; font-weight: 600; letter-spacing: 0; transition: color .3s; }
.up-postnav small svg { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .5s var(--ease); }
.up-postnav a:hover small { color: var(--signal); }
.up-postnav a:hover .up-dir--prev { transform: translateX(-4px); }
.up-postnav a:hover .up-dir--next { transform: translateX(4px); }
.up-icon-list { width: 16px; height: 16px; }
.c-btn:hover .up-icon-list { transform: none; }

/* 같은 제품군 미니 카드 */
.up-mini {
    --mx: 50%; --my: 50%;
    position: relative; isolation: isolate; overflow: hidden; min-width: 0;
    display: flex; flex-direction: column; align-items: flex-start; gap: 12px; min-height: 252px;
    padding: 26px 26px 22px; border-radius: var(--r-lg); background: var(--white); box-shadow: inset 0 0 0 1px var(--line);
    transition: translate .7s var(--ease), box-shadow .7s var(--ease);
}
.up-mini::after {
    content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background: radial-gradient(480px circle at var(--mx) var(--my), rgba(var(--signal-rgb), .08), transparent 42%);
    opacity: 0; transition: opacity .5s var(--ease);
}
.up-mini:hover { translate: 0 -6px; box-shadow: inset 0 0 0 1px transparent, var(--shadow-2); }
.up-mini:hover::after { opacity: 1; }
.up-mini__top { display: flex; justify-content: space-between; gap: 12px; width: 100%; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.up-mini__top time { letter-spacing: .04em; }
.up-mini__cat { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 600; color: var(--ink-3); }
.up-mini__title { margin-top: 4px; font-size: clamp(19px, 1.5vw, 22px); font-weight: 700; line-height: 1.35; letter-spacing: -0.03em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.up-mini__excerpt { font-size: 14.5px; line-height: 1.7; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.up-mini__foot { margin-top: auto; align-self: flex-end; }
.up-mini .c-arrow { width: 42px; height: 42px; }

/* 빈 칸 채움: 전체 업데이트로 가는 다크 타일 (data-theme="dark") */
.up-mini--all { display: none; background: var(--night); color: #fff; box-shadow: inset 0 0 0 1px var(--night-line); }
.up-mini--all::before {
    content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background-image: linear-gradient(var(--night-line) 1px, transparent 1px), linear-gradient(90deg, var(--night-line) 1px, transparent 1px);
    background-size: 44px 44px; background-position: -1px -1px;
    -webkit-mask-image: radial-gradient(ellipse 80% 90% at 100% 0%, #000 10%, transparent 70%); mask-image: radial-gradient(ellipse 80% 90% at 100% 0%, #000 10%, transparent 70%);
}
.up-mini--all .up-mini__top { color: var(--fog-2); border-bottom-color: var(--night-line-2); }
.up-mini__label { display: inline-flex; align-items: center; gap: 8px; color: #fff; letter-spacing: .14em; }
.up-mini__label::before { content: ""; width: 8px; height: 8px; background: var(--signal); }
.up-mini__icon { width: 40px; height: 40px; margin-top: 18px; fill: none; stroke: var(--signal); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform 1.2s var(--ease); }
.up-mini--all:hover .up-mini__icon { transform: rotate(-180deg); }
.up-mini--all .up-mini__title { margin-top: auto; color: #fff; font-size: clamp(21px, 1.7vw, 25px); }
.up-mini--all .up-mini__excerpt { color: var(--fog); }
.up-mini--all .up-mini__foot { margin-top: 6px; }
.up-mini--all .c-arrow { color: #fff; box-shadow: inset 0 0 0 1px var(--night-line-2); }
.up-mini--all:hover .c-arrow { background: var(--signal); color: var(--on-signal); box-shadow: none; }
.up-fill--c1 { display: flex; grid-column: span 1; }
.up-fill--c2 { display: flex; grid-column: span 2; }

/* 404 */
.up-404 { position: relative; max-width: 900px; margin: 0 auto; }
.up-404__code {
    display: block; margin-bottom: -.32em; text-align: center; pointer-events: none;
    font-size: clamp(120px, 22vw, 280px); font-weight: 800; line-height: 1; letter-spacing: -0.07em;
    color: transparent; -webkit-text-stroke: 1.5px var(--line-2);
}
.up-404__box { position: relative; background-color: var(--paper); }
.up-404__box p { text-wrap: balance; }
.up-404__box .c-btn { margin-top: 12px; }
.up-404__recent { margin-top: clamp(48px, 6vw, 80px); }
.up-404__recent .c-rule { margin-bottom: 8px; }
.up-404__list { border-bottom: 1px solid var(--line-2); }
.up-404__list li + li { border-top: 1px solid var(--line); }
.up-404__list a {
    display: grid; grid-template-columns: 112px minmax(0, 1fr) 20px; align-items: center; gap: 20px;
    min-height: 64px; padding: 14px 6px; transition: background .4s var(--ease), padding .5s var(--ease);
}
.up-404__list time { font-size: 12.5px; letter-spacing: .06em; color: var(--muted); }
.up-404__tt { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 12px; min-width: 0; font-size: 16.5px; font-weight: 600; letter-spacing: -0.02em; }
.up-404__tt .up-ver { height: 26px; padding: 0 10px; font-size: 12.5px; }
.up-404__list svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .5s var(--ease), color .3s; }
.up-404__list a:hover { background: var(--white); padding-left: 14px; padding-right: 14px; }
.up-404__list a:hover svg { color: var(--signal); transform: translateX(4px); }
.up-404__list a:hover .up-ver { background: var(--signal); color: var(--on-signal); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .up-tl { --date-w: 118px; --node-w: 52px; }
    .up-card { padding: 24px 24px 20px; }
    .up-explore__list { grid-template-columns: 1fr; }
    .up-explore__list > li + li { border-left: 0; border-top: 1px solid var(--line-2); }
    .up-explore__link { grid-template-columns: 44px minmax(0, 1fr) auto; column-gap: 20px; align-items: center; padding: 24px 6px 26px; }
    .up-explore__icon { grid-row: 1 / 3; margin-bottom: 0; }
    .up-explore__num { display: none; }
    .up-explore__link strong { grid-column: 2; grid-row: 1; }
    .up-explore__link em { grid-column: 2; grid-row: 2; }
    .up-explore__link .c-arrow { grid-column: 3; grid-row: 1 / 3; align-self: center; }
    .up-release__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .up-release__facts > div:nth-child(3) { padding-left: 0; border-left: 0; }
    .up-release__facts > div:nth-child(n+3) { margin-top: 18px; border-top: 1px solid var(--night-line); }
    .up-fill--c1, .up-fill--c2 { display: none; }
    .up-fill--t1 { display: flex; grid-column: span 1; }
}
@media (max-width: 760px) {
    .up-kinetic span { font-size: clamp(64px, 20vw, 110px); }
    .up-board { padding-top: 120px; }
    .up-board > .up-kinetic { top: 22px; }
    .up-toolbar { flex-direction: column; align-items: stretch; gap: 16px; margin-bottom: 0; }
    .up-filter { flex: none; width: calc(100% + var(--gutter) * 2); max-width: calc(100% + var(--gutter) * 2); }
    .up-search { width: 100%; }
    /* 검색 밑줄이 상태 바의 윗선 역할: 평행한 이중선 제거 */
    .up-status { gap: 8px 12px; border-top: 0; padding-top: 14px; }
    .up-status__page { margin-left: 0; }

    .up-tl { --date-w: 0px; --node-w: 28px; --rail-x: 14px; }
    .up-tl__item { grid-template-columns: var(--node-w) minmax(0, 1fr); column-gap: 12px; padding-bottom: 22px; }
    .up-tl__month, .up-tl__end { grid-template-columns: var(--node-w) minmax(0, 1fr); column-gap: 12px; }
    .up-tl__mnode, .up-tl__enode { grid-column: 1; }
    .up-tl__mlabel, .up-tl__elabel { grid-column: 2; }
    .up-tl__mlabel em { display: none; }
    .up-tl__month { padding-bottom: 22px; }
    .up-date { grid-column: 2; grid-row: 1; flex-direction: row; align-items: baseline; gap: 10px; padding: 0 0 10px; text-align: left; }
    .up-date__day { font-size: 30px; }
    .up-date__ym, .up-date__dow { margin-top: 0; }
    .up-node { grid-column: 1; grid-row: 1; margin-top: 10px; width: 12px; height: 12px; }
    .up-node::after { display: none; }
    .up-card { grid-column: 2; grid-row: 2; padding: 20px 18px 16px; gap: 10px; border-radius: var(--r); }
    .up-card:hover { translate: none; }
    .up-card__title { font-size: 19px; gap: 6px 10px; }
    .up-ver { height: 26px; padding: 0 10px; font-size: 12.5px; }
    .up-card__more { display: none; }
    .up-card .c-arrow { width: 38px; height: 38px; }
    .up-tl__head { width: 10px; height: 10px; margin: -5px 0 0 -5px; }

    .up-status__reset { height: 40px; padding: 0 16px 0 14px; }
    .up-fill--t1 { display: none; }   /* 1열: 빈 칸 없음 */
    .up-explore__link { grid-template-columns: 36px minmax(0, 1fr) auto; column-gap: 16px; }
    .up-explore__icon { width: 36px; height: 36px; }
    .up-explore__link strong { font-size: 20px; }
    .up-explore__link em { font-size: 14px; }

    .up-bar { margin-bottom: 22px; }
    .up-share { height: 40px; padding: 0 14px; font-size: 13px; }
    /* 텍스트 링크의 터치 영역만 40px 이상으로 확장 (밑줄 위치는 그대로) */
    .up-related .c-sechead .c-link { position: relative; }
    .up-related .c-sechead .c-link::before { content: ""; position: absolute; inset: -11px -6px; }
    .up-404__list a { grid-template-columns: minmax(0, 1fr) 18px; row-gap: 6px; column-gap: 12px; padding: 16px 2px; }
    .up-404__list time { grid-column: 1; }
    .up-404__tt { grid-column: 1; font-size: 16px; }
    .up-404__list svg { grid-column: 2; grid-row: 1 / 3; }
    .up-release { border-radius: var(--r-lg); padding: 28px 20px 26px; }
    .up-release::before { left: 20px; width: 56px; height: 5px; }
    .up-release__field {
        opacity: .38;
        -webkit-mask-image: radial-gradient(ellipse 78% 52% at 100% 0%, #000 18%, transparent 74%);
                mask-image: radial-gradient(ellipse 78% 52% at 100% 0%, #000 18%, transparent 74%);
    }
    .up-release__ghost { font-size: 96px; }
    .up-release__top { flex-direction: column; align-items: flex-start; }
    .up-release__facts dd { font-size: 14.5px; }
    .up-release__facts > div { padding-right: 12px; }
    .up-release__facts > div + div { padding-left: 12px; }
    .up-release__facts > div:nth-child(3) { padding-left: 0; }
    .up-postnav a, .up-postnav > span { padding: 22px 6px; }
    .up-mini { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
    html.js .up-release::after { display: none; }
    html.js .up-tl .up-tl__fill { transform: none !important; }
    .up-tl__head { display: none !important; }
}