/* 随响 FollowSound —— 站点样式
   视觉基调：近黑底 + 白字 + 青色（深海配色）作为唯一强调色，
   信息层级靠字号与留白拉开，不靠阴影和圆角堆叠。 */

:root {
  --bg: #08090c;
  --bg-soft: #0c0e13;
  --card: #10131a;
  --line: rgba(255, 255, 255, .085);
  --line-strong: rgba(255, 255, 255, .16);
  --fg: #eef1f6;
  --muted: #8a93a3;
  --dim: #5f6878;
  --accent: #1fd2e6;
  --accent-soft: rgba(31, 210, 230, .12);
  --warn: #f0b45a;
  --radius: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
        "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* 给常驻底部的演示坞让位，避免遮住页脚内容；实际高度由 JS 量出来写进 --dock-h */
  padding-bottom: var(--dock-h, 200px);
}

/* 顶部一层极淡的光雾，避免整页死黑 */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 70vh;
  background: radial-gradient(60% 50% at 50% 0%, rgba(31, 210, 230, .10), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

main, header, footer { position: relative; z-index: 1; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 56px);
  backdrop-filter: blur(16px);
  background: rgba(8, 9, 12, .72);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px; font-size: 15px; letter-spacing: .01em; }
.brand-text b { font-weight: 500; color: var(--muted); margin-left: 4px; letter-spacing: .02em; }

/* 声波标：7 根柱子，用 --h 控制高度 */
.brand-mark {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 18px;
}
.brand-mark i {
  display: block;
  width: 2.5px;
  height: calc(18px * var(--h));
  background: #fff;
  border-radius: 2px;
  opacity: .92;
}
.brand-mark.small { height: 14px; }
.brand-mark.small i { width: 2px; height: calc(14px * var(--h)); }

.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; color: var(--muted); }
.nav-links a:hover { color: var(--fg); }
.nav-links .ghost {
  border: 1px solid var(--line-strong);
  padding: 5px 12px;
  border-radius: 999px;
}

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) clamp(20px, 5vw, 56px) clamp(40px, 6vw, 80px);
}
.hero-copy { max-width: 40em; margin: 0 auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 26px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 600;
  margin: 0 0 22px;
}
h1 em, h2 em {
  font-style: italic;
  font-weight: 300;
  color: #fff;
  letter-spacing: -.01em;
}

.lede { color: var(--muted); font-size: clamp(15px, 1.15vw, 17px); max-width: 34em; margin: 0 auto 30px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; justify-content: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 14.5px;
  color: var(--fg);
  background: rgba(255, 255, 255, .03);
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, .3); }
.btn.primary { background: #fff; color: #08090c; border-color: #fff; font-weight: 600; }
.btn.primary:hover { background: #eafcff; }
.btn.full { width: 100%; margin-top: auto; }
.btn .arrow { font-size: 13px; opacity: .6; }
/* 首屏的麦克风入口：文案本身就是提示，读起来不像促销按钮 */
.btn.mic { font-size: 13.5px; color: var(--muted); background: transparent; }
.btn.mic:hover { color: var(--fg); }
.btn.mic.is-on { color: #eafcff; border-color: rgba(31, 210, 230, .45); background: var(--accent-soft); }

.hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  padding: 0;
  margin: 26px 0 0;
  font-size: 13px;
  color: var(--dim);
}
.hero-meta li::before { content: "·"; margin-right: 8px; color: var(--dim); }
.hero-meta li:first-child::before { content: ""; margin: 0; }

/* ---------- 底部演示坞（常驻视口底边，参照 App 的贴底光带） ---------- */
.dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 30;
  background: linear-gradient(180deg, rgba(8, 9, 12, .84), rgba(8, 9, 12, .97) 40%);
  backdrop-filter: blur(18px) saturate(1.1);
  border-top: 1px solid var(--line-strong);
  box-shadow: 0 -24px 60px rgba(0, 0, 0, .5);
}
.dock-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(14px, 5vw, 56px);
}

/* 控制条：开关 / 状态 / 特效 */
.dock-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 14px;
  padding: 9px 0 8px;
}
.dock-status {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 200px;
  min-width: 0;
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
}
.dock-status .dot {
  flex: none;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--dim);
  transition: background .2s ease, box-shadow .2s ease;
}
.dock-status span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dock.is-live .dock-status { color: var(--fg); }
.dock.is-live .dock-status .dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
/* 权限没给 / 没信号：状态文字转暖色，别再让人以为只是演示在做动画 */
.dock.is-err .dock-status { color: var(--warn); }
.dock.is-err .dock-status .dot { background: var(--warn); box-shadow: none; }

.dock-styles { display: flex; gap: 5px; overflow-x: auto; scrollbar-width: none; }
.dock-styles::-webkit-scrollbar { display: none; }
.dock-styles button {
  flex: none;
  font: inherit;
  font-size: 11.5px;
  color: var(--dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .14s ease;
}
.dock-styles button:hover { color: var(--fg); border-color: var(--line-strong); }
.dock-styles button.on { color: #08090c; background: #fff; border-color: #fff; }

/* 光带舞台 */
.dock-stage {
  position: relative;
  height: clamp(72px, 8.4vw, 104px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  background:
    radial-gradient(78% 130% at 50% 116%, rgba(31, 210, 230, .12), transparent 66%),
    #05060a;
}
.dock-stage canvas { width: 100%; height: 100%; display: block; }
.dock-tag {
  position: absolute;
  top: 9px; left: 11px;
  pointer-events: none;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  background: rgba(8, 9, 12, .55);
}

/* 折叠按钮：贴在光带右上角，收起后仍可见 */
.dock-toggle {
  position: absolute;
  top: 6px; right: 8px;
  width: 24px; height: 24px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 9, 12, .72);
  color: var(--muted);
  cursor: pointer;
  z-index: 2;
  transition: color .14s ease, border-color .14s ease;
}
.dock-toggle:hover { color: var(--fg); border-color: var(--line-strong); }
.dock-toggle svg { transition: transform .2s ease; }

/* 收起状态：只留光带动效，隐藏开关、状态、特效与配色 */
.dock.is-collapsed .dock-bar,
.dock.is-collapsed .dock-swatches { display: none; }
.dock.is-collapsed .dock-toggle svg { transform: rotate(180deg); }
/* 收起后不铺深色底板、不留投影和框线：光直接叠在正文上，正文不再被挡住。
   只留一层极淡的底衬（顶部全透明、往下才有一点暗色），让被光压住的字还能读；
   pointer-events 交还给页面，收起状态下底下这段文字/链接仍可正常点击 */
.dock.is-collapsed {
  background: linear-gradient(180deg,
    rgba(6, 7, 10, 0) 0%,
    rgba(6, 7, 10, .14) 42%,
    rgba(6, 7, 10, .52) 100%);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-top: 0;
  box-shadow: none;
  pointer-events: none;
}
.dock.is-collapsed .dock-stage {
  border: 0;
  border-radius: 0;
  background: none;
}
.dock.is-collapsed .dock-toggle { pointer-events: auto; }
.dock.is-collapsed .dock-inner { padding-bottom: 10px; }

/* 开关控件 */
.switch {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: none;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  transition: color .16s ease;
}
.switch:hover { color: var(--fg); }
.switch .track {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .18);
  transition: background .18s ease, border-color .18s ease;
}
.switch .knob {
  position: absolute;
  left: 2px; top: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #dde3ec;
  transition: transform .2s cubic-bezier(.32, .72, .28, 1), background .18s ease;
}
.switch[aria-checked="true"] { color: var(--fg); }
.switch[aria-checked="true"] .track {
  background: var(--accent-soft);
  border-color: rgba(31, 210, 230, .55);
}
.switch[aria-checked="true"] .knob { transform: translateX(16px); background: var(--accent); }
.switch:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 999px; }

/* ---------- 通用区块 ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 110px) clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--line);
}

.sec-head { margin-bottom: clamp(28px, 4vw, 52px); }
.sec-head .num {
  display: block;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--dim);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
h2 {
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.25;
  letter-spacing: -.015em;
  font-weight: 600;
  margin: 0 0 14px;
}
.sec-head p { color: var(--muted); max-width: 46em; margin: 0; font-size: 15.5px; }

/* ---------- 02 功能 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, .022), rgba(255, 255, 255, 0));
  padding: clamp(20px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature.wide {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
}
.f-copy { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.f-tag {
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: .9;
}
.feature h3 {
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.35;
  margin: 0;
  font-weight: 600;
  letter-spacing: -.01em;
}
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

.f-vis { flex: 0 0 46%; display: flex; flex-direction: column; gap: 10px; }
.meter {
  height: 10px; border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  overflow: hidden;
}
.meter span {
  display: block; height: 100%; width: 62%;
  background: linear-gradient(90deg, rgba(31, 210, 230, .3), var(--accent));
  border-radius: 999px;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { width: 28%; opacity: .7; }
  45% { width: 88%; opacity: 1; }
  70% { width: 54%; opacity: .85; }
}
.f-vis-label { font-size: 11.5px; letter-spacing: .12em; color: var(--dim); }

.slider-mock {
  position: relative; height: 4px; border-radius: 999px;
  background: rgba(255, 255, 255, .1); margin-top: 6px;
}
.slider-mock span {
  position: absolute; left: 0; top: 0; height: 100%; width: 46%;
  background: #fff; border-radius: 999px;
}
.slider-mock span::after {
  content: ""; position: absolute; right: -7px; top: 50%;
  width: 14px; height: 14px; margin-top: -7px;
  border-radius: 50%; background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .12);
}

.f-vis.platform { flex: 0 0 44%; gap: 8px; }
.f-vis.platform > div {
  display: flex; justify-content: space-between; align-items: baseline;
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; font-size: 13.5px;
}
.f-vis.platform b { font-weight: 600; }
.f-vis.platform span { color: var(--dim); font-size: 12.5px; }

/* ---------- 24 套配色（坞内，紧贴光带下方） ---------- */
.dock-swatches {
  display: flex;
  gap: 6px;
  padding: 9px 0 11px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  /* 两侧淡出，提示这一行还能往两边滑 */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14px, #000 calc(100% - 14px), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 14px, #000 calc(100% - 14px), transparent);
}
.dock-swatches::-webkit-scrollbar { display: none; }
.swatch {
  flex: none;
  width: 88px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 6px 7px;
  cursor: pointer;
  background: transparent;
  text-align: left;
  color: var(--muted);
  font: inherit;
  transition: all .14s ease;
}
.swatch:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.swatch.on { border-color: #fff; color: var(--fg); }
.swatch .chips { display: flex; gap: 3px; margin-bottom: 5px; }
.swatch .chips i {
  display: block;
  flex: 1;
  height: 9px;
  border-radius: 3px;
}
.swatch .nm {
  display: block;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 配色 / 特效按钮：只在窄屏出现（宽屏坞里已经全部铺开），点开弹面板 */
.dock-picks {
  display: none;
  flex: none;
  align-items: center;
  gap: 6px;
}
.dock-style-btn {
  flex: none;
  font: inherit;
  font-size: 11.5px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .14s ease, border-color .14s ease;
}
.dock-style-btn:hover { color: var(--fg); border-color: var(--line-strong); }
.dock-theme-btn {
  display: none;
  flex: none;
  place-items: center;
  width: 32px; height: 22px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: border-color .14s ease;
}
.dock-theme-btn:hover { border-color: var(--line-strong); }
.dock-theme-btn .tb-chip {
  display: block;
  width: 18px; height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #1fd2e6, #2b5cff);
}

/* 配色面板 */
.theme-sheet { position: fixed; inset: 0; z-index: 60; }
.theme-sheet[hidden] { display: none; }
.sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 3, 5, .62);
  animation: sheetFade .18s ease both;
}
.sheet-panel {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  max-height: 66vh;
  display: flex;
  flex-direction: column;
  /* 半透明毛玻璃：面板背后的页面还看得见，不至于像一整块板子压下来 */
  background: rgba(10, 11, 15, .74);
  backdrop-filter: blur(24px) saturate(1.15);
  -webkit-backdrop-filter: blur(24px) saturate(1.15);
  border-top: 1px solid var(--line-strong);
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -20px 60px rgba(0, 0, 0, .6);
  animation: sheetUp .22s cubic-bezier(.22, .8, .3, 1) both;
  padding-bottom: env(safe-area-inset-bottom);
}
.sheet-head {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px 11px;
  border-bottom: 1px solid var(--line);
}
.sheet-title { font-size: 13.5px; letter-spacing: .06em; color: var(--fg); }
.sheet-close {
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}
.sheet-close:hover { color: var(--fg); border-color: var(--line-strong); }
.sheet-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 16px 18px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.sheet-grid .swatch { width: auto; min-width: 0; }

/* 特效列表：七项，两列排开，靠边框和反白表示当前选中 */
.sheet-styles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 14px 16px 20px;
}
.sheet-styles button {
  font: inherit;
  font-size: 13px;
  text-align: left;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 13px;
  cursor: pointer;
  transition: all .14s ease;
}
.sheet-styles button:hover { color: var(--fg); border-color: var(--line-strong); }
.sheet-styles button.on { color: #08090c; background: #fff; border-color: #fff; }

@keyframes sheetUp { from { transform: translateY(20px); opacity: 0; } }
@keyframes sheetFade { from { opacity: 0; } }

/* 窄屏：坞里的横滑色块与 7 个特效胶囊都收起来，改用按钮 + 面板，省下约 55px 高度 */
@media (max-width: 1023px) {
  .dock-swatches { display: none; }
  .dock-styles { display: none; }
  .dock-picks { display: flex; }
  .dock-theme-btn { display: inline-grid; }
}


/* ---------- 04 定价 ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.price-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: clamp(22px, 2.6vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.price-card.free {
  border-color: rgba(31, 210, 230, .3);
  background:
    radial-gradient(90% 80% at 50% -20%, rgba(31, 210, 230, .14), transparent 60%),
    var(--bg-soft);
}
.price-head h3 { margin: 0 0 8px; font-size: 15px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.price { font-size: clamp(36px, 4vw, 52px); line-height: 1; font-weight: 600; letter-spacing: -.02em; }
.price .cur { font-size: .45em; vertical-align: super; margin-right: 2px; font-weight: 500; }
.price .per { font-size: 14px; color: var(--dim); font-weight: 400; letter-spacing: 0; margin-left: 8px; }
.price-sub { color: var(--muted); font-size: 13.5px; margin: 10px 0 0; }
.price-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 9px;
  font-size: 14px; color: #cbd3e1;
}
.price-list li { position: relative; padding-left: 20px; }
.price-list li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 9px; margin-top: -4.5px;
  border-radius: 2px;
  background: var(--accent);
  opacity: .85;
}
.price-card.support .price-list li::before { background: var(--dim); }
.tiny-note { font-size: 12px; color: var(--dim); margin: 10px 0 0; }

/* ---------- 05 下载 ---------- */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.dl-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.2vw, 28px);
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dl-os {
  font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent);
}
.dl-card h3 { margin: 0; font-size: 19px; font-weight: 600; }
.dl-meta { margin: 0; font-size: 12.5px; color: var(--dim); }
.dl-card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 13.5px; display: grid; gap: 5px; }
.dl-card ul li::marker { color: var(--dim); }

.release-bar {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px; color: #cbd3e1;
}
.release-bar a { color: var(--accent); }
.muted { color: var(--dim); }

/* ---------- 06 时间线 ---------- */
.timeline { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 1px solid var(--line); display: grid; gap: 26px; }
.timeline li { position: relative; }
.timeline li::before {
  content: ""; position: absolute; left: -23px; top: 7px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(31, 210, 230, .12);
}
.t-ver { font-size: 15px; font-weight: 600; }
.badge {
  font-size: 11px; letter-spacing: .08em;
  border: 1px solid rgba(31, 210, 230, .4);
  color: var(--accent);
  border-radius: 999px; padding: 1px 8px; margin-left: 8px;
  vertical-align: 2px;
}
.t-date { font-size: 12.5px; color: var(--dim); margin-top: 3px; }
.timeline p { color: var(--muted); font-size: 14px; margin: 8px 0 0; max-width: 58em; }

/* ---------- 07 FAQ ---------- */
.qa { display: grid; gap: 0; border-top: 1px solid var(--line); }
.qa details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.qa summary {
  cursor: pointer; list-style: none;
  font-size: 15.5px; font-weight: 500;
  display: flex; justify-content: space-between; gap: 16px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--dim); }
.qa details[open] summary::after { content: "−"; }
.qa p { color: var(--muted); font-size: 14px; margin: 10px 0 0; max-width: 56em; }

/* ---------- 页脚 ---------- */
.foot {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px clamp(20px, 5vw, 56px) 64px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.foot-brand { display: flex; align-items: center; gap: 10px; color: var(--fg); }
.foot-links { display: flex; gap: 18px; }
.foot-links a:hover { color: var(--fg); }
.foot-note { color: var(--dim); font-size: 12px; width: 100%; }

/* 宽屏且有高度：24 套配色排成两行十二列，一屏看全，不用横向滑动 */
@media (min-width: 1024px) and (min-height: 700px) {
  .dock-swatches {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    overflow-x: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .swatch { width: auto; min-width: 0; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .feature.wide { flex-direction: column; align-items: flex-start; }
  .f-vis, .f-vis.platform { flex: none; width: 100%; }
  .dl-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.ghost) { display: none; }
  /* 特效名字挪到单独一行横向滚动，别把状态文字挤没 */
  .dock-styles { order: 3; flex: 1 1 100%; }
}

@media (max-width: 720px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature.wide { grid-column: span 1; }
  .hero-meta { font-size: 12px; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  .btn.mic { font-size: 12.5px; padding: 10px 16px; }
  .dock-stage { height: 78px; }
  .swatch { width: 80px; }
}

/* 横屏手机或矮窗口：坞压薄一点，别占掉半屏 */
@media (max-height: 620px) {
  .dock-bar { padding: 6px 0; }
  .dock-stage { height: 62px; }
  .dock-swatches { padding: 7px 0 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
}