/* =========================================================
   DJ 舞曲盒 — 下载落地页样式
   设计基调：深色 + 霓虹粉紫（与 App 首页一致）
   ========================================================= */

:root {
  --bg: #08060c;
  --bg-soft: #0d0a14;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.1);
  --line-soft: rgba(255, 255, 255, 0.06);

  --rose: #ff2d78;
  --rose-soft: #ff7ab0;
  --violet: #8b5cf6;
  --violet-soft: #b79bff;
  --amber: #ffb648;

  --text: #f5f2f8;
  --muted: #a89db6;
  --muted-dim: #7d7488;

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;

  --wrap: 1160px;
  --shadow-lg: 0 30px 80px -20px rgba(255, 45, 120, 0.35), 0 10px 40px -10px rgba(0, 0, 0, 0.8);

  --ease: cubic-bezier(0.22, 0.68, 0.28, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 全站氛围光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(139, 92, 246, 0.22), transparent 65%),
    radial-gradient(760px 460px at 8% 6%, rgba(255, 45, 120, 0.18), transparent 62%),
    radial-gradient(1000px 700px at 50% 108%, rgba(139, 92, 246, 0.12), transparent 70%);
}

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

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

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--rose-soft);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--rose);
  color: #fff;
  font-size: 14px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}
.wrap--narrow { max-width: 820px; }

/* =========================== 导航 =========================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(8, 6, 12, 0.55);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav.is-scrolled {
  background: rgba(8, 6, 12, 0.86);
  border-bottom-color: var(--line-soft);
}

.nav__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  flex: 0 0 auto;
}
.brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(140deg, var(--rose), var(--violet));
  box-shadow: 0 6px 18px -6px rgba(255, 45, 120, 0.8);
}
.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.brand__name { font-size: 16px; }

.nav__links {
  display: flex;
  gap: 26px;
  margin-left: 14px;
  font-size: 14.5px;
  color: var(--muted);
}
.nav__links a { transition: color 0.2s var(--ease); }
.nav__links a:hover { color: var(--text); }

.nav__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  padding: 0;
  place-items: center;
  gap: 5px;
}
.nav__toggle span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 8px 24px 20px;
  gap: 4px;
  border-top: 1px solid var(--line-soft);
}
.nav__mobile a {
  padding: 12px 4px;
  font-size: 16px;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}
.nav__mobile a:last-child { border-bottom: 0; }

/* =========================== 按钮 =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
    background 0.22s var(--ease), border-color 0.22s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--rose), #c026e0 90%);
  box-shadow: 0 14px 34px -14px rgba(255, 45, 120, 0.9);
}
.btn--primary:hover { box-shadow: 0 20px 44px -14px rgba(255, 45, 120, 0.95); }

.btn--outline {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.03);
}
.btn--outline:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.07);
}

.btn--ghost { color: var(--muted); }
.btn--ghost:hover { color: var(--text); background: var(--panel); }

.btn--sm { padding: 9px 16px; font-size: 13.5px; }
.btn--lg { padding: 15px 28px; font-size: 16px; }
.btn--block { width: 100%; }

/* =========================== 通用排版 =========================== */
.section { padding: 108px 0; position: relative; }

/* sticky 导航遮挡锚点，留出偏移 */
[id] { scroll-margin-top: 84px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--rose-soft);
  margin-bottom: 18px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 4px rgba(255, 45, 120, 0.16);
}

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 14px;
}
.section-head--left { margin-bottom: 34px; }
.section-sub { color: var(--muted); font-size: 17px; }

.grad {
  background: linear-gradient(100deg, #ff5c9d 0%, #b06bff 55%, #7c5cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =========================== HERO =========================== */
.hero {
  position: relative;
  padding: 86px 0 96px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -180px;
  right: -140px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 45, 120, 0.34), rgba(139, 92, 246, 0.16) 45%, transparent 68%);
  filter: blur(30px);
  animation: floaty 12s ease-in-out infinite;
  pointer-events: none;
}
@keyframes floaty {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-24px, 26px, 0) scale(1.06); }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 5.4vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}
.lede {
  color: var(--muted);
  font-size: 17.5px;
  max-width: 32em;
  margin-bottom: 34px;
  text-wrap: pretty;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--muted-dim);
}
.hero__meta li { position: relative; }
.hero__meta li + li::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--muted-dim);
  transform: translateY(-50%);
}

/* 手机外观 */
.hero__stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
}

.phone {
  position: relative;
  border-radius: 46px;
  padding: 9px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.04) 40%, rgba(255, 45, 120, 0.22));
  box-shadow: var(--shadow-lg);
}
.phone::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}
.phone img {
  width: 100%;
  border-radius: 38px;
  display: block;
}

.phone--hero {
  width: min(320px, 78vw);
  transform: rotate(-3deg);
  transition: transform 0.6s var(--ease);
}
.hero__stage:hover .phone--hero { transform: rotate(0deg) translateY(-6px); }

/* 浮动卡片 */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(20, 16, 28, 0.82);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.9);
  font-size: 13px;
  animation: bob 6s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.float-card__body { display: flex; flex-direction: column; line-height: 1.35; }
.float-card__body strong { font-size: 13.5px; font-weight: 600; }
.float-card__body span { color: var(--muted-dim); font-size: 11.5px; }

.float-card--now {
  left: -6%;
  bottom: 84px;
  max-width: 290px;
  flex-wrap: wrap;
  animation-delay: -1s;
}
.float-card--now .float-card__body { flex: 1 1 auto; }
.float-card__bar {
  flex: 1 0 100%;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.float-card__bar b {
  display: block;
  height: 100%;
  width: 42%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--rose), var(--violet-soft));
}

.float-card--hot {
  right: -2%;
  top: 62px;
  animation-delay: -3s;
}

/* 播放中均衡器 */
.eq {
  display: inline-flex;
  align-items: flex-end;
  gap: 2.5px;
  height: 20px;
  width: 20px;
  flex: 0 0 auto;
}
.eq i {
  flex: 1;
  background: linear-gradient(180deg, var(--rose-soft), var(--violet));
  border-radius: 2px;
  animation: eq 1s ease-in-out infinite;
}
.eq i:nth-child(2) { animation-delay: 0.2s; }
.eq i:nth-child(3) { animation-delay: 0.45s; }
.eq i:nth-child(4) { animation-delay: 0.65s; }
@keyframes eq {
  0%, 100% { height: 22%; }
  50% { height: 100%; }
}

/* 温度徽章 */
.temp {
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  color: #fff;
  white-space: nowrap;
}
.temp--cool { background: rgba(56, 189, 248, 0.22); color: #7dd3fc; }
.temp--warm { background: rgba(250, 204, 21, 0.2); color: #facc15; }
.temp--hot { background: rgba(251, 146, 60, 0.22); color: #fdba74; }
.temp--fire { background: linear-gradient(135deg, var(--rose), #ff8a3d); color: #fff; }

/* =========================== 五个入口 =========================== */
.entries {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-bottom: 22px;
}
.entry {
  padding: 26px 18px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  text-align: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    background 0.3s var(--ease);
}
.entry:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
  background: var(--panel-strong);
}
.entry__icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.9);
}
.entry__icon svg { width: 27px; height: 27px; }
.entry__icon--1 { background: linear-gradient(140deg, #35d0ba, #12a594); }
.entry__icon--2 { background: linear-gradient(140deg, #ffd45c, #ffb020); }
.entry__icon--3 { background: linear-gradient(140deg, #ff6fa5, #ff2d78); }
.entry__icon--4 { background: linear-gradient(140deg, #a98bff, #7c4dff); }
.entry__icon--5 { background: linear-gradient(140deg, #ff85c8, #d92ce0); }

.entry h3 { font-size: 16.5px; margin-bottom: 6px; }
.entry p { color: var(--muted-dim); font-size: 13px; line-height: 1.5; }

/* =========================== 特性卡片 =========================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line-soft);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: rgba(255, 255, 255, 0.16); }
.card__head { margin-bottom: 16px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }

.chip {
  display: inline-block;
  align-self: flex-start;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 11px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}
.chip--hot {
  color: #ffd2e2;
  background: linear-gradient(135deg, rgba(255, 45, 120, 0.3), rgba(139, 92, 246, 0.28));
  border-color: rgba(255, 45, 120, 0.4);
}

.temps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.temps .temp { font-size: 12px; padding: 5px 11px; }

.author-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--muted);
}
.author-strip li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-soft);
}
.avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--rose), var(--violet));
}

.mini-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(10, 8, 16, 0.7);
  border: 1px solid var(--line-soft);
}
.mini-bar__art {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex: 0 0 auto;
  background:
    radial-gradient(circle at 50% 50%, #1a1622 30%, transparent 31%),
    conic-gradient(from 0deg, #ff2d78, #8b5cf6, #ff2d78);
}
.mini-bar__body { flex: 1; min-width: 0; }
.mini-bar__body b {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mini-bar__body i {
  display: block;
  height: 3px;
  margin-top: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--rose) 45%, rgba(255, 255, 255, 0.14) 45%);
}
.mini-bar__play {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 9px;
  color: #fff;
  background: linear-gradient(135deg, var(--rose), #c026e0);
}

/* =========================== 截图画廊 =========================== */
.section--screens { overflow: hidden; }

.screens { text-align: center; }

.screens__tabs {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  margin-bottom: 44px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  flex-wrap: wrap;
  justify-content: center;
}
.tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: color 0.22s var(--ease), background 0.22s var(--ease);
}
.tab:hover { color: var(--text); }
.tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--rose), #b32ce0);
  box-shadow: 0 10px 26px -12px rgba(255, 45, 120, 0.95);
}

.screens__stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
}
.screens__stage::before {
  content: "";
  position: absolute;
  width: min(620px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 45, 120, 0.16), rgba(139, 92, 246, 0.1) 45%, transparent 68%);
  filter: blur(28px);
  pointer-events: none;
  z-index: -1;
}

.phone--stage {
  width: min(282px, 72vw);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}
.phone--stage.is-swapping { opacity: 0; transform: translateY(10px) scale(0.985); }

.stage-arrow {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.22s var(--ease), transform 0.22s var(--ease),
    border-color 0.22s var(--ease);
}
.stage-arrow:hover {
  background: var(--panel-strong);
  border-color: rgba(255, 255, 255, 0.24);
  transform: scale(1.06);
}

.screens__caption { max-width: 560px; margin: 34px auto 0; }
.screens__caption h3 { font-size: 22px; margin-bottom: 10px; }
.screens__caption p { color: var(--muted); font-size: 15.5px; }

/* =========================== 播放器段 =========================== */
.player__inner {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  align-items: center;
}
.player__media {
  position: relative;
  display: grid;
  place-items: center;
}
.phone--player { width: min(300px, 74vw); }
.disc-glow {
  position: absolute;
  inset: 8% 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 214, 170, 0.22), transparent 66%);
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}

.check-list { display: grid; gap: 18px; max-width: 34em; }
.check-list li {
  position: relative;
  padding-left: 36px;
  color: var(--muted);
  font-size: 15.5px;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 13 4 4 10-10'/%3E%3C/svg%3E")
      center / 12px no-repeat,
    linear-gradient(135deg, var(--rose), var(--violet));
  box-shadow: 0 6px 16px -8px rgba(255, 45, 120, 0.9);
}
.check-list b {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

/* =========================== 数据条 =========================== */
.stats {
  padding: 44px 0;
  border-block: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255, 45, 120, 0.06), transparent);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat b {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #fff, #ffb3d1 60%, #c9b6ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { color: var(--muted-dim); font-size: 13.5px; }

/* =========================== 下载 =========================== */
.section--download { padding-top: 96px; }

.dl-grid {
  display: grid;
  grid-template-columns: 1.06fr 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.dl-card {
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.022));
  border: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.dl-card:hover { transform: translateY(-5px); border-color: rgba(255, 255, 255, 0.16); }
.dl-card--main {
  background: linear-gradient(180deg, rgba(255, 45, 120, 0.16), rgba(139, 92, 246, 0.08));
  border-color: rgba(255, 45, 120, 0.32);
  box-shadow: 0 26px 60px -34px rgba(255, 45, 120, 0.9);
}
.dl-card h3 { font-size: 22px; }
.dl-card__sub { color: var(--muted); font-size: 14px; min-height: 2.7em; }
.dl-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12.5px;
  color: var(--muted-dim);
  margin-top: 2px;
}
.dl-card__meta li { position: relative; }

.qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 4px 0 2px;
}
.qr__code {
  width: 148px;
  height: 148px;
  border-radius: 14px;
  background: #fff;
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(21, 1fr);
  grid-template-rows: repeat(21, 1fr);
  gap: 1px;
  box-shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.9);
}
.qr__code i { background: transparent; border-radius: 1px; }
.qr__code i.on { background: #0b0810; }
.qr__hint { font-size: 12.5px; color: var(--muted-dim); }

.dl-note {
  margin-top: 26px;
  text-align: center;
  font-size: 13px;
  color: var(--muted-dim);
}

/* =========================== FAQ =========================== */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--panel);
  padding: 4px 24px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.faq-item[open] {
  border-color: rgba(255, 45, 120, 0.28);
  background: linear-gradient(180deg, rgba(255, 45, 120, 0.08), rgba(255, 255, 255, 0.02));
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  margin-left: auto;
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item p {
  color: var(--muted);
  font-size: 15px;
  padding: 0 0 20px;
  max-width: 62ch;
}

/* =========================== 更新记录 =========================== */
.log {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: 34px;
  list-style: none;
}
/* 时间线竖线 */
.log::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--rose), rgba(139, 92, 246, 0.55) 45%, rgba(255, 255, 255, 0.06));
}

.log__item {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--panel);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.log__item:hover { border-color: rgba(255, 255, 255, 0.16); }

/* 时间线圆点 */
.log__dot {
  position: absolute;
  left: -30px;
  top: 21px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 2px solid rgba(255, 255, 255, 0.22);
}

.log__item.is-latest {
  border-color: rgba(255, 45, 120, 0.3);
  background: linear-gradient(180deg, rgba(255, 45, 120, 0.1), rgba(255, 255, 255, 0.02));
}
.log__item.is-latest .log__dot {
  background: linear-gradient(135deg, var(--rose), #b32ce0);
  border-color: transparent;
  box-shadow: 0 0 0 4px rgba(255, 45, 120, 0.16);
}

.log__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  width: 100%;
  padding: 16px 20px;
  border: 0;
  border-radius: var(--radius);
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.log__version {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.log__head .chip { align-self: center; }
.log__date {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--muted-dim);
}
.log__chev {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-left: 2px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.25s var(--ease);
}
.log__head[aria-expanded="true"] .log__chev {
  transform: rotate(-135deg) translateY(-2px);
}

.log__panel { padding: 0 20px 18px; }
.log__panel[hidden] { display: none; }

.log__changes { display: grid; gap: 9px; }
.log__changes li {
  display: flex;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
}

.tag {
  flex: 0 0 auto;
  align-self: flex-start;
  margin-top: 2px;
  padding: 1px 7px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}
.tag--new { color: #7fe3cb; background: rgba(53, 208, 186, 0.15); }
.tag--improve { color: #b7a6ff; background: rgba(139, 92, 246, 0.18); }
.tag--fix { color: #ffc580; background: rgba(255, 182, 72, 0.15); }

.log-empty {
  color: var(--muted-dim);
  font-size: 14px;
}

/* =========================== 收尾 CTA =========================== */
.final-cta { padding: 20px 0 110px; }
.final-cta__inner {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 68px 32px;
  border-radius: 36px;
  border: 1px solid rgba(255, 45, 120, 0.28);
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(255, 45, 120, 0.28), transparent 70%),
    linear-gradient(180deg, rgba(139, 92, 246, 0.14), rgba(8, 6, 12, 0.4));
}
.final-cta h2 { font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 14px; }
.final-cta p { color: var(--muted); font-size: 16.5px; margin-bottom: 30px; }
.final-cta .hero__cta { justify-content: center; }

/* =========================== 页脚 =========================== */
.footer {
  border-top: 1px solid var(--line-soft);
  padding: 56px 0 30px;
  background: rgba(0, 0, 0, 0.28);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  padding-bottom: 36px;
}
.footer__brand p {
  color: var(--muted-dim);
  font-size: 13.5px;
  margin-top: 12px;
  max-width: 26ch;
}
.footer__links { display: flex; gap: 72px; }
.footer__links h4 {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 14px;
}
.footer__links a {
  display: block;
  font-size: 14px;
  color: var(--muted);
  padding: 5px 0;
  transition: color 0.2s var(--ease);
}
.footer__links a:hover { color: var(--text); }
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
  font-size: 12.5px;
  color: var(--muted-dim);
}

/* =========================== 滚动进场 =========================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* =========================== 扫码下载浮层 =========================== */
.qr-tip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 120;
  width: 212px;
  padding: 14px 14px 12px;
  border-radius: 20px;
  text-align: center;
  background: rgba(20, 16, 28, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 26px 60px -22px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(255, 45, 120, 0.1);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  opacity: 0;
  transform: translateY(8px) scale(0.97);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
  pointer-events: none;
}
.qr-tip.is-on {
  opacity: 1;
  transform: none;
}
.qr-tip__img {
  display: block;
  width: 100%;
  height: auto;
  padding: 8px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 24px -16px rgba(0, 0, 0, 0.9);
}
.qr-tip__title {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.qr-tip__meta {
  margin-top: 3px;
  font-size: 11.5px;
  color: var(--muted-dim);
}
/* 指向按钮的小三角：位置与方向由 JS 根据展开方向设置 */
.qr-tip::after {
  content: "";
  position: absolute;
  width: 13px;
  height: 13px;
  background: rgba(20, 16, 28, 0.94);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.qr-tip--above::after {
  bottom: -7px;
  left: var(--arrow-x, 50%);
  margin-left: -7px;
  transform: rotate(45deg);
}
.qr-tip--below::after {
  top: -7px;
  left: var(--arrow-x, 50%);
  margin-left: -7px;
  transform: rotate(-135deg);
}
.qr-tip--right::after {
  left: -7px;
  top: var(--arrow-y, 50%);
  margin-top: -7px;
  transform: rotate(135deg);
}

/* =========================== Toast =========================== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 200;
  transform: translate(-50%, 20px);
  opacity: 0;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text);
  background: rgba(24, 19, 32, 0.95);
  border: 1px solid var(--line);
  box-shadow: 0 20px 44px -20px rgba(0, 0, 0, 0.95);
  pointer-events: none;
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* =========================== 响应式 =========================== */
@media (max-width: 1024px) {
  .entry { padding: 22px 12px; }
  .features .entries { grid-template-columns: repeat(5, 1fr); }
  .player__inner { gap: 44px; }
}

@media (max-width: 900px) {
  .section { padding: 80px 0; }

  .nav__links { display: none; }
  .nav__actions .btn--ghost { display: none; }
  .nav__toggle { display: grid; }
  .nav__mobile { display: flex; }
  .nav__mobile[hidden] { display: none; }

  .hero { padding: 56px 0 72px; }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero__stage { min-height: auto; padding: 10px 0 20px; }
  .phone--hero { width: min(280px, 66vw); transform: none; }
  .float-card--now { left: 0; bottom: 40px; }
  .float-card--hot { right: 0; top: 30px; }

  .entries { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .player__inner { grid-template-columns: 1fr; gap: 48px; }
  .player__media { order: 2; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .dl-grid { grid-template-columns: 1fr; }
  .dl-card__sub { min-height: 0; }
  .footer__links { gap: 48px; }
}

@media (max-width: 560px) {
  .wrap { padding-inline: 18px; }  .nav__inner { padding: 12px 18px; gap: 12px; }
  .nav__mobile { padding-inline: 18px; }
  .brand__name { font-size: 15px; }

  .hero h1 { font-size: clamp(32px, 9vw, 40px); }
  .lede { font-size: 16px; }
  .btn--lg { padding: 14px 20px; font-size: 15px; width: 100%; }
  .hero__cta { gap: 10px; }
  .hero__meta { font-size: 12.5px; gap: 6px 18px; }
  .hero__meta li + li::before { display: none; }

  .log { padding-left: 26px; }
  .log::before { left: 7px; }
  .log__dot { left: -22px; top: 19px; width: 10px; height: 10px; }
  .log__head { padding: 14px 16px; }
  .log__panel { padding: 0 16px 16px; }
  .log__changes li { font-size: 14px; }

  .float-card { font-size: 12px; padding: 10px 12px; }
  .float-card--now { left: -8px; max-width: 230px; }
  .float-card--hot { right: -8px; }

  .entry h3 { font-size: 15px; }
  .entry p { font-size: 12px; }
  .entry__icon { width: 52px; height: 52px; }
  .entry__icon svg { width: 23px; height: 23px; }

  .section-head { margin-bottom: 36px; }
  .screens__tabs { gap: 4px; padding: 5px; }
  .tab { padding: 9px 14px; font-size: 13px; }
  .screens__stage { gap: 10px; }
  .stage-arrow { width: 40px; height: 40px; }
  .phone { border-radius: 38px; padding: 7px; }
  .phone img { border-radius: 32px; }

  .final-cta__inner { padding: 48px 20px; border-radius: 26px; }
  .footer__inner { gap: 30px; }
  .footer__links { gap: 40px; }
}

/* =========================== 降低动效 =========================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}