/* ============================================================
   蓝色大肥鱼 · 清理藤壶 — 深海主题静态宣传站
   零外部依赖，file:// 双击可开
   ============================================================ */

:root {
  --deep-1: #050d1a;
  --deep-2: #0a1b30;
  --deep-3: #0f2a47;
  --blue: #4d6bfe;
  --blue-soft: #7d95ff;
  --foam: #e8f1ff;
  --muted: #8ba3c7;
  --danger: #ff5d7a;
  --gold: #ffc857;
  --card: rgba(255, 255, 255, .04);
  --line: rgba(141, 163, 199, .18);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--deep-1);
  color: var(--foam);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
a { color: var(--blue-soft); }
::selection { background: rgba(77, 107, 254, .45); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

section[id], header[id] { scroll-margin-top: 84px; }

.section { padding: 104px 0; }

.section-head { position: relative; margin-bottom: 48px; max-width: 860px; }
.section-head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: .04em;
  line-height: 1.55;
  margin-bottom: 14px;
}
.lead { color: var(--muted); font-size: 17px; }

.hl { color: var(--gold); font-weight: 700; font-style: normal; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  transition: border-color .3s, transform .3s;
}
.card:hover { border-color: rgba(125, 149, 255, .45); transform: translateY(-3px); }

/* ---------- 渐入动效（仅 body.js 下隐藏，无 JS 回退可见） ---------- */
body.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
}
body.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s;
}
.nav.scrolled {
  background: rgba(5, 13, 26, .72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { color: var(--foam); text-decoration: none; font-weight: 700; font-size: 16.5px; letter-spacing: .03em; white-space: nowrap; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  letter-spacing: .02em;
  position: relative;
  padding: 4px 0;
  transition: color .25s;
  white-space: nowrap;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--blue-soft);
  transition: right .25s;
}
.nav-links a:hover { color: var(--foam); }
.nav-links a.active { color: var(--foam); }
.nav-links a.active::after { right: 0; }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 600px at 50% -12%, rgba(77, 107, 254, .28), rgba(77, 107, 254, 0) 62%),
    radial-gradient(900px 520px at 88% 112%, rgba(15, 42, 71, .85), rgba(15, 42, 71, 0) 60%),
    linear-gradient(180deg, var(--deep-2), var(--deep-1));
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(5, 13, 26, 0), var(--deep-1));
  z-index: 1;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
  padding: 170px 24px 96px;
}
.eyebrow { color: var(--blue-soft); font-size: 13px; letter-spacing: .28em; margin-bottom: 26px; }
.hero h1 {
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.45;
  letter-spacing: .03em;
  font-weight: 800;
  text-wrap: balance;
}
.hero-sub {
  color: var(--muted);
  font-size: clamp(15px, 1.8vw, 17.5px);
  line-height: 2;
  max-width: 720px;
  margin: 26px auto 0;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }

.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 16px;
  letter-spacing: .04em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .25s, box-shadow .25s, border-color .25s, color .25s;
}
.btn-solid {
  background: linear-gradient(135deg, var(--blue), var(--blue-soft));
  color: #fff;
  box-shadow: 0 8px 28px rgba(77, 107, 254, .35);
}
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(77, 107, 254, .5); }
.btn-ghost { border-color: var(--line); color: var(--foam); background: rgba(255, 255, 255, .03); }
.btn-ghost:hover { border-color: var(--blue-soft); color: var(--blue-soft); }

/* 上浮气泡 */
.bubbles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.bubbles span {
  position: absolute;
  bottom: -70px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, rgba(232, 241, 255, .4), rgba(125, 149, 255, .06) 70%);
  animation: rise linear infinite;
}
.bubbles span:nth-child(1) { left: 6%;  width: 14px; height: 14px; animation-duration: 14s; animation-delay: 0s; }
.bubbles span:nth-child(2) { left: 18%; width: 8px;  height: 8px;  animation-duration: 18s; animation-delay: 3s; }
.bubbles span:nth-child(3) { left: 30%; width: 22px; height: 22px; animation-duration: 12s; animation-delay: 1.5s; }
.bubbles span:nth-child(4) { left: 47%; width: 10px; height: 10px; animation-duration: 20s; animation-delay: 6s; }
.bubbles span:nth-child(5) { left: 62%; width: 16px; height: 16px; animation-duration: 16s; animation-delay: 2.5s; }
.bubbles span:nth-child(6) { left: 75%; width: 9px;  height: 9px;  animation-duration: 22s; animation-delay: 8s; }
.bubbles span:nth-child(7) { left: 88%; width: 18px; height: 18px; animation-duration: 13s; animation-delay: 4.5s; }
.bubbles span:nth-child(8) { left: 94%; width: 12px; height: 12px; animation-duration: 17s; animation-delay: 9.5s; }
@keyframes rise {
  0%   { transform: translateY(0); opacity: 0; }
  12%  { opacity: .75; }
  85%  { opacity: .25; }
  100% { transform: translateY(-108vh); opacity: 0; }
}

/* 引语跑马灯 */
.marquee {
  display: block;
  overflow: hidden;
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  background: rgba(5, 13, 26, .4);
  text-decoration: none;
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 36s linear infinite;
  will-change: transform;
}
.marquee-seq {
  display: inline-block;
  padding: 13px 1.6em 13px 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: .06em;
  transition: color .25s;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee:hover .marquee-seq { color: var(--blue-soft); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 起源引子（两段对话卡） ---------- */
.origin-intro { margin-top: 40px; }
.origin-intro-note { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.dialog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.dialog h3 { font-size: 18px; letter-spacing: .02em; margin: 10px 0 8px; }
.dialog p { color: var(--muted); font-size: 14.5px; }

/* ---------- 起源步进时间线 ---------- */
.origin { list-style: none; max-width: 880px; margin-top: 56px; position: relative; }
.origin::before {
  content: "";
  position: absolute;
  left: 27px; top: 20px; bottom: 40px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), rgba(77, 107, 254, .05));
}
.step { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding-bottom: 36px; }
.step-num {
  position: relative;
  z-index: 1;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--deep-2);
  border: 1px solid rgba(125, 149, 255, .45);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .05em;
  color: var(--blue-soft);
}
.step-tag {
  display: inline-block;
  font-size: 12.5px;
  color: var(--blue-soft);
  border: 1px solid rgba(125, 149, 255, .4);
  border-radius: 999px;
  padding: 0 12px;
  margin-bottom: 8px;
}
.step h3 { font-size: 19px; letter-spacing: .02em; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; max-width: 660px; }

/* ---------- 特性卡网格 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin-top: 56px;
}
.feature { padding: 26px 22px; }
.feature-icon { font-size: 26px; margin-bottom: 12px; }
.feature h3 { font-size: 17.5px; letter-spacing: .02em; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: 14.5px; }

/* ---------- 对比条 ---------- */
.compare-title {
  text-align: center;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: .02em;
  margin: 72px 0 26px;
}
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-card { padding: 26px; }
.compare-card h3 { font-size: 19px; letter-spacing: .05em; margin-bottom: 14px; }
.compare-card ul { list-style: none; }
.compare-card li {
  position: relative;
  padding: 7px 0 7px 22px;
  font-size: 15px;
  border-bottom: 1px dashed rgba(141, 163, 199, .12);
}
.compare-card li:last-child { border-bottom: 0; }
.side-open { border-top: 3px solid var(--blue); }
.side-open li::before { content: "◆"; position: absolute; left: 0; top: 11px; font-size: 11px; color: var(--blue-soft); }
.side-locked { border-top: 3px solid var(--danger); }
.side-locked li::before { content: "✕"; position: absolute; left: 0; top: 8px; font-size: 12px; color: var(--danger); }

/* ---------- 引用块 ---------- */
.quote {
  border-left: 3px solid var(--blue);
  background: var(--card);
  border-radius: 0 14px 14px 0;
  padding: 22px 28px;
  margin-top: 64px;
  max-width: 880px;
}
.quote p { font-size: 17px; line-height: 2; }
.quote footer { margin-top: 10px; color: var(--muted); font-size: 14px; }

/* ---------- 证据时间线 ---------- */
#timeline {
  background: linear-gradient(180deg, rgba(10, 27, 48, 0), rgba(10, 27, 48, .55) 18%, rgba(10, 27, 48, .55) 82%, rgba(10, 27, 48, 0));
}
.timeline { list-style: none; position: relative; max-width: 940px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 10px; bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), rgba(77, 107, 254, .06));
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 172px 1fr;
  gap: 10px 30px;
  padding: 0 0 44px 40px;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: 1px; top: 10px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--deep-1);
  border: 3px solid var(--blue);
  box-shadow: 0 0 12px rgba(77, 107, 254, .7);
}
.tl-date {
  display: block;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.tl-src { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.badges { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-top: 10px; }
.badge {
  display: inline-block;
  font-size: 12px;
  line-height: 1.7;
  padding: 1px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  white-space: nowrap;
}
.badge-a { color: var(--gold); border-color: rgba(255, 200, 87, .5); background: rgba(255, 200, 87, .08); }
.badge-b { color: var(--blue-soft); border-color: rgba(125, 149, 255, .5); background: rgba(125, 149, 255, .08); }
.badge-d { color: var(--muted); background: rgba(139, 163, 199, .08); }
.badge-note { font-size: 12px; color: var(--muted); }

.tl-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
}
.tl-card p { font-size: 15.5px; }

.ev-figs { display: flex; gap: 14px; margin-top: 16px; flex-wrap: wrap; }
.ev-thumb {
  display: block;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  cursor: zoom-in;
  transition: border-color .25s, transform .25s;
}
.ev-thumb:hover { border-color: var(--blue-soft); transform: translateY(-2px); }
.ev-thumb img { display: block; }
/* 竖图/横图单张：等比缩放（等效 contain），上限 400px */
.ev-thumb.single img { max-height: 400px; max-width: 100%; width: auto; height: auto; }
/* 横图成对：等宽裁切展示 */
.ev-thumb.wide { flex: 1 1 260px; }
.ev-thumb.wide.fig-main { flex-grow: 1.6; }
.ev-thumb.wide img { width: 100%; height: 230px; object-fit: cover; object-position: center top; }

/* ---------- 如果没人吭声 ---------- */
.fall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}
.fall-step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 16px 16px;
  overflow: hidden;
  transition: border-color .3s;
}
.fall-step:hover { border-color: rgba(255, 93, 122, .5); }
.fall-step::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--danger), rgba(255, 93, 122, 0));
}
.fall-step p { font-size: 14.5px; line-height: 1.9; }
.fall-step p::first-letter { color: var(--danger); font-weight: 800; font-size: 1.45em; }

.warn {
  position: relative;
  margin-top: 40px;
  border-color: rgba(255, 93, 122, .5);
  background: rgba(255, 93, 122, .06);
}
.warn h3 { color: var(--danger); letter-spacing: .03em; margin-bottom: 10px; font-size: 19px; }
.warn p { color: var(--foam); font-size: 15.5px; }

.wall { margin-top: 72px; }
.wall-title { font-size: 22px; letter-spacing: .04em; margin-bottom: 8px; }
.wall-sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.todo-title { font-size: 22px; letter-spacing: .04em; margin: 56px 0 22px; }
.wall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.wall-item { display: flex; flex-direction: column; gap: 10px; }
.wall-item .ev-thumb { flex: 1; }
.wall-item .ev-thumb img { width: 100%; height: 360px; object-fit: cover; object-position: top; }
.wall-item figcaption { color: var(--muted); font-size: 13.5px; text-align: center; }
.wall-more { margin-top: 18px; color: var(--muted); font-size: 14px; }

.big-foam {
  margin: 72px auto 0;
  max-width: 860px;
  text-align: center;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  line-height: 2;
}

/* ---------- 我们能做什么 ---------- */
.act-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.act-card h3 { font-size: 18px; letter-spacing: .03em; margin-bottom: 12px; }
.act-card p { color: var(--muted); font-size: 14.5px; }

.todo-list { list-style: none; margin-top: 48px; }
.todo {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 12px;
  cursor: pointer;
  user-select: none;
  transition: border-color .25s, background .25s;
}
.todo:hover { border-color: rgba(125, 149, 255, .5); background: rgba(255, 255, 255, .06); }
.tick {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  margin-top: 5px;
  border: 1.5px solid var(--muted);
  border-radius: 6px;
  position: relative;
  transition: background .2s, border-color .2s;
}
.todo.done .tick { background: var(--blue); border-color: var(--blue); }
.todo.done .tick::after {
  content: "";
  position: absolute;
  left: 7px; top: 3px;
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.todo.done .todo-text { color: var(--foam); }

.finale { position: relative; margin-top: 72px; text-align: center; }
.finale-big {
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 800;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--blue-soft);
  background: linear-gradient(95deg, var(--blue-soft), var(--foam) 55%, var(--blue-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.finale-small { margin-top: 14px; color: var(--muted); font-size: 15px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 48px;
  background: linear-gradient(180deg, rgba(10, 27, 48, .35), rgba(5, 13, 26, 0));
}
.footer-note { color: var(--muted); font-size: 14.5px; max-width: 860px; }
.tiny { color: var(--muted); font-size: 12.5px; margin-top: 18px; opacity: .8; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 16, .9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.lb-figure {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 94vw;
}
.lb-figure img {
  max-width: min(94vw, 1040px);
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #000;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .6);
}
.lb-cap { margin-top: 14px; color: var(--muted); font-size: 14px; text-align: center; max-width: 80vw; }
.lb-btn {
  position: absolute;
  z-index: 2;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(10, 27, 48, .75);
  color: var(--foam);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, color .2s;
}
.lb-btn:hover { border-color: var(--blue-soft); color: var(--blue-soft); }
#lbClose { top: 18px; right: 22px; }
#lbPrev { left: 16px; top: 50%; transform: translateY(-50%); }
#lbNext { right: 16px; top: 50%; transform: translateY(-50%); }

/* ---------- 大肥鱼表情装饰 ---------- */
.fish-deco {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, .35));
  animation: float 6s ease-in-out infinite alternate;
}
@keyframes float {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}
.fish-hero { width: clamp(120px, 18vw, 200px); right: 4vw; bottom: 64px; }
.fish-tl { width: clamp(90px, 12vw, 130px); top: -70px; right: 0; }
.fish-warn { width: clamp(80px, 10vw, 110px); right: 16px; bottom: 12px; opacity: .9; }
.card.warn p { padding-right: clamp(70px, 12vw, 120px); }
.fish-act { width: clamp(90px, 12vw, 130px); right: 0; bottom: -60px; }
.footer .container { position: relative; }
.fish-footer { width: clamp(70px, 8vw, 96px); right: 8px; bottom: 12px; }

/* ---------- 响应式（≤720px） ---------- */
@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .hero-inner { padding: 130px 20px 72px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn { width: min(320px, 86vw); text-align: center; }
  .dialog-grid { grid-template-columns: 1fr; }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 10px;
  }
  .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--foam); transition: transform .3s, opacity .3s; }
  .nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(5, 13, 26, .98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .nav.open .nav-links { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px dashed rgba(141, 163, 199, .12); }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-links a::after { display: none; }

  .tl-item { grid-template-columns: 1fr; padding-left: 30px; gap: 12px; }
  .badges { flex-direction: row; flex-wrap: wrap; align-items: center; }

  .compare { grid-template-columns: 1fr; }
  .wall-grid { grid-template-columns: 1fr; }
  .wall-item .ev-thumb img { height: 420px; }
  .quote { padding: 18px 20px; }

  .fish-hero { width: clamp(52px, 14vw, 72px); right: 12px; bottom: 54px; }
  .fish-tl { display: none; }
  .fish-warn { width: 60px; right: 8px; bottom: 8px; }
  .fish-act { width: 72px; right: 4px; bottom: -56px; }
  .fish-footer { width: 48px; right: 4px; bottom: 2px; }
}

/* ---------- 减弱动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body.js .reveal { opacity: 1; transform: none; transition: none; }
  .bubbles span, .marquee-track, .fish-deco { animation: none; }
}