/* ============================================================
   Mintaria 萌音 — 官网样式
   编辑式留白排版 · 黑色文字 · 薄荷点缀 · 无外部依赖
   ============================================================ */

:root {
  --paper: #fbfbf8;
  --paper-tint: #f3f5f0;
  --ink: #12160f;
  --ink-soft: #4c554e;
  --ink-faint: #7c857d;
  --line: #e4e7e0;
  --mint: #35c99a;
  --mint-deep: #0e8f68;
  --mint-wash: #e3f6ee;
  --dark: #101513;
  --gold: #d9b978;
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC",
    "Source Han Sans SC", "Hiragino Sans GB", system-ui, -apple-system,
    "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

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

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 200;
  background: var(--dark);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 10px;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease,
    border-color 0.25s ease, transform 0.25s ease;
  min-height: 48px;
}
.btn-primary { background: var(--dark); color: #fff; }
.btn-primary:hover { background: #24302a; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: var(--mint); color: var(--dark); }
.btn-sm { padding: 9px 20px; min-height: 40px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; min-height: 54px; }
.btn-block { width: 100%; }
.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}
.btn[disabled]:hover { background: transparent; color: var(--ink); }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 248, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
}
.brand-mark {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  image-rendering: pixelated;
}
.brand-cn { font-weight: 500; color: var(--ink-soft); margin-left: 2px; }

.main-nav { display: flex; align-items: center; }
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-list a:not(.btn) {
  display: block;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  color: var(--ink-soft);
  transition: color 0.2s ease, background-color 0.2s ease;
}
.nav-list a:not(.btn):hover { color: var(--ink); background: var(--mint-wash); }
.nav-cta-item { margin-left: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 通用版式 ---------- */
.section { padding: 112px 0; }
.section-tint { background: var(--paper-tint); }
.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
.section-narrow { max-width: 860px; }

.eyebrow {
  margin: 0 0 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint-deep);
}

.section-head h2 {
  margin: 0 0 20px;
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-lede {
  margin: 0 0 8px;
  max-width: 620px;
  font-size: 17px;
  color: var(--ink-soft);
}
.section-head { margin-bottom: 52px; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 96px; }
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.beta-tag {
  display: inline-block;
  padding: 3px 12px;
  margin-right: 10px;
  border-radius: 999px;
  background: var(--mint-wash);
  color: var(--mint-deep);
  border: 1px solid #bfe9d8;
  font-size: 13px;
  letter-spacing: 0.06em;
  vertical-align: 2px;
}

.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(44px, 6.4vw, 76px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero-accent {
  position: relative;
  white-space: nowrap;
}
.hero-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.28em;
  background: var(--mint);
  opacity: 0.45;
  z-index: -1;
  border-radius: 3px;
}

.hero-lede {
  margin: 0 0 36px;
  max-width: 480px;
  font-size: 18px;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin: 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-facts dt {
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 2px;
}
.hero-facts dd {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Hero 拼贴 */
.hero-visual { min-width: 0; }
.hero-collage {
  position: relative;
  background: linear-gradient(150deg, #eef7f2 0%, #e6f3ec 55%, #dff0e7 100%);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 44px 36px 92px;
  min-height: 460px;
}
.collage-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(16, 21, 19, 0.14);
  background: #fff;
}
.collage-item img { width: 100%; height: 100%; object-fit: cover; }
.collage-a { width: 46%; }
.collage-b {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 34%;
  transform: rotate(2.5deg);
}
.collage-c {
  position: absolute;
  bottom: 96px;
  right: 52px;
  width: 27%;
  transform: rotate(-2deg);
}
.collage-d {
  width: 26%;
  margin: -13% 0 0 52%;
  transform: rotate(1.5deg);
}
.hero-wave {
  position: absolute;
  left: 36px;
  right: 36px;
  bottom: 40px;
  width: calc(100% - 72px);
  height: 44px;
}
.wave-bars rect { fill: var(--mint-deep); opacity: 0.8; }
.collage-caption {
  position: absolute;
  left: 38px;
  bottom: 14px;
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* ---------- 系列条 ---------- */
.collections-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.strip-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 26px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
}
.strip-item { margin: 0; font-size: 14.5px; color: var(--ink-soft); }
.strip-item strong { color: var(--ink); font-weight: 700; margin-right: 6px; }

/* ---------- 音色库 ---------- */
.voice-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  font-size: 14.5px;
  font-family: inherit;
  cursor: pointer;
  min-height: 42px;
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}
.pill:hover { border-color: var(--ink); color: var(--ink); }
.pill.is-active {
  background: var(--dark);
  border-color: var(--dark);
  color: #fff;
}

.voice-search input {
  width: 240px;
  max-width: 100%;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--ink);
  min-height: 42px;
}
.voice-search input::placeholder { color: var(--ink-faint); }
.voice-search input:focus { outline: 2px solid var(--mint-deep); outline-offset: 1px; border-color: transparent; }

.voice-count {
  margin: 0 0 26px;
  font-size: 14px;
  color: var(--ink-faint);
}

.voice-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 22px;
}
.voice-grid > li { min-width: 0; }

.voice-card {
  width: 100%;
  min-width: 0;
  height: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  padding: 0;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(16, 21, 19, 0.1);
  border-color: #d3d9d0;
}
.voice-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--paper-tint);
}
.voice-card-body { width: 100%; min-width: 0; padding: 16px 18px 18px; }
.voice-card-name {
  margin: 0 0 4px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.voice-card-tag {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.voice-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-free { background: var(--mint-wash); color: var(--mint-deep); }
.badge-plus { background: #efe7f9; color: #6d4fa3; }
.badge-prestige { background: var(--dark); color: var(--gold); }
.voice-card-coll { font-size: 12px; color: var(--ink-faint); }

.voice-empty {
  margin: 40px 0;
  padding: 40px;
  text-align: center;
  color: var(--ink-soft);
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.voice-more {
  margin-top: 32px;
  text-align: center;
}
.voice-more[hidden] { display: none; }

.voices-cta {
  margin-top: 56px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.voices-cta p { margin: 0; flex: 1 1 260px; color: var(--ink-soft); font-size: 15px; }

/* ---------- 方案 ---------- */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.plan-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 38px 34px;
  display: flex;
  flex-direction: column;
}
.plan-card h3 { margin: 0 0 6px; font-size: 22px; }
.plan-price {
  margin: 0 0 8px;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.plan-cycle { font-size: 15px; font-weight: 500; color: var(--ink-faint); }
.plan-desc { margin: 0 0 24px; font-size: 14.5px; color: var(--ink-soft); }
.plan-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  flex: 1;
}
.plan-list li {
  position: relative;
  padding: 7px 0 7px 26px;
  font-size: 15px;
}
.plan-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--mint-deep);
  border-bottom: 2px solid var(--mint-deep);
  transform: rotate(-45deg);
}
.plan-card-dark {
  background: var(--dark);
  border-color: var(--dark);
  color: #f2f4f0;
}
.plan-card-dark .plan-desc { color: #a7b3aa; }
.plan-card-dark .plan-cycle { color: #a7b3aa; }
.plan-card-dark .plan-list li::before { border-color: var(--gold); }

/* ---------- 下载 ---------- */
.download-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
}
.download-spec {
  margin: 0 0 24px;
  font-size: 14px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}
.download-sources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.download-source {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 108px;
  padding: 20px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.download-source:hover:not([disabled]) {
  transform: translateY(-3px);
  border-color: var(--mint-deep);
  box-shadow: 0 14px 30px rgba(16, 21, 19, 0.1);
}
.download-source[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
}
.source-name { font-weight: 700; }
.source-action { font-size: 13px; color: var(--ink-faint); }
a.download-source .source-action { color: var(--mint-deep); font-weight: 600; }
code {
  background: var(--paper-tint);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 0.92em;
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 26px;
  font-size: 16.5px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink-soft);
  border-bottom: 2px solid var(--ink-soft);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-top: -4px;
}
.faq-item[open] summary::after { transform: rotate(-135deg); margin-top: 4px; }
.faq-body { padding: 0 26px 22px; }
.faq-body h3 { margin: 16px 0 6px; font-size: 15.5px; }
.faq-body h3:first-child { margin-top: 0; }
.faq-body p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }

/* ---------- 结尾 CTA ---------- */
.closing {
  background: var(--dark);
  color: #f2f4f0;
  text-align: center;
}
.closing h2 {
  margin: 0 0 36px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.closing .btn-primary { background: var(--mint); color: var(--dark); }
.closing .btn-primary:hover { background: #5dd8ae; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--dark);
  color: #a7b3aa;
  border-top: 1px solid #222a26;
  padding: 56px 0 40px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px 64px;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-name { margin: 0 0 4px; font-size: 18px; font-weight: 700; color: #f2f4f0; }
.footer-name .brand-mark {
  display: inline-block;
  width: 22px;
  height: 22px;
  vertical-align: -5px;
  margin-right: 6px;
}
.footer-by { margin: 0; font-size: 14px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.footer-nav a, .footer-contact a {
  color: #a7b3aa;
  text-decoration: none;
  font-size: 14.5px;
  transition: color 0.2s ease;
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--mint); }
.footer-contact { display: flex; flex-direction: column; gap: 6px; }
.footer-fine {
  max-width: var(--max);
  margin: 40px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid #222a26;
  font-size: 13px;
  color: #6b7670;
}

/* ---------- 音色详情对话框 ---------- */
.voice-dialog {
  border: none;
  border-radius: 24px;
  padding: 0;
  max-width: 640px;
  width: calc(100% - 48px);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 30px 80px rgba(16, 21, 19, 0.3);
}
.voice-dialog::backdrop { background: rgba(16, 21, 19, 0.45); backdrop-filter: blur(3px); }
.dialog-body {
  position: relative;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
}
.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}
.dialog-close:hover { background: var(--paper-tint); }
.dialog-media { background: var(--paper-tint); }
.dialog-media img { width: 100%; height: 100%; object-fit: cover; }
.dialog-info { padding: 34px 32px 30px; }
.dialog-tier { margin: 0 0 8px; }
.dialog-info h3 { margin: 0 0 6px; font-size: 26px; letter-spacing: -0.01em; }
.dialog-tagline { margin: 0 0 20px; color: var(--ink-soft); font-size: 15px; }
.dialog-meta {
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
}
.dialog-meta div { display: flex; gap: 12px; }
.dialog-meta dt { color: var(--ink-faint); flex: none; width: 40px; }
.dialog-meta dd { margin: 0; }
.dialog-credit { margin: 0 0 18px; font-size: 13.5px; color: var(--mint-deep); font-weight: 600; }
.dialog-hint { margin: 14px 0 0; font-size: 13px; color: var(--ink-faint); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 48px 0 72px; }
  .hero-collage { min-height: 400px; }
  .plan-grid, .download-sources { grid-template-columns: 1fr; }
  .section { padding: 84px 0; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 20px; height: 64px; }
  .nav-toggle { display: flex; }
  .nav-list {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 16px 20px 22px;
    display: none;
  }
  .nav-list.is-open { display: flex; }
  .nav-list a:not(.btn) { padding: 13px 16px; font-size: 16px; }
  .nav-cta-item { margin: 8px 0 0; }
  .nav-cta-item .btn { width: 100%; }
  .section-inner { padding: 0 20px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 38px; }
  .voice-toolbar { flex-direction: column; align-items: stretch; }
  .voice-search input { width: 100%; }
  .voice-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
  .hero-facts { gap: 26px; }
  .download-panel { padding: 30px 22px; }
  .dialog-body { grid-template-columns: 1fr; }
  .dialog-media img { aspect-ratio: 1; max-height: 300px; }
  .strip-inner { padding: 20px; gap: 8px 28px; }
}

@media (max-width: 400px) {
  .voice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .hero h1 { font-size: 38px; }
  .hero-actions .btn { width: 100%; }
  .hero-facts { gap: 20px; }
  .hero-facts dd { font-size: 22px; }
  .hero-collage { padding: 24px 18px 80px; min-height: 330px; }
  .collage-b { right: 16px; top: 18px; }
  .collage-c { right: 28px; bottom: 86px; }
  .hero-wave { left: 18px; right: 18px; width: calc(100% - 36px); }
  .collage-caption { left: 20px; }
  .plan-card { padding: 28px 22px; }
  .download-panel { padding: 26px 20px; }
}

/* ---------- 动效与减少动态 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .wave-bars rect {
    animation: wave-pulse 3.2s ease-in-out infinite;
    transform-origin: center;
    transform-box: fill-box;
  }
  .wave-bars rect:nth-child(3n) { animation-delay: 0.5s; }
  .wave-bars rect:nth-child(3n + 1) { animation-delay: 1.1s; }
  .wave-bars rect:nth-child(4n) { animation-delay: 1.7s; }
  @keyframes wave-pulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.72); }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}