/* AI Coding Video 介绍页
   Layout: one column of sections on a cool paper ground; the hero pairs the thesis with a frame-accurate player whose timeline is drawn like an animator's exposure sheet. */
@font-face { font-family: "ACV Serif"; src: url("../fonts/serif-900.woff2") format("woff2"); font-weight: 900; font-display: swap; }
@font-face { font-family: "ACV Sans"; src: url("../fonts/sans-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "ACV Sans"; src: url("../fonts/sans-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "ACV Mono"; src: url("../fonts/mono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "ACV Mono"; src: url("../fonts/mono-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --paper: #EEF1F4;
  --sheet: #F8FAFB;
  --ink: #131922;
  --muted: #566170;
  --rule: #CDD4DC;
  --accent: #2A41C9;
  --accent-ink: #FFFFFF;
  --mark: #D9412B;
  --screen: #0B0E13;
  --card: #FFFFFF;
  --rc: #2A41C9; --rt: #0E8A72; --rg: #B8650A;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(19, 25, 34, .05), 0 10px 30px -14px rgba(19, 25, 34, .22);
  --shadow-lg: 0 2px 4px rgba(19, 25, 34, .06), 0 30px 60px -28px rgba(19, 25, 34, .45);
  --grid: rgba(19, 25, 34, .045);
  --display: "ACV Serif", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --body: "ACV Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "ACV Mono", "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F1319; --sheet: #161B23; --ink: #E6EAF0; --muted: #94A0AE; --rule: #2A333F;
    --accent: #8C9CFF; --accent-ink: #0F1319; --mark: #FF6B54; --screen: #05070A; color-scheme: dark;
    --rc: #8C9CFF; --rt: #4FD1B5; --rg: #F2B04B;
    --card: #1A2029; --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -14px rgba(0, 0, 0, .7); --shadow-lg: 0 2px 4px rgba(0, 0, 0, .3), 0 30px 60px -24px rgba(0, 0, 0, .8); --grid: rgba(230, 234, 240, .04);
  }
}
:root[data-theme="dark"] {
  --paper: #0F1319; --sheet: #161B23; --ink: #E6EAF0; --muted: #94A0AE; --rule: #2A333F;
  --accent: #8C9CFF; --accent-ink: #0F1319; --mark: #FF6B54; --screen: #05070A; color-scheme: dark;
    --rc: #8C9CFF; --rt: #4FD1B5; --rg: #F2B04B;
    --card: #1A2029; --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -14px rgba(0, 0, 0, .7); --shadow-lg: 0 2px 4px rgba(0, 0, 0, .3), 0 30px 60px -24px rgba(0, 0, 0, .8); --grid: rgba(230, 234, 240, .04);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.75 var(--body); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
html[data-lang="zh"] [lang="en"], html[data-lang="en"] [lang="zh"] { display: none !important; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .92em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: 1180px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* bar */
.bar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.bar-in { display: flex; align-items: center; gap: 28px; min-height: 60px; }
.mark { display: inline-flex; align-items: center; gap: 9px; font: 700 15px/1 var(--mono); letter-spacing: .02em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.mark::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--mark); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mark) 18%, transparent); }
.nav { display: flex; gap: 20px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.nav a { position: relative; color: var(--muted); text-decoration: none; font-size: 14px; white-space: nowrap; padding: 4px 0; }
.nav a:hover { color: var(--ink); }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav a:hover::after { transform: scaleX(1); }
.bar-end { display: flex; align-items: center; gap: 12px; }
.ver { font: 400 12px/1 var(--mono); color: var(--muted); white-space: nowrap; }
.lang { font: 700 13px/1 var(--mono); color: var(--ink); background: var(--card); border: 1px solid var(--rule); border-radius: 999px; padding: 8px 13px; cursor: pointer; }
.lang:hover { border-color: var(--ink); }

/* hero */
.hero { position: relative; overflow: hidden; padding-block: 96px 80px; border-bottom: 1px solid var(--rule);
  background:
    radial-gradient(ellipse 60% 70% at 78% 40%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 32px 32px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: center; }
.kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px; padding: 7px 14px 7px 10px; font: 400 14px/1.4 var(--body); color: var(--muted); background: var(--card); border: 1px solid var(--rule); border-radius: 999px; box-shadow: var(--shadow); }
.kicker::before { content: "t"; display: grid; place-items: center; width: 22px; height: 22px; font: 700 13px/1 var(--mono); color: #fff; background: var(--mark); border-radius: 50%; }
.kicker i { font-family: var(--mono); font-style: normal; font-weight: 700; color: var(--mark); }
.hero-tags { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 440px; margin: 32px 0 0; padding: 0; list-style: none; border-block: 1px solid var(--ink); }
.hero-tags li { display: flex; align-items: baseline; gap: 8px; padding: 14px 0 14px 18px; font: 700 15px/1.2 var(--body); }
.hero-tags li:first-child { padding-left: 0; }
.hero-tags li + li { border-left: 1px solid var(--rule); }
.hero-tags b { font: 900 38px/1 var(--display); color: var(--mark); letter-spacing: -.02em; }
h1 { margin: 0; font: 900 clamp(36px, 4.4vw, 58px)/1.18 var(--display); letter-spacing: -.015em; white-space: nowrap; }
@media (max-width: 380px) { h1 { white-space: normal; } }
h1 em { font-style: normal; color: var(--accent); background: linear-gradient(transparent 68%, color-mix(in srgb, var(--accent) 16%, transparent) 68% 92%, transparent 92%); }
h1 i { font-family: var(--mono); font-style: normal; font-weight: 700; color: var(--mark); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border: 1px solid var(--ink); border-radius: 999px; color: var(--ink); background: var(--card); text-decoration: none; font-weight: 700; font-size: 15px; transition: transform .15s, box-shadow .15s, filter .15s; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 24px -12px var(--accent); }
.btn.primary::after { content: "→"; transition: transform .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.primary:hover { filter: brightness(1.08); box-shadow: 0 14px 28px -12px var(--accent); }
.btn.primary:hover::after { transform: translateX(3px); }

.scrub { margin: 0; padding: 14px 14px 16px; background: var(--card); border: 1px solid var(--rule); border-radius: calc(var(--radius) + 6px); box-shadow: var(--shadow-lg); }
.scrub-screen { background: var(--screen); border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 9; max-width: 100%; }
.scrub-screen video { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-dots { display: flex; justify-content: center; gap: 2px; margin-top: 8px; }
.hero-dots button { min-width: 24px; height: 24px; padding: 0 4px; border: 0; background: none; display: grid; place-items: center; cursor: pointer; }
.hero-dots button::before { content: ""; width: 8px; height: 8px; border-radius: 4px; background: var(--rule); transition: width .2s, background .2s; }
.hero-dots button:hover::before { background: var(--muted); }
.hero-dots button[aria-pressed="true"]::before { width: 22px; background: var(--mark); }
.hero-dots button:focus-visible { outline: 2px solid var(--mark); outline-offset: 1px; border-radius: 4px; }
.scrub-read { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 14px; font-size: 14px; }
.tc { font-variant-numeric: tabular-nums; color: var(--muted); }
.tc b { color: var(--mark); font-weight: 700; }
.tc.fn { margin-left: auto; color: var(--ink); }
.ruler { position: relative; display: block; height: 40px; margin-top: 8px; cursor: ew-resize; }
.ticks { position: absolute; inset: 0; pointer-events: none;
  background:
    repeating-linear-gradient(to right, var(--ink) 0 1px, transparent 1px calc(100% / var(--secs, 3))) left bottom / 100% 18px no-repeat,
    repeating-linear-gradient(to right, var(--rule) 0 1px, transparent 1px calc(100% / var(--marks, 18))) left bottom / 100% 9px no-repeat;
  border-bottom: 1px solid var(--ink); }
.ruler input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; z-index: 1; cursor: ew-resize; }
.ruler input::-webkit-slider-runnable-track { height: 40px; background: transparent; }
.ruler input::-moz-range-track { height: 40px; background: transparent; }
.ruler input::-webkit-slider-thumb { -webkit-appearance: none; width: 3px; height: 40px; background: var(--mark); border: 0; border-radius: 0; }
.ruler input::-moz-range-thumb { width: 3px; height: 40px; background: var(--mark); border: 0; border-radius: 0; }
.scrub figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); }
.scrub .scrub-read, .scrub .ruler, .scrub figcaption { margin-inline: 4px; }

/* sections */
main { counter-reset: sec; }
.sec { padding-block: 104px; border-bottom: 1px solid var(--rule); counter-increment: sec; }
h2 { margin: 0; font: 900 clamp(28px, 3.4vw, 42px)/1.22 var(--display); letter-spacing: -.01em; text-wrap: balance; }
.sec h2::before { content: "0" counter(sec); display: block; margin-bottom: 14px; font: 700 13px/1 var(--mono); letter-spacing: .12em; color: var(--mark); }
h3 { margin: 0; font-size: 17px; line-height: 1.4; }
.sec-lede { margin: 16px 0 44px; max-width: 40em; color: var(--muted); font-size: 17px; }
.sec-lede.wide { max-width: none; }
.note { margin: 24px 0 0; color: var(--muted); font-size: 14px; max-width: 48em; }

/* what: flow diagram */
.flow { list-style: none; counter-reset: f; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.flow > li { counter-increment: f; min-width: 0; position: relative; }
.flow > li + li::before { content: ""; position: absolute; left: -16px; top: 74px; width: 12px; height: 12px; border-top: 2px solid var(--muted); border-right: 2px solid var(--muted); transform: rotate(45deg); }
.flow h3::before { content: counter(f) " · "; font: 700 13px/1 var(--mono); color: var(--accent); }
.flow h3 { margin-top: 14px; }
.flow p { margin: 6px 0 0; font-size: 14.5px; color: var(--muted); }
.flow-vis { height: 160px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.bubble { display: flex; align-items: center; padding: 18px 20px; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius) var(--radius) var(--radius) 2px; font-size: 15px; line-height: 1.6; }
.player { position: relative; background: var(--screen); }
.player canvas { display: block; width: 100%; height: 100%; object-fit: cover; }
.player .tc { position: absolute; left: 10px; bottom: 8px; font-size: 12px; color: #C9D2DD; background: rgba(5, 7, 10, .6); padding: 3px 6px; border-radius: 3px; }
/* 三类路线：每类一个颜色 --r 和一个图标，路线卡片、流程第 2、3 步、综合应用的时间线共用 */
.r-c { --r: var(--rc); } .r-t { --r: var(--rt); } .r-g { --r: var(--rg); }
.ico { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: var(--r, currentColor); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.2em; }
.path-pick .ico { width: 22px; height: 22px; margin-right: 8px; vertical-align: -5px; }
.src { list-style: none; margin: 0; padding: 12px 14px; display: grid; gap: 8px; align-content: center; background: var(--card); border: 1px solid var(--rule); }
.src li { display: grid; grid-template-columns: auto auto minmax(0, 1fr); align-items: center; gap: 4px 8px; padding: 7px 10px; border-radius: 6px; border-left: 3px solid var(--r); background: color-mix(in srgb, var(--r) 9%, transparent); font-size: 13px; line-height: 1.3; }
.src b { white-space: nowrap; }
.src span { color: var(--muted); min-width: 0; }
.stack { position: relative; background: var(--screen); perspective: 520px; }
.stack .ly { position: absolute; left: 10%; width: 54%; aspect-ratio: 16 / 9; transform: rotateX(54deg) rotateZ(-34deg); border: 1px solid rgba(255, 255, 255, .28); border-radius: 3px; background: rgba(255, 255, 255, .03); }
.stack .ly canvas { display: block; width: 100%; height: 100%; }
.stack .ly-bg { top: 44%; } .stack .ly-photo { top: 21%; } .stack .ly-code { top: -2%; }
.stack .lab { position: absolute; right: 8px; display: inline-flex; align-items: center; gap: 5px; font: 400 11.5px/1 var(--body); color: #DCE3EC; padding: 4px 7px; border-radius: 999px; background: rgba(255, 255, 255, .07); border: 1px solid color-mix(in srgb, var(--r) 60%, transparent); }
.stack .lab .ico { width: 13px; height: 13px; }
.stack .lab-c { top: 18%; } .stack .lab-t { top: 44%; } .stack .lab-g { top: 70%; }
.stack { --rc: #8C9CFF; --rt: #4FD1B5; --rg: #F2B04B; }   /* 深色底上一律用亮的那套 */
.mix { overflow-x: auto; margin: 0 -4px; padding: 4px; }
.tl { min-width: 680px; display: grid; grid-template-columns: 116px repeat(var(--n, 60), minmax(0, 1fr)); gap: 6px 0; padding: 18px 20px 20px; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); font-size: 13px; }
.tl-seg { padding: 0 6px 8px; border-left: 1px dashed var(--rule); line-height: 1.3; }
.tl-seg b { display: block; font: 700 13.5px/1.3 var(--body); color: var(--ink); }
.tl-seg > span { font: 400 11px/1.4 var(--mono); color: var(--muted); }
.tl-lab { grid-column: 1; position: sticky; left: -20px; z-index: 1; margin-left: -20px; padding-left: 20px; background: var(--card); display: flex; align-items: center; gap: 7px; font-weight: 700; font-size: 13px; padding-right: 8px; white-space: nowrap; }
.tl-bar { margin: 0 3px; padding: 7px 9px; border-radius: 6px; background: color-mix(in srgb, var(--r) 16%, transparent); border: 1px solid color-mix(in srgb, var(--r) 45%, transparent); border-left: 3px solid var(--r); line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tl-base { margin: 4px 3px 0; padding: 8px 12px; border-radius: 6px; border: 1.5px dashed var(--rc); color: var(--rc); font-weight: 700; text-align: center; }
.tl > div:nth-last-child(2) { margin-top: 4px; }
.tl-note { margin: 12px 0 0; font-size: 14px; color: var(--muted); }
.mix-why { margin-top: 28px; }
.mix-more { margin: 18px 0 0; font-size: 14px; color: var(--muted); }
.flow-cap { margin: 18px 0 0; font-size: 13.5px; color: var(--muted); }
.why { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; border-top: 1px solid var(--ink); }
.why li { padding-top: 14px; font-size: 15px; color: var(--muted); }
.why b { display: block; color: var(--ink); font-size: 16px; }
.sub { margin-top: 56px; font: 900 22px/1.3 var(--display); }
.sub-lede { margin: 8px 0 24px; color: var(--muted); }

.paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.path { position: relative; padding: 26px 26px 28px; background: color-mix(in srgb, var(--card) 55%, transparent); border: 1px solid var(--rule); border-radius: var(--radius); min-width: 0; transition: border-color .15s, background .15s, box-shadow .15s, transform .15s; }
.path:hover { border-color: var(--muted); transform: translateY(-2px); box-shadow: var(--shadow); }
.path.on { background: var(--card); border-color: var(--ink); box-shadow: var(--shadow), inset 0 3px 0 var(--r, var(--accent)); }
.path-pick { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
.path-pick::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.path p { margin: 8px 0 0; }
.path .tag { font: 400 12px/1 var(--mono); letter-spacing: .06em; color: var(--muted); margin-top: 6px; }
.path.on .tag { color: var(--r, var(--accent)); }
.path.on .tag::after { content: "  ●"; }
.path ul { margin: 14px 0 0; padding-left: 1.1em; }
.path li { margin-top: 4px; }

.pipe { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.pipe li { counter-increment: s; padding: 20px 24px 8px 0; position: relative; min-width: 0; }
.pipe li + li { padding-left: 24px; border-left: 1px solid var(--rule); }
.pipe .file { display: inline-block; font: 700 13px/1 var(--mono); color: var(--accent); margin-bottom: 10px; }
.pipe .file::before { content: counter(s) " · "; color: var(--muted); font-weight: 400; }
.pipe p { margin: 6px 0 0; font-size: 15px; }
.code { margin: 28px 0 0; padding: 20px 22px; background: var(--screen); color: #DCE3EC; border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; font: 400 13.5px/1.7 var(--mono); }
.code code { font-size: inherit; white-space: pre; }
.code .c { color: #7E8A99; }

.levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.levels article { padding: 26px; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); }
.levels h4, .inst h4 { margin: 0; font-size: 17px; line-height: 1.4; }

/* skill */
.part { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 8px; padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--rule); }
.part:first-of-type { border-top: 1px solid var(--ink); }
.part-n { margin: 0; font: 700 34px/1 var(--mono); color: var(--accent); }
.part-body > h3 { font: 900 22px/1.3 var(--display); margin-bottom: 12px; }
.part-lede { margin: 0 0 22px; color: var(--muted); max-width: 44em; }
.skill-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 36px; align-items: start; }
.skill-grid p { margin: 0 0 14px; }
.mini-flow { list-style: none; counter-reset: m; display: flex; flex-wrap: wrap; gap: 8px 6px; margin: 18px 0 0; padding: 0; }
.mini-flow li { counter-increment: m; font-size: 13.5px; padding: 7px 12px; border: 1px solid var(--rule); border-radius: 999px; background: var(--card); }
.mini-flow li::before { content: counter(m) " "; font: 700 12px/1 var(--mono); color: var(--accent); }
.mini-flow li + li { position: relative; margin-left: 14px; }
.mini-flow li + li::after { content: "→"; position: absolute; left: -17px; top: 7px; color: var(--muted); }
.tree { list-style: none; margin: 0; padding: 20px 22px; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); font-size: 14px; }
.tree li { display: grid; grid-template-columns: 9.5em minmax(0, 1fr); gap: 12px; padding: 7px 0 7px 18px; border-left: 1px solid var(--rule); position: relative; color: var(--muted); }
.tree li::before { content: ""; position: absolute; left: 0; top: 50%; width: 12px; border-top: 1px solid var(--rule); }
.tree li.root { display: block; border-left: 0; padding-left: 0; }
.tree li.root::before { display: none; }
.tree code { color: var(--accent); font-weight: 700; }
.lv { margin: 0 0 6px; font: 700 13px/1 var(--mono); color: var(--muted); }
.lv::before { content: "LEVEL "; }
.num { margin: 6px 0 10px; font: 700 15px/1.3 var(--mono); color: var(--accent); font-variant-numeric: tabular-nums; }
.levels p:last-child { margin: 0; font-size: 15px; }
.track { margin: 30px 0 14px; font-size: 17px; line-height: 1.4; }
.part-lede + .track { margin-top: 0; }
.steps { list-style: none; counter-reset: st; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 20px; }
.steps li { counter-increment: st; padding: 20px 22px; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 0; }
.steps li::before { content: "STEP " counter(st); display: block; margin: 0 0 6px; font: 700 13px/1 var(--mono); color: var(--muted); }
.steps h4 { margin: 0 0 6px; font-size: 16px; line-height: 1.4; }
.steps p { margin: 0; font-size: 14.5px; color: var(--muted); }

/* gallery */
.gal-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.gal-head .sec-lede { margin-bottom: 0; }
.seg { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--rule); border-radius: 999px; background: var(--card); }
.seg button { font: 700 13px/1 var(--mono); padding: 8px 14px; border: 0; border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.kinds { display: flex; flex-wrap: wrap; gap: 0; margin: 28px 0 0; border-bottom: 1px solid var(--rule); }
.kinds button { font: 700 15px/1 var(--body); padding: 12px 18px 14px; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px; background: transparent; color: var(--muted); cursor: pointer; }
.kinds button b { font: 700 13px/1 var(--mono); margin-right: 6px; color: var(--mark); }
.kinds button small { font: 400 12px/1 var(--mono); margin-left: 4px; color: var(--muted); }
.kinds button:hover { color: var(--ink); }
.kinds button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.filters { display: grid; gap: 12px; margin: 20px 0 24px; }
.filters [hidden] { display: none; }
.filter { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.flab { font: 700 12px/1 var(--mono); color: var(--muted); width: 5.5em; flex: none; }
.filter button:disabled { opacity: .35; cursor: default; }
.filter button.miss { border-style: dashed; }
.filter-note { font: 400 12px/1.6 var(--body); color: var(--muted); margin: 2px 0 0; }
.empty { margin: 0 0 24px; padding: 20px 22px; border: 1px dashed var(--rule); border-radius: var(--radius); color: var(--muted); }
.linkish { font: inherit; color: var(--accent); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }
.filter button { font: 400 13px/1 var(--body); padding: 8px 12px; border: 1px solid var(--rule); border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; }
.filter button small { font: 400 11px/1 var(--mono); color: var(--muted); margin-left: 2px; }
.filter button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.filter button[aria-pressed="true"] small { color: inherit; opacity: .7; }
.card-theme { margin: 12px 0 0; font: 400 11.5px/1 var(--mono); letter-spacing: .04em; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 28px 24px; }
html[data-ar="9x16"] .cards { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.card { min-width: 0; display: flex; flex-direction: column; }
.card .screen { position: relative; background: var(--screen); border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; overflow: hidden; aspect-ratio: 16 / 9; max-width: 100%; }
html[data-ar="9x16"] .card .screen { aspect-ratio: 9 / 16; }
.card:hover .screen { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card video { display: block; width: 100%; height: 100%; object-fit: cover; }
.cards { scroll-margin-top: 84px; }
.open { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.open-hint { position: absolute; left: 10px; top: 10px; font: 700 12px/1 var(--mono); padding: 7px 10px; border-radius: 4px; background: rgba(11, 14, 19, .72); color: #fff; opacity: 0; transition: opacity .2s; }
.open:hover .open-hint, .open:focus-visible .open-hint { opacity: 1; }
@media (hover: none) { .open-hint { display: none; } }
.snd { position: absolute; right: 10px; bottom: 10px; font: 700 12px/1 var(--mono); padding: 7px 10px; border-radius: 4px; border: 0; background: rgba(11, 14, 19, .72); color: #fff; cursor: pointer; }
.snd[aria-pressed="true"] { background: var(--mark); }
.card-meta { display: flex; align-items: baseline; gap: 10px; margin-top: 6px; }
.card-meta code { white-space: nowrap; }
.card-meta code { font-weight: 700; font-size: 13px; color: var(--muted); }
.card-meta h4 { margin: 0; font-size: 16px; }
/* 样片卡片：题材一行、标题固定两行高（超出的省略），同一排卡片下面的内容才对得齐 */
.card .card-theme { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.3; }
.card .card-meta h4 { min-width: 0; line-height: 1.4; height: 2.8em; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; overflow: hidden; }
@media (max-width: 560px) { .card .card-meta h4 { font-size: 15px; } .card .card-meta { gap: 8px; } .card .links { flex-wrap: wrap; gap: 2px 12px; line-height: 1.5; } .card .links a { white-space: nowrap; } }
.how { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
/* 卡片描述只露两行，所有卡片一样高；放不下的在第二行末尾显示「更多」，鼠标移上去（手机上点一下）浮出全文 */
.card .how-box { position: relative; margin-top: 6px; height: calc(2 * 1.6 * 14px); }
.card .how { position: absolute; inset: 0 0 auto 0; margin: 0; line-height: 1.6; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; overflow: hidden; border: 1px solid transparent; }
.card .more { position: absolute; right: 0; bottom: 0; z-index: 1; padding: 0 0 0 28px; border: 0; font: 700 13px/22.4px var(--body); color: var(--accent); cursor: pointer;
  background: linear-gradient(to right, transparent, var(--paper) 24px); }
.card .more:hover, .card .more:focus-visible { text-decoration: underline; }
.card .how-box.pop .how { z-index: 6; -webkit-line-clamp: unset; line-clamp: none; max-height: min(60vh, 420px); overflow: auto; margin: -11px -13px; padding: 10px 12px;
  background: var(--card); border-color: var(--rule); border-radius: 6px; box-shadow: var(--shadow-lg); color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; padding: 0; list-style: none; }
.chips li { font: 400 11.5px/1 var(--mono); padding: 5px 7px; border: 1px solid var(--rule); border-radius: 3px; color: var(--muted); }
.chips li:has(button) { padding: 0; }
.chips button { font: inherit; padding: 5px 7px; border: 0; background: none; color: var(--ink); cursor: pointer; }
.chips button:hover, .chips button.on { color: var(--accent); }
.chips li.mat { font-family: var(--body); color: var(--ink); border-color: var(--mark); }
/* 卡片上的「技术」「素材」行：左边小标签，右边标签折行，长词也在卡片里折开 */
.card-row { display: flex; align-items: baseline; gap: 8px; margin-top: 10px; min-width: 0; }
.card-row + .card-row { margin-top: 6px; }
.row-lab { flex: none; min-width: 4.2em; font: 400 11px/1 var(--mono); letter-spacing: .04em; color: var(--muted); }
.card-row .chips { flex: 1; min-width: 0; margin: 0; }
.card-row .chips li { max-width: 100%; overflow-wrap: anywhere; line-height: 1.25; }
.card-row .chips button { max-width: 100%; text-align: left; overflow-wrap: anywhere; line-height: 1.25; }
.chips li.tq { font-family: var(--body); color: var(--ink); }
html[data-lang="en"] .row-lab { min-width: 6.6em; }
@media (max-width: 560px) {   /* 手机两列时卡片很窄：标签放到上面一行，标签本身紧凑些 */
  .card-row { flex-direction: column; align-items: stretch; gap: 4px; }
  .card-row .chips { gap: 4px; }
  .card-row .chips li, .card-row .chips button { padding: 4px 5px; }
  .card-row .chips li:has(button) { padding: 0; }
}
.card details { margin-top: auto; padding-top: 10px; font-size: 14px; }   /* 提示词和链接贴着卡片底部，同一排的对齐 */
.card summary { cursor: pointer; color: var(--accent); font-weight: 700; }
.card details p { margin: 8px 0 0; padding: 12px 14px; background: var(--card); border: 1px solid var(--rule); border-radius: 4px; }
.card .links, .pack .links { display: flex; gap: 14px; margin-top: 8px; font-size: 13px; }

/* packs：横向滑动，一屏一个包；右侧 » 提示还有下一个（点了翻一页），翻过以后左侧出 « */
.pack-rail { position: relative; }
.pack-track { display: flex; gap: 32px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: none; padding: 4px 0 28px; margin-bottom: -28px; }
.pack-track::-webkit-scrollbar { display: none; }
.pack-track:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.pack-track > .pack { flex: 0 0 100%; scroll-snap-align: start; }
.pack-nav { position: absolute; top: var(--nav-y, 40%); z-index: 2; display: grid; place-items: center; width: 48px; height: 48px; margin-top: -24px; padding: 0 0 4px; border: 1px solid var(--rule); border-radius: 50%; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(6px); box-shadow: var(--shadow); color: var(--ink); font: 700 26px/1 var(--display); cursor: pointer; transition: opacity .2s, border-color .2s; }
.pack-nav:hover { border-color: var(--ink); }
.pack-nav[hidden] { display: none; }
.pack-nav.next { right: -8px; }
.pack-nav.prev { left: -8px; }
.pack-nav.next span { display: block; animation: pack-nudge 1.6s ease-in-out infinite; }
@keyframes pack-nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(5px); } }
@media (max-width: 860px) { .pack-nav.next { right: 0; } .pack-nav.prev { left: 0; } }
@media (prefers-reduced-motion: reduce) { .pack-nav.next span { animation: none; } }
.pack { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 28px 36px; align-items: start; }
html[data-ar="9x16"] .pack { grid-template-columns: minmax(0, 340px) minmax(0, 1fr); }
.pack-screen { background: var(--screen); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; aspect-ratio: 16 / 9; }
html[data-ar="9x16"] .pack-screen { aspect-ratio: 9 / 16; }
.pack-screen video { display: block; width: 100%; height: 100%; object-fit: cover; }
.pack .card-meta { margin-top: 0; }
.pack-parts { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 0; padding: 0; list-style: none; }
.pack-parts li { font-size: 13px; padding: 5px 10px; border: 1px solid var(--rule); border-radius: 999px; }
.pack-left { min-width: 0; }
.pack-tabs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.pack-tabs .lab { font-size: 13px; color: var(--muted); margin-right: 4px; }
.pack-tabs button { display: inline-flex; align-items: center; gap: 7px; font: 400 13px/1 var(--body); padding: 8px 13px; border: 1px solid var(--rule); border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; }
.pack-tabs button i { width: 11px; height: 11px; border-radius: 50%; background: var(--acc); }
.pack-tabs button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
@media (max-width: 860px) { .pack, html[data-ar="9x16"] .pack { grid-template-columns: minmax(0, 1fr); } html[data-ar="9x16"] .pack-left { max-width: 360px; } }

/* pager */
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 36px; }
.pager button { font: 700 13px/1 var(--mono); min-width: 36px; padding: 9px 12px; border: 1px solid var(--rule); border-radius: 4px; background: transparent; color: var(--ink); cursor: pointer; }
.pager button:hover:not(:disabled) { border-color: var(--ink); }
.pager button:disabled { opacity: .35; cursor: default; }
.pager button[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.pg-nums { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; color: var(--muted); }
.pg-info { margin-left: auto; font-size: 13px; color: var(--muted); }

/* lightbox */
.lb { width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 16px; border: 0; background: #05070A; color: #fff; }
.lb[open] { display: grid; place-items: center; }
.lb::backdrop { background: rgba(5, 7, 10, .6); }
.lb-in { width: min(100%, calc((100dvh - 140px) * 16 / 9)); }
.lb[data-ar="9x16"] .lb-in { width: min(100%, calc((100dvh - 140px) * 9 / 16)); }
.lb video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 6px; }
.lb[data-ar="9x16"] video { aspect-ratio: 9 / 16; }
.lb-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-top: 12px; }
.lb .card-meta { margin: 0; }
.lb .card-meta code { color: rgba(255, 255, 255, .6); }
.lb-btns { display: flex; gap: 8px; }
.lb-btns button { font: 700 13px/1 var(--mono); padding: 9px 12px; border: 1px solid rgba(255, 255, 255, .3); border-radius: 4px; background: transparent; color: #fff; cursor: pointer; }
.lb-btns button:hover { border-color: #fff; }
.lb-close { background: rgba(255, 255, 255, .12) !important; }


/* prompt */
.eight { margin: 0; padding: 0; list-style: none; counter-reset: e; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.eight li { counter-increment: e; display: grid; grid-template-columns: 2.2em minmax(0, 1fr); padding: 14px 0; border-top: 1px solid var(--rule); font-size: 15px; }
.eight li::before { content: counter(e); font: 700 14px/1.75 var(--mono); color: var(--accent); grid-row: span 2; }
.eight b { display: block; }
.eight li > span { color: var(--muted); }
.tpl { margin-top: 36px; }
.tpl-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tpl-head p { margin: 0; font-weight: 700; }
.tpl-tabs { display: flex; flex-wrap: wrap; gap: 0 4px; margin: 14px 0 0; border-bottom: 1px solid var(--rule); }
.tpl-tabs button { font: 700 14px/1 var(--body); padding: 10px 14px 12px; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px; background: transparent; color: var(--muted); cursor: pointer; }
.tpl-tabs button b { font: 700 12px/1 var(--mono); margin-right: 6px; color: var(--mark); }
.tpl-tabs button:hover { color: var(--ink); }
.tpl-tabs button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.tpl .code { margin-top: 12px; max-height: 420px; }
.sub { margin: 48px 0 8px; font: 900 22px/1.3 var(--display); }
.sec-lede + .sub { margin-top: 8px; }
.sub-lede { margin: 0 0 18px; color: var(--muted); max-width: 48em; }
.tpl2 { margin-top: 28px; }
.tpl2 .code { margin-top: 12px; }
.tpl2 .code code { white-space: pre-wrap; }
.copy { font: 700 12px/1 var(--mono); padding: 8px 14px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; }
.copy.done { background: var(--ink); color: var(--paper); }

.inst { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.inst > div:last-child { grid-column: 1 / -1; }
.inst > div { min-width: 0; }
.inst .code { margin-top: 12px; }
.inst .copy { margin-top: 10px; }

.foot { padding-block: 40px 56px; }
.foot-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.foot-in p { margin: 0; max-width: 60em; }

@media (max-width: 900px) {
  .hero-grid, .paths, .levels, .inst, .eight, .skill-grid, .why { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; }
  .flow > li + li::before { display: none; }
  .part { grid-template-columns: 40px minmax(0, 1fr); }
  .part-n { font-size: 26px; }
  .pipe { grid-template-columns: minmax(0, 1fr); }
  .pipe li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
  .hero { padding-block: 56px 48px; }
  .sec { padding-block: 72px; }
  .hero-grid { gap: 40px; }
}
@media (max-width: 560px) {
  .ver, .nav { display: none; }
  .bar-in { justify-content: space-between; }
  .bar-in { gap: 14px; }
  .cards { grid-template-columns: minmax(0, 1fr); }
  html[data-ar="9x16"] .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 12px; }
  .tc.fn { margin-left: 0; }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flab { width: 100%; }
  .tree li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* 真实应用：卡片（只有封面）→ 播放器 + 跟着进度切段的说明栏；三类的颜色 */
:root { --kc: #2A41C9; --kt: #C2571A; --kg: #8A3FD1; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --kc: #8C9CFF; --kt: #F0924F; --kg: #C08CFF; } }
:root[data-theme="dark"] { --kc: #8C9CFF; --kt: #F0924F; --kg: #C08CFF; }
.k-c { --k: var(--kc); } .k-t { --k: var(--kt); } .k-g { --k: var(--kg); }
.case-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.case-card { display: flex; flex-direction: column; text-align: left; padding: 0; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--card); color: var(--ink); font: inherit; overflow: hidden; box-shadow: var(--shadow); }
button.case-card { cursor: pointer; transition: transform .2s, box-shadow .2s; }
button.case-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.case-card[aria-pressed="true"] { outline: 2px solid var(--accent); outline-offset: 2px; }
.cc-cover { position: relative; display: grid; place-items: center; aspect-ratio: 4 / 3; overflow: hidden; background: var(--screen); }
.cc-blur { position: absolute; inset: -20px; background: center / cover no-repeat; filter: blur(18px) brightness(.55); }
.cc-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.cc-play { position: absolute; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: rgba(0, 0, 0, .55); color: #fff; font-size: 20px; padding-left: 4px; }
.cc-soon { color: #94A0AE; font: 700 14px/1 var(--mono); letter-spacing: .08em; }
.case-card.soon { opacity: .72; }
.cc-body { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px 16px; }
.cc-body b { font-size: 16px; line-height: 1.45; }
.cc-meta { display: flex; align-items: center; gap: 10px; color: var(--muted); font: 400 12px/1.4 var(--mono); }
.cc-sum { color: var(--muted); font-size: 14px; line-height: 1.6; }
.kc { display: inline-block; padding: 2px 8px; border: 1px solid var(--rule); border-radius: 999px; font: 400 12px/1.5 var(--mono); color: var(--muted); opacity: .5; white-space: nowrap; }
.kc.on { opacity: 1; border-color: var(--k); color: var(--k); }
.kc.lead { background: var(--k); color: var(--accent-ink); font-weight: 700; }
.kd { display: inline-block; flex: none; width: 9px; height: 9px; border-radius: 50%; background: var(--k); }
.case-stage { margin-top: 32px; }
.case { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.case[data-ar="9x16"] { grid-template-columns: minmax(0, 380px) minmax(0, 1fr); }
.case-screen { background: var(--screen); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 16 / 9; }
.case[data-ar="9x16"] .case-screen { aspect-ratio: 9 / 16; }
.case-screen video { display: block; width: 100%; height: 100%; object-fit: contain; }
.case-bar { position: relative; display: flex; gap: 2px; height: 12px; margin-top: 10px; }
.cb { flex: 1 1 0; min-width: 4px; padding: 0; border: 0; border-radius: 2px; background: var(--k); opacity: .45; cursor: pointer; }
.cb:hover { opacity: .75; } .cb.on { opacity: 1; }
.cb-head { position: absolute; top: -4px; bottom: -4px; left: 0; width: 2px; background: var(--ink); pointer-events: none; }
.case-links { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 10px 0 0; font-size: 14px; }
.case-toc { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; padding: 0; list-style: none; }
.case-toc button { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--rule); border-radius: 999px; background: transparent; color: var(--muted); font: 400 13px/1.4 var(--body); cursor: pointer; }
.case-toc button code { font-size: 12px; }
.case-toc button:hover { color: var(--ink); }
.case-toc button[aria-pressed="true"] { border-color: var(--ink); color: var(--ink); background: var(--card); }
.cs { padding: 16px 18px; border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.cs-time { display: flex; gap: 10px; margin: 0; color: var(--muted); font-size: 13px; }
.cs h4 { margin: 4px 0 10px; font-size: 20px; line-height: 1.4; }
.cs h4 small { display: block; font-size: 14px; font-weight: 400; color: var(--muted); }
.cs-kinds { display: flex; flex-wrap: wrap; gap: 6px; }
.cs-uses { margin: 12px 0 0; padding: 0; list-style: none; font-size: 14px; line-height: 1.55; }
.cs-uses li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; padding: 5px 0; border-top: 1px solid var(--rule); }
.cs-uses .kd { transform: translateY(-1px); }
.cs-uses span { flex: 1 1 12em; }
.cs-uses a { font-size: 13px; white-space: nowrap; }
.cs-note, .cs-swap { margin: 12px 0 0; font-size: 14px; line-height: 1.7; }
.cs-note b, .cs-swap b { display: block; font: 700 12px/1.6 var(--mono); color: var(--muted); }
.case-sum { margin-top: 14px; padding: 12px 18px; border: 1px solid var(--rule); border-radius: var(--radius); font-size: 14px; }
.case-sum summary { cursor: pointer; font-weight: 700; }
.case-sum h5 { margin: 16px 0 6px; font-size: 13px; color: var(--muted); }
.sum-split { display: flex; gap: 2px; }
.sum-split span { flex: 1 1 0; min-width: 3.5em; padding: 2px 6px; border-radius: 2px; background: var(--k); color: var(--accent-ink); font: 700 12px/1.6 var(--mono); white-space: nowrap; overflow: hidden; }
.sum-refs { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0; font-size: 13px; }
.sum-list { margin: 0; padding-left: 1.2em; line-height: 1.65; }
.sum-list b { margin-right: 6px; }
.cs-tab { width: 100%; border-collapse: collapse; font-size: 13px; line-height: 1.5; }
.cs-tab td { padding: 5px 8px 5px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.cs-tab td:first-child { white-space: nowrap; font-weight: 700; }
.cs-tab.log td:nth-child(2) { white-space: nowrap; }
@media (max-width: 860px) {
  .case, .case[data-ar="9x16"] { grid-template-columns: minmax(0, 1fr); }
  .case[data-ar="9x16"] .case-main { width: 100%; max-width: min(380px, 80vw); margin: 0 auto; }
}