/* ============================================================
 * 莫比乌斯 · 会生长的生产力系统 · 宣传页样式
 * 参考 Apple 官网：大字号、留白、暗亮章节交替、渐变点缀
 * ============================================================ */

:root {
  --bg-dark:   #000;
  --bg-dark-2: #030014;
  --bg-dark-3: #07071a;
  --bg-light:  #fbfbfd;
  --bg-light-2:#f5f5f7;
  --text-dark: #1d1d1f;
  --text-light:#f5f5f7;
  --muted-dark:#6e6e73;
  --muted-light:#a1a1a6;
  --brand-1: #22d3ee;
  --brand-2: #a78bfa;
  --brand-3: #f472b6;
  --grad-brand: linear-gradient(120deg, var(--brand-1) 0%, var(--brand-2) 50%, var(--brand-3) 100%);
  --max-w: 1080px;
  --max-w-narrow: 760px;
  --radius: 22px;
  --shadow-card: 0 30px 80px rgba(0,0,0,.25);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --font-cn: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
             "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Source Han Sans CN",
             "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-cn);
  background: var(--bg-light);
  color: var(--text-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: .01em;
  overflow-x: hidden;
}

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

/* ---------- 顶部导航 ---------- */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 56px;
  padding: 0 1.5rem;
  background: rgba(0,0,0,.55);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  color: var(--text-light);
  transition: background .35s var(--ease), color .35s var(--ease);
}
.topnav.on-light {
  background: rgba(251,251,253,.78);
  color: var(--text-dark);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.topnav-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .08em;
}
.topnav-logo { width: 22px; height: 22px; }
.topnav-links {
  list-style: none;
  margin: 0 auto 0 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
  font-size: .85rem;
  opacity: .9;
}
.topnav-links a {
  padding: .35rem .15rem;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease);
}
.topnav-links a:hover { border-bottom-color: currentColor; }
.topnav-id {
  font-size: .8rem;
  opacity: .8;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 720px) {
  .topnav { gap: 1rem; padding: 0 1rem; }
  .topnav-links { display: none; }
}

/* ---------- 通用 section ---------- */
.section {
  position: relative;
  width: 100%;
}
.section-padded { padding: 9rem 1.5rem; }
.section-dark  { background: var(--bg-dark); color: var(--text-light); }
.section-dark-2{ background: var(--bg-dark-2); color: var(--text-light); }
.section-light { background: var(--bg-light); color: var(--text-dark); }
.section-light-2{ background: var(--bg-light-2); color: var(--text-dark); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}
.container.narrow { max-width: var(--max-w-narrow); }
.center { text-align: center; }

/* ---------- 文字层级 ---------- */
.kicker {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin: 0 0 1.2rem;
}
.kicker.light { color: var(--brand-1); }

.display {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 1.5rem;
}
.display.small { font-size: clamp(2rem, 4.5vw, 3.4rem); }
.display.light { color: var(--text-light); }
.display.xl { font-size: clamp(2.8rem, 7vw, 5.6rem); }

.lead {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  line-height: 1.55;
  font-weight: 400;
  margin: 0 0 1.4rem;
  letter-spacing: .012em;
}
.lead.light { color: rgba(245,245,247,.92); }

.body {
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0 0 1.2rem;
  color: var(--muted-dark);
}
.section-dark .body,
.section-dark-2 .body { color: rgba(245,245,247,.78); }

.muted { opacity: .55; }
.small { font-size: .9rem; }

.gradient-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.gradient-text-dark {
  background: linear-gradient(120deg, #0ea5b7 0%, #6d5bd0 50%, #db2777 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .02em;
  transition: transform .25s var(--ease), background .25s var(--ease),
              color .25s var(--ease), box-shadow .25s var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--grad-brand);
  color: #0a0a18;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(167,139,250,.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(167,139,250,.4); }
.btn-ghost {
  background: transparent;
  color: inherit;
  border-color: rgba(255,255,255,.35);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  background: radial-gradient(ellipse at 50% 30%, #11062b 0%, #030014 60%, #000 100%);
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: .9;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1000px;
}
.hero-eyebrow {
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin: 0 0 1.5rem;
}
.hero-title {
  font-size: clamp(3.2rem, 10vw, 7.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  margin: 0 0 1.8rem;
  color: var(--text-light);
}
.hero-title .line { display: block; }
.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  line-height: 1.55;
  font-weight: 300;
  color: rgba(245,245,247,.88);
  margin: 0 auto 2.6rem;
  max-width: 640px;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  margin-top: 4.5rem;
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(255,255,255,.4);
  border-radius: 14px;
  position: relative;
  display: inline-block;
}
.hero-scroll-hint span {
  position: absolute;
  top: 8px; left: 50%;
  width: 3px; height: 8px;
  background: var(--brand-2);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDot 1.6s var(--ease) infinite;
}
@keyframes scrollDot {
  0% { transform: translate(-50%, 0); opacity: 1; }
  70% { transform: translate(-50%, 14px); opacity: 0; }
  100% { transform: translate(-50%, 0); opacity: 0; }
}

/* ---------- 概念对比 ---------- */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  margin: 4rem 0 0;
}
@media (max-width: 760px) {
  .concept-grid { grid-template-columns: 1fr; }
}
.concept-card {
  border-radius: var(--radius);
  padding: 3rem 2rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  text-align: center;
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.concept-card.highlight {
  background: linear-gradient(180deg, rgba(167,139,250,.12), rgba(34,211,238,.05));
  border-color: rgba(167,139,250,.4);
  box-shadow: 0 30px 80px rgba(167,139,250,.18);
}
.concept-card:hover { transform: translateY(-4px); }
.concept-3d {
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 1.5rem;
  border-radius: 14px;
  background: radial-gradient(circle at 50% 40%, rgba(167,139,250,.15), transparent 70%);
  position: relative;
  overflow: hidden;
}
.concept-3d canvas { display: block; width: 100% !important; height: 100% !important; }
.concept-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text-light);
}
.concept-card p {
  color: rgba(245,245,247,.7);
  margin: 0 0 1rem;
  line-height: 1.65;
}

/* 流程图：感知 → 规划 → 执行 → 反思 ⋯ 归零 */
.loop-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: 1.4rem;
  font-size: .95rem;
  color: rgba(245,245,247,.75);
}
.loop-flow .node {
  padding: .35rem .75rem;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  white-space: nowrap;
}
.loop-flow .node.end {
  color: rgba(245,245,247,.4);
  text-decoration: line-through;
  text-decoration-color: rgba(244,114,182,.5);
}
.loop-flow .ellipsis {
  font-size: 1.2rem;
  letter-spacing: -.1em;
  color: rgba(167,139,250,.7);
  padding: 0 .15rem;
  animation: ellipsisBlink 2s ease-in-out infinite;
}
@keyframes ellipsisBlink {
  0%, 100% { opacity: .4; }
  50% { opacity: 1; }
}
.loop-flow .arrow {
  color: rgba(245,245,247,.3);
  font-style: normal;
  font-size: .9rem;
}
.loop-flow.mobius .node {
  background: rgba(167,139,250,.1);
  border-color: rgba(167,139,250,.25);
  color: rgba(245,245,247,.9);
}
.loop-flow.mobius .arrow {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}
.loop-flow.mobius .arrow.circ {
  font-size: 1.2rem;
  animation: circSpin 3s linear infinite;
  display: inline-block;
}
@keyframes circSpin {
  to { transform: rotate(360deg); }
}
.loop-flow.mobius .node.ascend {
  background: var(--grad-brand);
  color: #0a0a18;
  font-weight: 600;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(167,139,250,.4);
}

/* ---------- 三重特性 ---------- */
.trinity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
  margin-top: 4rem;
}
@media (max-width: 880px) {
  .trinity-grid { grid-template-columns: 1fr; }
}
.trinity-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 3rem 2rem 2.5rem;
  text-align: center;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 20px 50px rgba(0,0,0,.05);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.trinity-card:hover { transform: translateY(-6px); box-shadow: 0 30px 80px rgba(0,0,0,.1); }
.trinity-num {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--brand-2);
  margin-bottom: 1.5rem;
}
.trinity-3d {
  width: 100%;
  aspect-ratio: 4 / 3;
  margin-bottom: 1.5rem;
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 35%, rgba(167,139,250,.15), transparent 65%);
  position: relative;
  overflow: hidden;
}
.trinity-3d canvas { display: block; width: 100% !important; height: 100% !important; }
.trinity-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 .8rem;
  letter-spacing: .005em;
}
.trinity-card p { color: var(--muted-dark); line-height: 1.65; margin: 0; }

/* ---------- 七大特性总览：章节卡片网格 ---------- */
.feature-toc {
  list-style: none;
  margin: 4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (max-width: 720px) { .feature-toc { grid-template-columns: 1fr; } }
.feature-toc li {
  display: block;
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.feature-toc li:nth-child(1) { transition-delay: 0ms; }
.feature-toc li:nth-child(2) { transition-delay: 70ms; }
.feature-toc li:nth-child(3) { transition-delay: 140ms; }
.feature-toc li:nth-child(4) { transition-delay: 210ms; }
.feature-toc li:nth-child(5) { transition-delay: 280ms; }
.feature-toc li:nth-child(6) { transition-delay: 350ms; }
.feature-toc li:nth-child(7) { transition-delay: 420ms; }
.feature-toc a {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.3rem;
  padding: 1.7rem 1.6rem;
  border-radius: 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(245,245,247,.88);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease),
              box-shadow .35s var(--ease), background .35s var(--ease);
}
.feature-toc a::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .35s var(--ease);
}
.feature-toc a:hover,
.feature-toc a:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(167,139,250,.45);
  background: rgba(167,139,250,.06);
  box-shadow: 0 22px 50px rgba(167,139,250,.18);
}
.feature-toc a:hover::after,
.feature-toc a:focus-visible::after { transform: scaleX(1); }
.toc-ghost {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, rgba(167,139,250,.4), rgba(34,211,238,.12));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background .35s var(--ease);
}
.feature-toc a:hover .toc-ghost,
.feature-toc a:focus-visible .toc-ghost {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.toc-body {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  min-width: 0;
}
.toc-title {
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.3;
}
.toc-meta {
  font-size: .8rem;
  color: rgba(245,245,247,.5);
  letter-spacing: .04em;
  font-weight: 400;
}
.toc-arrow {
  font-style: normal;
  font-size: 1.2rem;
  color: rgba(167,139,250,.5);
  transition: transform .35s var(--ease), color .35s var(--ease);
}
.feature-toc a:hover .toc-arrow,
.feature-toc a:focus-visible .toc-arrow {
  color: var(--brand-2);
  transform: translateX(6px);
}

/* ---------- 单个特性布局 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.feature-grid.reverse .feature-text { order: 2; }
.feature-grid.reverse .feature-media { order: 1; }
@media (max-width: 880px) {
  .feature-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .feature-grid.reverse .feature-text,
  .feature-grid.reverse .feature-media { order: initial; }
}
.feature-head {
  text-align: center;
  margin-bottom: 4rem;
}

/* ---------- 媒体占位 ---------- */
.feature-media {
  margin: 0;
}
.media-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(167,139,250,.16), rgba(34,211,238,.06) 60%, rgba(244,114,182,.12)),
    radial-gradient(circle at 30% 30%, rgba(167,139,250,.25), transparent 50%);
  border: 1px solid rgba(167,139,250,.25);
  box-shadow: 0 30px 80px rgba(0,0,0,.2);
}
.section-light .media-placeholder {
  background:
    linear-gradient(135deg, rgba(167,139,250,.1), rgba(34,211,238,.04) 60%, rgba(244,114,182,.1)),
    radial-gradient(circle at 30% 30%, rgba(167,139,250,.15), transparent 50%);
  border-color: rgba(167,139,250,.2);
}
.media-hint {
  position: absolute;
  bottom: 12px; left: 50%;
  transform: translateX(-50%);
  font-size: .72rem;
  letter-spacing: .15em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  font-weight: 500;
}
.section-light .media-hint { color: rgba(29,29,31,.45); }

/* ===== 通用：流动虚线 / 状态点 / 节点脉冲 ===== */
.flow-anim {
  stroke-dashoffset: 0;
  animation: flowDash 1.4s linear infinite;
}
.flow-anim.d1 { animation-delay: -.2s; }
.flow-anim.d2 { animation-delay: -.4s; }
.flow-anim.d3 { animation-delay: -.6s; }
.flow-anim.d4 { animation-delay: -.8s; }
.flow-anim.d5 { animation-delay: -1.0s; }
.flow-anim.d6 { animation-delay: -.3s; }
.flow-anim.d7 { animation-delay: -.5s; }
@keyframes flowDash {
  to { stroke-dashoffset: -18; }
}
.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2dd4bf;
  box-shadow: 0 0 8px rgba(45,212,191,.7);
  animation: statusBlink 1.6s ease-in-out infinite;
}
@keyframes statusBlink {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}
.node-pulse {
  animation: nodeBlink 2s ease-in-out infinite;
}
.node-pulse.d1 { animation-delay: -.3s; }
.node-pulse.d2 { animation-delay: -.6s; }
.node-pulse.d3 { animation-delay: -.9s; }
.node-pulse.d4 { animation-delay: -1.2s; }
.node-pulse.d5 { animation-delay: -1.5s; }
@keyframes nodeBlink {
  0%, 100% { opacity: .55; transform: scale(1); transform-box: fill-box; transform-origin: center; }
  50% { opacity: 1; transform: scale(1.35); transform-box: fill-box; transform-origin: center; }
}
.core-pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: corePulse 2.4s ease-in-out infinite;
}
@keyframes corePulse {
  0%, 100% { opacity: .35; transform: scale(1); }
  50% { opacity: .9; transform: scale(1.08); }
}

/* ===== feat-1: 7×24 项目运行热力图 ===== */
.media-heatmap { padding: 1.6rem; }
.heatmap-card {
  width: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,.6), rgba(255,255,255,.3));
  border: 1px solid rgba(15,23,42,.08);
  border-radius: 16px;
  padding: 1.4rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
}
.heatmap-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}
.heatmap-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}
.heatmap-sub {
  font-size: .8rem;
  color: var(--muted-dark);
  margin-top: .2rem;
}
.heatmap-badge {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: #047857;
  background: rgba(45,212,191,.15);
  border: 1px solid rgba(45,212,191,.35);
  padding: .3rem .65rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.heatmap-badge .badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2dd4bf;
  box-shadow: 0 0 6px rgba(45,212,191,.8);
  animation: statusBlink 1.4s ease-in-out infinite;
}
.heatmap-card {
  position: relative;
}
.heatmap-axis-y {
  position: absolute;
  left: 8px;
  top: 76px;
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  height: 134px;
  font-size: .65rem;
  color: var(--muted-dark);
  opacity: .6;
}
.heatmap-axis-y span {
  display: flex;
  align-items: center;
  height: 19px;
}
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 3px;
  margin: 0 0 .55rem 1.05rem;
  height: 134px;
}
.heatmap-cell {
  border-radius: 3px;
  background: rgba(15,23,42,.05);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.heatmap-cell.p1 { background: linear-gradient(135deg, #5eead4, #2dd4bf); }
.heatmap-cell.p2 { background: linear-gradient(135deg, #a5b4fc, #818cf8); }
.heatmap-cell.p3 { background: linear-gradient(135deg, #fda4af, #fb7185); }
.heatmap-cell.p4 { background: linear-gradient(135deg, #fde68a, #facc15); }
.heatmap-cell.breathe { animation: heatBreath 3s ease-in-out infinite; }
@keyframes heatBreath {
  0%, 100% { opacity: .82; }
  50% { opacity: 1; transform: scale(1.08); transform-box: fill-box; transform-origin: center; }
}
.heatmap-axis-x {
  display: flex;
  justify-content: space-between;
  margin: 0 0 1rem 1.05rem;
  font-size: .65rem;
  color: var(--muted-dark);
  opacity: .6;
  font-variant-numeric: tabular-nums;
}
.heatmap-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  padding-top: .8rem;
  border-top: 1px dashed rgba(15,23,42,.1);
  font-size: .76rem;
  color: var(--text-dark);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
}
.legend-dot.p1 { background: linear-gradient(135deg, #5eead4, #2dd4bf); }
.legend-dot.p2 { background: linear-gradient(135deg, #a5b4fc, #818cf8); }
.legend-dot.p3 { background: linear-gradient(135deg, #fda4af, #fb7185); }
.legend-dot.p4 { background: linear-gradient(135deg, #fde68a, #facc15); }

/* ===== feat-2: 自进化能力树 ===== */
.media-evolve { padding: 1.2rem; }
.evolution-svg {
  width: 100%;
  height: auto;
  max-height: 360px;
}
.evo-leaf {
  filter: drop-shadow(0 0 5px rgba(250,204,21,.55));
  transform-box: fill-box;
  transform-origin: center;
  animation: evoLeafBreathe 2.6s ease-in-out infinite;
}
.evo-leaf.d1 { animation-delay: 0s; }
.evo-leaf.d2 { animation-delay: -.5s; }
.evo-leaf.d3 { animation-delay: -1s; }
.evo-leaf.d4 { animation-delay: -1.5s; }
@keyframes evoLeafBreathe {
  0%, 100% { opacity: .78; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.22); }
}
.evo-current { animation: evoCurrentGlow 2.8s ease-in-out infinite; }
@keyframes evoCurrentGlow {
  0%, 100% { opacity: .82; }
  50% { opacity: 1; }
}

/* ===== feat-4: 智能体编队（1 → 主管 → 执行体阵型） ===== */
.media-fleet { padding: 1rem; }
.fleet-svg {
  width: 100%;
  height: auto;
  max-height: 360px;
}
.fleet-exec {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: left center;
  animation: fleetForm .85s var(--ease) forwards;
}
.fleet-exec.e1 { animation-delay: .25s; }
.fleet-exec.e2 { animation-delay: .45s; }
.fleet-exec.e3 { animation-delay: .65s; }
.fleet-exec.e4 { animation-delay: .85s; }
@keyframes fleetForm {
  from { opacity: 0; transform: translateX(-12px) scale(.92); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
.fleet-caption {
  margin-top: .9rem;
  text-align: center;
  font-size: .82rem;
  color: rgba(245,245,247,.55);
  letter-spacing: .06em;
}

/* ===== feat-5: 算力集群拓扑 ===== */
.media-cluster { padding: 1rem; display: flex; flex-direction: column; gap: .8rem; }
.cluster-svg {
  width: 100%;
  height: auto;
  max-height: 380px;
}
.cluster-tag {
  display: flex;
  gap: .55rem;
  justify-content: center;
  flex-wrap: wrap;
}
.tag-pill {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--text-dark);
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(15,23,42,.1);
  padding: .35rem .7rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.tag-pill .status-dot { width: 6px; height: 6px; }

/* ===== feat-6: 小莫多端对话 ===== */
.media-dialog { padding: 1.2rem; }
.dialog-stage {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .9rem;
  width: 100%;
}
@media (max-width: 720px) {
  .dialog-stage { grid-template-columns: 1fr; gap: .6rem; }
  .dialog-flow { display: none; }
}
.dialog-phone {
  width: 150px;
  background: linear-gradient(180deg, #1a1a2e, #0a0a18);
  border: 1.5px solid rgba(167,139,250,.5);
  border-radius: 22px;
  padding: 8px;
  position: relative;
  box-shadow: 0 22px 48px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
}
.phone-notch {
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 48px; height: 6px;
  background: #000;
  border-radius: 999px;
  z-index: 2;
}
.phone-screen {
  background: linear-gradient(160deg, #1c0a30, #050018);
  border-radius: 14px;
  padding: 1.4rem .55rem .55rem;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.phone-header {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: 0 .2rem .5rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: .3rem;
}
.mo-avatar {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  font-size: 30px;
  border-radius: 9999px;
  isolation: isolate;
  overflow: visible;
  transform-origin: 50% 50%;
  animation: mo-life-float 10.5s ease-in-out infinite;
}
.mo-avatar__field,
.mo-avatar__ring,
.mo-avatar__core,
.mo-avatar__particle {
  position: absolute;
  border-radius: 9999px;
  pointer-events: none;
}
.mo-avatar__field {
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 35% 29%, rgba(255, 255, 255, .96) 0 5%, transparent 16%),
    radial-gradient(circle at 62% 56%, rgba(20, 184, 166, .64) 0 10%, transparent 38%),
    radial-gradient(circle at 35% 70%, rgba(251, 113, 133, .46) 0 8%, transparent 33%),
    radial-gradient(circle at 72% 28%, rgba(250, 204, 21, .42) 0 7%, transparent 30%),
    conic-gradient(from 140deg, rgba(56, 189, 248, .88), rgba(129, 140, 248, .82), rgba(236, 72, 153, .58), rgba(45, 212, 191, .92), rgba(56, 189, 248, .88));
  box-shadow:
    inset 0 0 .34em rgba(255, 255, 255, .32),
    inset 0 -.14em .32em rgba(15, 23, 42, .30),
    0 0 .36em rgba(125, 211, 252, .38),
    0 0 .72em rgba(45, 212, 191, .20);
  animation: mo-field-breathe 7.4s ease-in-out infinite;
}
.mo-avatar__ring {
  z-index: 1;
  opacity: .62;
  border: 1px solid rgba(224, 242, 254, .34);
  box-shadow: 0 0 .3em rgba(125, 211, 252, .18);
}
.mo-avatar__ring--outer {
  inset: 8%;
  border-radius: 46% 54% 42% 58% / 55% 42% 58% 45%;
  animation: mo-ring-turn 13s linear infinite;
}
.mo-avatar__ring--inner {
  inset: 25%;
  border-radius: 58% 42% 54% 46% / 43% 57% 41% 59%;
  border-color: rgba(253, 186, 116, .38);
  animation: mo-ring-turn-reverse 9.5s linear infinite;
}
.mo-avatar__core {
  z-index: 2;
  left: 36%;
  top: 34%;
  width: .28em;
  height: .28em;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 1) 0 22%, rgba(165, 243, 252, .92) 23% 46%, rgba(56, 189, 248, .24) 47% 100%);
  box-shadow:
    0 0 .18em rgba(255, 255, 255, .78),
    0 0 .42em rgba(125, 211, 252, .58),
    0 0 .74em rgba(45, 212, 191, .36);
  animation: mo-core-pulse 5.8s ease-in-out infinite;
}
.mo-avatar__particle {
  z-index: 2;
  width: .07em;
  height: .07em;
  background: rgba(224, 242, 254, .95);
  box-shadow: 0 0 .16em currentColor, 0 0 .28em currentColor;
  animation-duration: 8.8s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}
.mo-avatar__particle--1  { left: 47%; top: 5%;  color: #e0f2fe; animation-name: mo-particle-drift-a; animation-delay: -1.1s; }
.mo-avatar__particle--2  { left: 63%; top: 10%; width: .055em; height: .055em; color: #a7f3d0; animation-name: mo-particle-drift-b; animation-delay: -4.3s; }
.mo-avatar__particle--3  { left: 75%; top: 22%; color: #fde68a; animation-name: mo-particle-drift-c; animation-delay: -2.6s; }
.mo-avatar__particle--4  { left: 86%; top: 42%; width: .052em; height: .052em; color: #bae6fd; animation-name: mo-particle-drift-b; animation-delay: -6.1s; }
.mo-avatar__particle--5  { left: 76%; top: 66%; width: .08em;  height: .08em;  color: #fda4af; animation-name: mo-particle-drift-a; animation-delay: -3.7s; }
.mo-avatar__particle--6  { left: 60%; top: 80%; color: #99f6e4; animation-name: mo-particle-drift-c; animation-delay: -5.2s; }
.mo-avatar__particle--7  { left: 42%; top: 86%; width: .052em; height: .052em; color: #bfdbfe; animation-name: mo-particle-drift-b; animation-delay: -7.4s; }
.mo-avatar__particle--8  { left: 22%; top: 76%; color: #c4b5fd; animation-name: mo-particle-drift-a; animation-delay: -2.1s; }
.mo-avatar__particle--9  { left: 10%; top: 57%; width: .06em;  height: .06em;  color: #fed7aa; animation-name: mo-particle-drift-c; animation-delay: -6.8s; }
.mo-avatar__particle--10 { left: 8%;  top: 36%; color: #67e8f9; animation-name: mo-particle-drift-b; animation-delay: -1.8s; }
.mo-avatar__particle--11 { left: 18%; top: 18%; width: .055em; height: .055em; color: #fbcfe8; animation-name: mo-particle-drift-c; animation-delay: -5.8s; }
.mo-avatar__particle--12 { left: 32%; top: 11%; color: #bbf7d0; animation-name: mo-particle-drift-a; animation-delay: -3.1s; }
@keyframes mo-life-float {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  25%      { transform: translate3d(.035em, -.045em, 0) scale(1.025) rotate(1.5deg); }
  52%      { transform: translate3d(-.025em, .025em, 0) scale(.985) rotate(-1deg); }
  78%      { transform: translate3d(.025em, .04em, 0) scale(1.015) rotate(.8deg); }
}
@keyframes mo-field-breathe {
  0%, 100% { opacity: .92; filter: saturate(1.18) brightness(1); transform: scale(.98); border-radius: 50%; }
  35%      { opacity: 1;   filter: saturate(1.38) brightness(1.08); transform: scale(1.035); border-radius: 45% 55% 48% 52% / 56% 46% 54% 44%; }
  70%      { opacity: .86; filter: saturate(1.08) brightness(.98); transform: scale(1.005); border-radius: 56% 44% 57% 43% / 45% 58% 42% 55%; }
}
@keyframes mo-ring-turn         { to { transform: rotate(360deg); } }
@keyframes mo-ring-turn-reverse { to { transform: rotate(-360deg); } }
@keyframes mo-core-pulse {
  0%, 100% { transform: translate3d(0, 0, 0) scale(.94); opacity: .86; }
  42%      { transform: translate3d(.035em, -.02em, 0) scale(1.18); opacity: 1; }
  72%      { transform: translate3d(-.02em, .035em, 0) scale(1.02); opacity: .92; }
}
@keyframes mo-particle-drift-a {
  0%, 100% { transform: translate3d(0, 0, 0) scale(.82); opacity: .42; }
  38%      { transform: translate3d(.08em, -.055em, 0) scale(1.28); opacity: 1; }
  70%      { transform: translate3d(-.05em, .07em, 0) scale(.96); opacity: .66; }
}
@keyframes mo-particle-drift-b {
  0%, 100% { transform: translate3d(0, 0, 0) scale(.9); opacity: .5; }
  33%      { transform: translate3d(-.07em, -.035em, 0) scale(1.16); opacity: .92; }
  68%      { transform: translate3d(.06em, .075em, 0) scale(.84); opacity: .55; }
}
@keyframes mo-particle-drift-c {
  0%, 100% { transform: translate3d(0, 0, 0) scale(.78); opacity: .38; }
  45%      { transform: translate3d(.045em, .08em, 0) scale(1.22); opacity: .96; }
  76%      { transform: translate3d(-.075em, -.045em, 0) scale(.94); opacity: .62; }
}
.mo-name {
  font-size: .8rem;
  font-weight: 600;
  color: #f1f5f9;
}
.mo-status {
  font-size: .65rem;
  color: #5eead4;
  display: flex;
  align-items: center;
  gap: .25rem;
}
.mo-status .status-dot { width: 5px; height: 5px; }
.phone-msg {
  padding: .42rem .55rem;
  border-radius: 12px;
  font-size: .72rem;
  line-height: 1.45;
}
.phone-msg .msg-meta {
  display: block;
  font-size: .58rem;
  opacity: .55;
  margin-bottom: .15rem;
}
.phone-msg.user {
  background: rgba(255,255,255,.06);
  color: #e2e8f0;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.phone-msg.mo {
  background: linear-gradient(135deg, rgba(45,212,191,.18), rgba(129,140,248,.18));
  border: 1px solid rgba(45,212,191,.3);
  color: #ecfeff;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
}
.mo-wave {
  display: inline-flex;
  gap: 2px;
  align-items: center;
  height: 14px;
}
.mo-wave span {
  width: 2px;
  background: linear-gradient(180deg, #5eead4, #2dd4bf);
  border-radius: 1px;
  animation: wave 1s ease-in-out infinite;
}
.mo-wave span:nth-child(1) { height: 4px; animation-delay: 0s; }
.mo-wave span:nth-child(2) { height: 10px; animation-delay: .12s; }
.mo-wave span:nth-child(3) { height: 14px; animation-delay: .24s; }
.mo-wave span:nth-child(4) { height: 10px; animation-delay: .36s; }
.mo-wave span:nth-child(5) { height: 4px; animation-delay: .48s; }
@keyframes wave {
  0%, 100% { transform: scaleY(.4); opacity: .6; }
  50% { transform: scaleY(1); opacity: 1; }
}

.dialog-flow {
  position: relative;
  height: 60px;
  min-width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flow-line {
  position: absolute;
  top: 50%;
  left: 0; right: 14px;
  height: 2px;
  background: linear-gradient(90deg, rgba(167,139,250,.1), rgba(167,139,250,.6), rgba(167,139,250,.1));
  border-radius: 1px;
}
.flow-particle {
  position: absolute;
  top: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  transform: translateY(-50%);
  animation: particleRun 2s linear infinite;
}
.flow-particle.p1 { background: #2dd4bf; box-shadow: 0 0 8px #2dd4bf; animation-delay: 0s; }
.flow-particle.p2 { background: #818cf8; box-shadow: 0 0 8px #818cf8; animation-delay: -.66s; }
.flow-particle.p3 { background: #fb7185; box-shadow: 0 0 8px #fb7185; animation-delay: -1.33s; }
@keyframes particleRun {
  0% { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: calc(100% - 22px); opacity: 0; }
}
.flow-arrow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(167,139,250,.8);
  font-size: 1rem;
  animation: arrowGlow 1.6s ease-in-out infinite;
}
@keyframes arrowGlow {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

.dialog-products {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-width: 130px;
}
.product-card {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem .7rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  transition: transform .35s var(--ease), border-color .35s var(--ease);
  animation: productIn .6s var(--ease) backwards;
}
.product-card:nth-child(1) { animation-delay: .1s; }
.product-card:nth-child(2) { animation-delay: .25s; }
.product-card:nth-child(3) { animation-delay: .4s; }
@keyframes productIn {
  from { opacity: 0; transform: translateX(8px); }
  to { opacity: 1; transform: translateX(0); }
}
.product-card:hover {
  transform: translateX(-3px);
  border-color: rgba(167,139,250,.5);
}
.product-icon {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, rgba(45,212,191,.25), rgba(129,140,248,.2));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5eead4;
  flex: none;
}
.product-icon svg { width: 14px; height: 14px; }
.product-name {
  font-size: .8rem;
  font-weight: 600;
  color: #f1f5f9;
  flex: 1;
}
.product-tag {
  font-size: .62rem;
  color: rgba(167,139,250,.8);
  background: rgba(167,139,250,.1);
  padding: .12rem .42rem;
  border-radius: 999px;
  letter-spacing: .03em;
}
.dialog-caption {
  text-align: center;
  margin-top: 1rem;
  font-size: .76rem;
  color: rgba(245,245,247,.55);
  letter-spacing: .06em;
}

/* 自主孵化：真实扩展卡片 */
.incubate-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.3rem;
  margin: 4rem 0 0;
}
@media (max-width: 1180px) { .incubate-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .incubate-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .incubate-grid { grid-template-columns: 1fr; } }

/* ===== 视频展示页 ===== */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
  margin: 4rem 0 0;
}
@media (max-width: 880px) { .showcase-grid { grid-template-columns: 1fr; } }

.showcase-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 20px;
  padding: 1.4rem;
  transition: transform .35s var(--ease), border-color .35s var(--ease),
              box-shadow .35s var(--ease);
}
.showcase-card:hover {
  transform: translateY(-6px);
  border-color: rgba(167, 139, 250, .4);
  box-shadow: 0 30px 70px rgba(167, 139, 250, .18);
}
.showcase-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: #05030f;
  margin-bottom: 1.2rem;
  border: 1px solid rgba(167, 139, 250, .25);
}
.showcase-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
  object-fit: cover;
}
.showcase-video.placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(45, 212, 191, .22), transparent 55%),
    radial-gradient(circle at 75% 65%, rgba(244, 114, 182, .18), transparent 55%),
    linear-gradient(135deg, #0a0a18 0%, #1a0a30 100%);
  z-index: 0;
}
.showcase-video.placeholder::after {
  content: "▶ 视频待接入";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  letter-spacing: .12em;
  color: rgba(245, 245, 247, .55);
  z-index: 1;
  pointer-events: none;
}
.showcase-video video[src] ~ .showcase-badge,
.showcase-video:not(.placeholder) .showcase-badge { /* badge 始终显示，但视频接入后提升对比度 */ }

.showcase-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .32rem .7rem;
  border-radius: 999px;
  color: #0a0a18;
  background: var(--grad-brand);
  box-shadow: 0 6px 16px rgba(167, 139, 250, .35);
}

.showcase-card h3 {
  font-size: 1.18rem;
  font-weight: 600;
  margin: 0 0 .65rem;
  color: var(--text-light);
  letter-spacing: .005em;
  line-height: 1.4;
}
.showcase-card p {
  margin: 0;
  color: rgba(245, 245, 247, .72);
  line-height: 1.7;
  font-size: .94rem;
}

.ext-card {
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.4rem 1.3rem;
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(0,0,0,.05);
  box-shadow: 0 10px 28px rgba(0,0,0,.05);
  color: var(--text-dark);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              border-color .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.ext-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.ext-card:hover {
  transform: translateY(-8px);
  border-color: rgba(167,139,250,.3);
  box-shadow: 0 28px 60px rgba(167,139,250,.18);
}
.ext-card:hover::before { opacity: 1; }

.ext-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(167,139,250,.12), rgba(34,211,238,.06));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  overflow: hidden;
}
.ext-icon img,
.ext-icon svg {
  width: 36px;
  height: 36px;
  display: block;
}
.ext-card h4 {
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0 0 .55rem;
  letter-spacing: .01em;
  line-height: 1.35;
}
.ext-card p {
  font-size: .88rem;
  line-height: 1.6;
  color: var(--muted-dark);
  margin: 0 0 1.2rem;
  flex: 1;
}
.ext-cta {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--brand-2);
  border-top: 1px solid rgba(0,0,0,.06);
  padding-top: .85rem;
  margin: 0;
}
.ext-cta i {
  font-style: normal;
  transition: transform .25s var(--ease);
}
.ext-card:hover .ext-cta i { transform: translate(2px, -2px); }

/* ---------- L1/L2/L3 列表 ---------- */
.tier-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.tier-list li {
  padding: 1.2rem 1.4rem;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}
.tier-tag {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .15em;
  margin-bottom: .5rem;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tier-list p {
  margin: 0;
  color: rgba(245,245,247,.82);
  line-height: 1.65;
}

/* ---------- 团队协作 4 支柱 ---------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}
@media (max-width: 760px) { .pillars-grid { grid-template-columns: 1fr; } }
.pillar {
  background: #fff;
  border-radius: var(--radius);
  padding: 2.5rem;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 16px 40px rgba(0,0,0,.04);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(167,139,250,.12);
}
.pillar-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.2rem;
  color: var(--brand-2);
}
.pillar-icon svg { width: 100%; height: 100%; }
.pillar h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 .8rem;
}
.pillar p { color: var(--muted-dark); line-height: 1.65; margin: 0; }

/* ---------- Finale ---------- */
.finale {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, #11062b 0%, #030014 70%, #000 100%);
}
#finale-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: .85;
}
.finale .container { position: relative; z-index: 2; }

/* ---------- Footer ---------- */
.footer {
  background: #000;
  color: rgba(245,245,247,.6);
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .8rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--text-light);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .08em;
}
.footer-logo { width: 24px; height: 24px; }
.footer-tagline {
  margin: .4rem 0 0;
  font-size: .9rem;
  letter-spacing: .2em;
  opacity: .8;
}
.footer-copy {
  margin: 1rem 0 0;
  font-size: .8rem;
  opacity: .5;
}

/* ---------- 滚动揭示动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}