/* 柏格森 · 等糖化开：一杯糖水陪你读完整张名片。底色是几团跟着真实时间慢慢流动的颜色（绵延），
   每一问的书眉是一条刻度尺（空间化的时间）；文字在磨砂玻璃上，像隔着一杯水看。 */
.c-bergson {
  --bg: #f3eef3; --paper: #fdfbfd; --ink: #2a1f33; --ink-2: #4f4459; --ink-3: #5f5469; --rule: rgba(42, 31, 51, .14);
  --acc: #7b3f98; --acc-ink: #ffffff;
  --head: "Noto Serif SC", "Songti SC", serif; --body: "Noto Serif SC", "Songti SC", serif;
  --fr: "Fraunces", "Noto Serif SC", serif; --brush: "Zhi Mang Xing", "Noto Serif SC", serif;
  --glass: rgba(255, 255, 255, .56); --glass-b: rgba(255, 255, 255, .8); --glass-sh: 0 18px 50px -26px rgba(58, 28, 82, .42);
  --bar-bg: rgba(243, 238, 243, .78); --chip-bg: rgba(255, 255, 255, .72); --chip-ring: #fdfbfd;
  background-color: var(--bg);
}
.c-bergson .dlg .msg--me .msg__o summary { color: inherit; }
.c-bergson .dlg { --dlg-bg: #f1ebf2; --dlg-paper: #fffdff; --dlg-ink: #2a1f33; --dlg-ink-2: #4f4459; --dlg-ink-3: #6b5f74; --dlg-me: #4a2a5c; --dlg-me-ink: #fbf6fd; --dlg-acc: #7b3f98;
  --dlg-rule: rgba(42, 31, 51, .13); --dlg-mod: rgba(123, 63, 152, .08); }
.c-bergson .c3bar { border-bottom: 1px solid rgba(42, 31, 51, .1); }
.c-bergson .c3bar__prog { height: 3px; background: linear-gradient(90deg, #c9a7dc, #f2b8a2, #f5d58e, #a9d8c8, #b7c4ee); }
.c-bergson .mk { font-size: 12.5px; letter-spacing: .16em; color: var(--ink-3); }
.c-bergson .c3-btn { border-radius: 999px; min-height: 42px; padding: 8px 18px; }
.c-bergson .c3-btn--go { background: var(--ink); border-color: var(--ink); color: #fdfbfd; }
.c-bergson .c3-btn--deep { background: var(--glass); border-color: rgba(42, 31, 51, .35); color: var(--ink); }
.c-bergson .c3-btn:hover { background: var(--acc); border-color: var(--acc); color: #fff; }

/* 流动的底色：跟着时间，不跟着滚动 */
.bg-flow { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-flow i { position: absolute; width: 72vmax; height: 72vmax; border-radius: 50%; opacity: .55; will-change: transform;
  background: radial-gradient(closest-side, var(--c) 0%, color-mix(in srgb, var(--c) 40%, transparent) 46%, transparent 72%);
  animation: bg-drift var(--d) ease-in-out var(--del) infinite alternate; }
.bg-flow i:nth-child(1) { --c: #d7bde6; --d: 74s; --del: -12s; left: -24vmax; top: -30vmax; }
.bg-flow i:nth-child(2) { --c: #f6cdb6; --d: 92s; --del: -40s; right: -26vmax; top: -12vmax; }
.bg-flow i:nth-child(3) { --c: #f3e2a8; --d: 83s; --del: -25s; left: 18vmax; bottom: -38vmax; }
.bg-flow i:nth-child(4) { --c: #bfe2d7; --d: 101s; --del: -63s; right: -30vmax; bottom: -30vmax; }
.bg-flow i:nth-child(5) { --c: #c9d2f2; --d: 117s; --del: -8s; left: -32vmax; bottom: -10vmax; }
@keyframes bg-drift {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(14vmax, 9vmax) scale(1.14); }
  66% { transform: translate(-6vmax, 16vmax) scale(.9); }
  100% { transform: translate(10vmax, -8vmax) scale(1.08); }
}

/* 目录：刻度尺上的一颗软软的点 */
.c-bergson .c3toc a { font-family: var(--fr); font-size: 13px; color: var(--ink-3); }
.c-bergson .c3toc a::after { width: 9px; height: 9px; border: 0; background: rgba(42, 31, 51, .22); transition: transform .4s, background .4s; }
.c-bergson .c3toc a[aria-current="true"] { color: var(--ink); }
.c-bergson .c3toc a[aria-current="true"]::after { background: radial-gradient(circle, #fff 0 18%, #c9a7dc 40%, #f2b8a2 75%); transform: scale(1.9); box-shadow: 0 0 12px #e3c5ef; }

/* 玻璃面板 */
.bg-card, .bg-q__h, .bg-q__body, .bg-hero__l, .bg-hero__r, .bg-more > div, .bg-end__h {
  background: var(--glass); border: 1px solid var(--glass-b); border-radius: 22px; box-shadow: var(--glass-sh);
  -webkit-backdrop-filter: blur(16px) saturate(1.25); backdrop-filter: blur(16px) saturate(1.25); }
.bg-card { padding: 16px 18px 18px; }
.bg-card__k { margin: 0 0 8px; font-size: 13px; letter-spacing: .14em; color: var(--ink-3); }
.bg-card__k i { font-family: var(--fr); font-size: 1.25em; letter-spacing: 0; color: var(--ink); }

/* 按钮与滑块 */
.bg-btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; }
.bg-btns button { min-height: 42px; padding: 7px 16px; border: 1px solid rgba(42, 31, 51, .28); border-radius: 999px; background: rgba(255, 255, 255, .7);
  color: var(--ink); font: inherit; font-size: 14.5px; cursor: pointer; transition: background .25s, color .25s, border-color .25s; }
.bg-btns button:hover:not(:disabled) { border-color: var(--acc); color: var(--acc); }
.bg-btns button[aria-pressed="true"] { background: var(--acc); border-color: var(--acc); color: #fff; }
.bg-btns button:disabled { opacity: .45; cursor: default; }
.c-bergson input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 40px; margin: 0; background: transparent; cursor: pointer; }
.c-bergson input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, #c9a7dc, #f2b8a2, #f5d58e, #a9d8c8); }
.c-bergson input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, #c9a7dc, #f2b8a2, #f5d58e, #a9d8c8); }
.c-bergson input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; margin-top: -9px; border-radius: 50%; background: #fff; border: 2px solid var(--acc); box-shadow: 0 2px 8px rgba(58, 28, 82, .3); }
.c-bergson input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 2px solid var(--acc); }
.c-bergson input[type="range"]:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; border-radius: 8px; }
.bg-out { margin: 14px 4px 0; min-height: 3.4em; font-size: 15px; line-height: 1.8; color: var(--ink); }
.bg-out em { font-style: normal; color: var(--acc); }

/* ---------- 一杯水 ---------- */
.bg-g { display: block; width: 100%; height: auto; overflow: visible; }
.bg-g__back { fill: rgba(255, 255, 255, .28); stroke: rgba(42, 31, 51, .22); stroke-width: 1; }
.bg-g__s { fill: none; stroke: rgba(255, 255, 255, .95); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.bg-g__s:nth-child(even) { stroke: rgba(201, 167, 220, .9); stroke-width: 1.2; }
.bg-g__p { fill: #fff; }
.bg-g__ct { fill: #ffffff; stroke: rgba(42, 31, 51, .14); stroke-width: .8; }
.bg-g__cl { fill: #ece5f1; stroke: rgba(42, 31, 51, .14); stroke-width: .8; }
.bg-g__cr { fill: #dcd2e5; stroke: rgba(42, 31, 51, .14); stroke-width: .8; }
.bg-g__surf { fill: rgba(255, 255, 255, .32); stroke: rgba(255, 255, 255, .95); stroke-width: 1.5; }
.bg-g__wall { fill: none; stroke: rgba(42, 31, 51, .5); stroke-width: 1.3; stroke-linejoin: round; }
.bg-g__rim { fill: none; stroke: rgba(42, 31, 51, .55); stroke-width: 1.3; }
.bg-g__base { fill: none; stroke: rgba(42, 31, 51, .3); stroke-width: 1; }
.bg-g__hi { fill: none; stroke: rgba(255, 255, 255, .95); stroke-width: 5; stroke-linecap: round; opacity: .75; }
.bg-g__hi--2 { stroke-width: 2.4; opacity: .7; }
.bg-is-sweet .bg-g__water { filter: saturate(1.25); }

/* 页头的小杯子 */
.bg-hcup { display: inline-flex; align-items: center; justify-content: center; gap: 6px; margin-left: 4px; min-width: 40px; min-height: 40px; padding: 0 4px; color: inherit; text-decoration: none; font-size: 12.5px; white-space: nowrap; }
.bg-hcup svg { width: 18px; height: 24px; overflow: visible; }
.bg-hcup .w { fill: #cfe6ea; } .bg-hcup .g { fill: none; stroke: currentColor; stroke-width: 1.2; } .bg-hcup .c { fill: #fff; stroke: currentColor; stroke-width: .8; }
.bg-hcup span { opacity: .75; }

/* ---------- 首屏 ---------- */
.c-bergson .c3hero { padding-top: calc(var(--bar) + 22px); padding-bottom: 40px; }
@media (min-width: 861px) { .c-bergson .c3hero, .c-bergson .c3q, .c-bergson .c3end { padding-right: max(clamp(16px, 5vw, 72px), 96px); } }
.bg-hero { max-width: 1360px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr) minmax(0, 1fr);
  grid-template-areas: "l n r" "l cup r"; gap: 0 clamp(20px, 2.6vw, 40px); align-items: start; }
.bg-hero__n { grid-area: n; text-align: center; }
.bg-hero__l { grid-area: l; padding: 20px 22px 22px; margin-top: 18px; }
.bg-hero__r { grid-area: r; padding: 18px 20px 14px; margin-top: 18px; }
.bg-cup { grid-area: cup; margin: 4px auto 0; width: min(100%, 400px); }
.bg-k { margin: 0; font-size: 13px; letter-spacing: .18em; color: var(--ink-3); }
.bg-name { margin: 2px 0 0; font-family: var(--brush); font-weight: 400; font-size: clamp(84px, 9.4vw, 138px); line-height: 1.04; letter-spacing: .02em; color: var(--ink); }
.bg-en { margin: 2px 0 0; display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 2px 14px; font-family: var(--fr); }
.bg-en span:first-child { font-style: italic; font-size: 25px; font-variation-settings: "SOFT" 100; }
.bg-yrs { font-size: 17px; color: var(--ink-2); font-variation-settings: "SOFT" 100; }
.bg-who { margin: 0 0 6px; font-size: 18px; font-weight: 600; line-height: 1.6; }
.bg-now { margin: 0 0 14px; font-size: 14.5px; color: var(--ink-2); }
.bg-rel { margin: 0 0 14px; padding: 12px 0 0; border-top: 1px solid var(--rule); }
.bg-rel .mk { color: var(--acc); }
.bg-rel p:last-child { margin: 0; font-size: 14.5px; line-height: 1.8; }
.bg-go { margin: 0; }
.bg-cup figcaption { margin: -6px 0 0; text-align: center; font-size: 14px; line-height: 1.7; color: var(--ink-2); }
.bg-cup q { display: block; quotes: "“" "”"; font-size: 15px; color: var(--ink); }
.bg-cup__src { display: block; font-size: 12.5px; color: var(--ink-3); }
.bg-cup__st { display: inline-block; margin-top: 6px; padding: 2px 12px; border-radius: 999px; background: rgba(255, 255, 255, .62); font-size: 13px; color: var(--acc); }
.bg-books { list-style: none; margin: 0 0 14px; padding: 0; }
.bg-books a, .bg-bk { display: grid; grid-template-columns: 3.4em minmax(0, 1fr); gap: 6px; padding: 5px 0; min-height: 34px; border-bottom: 1px solid var(--rule); text-decoration: none; font-size: 14.5px; line-height: 1.5; }
.bg-books b, .c-bergson .c3-qlist b { font-family: var(--fr); font-weight: 400; color: var(--acc); font-variation-settings: "SOFT" 100; }
.bg-books a:hover span { color: var(--acc); }
.c-bergson .c3-qlist a { display: grid; grid-template-columns: 3.4em minmax(0, 1fr); gap: 6px; padding: 6px 0; min-height: 40px; border-bottom: 1px solid var(--rule); text-decoration: none; font-size: 14.5px; line-height: 1.5; }
.c-bergson .c3-qlist a:hover span { color: var(--acc); }
.bg-more { max-width: 1360px; margin: 34px auto 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); gap: clamp(16px, 2.2vw, 30px); align-items: start; }
.bg-more > div { padding: 18px 20px; }
.bg-mk2 { margin-top: 16px !important; }
.c-bergson .c3-feats { margin: 0; padding: 0; list-style: none; }
.c-bergson .c3-feats li { position: relative; padding: 5px 0 6px 18px; border-bottom: 1px solid var(--rule); font-size: 14.5px; line-height: 1.6; }
.c-bergson .c3-feats li::before { content: ""; position: absolute; left: 2px; top: .8em; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, #c9a7dc, #f2b8a2); }
.bg-facts { margin: 0; font-size: 14.5px; line-height: 1.9; color: var(--ink-2); }
.c-bergson .c3-books li, .c-bergson .c3-links li { padding: 5px 0; border-bottom: 1px solid var(--rule); font-size: 14px; line-height: 1.55; }
.c-bergson .c3-books a, .c-bergson .c3-links a { text-decoration: none; }
.c-bergson .c3-books a:hover, .c-bergson .c3-links a:hover { color: var(--acc); }

/* ---------- 每一问 ---------- */
.c-bergson .c3q { display: block; padding-top: calc(var(--bar) + 24px); padding-bottom: 60px; }
.bg-q { max-width: 1340px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); grid-template-areas: "h art" "body art"; gap: 0 clamp(20px, 3vw, 44px); align-items: start; }
.c-bergson .c3q:nth-of-type(odd) .bg-q { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); grid-template-areas: "art h" "art body"; }
.bg-q__h { grid-area: h; padding: 18px 24px 14px; border-bottom-left-radius: 0; border-bottom-right-radius: 0; border-bottom: 0; box-shadow: none; }
.bg-q__body { grid-area: body; padding: 4px 24px 22px; border-top-left-radius: 0; border-top-right-radius: 0; border-top: 0; box-shadow: var(--glass-sh); }
.bg-q__art { grid-area: art; }
.bg-life { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-family: var(--fr); font-size: 12px; color: var(--ink-3); }
.bg-life__r { position: relative; flex: 1; height: 12px; border-bottom: 1px solid rgba(42, 31, 51, .4); }
.bg-life__r i { position: absolute; bottom: 0; width: 1px; height: 6px; background: rgba(42, 31, 51, .4); }
.bg-life__r b { position: absolute; bottom: -5px; width: 9px; height: 9px; margin-left: -4.5px; border-radius: 50%; background: var(--acc); }
.bg-life__r em { position: absolute; bottom: 11px; left: 50%; transform: translateX(-50%); font-style: normal; font-size: 11px; color: var(--acc); }
.c-bergson .c3q__when { display: flex; align-items: baseline; gap: 12px; margin: 0; font-size: 13.5px; color: var(--ink-3); }
.c-bergson .c3q__when b { font-family: var(--fr); font-weight: 300; font-size: 46px; line-height: 1; color: var(--acc); font-variation-settings: "SOFT" 100, "opsz" 144; }
.c-bergson .c3q__q { margin: 8px 0 4px; font-family: var(--head); font-weight: 700; font-size: clamp(26px, 2.7vw, 38px); line-height: 1.32; }
.c-bergson .c3q__lede { margin: 6px 0 14px; font-size: 16px; line-height: 1.95; }
.c-bergson .c3-quote { margin: 16px 0; padding: 14px 18px; border: 0; border-radius: 16px; background: linear-gradient(120deg, rgba(201, 167, 220, .28), rgba(242, 184, 162, .24) 45%, rgba(169, 216, 200, .26)); }
.c-bergson .c3-quote blockquote p { font-size: 17px; font-weight: 600; line-height: 1.8; }
.c-bergson .c3-orig { font-family: var(--fr); font-variation-settings: "SOFT" 100; font-size: 14.5px; color: var(--ink-2); }
.c-bergson .c3-quote figcaption { color: var(--ink-3); }
.c-bergson .c3-tags li { border: 0; background: rgba(123, 63, 152, .09); color: var(--ink-2); }
.c-bergson .c3-works li { padding: 4px 0; border-bottom: 1px solid var(--rule); font-size: 14.5px; }
.c-bergson .c3-works a { text-decoration: none; font-weight: 600; }
.c-bergson .c3-works a:hover { color: var(--acc); }
.c-bergson .talk { border-color: rgba(255, 255, 255, .9); background: rgba(255, 255, 255, .7); }
.c-bergson .c3-ask { border-radius: 14px; border: 1px solid rgba(42, 31, 51, .2); background: rgba(255, 255, 255, .5); min-height: 40px; }
.c-bergson .c3-deeplink { color: var(--acc); }

/* 配图 */
.bg-fig { margin: 0; }
.bg-fig img { display: block; width: 100%; height: auto; }
.bg-fig figcaption, .bg-soul__cap { margin-top: 8px; font-size: 12.5px; line-height: 1.65; color: var(--ink-3); }

/* 一问：秒摆与旋律 */
.bg-dur { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.bg-dur__clock { position: relative; overflow: hidden; isolation: isolate; }
.c-bergson .bg-dur__plate { position: absolute; z-index: -1; left: -30px; top: -26px; width: auto; height: 128%; max-width: none; opacity: .26; pointer-events: none; }
.bg-dur__row { display: grid; grid-template-columns: minmax(150px, 210px) minmax(0, 1fr); align-items: center; gap: 18px; }
.bg-pend { display: block; width: 100%; height: auto; }
.bg-pend__sc line { stroke: rgba(42, 31, 51, .45); stroke-width: 1.2; }
.bg-pend__pv { fill: var(--ink); }
.bg-pend__arm line { stroke: var(--ink); stroke-width: 1.6; }
.bg-pend__arm circle { fill: #fff; stroke: var(--ink); stroke-width: 1.6; }
.bg-dur__n { margin: 0 0 8px; line-height: 1.1; }
.bg-dur__n b { font-family: var(--fr); font-weight: 300; font-size: 44px; color: var(--acc); font-variant-numeric: tabular-nums; margin-right: 8px; }
.bg-dur__n span { font-size: 13px; color: var(--ink-3); }
.bg-dots { display: grid; grid-template-columns: repeat(20, minmax(0, 1fr)); gap: 7px 4px; padding: 10px 0 4px; border-bottom: 1px solid rgba(42, 31, 51, .45); }
.bg-dots i { aspect-ratio: 1; width: 100%; max-width: 11px; justify-self: center; border-radius: 50%; border: 1px solid rgba(42, 31, 51, .35); background: rgba(255, 255, 255, .6); }
.bg-dots i.on { background: var(--ink); border-color: var(--ink); }
.bg-dur__dl { margin: 6px 0 0; font-size: 12.5px; color: var(--ink-3); }
.bg-band { height: 66px; border-radius: 33px; background: linear-gradient(90deg, #c9a7dc, #f2b8a2, #f5d58e, #a9d8c8, #b7c4ee, #e7a9c2); transition: background 1.6s; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7), 0 8px 24px -14px rgba(58, 28, 82, .45); }
.bg-band.is-on { animation: bg-breathe 1.4s ease-in-out infinite alternate; }
@keyframes bg-breathe { from { filter: saturate(1) brightness(1); } to { filter: saturate(1.35) brightness(1.06); } }
.bg-dur .bg-out { margin-top: 0; }
.bg-cap { margin: -6px 4px 0; font-size: 12.5px; line-height: 1.65; color: var(--ink-3); }

/* 二问：记忆锥体 */
.bg-mem { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); grid-template-areas: "cone side" "out side" "fig side"; gap: 14px; align-items: start; }
.bg-mem__cone { grid-area: cone; } .bg-mem__side { grid-area: side; } .bg-mem .bg-out { grid-area: out; margin-top: 0; } .bg-fig--fig4 { grid-area: fig; display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; align-items: end; }
.bg-fig--fig4 figcaption { margin: 0; }
.bg-cone { display: block; width: 100%; height: auto; }
.bg-cone__p { fill: rgba(169, 216, 200, .35); stroke: var(--ink); stroke-width: 1; }
.bg-cone__b { fill: rgba(201, 167, 220, .25); stroke: var(--ink); stroke-width: 1.2; }
.bg-cone__l { stroke: var(--ink); stroke-width: 1.2; }
.bg-cone__ring { fill: rgba(255, 255, 255, .6); stroke: rgba(42, 31, 51, .25); stroke-width: 4; }
.bg-cone__hab { fill: none; stroke: var(--acc); stroke-width: 4; stroke-linecap: round; transition: stroke-dasharray .6s; }
.bg-cone__s { fill: var(--ink); }
.bg-cone__t { font-family: var(--fr); font-style: italic; font-size: 19px; fill: var(--ink); }
.bg-cone__z { font-family: var(--body); font-size: 13px; fill: var(--ink-2); }
.bg-rec { transition: opacity .6s, transform .6s; }
.bg-lesson { margin: 0 0 12px; padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, .65); font-size: 16.5px; line-height: 1.9; min-height: 4.4em; }
.bg-lesson .sw { background: linear-gradient(90deg, rgba(245, 213, 142, .9), rgba(242, 184, 162, .6)); background-size: 0 100%; background-repeat: no-repeat; animation: bg-sweep 1.1s ease-out forwards; }
@keyframes bg-sweep { to { background-size: 100% 100%; } }
.bg-lesson .gh { color: transparent; border-bottom: 1px dotted rgba(42, 31, 51, .35); }
.bg-habit { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); }
.bg-habit i { flex: 1; height: 8px; border-radius: 4px; background: rgba(42, 31, 51, .1); overflow: hidden; }
.bg-habit b { display: block; height: 100%; width: 0; border-radius: 4px; background: var(--acc); transition: width .6s; }
.bg-recs { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 6px; }
.bg-recs li { display: flex; align-items: center; gap: 10px; padding: 6px 12px; border-radius: 12px; background: rgba(255, 255, 255, .7); font-size: 14px; animation: bg-in .6s ease-out; }
.bg-recs li i { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.bg-recs li time { margin-left: auto; font-family: var(--fr); font-size: 13.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
@keyframes bg-in { from { opacity: 0; transform: translateY(6px); } }

/* 三问：公式里的 t 与我的等待 */
.bg-sugar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "f w" "out out" "p10 p10"; gap: 14px; align-items: stretch; }
.bg-sugar__f { grid-area: f; display: flex; flex-direction: column; } .bg-sugar__w { grid-area: w; text-align: center; } .bg-sugar .bg-out { grid-area: out; margin-top: 0; } .bg-p10 { grid-area: p10; }
.bg-sugar__w .bg-card__k { text-align: left; }
.bg-sugar__w .bg-g { width: min(100%, 230px); margin: 0 auto; }
.bg-sugar__w .bg-btns { justify-content: center; }
.bg-sugar__st { margin: 0; font-size: 14px; color: var(--acc); }
.bg-fan { list-style: none; margin: 4px 0 6px; padding: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.bg-fan li { padding: 4px 2px; border-radius: 10px; transition: background .25s, transform .25s; }
.bg-fan li.on { background: rgba(123, 63, 152, .14); transform: translateY(-3px); }
.bg-fan svg { display: block; width: 100%; height: auto; }
.bg-mg__w { fill: rgba(185, 214, 227, .55); }
.bg-mg__g { fill: none; stroke: var(--ink); stroke-width: 1.4; stroke-linejoin: round; }
.bg-mg__c { fill: #fff; stroke: var(--ink); stroke-width: 1.1; }
.bg-fg { display: block; width: min(100%, 210px); height: auto; margin: 4px auto 0; overflow: visible; }
.bg-fg__w { fill: rgba(185, 214, 227, .4); }
.bg-fg__g { fill: none; stroke: var(--ink); stroke-width: 1.3; stroke-linejoin: round; }
.bg-fg__l { stroke: rgba(42, 31, 51, .35); stroke-width: 1; stroke-dasharray: 3 3; }
.bg-fg__s path { fill: none; stroke: rgba(42, 31, 51, .4); stroke-width: 1; stroke-dasharray: 2 3; }
.bg-fg__c { fill: #fff; stroke: var(--ink); stroke-width: 1.2; }
.bg-fg__t { font-family: var(--body); font-size: 8px; fill: var(--ink-3); }
.bg-t { display: grid; grid-template-columns: auto minmax(0, 1fr) 4.4em; align-items: center; gap: 10px; margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.bg-t i { font-family: var(--fr); font-size: 1.3em; color: var(--ink); }
.bg-t output { font-family: var(--fr); font-size: 18px; color: var(--acc); text-align: right; font-variant-numeric: tabular-nums; }
.bg-p10__im { padding: 14px 18px; border-radius: 16px; background: rgba(255, 255, 255, .55); }
.bg-p10__pic { position: relative; }
.bg-p10__pic img { display: block; width: 100%; height: auto; }
.bg-p10__pic span { position: absolute; height: 4.6%; background: linear-gradient(90deg, rgba(245, 213, 142, .6), rgba(242, 184, 162, .5)); mix-blend-mode: multiply; border-radius: 3px; pointer-events: none; }
.bg-p10 { max-height: 250px; overflow: hidden; border-radius: 16px; }

/* 四问：放映机 */
.bg-cine { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); grid-template-areas: "proj side" "out out"; gap: 14px; align-items: start; }
.bg-cine__proj { grid-area: proj; } .bg-cine__side { grid-area: side; display: grid; gap: 14px; } .bg-cine .bg-out { grid-area: out; margin-top: 0; }
.bg-fig--marey { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; align-items: start; }
.bg-fig--marey img { border-radius: 6px; }
.bg-fig--marey figcaption { margin: 0; }
.bg-cine__scr { position: relative; aspect-ratio: 896 / 584; border-radius: 12px; background: #1f1820 url("../img/bergson/cinema-frames.webp") 0 0 / 1100% 100% no-repeat;
  box-shadow: inset 0 0 0 6px #1f1820, 0 12px 30px -16px rgba(0, 0, 0, .6); }
.bg-cine__no { position: absolute; right: 12px; bottom: 10px; padding: 0 8px; border-radius: 999px; background: rgba(31, 24, 32, .75); color: #f6efe6; font-family: var(--fr); font-size: 13px; }
.bg-cine__ctl { display: flex; align-items: center; gap: 16px; margin-top: 12px; }
.bg-crank { flex: none; width: 92px; height: 92px; border-radius: 50%; cursor: grab; touch-action: none; }
.bg-crank:active { cursor: grabbing; }
.bg-crank svg { width: 100%; height: 100%; }
.bg-crank__w { fill: rgba(255, 255, 255, .75); stroke: var(--ink); stroke-width: 1.5; }
.bg-crank line { stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.bg-crank__h { fill: var(--acc); }
.bg-crank__c { fill: var(--ink); }
.bg-crank:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; }
.bg-cine__ctl .bg-btns { margin: 0; }
.bg-cine__im { position: relative; }
.bg-cine__box { position: absolute; border: 3px solid #f5d58e; border-radius: 4px; box-shadow: 0 0 0 2px rgba(31, 24, 32, .5), 0 0 20px rgba(245, 213, 142, .8); transition: left .08s, top .08s; pointer-events: none; }
.bg-cine__film img { border-radius: 10px; box-shadow: 0 16px 30px -18px rgba(0, 0, 0, .55); }

/* 五问：炮弹里的旅行者 */
.bg-ein { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "photo photo" "trip out"; gap: 14px 18px; align-items: start; }
.bg-fig--photo { grid-area: photo; } .bg-ein__trip { grid-area: trip; } .bg-ein .bg-out { grid-area: out; margin-top: 4px; }
.bg-fig--photo img { border-radius: 14px; box-shadow: 0 16px 30px -18px rgba(0, 0, 0, .5); }
.bg-trip { display: block; width: 100%; height: auto; font-family: var(--body); font-size: 15px; }
.bg-trip text { fill: var(--ink-2); }
.bg-trip__e { fill: #a9d8c8; stroke: var(--ink); stroke-width: 1.2; }
.bg-trip__s { fill: #f5d58e; stroke: var(--ink); stroke-width: 1; }
.bg-trip__path { stroke: rgba(42, 31, 51, .35); stroke-dasharray: 3 5; }
.bg-trip__b { fill: var(--ink); }
.bg-clocks { display: grid; grid-template-columns: 1fr; gap: 8px; margin-top: 6px; }
.bg-clocks p { display: flex; align-items: baseline; gap: 6px; margin: 0; padding: 8px 14px; border-radius: 14px; background: rgba(255, 255, 255, .65); }
.bg-clocks span { font-size: 13.5px; color: var(--ink-2); }
.bg-clocks b { margin-left: auto; font-family: var(--fr); font-weight: 300; font-size: 36px; line-height: 1; color: var(--acc); font-variant-numeric: tabular-nums; }
.bg-clocks em { font-style: normal; font-size: 13.5px; }

/* 六问：放大的身体 */
.bg-soul__st { display: grid; gap: 10px; }
.bg-soul__frame { position: relative; height: clamp(250px, 46vh, 430px); overflow: hidden; border-radius: 16px; background: linear-gradient(180deg, rgba(255, 255, 255, .7), rgba(232, 222, 238, .6)); }
.c-bergson .bg-soul__eng { position: absolute; left: 50%; bottom: 0; width: auto; height: 24%; max-width: none; transform-origin: 50% 100%; transform: translateX(-50%); transition: transform .12s linear; }
.c-bergson .bg-soul__eng { height: 33%; }
.bg-soul__man { position: absolute; left: 18px; bottom: 8px; width: 26px; height: auto; overflow: visible; }
.bg-soul__man circle:first-child { fill: var(--ink); }
.bg-soul__man path { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.bg-soul__glow { fill: #f5d58e; filter: drop-shadow(0 0 4px #f2b8a2); }
.bg-soul__lb { position: absolute; left: 10px; bottom: 74px; font-size: 12.5px; white-space: nowrap; color: var(--ink-2); }
.bg-soul__ctl { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 12px; font-size: 14px; color: var(--ink-2); }
.bg-soul__cap { margin: 0 4px; }

/* ---------- 结尾 ---------- */
.c-bergson .c3end { padding-top: calc(var(--bar) + 30px); }
.bg-end { max-width: 1340px; margin: 0 auto; }
.bg-end__h { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 18px; padding: 18px 24px; }
.c-bergson .c3end h2 { margin: 0; font-family: var(--brush); font-weight: 400; font-size: clamp(40px, 5vw, 66px); }
.bg-end__cup { margin: 0; font-size: 15px; color: var(--ink-2); }
.bg-end__cup span { color: var(--acc); }
.c-bergson .c3-lin li { border: 1px solid var(--glass-b); border-radius: 18px; background: var(--glass); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.c-bergson .c3-lin b { font-size: 16px; }
.c-bergson .c3-lin li > a:hover b { color: var(--acc); }
.c-bergson .c3end h3 { font-weight: 600; }

/* ---------- 窄屏 ---------- */
@media (max-width: 1180px) {
  .bg-hero { grid-template-columns: minmax(0, 1fr) minmax(0, .74fr) minmax(0, 1fr); grid-template-areas: "n n n" "l cup r"; }
  .bg-hero__l, .bg-hero__r { margin-top: 6px; padding: 16px 18px; }
  .bg-hero__l .bg-rel p:last-child, .bg-books a, .c-bergson .c3-qlist a { font-size: 13.5px; }
  .bg-books a, .bg-bk, .c-bergson .c3-qlist a { padding: 3px 0; min-height: 30px; grid-template-columns: 3em minmax(0, 1fr); }
  .bg-books { margin-bottom: 10px; }
  .bg-who { font-size: 16.5px; }
  .bg-name { font-size: clamp(64px, 8vw, 96px); }
  .bg-cup figcaption q { font-size: 13.5px; }
  .bg-mem, .bg-cine, .bg-ein { grid-template-columns: minmax(0, 1fr); }
  .bg-mem { grid-template-areas: "cone" "side" "out" "fig"; }
  .bg-sugar { grid-template-columns: minmax(0, 1fr); grid-template-areas: "w" "f" "out" "p10"; }
  .bg-cine { grid-template-areas: "proj" "out" "side"; }
  .bg-cine__side { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; }
  .bg-fig--marey { grid-template-columns: minmax(0, 1fr); }
  .bg-fig--marey img { max-width: 120px; }
  .bg-ein { grid-template-areas: "photo" "trip" "out"; }
  .bg-more { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .bg-more > div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .bg-q, .c-bergson .c3q:nth-of-type(odd) .bg-q { grid-template-columns: minmax(0, 1fr); grid-template-areas: "h" "art" "body"; }
  .bg-q__h { border-radius: 22px 22px 0 0; }
  .bg-q__art { position: static; margin: 0 0 0; padding: 14px 0; }
  .bg-q__body { border-radius: 0 0 22px 22px; border-top: 0; }
  .bg-q__art { background: var(--glass); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); padding: 4px 14px 14px; border-left: 1px solid var(--glass-b); border-right: 1px solid var(--glass-b); }
  .bg-q__art .bg-card { box-shadow: none; }
}
@media (max-width: 860px) {
  .bg-hero { grid-template-columns: minmax(0, 1fr); grid-template-areas: "n" "cup" "l" "r"; }
  .bg-hero__l, .bg-hero__r { margin-top: 18px; }
  .bg-cine__side { grid-template-columns: minmax(0, 1fr); }
  .bg-fig--marey { grid-template-columns: 96px minmax(0, 1fr); }
  .bg-cup { width: min(56%, 230px); }
  .bg-books a, .bg-bk, .c-bergson .c3-qlist a { min-height: 40px; }
  .c-bergson .c3-books li > a, .c-bergson .c3-links a, .c-bergson .c3-works a { display: inline-flex; align-items: center; min-height: 40px; }
  .c-bergson .c3-lin li > a { min-height: 40px; }
  .bg-hero__r { grid-template-columns: minmax(0, 1fr); }
  .bg-more { grid-template-columns: minmax(0, 1fr); }
  .bg-name { font-size: clamp(76px, 24vw, 120px); }
  .bg-mem, .bg-sugar, .bg-cine, .bg-ein { grid-template-columns: minmax(0, 1fr); }
  .bg-ein { grid-template-areas: "trip" "out" "photo"; }
  .bg-mem { grid-template-areas: "cone" "side" "out" "fig"; }
  .bg-sugar { grid-template-areas: "w" "f" "out" "p10"; }
  .bg-cine { grid-template-areas: "proj" "out" "side"; }
  .bg-dur__row { grid-template-columns: minmax(110px, 140px) minmax(0, 1fr); gap: 12px; }
  .bg-dots { gap: 5px 2px; }
  .bg-hcup span { display: none; }
}
@media (prefers-reduced-motion: reduce) { .bg-flow i { animation: none; } }
/* 没有脚本时，不显示不起作用的按钮与滑块 */
.c-bergson:not(.bg-js) .bg-btns, .c-bergson:not(.bg-js) .bg-cine__ctl, .c-bergson:not(.bg-js) .bg-t, .c-bergson:not(.bg-js) .bg-soul__ctl, .c-bergson:not(.bg-js) .bg-cup__st { display: none; }