/* =========================================================
   0. 标题层级重置
   ========================================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* =========================================================
   1. 全局变量 —— 彩虹七色主题
   ========================================================= */
:root {
  --r: #ff4d6d;
  --o: #ff8a3d;
  --y: #ffd23f;
  --g: #3ddc97;
  --c: #36c5f0;
  --b: #5b7cff;
  --p: #b06bff;
  --rb: linear-gradient(90deg, #ff4d6d, #ff8a3d, #ffd23f, #3ddc97, #36c5f0, #5b7cff, #b06bff);
  --rb-soft: linear-gradient(120deg, #ff8fa5, #ffb27a, #ffe27a, #7ee9be, #6fd8f5, #8fa6ff, #cda0ff);

  --bg: #0a0713;
  --bg-2: #120c1f;
  --card: #171029;
  --card-2: #1d1533;
  --line: rgba(180, 150, 255, 0.14);
  --line-strong: rgba(180, 150, 255, 0.3);
  --text: #f3eeff;
  --text-2: #b7a9d6;
  --text-3: #7e7099;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  --max: 1200px;
  --header-h: 74px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  font-family:
    "PingFang SC",
    "HarmonyOS Sans SC",
    "Microsoft YaHei",
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}

section[id],
#top {
  scroll-margin-top: var(--header-h);
}

/* 彩虹氛围光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 620px at 8% -10%, rgba(255, 77, 109, 0.2), transparent 62%),
    radial-gradient(760px 520px at 92% 2%, rgba(176, 107, 255, 0.2), transparent 62%),
    radial-gradient(820px 560px at 50% 42%, rgba(91, 124, 255, 0.12), transparent 64%),
    radial-gradient(900px 640px at 50% 112%, rgba(61, 220, 151, 0.12), transparent 62%);
}
.page {
  position: relative;
  z-index: 1;
}
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* 非首屏渲染隔离 */
#hot,
#feature,
#guide,
#vip,
#reviews,
#partners,
#download,
.rank-section,
.footer,
.cta-band {
  content-visibility: auto;
  contain-intrinsic-size: auto 720px;
}
.drama-card,
.review-item,
.partner-card,
.dl-card,
.feature,
.step-item,
.rank-item {
  contain: layout style paint;
}

/* =========================================================
   2. 通用组件
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition:
    transform 0.28s cubic-bezier(0.2, 0.8, 0.3, 1),
    box-shadow 0.28s;
  white-space: nowrap;
  line-height: 1.2;
}
.btn-primary {
  background: linear-gradient(120deg, #ff4d6d, #ff8a3d 22%, #b06bff 62%, #5b7cff 100%);
  color: #fff;
  box-shadow: 0 10px 28px rgba(176, 107, 255, 0.4);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(255, 77, 109, 0.5);
}
.btn-ghost {
  background: rgba(180, 150, 255, 0.09);
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  background: rgba(180, 150, 255, 0.18);
  transform: translateY(-3px);
}
.btn-lg {
  padding: 16px 34px;
  font-size: 16px;
}

.section {
  padding: 92px 0;
  position: relative;
}
.sec-head {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 54px;
}
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #e7d9ff;
  background: rgba(176, 107, 255, 0.12);
  border: 1px solid rgba(176, 107, 255, 0.3);
  margin-bottom: 18px;
}
.sec-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.28;
  margin-bottom: 14px;
}
.sec-title em {
  font-style: normal;
  background: var(--rb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sec-desc {
  color: var(--text-2);
  font-size: 15.5px;
}

.card {
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.92), rgba(23, 16, 41, 0.86));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    transform 0.32s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.32s,
    box-shadow 0.32s;
}
.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.img-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 1px;
  padding: 10px;
}
.img-fallback b {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

/* =========================================================
   3. 顶部滚动公告条
   ========================================================= */
.topbar {
  background: var(--rb);
  font-size: 13.5px;
  color: #160a1f;
  overflow: hidden;
  position: relative;
  font-weight: 600;
}
.topbar .track {
  display: inline-flex;
  gap: 60px;
  white-space: nowrap;
  padding: 9px 0;
  will-change: transform;
  animation: marquee 28s linear infinite;
}
.topbar .track span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* =========================================================
   4. 导航栏
   ========================================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10, 7, 19, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  transition:
    background 0.3s,
    box-shadow 0.3s;
}
.header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--rb);
  opacity: 0.45;
  pointer-events: none;
}
.header.scrolled {
  background: rgba(10, 7, 19, 0.96);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  position: relative;
  overflow: hidden;
  background: conic-gradient(
    from 210deg,
    #ff4d6d,
    #ff8a3d,
    #ffd23f,
    #3ddc97,
    #36c5f0,
    #5b7cff,
    #b06bff,
    #ff4d6d
  );
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(176, 107, 255, 0.5);
}
.logo-mark img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}
.logo-text {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo-text em {
  font-style: normal;
  background: var(--rb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 13px;
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--text-2);
  transition:
    color 0.24s,
    background 0.24s;
  white-space: nowrap;
}
.nav-links a:hover {
  color: #fff;
  background: rgba(180, 150, 255, 0.12);
}

/* 桌面端多设备下载入口 */
.dev-dock {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 5px 6px;
  border-radius: 14px;
  background: rgba(180, 150, 255, 0.07);
  border: 1px solid var(--line);
}
.dev-label {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 0 6px 0 8px;
  color: var(--text-3);
  white-space: nowrap;
}
.dev-label::after {
  content: "▾";
  margin-left: 3px;
  font-size: 10px;
  opacity: 0.7;
}
.dev-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 10px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-2);
  background: rgba(180, 150, 255, 0.06);
  border: 1px solid transparent;
  white-space: nowrap;
  transition:
    color 0.24s,
    background 0.24s,
    border-color 0.24s,
    transform 0.24s;
}
.dev-pill i {
  font-style: normal;
  font-size: 13px;
  line-height: 1;
}
.dev-pill:hover {
  color: #fff;
  transform: translateY(-2px);
  background: rgba(176, 107, 255, 0.22);
  border-color: rgba(176, 107, 255, 0.5);
}
.dev-pill:nth-child(2):hover {
  background: rgba(255, 77, 109, 0.22);
  border-color: rgba(255, 77, 109, 0.55);
}
.dev-pill:nth-child(3):hover {
  background: rgba(61, 220, 151, 0.2);
  border-color: rgba(61, 220, 151, 0.55);
}
.dev-pill:nth-child(4):hover {
  background: rgba(54, 197, 240, 0.2);
  border-color: rgba(54, 197, 240, 0.55);
}
.dev-pill:nth-child(5):hover {
  background: rgba(91, 124, 255, 0.22);
  border-color: rgba(91, 124, 255, 0.55);
}
.dev-pill:nth-child(6):hover {
  background: rgba(255, 210, 63, 0.2);
  border-color: rgba(255, 210, 63, 0.55);
}

.nav-cta {
  flex-shrink: 0;
}
.nav-cta .btn {
  padding: 10px 20px;
  font-size: 14px;
}

/* 汉堡按钮 (默认隐藏) */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(180, 150, 255, 0.1);
  border: 1px solid var(--line);
  color: #fff;
  font-size: 20px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 0.3s;
}
.menu-toggle:hover {
  background: rgba(180, 150, 255, 0.2);
}

/* 移动端侧边抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background: #120c1f;
  border-left: 1px solid var(--line);
  z-index: 1000;
  padding: 80px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  transition: right 0.35s cubic-bezier(0.2, 0.8, 0.3, 1);
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}
.mobile-drawer.open {
  right: 0;
}

.mobile-drawer .close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(180, 150, 255, 0.1);
  border: 1px solid var(--line);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 抽屉内的导航链接 */
.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-links a {
  display: block;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  background: rgba(180, 150, 255, 0.05);
  transition:
    background 0.2s,
    color 0.2s;
}
.mobile-links a:hover,
.mobile-links a:active {
  background: rgba(176, 107, 255, 0.15);
  color: #fff;
}

/* 抽屉内的多设备下载 */
.mobile-dev-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-3);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.mobile-dev-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.mobile-dev-grid .dev-pill {
  justify-content: center;
  padding: 12px;
  background: rgba(180, 150, 255, 0.08);
  border-radius: 12px;
  border: 1px solid var(--line);
}

/* 遮罩层 */
.mobile-backdrop {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s,
    visibility 0.3s;
}
.mobile-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* ==== 媒体查询控制折叠 ==== */
@media (max-width: 1180px) {
  .nav {
    gap: 14px;
  }
  .nav-links a {
    padding: 8px 9px;
    font-size: 13.5px;
  }
  .dev-label {
    display: none;
  }
  .dev-pill {
    padding: 7px 8px;
    font-size: 12px;
  }
}
@media (max-width: 1024px) {
  .nav-links,
  .dev-dock {
    display: none !important;
  }
  .menu-toggle {
    display: flex;
  }
  .nav {
    padding: 10px 16px;
  }
  .nav-cta {
    margin-left: auto;
    margin-right: 10px;
  }
}
@media (max-width: 480px) {
  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }
  .logo-text {
    font-size: 16px;
  }
  .nav-cta .btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* =========================================================
   5. 首屏 Hero
   ========================================================= */
.hero {
  padding: 72px 0 88px;
  position: relative;
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px 7px 8px;
  border-radius: 999px;
  background: rgba(180, 150, 255, 0.1);
  border: 1px solid var(--line-strong);
  font-size: 13.5px;
  color: #e4d6ff;
  margin-bottom: 24px;
}
.hero-badge b {
  background: var(--rb);
  color: #160a1f;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}
.hero h1 {
  font-size: clamp(34px, 4.8vw, 58px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  background: var(--rb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 16.5px;
  color: var(--text-2);
  max-width: 570px;
  margin-bottom: 34px;
}
.hero-sub strong {
  color: #dcc7ff;
  font-weight: 700;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.hero-download {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.dl-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 600;
  background: rgba(180, 150, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition:
    color 0.25s,
    background 0.25s,
    border-color 0.25s,
    transform 0.25s;
}
.dl-chip:hover {
  color: #fff;
  transform: translateY(-2px);
}
.dl-chip span {
  font-size: 15px;
  line-height: 1;
}
.dl-chip:nth-child(1):hover {
  background: rgba(255, 77, 109, 0.2);
  border-color: rgba(255, 77, 109, 0.5);
}
.dl-chip:nth-child(2):hover {
  background: rgba(61, 220, 151, 0.18);
  border-color: rgba(61, 220, 151, 0.5);
}
.dl-chip:nth-child(3):hover {
  background: rgba(54, 197, 240, 0.18);
  border-color: rgba(54, 197, 240, 0.5);
}
.dl-chip:nth-child(4):hover {
  background: rgba(91, 124, 255, 0.2);
  border-color: rgba(91, 124, 255, 0.5);
}
.dl-chip:nth-child(5):hover {
  background: rgba(255, 210, 63, 0.18);
  border-color: rgba(255, 210, 63, 0.5);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  color: var(--text-3);
  font-size: 13.5px;
}
.hero-trust div {
  display: flex;
  align-items: center;
  gap: 7px;
}
.hero-trust i {
  color: #3ddc97;
  font-style: normal;
  font-size: 14px;
}

/* =========================================================
   5.1 Hero 视觉区
   ========================================================= */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 620px;
  perspective: 1800px;
  perspective-origin: 50% 45%;
}
.stage-3d {
  position: relative;
  width: 100%;
  height: 620px;
  transform-style: preserve-3d;
  transform: rotateY(-10deg) rotateX(5deg);
  animation: stageSway 11s ease-in-out infinite;
}
@keyframes stageSway {
  0%,
  100% {
    transform: rotateY(-10deg) rotateX(5deg);
  }
  50% {
    transform: rotateY(-4deg) rotateX(2deg);
  }
}
.stage-3d::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 660px;
  height: 660px;
  margin: -330px 0 0 -330px;
  transform: translateZ(-340px);
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(255, 77, 109, 0.42),
    rgba(255, 138, 61, 0.42),
    rgba(255, 210, 63, 0.42),
    rgba(61, 220, 151, 0.42),
    rgba(54, 197, 240, 0.42),
    rgba(91, 124, 255, 0.42),
    rgba(176, 107, 255, 0.42),
    rgba(255, 77, 109, 0.42)
  );
  filter: blur(72px);
  opacity: 0.55;
  pointer-events: none;
}

.card-3d {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 200px;
  height: 300px;
  margin: -150px 0 0 -100px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(140deg, #5b7cff, #b06bff);
  border: 1px solid rgba(200, 170, 255, 0.35);
  box-shadow:
    0 32px 60px rgba(0, 0, 0, 0.62),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  transform-style: preserve-3d;
  animation: cardFloat 7.5s ease-in-out infinite;
  will-change: transform;
  cursor: pointer;
  transition:
    filter 0.35s,
    box-shadow 0.35s,
    border-color 0.35s;
}
@keyframes cardFloat {
  0%,
  100% {
    transform: translateX(var(--tx, 0)) translateZ(var(--tz, 0)) translateY(0) rotateY(var(--ry, 0))
      scale(var(--sc, 1));
  }
  50% {
    transform: translateX(var(--tx, 0)) translateZ(var(--tz, 0)) translateY(-14px)
      rotateY(var(--ry, 0)) scale(var(--sc, 1));
  }
}
.card-3d::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 42%,
    rgba(0, 0, 0, 0.1) 100%
  );
}
.card-3d img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.card-3d:hover img {
  transform: scale(1.06);
}
.card-3d:hover {
  animation-play-state: paused;
  filter: brightness(1.12) saturate(1.1);
  box-shadow:
    0 40px 80px rgba(176, 107, 255, 0.5),
    0 0 0 2px rgba(200, 170, 255, 0.6),
    0 0 44px rgba(255, 77, 109, 0.32);
  border-color: rgba(200, 170, 255, 0.75);
}
.card-3d .img-fallback {
  z-index: 1;
  font-size: 11px;
  letter-spacing: 0;
}
.card-3d .img-fallback b {
  font-size: 13px;
  letter-spacing: 1px;
}

.card-3d.pos-1 {
  --tx: -278px;
  --tz: -70px;
  --ry: 26deg;
  --sc: 0.78;
  z-index: 1;
  animation-delay: 0s;
}
.card-3d.pos-2 {
  --tx: -142px;
  --tz: -22px;
  --ry: 13deg;
  --sc: 0.92;
  z-index: 3;
  animation-delay: -1.1s;
}
.card-3d.pos-3 {
  --tx: 0;
  --tz: 100px;
  --ry: 0deg;
  --sc: 1.12;
  z-index: 10;
  animation-delay: -2.2s;
  border-color: rgba(255, 210, 63, 0.6);
  box-shadow:
    0 50px 90px rgba(255, 138, 61, 0.4),
    0 0 0 1px rgba(255, 210, 63, 0.45) inset,
    0 0 64px rgba(255, 77, 109, 0.32);
}
.card-3d.pos-4 {
  --tx: 142px;
  --tz: -22px;
  --ry: -13deg;
  --sc: 0.92;
  z-index: 3;
  animation-delay: -3.3s;
}
.card-3d.pos-5 {
  --tx: 278px;
  --tz: -70px;
  --ry: -26deg;
  --sc: 0.78;
  z-index: 1;
  animation-delay: -4.4s;
}

.c-play {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 5;
  transform: translate(-50%, -50%) scale(0.7);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff4d6d, #b06bff);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition:
    opacity 0.35s,
    transform 0.35s cubic-bezier(0.2, 0.8, 0.3, 1);
  box-shadow: 0 12px 30px rgba(176, 107, 255, 0.7);
}
.pos-3 .c-play {
  width: 58px;
  height: 58px;
  font-size: 18px;
}
.card-3d:hover .c-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.float-card {
  position: absolute;
  z-index: 30;
  background: rgba(23, 16, 41, 0.94);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 11px;
  will-change: transform;
}
.float-card .ico {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}
.float-card .txt small {
  display: block;
  font-size: 11.5px;
  color: var(--text-3);
  line-height: 1.35;
}
.float-card .txt strong {
  font-size: 14.5px;
  font-weight: 700;
}
.fc-1 {
  top: 22px;
  left: -14px;
  animation: float 5s ease-in-out infinite;
}
.fc-1 .ico {
  background: linear-gradient(135deg, #ff4d6d, #ff8a3d);
}
.fc-2 {
  bottom: 96px;
  right: -18px;
  animation: float 6.5s ease-in-out 0.6s infinite;
}
.fc-2 .ico {
  background: linear-gradient(135deg, #5b7cff, #36c5f0);
}
.fc-3 {
  bottom: 16px;
  left: 24px;
  animation: float 5.6s ease-in-out 1.1s infinite;
}
.fc-3 .ico {
  background: linear-gradient(135deg, #3ddc97, #ffd23f);
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@media (max-width: 1100px) {
  .hero-visual {
    min-height: 560px;
  }
  .stage-3d {
    height: 560px;
    transform: rotateY(-8deg) rotateX(4deg) scale(0.88);
  }
  @keyframes stageSway {
    0%,
    100% {
      transform: rotateY(-8deg) rotateX(4deg) scale(0.88);
    }
    50% {
      transform: rotateY(-3deg) rotateX(2deg) scale(0.88);
    }
  }
}
@media (max-width: 960px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 52px;
    text-align: center;
  }
  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-btns,
  .hero-download,
  .hero-trust {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
    min-height: 500px;
  }
  .stage-3d {
    height: 500px;
    transform: rotateY(-6deg) rotateX(3deg) scale(0.72);
  }
  @keyframes stageSway {
    0%,
    100% {
      transform: rotateY(-6deg) rotateX(3deg) scale(0.72);
    }
    50% {
      transform: rotateY(-2deg) rotateX(1deg) scale(0.72);
    }
  }
}
@media (max-width: 640px) {
  .hero-visual {
    min-height: 420px;
  }
  .stage-3d {
    height: 420px;
    transform: rotateY(-4deg) rotateX(2deg) scale(0.56);
  }
  @keyframes stageSway {
    0%,
    100% {
      transform: rotateY(-4deg) rotateX(2deg) scale(0.56);
    }
    50% {
      transform: rotateY(0deg) rotateX(0deg) scale(0.56);
    }
  }
  .fc-1,
  .fc-2 {
    display: none;
  }
  .fc-3 {
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
  }
  @keyframes float {
    0%,
    100% {
      transform: translateX(-50%) translateY(0);
    }
    50% {
      transform: translateX(-50%) translateY(-10px);
    }
  }
}

/* =========================================================
   6. 今日热播风云榜
   ========================================================= */
.rank-section {
  position: relative;
  padding: 76px 0;
  background: linear-gradient(180deg, rgba(23, 16, 41, 0.6), rgba(10, 7, 19, 0.08));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.rank-section::before {
  content: "";
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 880px;
  height: 440px;
  background: radial-gradient(closest-side, rgba(176, 107, 255, 0.24), transparent 70%);
  pointer-events: none;
}
.rank-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 38px;
  position: relative;
  z-index: 1;
}
.rank-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 77, 109, 0.12);
  border: 1px solid rgba(255, 77, 109, 0.35);
  font-size: 12.5px;
  font-weight: 600;
  color: #ff9aae;
  margin-bottom: 16px;
}
.rank-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff4d6d;
  box-shadow: 0 0 0 0 rgba(255, 77, 109, 0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 77, 109, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 77, 109, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 77, 109, 0);
  }
}
.rank-title {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: 0.5px;
  line-height: 1.25;
  margin-bottom: 8px;
}
.rank-title em {
  font-style: normal;
  background: var(--rb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rank-sub {
  font-size: 14px;
  color: var(--text-3);
}
.rank-summary {
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 16px 26px;
  border-radius: 16px;
  background: rgba(23, 16, 41, 0.62);
  border: 1px solid var(--line);
}
.rs-item b {
  display: block;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.15;
  background: var(--rb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rs-item span {
  font-size: 12px;
  color: var(--text-3);
}
.rs-line {
  width: 1px;
  height: 34px;
  background: var(--line);
}

.rank-list {
  display: grid;
  gap: 12px;
  position: relative;
  z-index: 1;
}
.rank-item {
  display: grid;
  grid-template-columns: 56px 64px 1fr 190px 110px;
  align-items: center;
  gap: 18px;
  padding: 14px 22px;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.88), rgba(23, 16, 41, 0.74));
  border: 1px solid var(--line);
  transition:
    transform 0.32s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.32s,
    background 0.32s,
    box-shadow 0.32s;
  position: relative;
  overflow: hidden;
}
.rank-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--rb);
  opacity: 0;
  transition: opacity 0.3s;
}
.rank-item:hover {
  transform: translateX(6px);
  border-color: rgba(176, 107, 255, 0.45);
  background: linear-gradient(160deg, rgba(38, 28, 66, 0.96), rgba(26, 19, 48, 0.88));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5);
}
.rank-item:hover::before {
  opacity: 1;
}
.rank-no {
  font-size: 28px;
  font-weight: 900;
  font-style: italic;
  text-align: center;
  line-height: 1;
  color: var(--text-3);
  font-family: "DIN Alternate", "Bebas Neue", Impact, sans-serif;
  letter-spacing: -1px;
}
.rank-item.top1 .rank-no {
  background: linear-gradient(135deg, #ffd75e, #ff8a3d);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 32px;
}
.rank-item.top2 .rank-no {
  background: linear-gradient(135deg, #e8f0ff, #a9b8d8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 31px;
}
.rank-item.top3 .rank-no {
  background: linear-gradient(135deg, #ffb88c, #d97742);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 30px;
}

.rank-thumb {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #5b7cff, #b06bff);
  flex-shrink: 0;
}
.rank-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.rank-item:hover .rank-thumb img {
  transform: scale(1.1);
}
.rank-thumb .img-fallback {
  z-index: 1;
  font-size: 9px;
  letter-spacing: 0;
}
.rank-play {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 7, 19, 0.6);
  color: #fff;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s;
}
.rank-item:hover .rank-play {
  opacity: 1;
}

.rank-info {
  min-width: 0;
}
.rank-name {
  font-size: 15.5px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-badge {
  flex-shrink: 0;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.rank-badge.hot {
  background: linear-gradient(135deg, #ff4d6d, #ff8a3d);
  color: #fff;
}
.rank-badge.new {
  background: linear-gradient(135deg, #36c5f0, #5b7cff);
  color: #fff;
}
.rank-badge.vip {
  background: linear-gradient(135deg, #ffd23f, #ff8a3d);
  color: #2a1600;
}
.rank-badge.mint {
  background: linear-gradient(135deg, #3ddc97, #36c5f0);
  color: #04231a;
}
.rank-tags {
  font-size: 12.5px;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-heat {
  min-width: 0;
}
.heat-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(180, 150, 255, 0.12);
  overflow: hidden;
  margin-bottom: 7px;
}
.heat-bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff4d6d, #ffd23f 40%, #3ddc97 72%, #5b7cff);
  transition: width 1.4s cubic-bezier(0.2, 0.8, 0.3, 1) 0.25s;
}
.rank-item.in .heat-bar i {
  width: var(--w, 50%);
}
.heat-num {
  font-size: 11.5px;
  color: var(--text-3);
  display: flex;
  justify-content: space-between;
}

.rank-views {
  text-align: right;
}
.rank-views strong {
  display: block;
  font-size: 15.5px;
  font-weight: 800;
  color: #ffa07a;
  margin-bottom: 3px;
}
.rank-views .up {
  font-size: 11.5px;
  color: #3ddc97;
}
.rank-views .same {
  font-size: 11.5px;
  color: var(--text-3);
}
.rank-views .down {
  font-size: 11.5px;
  color: #f87171;
}
.rank-more {
  text-align: center;
  margin-top: 34px;
  position: relative;
  z-index: 1;
}

@media (max-width: 900px) {
  .rank-item {
    grid-template-columns: 46px 56px 1fr 100px;
    gap: 14px;
    padding: 13px 16px;
  }
  .rank-heat {
    display: none;
  }
  .rank-thumb {
    width: 56px;
    height: 56px;
  }
}
@media (max-width: 600px) {
  .rank-section {
    padding: 56px 0;
  }
  .rank-head {
    gap: 18px;
  }
  .rank-summary {
    padding: 12px 18px;
    gap: 18px;
  }
  .rs-item b {
    font-size: 19px;
  }
  .rank-item {
    grid-template-columns: 30px 50px 1fr auto;
    grid-template-rows: auto auto;
    row-gap: 5px;
    column-gap: 10px;
    padding: 12px 14px;
  }
  .rank-no {
    grid-area: 1/1/3/2;
    align-self: center;
    font-size: 22px !important;
  }
  .rank-item.top1 .rank-no,
  .rank-item.top2 .rank-no,
  .rank-item.top3 .rank-no {
    font-size: 24px !important;
  }
  .rank-thumb {
    grid-area: 1/2/3/3;
    align-self: center;
    width: 50px;
    height: 50px;
  }
  .rank-info {
    grid-area: 1/3/2/5;
  }
  .rank-name {
    font-size: 14px;
  }
  .rank-tags {
    font-size: 11.5px;
  }
  .rank-views {
    grid-area: 2/4/3/5;
    text-align: right;
  }
  .rank-views strong {
    font-size: 13px;
    margin-bottom: 1px;
  }
  .rank-views .up,
  .rank-views .same,
  .rank-views .down {
    font-size: 10.5px;
  }
}

/* =========================================================
   7. 热播推荐
   ========================================================= */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}
.tab {
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: rgba(180, 150, 255, 0.07);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition:
    color 0.25s,
    background 0.25s;
}
.tab:hover {
  color: #fff;
  background: rgba(180, 150, 255, 0.15);
}
.tab.active {
  background: linear-gradient(120deg, #ff4d6d, #b06bff 60%, #5b7cff);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 22px rgba(176, 107, 255, 0.45);
}

.drama-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.drama-card {
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.94), rgba(23, 16, 41, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition:
    transform 0.34s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.34s,
    box-shadow 0.34s;
}
.drama-card:hover {
  transform: translateY(-8px);
  border-color: var(--line-strong);
  box-shadow:
    0 24px 50px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(176, 107, 255, 0.28);
}

.poster {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: linear-gradient(150deg, var(--g1), var(--g2));
  display: flex;
  align-items: center;
  justify-content: center;
}
.poster img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.drama-card:hover .poster img {
  transform: scale(1.05);
}
.poster .img-fallback {
  z-index: 1;
}
.poster .img-fallback b {
  font-size: 15px;
  letter-spacing: 2px;
}

.p-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  z-index: 4;
  background: linear-gradient(135deg, #ff4d6d, #b06bff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  opacity: 0;
  transition:
    opacity 0.35s,
    transform 0.35s cubic-bezier(0.2, 0.8, 0.3, 1);
  box-shadow: 0 10px 30px rgba(176, 107, 255, 0.65);
}
.drama-card:hover .p-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.drama-info {
  padding: 15px 16px 17px;
}
.drama-info h3 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.drama-info p {
  font-size: 12.8px;
  color: var(--text-3);
  margin-bottom: 11px;
}
.drama-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 12.3px;
  color: var(--text-3);
  padding-top: 11px;
  border-top: 1px solid var(--line);
}
.drama-meta .hot {
  color: #ffa07a;
  font-weight: 600;
  white-space: nowrap;
}
.drama-meta .date {
  font-size: 11.5px;
  white-space: nowrap;
  color: var(--text-3);
}

@media (max-width: 1024px) {
  .drama-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .drama-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}
@media (max-width: 420px) {
  .drama-grid {
    gap: 12px;
  }
}
@media (max-width: 380px) {
  .drama-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* =========================================================
   8. 产品特色
   ========================================================= */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  padding: 30px 26px;
  position: relative;
  overflow: hidden;
}
.feature::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(176, 107, 255, 0.3), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}
.feature:hover::before {
  opacity: 1;
}
.f-ico {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 23px;
  background: linear-gradient(140deg, rgba(255, 77, 109, 0.22), rgba(176, 107, 255, 0.2));
  border: 1px solid rgba(200, 170, 255, 0.25);
}
.feature:nth-child(2) .f-ico {
  background: linear-gradient(140deg, rgba(255, 138, 61, 0.22), rgba(255, 210, 63, 0.18));
  border-color: rgba(255, 200, 110, 0.28);
}
.feature:nth-child(3) .f-ico {
  background: linear-gradient(140deg, rgba(255, 210, 63, 0.22), rgba(61, 220, 151, 0.18));
  border-color: rgba(200, 240, 150, 0.28);
}
.feature:nth-child(4) .f-ico {
  background: linear-gradient(140deg, rgba(61, 220, 151, 0.22), rgba(54, 197, 240, 0.18));
  border-color: rgba(130, 235, 210, 0.28);
}
.feature:nth-child(5) .f-ico {
  background: linear-gradient(140deg, rgba(54, 197, 240, 0.22), rgba(91, 124, 255, 0.18));
  border-color: rgba(140, 200, 250, 0.28);
}
.feature:nth-child(6) .f-ico {
  background: linear-gradient(140deg, rgba(91, 124, 255, 0.22), rgba(176, 107, 255, 0.18));
  border-color: rgba(160, 160, 250, 0.28);
}
.feature h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
}
@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   9. 安装步骤与常见问题
   ========================================================= */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  margin-bottom: 80px;
}
.step-line {
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: var(--rb);
  z-index: 0;
  opacity: 0.5;
}
.step-item {
  position: relative;
  z-index: 1;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 24px 30px;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.step-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--line-strong);
}
.step-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(140deg, rgba(255, 77, 109, 0.15), rgba(176, 107, 255, 0.15));
  border: 2px solid rgba(176, 107, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  margin: -80px auto 20px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  background-color: var(--card);
  position: relative;
}
.step-item:nth-child(2) .step-icon {
  background: linear-gradient(140deg, rgba(255, 210, 63, 0.15), rgba(255, 138, 61, 0.15));
  border-color: rgba(255, 210, 63, 0.4);
}
.step-item:nth-child(3) .step-icon {
  background: linear-gradient(140deg, rgba(61, 220, 151, 0.15), rgba(54, 197, 240, 0.15));
  border-color: rgba(61, 220, 151, 0.4);
}
.step-item h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
}
.step-item p {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}

.faq-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
  align-items: flex-start;
}
.faq-left {
  position: sticky;
  top: 100px;
}
.faq-title {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.2;
}
.faq-title em {
  font-style: normal;
  background: var(--rb);
  -webkit-background-clip: text;
  color: transparent;
}
.faq-desc {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 28px;
}
.faq-summary {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 20px;
  padding: 16px 18px;
  background: rgba(180, 150, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.faq-summary strong {
  color: #dcc7ff;
}

.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.88), rgba(23, 16, 41, 0.82));
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 0 22px;
  transition:
    border-color 0.28s,
    background 0.28s;
  overflow: hidden;
}
.faq-item[open] {
  border-color: rgba(176, 107, 255, 0.48);
  background: rgba(29, 21, 51, 0.96);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 15.5px;
  font-weight: 700;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: #c9a8ff;
  flex-shrink: 0;
  transition: transform 0.3s;
  line-height: 1;
}
.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}
.faq-item .faq-body {
  padding: 16px 0 20px;
  font-size: 14.2px;
  color: var(--text-2);
  line-height: 1.85;
  border-top: 1px solid var(--line);
}
.faq-q {
  display: inline;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

@media (max-width: 900px) {
  .steps-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .step-line {
    display: none;
  }
  .step-item {
    text-align: left;
    padding: 30px 24px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
  }
  .step-icon {
    margin: 0;
    width: 60px;
    height: 60px;
    font-size: 26px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .faq-left {
    position: static;
    text-align: center;
  }
}

/* =========================================================
   10. 会员权益
   ========================================================= */
.vip-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}
.vip-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/11;
  background: linear-gradient(140deg, #2a1b52, #4a1e63);
  border: 1px solid var(--line-strong);
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.55),
    0 0 60px rgba(176, 107, 255, 0.18);
}
.vip-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}
.vip-visual .img-fallback {
  z-index: 1;
}
.vip-badge {
  position: absolute;
  left: 18px;
  top: 18px;
  z-index: 5;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  background: linear-gradient(135deg, #ffd23f, #ff8a3d);
  color: #2a1600;
  box-shadow: 0 8px 22px rgba(255, 160, 40, 0.5);
}
.vip-list {
  display: grid;
  gap: 16px;
  margin: 26px 0 32px;
}
.vip-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.vip-item .vi {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  background: linear-gradient(140deg, rgba(255, 77, 109, 0.24), rgba(176, 107, 255, 0.2));
  border: 1px solid rgba(200, 170, 255, 0.28);
}
.vip-item:nth-child(2) .vi {
  background: linear-gradient(140deg, rgba(255, 210, 63, 0.24), rgba(255, 138, 61, 0.2));
  border-color: rgba(255, 210, 110, 0.3);
}
.vip-item:nth-child(3) .vi {
  background: linear-gradient(140deg, rgba(61, 220, 151, 0.24), rgba(54, 197, 240, 0.2));
  border-color: rgba(130, 235, 200, 0.3);
}
.vip-item:nth-child(4) .vi {
  background: linear-gradient(140deg, rgba(91, 124, 255, 0.24), rgba(176, 107, 255, 0.2));
  border-color: rgba(150, 160, 255, 0.3);
}
.vip-item h3 {
  display: block;
  font-size: 15.5px;
  margin-bottom: 3px;
}
.vip-item p {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}
@media (max-width: 900px) {
  .vip-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* =========================================================
   11. 用户评价
   ========================================================= */
.review-masonry {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.review-item {
  display: flex;
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.95), rgba(23, 16, 41, 0.9));
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  transition:
    transform 0.4s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.4s,
    box-shadow 0.4s;
  position: relative;
}
.review-item:nth-child(even) {
  margin-top: 40px;
}
.review-item:hover,
.review-item.reveal.in:hover {
  transform: translateY(-8px);
  border-color: rgba(176, 107, 255, 0.5);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(176, 107, 255, 0.15);
}
.rv-poster {
  width: 140px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  background: var(--card-2);
}
.rv-poster img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.review-item:hover .rv-poster img {
  transform: scale(1.1);
}
.rv-poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 72%, rgba(23, 16, 41, 0.95) 100%);
}
.rv-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.rv-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.rv-stars {
  color: #ffd23f;
  font-size: 13px;
  letter-spacing: 2px;
}
.rv-time {
  font-size: 12px;
  color: var(--text-3);
}
.rv-text {
  font-size: 14.5px;
  color: #d4c5ed;
  line-height: 1.7;
  margin-bottom: 20px;
}
.rv-text em {
  font-style: normal;
  color: #ffa07a;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(255, 138, 61, 0.3);
}
.rv-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px dashed rgba(180, 150, 255, 0.2);
}
.rv-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.rv-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  background: linear-gradient(135deg, #ff4d6d, #ff8a3d);
}
.rv-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.rv-user strong {
  display: block;
  font-size: 13px;
  color: #fff;
}
.rv-user span {
  font-size: 11px;
  color: var(--text-3);
}
.rv-like {
  background: rgba(180, 150, 255, 0.1);
  border: 1px solid rgba(180, 150, 255, 0.2);
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s;
}
.rv-like:hover {
  background: rgba(255, 77, 109, 0.2);
  border-color: rgba(255, 77, 109, 0.4);
  color: #fff;
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .review-masonry {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .review-item:nth-child(even) {
    margin-top: 0;
  }
}
@media (max-width: 600px) {
  .rv-poster {
    width: 110px;
  }
  .rv-body {
    padding: 16px;
  }
  .rv-text {
    font-size: 13.5px;
  }
  .rv-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* =========================================================
   11.5 合作伙伴
   ========================================================= */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.partner-card {
  position: relative;
  padding: 34px 18px 26px;
  text-align: center;
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.9), rgba(23, 16, 41, 0.84));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition:
    transform 0.36s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.36s,
    box-shadow 0.36s;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--rb);
  opacity: 0;
  transition: opacity 0.36s;
}
.partner-card::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(176, 107, 255, 0.24), transparent 68%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.partner-card:hover {
  transform: translateY(-8px);
  border-color: rgba(176, 107, 255, 0.48);
  box-shadow:
    0 24px 50px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(176, 107, 255, 0.2);
}
.partner-card:hover::before {
  opacity: 1;
}
.partner-card:hover::after {
  opacity: 1;
}
.partner-logo {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(255, 77, 109, 0.22), rgba(176, 107, 255, 0.18));
  border: 1px solid rgba(200, 170, 255, 0.3);
  transition:
    transform 0.36s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.36s,
    box-shadow 0.36s;
  flex-shrink: 0;
}
.partner-logo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}
.partner-card:hover .partner-logo {
  transform: scale(1.08) rotate(-3deg);
  border-color: rgba(200, 170, 255, 0.65);
  box-shadow: 0 12px 30px rgba(176, 107, 255, 0.5);
}
.partner-card h3 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.3px;
  margin-bottom: 6px;
  color: #fff;
}
.partner-card p {
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.55;
}

@media (max-width: 1024px) {
  .partner-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}
@media (max-width: 620px) {
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .partner-card {
    padding: 24px 12px 18px;
  }
  .partner-logo {
    width: 56px;
    height: 56px;
    border-radius: 15px;
    margin-bottom: 12px;
  }
  .partner-card h3 {
    font-size: 14px;
    margin-bottom: 4px;
  }
  .partner-card p {
    font-size: 11px;
    line-height: 1.45;
  }
}

/* =========================================================
   12. 多端下载区
   ========================================================= */
.download {
  background: linear-gradient(
    180deg,
    rgba(23, 16, 41, 0.2),
    rgba(29, 21, 51, 0.8),
    rgba(23, 16, 41, 0.2)
  );
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.dl-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-bottom: 44px;
}
.dl-card {
  padding: 28px 18px;
  text-align: center;
  background: linear-gradient(160deg, rgba(29, 21, 51, 0.92), rgba(23, 16, 41, 0.86));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    transform 0.32s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.32s,
    box-shadow 0.32s;
  display: block;
}
.dl-card:hover {
  transform: translateY(-7px);
  border-color: rgba(176, 107, 255, 0.58);
  box-shadow:
    0 22px 48px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(176, 107, 255, 0.24);
}
.dl-card .d-ico {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 25px;
  background: linear-gradient(140deg, rgba(255, 77, 109, 0.2), rgba(176, 107, 255, 0.16));
  border: 1px solid rgba(200, 170, 255, 0.26);
  transition:
    background 0.32s,
    border-color 0.32s,
    transform 0.32s,
    box-shadow 0.32s;
}
.dl-card:hover .d-ico {
  background: linear-gradient(140deg, #ff4d6d, #b06bff);
  border-color: transparent;
  transform: scale(1.06);
  box-shadow: 0 12px 28px rgba(176, 107, 255, 0.55);
}
.dl-card h3 {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 5px;
}
.dl-card span {
  font-size: 12.5px;
  color: var(--text-3);
}
.dl-card .d-btn {
  display: inline-block;
  margin-top: 15px;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  color: #e0cfff;
  background: rgba(176, 107, 255, 0.14);
  border: 1px solid rgba(176, 107, 255, 0.34);
  transition:
    background 0.25s,
    color 0.25s,
    border-color 0.25s;
}
.dl-card:hover .d-btn {
  background: linear-gradient(120deg, #ff4d6d, #b06bff);
  color: #fff;
  border-color: transparent;
}
.qr-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
  padding: 32px 34px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    140deg,
    rgba(255, 77, 109, 0.12),
    rgba(176, 107, 255, 0.1),
    rgba(54, 197, 240, 0.08)
  );
  border: 1px solid var(--line-strong);
}
.qr-img {
  width: 140px;
  height: 140px;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(140deg, #241847, #120c1f);
  border: 1px solid var(--line-strong);
  flex-shrink: 0;
}
.qr-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}
.qr-img .img-fallback {
  z-index: 1;
  font-size: 11.5px;
}
.qr-txt h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}
.qr-txt p {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 16px;
  max-width: 430px;
}
@media (max-width: 1000px) {
  .dl-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .dl-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .qr-box {
    padding: 24px 20px;
    gap: 22px;
    text-align: center;
  }
  .qr-txt h3 {
    font-size: 17px;
  }
}

/* =========================================================
   14. 底部 CTA + 页脚
   ========================================================= */
.cta-band {
  margin: 0 20px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: linear-gradient(120deg, #ff4d6d, #ff8a3d 22%, #b06bff 58%, #5b7cff 100%);
  padding: 64px 40px;
  text-align: center;
  box-shadow: 0 34px 80px rgba(176, 107, 255, 0.35);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(400px 200px at 15% 10%, rgba(255, 255, 255, 0.28), transparent 70%),
    radial-gradient(500px 260px at 85% 90%, rgba(61, 220, 151, 0.32), transparent 70%);
}
.cta-band > * {
  position: relative;
  z-index: 1;
}
.cta-band h2 {
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  margin-bottom: 14px;
}
.cta-band p {
  font-size: 15.5px;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 30px;
}
.cta-band .btn-white {
  background: #fff;
  color: #8a2be2;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}
.cta-band .btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}
.cta-band .btn-line {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.cta-band .btn-line:hover {
  background: rgba(255, 255, 255, 0.26);
  transform: translateY(-3px);
}
.cta-band .cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer {
  padding: 70px 0 34px;
  margin-top: 84px;
  border-top: 1px solid var(--line);
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--rb);
  opacity: 0.45;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 48px;
}
.foot-brand p {
  font-size: 13.8px;
  color: var(--text-3);
  line-height: 1.9;
  margin: 16px 0 20px;
  max-width: 340px;
}
.foot-social {
  display: flex;
  gap: 10px;
}
.foot-social a {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  background: rgba(180, 150, 255, 0.09);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition:
    background 0.25s,
    color 0.25s,
    border-color 0.25s,
    transform 0.25s;
}
.foot-social a:hover {
  background: linear-gradient(135deg, #ff4d6d, #b06bff);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}
.foot-heading {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  color: #fff;
}
.foot-col ul {
  display: grid;
  gap: 11px;
}
.foot-col a {
  font-size: 13.8px;
  color: var(--text-3);
  transition:
    color 0.22s,
    padding 0.22s;
}
.foot-col a:hover {
  color: #d9c2ff;
  padding-left: 4px;
}
.foot-bottom {
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
}
.foot-bottom .links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.foot-bottom a:hover {
  color: #d9c2ff;
}

@media (max-width: 900px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
  .foot-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 520px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 66px 0;
  }
  .cta-band {
    padding: 48px 22px;
    margin: 0 14px;
  }
}

/* =========================================================
   15. 滚动进入动画 & 回到顶部
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.75s cubic-bezier(0.2, 0.8, 0.3, 1),
    transform 0.75s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

.to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 300;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: linear-gradient(135deg, #ff4d6d, #b06bff);
  color: #fff;
  border: none;
  box-shadow: 0 12px 30px rgba(176, 107, 255, 0.5);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.35s,
    transform 0.35s;
}
.to-top.show {
  opacity: 1;
  pointer-events: auto;
}
.to-top:hover {
  transform: translateY(-4px);
}

/* =========================================================
   16. 移动端专项优化
   ========================================================= */
@media (max-width: 768px) {
  .topbar {
    font-size: 11.5px;
  }
  .topbar .track {
    gap: 30px;
    padding: 6px 0;
    animation-duration: 22s;
  }
  .hero {
    padding: 30px 0 40px;
  }
  .hero .wrap {
    gap: 10px;
    text-align: left;
  }
  .hero-badge {
    margin-bottom: 14px;
    font-size: 12px;
    padding: 5px 12px 5px 6px;
  }
  .hero-badge b {
    padding: 2px 8px;
    font-size: 10.5px;
  }
  .hero h1 {
    font-size: 30px;
    margin-bottom: 12px;
    line-height: 1.25;
    text-align: left;
  }
  .hero-sub {
    font-size: 14px;
    text-align: left;
    margin-bottom: 24px;
  }
  .hero-btns {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }
  .hero-btns .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 15px;
  }
  .hero-download {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 20px;
  }
  .dl-chip {
    justify-content: center;
    padding: 8px 4px;
    font-size: 12px;
    border-radius: 10px;
  }
  .hero-trust {
    justify-content: center;
    gap: 12px;
    font-size: 12px;
  }

  .hero-visual {
    order: 1;
    min-height: 260px;
    margin-top: 10px;
  }
  .stage-3d {
    height: 260px;
    transform: rotateY(-4deg) rotateX(2deg) scale(0.48);
  }
  .float-card {
    display: none;
  }
  @keyframes stageSway {
    0%,
    100% {
      transform: rotateY(-4deg) rotateX(2deg) scale(0.48);
    }
    50% {
      transform: rotateY(-1deg) rotateX(0deg) scale(0.48);
    }
  }

  .section {
    padding: 50px 0;
  }
  .sec-head {
    margin-bottom: 30px;
  }
  .sec-title {
    font-size: 24px;
  }
  .sec-desc {
    font-size: 14px;
  }
}
@media (max-width: 420px) {
  .hero h1 {
    font-size: 26px;
  }
  .hero-visual {
    min-height: 220px;
  }
  .stage-3d {
    height: 220px;
    transform: rotateY(-4deg) rotateX(2deg) scale(0.4);
  }
  @keyframes stageSway {
    0%,
    100% {
      transform: rotateY(-4deg) rotateX(2deg) scale(0.4);
    }
    50% {
      transform: rotateY(-1deg) rotateX(0deg) scale(0.4);
    }
  }
}

/* =========================================================
   17. 移动端页脚紧凑优化
   ========================================================= */
@media (max-width: 768px) {
  .footer {
    padding: 40px 0 24px;
    margin-top: 50px;
  }
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 30px;
  }
  .foot-brand {
    text-align: center;
  }
  .foot-brand .logo {
    justify-content: center;
    margin-bottom: 12px;
  }
  .foot-brand p {
    font-size: 12.5px;
    margin: 8px 0 16px;
    max-width: 100%;
    line-height: 1.6;
    color: var(--text-3);
  }
  .foot-social {
    justify-content: center;
    gap: 8px;
  }
  .foot-social a {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 10px;
  }
  .foot-col {
    background: rgba(180, 150, 255, 0.05);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
  }
  .foot-heading {
    font-size: 14.5px;
    margin-bottom: 12px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .foot-heading::before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 14px;
    background: var(--rb);
    border-radius: 2px;
  }
  .foot-col ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
  }
  .foot-col a {
    font-size: 13px;
    color: var(--text-3);
    padding: 2px 0;
    transition: color 0.2s;
  }
  .foot-bottom {
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    text-align: center;
    font-size: 12px;
  }
  .foot-bottom .links {
    justify-content: center;
    gap: 12px;
  }
}
@media (max-width: 480px) {
  .footer {
    padding: 30px 0 20px;
  }
  .foot-grid {
    gap: 16px;
    margin-bottom: 24px;
  }
  .foot-col {
    padding: 14px 12px;
  }
  .foot-heading {
    font-size: 13.5px;
    margin-bottom: 10px;
  }
  .foot-col ul {
    gap: 6px 12px;
  }
  .foot-col a {
    font-size: 12px;
  }
  .foot-brand p {
    font-size: 12px;
  }
}

/* 减少动态效果偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}