@charset "UTF-8";
/* ============================================================
   拾光纪 LUMORA · Design System v2「深空极光」
   深色宇宙底 + 高饱和极光渐变 + 玻璃拟态 + 真实影像 + 滚动动效
   移动优先 / 8px 基线 / WCAG 2.2 AA
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  /* 底色层级 */
  --bg: #05050A;
  --bg-2: #0A0A14;
  --bg-3: #10101C;
  --surface: rgba(255, 255, 255, .045);
  --surface-2: rgba(255, 255, 255, .075);
  --line: rgba(255, 255, 255, .10);
  --line-2: rgba(255, 255, 255, .20);

  /* 文字（深底） */
  --t1: #F4F6FB;
  --t2: #A9B0C2;
  --t3: #737A8E;

  /* 品牌色 · 极光 */
  --mint: #2BE8C0;
  --blue: #4D7CFE;
  --violet: #9B6BFF;
  --pink: #FF4D8D;
  --amber: #FFB454;
  --deep: #04121C; /* 高饱和底上的深色文字 */

  /* 渐变 */
  --grad-aurora: linear-gradient(115deg, #2BE8C0 0%, #4D7CFE 40%, #9B6BFF 70%, #FF4D8D 100%);
  --grad-cool: linear-gradient(115deg, #2BE8C0, #4D7CFE);
  --grad-warm: linear-gradient(115deg, #FFB454, #FF4D8D);
  --grad-text: linear-gradient(100deg, #7BF5DC 0%, #8FB3FF 45%, #D5A8FF 75%, #FFA8C6 100%);

  /* 浅色区块 */
  --paper: #F4F6FB;
  --paper-2: #E9EDF6;
  --on-paper: #0B1020;
  --on-paper-2: #414A63;
  --on-paper-3: #5F6880;

  /* 字体 */
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* 字号 */
  --fs-12: .75rem;
  --fs-13: .8125rem;
  --fs-14: .875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-20: 1.25rem;
  --fs-24: 1.5rem;
  --fs-32: 2rem;
  --fs-40: 2.5rem;

  /* 间距 */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 20px;
  --s6: 24px; --s8: 32px; --s10: 40px; --s12: 48px; --s16: 64px;
  --s20: 80px; --s24: 96px; --s32: 128px;

  /* 圆角 */
  --r-s: 10px; --r-m: 16px; --r-l: 24px; --r-xl: 32px; --r-pill: 999px;

  /* 阴影 / 光 */
  --sh-1: 0 2px 8px rgba(0, 0, 0, .5);
  --sh-2: 0 16px 48px rgba(0, 0, 0, .55);
  --glow-mint: 0 0 48px rgba(43, 232, 192, .30);
  --glow-blue: 0 0 48px rgba(77, 124, 254, .32);
  --glow-pink: 0 0 48px rgba(255, 77, 141, .28);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --dur: .28s;

  --nav-h: 68px;
  --maxw: 1280px;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--t1);
  font-family: var(--sans);
  font-size: var(--fs-16);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 800; line-height: 1.18; letter-spacing: -.02em; }
p { margin: 0; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--mint); color: var(--deep); }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 6px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link {
  position: absolute; left: 16px; top: -70px; z-index: 999;
  background: var(--mint); color: var(--deep); padding: 10px 20px;
  border-radius: var(--r-pill); font-weight: 700; transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 14px; }

/* ---------- 3. 背景层：极光 / 网格 / 噪点 ---------- */
.bg-layer { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5;
  will-change: transform;
}
.orb--1 { width: 46vw; height: 46vw; min-width: 320px; min-height: 320px; left: -8vw; top: -10vw; background: radial-gradient(circle, rgba(43, 232, 192, .55), transparent 68%); animation: drift1 26s var(--ease) infinite alternate; }
.orb--2 { width: 52vw; height: 52vw; min-width: 340px; min-height: 340px; right: -12vw; top: 4vw; background: radial-gradient(circle, rgba(155, 107, 255, .5), transparent 68%); animation: drift2 32s var(--ease) infinite alternate; }
.orb--3 { width: 42vw; height: 42vw; min-width: 300px; min-height: 300px; left: 22vw; top: 48vh; background: radial-gradient(circle, rgba(255, 77, 141, .34), transparent 70%); animation: drift3 38s var(--ease) infinite alternate; }
.orb--4 { width: 38vw; height: 38vw; min-width: 260px; min-height: 260px; right: 12vw; top: 76vh; background: radial-gradient(circle, rgba(77, 124, 254, .4), transparent 70%); animation: drift1 30s var(--ease) infinite alternate-reverse; }

.bg-grid {
  position: absolute; inset: 0; opacity: .35;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
}
.noise {
  position: absolute; inset: 0; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
@keyframes drift1 { to { transform: translate3d(6vw, 8vh, 0) scale(1.15); } }
@keyframes drift2 { to { transform: translate3d(-8vw, 6vh, 0) scale(1.1); } }
@keyframes drift3 { to { transform: translate3d(4vw, -8vh, 0) scale(1.2); } }

/* 鼠标光晕 */
.cursor-glow {
  position: fixed; width: 620px; height: 620px; z-index: 0; pointer-events: none;
  border-radius: 50%; opacity: 0; transition: opacity .4s var(--ease);
  background: radial-gradient(circle, rgba(77, 124, 254, .14), transparent 62%);
  transform: translate(-50%, -50%); will-change: transform;
}
body.has-cursor .cursor-glow { opacity: 1; }

/* 滚动进度 */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 200;
  background: transparent;
}
.scroll-progress i {
  display: block; height: 100%; width: 0;
  background: var(--grad-aurora); box-shadow: 0 0 14px rgba(43, 232, 192, .6);
}

/* ---------- 4. Layout ---------- */
main, .footer { position: relative; z-index: 1; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s5); }
@media (min-width: 768px) { .container { padding: 0 var(--s8); } }
.section { padding: var(--s16) 0; position: relative; }
@media (min-width: 992px) { .section { padding: var(--s32) 0; } }
.section--tight { padding: var(--s12) 0; }
.section--paper { background: var(--paper); color: var(--on-paper); }
.section--paper .text-2 { color: var(--on-paper-2); }
.section--paper .text-3 { color: var(--on-paper-3); }
.section--paper .lead { color: var(--on-paper-2); }
.section--panel { background: linear-gradient(180deg, rgba(255, 255, 255, .025), transparent); border-block: 1px solid var(--line); }

.grid { display: grid; gap: var(--s6); }
.g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
@media (min-width: 576px) { .g-2, .g-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .g-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .g-3 { grid-template-columns: repeat(3, 1fr); } .g-4 { grid-template-columns: repeat(4, 1fr); } }
.auto-fit { grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); }

.row { display: flex; gap: var(--s4); }
.row-wrap { flex-wrap: wrap; }
.row-center { align-items: center; }
.row-between { justify-content: space-between; }
.row-end { justify-content: flex-end; }
.col { display: flex; flex-direction: column; gap: var(--s4); }

/* ---------- 5. Typography ---------- */
.h1 { font-size: clamp(2.3rem, 8.4vw, 5.2rem); letter-spacing: -.035em; line-height: 1.05; }
.h2 { font-size: clamp(1.75rem, 4.6vw, 3rem); letter-spacing: -.03em; }
.h3 { font-size: clamp(1.25rem, 3vw, 1.9rem); letter-spacing: -.02em; }
.h4 { font-size: var(--fs-18); font-weight: 700; letter-spacing: -.01em; }
.lead { font-size: clamp(1rem, 2.2vw, 1.25rem); color: var(--t2); line-height: 1.75; }
.text-2 { color: var(--t2); }
.text-3 { color: var(--t3); }
.text-sm { font-size: var(--fs-14); }
.text-xs { font-size: var(--fs-12); }
.center { text-align: center; }
.measure { max-width: 60ch; }
.mx-auto { margin-inline: auto; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: .04em; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.text-gold { color: var(--mint); }
.section--paper .text-gold, .card--paper .text-gold { color: #0E7F6B; }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-family: var(--mono); font-size: var(--fs-12); letter-spacing: .22em;
  text-transform: uppercase; color: var(--mint); font-weight: 600;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--grad-cool); }
.section--paper .eyebrow { color: #0E7F6B; }
.section--paper .eyebrow::before { background: #0E7F6B; }

.section-head { margin-bottom: var(--s10); max-width: 780px; }
.section-head.center { margin-inline: auto; }
.section-head .h2 { margin: var(--s4) 0 var(--s4); }

.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- 6. Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s2); padding: 13px 26px; border-radius: var(--r-pill);
  font-size: var(--fs-14); font-weight: 700; letter-spacing: .01em; white-space: nowrap;
  border: 1px solid transparent; overflow: hidden; isolation: isolate;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(.96); }
.btn-primary { background: var(--grad-cool); color: var(--deep); box-shadow: 0 8px 28px rgba(43, 232, 192, .26); }
.btn-primary:hover { box-shadow: 0 14px 40px rgba(43, 232, 192, .42); }
/* 扫光 */
.btn-primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, .55) 50%, transparent 80%);
  transform: translateX(-120%); transition: transform .7s var(--ease);
}
.btn-primary:hover::after { transform: translateX(120%); }
.btn-aurora { background: var(--grad-aurora); color: var(--deep); box-shadow: var(--glow-blue); }
.btn-outline { border-color: var(--line-2); color: var(--t1); background: rgba(255, 255, 255, .03); backdrop-filter: blur(8px); }
.btn-outline:hover { border-color: var(--mint); color: var(--mint); background: rgba(43, 232, 192, .08); }
.btn-ghost { color: var(--t2); }
.btn-ghost:hover { color: var(--t1); background: rgba(255, 255, 255, .06); }
.btn-dark { background: var(--on-paper); color: #fff; }
.btn-sm { padding: 9px 18px; font-size: var(--fs-13); }
.btn-lg { padding: 17px 34px; font-size: var(--fs-16); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; pointer-events: none; }
.section--paper .btn-outline { border-color: rgba(11, 16, 32, .18); color: var(--on-paper); background: rgba(255, 255, 255, .6); }
.section--paper .btn-outline:hover { border-color: #0E7F6B; color: #0E7F6B; background: #fff; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--mint); font-size: var(--fs-14); font-weight: 700; }
.link-arrow span { transition: transform var(--dur) var(--ease); }
.link-arrow:hover span { transform: translateX(5px); }

/* ---------- 7. Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5, 5, 10, .62); backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent; transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav.is-scrolled { border-color: var(--line); background: rgba(5, 5, 10, .85); }
.nav__inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: var(--s4); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: var(--fs-18); letter-spacing: -.02em; }
.brand__mark {
  width: 32px; height: 32px; border-radius: 10px; flex: none;
  background: var(--grad-aurora); display: grid; place-items: center;
  color: var(--deep); font-size: 13px; font-weight: 900;
  box-shadow: 0 0 22px rgba(77, 124, 254, .45);
}
.brand__sub { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .26em; color: var(--t3); font-weight: 500; }
.nav__links { display: none; gap: var(--s6); font-size: var(--fs-14); }
.nav__links a { color: var(--t2); transition: color var(--dur) var(--ease); position: relative; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--t1); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: var(--grad-cool); border-radius: 2px; transition: right var(--dur) var(--ease);
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { right: 0; }
.nav__actions { display: none; gap: var(--s2); align-items: center; }
.nav__burger { width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--r-s); border: 1px solid var(--line); color: var(--t1); }
.nav__burger:hover { border-color: var(--line-2); background: var(--surface); }
@media (min-width: 992px) {
  .nav__links, .nav__actions { display: flex; }
  .nav__burger { display: none; }
}
.nav__mobile { display: none; padding: var(--s4) 0 var(--s6); border-top: 1px solid var(--line); }
.nav__mobile.is-open { display: block; animation: fadeUp .3s var(--ease); }
.nav__mobile a { display: block; padding: 13px 0; color: var(--t2); border-bottom: 1px solid var(--line); }
.nav__mobile .btn { margin-top: var(--s4); }

/* ---------- 8. Hero ---------- */
.hero { position: relative; padding: var(--s16) 0 var(--s16); overflow: hidden; }
@media (min-width: 992px) { .hero { padding: var(--s24) 0 var(--s20); } }
.hero__badges { display: flex; flex-wrap: wrap; gap: var(--s2); margin-bottom: var(--s6); }
.hero__title { margin-bottom: var(--s6); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s8); }
.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); margin-top: var(--s12); padding-top: var(--s6); border-top: 1px solid var(--line); }
.hero__visual { margin-top: var(--s12); }

.hero-split { display: grid; grid-template-columns: 1fr; gap: var(--s10); align-items: center; }
@media (min-width: 992px) { .hero-split { grid-template-columns: 1.05fr .95fr; gap: var(--s16); } }

/* 注：原 8b「生成中片场」(.hero-stage/.filmstrip/.hero-card/.hero-chip)
   已被胶片剪辑台 (.desk。*) 取代，样式见文件末尾。 */

/* ---------- 8c. 产品线标题区「左文右号」 ---------- */
.line-head {
  display: grid; grid-template-columns: 1fr; gap: var(--s5);
  align-items: center;
  margin-bottom: var(--s8);
}
.line-head__txt { min-width: 0; }
.line-head__num { display: none; }

.line-badge {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--s3); padding: 10px 14px;
  border-radius: var(--r-m);
  background: var(--surface); border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.line-badge:hover { border-color: var(--line-2); background: var(--surface-2); }
.line-badge b {
  font-family: var(--mono); font-size: var(--fs-16); font-weight: 700;
  letter-spacing: -.02em; color: var(--t1); font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.line-badge i { font-style: normal; font-size: var(--fs-12); color: var(--t3); white-space: nowrap; }

@media (min-width: 992px) {
  .line-head {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: var(--s8);
    margin-bottom: var(--s10);
    padding-bottom: var(--s6);
    border-bottom: 1px solid var(--line);
  }
  .line-head__num {
    position: relative;
    display: block; grid-row: 1 / 3; grid-column: 2;
    font-family: var(--mono); font-weight: 800; line-height: .78;
    font-size: clamp(4.5rem, 9vw, 7.5rem);
    letter-spacing: -.06em;
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(255, 255, 255, .20);
    background-image: linear-gradient(180deg, var(--acc, #2BE8C0), transparent 88%);
    -webkit-background-clip: text; background-clip: text;
    user-select: none; pointer-events: none;
    padding-right: var(--s2);
  }
  /* 序号左侧那道竖向渐变线，作为内容分栏的视觉锚点 */
  .line-head__num::before {
    content: ""; display: block; position: absolute;
    width: 2px; height: 100%; right: 100%; top: 0;
    background: linear-gradient(180deg, var(--acc, #2BE8C0), transparent 82%);
  }
  .line-head__meta {
    grid-column: 1; display: flex; flex-wrap: wrap; gap: var(--s2);
  }
  .line-head__meta .line-badge { padding: 8px 13px; }
}
.line-mint   { --acc: #2BE8C0; }
.line-violet { --acc: #9B6BFF; }
.line-amber  { --acc: #FFB454; }
.line-pink   { --acc: #FF4D8D; }

/* ---------- 8d. 首屏快速路由卡 ---------- */
.line-jump {
  position: relative; display: block; overflow: hidden;
  padding: var(--s5) var(--s6) var(--s5) calc(var(--s6) + 26px);
  border-radius: var(--r-m);
  background: var(--surface); border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
/* 左侧那条 accent 竖线，卡片的识别色 */
.line-jump::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--acc, var(--mint)), transparent 92%);
}
.line-jump:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--acc, var(--mint)) 45%, transparent);
  background: var(--surface-2);
}
.line-jump__no {
  position: absolute; right: var(--s5); top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 2.6rem; font-weight: 800; line-height: 1;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--acc, var(--mint)) 55%, transparent);
  opacity: .55; transition: opacity var(--dur) var(--ease); pointer-events: none;
}
.line-jump:hover .line-jump__no { opacity: 1; }
.line-jump__t { display: block; font-size: var(--fs-18); font-weight: 800; letter-spacing: -.02em; }
.line-jump__d { display: block; margin-top: 4px; font-size: var(--fs-13); color: var(--t3); line-height: 1.55; }
.line-jump__m {
  display: block; margin-top: var(--s3); font-family: var(--mono);
  font-size: var(--fs-12); color: var(--t2); letter-spacing: -.01em;
}
.line-jump--ghost { background: transparent; border-style: dashed; }
.line-jump--ghost::before { background: linear-gradient(180deg, rgba(255, 255, 255, .28), transparent 92%); }
.line-jump--ghost .line-jump__no { -webkit-text-stroke-color: rgba(255, 255, 255, .26); }

/* ---------- 8e. 首屏右侧「素材 → 流程 → 成片」特效 ---------- */
.pipe {
  position: relative;
  margin-top: var(--s10);
  padding: var(--s5);
  border-radius: var(--r-l);
  background: rgba(10, 10, 20, .6);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.pipe__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s3); margin-bottom: var(--s5);
}
.pipe__eyebrow {
  font-family: var(--mono); font-size: var(--fs-12); letter-spacing: .18em;
  color: var(--t3);
}
.pipe__live {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--r-pill);
  font-family: var(--mono); font-size: var(--fs-12);
  color: var(--mint); background: rgba(43, 232, 192, .10);
  border: 1px solid rgba(43, 232, 192, .35);
}
.pipe__live::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--mint); animation: vdot 1.6s var(--ease) infinite;
}

.pipe__row--out { align-items: center; }
.pipe__row { display: flex; align-items: center; gap: var(--s4); }
.pipe__label {
  flex: none; width: 34px;
  font-size: var(--fs-12); color: var(--t3);
}

/* 素材小图 */
.pipe__mats { display: flex; gap: var(--s2); }
.pipe__mat {
  margin: 0; width: 46px; height: 46px; flex: none;
  border-radius: var(--r-s); overflow: hidden;
  border: 1px solid var(--line);
  opacity: .55;
}
.pipe__mat img { width: 100%; height: 100%; object-fit: cover; }
/* 三张素材依次亮起，表示被读取 */
.pipe__mat { animation: mat-pick 6s var(--ease) infinite; }
.pipe__mat:nth-child(1) { animation-delay: 0s; }
.pipe__mat:nth-child(2) { animation-delay: .5s; }
.pipe__mat:nth-child(3) { animation-delay: 1s; }
@keyframes mat-pick {
  0%, 12%   { opacity: .55; }
  25%, 60%  { opacity: 1; box-shadow: 0 0 0 1px rgba(43, 232, 192, .55), 0 0 18px rgba(43, 232, 192, .28); }
  75%, 100% { opacity: .55; }
}

/* 流程节点 */
.pipe__flow {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: var(--s5) 0;
  padding: var(--s5) 0;
  border-block: 1px dashed var(--line);
  position: relative;
}
.pipe__flow::before {
  content: ""; position: absolute; left: 0; top: -1px; height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  opacity: .5;
}
.pipe__node {
  padding: 5px 11px; border-radius: var(--r-pill);
  font-size: var(--fs-12);
  color: var(--t3);
  background: var(--surface); border: 1px solid var(--line);
  transition: color .4s var(--ease), border-color .4s var(--ease),
              background .4s var(--ease), box-shadow .4s var(--ease);
}
.pipe__node.is-on {
  color: var(--t1);
  background: rgba(43, 232, 192, .12);
  border-color: rgba(43, 232, 192, .5);
  box-shadow: 0 0 16px rgba(43, 232, 192, .22);
}

/* 成片输出帧 */
.pipe__reel {
  position: relative; flex: 1; min-width: 0;
  display: grid; grid-template-columns: 96px minmax(0, 1fr);
  grid-template-rows: 62px;
  align-items: center; gap: var(--s3);
}
.pipe__reel-box {
  position: relative; grid-column: 1; grid-row: 1;
  width: 96px; height: 62px;
}
.pipe__frame {
  position: absolute; inset: 0; margin: 0;
  border-radius: var(--r-s); overflow: hidden;
  border: 1px solid var(--line);
  opacity: 0; transition: opacity .7s var(--ease);
}
.pipe__frame.is-on { opacity: 1; }
.pipe__frame img { width: 100%; height: 100%; object-fit: cover; }
.pipe__reel-cap {
  grid-column: 2; grid-row: 1;
  font-family: var(--mono); font-size: var(--fs-12); color: var(--t2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 进度条 */
.pipe__meter {
  height: 3px; border-radius: 2px; overflow: hidden;
  background: rgba(255, 255, 255, .07);
}
.pipe__meter i {
  display: block; height: 100%; width: 0;
  background: var(--grad-cool);
  animation: pipe-fill 6s var(--ease) infinite;
}
@keyframes pipe-fill {
  0%   { width: 4%; }
  70%  { width: 92%; }
  90%  { width: 100%; }
  100% { width: 100%; opacity: .2; }
}

@media (min-width: 992px) {
  .pipe { margin-top: 0; }
}

/* 辅助入口：弱化的胶囊，不与主线争视觉 */
.chip--aux {
  color: var(--t3);
  background: transparent;
  border-style: dashed;
}
.chip--aux:hover { color: var(--t1); border-color: var(--line-2); }

/* 浮动标签条 */
/* ---------- 能力流转带（原 marquee 升级版） ---------- */
.capflow-band { position: relative; border-block: 1px solid var(--line); background: rgba(255, 255, 255, .018); }
.capflow { position: relative; padding: var(--s5) 0; overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent); }
/* 中央极光晕：缓慢呼吸，给整条带子一个光心 */
.capflow__glow { position: absolute; left: 50%; top: 50%; width: min(760px, 82vw); height: 190%;
  transform: translate(-50%, -50%); pointer-events: none; z-index: 0; opacity: .5;
  background: radial-gradient(closest-side, rgba(43, 232, 192, .16), rgba(77, 124, 254, .09) 46%, transparent 76%);
  animation: capflow-breathe 9s var(--ease) infinite; }
/* 扫描光带：一道斜光周期性掠过，暗示"正在处理" */
.capflow__rail { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.capflow__rail::before { content: ""; position: absolute; top: -60%; bottom: -60%; width: 188px;
  background: linear-gradient(102deg, transparent, rgba(43, 232, 192, .16) 42%, rgba(255, 255, 255, .30) 50%, rgba(155, 107, 255, .14) 60%, transparent);
  filter: blur(9px); animation: capflow-sweep 6.8s linear infinite; }
.capflow__track { position: relative; z-index: 1; overflow: hidden; }
.capflow__run { display: flex; align-items: center; gap: var(--s10); width: max-content;
  animation: capflow-roll var(--flow-dur, 34s) linear infinite; will-change: transform; }
.capflow:hover .capflow__run { animation-play-state: paused; }

/* 单个能力项：图标 + 名称 + 副标注 */
.capflow__item { position: relative; display: inline-flex; align-items: center; gap: var(--s3);
  padding: 7px var(--s4); border-radius: var(--r-pill); white-space: nowrap;
  color: var(--t2); border: 1px solid transparent;
  transition: color .4s var(--ease), background .4s var(--ease),
              border-color .4s var(--ease), transform .4s var(--ease-out),
              box-shadow .4s var(--ease); }
.capflow__ico { display: grid; place-items: center; flex: none; width: 26px; height: 26px;
  border-radius: 50%; font-size: 11px; font-style: normal; color: var(--t2);
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease),
              background .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease); }
.capflow__item b { font-size: .9375rem; font-weight: 700; color: var(--t2);
  letter-spacing: -.01em; transition: color .4s var(--ease); }
.capflow__item em { font-family: var(--mono); font-size: 11px; font-style: normal;
  color: var(--t2); opacity: .82; transition: color .4s var(--ease), opacity .4s var(--ease); }
/* 项与项之间的分隔点 */
.capflow__item::after { content: ""; position: absolute; right: calc(var(--s10) / -2); top: 50%;
  width: 4px; height: 4px; margin-top: -2px; border-radius: 50%;
  background: var(--line-2); transition: background .4s var(--ease), box-shadow .4s var(--ease); }

/* 点亮态：明确拉高背景/描边/光晕，与未点亮形成可辨差异 */
.capflow__item.is-lit { color: var(--t1);
  background: color-mix(in srgb, var(--c, var(--mint)) 22%, rgba(12, 14, 24, .86));
  border-color: color-mix(in srgb, var(--c, var(--mint)) 68%, transparent);
  box-shadow: 0 0 26px color-mix(in srgb, var(--c, var(--mint)) 34%, transparent),
              inset 0 0 18px color-mix(in srgb, var(--c, var(--mint)) 12%, transparent); }
.capflow__item.is-lit b { color: #FFFFFF; }
.capflow__item.is-lit em { color: color-mix(in srgb, var(--c, var(--mint)) 78%, #FFFFFF); opacity: 1; }
.capflow__item.is-lit .capflow__ico { color: #0A0A14;
  background: var(--c, var(--mint));
  border-color: color-mix(in srgb, var(--c, var(--mint)) 80%, #FFFFFF);
  box-shadow: 0 0 16px color-mix(in srgb, var(--c, var(--mint)) 62%, transparent);
  transform: scale(1.14); }
.capflow__item.is-lit::after { background: var(--c, var(--mint)); box-shadow: 0 0 9px var(--c, var(--mint)); }

/* 悬停：整条带子冻结（见 574 行 play-state），但呼吸光晕与扫描光带继续跑，
   所以画面不会「死掉」；当前项抬起放大并强制点亮 */
.capflow__item:hover { transform: translateY(-3px) scale(1.05); color: #FFFFFF;
  background: color-mix(in srgb, var(--c, var(--mint)) 30%, rgba(12, 14, 24, .9));
  border-color: color-mix(in srgb, var(--c, var(--mint)) 82%, transparent);
  box-shadow: 0 8px 30px color-mix(in srgb, var(--c, var(--mint)) 40%, transparent); }
.capflow__item:hover b { color: #FFFFFF; }
.capflow__item:hover em { color: #FFFFFF; opacity: 1; }

@keyframes capflow-roll { to { transform: translateX(-50%); } }
@keyframes capflow-breathe { 0%, 100% { opacity: .38; transform: translate(-50%, -50%) scale(.94); }
  50% { opacity: .66; transform: translate(-50%, -50%) scale(1.06); } }
@keyframes capflow-sweep { from { left: -20%; } to { left: 120%; } }

/* 触屏：没有 hover，用 :active 给等效反馈 */
@media (hover: none) {
  .capflow__run { animation-duration: var(--flow-dur, 34s); }
  .capflow__item:active { transform: scale(.97); background: color-mix(in srgb, var(--c, var(--mint)) 18%, transparent); }
}
@media (max-width: 767px) {
  .capflow { padding: var(--s4) 0; }
  .capflow__run { gap: var(--s6); --flow-dur: 26s; }
  .capflow__item { padding: 6px var(--s3); gap: var(--s2); }
  .capflow__item em { display: none; }        /* 小屏只留名称，避免过密 */
  .capflow__item::after { right: calc(var(--s6) / -2); }
}
@media (prefers-reduced-motion: reduce) {
  .capflow__run { animation: none; }
  .capflow__rail { display: none; }
  .capflow__glow { animation: none; opacity: .42; }
  .capflow__item { transition: none; }
}

/* ---------- 9. Media（图片） ---------- */
.media {
  position: relative; border-radius: var(--r-l); overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--line); isolation: isolate;
}
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease-out), filter .5s var(--ease); }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--3x4 { aspect-ratio: 3 / 4; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--21x9 { aspect-ratio: 21 / 9; }
.media:hover img { transform: scale(1.06); }
.media::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 5, 10, .1) 0%, rgba(5, 5, 10, .35) 55%, rgba(5, 5, 10, .88) 100%);
}
.media--clean::after { background: linear-gradient(180deg, rgba(5, 5, 10, 0) 40%, rgba(5, 5, 10, .75) 100%); }
.media__cap {
  position: absolute; z-index: 2; left: var(--s5); right: var(--s5); bottom: var(--s5);
  font-weight: 700; font-size: var(--fs-18); letter-spacing: -.01em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .7);
}
.media__tag {
  position: absolute; z-index: 2; left: var(--s4); top: var(--s4);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--r-pill); font-size: var(--fs-12); font-weight: 700;
  background: rgba(5, 5, 10, .55); border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(8px);
}
.media__time {
  position: absolute; z-index: 2; right: var(--s4); bottom: var(--s4);
  font-family: var(--mono); font-size: var(--fs-12); padding: 4px 10px;
  border-radius: 8px; background: rgba(5, 5, 10, .6); border: 1px solid rgba(255, 255, 255, .12);
}
.play {
  position: absolute; z-index: 3; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 62px; height: 62px; border-radius: 50%;
  background: rgba(5, 5, 10, .5); border: 1px solid rgba(255, 255, 255, .4);
  backdrop-filter: blur(10px); display: grid; place-items: center; color: #fff;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.play::before { content: ""; border-left: 15px solid currentColor; border-top: 9px solid transparent; border-bottom: 9px solid transparent; margin-left: 4px; }
.play::after {
  content: ""; position: absolute; inset: -8px; border-radius: 50%;
  border: 1px solid rgba(43, 232, 192, .55); animation: pulse 2.4s var(--ease) infinite;
}
.play:hover { background: var(--mint); color: var(--deep); transform: translate(-50%, -50%) scale(1.08); }
@keyframes pulse { 0% { transform: scale(.9); opacity: .8; } 70% { transform: scale(1.35); opacity: 0; } 100% { opacity: 0; } }

/* 图片揭示动画 */
.js .reveal-clip { clip-path: inset(0 0 100% 0); transition: clip-path .9s var(--ease-out); }
.js .reveal-clip.is-in { clip-path: inset(0 0 0 0); }

/* ---------- 10. Cards ---------- */
.card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-l); padding: var(--s6); backdrop-filter: blur(14px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--surface-2); box-shadow: var(--sh-2); }
.card--flat:hover { transform: none; }
.card--paper { background: #fff; border-color: rgba(11, 16, 32, .08); color: var(--on-paper); }
.card--paper:hover { background: #fff; border-color: rgba(14, 127, 107, .4); box-shadow: 0 18px 48px rgba(11, 16, 32, .1); }
.card--glow { position: relative; }
.card--glow::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; z-index: -1;
  background: conic-gradient(from var(--ang, 0deg), transparent 0%, rgba(43, 232, 192, .9) 12%, transparent 28%, transparent 70%, rgba(255, 77, 141, .8) 86%, transparent 100%);
  animation: spin-ang 6s linear infinite;
}
@keyframes spin-ang { to { --ang: 360deg; } }
@property --ang { syntax: "<angle>"; initial-value: 0deg; inherits: false; }

.card__icon {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  font-size: 21px; margin-bottom: var(--s4); flex: none;
  background: rgba(255, 255, 255, .06); border: 1px solid var(--line);
}
.card__icon--mint { background: rgba(43, 232, 192, .12); border-color: rgba(43, 232, 192, .3); }
.card__icon--violet { background: rgba(155, 107, 255, .12); border-color: rgba(155, 107, 255, .3); }
.card__icon--pink { background: rgba(255, 77, 141, .12); border-color: rgba(255, 77, 141, .3); }
.card__icon--amber { background: rgba(255, 180, 84, .12); border-color: rgba(255, 180, 84, .3); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; border-radius: var(--r-pill);
  font-size: var(--fs-12); font-weight: 600;
  background: rgba(255, 255, 255, .06); color: var(--t2); border: 1px solid var(--line);
}
.badge--mint { background: rgba(43, 232, 192, .12); color: #7BF5DC; border-color: rgba(43, 232, 192, .35); }
.badge--violet { background: rgba(155, 107, 255, .14); color: #CDB0FF; border-color: rgba(155, 107, 255, .35); }
.badge--pink { background: rgba(255, 77, 141, .14); color: #FFA8C6; border-color: rgba(255, 77, 141, .35); }
.badge--amber { background: rgba(255, 180, 84, .14); color: #FFD79B; border-color: rgba(255, 180, 84, .35); }
.badge--gold { background: rgba(43, 232, 192, .12); color: #7BF5DC; border-color: rgba(43, 232, 192, .35); }
.badge--ok { background: rgba(43, 232, 192, .12); color: #7BF5DC; border-color: rgba(43, 232, 192, .35); }
.badge--warn { background: rgba(255, 180, 84, .14); color: #FFD79B; border-color: rgba(255, 180, 84, .35); }
.badge--err { background: rgba(255, 77, 141, .14); color: #FFA8C6; border-color: rgba(255, 77, 141, .35); }
.section--paper .badge { background: rgba(11, 16, 32, .05); border-color: rgba(11, 16, 32, .12); color: var(--on-paper-2); }

.chip {
  padding: 9px 18px; border-radius: var(--r-pill); font-size: var(--fs-13);
  border: 1px solid var(--line); color: var(--t2); background: rgba(255, 255, 255, .03);
  transition: all var(--dur) var(--ease); font-weight: 600;
}
.chip:hover { border-color: var(--line-2); color: var(--t1); transform: translateY(-2px); }
.chip[aria-pressed="true"], .chip.is-active { background: var(--grad-cool); border-color: transparent; color: var(--deep); box-shadow: 0 6px 20px rgba(43, 232, 192, .3); }

/* ---------- 11. Stats ---------- */
.stat { display: grid; gap: 2px; min-width: 0; }
.stat__n { font-size: clamp(1.6rem, 4.6vw, 2.4rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.1; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat__l { font-size: var(--fs-12); color: var(--t3); }
.section--paper .stat__n { background: linear-gradient(100deg, #0E7F6B, #4D7CFE 60%, #9B6BFF); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* kpi 卡 */
.kpi { padding: var(--s6); border-radius: var(--r-m); background: var(--surface); border: 1px solid var(--line); }
.kpi__n { font-size: clamp(1.5rem, 3.6vw, 2rem); font-weight: 800; letter-spacing: -.03em; color: var(--t1); font-variant-numeric: tabular-nums; }
.kpi__l { font-size: var(--fs-13); color: var(--t3); margin-top: 2px; }

/* ---------- 12. Steps / Timeline ---------- */
.steps { display: grid; gap: var(--s6); grid-template-columns: 1fr; }
@media (min-width: 600px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { position: relative; padding: var(--s6) 0 0; border-top: 1px solid var(--line); }
.step__n { font-family: var(--mono); font-size: var(--fs-12); color: var(--mint); letter-spacing: .14em; display: block; margin-bottom: var(--s2); }
.step__t { font-size: var(--fs-18); font-weight: 700; margin-bottom: var(--s2); }
.step__d { font-size: var(--fs-14); color: var(--t3); }

.timeline { position: relative; padding-left: var(--s8); }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--mint), var(--violet), transparent); border-radius: 2px; opacity: .5; }
.tl-item { position: relative; padding-bottom: var(--s10); }
.tl-item::before {
  content: ""; position: absolute; left: calc(-1 * var(--s8) + 2px); top: 8px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--bg);
  border: 2px solid var(--line-2); transition: all var(--dur) var(--ease);
}
.tl-item.is-done::before { background: var(--grad-cool); border-color: transparent; box-shadow: 0 0 16px rgba(43, 232, 192, .6); }
.tl-item__d { font-family: var(--mono); font-size: var(--fs-12); color: var(--t3); }

/* ---------- 13. Pricing ---------- */
.price { display: grid; gap: var(--s6); grid-template-columns: 1fr; }
@media (min-width: 992px) { .price { grid-template-columns: repeat(3, 1fr); align-items: start; } }
.price-card {
  position: relative; border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: var(--s8); background: var(--surface); backdrop-filter: blur(14px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.price-card:hover { transform: translateY(-6px); border-color: var(--line-2); box-shadow: var(--sh-2); }
.price-card--hot {
  border-color: transparent; background: linear-gradient(180deg, rgba(43, 232, 192, .10), rgba(155, 107, 255, .06) 45%, var(--surface));
  box-shadow: 0 0 0 1px rgba(43, 232, 192, .35), 0 24px 70px rgba(43, 232, 192, .12);
}
.price-card__flag {
  position: absolute; top: -14px; left: var(--s8);
  background: var(--grad-aurora); color: var(--deep);
  font-size: var(--fs-12); font-weight: 800; padding: 5px 16px; border-radius: var(--r-pill);
  box-shadow: var(--glow-blue);
}
.price-card__name { font-size: var(--fs-24); font-weight: 800; letter-spacing: -.02em; }
.price-card__amt { font-size: clamp(2rem, 5vw, 2.75rem); font-weight: 800; letter-spacing: -.04em; margin: var(--s4) 0 var(--s1); background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.price-card__amt small { font-size: var(--fs-14); color: var(--t3); font-weight: 500; -webkit-text-fill-color: var(--t3); }
.price-list { display: grid; gap: var(--s3); margin: var(--s6) 0; }
.price-list li { display: flex; gap: var(--s3); font-size: var(--fs-14); color: var(--t2); align-items: flex-start; }
.price-list li::before { content: ""; width: 16px; height: 16px; flex: none; margin-top: 4px; border-radius: 50%; background: rgba(43, 232, 192, .16); border: 1px solid rgba(43, 232, 192, .5); box-shadow: inset 0 0 0 3px rgba(43, 232, 192, .0); }
.price-list li.is-off { color: var(--t3); }
.price-list li.is-off::before { background: rgba(255, 255, 255, .05); border-color: var(--line); }
.section--paper .price-list li { color: var(--on-paper-2); }

/* ---------- 14. Forms ---------- */
.field { display: grid; gap: var(--s2); margin-bottom: var(--s4); }
.label { font-size: var(--fs-14); font-weight: 700; color: var(--t1); }
.label .req { color: var(--pink); }
.hint { font-size: var(--fs-12); color: var(--t3); }
.input, .select, .textarea {
  width: 100%; padding: 14px 16px; border-radius: var(--r-m);
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line); color: var(--t1);
  font-size: var(--fs-14); transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--t3); }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--mint); background: rgba(43, 232, 192, .05);
  box-shadow: 0 0 0 4px rgba(43, 232, 192, .12);
}
.textarea { min-height: 128px; resize: vertical; line-height: 1.7; }
.select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--t3) 50%), linear-gradient(135deg, var(--t3) 50%, transparent 50%);
  background-position: calc(100% - 21px) 21px, calc(100% - 15px) 21px;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat;
}
.field-row { display: grid; gap: var(--s4); grid-template-columns: 1fr; }
@media (min-width: 600px) { .field-row--2 { grid-template-columns: 1fr 1fr; } }
.check { display: flex; gap: var(--s3); align-items: flex-start; font-size: var(--fs-14); color: var(--t2); cursor: pointer; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: #2BE8C0; flex: none; }
.err-msg { font-size: var(--fs-12); color: #FF8FB0; display: none; }
.field.has-error .input, .field.has-error .select { border-color: var(--pink); }
.field.has-error .err-msg { display: block; }

.radio-cards { display: grid; gap: var(--s3); grid-template-columns: 1fr; }
@media (min-width: 600px) { .radio-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .radio-cards--3 { grid-template-columns: repeat(3, 1fr); } }
.radio-card {
  display: block; border: 1px solid var(--line); border-radius: var(--r-m);
  padding: var(--s4); cursor: pointer; background: rgba(255, 255, 255, .03);
  transition: all var(--dur) var(--ease);
}
.radio-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.radio-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-card:has(input:checked) { border-color: var(--mint); background: rgba(43, 232, 192, .09); box-shadow: 0 0 0 1px var(--mint); }
.radio-card:has(input:focus-visible) { outline: 2px solid var(--mint); outline-offset: 3px; }
.radio-card__t { font-weight: 700; font-size: var(--fs-14); display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.radio-card__d { font-size: var(--fs-12); color: var(--t3); margin-top: 4px; display: block; }

.dropzone {
  border: 1.5px dashed var(--line-2); border-radius: var(--r-m);
  padding: var(--s8) var(--s4); text-align: center; background: rgba(255, 255, 255, .03);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.dropzone.is-over { border-color: var(--mint); background: rgba(43, 232, 192, .07); }
.upload-item { display: flex; align-items: center; gap: var(--s3); padding: var(--s3); border: 1px solid var(--line); border-radius: var(--r-s); background: var(--surface); font-size: var(--fs-13); margin-top: var(--s2); }
.upload-item__bar { flex: 1; height: 4px; background: rgba(255, 255, 255, .1); border-radius: 2px; overflow: hidden; }
.upload-item__bar i { display: block; height: 100%; background: var(--grad-cool); width: 0; transition: width .4s var(--ease); }

/* wizard */
.wizard { display: flex; align-items: center; gap: var(--s2); margin-bottom: var(--s8); flex-wrap: wrap; }
.wizard__step { display: flex; align-items: center; gap: var(--s2); font-size: var(--fs-13); color: var(--t3); }
.wizard__dot { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-2); font-size: var(--fs-12); flex: none; font-variant-numeric: tabular-nums; }
.wizard__step.is-active { color: var(--t1); }
.wizard__step.is-active .wizard__dot { background: var(--grad-cool); border-color: transparent; color: var(--deep); font-weight: 800; box-shadow: 0 0 18px rgba(43, 232, 192, .5); }
.wizard__step.is-done .wizard__dot { background: rgba(43, 232, 192, .16); border-color: var(--mint); color: var(--mint); }
.wizard__line { width: 22px; height: 1px; background: var(--line-2); flex: none; }
@media (min-width: 600px) { .wizard__line { width: 44px; } }
.wizard-pane { display: none; }
.wizard-pane.is-active { display: block; animation: fadeUp .35s var(--ease); }

/* ---------- 15. Progress ---------- */
.progress { height: 6px; background: rgba(255, 255, 255, .08); border-radius: 3px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--grad-aurora); border-radius: 3px; transition: width .6s var(--ease); box-shadow: 0 0 12px rgba(43, 232, 192, .5); }

/* ---------- 16. Accordion ---------- */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: var(--s4);
  padding: var(--s5) 0; text-align: left; font-size: var(--fs-16); font-weight: 700; color: var(--t1);
  transition: color var(--dur) var(--ease);
}
.acc__btn:hover { color: var(--mint); }
.acc__btn i { flex: none; width: 20px; height: 20px; position: relative; }
.acc__btn i::before, .acc__btn i::after { content: ""; position: absolute; background: var(--mint); transition: transform var(--dur) var(--ease); border-radius: 2px; }
.acc__btn i::before { left: 0; right: 0; top: 9px; height: 2px; }
.acc__btn i::after { top: 0; bottom: 0; left: 9px; width: 2px; }
.acc__btn[aria-expanded="true"] i::after { transform: scaleY(0); }
.acc__panel { display: none; padding: 0 0 var(--s5); font-size: var(--fs-14); color: var(--t2); }
.acc__panel.is-open { display: block; animation: fadeUp .3s var(--ease); }

/* ---------- 17. Toast / Modal ---------- */
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 400; display: grid; gap: var(--s2); width: min(370px, calc(100vw - 32px)); }
.toast {
  display: flex; gap: var(--s3); align-items: flex-start;
  background: rgba(16, 16, 28, .92); border: 1px solid var(--line-2);
  border-left: 3px solid var(--mint); padding: var(--s4);
  border-radius: var(--r-m); box-shadow: var(--sh-2); font-size: var(--fs-14);
  backdrop-filter: blur(14px); animation: slideIn .3s var(--ease);
}
.toast--ok { border-left-color: var(--mint); }
.toast--err { border-left-color: var(--pink); }
.toast.is-out { animation: fadeOut .26s var(--ease) forwards; }

.modal { position: fixed; inset: 0; z-index: 500; display: none; align-items: center; justify-content: center; padding: var(--s4); background: rgba(3, 3, 8, .8); backdrop-filter: blur(8px); }
.modal.is-open { display: flex; }
.modal__box { width: min(760px, 100%); background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--r-l); padding: var(--s6); max-height: 88vh; overflow: auto; animation: fadeUp .35s var(--ease); }
.modal__head { display: flex; justify-content: space-between; align-items: center; gap: var(--s4); margin-bottom: var(--s4); }
.modal__close { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: var(--t2); border: 1px solid var(--line); }
.modal__close:hover { color: var(--t1); border-color: var(--line-2); }

/* ---------- 18. Notice ---------- */
.notice {
  display: flex; gap: var(--s3); padding: var(--s4); border-radius: var(--r-m);
  background: rgba(43, 232, 192, .07); border: 1px solid rgba(43, 232, 192, .25);
  font-size: var(--fs-14); color: var(--t2);
}
.notice--warn { background: rgba(255, 180, 84, .07); border-color: rgba(255, 180, 84, .28); }
.notice--paper { background: rgba(11, 16, 32, .04); border-color: rgba(11, 16, 32, .12); color: var(--on-paper-2); }

/* ---------- 19. Table ---------- */
.tbl { font-size: var(--fs-14); }
.tbl th, .tbl td { padding: var(--s4); border-bottom: 1px solid var(--line); text-align: left; }
.tbl th { color: var(--t3); font-weight: 700; font-size: var(--fs-12); letter-spacing: .08em; text-transform: uppercase; }
.tbl td { color: var(--t2); }
.tbl tbody tr { transition: background var(--dur) var(--ease); }
.tbl tbody tr:hover { background: rgba(255, 255, 255, .03); }
.section--paper .tbl th, .section--paper .tbl td { border-color: rgba(11, 16, 32, .1); }
.section--paper .tbl td { color: var(--on-paper-2); }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--surface); }
.section--paper .tbl-wrap { border-color: rgba(11, 16, 32, .1); background: #fff; }

/* ---------- 20. Footer ---------- */
.footer { border-top: 1px solid var(--line); background: linear-gradient(180deg, transparent, rgba(43, 232, 192, .04)); padding: var(--s16) 0 var(--s8); margin-top: var(--s8); }
.footer__grid { display: grid; gap: var(--s8); grid-template-columns: 1fr; }
@media (min-width: 600px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .footer__grid { grid-template-columns: 2.2fr 1fr 1fr 1fr; } }
.footer h4 { font-size: var(--fs-14); margin-bottom: var(--s4); color: var(--t1); }
.footer a { font-size: var(--fs-14); color: var(--t3); display: block; padding: 5px 0; transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.footer a:hover { color: var(--mint); transform: translateX(3px); }
.footer__bottom { margin-top: var(--s10); padding-top: var(--s6); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: var(--s3); justify-content: space-between; font-size: var(--fs-12); color: var(--t3); }

/* ---------- 21. Utilities ---------- */
.mt-0 { margin-top: 0; } .mt-2 { margin-top: var(--s2); } .mt-3 { margin-top: var(--s3); }
.mt-4 { margin-top: var(--s4); } .mt-6 { margin-top: var(--s6); } .mt-8 { margin-top: var(--s8); }
.mt-10 { margin-top: var(--s10); } .mt-12 { margin-top: var(--s12); } .mt-16 { margin-top: var(--s16); }
.mb-4 { margin-bottom: var(--s4); } .mb-6 { margin-bottom: var(--s6); } .mb-8 { margin-bottom: var(--s8); }
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: block; } }
.hide-desktop { display: block; }
@media (min-width: 992px) { .hide-desktop { display: none; } }
.dash-grid { display: grid; gap: var(--s8); grid-template-columns: 1fr; }
@media (min-width: 992px) { .dash-grid { grid-template-columns: minmax(0, 2fr) minmax(290px, 1fr); align-items: start; } .text-right { text-align: right; } }

/* ---------- 22. 样片视频播放 ---------- */
.media__vid {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity .45s var(--ease);
}
.media.is-playing .media__vid { opacity: 1; }
.media.is-playing img { opacity: 0; transition: opacity .45s var(--ease); }
.media .media__cap { pointer-events: none; }

.media__flag {
  position: absolute; z-index: 2; left: var(--s4); top: var(--s4);
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: var(--r-pill);
  font-family: var(--mono); font-size: var(--fs-12); font-weight: 700; letter-spacing: .02em;
  color: var(--t1);
  background: rgba(5, 5, 10, .62); border: 1px solid rgba(43, 232, 192, .42);
  backdrop-filter: blur(8px);
}
.media__flag::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; flex: none;
  background: var(--mint); box-shadow: 0 0 0 4px rgba(43, 232, 192, .18);
  animation: vdot 1.6s var(--ease) infinite;
}
@keyframes vdot { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* 播放器弹窗 */
.vp {
  position: relative; border-radius: var(--r-l); overflow: hidden;
  background: #000; border: 1px solid var(--line); aspect-ratio: 16 / 9;
}
.vp__v { width: 100%; height: 100%; display: block; object-fit: contain; background: #000; }
.vp__gate {
  position: absolute; inset: 0; z-index: 2; display: grid; place-items: center;
  padding: var(--s6); text-align: center;
  background: linear-gradient(180deg, rgba(5, 5, 10, .88), rgba(5, 5, 10, .95));
  backdrop-filter: blur(6px);
}
.vp__gate[hidden] { display: none; }

.vp-note-strip {
  border: 1px dashed var(--line-2); border-radius: var(--r-m);
  padding: var(--s4) var(--s5);
  background: rgba(43, 232, 192, .04);
}

/* 入场动画只在 JS 生效时启用：脚本异常时内容依然完整可见 */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }

/* 逐行文字入场 */
.line-mask { display: block; overflow: hidden; }
.js .line-mask > span { display: block; transform: translateY(105%); transition: transform .85s var(--ease-out); }
.js .line-mask.is-in > span { transform: none; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(26px); } to { opacity: 1; transform: none; } }
@keyframes fadeOut { to { opacity: 0; transform: translateY(10px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.spinner { width: 18px; height: 18px; border: 2px solid var(--line-2); border-top-color: var(--mint); border-radius: 50%; animation: spin .7s linear infinite; }

.floaty { animation: floaty 6s var(--ease) infinite; }

/* 3D 倾斜容器 */
.tilt { transform-style: preserve-3d; transition: transform .3s var(--ease-out); will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .js .reveal, .js .line-mask > span { opacity: 1; transform: none; }
  .js .reveal-clip { clip-path: none; }
  .orb, .floaty { animation: none; }
  .media__flag::before { animation: none; }
  .cursor-glow { display: none; }
    .pipe__live::before, .pipe__mat, .pipe__meter i { animation: none; }
  .pipe__mat { opacity: .85; }
  .pipe__meter i { width: 100%; }
}


/* ==========================================================================
   胶片线（Film Line）· cases.html 首屏右侧
   5 组「年份 + 影像」成对，共用同一套 grid 行轨道 —— 年份与卡片天然对齐。
   逐档点亮，最后收束到「今天」的成片，表达从老照片到一部电影的时间旅程。
   ========================================================================== */
.filmline {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  align-items: center;              /* 每档内年份与卡片垂直居中 */
  column-gap: var(--s4);
  row-gap: var(--s3);
  width: 100%;
  max-width: 486px;
  margin-inline: auto;
  padding: var(--s4) 0;
}

/* —— 左列：年份刻度 —— */
.filmline__year {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  font-family: var(--mono);
  font-size: var(--fs-12);
  line-height: 1;
  color: var(--t3);
  transition: color .35s var(--ease);
}
/* 轴点 */
.filmline__year::after {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-2);
  transition: background .35s var(--ease), box-shadow .35s var(--ease);
}
/* 贯穿的连接线：接在轴点右侧，通到卡片 */
.filmline__year::before {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: var(--s4);
  height: 1px;
  background: var(--line-2);
  transition: background .35s var(--ease);
}
.filmline__year.is-now { color: var(--mint); font-weight: 700; }
.filmline__year.is-now::after { background: var(--mint); box-shadow: 0 0 9px var(--mint); }
.filmline__year.is-now::before { background: rgba(43, 232, 192, .6); }

/* —— 右列：影像卡片 —— */
.filmline__node {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: var(--s3);
  padding: 6px 10px 6px 6px;
  border-radius: var(--r-m);
  background: rgba(255, 255, 255, .028);
  border: 1px solid transparent;
  opacity: .4;
  transition: opacity .45s var(--ease), background .45s var(--ease),
              border-color .45s var(--ease);
}
.filmline__node.is-on {
  opacity: 1;
  background: rgba(43, 232, 192, .07);
  border-color: rgba(43, 232, 192, .34);
}
.filmline__thumb {
  margin: 0;
  aspect-ratio: 1;
  border-radius: var(--r-s);
  overflow: hidden;
  background: var(--bg-3);
  filter: saturate(.38) sepia(.36) brightness(.84);
  transition: filter .7s var(--ease);
}
.filmline__node.is-on .filmline__thumb { filter: saturate(1.06) brightness(1.04); }
.filmline__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.filmline__txt { min-width: 0; }
.filmline__t {
  display: block;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--t2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .45s var(--ease);
}
.filmline__node.is-on .filmline__t { color: var(--t1); }

/* 「今天」这一档 = 最终成片，用紫色区分 */
.filmline__node--out { background: rgba(155, 107, 255, .08); }
.filmline__node--out.is-on {
  background: rgba(155, 107, 255, .13);
  border-color: rgba(155, 107, 255, .42);
}
.filmline__pill {
  position: absolute;
  right: 9px;
  top: 50%;
  transform: translateY(-50%);
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--violet);
  background: rgba(155, 107, 255, .16);
  border: 1px solid rgba(155, 107, 255, .38);
}

/* 悬停：指针进入时暂停自动播放，卡片提亮可点 */
.filmline__node { cursor: default; }
.filmline:hover .filmline__node.is-on { background: rgba(43, 232, 192, .10); }
.filmline:hover .filmline__node--out.is-on { background: rgba(155, 107, 255, .17); }

@media (max-width: 991px) {
  .filmline { grid-template-columns: 52px minmax(0, 1fr); column-gap: var(--s3); max-width: 100%; }
  .filmline__node { grid-template-columns: 48px minmax(0, 1fr); }
  .filmline__year { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .filmline__node { opacity: .8; }
}


/* ==========================================================================
   胶片剪辑台（Film Editing Desk）· index.html 首屏右侧
   横向胶片带在视觉中心穿过；中央是「修复前 → 修复后」比照监看屏，
   下方是剪辑时间轴与播放头。鼠标进入时整台机器"活"起来。
   ========================================================================== */
/* ==========================================================================
   方案 B · 胶片剪辑台（Film Editing Desk）
   横向胶片带在视觉中心穿过，上下两层"未调色/已调色"对比 + 剪辑时间轴 + 播放头
   ========================================================================== */
.desk {
  position: relative;
  width: 100%;
  min-height: 552px;
  display: grid;
  align-items: stretch;              /* 让 inner 撑满高度，胶囊才能贴到舞台上下边缘 */
  justify-items: center;
  padding-inline: var(--s4);
  isolation: isolate;
}
.desk__inner {
  /* 高度撑满舞台，让两个胶囊能贴到舞台的上下边缘而不是紧贴屏幕 */
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 100%;
  align-self: stretch;
}
/* 贯穿画面的胶片带 */
.desk__strip {
  position: absolute;
  left: -18%;
  right: -18%;
  top: 46%;
  height: 152px;
  margin-top: -76px;
  transform: rotate(-6deg);
  overflow: hidden;
  background: rgba(5, 5, 10, .58);
  border-block: 1px solid rgba(255, 255, 255, .09);
  mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
}
.desk__track {
  display: flex;
  gap: 7px;
  width: max-content;
  padding: 30px 0;
  animation: desk-roll 34s linear infinite;
}
@keyframes desk-roll { to { transform: translateX(-50%); } }
/* 幻灯齿孔 */
.desk__strip::before,
.desk__strip::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 15px;
  z-index: 2;
  background-image: radial-gradient(circle, rgba(255, 255, 255, .26) 3.4px, transparent 4px);
  background-size: 26px 26px;
  background-position: center;
}
.desk__strip::before { top: 6px; }
.desk__strip::after { bottom: 6px; }
.desk__cell {
  position: relative;
  flex: none;
  width: 104px;
  height: 84px;
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  opacity: .5;
  filter: saturate(.28) contrast(1.05) brightness(.82);
}
.desk__cell img { width: 100%; height: 100%; object-fit: cover; }
/* 「调色」扫过的一刻：饱和度被拉回 */
.desk__cell::after {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
  animation: desk-grade 9s var(--ease) infinite;
}
@keyframes desk-grade {
  0%, 38%   { box-shadow: inset 0 0 0 0 rgba(43, 232, 192, 0); }
  46%, 54%  { box-shadow: inset 0 0 34px rgba(43, 232, 192, .42); }
  62%, 100% { box-shadow: inset 0 0 0 0 rgba(43, 232, 192, 0); }
}
/* 中央监看屏：左右各留出约 100px 给浮动胶囊，避免任何重叠 */
.desk__monitor {
  position: relative;
  z-index: 3;
  width: min(348px, 76%);
  padding: var(--s4);
  border-radius: var(--r-l);
  background: rgba(10, 10, 20, .84);
  border: 1px solid rgba(255, 255, 255, .15);
  backdrop-filter: blur(18px);
  box-shadow: 0 34px 84px rgba(0, 0, 0, .64);
}
.desk__mhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  margin-bottom: var(--s3);
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--t3);
}
.desk__mhead b { color: var(--t1); font-weight: 700; }
.desk__split {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--bg-3);
}
.desk__split figure {
  position: absolute;
  inset: 0;
  margin: 0;
}
.desk__split img { width: 100%; height: 100%; object-fit: cover; }
/* 左侧：修复前（低饱和、偏冷、加噪点感） */
.desk__before { filter: sepia(.42) saturate(.34) contrast(1.06) brightness(.86); }
/* 右侧：修复后，用 clip-path 露出右半边（左边界由 --wipe 控制，可跟随鼠标） */
.desk__after { filter: saturate(1.12) contrast(1.04) brightness(1.04); }
/* 竖向比照线 */
.desk__wipe {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(43, 232, 192, .95), transparent);
  box-shadow: 0 0 16px rgba(43, 232, 192, .7);
}
.desk__wipe::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  border-radius: 50%;
  background: rgba(5, 5, 10, .86);
  border: 1px solid rgba(43, 232, 192, .8);
  box-shadow: 0 0 14px rgba(43, 232, 192, .55);
}
.desk__tagline {
  position: absolute;
  z-index: 5;
  bottom: 8px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--t2);
  background: rgba(5, 5, 10, .72);
  border: 1px solid var(--line);
}
.desk__tagline--l { left: 8px; }
.desk__tagline--r { right: 8px; color: var(--mint); border-color: rgba(43, 232, 192, .38); }
/* 时间轴 + 播放头 */
.desk__timeline {
  position: relative;
  height: 40px;
  margin-top: var(--s4);
  border-radius: var(--r-s);
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--line);
  overflow: hidden;
}
/* 波峰条 */
.desk__wave {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 6px;
}
.desk__wave i {
  flex: 1;
  border-radius: 1px;
  background: rgba(255, 255, 255, .16);
}
.desk__wave i.is-past {
  background: linear-gradient(180deg, var(--mint), var(--blue));
}
/* 播放头 */
.desk__head {
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--pink);
  box-shadow: 0 0 12px rgba(255, 77, 141, .8);
  animation: desk-head 9s var(--ease) infinite;
}
.desk__head::before {
  content: "";
  position: absolute;
  left: -5px;
  top: -1px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid var(--pink);
}
@keyframes desk-head {
  0%   { left: 4%; }
  100% { left: 96%; }
}
.desk__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  margin-top: var(--s3);
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--t3);
}
.desk__foot b { color: var(--t1); font-weight: 700; }
/* 浮动参数胶囊：贴在监看屏外侧的空白区，不与屏幕内容重叠 */
.desk__chip {
  position: absolute;
  z-index: 6;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 10px 14px;
  border-radius: var(--r-m);
  background: rgba(10, 10, 20, .82);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(14px);
  box-shadow: var(--sh-1);
  animation: desk-float 7.2s var(--ease) infinite;
}
.desk__chip k {
  font-size: var(--fs-12);
  color: var(--t3);
  white-space: nowrap;
}
.desk__chip v {
  font-family: var(--mono);
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.2;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* 两个胶囊放在监看屏的**垂直外侧空档**里，横向与屏幕边缘对齐，
   因此无论屏幕多宽都不会压到内容。
   top / bottom 收进 30px，让"屏上方空档 ≈ 屏下方空档"，视觉重心归中。 */
@media (max-width: 991px) {
  .desk { min-height: 340px; padding-inline: var(--s2); margin-top: var(--s8); }
}

.desk__inner {
  align-content: center;
  row-gap: 0;
  padding-block: 0;
}

/* 左胶囊：屏幕上方空档，贴左边缘 */
.desk__chip--1 { left: 0; top: 30px; }
/* 右胶囊：屏幕下方空档，贴右边缘 */
.desk__chip--2 { right: 0; bottom: 30px; }
@media (max-width: 991px) {
  .desk__strip { left: -40%; right: -40%; height: 108px; margin-top: -54px; }
  .desk__cell { width: 74px; height: 58px; }
  .desk__track { padding: 24px 0; }
  /* 窄屏时上下空档变窄，胶囊缩一档避免顶到屏幕 */
  .desk__chip { padding: 8px 11px; }
  .desk__chip v { font-size: var(--fs-16); }
  .desk__chip--1 { top: 18px; }
  .desk__chip--2 { bottom: 18px; }
}

/* 手机端：监看屏几乎占满宽度，胶囊无法放在左右/上下外侧，
   改为把 desk 变成单列 grid —— 屏幕一行，两个胶囊一行并排 */
@media (max-width: 575px) {
  .desk__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-content: start;
    align-items: stretch;
    gap: var(--s3);
    min-height: 0;
    padding-block: 0;          /* 上下各留 0，避免舞台底部出现大片空白 */
  }
  .desk__monitor { grid-column: 1 / -1; grid-row: 1; width: 100%; }
  /* 两个胶囊成为 grid 项，各占一列；横排避免数字换行 */
  .desk__chip {
    position: static;
    flex-direction: row;
    align-items: baseline;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 6px;
    width: auto;
    animation: none;
    padding: 8px 10px;
  }
  .desk__chip--1 { grid-column: 1; grid-row: 2; }
  .desk__chip--2 { grid-column: 2; grid-row: 2; }
  .desk__chip k { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
  .desk__chip v { font-size: var(--fs-16); white-space: nowrap; flex: none; }
  .desk__strip { left: -60%; right: -60%; }
  /* 悬停特效在触屏上不适用，禁用位移避免抖动 */
  .desk:hover .desk__chip--1,
  .desk:hover .desk__chip--2 { transform: none; }
}


/* ------------------------------------------------------------------
   方案 B · 悬停特效（鼠标进入 .desk 舞台时触发）
   —— 监看屏浮起发光 + 胶片带加速 + 斜向扫光 + 比照线跟随鼠标 + 标签提亮
   全部只动 transform / opacity / filter（GPU 友好），时长 0.4~0.6s
   ------------------------------------------------------------------ */

/* 舞台整体：轻微抬起，营造"进入剪辑台"的感觉 */
.desk .desk__inner {
  transition: transform .5s var(--ease);
  transform: translateZ(0);
}
.desk:hover .desk__inner { transform: translateY(-6px); }

/* 监看屏：浮起 + 加强投影 + 边框泛光 */
.desk__monitor {
  transition: transform .5s var(--ease), box-shadow .5s var(--ease),
              border-color .5s var(--ease);
}
.desk:hover .desk__monitor {
  transform: translateY(-4px) scale(1.015);
  border-color: rgba(43, 232, 192, .34);
  box-shadow:
    0 44px 96px rgba(0, 0, 0, .72),
    0 0 0 1px rgba(43, 232, 192, .16),
    0 0 56px rgba(43, 232, 192, .18);
}

/* 斜向扫光：一条窄亮带从左上掠到右下（用超宽渐变层平移实现） */
.desk__monitor::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  border-radius: inherit;
  overflow: hidden;
  opacity: 0;
  background: linear-gradient(
    105deg,
    transparent 38%,
    rgba(255, 255, 255, .10) 47%,
    rgba(43, 232, 192, .16) 50%,
    rgba(255, 255, 255, .10) 53%,
    transparent 62%
  );
  background-size: 260% 100%;
  background-position: 130% 0;
  transition: opacity .35s var(--ease);
}
.desk:hover .desk__monitor::after {
  opacity: 1;
  animation: desk-sweep 1.5s var(--ease) infinite;
}
@keyframes desk-sweep {
  0%   { background-position: 130% 0; }
  100% { background-position: -30% 0; }
}

/* 胶片带：悬停时滚动加速（时长变短 = 变快），并提亮 */
.desk__strip {
  transition: opacity .5s var(--ease), filter .5s var(--ease);
}
.desk__track { transition: filter .5s var(--ease); }
.desk:hover .desk__strip { filter: brightness(1.12); }
.desk:hover .desk__cell { opacity: .62; filter: saturate(.42) contrast(1.05) brightness(.9); }
.desk__cell { transition: opacity .5s var(--ease), filter .5s var(--ease); }
.desk:hover .desk__track { animation-duration: 12s; }

/* 比照线：悬停时交给鼠标控制（JS 写 --wipe），并换成更醒目的配色 */
.desk__after { transition: clip-path .25s var(--ease); }
.desk__split { --wipe: 50%; }
.desk__after { clip-path: inset(0 0 0 var(--wipe, 50%)); }
.desk__wipe { transition: left .25s var(--ease); left: var(--wipe, 50%); }
.desk:hover .desk__wipe {
  background: linear-gradient(180deg, transparent, rgba(255, 77, 141, .95), transparent);
  box-shadow: 0 0 20px rgba(255, 77, 141, .75);
}
.desk:hover .desk__wipe::after {
  border-color: rgba(255, 77, 141, .85);
  box-shadow: 0 0 18px rgba(255, 77, 141, .6);
  transform: scale(1.12);
}
.desk__wipe::after { transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease); }

/* 两个参数胶囊：悬停时上浮一点并提亮，带错峰延迟 */
.desk__chip { transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease); }
.desk:hover .desk__chip--1 {
  transform: translate(-4px, -4px);
  border-color: rgba(43, 232, 192, .38);
  box-shadow: 0 12px 32px rgba(43, 232, 192, .16);
}
.desk:hover .desk__chip--2 {
  transform: translate(4px, 4px);
  border-color: rgba(155, 107, 255, .40);
  box-shadow: 0 12px 32px rgba(155, 107, 255, .18);
}

/* 标签行（1998·原片 / AI 4K 修复）悬停时轻微放大 */
.desk__tagline { transition: transform .4s var(--ease), background .4s var(--ease); }
.desk:hover .desk__tagline { transform: translateY(-2px); background: rgba(5, 5, 10, .86); }

/* 播放头：悬停时更亮更快 */
.desk__head { transition: box-shadow .4s var(--ease); }
.desk:hover .desk__head { box-shadow: 0 0 20px rgba(255, 77, 141, 1); }

/* 悬停时的时间轴：底色提亮，暗示"可交互" */
.desk__timeline { transition: background .45s var(--ease), border-color .45s var(--ease); }
.desk:hover .desk__timeline {
  background: rgba(255, 255, 255, .07);
  border-color: rgba(43, 232, 192, .26);
}

/* 触屏设备没有 hover，用 :active 给一个等效反馈 */
@media (hover: none) {
  .desk:active .desk__monitor { transform: scale(1.01); }
}

/* 降级：prefers-reduced-motion 下不做悬停位移与扫光 */
@media (prefers-reduced-motion: reduce) {
  .desk:hover .desk__inner,
  .desk:hover .desk__monitor,
  .desk:hover .desk__chip--1,
  .desk:hover .desk__chip--2,
  .desk:hover .desk__tagline { transform: none; }
  .desk:hover .desk__monitor::after { display: none; }
  .desk:hover .desk__track { animation-duration: 34s; }
  .desk__after,
  .desk__wipe { transition: none; }
}