@charset "utf-8";

/* ============================================================
   字体：全部为 SIL Open Font License 1.1 开源字体，本地自托管
   - Noto Sans SC   https://github.com/google/fonts/tree/main/ofl/notosanssc
   - JetBrains Mono https://github.com/JetBrains/JetBrainsMono
   许可证见 assets/fonts/OFL-*.txt
   ============================================================ */

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/NotoSansSC-sub.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../assets/fonts/JetBrainsMono-sub.woff2") format("woff2");
}

/* ============================================================
   WKing Cut — 官网样式
   深色 / 克制 / 工具感
   ============================================================ */

:root {
  --bg:        #0f1216;
  --bg-alt:    #12161a;
  --bg-card:   #161b22;
  --bg-sunk:   #12161b;
  --bg-deep:   #0d1016;

  --line:      #262d36;
  --line-soft: #1e242c;
  --line-dim:  #191f26;

  --text:      #e6edf3;
  --muted:     #8b949e;
  --dim:       #7e8794;

  --accent:    #4f8cff;
  --accent-hi: #6ba0ff;
  --success:   #3fb950;
  --warn:      #d29922;

  --radius:    12px;
  --max:       1100px;
  --nav-h:     64px;

  --font: "Noto Sans SC", "Noto Sans", sans-serif;
  --mono: "JetBrains Mono", "Noto Sans SC", monospace;
}

/* ── 基础 ─────────────────────────────────────────────────── */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

a {
  color: inherit;
  text-decoration: none;
}

p a {
  text-decoration: underline;
  text-decoration-color: #3a4552;
  text-underline-offset: 3px;
  transition: text-decoration-color .18s ease, color .18s ease;
}
p a:hover { text-decoration-color: var(--muted); }

::selection { background: rgba(79, 140, 255, .3); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 24px;
}
.wrap--narrow { max-width: 820px; }

.mono { font-family: var(--mono); }

/* ── 按钮 ─────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease,
              color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .16) inset, 0 6px 20px -10px rgba(79, 140, 255, .9);
}
.btn--primary:hover {
  background: var(--accent-hi);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, .015);
}
.btn--ghost:hover {
  border-color: #3a4552;
  background: rgba(255, 255, 255, .04);
}

.btn--sm { height: 36px; padding: 0 16px; font-size: 13.5px; border-radius: 8px; }
.btn--block { width: 100%; }

/* ── 导航 ─────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.nav.is-scrolled {
  background: rgba(15, 18, 22, .78);
  border-bottom-color: var(--line-soft);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: var(--nav-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}
.brand__name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.01em;
}
.brand__cut {
  margin-left: 1px;
  font-weight: 500;
  color: #9aa5b4;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  font-size: 14.5px;
}
.nav__links a {
  color: var(--muted);
  transition: color .18s ease;
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--text); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.nav__links + .nav__actions { margin-left: 0; }

.nav__toggle {
  display: none;
  width: 36px;
  height: 36px;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 15px;
  height: 1.5px;
  margin: 3px auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav.is-open .nav__toggle span:first-child { transform: translateY(2.2px) rotate(45deg); }
.nav.is-open .nav__toggle span:last-child { transform: translateY(-2.3px) rotate(-45deg); }

/* ── 首屏 ─────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: calc(var(--nav-h) + 84px) 0 100px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(760px 360px at 22% -8%, rgba(79, 140, 255, .09), transparent 72%);
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  align-items: start;
  gap: 52px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(22, 27, 34, .7);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .02em;
  color: #a6b0bd;
}
.tag__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(63, 185, 80, .12);
}

.hero h1 {
  margin-top: 24px;
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.025em;
}
.br-m { display: none; }

.hero__lede {
  max-width: 30em;
  margin-top: 22px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero__trust {
  margin-top: 28px;
  font-size: 13px;
  color: var(--dim);
}
.hero__trust span { margin: 0 9px; opacity: .6; }

.hero__sub {
  margin-top: 10px;
  font-size: 13px;
  color: var(--dim);
}
.hero__sub span { margin: 0 8px; opacity: .5; }
.hero__sub a { text-decoration: underline; text-decoration-color: #2f3944; text-underline-offset: 3px; }
.hero__sub a:hover { color: var(--muted); }

/* 首屏三块功能示意（三条通栏） */

.bento {
  display: grid;
  gap: 10px;
}

.tile {
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #171d25 0%, #131820 100%);
  box-shadow: 0 18px 44px -34px rgba(0, 0, 0, .85);
}

.tile__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.tile__title {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: #c2ccd7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile__head { transition: opacity .3s ease; }

.tile__tag {
  flex: 0 0 auto;
  padding: 1px 7px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: #0f141a;
  font-family: var(--mono);
  font-size: 9.5px;
  line-height: 1.7;
  color: var(--dim);
  transition: color .3s ease, border-color .3s ease, background-color .3s ease;
}
.tile.is-complete .tile__tag {
  color: #56c96a;
  border-color: rgba(63, 185, 80, .28);
  background: rgba(63, 185, 80, .07);
}

.tile__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 66px;
  margin-top: 12px;
  transition: opacity .3s ease;
}

.tile.is-resetting .tile__body,
.tile.is-resetting .tile__head,
.tile.is-resetting .tile__foot { opacity: 0; }

.tile__foot {
  margin-top: auto;
  padding-top: 9px;
  border-top: 1px solid var(--line-dim);
  font-family: var(--mono);
  font-size: 9.5px;
  line-height: 1.6;
  color: var(--dim);
  transition: opacity .3s ease;
}
/* ① 单机位：V1 + A1，同时切除与禁用 */

.tl {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.tl__row {
  display: flex;
  align-items: center;
  gap: 9px;
}
.tl__label {
  flex: 0 0 18px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
}
.tl__segs {
  display: flex;
  flex: 1;
  min-width: 0;
}
.tl__segs i {
  position: relative;
  display: block;
  width: var(--w);
  height: 26px;
  border: 1px solid #323c49;
  border-left: 0;
  background: #222a34;
  transition: width .55s cubic-bezier(.22, .9, .2, 1),
              opacity .35s ease,
              border-width .2s ease,
              background-color .3s ease;
}
.tl__segs i:first-child {
  border-left: 1px solid #323c49;
  border-radius: 3px 0 0 3px;
}
.tl__segs i:last-child { border-radius: 0 3px 3px 0; }

.tl__row--a .tl__segs i {
  height: 16px;
  background-color: #1c232b;
  background-image: repeating-linear-gradient(90deg,
                    rgba(230, 237, 243, .11) 0 1px, transparent 1px 4px);
}

.tl__segs i.is-bad {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .30) 0 4px,
              rgba(210, 153, 34, .10) 4px 8px);
  border-color: rgba(210, 153, 34, .45);
}

/* 整条废片：一开始就标成问题素材 */
.tl__segs i.is-off {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .34) 0 4px,
              rgba(210, 153, 34, .12) 4px 8px);
  border-color: rgba(210, 153, 34, .55);
}

.tl__off {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  color: #d8b062;
  opacity: 0;
  transition: opacity .3s ease .15s;
}

/* 处理完成：问题片段收成接缝；废片保留但整条禁用 */
.tile--detect.is-done .tl__segs i.is-bad {
  width: 3px;
  border-width: 0;
  background: #4d5866;
}
.tile--detect.is-done .tl__segs i.is-off {
  background-color: #17130c;
  background-image: repeating-linear-gradient(45deg,
                    rgba(210, 153, 34, .20) 0 3px, transparent 3px 6px);
  border: 1px dashed rgba(210, 153, 34, .7);
  opacity: 1;
}
.tile--detect.is-done .tl__off { opacity: 1; }

.scan {
  position: absolute;
  inset: -3px 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(90deg,
              transparent 0%,
              rgba(230, 237, 243, .06) 44%,
              rgba(230, 237, 243, .30) 50%,
              rgba(230, 237, 243, .06) 56%,
              transparent 100%);
  background-size: 220% 100%;
  background-position: 120% 0;
}
.tile--detect.is-armed .scan { animation: scan 2s ease-in-out; }

@keyframes scan {
  0%   { opacity: 0; background-position: 120% 0; }
  12%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { opacity: 0; background-position: -20% 0; }
}

/* ② 多机位：每条轨多条镜头，长短不一，按组对齐 */

.lanes {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.lane {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lane__label {
  flex: 0 0 10px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
  white-space: nowrap;
}
.lane__track {
  position: relative;
  flex: 1;
  height: 28px;
  border-radius: 3px;
  background: repeating-linear-gradient(90deg,
              rgba(230, 237, 243, .03) 0 1px, transparent 1px 12px);
}
.lane__inner {
  position: absolute;
  inset: 0;
  transform: translateX(var(--off, 0%));
  transition: transform 1.8s cubic-bezier(.22, .9, .2, 1);
}
.mc-svg {
  display: block;
  width: 100%;
  height: 100%;
}
.mc-video rect {
  fill: #2b3742;
  stroke: #46545f;
  stroke-width: 1;
}
.mc-audio rect { fill: #56626f; }
.mc-audio rect.is-beat { fill: #a7b4c2; }

.mc-unmatched rect {
  fill: #201d16;
  stroke: #ab8a44;
  stroke-width: 1;
  stroke-dasharray: 3 3;
}
.mc-unmatched {
  opacity: 0;
  transition: opacity .6s ease 1.2s;
}
.tile--mc.is-done .mc-unmatched { opacity: 1; }

.lane__guide {
  position: absolute;
  top: -3px;
  bottom: -3px;
  left: var(--l);
  border-left: 1px dashed rgba(63, 185, 80, .6);
  opacity: 0;
  z-index: 2;
  transition: opacity .6s ease 1.1s;
}
.tile--mc.is-done .lane__inner { transform: translateX(0); }
.tile--mc.is-done .mc-unmatched rect {
  fill: #201d16;
  stroke: #ab8a44;
  stroke-width: 1;
  stroke-dasharray: 3 3;
}
.mc-unmatched {
  opacity: 0;
  transition: opacity .6s ease 1.2s;
}
.tile--mc.is-done .mc-unmatched { opacity: 1; }

.lane__guide { opacity: 1; }

/* ③ 音频：一整段，多处补量 */

.audio__svg { display: block; width: 100%; height: auto; }
.audio__wave rect { fill: #2f3945; }

.audio__band {
  fill: rgba(63, 185, 80, .10);
  opacity: 0;
  transition: opacity .8s ease 1.1s;
}
.tile--audio.is-done .audio__band { opacity: 1; }

.audio__env-base {
  fill: none;
  stroke: #3a4552;
  stroke-width: 1;
  stroke-dasharray: 3 3;
}
.audio__env-fix {
  fill: none;
  stroke: #3fb950;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 2.4s ease-out .1s;
}
.tile--audio.is-done .audio__env-fix { stroke-dashoffset: 0; }

.audio__quiet rect,
.audio__loud rect {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transform: scaleY(1);
  transition: transform 1.8s cubic-bezier(.22, .9, .2, 1) .5s;
}
/* 偏小的补上来 */
.tile--audio.is-done .audio__quiet rect { transform: scaleY(2.6); }
/* 过响的压下去 */
.tile--audio.is-done .audio__loud rect { transform: scaleY(.6); }

.audio__kf circle {
  fill: #3fb950;
  opacity: 0;
  transition: opacity .4s ease 1.9s;
}
.tile--audio.is-done .audio__kf circle { opacity: 1; }

/* ④ 首尾修剪：滑块 + 三条素材联动 */

.tc-slider {
  display: flex;
  align-items: center;
  gap: 9px;
}
.tc-range {
  flex: 1;
  min-width: 0;
  height: 4px;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  background: #2b3541;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.tc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 11px;
  height: 11px;
  border: 0;
  border-radius: 50%;
  background: #cfd8e3;
  box-shadow: 0 0 0 3px rgba(207, 216, 227, .12);
  cursor: grab;
}
.tc-range::-moz-range-thumb {
  width: 11px;
  height: 11px;
  border: 0;
  border-radius: 50%;
  background: #cfd8e3;
  cursor: grab;
}
.tc-range:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.tc-value {
  flex: 0 0 30px;
  text-align: right;
  font-family: var(--mono);
  font-size: 9px;
  color: #b9c3cf;
}

.tc-track { margin-top: 9px; }
.tc-cut {
  position: absolute;
  top: 0;
  bottom: 0;
  width: calc(var(--p, 0) * 18%);
  background: rgba(230, 237, 243, .2);
  transition: width .18s linear;
}
.tc-cut--in { left: 0; border-right: 1px solid rgba(230, 237, 243, .55); }
.tc-cut--out { right: 0; border-left: 1px solid rgba(230, 237, 243, .55); }

/* 图注 */

.bento__cap {
  margin-top: 2px;
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--dim);
}
.bento__tag {
  display: inline-block;
  margin-right: 6px;
  padding: 0 5px;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: #6e7885;
  vertical-align: 1px;
}

/* ── 区块通用 ─────────────────────────────────────────────── */

.section {
  padding: 104px 0;
  border-top: 1px solid var(--line-dim);
}
.section--alt {
  background: var(--bg-alt);
  border-top-color: var(--line-soft);
}
.section--tight { padding: 80px 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
}

.sec-head {
  max-width: 660px;
  margin-bottom: 48px;
}
.sec-head--center {
  margin-inline: auto;
  text-align: center;
}
.sec-head h2 {
  margin-top: 12px;
  text-wrap: balance;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -.015em;
}
.sec-head__sub {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ── 痛点 ─────────────────────────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.stat {
  padding: 30px 28px;
  border-left: 1px solid var(--line-dim);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat:last-child { padding-right: 0; }

.stat__num {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-family: var(--mono);
  font-size: clamp(30px, 3.6vw, 40px);
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -.03em;
}
.stat__num span {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--dim);
}
.stat__txt {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.pain__note {
  margin-top: 36px;
  text-align: center;
  font-size: 14px;
  color: var(--dim);
}

/* ── 功能卡片 ─────────────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.card {
  grid-column: span 2;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}
.card--wide { grid-column: span 3; }
.card:hover {
  border-color: #33404e;
  background: #171d25;
  transform: translateY(-2px);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #1b222b;
  color: #c3ccd7;
}
.card__icon svg { width: 20px; height: 20px; }

.card__title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.01em;
}
.card__desc {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}
.card__meta {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-dim);
  font-size: 12.5px;
  line-height: 1.7;
  color: #7d8794;
}
.card__meta--warn {
  color: #c3973d;
}
.card__meta--warn::before {
  content: "限制 · ";
  color: var(--dim);
}

/* ── 流程 ─────────────────────────────────────────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  padding-top: 22px;
  border-top: 1px solid var(--line);
  position: relative;
}
.step::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #3a4552;
}
.step__num {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--dim);
}
.step__title {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 600;
}
.step__desc {
  margin-top: 8px;
  font-size: 13.8px;
  line-height: 1.75;
  color: var(--muted);
}

.flow__note {
  margin-top: 44px;
  padding: 14px 18px;
  border: 1px dashed var(--line);
  border-radius: 9px;
  font-size: 13px;
  color: var(--dim);
}

/* ── 截图 ─────────────────────────────────────────────────── */

.shots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 20px;
}
.shot--wide { grid-column: span 2; }

.shot__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--bg-sunk);
  transition: border-color .2s ease;
}
.shot__frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}
.shot--wide .shot__frame img { aspect-ratio: 16 / 8.4; }
.shot:hover .shot__frame { border-color: #36414f; }

.shot figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  margin-top: 12px;
  font-size: 13.5px;
}
.shot figcaption b { font-weight: 600; }
.shot figcaption span { color: var(--dim); font-size: 12.5px; }

/* ── 系统要求 ─────────────────────────────────────────────── */

.req {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 56px;
  align-items: start;
}

.req__row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-dim);
}
.req__row:first-child { border-top: 1px solid var(--line-dim); }
.req__row dt { font-size: 13.5px; color: var(--dim); }
.req__row dd { font-size: 14.5px; line-height: 1.6; }
.req__row em {
  display: block;
  margin-top: 2px;
  font-style: normal;
  font-size: 12.5px;
  color: #767f8c;
}

.limits {
  padding: 26px;
  border: 1px solid #3a2f1c;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(210, 153, 34, .055), rgba(210, 153, 34, .015));
}
.limits__title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: #d8b062;
}
.limits ul { margin-top: 16px; }
.limits li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  font-size: 13.8px;
  line-height: 1.7;
  color: #a5aeb9;
}
.limits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 5px;
  height: 1.5px;
  border-radius: 1px;
  background: #8a7133;
}
.limits li b { color: #e0bd6f; font-weight: 600; }
.limits__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(210, 153, 34, .16);
  font-size: 12.5px;
  color: #8b7a56;
}

/* ── 安装 ─────────────────────────────────────────────────── */

.install {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.install__step {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
}
.install__num {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--dim);
}
.install__icon {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #6f7b88;
}
.install__icon svg { width: 18px; height: 18px; }

.install__title {
  margin-top: 14px;
  font-size: 16.5px;
  font-weight: 600;
}
.install__step p {
  margin-top: 8px;
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--muted);
}
code {
  padding: 1px 6px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--bg-deep);
  font-family: var(--mono);
  font-size: .88em;
  color: #c6d0dc;
  white-space: nowrap;
}

/* ── 下载 ─────────────────────────────────────────────────── */

.dl {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-card);
  overflow: hidden;
}
.dl__info { padding: 30px; }

.dl__meta { display: grid; gap: 14px; }
.dl__meta > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line-dim);
}
.dl__meta dt { font-size: 13px; color: var(--dim); flex-shrink: 0; }
.dl__meta dd {
  font-size: 13.5px;
  text-align: right;
  word-break: break-all;
}
.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border: 1px solid rgba(63, 185, 80, .3);
  border-radius: 999px;
  background: rgba(63, 185, 80, .1);
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.6;
  color: #56c96a;
  vertical-align: 1px;
}

.dl__hash { margin-top: 26px; }
.dl__hash-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--dim);
}
.dl__hash-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-top: 8px;
}
.dl__hash-value {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: var(--bg-deep);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: #98a3b1;
  overflow-x: auto;
  white-space: nowrap;
}
.copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}
.copy:hover { border-color: #3a4552; color: var(--text); background: rgba(255, 255, 255, .03); }
.copy.is-done { color: var(--success); border-color: rgba(63, 185, 80, .4); }

.dl__hash-hint { margin-top: 9px; font-size: 12px; color: var(--dim); }

.dl__cta {
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-left: 1px solid var(--line);
  background: #12161b;
}
.dl__fine {
  margin-top: 12px;
  font-size: 12.5px;
  text-align: center;
  color: var(--dim);
}
.dl__help {
  margin-top: auto;
  padding-top: 24px;
  font-size: 12.5px;
  color: var(--dim);
}
.dl__help a {
  color: #a9b4c1;
  text-decoration: underline;
  text-decoration-color: #3a4552;
  text-underline-offset: 3px;
}
.dl__help a:hover { color: var(--text); }

.dl__log { margin-top: 28px; }
.dl__log-title {
  font-size: 12.5px;
  font-weight: 600;
  color: #aab4c0;
}
.dl__log ul { margin-top: 10px; }
.dl__log li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}
.dl__log li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #3a4552;
}
.dl__log .mono { color: #c6d0dc; margin-right: 6px; }

.devnote {
  margin-top: 24px;
  padding: 10px 13px;
  border: 1px dashed #2f3944;
  border-radius: 8px;
  font-size: 11.5px;
  line-height: 1.7;
  color: #66707d;
}
.devnote code { font-size: 11px; padding: 0 4px; }

/* ── FAQ ──────────────────────────────────────────────────── */

.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }

.faq__item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
  transition: color .18s ease;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: #fff; }
.faq__item summary::after {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: .5em;
  border-right: 1.5px solid var(--dim);
  border-bottom: 1.5px solid var(--dim);
  transform: rotate(45deg);
  transition: transform .22s ease, border-color .18s ease;
}
.faq__item[open] summary::after {
  transform: rotate(225deg);
  border-color: var(--muted);
}
.faq__body {
  max-width: 60em;
  padding: 0 32px 22px 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  animation: faq-in .22s ease;
}
.faq__body b { color: var(--text); font-weight: 600; }

@keyframes faq-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}

/* ── 页脚 ─────────────────────────────────────────────────── */

.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--line-soft);
  background: #0c0f13;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, .9fr) minmax(0, 1fr);
  gap: 40px;
}
.footer__desc {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--dim);
}
.footer__title {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #7b8592;
}
.footer__col ul { margin-top: 14px; }
.footer__col li {
  margin-bottom: 8px;
  font-size: 13.5px;
  color: var(--muted);
}
.footer__col a { color: var(--muted); transition: color .18s ease; }
.footer__col a:hover { color: var(--text); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 32px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid #171c23;
  font-size: 12px;
  color: #7b8592;
}
.footer__legal { max-width: 620px; line-height: 1.7; }

/* ── 入场动效 ─────────────────────────────────────────────── */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s cubic-bezier(.22, .61, .36, 1),
              transform .55s cubic-bezier(.22, .61, .36, 1);
}
.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ── 响应式 ───────────────────────────────────────────────── */

@media (max-width: 1080px) {
  .hero__grid { gap: 44px; }
}

@media (max-width: 940px) {
  .hero { padding-top: calc(var(--nav-h) + 64px); }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .bento { width: 100%; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .card, .card--wide { grid-column: span 1; }
  .req { grid-template-columns: 1fr; gap: 32px; }
  .dl { grid-template-columns: 1fr; }
  .dl__cta {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 6px 24px 18px;
    background: rgba(15, 18, 22, .97);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .nav__links a {
    padding: 13px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--line-dim);
  }
  .nav__links a:last-child { border-bottom: 0; }
  .nav.is-open .nav__links { display: flex; }
  .nav__toggle { display: block; }
  .nav__actions { margin-left: 0; }
  .nav__links { margin-left: 0; }
  .nav__inner { justify-content: space-between; gap: 12px; }

  .section { padding: 72px 0; }
  .section--tight { padding: 56px 0; }
  .sec-head { margin-bottom: 36px; }
  .sec-head h2 { font-size: clamp(22px, 6.4vw, 26px); }

  .stats { grid-template-columns: 1fr; }
  .stat { padding: 22px 0; border-left: 0; }
  .stat + .stat { border-top: 1px solid var(--line-dim); }

  .steps { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .install { grid-template-columns: 1fr; }
  .shots { grid-template-columns: 1fr; }
  .shot--wide { grid-column: span 1; }
  .shot--wide .shot__frame img { aspect-ratio: 16 / 10; }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .wrap { padding-inline: 20px; }

  .hero { padding-top: calc(var(--nav-h) + 40px); padding-bottom: 64px; }
  .hero h1 { font-size: clamp(28px, 8.4vw, 38px); line-height: 1.28; }
  .br-m { display: inline; }
  .hero__lede { font-size: 15px; margin-top: 18px; }
  .hero__actions { margin-top: 26px; }
  .hero__actions .btn { flex: 1 1 auto; }
  .tile { padding: 12px 13px; }
  .tile__body { margin-top: 11px; min-height: 62px; }
  .tile__title { font-size: 11.5px; }
  .tl__label { flex-basis: 16px; font-size: 8.5px; }
  .tl__segs i { height: 22px; }
  .tl__row--a .tl__segs i { height: 14px; }
  .lane__track { height: 26px; }
  .tile__foot { font-size: 9px; }
  .bento__cap { font-size: 11px; }

  .cards { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .card__title { font-size: 17px; }

  .steps { grid-template-columns: 1fr; gap: 24px; }
  .flow__note { margin-top: 30px; }

  .req__row { grid-template-columns: 100px minmax(0, 1fr); gap: 12px; }
  .limits { padding: 20px; }

  .dl__info, .dl__cta { padding: 22px; }
  .dl__meta dd { font-size: 12.5px; }
  .dl__hash-row { flex-wrap: wrap; }
  .copy { height: 36px; }

  .faq__item summary { font-size: 15px; padding: 18px 0; }
  .faq__body { font-size: 14px; padding-right: 0; }

  .footer { padding: 44px 0 26px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .footer__brand { grid-column: span 2; }
  .footer__bottom { margin-top: 32px; }
}

@media (max-width: 380px) {
  .btn { padding: 0 16px; font-size: 14px; }
  .hero__trust { font-size: 12px; }
}

/* ── 偏好设置 ─────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* ── 购买页 ───────────────────────────────────────────────── */

.buy-hero {
  padding: calc(var(--nav-h) + 72px) 0 10px;
}
.buy-hero h1 {
  margin-top: 14px;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.15;
  letter-spacing: -.03em;
  font-weight: 700;
}
.buy-hero__sub {
  margin-top: 20px;
  max-width: 560px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.buy-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 22px;
  align-items: start;
}

.buy-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #171d25 0%, #131820 100%);
}
.buy-card__label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.buy-card__price {
  margin-top: 12px;
  font-size: 46px;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
}
.buy-card__price--text {
  font-size: 32px;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.buy-card__note {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13.5px;
}
.buy-card__list {
  display: grid;
  gap: 11px;
  margin: 24px 0 26px;
}
.buy-card__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: #b9c3cf;
}
.buy-card__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  opacity: .75;
}
.buy-card__fine {
  margin-top: 14px;
  text-align: center;
  font-size: 12.5px;
  color: var(--dim);
}

.buy-steps {
  padding: 6px 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-sunk);
}
.buy-step {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}
.buy-step:first-child { border-top: 0; }
.buy-step__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}
.buy-step h3 {
  font-size: 15px;
  font-weight: 600;
}
.buy-step p {
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.buy-step p a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.buy-pay {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 26px;
}
.buy-pay__card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-card);
}
.buy-pay__card h3 {
  font-size: 15px;
  font-weight: 600;
}
.buy-pay__card p {
  margin-top: 9px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}
.buy-pay__card a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.buy-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: 34px;
  align-items: center;
}
.buy-contact__sub {
  margin-top: 16px;
  max-width: 420px;
  color: var(--muted);
  line-height: 1.8;
}
.buy-contact__card {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-card);
}
.buy-contact__card dl {
  display: grid;
  gap: 15px;
}
.buy-contact__card dl > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
}
.buy-contact__card dt { color: var(--dim); }
.buy-contact__card dd { text-align: right; }
.buy-contact__card a {
  color: var(--accent-hi);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 860px) {
  .buy-grid,
  .buy-contact { grid-template-columns: 1fr; }
  .buy-pay { grid-template-columns: 1fr; }
  .buy-hero { padding-top: calc(var(--nav-h) + 48px); }
  .buy-card { padding: 24px; }
  .buy-steps { padding: 4px 20px; }
}


/* ── 教程页：多演示布局 ───────────────────────────────────── */

.tut-head { padding: calc(var(--nav-h) + 52px) 0 0; }
.tut-crumb {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.tut-crumb a { color: var(--muted); }
.tut-crumb a:hover { color: var(--text); }
.tut-crumb span { margin: 0 6px; opacity: .5; }

.tut-head h1 {
  margin-top: 12px;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.03em;
  font-weight: 700;
}
.tut-head__sub {
  margin-top: 12px;
  max-width: 560px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

/* 左目录 + 右内容 */
.tut-layout {
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding-top: 36px;
  padding-bottom: 8px;
}
.tut-toc {
  position: sticky;
  top: calc(var(--nav-h) + 26px);
  display: grid;
  gap: 2px;
  align-content: start;
}
.tut-toc__title {
  margin: 0 0 6px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--dim);
}
.tut-toc a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--muted);
  transition: color .16s ease, background-color .16s ease;
}
.tut-toc a:hover { color: var(--text); background: #141a21; }
.tut-toc a.is-active {
  color: var(--text);
  background: rgba(79, 140, 255, .09);
}
.tut-toc a i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
}
.tut-toc a.is-active i { color: var(--accent); }

.tut-main { display: grid; gap: 28px; min-width: 0; }
.tut-block { scroll-margin-top: calc(var(--nav-h) + 24px); }
.tut-block + .tut-block {
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}
.tut-block__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.tut-block__head h2 {
  font-size: clamp(20px, 2.4vw, 25px);
  letter-spacing: -.02em;
  font-weight: 650;
}
.tut-chip {
  padding: 2px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  white-space: nowrap;
}
.tut-chip--live {
  color: #56c96a;
  border-color: rgba(63, 185, 80, .28);
  background: rgba(63, 185, 80, .07);
}
.tut-block__desc {
  margin-top: 9px;
  max-width: 660px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* 紧凑演示卡 */
.tut-demo {
  margin-top: 16px;
  padding: 16px 18px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #171d25 0%, #131820 100%);
}
.tut-demo__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.tut-ctl {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 250px;
  min-width: 0;
}
.tut-ctl__label { flex: 0 0 auto; font-size: 12.5px; color: var(--muted); }
.tut-ctl__value {
  flex: 0 0 auto;
  min-width: 46px;
  text-align: right;
  font-size: 14px;
}

.tut-range {
  flex: 1;
  min-width: 0;
  height: 5px;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(90deg,
              var(--accent) 0 var(--fill, 0%),
              #2b3541 var(--fill, 0%) 100%);
  outline: none;
  cursor: pointer;
}
.tut-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: #e6edf3;
  box-shadow: 0 0 0 5px rgba(79, 140, 255, .12);
  cursor: grab;
}
.tut-range::-webkit-slider-thumb:active { cursor: grabbing; }
.tut-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: #e6edf3;
  cursor: grab;
}
.tut-range:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }

.tut-presets { display: flex; gap: 5px; flex-wrap: wrap; }
.tut-presets button {
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #12171d;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}
.tut-presets button:hover { color: var(--text); border-color: #3a4653; }
.tut-presets button.is-active {
  color: #fff;
  border-color: rgba(79, 140, 255, .55);
  background: rgba(79, 140, 255, .12);
}
.tut-presets button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* 滑块提示 */
.tut-drag-hint {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--dim);
  transition: color .25s ease;
}
.tut-drag-hint__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(79, 140, 255, .45);
  animation: tutPulse 1.8s ease-out infinite;
}
.tut-drag-hint.is-touched { color: #6f7a86; }
.tut-drag-hint.is-touched .tut-drag-hint__dot {
  background: #56606b;
  box-shadow: none;
  animation: none;
}

@keyframes tutPulse {
  0%   { box-shadow: 0 0 0 0 rgba(79, 140, 255, .45); }
  70%  { box-shadow: 0 0 0 7px rgba(79, 140, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 140, 255, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .tut-drag-hint__dot { animation: none; }
}

.tut-readout {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 13px;
  font-size: 12.5px;
  color: var(--muted);
}
.tut-readout b { color: var(--text); font-weight: 600; }
.tut-readout__sum { margin-left: auto; color: var(--dim); }
.tut-arrow { display: inline-block; margin: 0 5px; opacity: .6; }
.tut-readout__sum b { font-weight: 500; }
.tut-readout__sum #sumCut { color: var(--warn); }

.tut-hint {
  margin-top: 10px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--warn);
  opacity: .85;
}
.tut-hint[hidden] { display: none; }

.tut-track {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}
.tut-clip {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 116px;
  grid-template-areas: "name track len";
  align-items: center;
  gap: 12px;
}
.tut-clip__name {
  grid-area: name;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  white-space: nowrap;
}
.tut-clip__track {
  grid-area: track;
  display: block;
  min-width: 0;
  position: relative;
}
.tut-clip__bar {
  position: relative;
  display: block;
  height: 28px;
  overflow: hidden;
  border: 1px solid #3a4653;
  border-radius: 5px;
  background: linear-gradient(180deg, #2b3742 0%, #232c36 100%);
}
.tut-clip__wave {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: .4;
  background: repeating-linear-gradient(90deg,
              rgba(230, 237, 243, .12) 0 2px,
              transparent 2px 7px);
}
.tut-cut {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  width: var(--cut, 0%);
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .30) 0 4px,
              rgba(210, 153, 34, .12) 4px 8px);
  transition: width .16s linear;
}
.tut-cut--in { left: 0; border-right: 1px dashed rgba(210, 153, 34, .65); }
.tut-cut--out { right: 0; border-left: 1px dashed rgba(210, 153, 34, .65); }

/* 素材块里的时长标注 */
.tut-cut__label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 400;
  color: rgba(242, 216, 162, .92);
  white-space: nowrap;
  pointer-events: none;
}
.tut-cut__label.is-hidden { display: none; }

.tut-clip__keep {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  color: rgba(230, 237, 243, .66);
  white-space: nowrap;
  pointer-events: none;
}
.tut-clip__keep.is-hidden { display: none; }

/* 全剪空 → 整条禁用，保留在时间线上 */
.tut-clip__banned {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: none;
  place-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: #e6c489;
  white-space: nowrap;
  pointer-events: none;
}
.tut-clip.is-disabled .tut-clip__banned { display: grid; }
.tut-clip.is-disabled .tut-clip__keep,
.tut-clip.is-disabled .tut-cut { display: none; }
.tut-clip.is-disabled .tut-clip__wave { opacity: .25; }
.tut-clip.is-disabled .tut-clip__bar {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .20) 0 4px,
              transparent 4px 8px), #17130c;
  border: 1px dashed rgba(210, 153, 34, .72);
}
.tut-clip.is-disabled .tut-clip__len { color: var(--warn); }
.tut-clip__len {
  grid-area: len;
  text-align: right;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.tut-clip.is-cut .tut-clip__len { color: var(--text); }

/* 演示声明：必须醒目 */
.tut-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 14px;
  padding: 9px 12px;
  border: 1px solid rgba(210, 153, 34, .34);
  border-radius: 8px;
  background: rgba(210, 153, 34, .09);
  font-size: 12px;
  line-height: 1.65;
  color: #d8b062;
}
.tut-notice__badge {
  flex: 0 0 auto;
  margin-top: 1px;
  padding: 1px 8px;
  border: 1px solid rgba(210, 153, 34, .38);
  border-radius: 4px;
  background: rgba(210, 153, 34, .18);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: #eac98b;
  white-space: nowrap;
}
.tut-notice b { color: #f3d79f; font-weight: 600; }

.tut-mini-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.tut-mini-step {
  display: flex;
  gap: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}
.tut-mini-step b {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--accent);
  padding-top: 1px;
}
.tut-mini-step em { font-style: normal; color: var(--text); }

.tut-note {
  margin-top: 12px;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--dim);
}
.tut-note b { color: var(--muted); font-weight: 600; }

/* 预留演示位 */
.tut-slot {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  height: 132px;
  margin-top: 14px;
  border: 1px dashed #2f3946;
  border-radius: 12px;
  background: rgba(255, 255, 255, .012);
}
.tut-slot span {
  font-family: var(--mono);
  font-size: 11.5px;
  color: #5f6a77;
}
.tut-slot em {
  font-style: normal;
  font-size: 11.5px;
  color: #4b5560;
}

/* 底部 CTA */
.tut-cta { padding: 44px 0 0; }
.tut-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #171d25 0%, #12161b 100%);
}
.tut-cta h2 { font-size: clamp(18px, 2.4vw, 22px); letter-spacing: -.02em; }
.tut-cta p { margin-top: 6px; color: var(--muted); font-size: 13px; }
.tut-cta__actions { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .tut-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 20px;
  }
  .tut-toc {
    position: sticky;
    top: var(--nav-h);
    z-index: 6;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 10px 0;
    margin: 0 0 4px;
    background: rgba(15, 18, 22, .94);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line-soft);
    scrollbar-width: none;
  }
  .tut-toc::-webkit-scrollbar { display: none; }
  .tut-toc__title { display: none; }
  .tut-toc a {
    flex: 0 0 auto;
    padding: 6px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 12.5px;
    background: #12171d;
  }
  .tut-toc a i { font-size: 9.5px; }
  .tut-main { gap: 28px; }
  .tut-block + .tut-block { padding-top: 26px; }
  .tut-demo { padding: 14px 14px 12px; }
  .tut-clip {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "name len"
      "track track";
    gap: 6px 10px;
  }
  /* 演示声明：必须醒目 */
.tut-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 14px;
  padding: 9px 12px;
  border: 1px solid rgba(210, 153, 34, .34);
  border-radius: 8px;
  background: rgba(210, 153, 34, .09);
  font-size: 12px;
  line-height: 1.65;
  color: #d8b062;
}
.tut-notice__badge {
  flex: 0 0 auto;
  margin-top: 1px;
  padding: 1px 8px;
  border: 1px solid rgba(210, 153, 34, .38);
  border-radius: 4px;
  background: rgba(210, 153, 34, .18);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: #eac98b;
  white-space: nowrap;
}
.tut-notice b { color: #f3d79f; font-weight: 600; }

.tut-mini-steps { grid-template-columns: 1fr; gap: 8px; }
  .tut-slot { height: 140px; }
  .tut-head { padding-top: calc(var(--nav-h) + 36px); }
}

/* ── 单机位剪辑演示 ─────────────────────────────────────── */

.sc-demo {
  margin-top: 16px;
  padding: 16px 18px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #171d25 0%, #131820 100%);
}

.sc-top {
  display: flex;
  align-items: center;
  gap: 18px 26px;
  flex-wrap: wrap;
}
.sc-field {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sc-field__label {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.sc-select-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.sc-select {
  -webkit-appearance: none;
  appearance: none;
  padding: 5px 30px 5px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #12171d;
  color: var(--text);
  font-family: var(--font);
  font-size: 12.5px;
  cursor: pointer;
}
.sc-select:hover { border-color: #3a4653; }
.sc-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sc-select__arrow {
  position: absolute;
  right: 9px;
  pointer-events: none;
  color: var(--dim);
}

.sc-field--range { flex: 1 1 300px; min-width: 0; }
.sc-range {
  flex: 1;
  min-width: 90px;
  height: 5px;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(90deg,
              var(--accent) 0 var(--fill, 40%),
              #2b3541 var(--fill, 40%) 100%);
  outline: none;
  cursor: pointer;
}
.sc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: #e6edf3;
  box-shadow: 0 0 0 5px rgba(79, 140, 255, .12);
  cursor: grab;
}
.sc-range::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: #e6edf3;
  cursor: grab;
}
.sc-range:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.sc-range__value {
  flex: 0 0 auto;
  min-width: 44px;
  text-align: right;
  font-size: 13px;
}

.sc-hint {
  margin-top: 10px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--dim);
}

.sc-rows {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 14px;
}
.sc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "head tag"
    "track track"
    "stats stats";
  align-items: center;
  gap: 6px 12px;
}
.sc-row__head {
  grid-area: head;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.sc-row__name {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  white-space: nowrap;
}
.sc-pattern {
  padding: 0 4px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 9.5px;
  font-style: normal;
  letter-spacing: .04em;
  color: #8b949e;
  background: #12171d;
}
.sc-row__track {
  grid-area: track;
  display: block;
  min-width: 0;
  margin-top: 2px;
}
.sc-clip {
  display: flex;
  align-items: stretch;
  height: 26px;
  overflow: hidden;
  border: 1px solid #3a4653;
  border-radius: 5px;
  background: #222a34;
  transition: width .45s cubic-bezier(.22, .9, .2, 1);
}
.sc-part {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 100%;
  background: linear-gradient(180deg, #2b3742 0%, #232c36 100%);
  font-family: var(--mono);
  font-size: 9.5px;
  color: rgba(230, 237, 243, .72);
  white-space: nowrap;
  overflow: hidden;
  transition: width .45s cubic-bezier(.22, .9, .2, 1),
              background-color .3s ease,
              opacity .3s ease;
}
.sc-part--good + .sc-part--good { border-left: 1px solid #3a4653; }
.sc-part--kept {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .30) 0 4px,
              rgba(210, 153, 34, .12) 4px 8px);
  box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .5);
  color: #e8c888;
}
.sc-part--bad {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .30) 0 4px,
              rgba(210, 153, 34, .12) 4px 8px);
  color: #e8c888;
  letter-spacing: .04em;
}
.sc-part--ignored {
  background: linear-gradient(180deg, rgba(210, 153, 34, .10), rgba(210, 153, 34, .05));
}
.sc-cut {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 0;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #141a21;
  background-image: repeating-linear-gradient(45deg,
                    rgba(255, 255, 255, .035) 0 3px,
                    transparent 3px 7px);
  box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .25);
  color: rgba(210, 153, 34, .85);
  font-size: 9.5px;
  overflow: hidden;
  transition: width .3s ease;
}
.sc-cut.is-head { left: 0; transform: none; }
.sc-cut.is-tail { left: auto; right: 0; transform: none; }
.sc-part--gone {
  background: #141a21;
  background-image: repeating-linear-gradient(45deg,
                    rgba(255, 255, 255, .035) 0 3px,
                    transparent 3px 7px);
  box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .22);
  color: rgba(210, 153, 34, .8);
}
.sc-part--trim {
  background: rgba(210, 153, 34, .16);
  box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .3);
}
.sc-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 14px;
  font-size: 11px;
  color: var(--dim);
}
.sc-legend span { display: inline-flex; align-items: center; gap: 6px; }
.sc-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: #2b3742;
  box-shadow: inset 0 0 0 1px #3a4653;
}
.sc-dot--ignored { background: rgba(210, 153, 34, .16); box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .2); }
.sc-dot--gone { background: #141a21; box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .35); }
.sc-dot--keep { background: repeating-linear-gradient(45deg, rgba(210, 153, 34, .45) 0 3px, rgba(210, 153, 34, .12) 3px 6px); box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .5); }
.sc-dot--trim { background: rgba(210, 153, 34, .18); box-shadow: inset 0 0 0 1px rgba(210, 153, 34, .32); }

.sc-row__meta {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.sc-row__stats {
  grid-area: stats;
  font-size: 10.5px;
  color: #6b7580;
  letter-spacing: .01em;
}
.sc-row__tag {
  grid-area: tag;
  font-size: 11px;
  color: var(--dim);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sc-row__tag.is-warn { color: var(--warn); }
.sc-row__tag.is-keep { color: #c9a55c; }

.sc-sum {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--muted);
}
.sc-sum b { color: var(--text); font-weight: 600; }
.sc-sum b.is-cut { color: var(--warn); }
.sc-sum__counts { color: var(--dim); }

@media (max-width: 900px) {
  .sc-demo { padding: 14px 14px 12px; }
  .sc-row__head { gap: 8px; }
  .sc-row__stats {
  grid-area: stats;
  font-size: 10.5px;
  color: #6b7580;
  letter-spacing: .01em;
}
.sc-row__tag { font-size: 10.5px; }
}

/* ── 多机位剪辑演示 ─────────────────────────────────────── */

.mc-demo {
  margin-top: 16px;
  padding: 16px 18px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #171d25 0%, #131820 100%);
}
.mc-top {
  display: flex;
  align-items: center;
  gap: 14px 22px;
  flex-wrap: wrap;
}
.mc-field { display: flex; align-items: center; gap: 9px; }
.mc-field__label { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.mc-select-wrap { position: relative; display: inline-flex; align-items: center; }
.mc-select {
  -webkit-appearance: none;
  appearance: none;
  padding: 5px 28px 5px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #12171d;
  color: var(--text);
  font-family: var(--font);
  font-size: 12.5px;
  cursor: pointer;
}
.mc-select:hover { border-color: #3a4653; }
.mc-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mc-select__arrow { position: absolute; right: 9px; color: var(--dim); pointer-events: none; }
.mc-note { margin: 10px 0 0; font-size: 11.5px; color: var(--dim); }

.mc-tracks {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}
.mc-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}
.mc-row--out { margin-top: 4px; }
.mc-name {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
}
.mc-rail {
  position: relative;
  display: block;
  height: 26px;
  border-radius: 5px;
  background: #12161b;
  box-shadow: inset 0 0 0 1px #242c36;
  overflow: hidden;
}
.mc-rail--out {
  height: 18px;
  /* 输出轨不做圆角裁剪，避免首尾露出一小截底色被误认为黑场 */
  border-radius: 0;
  box-shadow: inset 0 0 0 1px transparent;
}
.mc-seg {
  position: absolute;
  top: 0;
  bottom: 0;
  display: block;
  min-width: 1.5px;
}

.mc-seg--len {
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1;
  color: rgba(255, 255, 255, .82);
  letter-spacing: -.02em;
  overflow: hidden;
  pointer-events: none;
}

/* 轨道上的素材：主机蓝、游机绿 */
.mc-seg--host-good { background: linear-gradient(180deg, #3a6bb5, #2f568f); }
.mc-seg--roam-good { background: linear-gradient(180deg, #2f7d4d, #26663f); }
.mc-seg--host-kept,
.mc-seg--roam-kept {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .34) 0 4px,
              rgba(210, 153, 34, .12) 4px 8px);
}
.mc-seg--host-cut,
.mc-seg--roam-cut,
.mc-seg--host-short,
.mc-seg--roam-short { display: none; }
.mc-seg--host-yield,
.mc-seg--roam-yield {
  background: repeating-linear-gradient(-45deg,
              rgba(230, 237, 243, .13) 0 6px,
              rgba(230, 237, 243, .04) 6px 12px);
  box-shadow: inset 0 0 0 1px rgba(230, 237, 243, .12);
}

/* 输出轨：按素材上色 */
.mc-seg--out-H { background: #3a6bb5; }
.mc-seg--out-R { background: #2f7d4d; }
.mc-seg--out-HF,
.mc-seg--out-RF {
  background: repeating-linear-gradient(45deg,
              rgba(210, 153, 34, .4) 0 4px,
              rgba(210, 153, 34, .14) 4px 8px);
}

.mc-axis {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0 46px;
  font-family: var(--mono);
  font-size: 10px;
  color: #56606b;
}
.mc-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 12px;
  font-size: 11px;
  color: var(--dim);
}
.mc-legend span { display: inline-flex; align-items: center; gap: 6px; }
.mc-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: #2b3742;
  box-shadow: inset 0 0 0 1px #3a4653;
}
.mc-dot--host { background: #3a6bb5; box-shadow: none; }
.mc-dot--roam { background: #2f7d4d; box-shadow: none; }
.mc-dot--cut { background: #12161b; box-shadow: inset 0 0 0 1px #2a3340; }
.mc-dot--yield { background: repeating-linear-gradient(-45deg, rgba(230,237,243,.14) 0 3px, transparent 3px 6px); box-shadow: inset 0 0 0 1px rgba(230,237,243,.12); }
.mc-dot--keep { background: repeating-linear-gradient(45deg, rgba(210,153,34,.45) 0 3px, rgba(210,153,34,.12) 3px 6px); }

.mc-sum {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--muted);
}
.mc-sum b { color: var(--text); font-weight: 600; }
.mc-sum__detail { color: var(--dim); }

@media (max-width: 900px) {
  .mc-demo { padding: 14px 14px 12px; }
  .mc-row { grid-template-columns: 32px minmax(0, 1fr); gap: 8px; }
  .mc-axis { margin-left: 40px; }
}