/* ============================================================
   好映 Haoying · 品牌官网样式
   设计基调：微软/字节系成熟视觉规范，马卡龙渐变，通透干净
   ============================================================ */

:root {
  --ink: #0f1222;
  --ink-2: #4b5069;
  --ink-3: #8a90a6;
  --brand: #7c5cff;
  --brand-2: #38bdf8;
  --pink: #ff7eb6;
  --peach: #ffb37e;
  --mint: #5eead4;
  --bg: #ffffff;
  --bg-alt: #f7f8fd;
  --line: rgba(15, 18, 34, 0.07);
  --card-shadow: 0 20px 50px -24px rgba(64, 60, 158, 0.18);
  --grad-brand: linear-gradient(135deg, #7c5cff 0%, #38bdf8 100%);
  --grad-warm: linear-gradient(135deg, #ff7eb6 0%, #ffb37e 100%);
  --grad-mint: linear-gradient(135deg, #5eead4 0%, #38bdf8 100%);
  --grad-sun: linear-gradient(135deg, #ffd76e 0%, #ff7eb6 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- 通用文字 ---------- */
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.22; }

.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--brand);
  background: rgba(124, 92, 255, 0.08);
  border: 1px solid rgba(124, 92, 255, 0.16);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section { padding: 104px 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; margin-bottom: 14px; }
.section-head p { color: var(--ink-2); font-size: 17px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  padding: 12px 26px;
  box-shadow: 0 12px 26px -10px rgba(124, 92, 255, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 32px -10px rgba(124, 92, 255, 0.6); }

.btn-outline {
  background: #fff;
  color: var(--ink);
  padding: 12px 26px;
  border: 1px solid var(--line);
  box-shadow: 0 6px 16px -8px rgba(15, 18, 34, 0.12);
}
.btn-outline:hover { transform: translateY(-2px); border-color: rgba(124, 92, 255, 0.35); }

.btn-lg { padding: 15px 32px; font-size: 17px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 68px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(255, 255, 255, 0.92); }

.nav-inner { display: flex; align-items: center; gap: 40px; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--grad-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px -6px rgba(124, 92, 255, 0.5);
  flex: none;
}
.brand-logo svg { width: 20px; height: 20px; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: 0.01em; display: flex; flex-direction: column; line-height: 1.05; }
.brand-name small { font-size: 9px; font-weight: 600; letter-spacing: 0.34em; color: var(--ink-3); }

.nav-links { display: flex; gap: 32px; margin-left: auto; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--brand); }

.nav-actions { display: flex; align-items: center; gap: 14px; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  padding: 158px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(124, 92, 255, 0.16), transparent 62%),
    radial-gradient(900px 480px at -8% 22%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(760px 420px at 58% 108%, rgba(255, 126, 182, 0.1), transparent 62%),
    #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(15, 18, 34, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(900px 500px at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(900px 500px at 50% 0%, #000 0%, transparent 75%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px -14px rgba(15, 18, 34, 0.2);
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.15);
}

.hero h1 {
  font-size: clamp(38px, 5.4vw, 64px);
  font-weight: 800;
  line-height: 1.14;
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 17.5px;
  color: var(--ink-2);
  max-width: 480px;
  margin-bottom: 34px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 34px; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; }
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--ink-3);
  font-weight: 500;
}
.hero-trust svg { width: 16px; height: 16px; color: var(--mint); }

/* ---------- 首屏编辑器模型 ---------- */
.hero-visual { position: relative; }

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  pointer-events: none;
}
.glow-1 {
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.55), transparent 70%);
  top: -60px; right: -50px;
  animation: floaty 9s ease-in-out infinite;
}
.glow-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.5), transparent 70%);
  bottom: -70px; left: -60px;
  animation: floaty 11s ease-in-out infinite reverse;
}
@keyframes floaty {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -18px, 0); }
}

.editor {
  position: relative;
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(15, 18, 34, 0.06);
  box-shadow:
    0 60px 110px -36px rgba(74, 66, 172, 0.35),
    0 24px 48px -30px rgba(15, 18, 34, 0.18);
  overflow: hidden;
  font-size: 12px;
}

.editor-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: #fbfbfe;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.editor-title { margin-left: 10px; font-weight: 600; color: var(--ink-2); }
.editor-saved {
  margin-left: auto;
  font-size: 11px;
  color: #16a34a;
  background: rgba(22, 163, 74, 0.08);
  border-radius: 999px;
  padding: 3px 10px;
}

.editor-body { display: grid; grid-template-columns: 58px 1fr 128px; }

.editor-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
  border-right: 1px solid var(--line);
  background: #fbfbfe;
}
.tool {
  width: 42px;
  padding: 7px 0 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  border-radius: 10px;
  color: var(--ink-3);
  transition: background 0.2s ease, color 0.2s ease;
}
.tool svg { width: 17px; height: 17px; }
.tool i { font-style: normal; font-size: 9.5px; transform: scale(0.92); }
.tool.active { background: rgba(124, 92, 255, 0.1); color: var(--brand); }

.editor-stage { padding: 14px; background: #f2f3fa; display: flex; }
.canvas {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  box-shadow: 0 8px 20px -10px rgba(15, 18, 34, 0.25);
}
.canvas img { width: 100%; height: 100%; object-fit: cover; }
.canvas .play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 44px; height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px -8px rgba(15, 18, 34, 0.4);
  cursor: pointer;
}
.canvas .play svg { width: 22px; height: 22px; margin-left: 2px; }
.canvas-hud {
  position: absolute;
  left: 10px; bottom: 10px;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: rgba(15, 18, 34, 0.55);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.editor-prop { padding: 14px 12px; border-left: 1px solid var(--line); background: #fbfbfe; }
.prop-title { font-weight: 700; font-size: 11.5px; margin-bottom: 12px; color: var(--ink); }
.prop-row { margin-bottom: 12px; }
.prop-row span { display: block; font-size: 10px; color: var(--ink-3); margin-bottom: 5px; }
.bar { display: block; height: 4px; border-radius: 999px; background: rgba(15, 18, 34, 0.08); overflow: hidden; }
.bar em { display: block; height: 100%; border-radius: 999px; background: var(--grad-brand); }
.prop-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 4px; }
.prop-chips span {
  font-size: 9.5px;
  color: var(--ink-2);
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 3px 8px;
}

.editor-timeline { border-top: 1px solid var(--line); background: #fff; }
.tl-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
}
.tl-tool { display: inline-flex; align-items: center; gap: 5px; color: var(--ink-2); font-weight: 500; }
.tl-tool svg { width: 14px; height: 14px; }
.tl-fit {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 3px 9px;
}
.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 9px;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700;
  font-size: 11.5px;
  padding: 7px 14px;
  cursor: pointer;
  box-shadow: 0 8px 18px -6px rgba(124, 92, 255, 0.5);
}
.export-btn svg { width: 13px; height: 13px; }

.tl-ruler {
  display: flex;
  justify-content: space-between;
  padding: 7px 16px 0;
  font-size: 9px;
  color: var(--ink-3);
  letter-spacing: 0.03em;
}

.tl-track {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
}
.tl-track.audio { padding-top: 0; padding-bottom: 12px; }

.clip {
  height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 7px;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}
.clip.c1 { background: linear-gradient(135deg, #7c5cff, #a78bfa); width: 16%; }
.clip.c2 { background: linear-gradient(135deg, #38bdf8, #5eead4); width: 20%; }
.clip.c3 { background: linear-gradient(135deg, #ff7eb6, #c084fc); width: 24%; outline: 2px solid #7c5cff; outline-offset: 1.5px; }
.clip.c4 { background: linear-gradient(135deg, #ffb37e, #ffd76e); width: 18%; }
.clip.c5 { background: linear-gradient(135deg, #34d399, #38bdf8); width: 15%; }

.playhead {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 56%;
  width: 2px;
  background: #ff4d6d;
  border-radius: 2px;
  z-index: 2;
}
.playhead i {
  position: absolute;
  top: -4px; left: -4px;
  width: 10px; height: 10px;
  background: #ff4d6d;
  border-radius: 3px;
}

.clip.a1 {
  background: rgba(124, 92, 255, 0.12);
  color: var(--brand);
  width: 34%;
  box-shadow: none;
}
.wave {
  flex: 1;
  height: 30px;
  display: flex;
  align-items: center;
  gap: 2.5px;
  overflow: hidden;
}
.wave i {
  flex: none;
  width: 2.5px;
  border-radius: 2px;
  background: rgba(124, 92, 255, 0.45);
  height: 30%;
}
.wave i:nth-child(3n) { height: 62%; }
.wave i:nth-child(4n) { height: 84%; }
.wave i:nth-child(5n) { height: 46%; }
.wave i:nth-child(7n) { height: 72%; }
.wave i:nth-child(11n) { height: 30%; }

/* ---------- 数据概览 ---------- */
.stats { padding: 34px 0 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 38px 28px;
  position: relative;
  top: -1px;
}
.stat { text-align: center; }
.stat strong {
  display: block;
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat > span { font-size: 14px; color: var(--ink-3); font-weight: 500; }

/* ---------- 功能卡片 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -28px rgba(74, 66, 172, 0.3);
  border-color: rgba(124, 92, 255, 0.22);
}
.feature-card h3 { font-size: 19px; font-weight: 700; margin: 20px 0 10px; }
.feature-card p { font-size: 14.5px; color: var(--ink-2); }

.icon-chip {
  width: 50px; height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 12px 22px -8px rgba(74, 66, 172, 0.4);
}
.icon-chip svg { width: 24px; height: 24px; }
.ic-1 { background: var(--grad-brand); }
.ic-2 { background: var(--grad-warm); }
.ic-3 { background: var(--grad-mint); }
.ic-4 { background: var(--grad-sun); }

/* ---------- 左右分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-copy h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; margin-bottom: 16px; }
.split-lead { color: var(--ink-2); font-size: 16.5px; margin-bottom: 26px; }

.check-list { display: grid; gap: 14px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  color: var(--ink);
  font-weight: 500;
}
.check {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(94, 234, 212, 0.18);
  color: #0d9488;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.check svg { width: 13px; height: 13px; }

/* 素材库网格 */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.mat {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 1;
  box-shadow: 0 16px 34px -20px rgba(15, 18, 34, 0.35);
}
.mat img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.mat:hover img { transform: scale(1.06); }
.mat figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px 12px 9px;
  font-size: 11.5px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(to top, rgba(15, 18, 34, 0.62), transparent);
}

/* 导出渲染视觉 */
.render-visual { position: relative; }
.render-img {
  border-radius: var(--radius-lg);
  box-shadow: 0 36px 70px -30px rgba(74, 66, 172, 0.4);
}
.export-card {
  position: absolute;
  left: -34px;
  bottom: -30px;
  width: 290px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -24px rgba(15, 18, 34, 0.35);
  padding: 18px;
}
.export-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.export-head strong { font-size: 14.5px; }
.export-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--brand);
  background: rgba(124, 92, 255, 0.1);
  border-radius: 999px;
  padding: 3px 10px;
}
.export-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(15, 18, 34, 0.08);
  overflow: hidden;
  margin-bottom: 8px;
}
.export-bar em {
  display: block;
  height: 100%;
  width: 68%;
  border-radius: 999px;
  background: var(--grad-brand);
  animation: progress 3.2s ease-in-out infinite alternate;
}
@keyframes progress {
  from { width: 62%; }
  to { width: 78%; }
}
.export-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.export-formats { display: flex; gap: 8px; }
.export-formats span {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 12px;
}
.export-formats .on {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
}

/* ---------- 安全合规 ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.trust-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.trust-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -28px rgba(74, 66, 172, 0.28); }
.trust-card h3 { font-size: 18px; font-weight: 700; margin: 18px 0 8px; }
.trust-card p { font-size: 14px; color: var(--ink-2); }

/* ---------- 下载 ---------- */
.download-panel {
  position: relative;
  border-radius: 28px;
  padding: 64px 56px;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(720px 340px at 88% -20%, rgba(255, 255, 255, 0.28), transparent 60%),
    radial-gradient(600px 320px at -6% 110%, rgba(94, 234, 212, 0.35), transparent 60%),
    linear-gradient(130deg, #6d4df6 0%, #7c5cff 38%, #38bdf8 100%);
  box-shadow: 0 44px 90px -36px rgba(96, 76, 255, 0.6);
  text-align: center;
}
.download-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(640px 320px at 80% 0%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(640px 320px at 80% 0%, #000, transparent 72%);
  pointer-events: none;
}
.dl-copy { position: relative; }
.dl-copy h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 12px; }
.dl-copy p { color: rgba(255, 255, 255, 0.85); font-size: 16.5px; margin-bottom: 38px; }

.dl-buttons {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  border-radius: 14px;
  padding: 13px 22px;
  min-width: 178px;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 16px 32px -16px rgba(15, 18, 34, 0.4);
}
.dl-btn:hover { transform: translateY(-3px); box-shadow: 0 22px 40px -16px rgba(15, 18, 34, 0.45); }
.dl-btn svg { width: 26px; height: 26px; flex: none; }
.dl-btn span { display: flex; flex-direction: column; line-height: 1.3; }
.dl-btn i { font-style: normal; font-size: 11.5px; color: var(--ink-3); }
.dl-btn b { font-size: 15.5px; font-weight: 700; }

.dl-note {
  position: relative;
  margin-top: 30px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 页脚 ---------- */
.footer {
  background: #0d0f1c;
  color: rgba(255, 255, 255, 0.66);
  padding: 64px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.footer-brand p { font-size: 13.5px; margin-top: 16px; line-height: 1.8; }
.brand-light .brand-name { color: #fff; }
.brand-light .brand-name small { color: rgba(255, 255, 255, 0.45); }

.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 {
  color: #fff;
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 6px;
}
.footer-col a { font-size: 13.5px; color: rgba(255, 255, 255, 0.6); transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-top: 26px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-icp { color: rgba(255, 255, 255, 0.5); transition: color 0.2s ease; }
.footer-icp:hover { color: #fff; }

/* ---------- 进场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: none; }

.feature-grid .reveal:nth-child(2), .trust-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.feature-grid .reveal:nth-child(3), .trust-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.feature-grid .reveal:nth-child(4), .trust-grid .reveal:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .glow, .export-bar em { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-grid { gap: 40px; }
  .editor-body { grid-template-columns: 54px 1fr; }
  .editor-prop { display: none; }
  .feature-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero { padding-top: 128px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-sub { max-width: none; }
  .hero-visual { max-width: 640px; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .split-reverse .split-visual { order: -1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .export-card { left: 12px; bottom: -24px; }
  .section { padding: 80px 0; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .feature-grid, .trust-grid { grid-template-columns: 1fr; }
  .mat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .download-panel { padding: 46px 22px; }
  .dl-btn { width: 100%; }
  .hero-cta .btn { flex: 1; justify-content: center; }
  .editor-title { font-size: 10.5px; }
  .editor-saved { display: none; }
}