:root {
  --max-width: 1200px;
  --header-height: 64px;
  --radius: 10px;
  /* 页头配色：背景透明，浮于首屏之上 */
  --header-bg: transparent;    /* 页头背景（透明） */
  --header-text: #ffffff;      /* 页头文字（浅色，衬深色首屏） */
  --header-muted: rgba(255, 255, 255, 0.75); /* 页头次要文字 */
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px; /* 给固定页头留出锚点偏移 */
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;

  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 页头（固定吸顶；首屏透明，下拉后毛玻璃） ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--header-bg);
  color: var(--header-text);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}

/* 下拉后吸附样式 */
.site-header.is-scrolled {
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* 页头内部布局：品牌 | 可折叠菜单 */
.site-header__inner {
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: 40px;
}

/* 菜单区：桌面端横向占满，内含导航与操作区 */
.site-header__menu {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 40px;
}

/* Logo 图片 */
.logo__img {
  height: 34px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer__brand .logo__img {
  height: 40px;
}

/* 品牌：V 形标记 + 文字 */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--header-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
}

/* V 形标记小方块 */
.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: linear-gradient(135deg, #7c5cff, #4f46e5);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}

/* 主导航：水平排列，占据中部弹性空间 */
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.nav__link {
  color: var(--header-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav__link:hover {
  color: var(--header-text);
}

/* 右侧操作区：文字链接 + 主按钮 */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* 通用按钮 */
.btn {
  display: inline-block;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s, opacity 0.2s;
}

/* 胶囊按钮（立即体验）：白底深字，圆角到底 */
.btn--pill {
  padding: 8px 22px;
  border-radius: 999px;
  background: #fff;
  color: #0b0d12;
  font-weight: 600;
}

.btn--pill:hover {
  opacity: 0.88;
}

.btn:active {
  transform: translateY(1px);
}

/* 汉堡按钮：默认隐藏，仅移动端显示 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--header-text);
  border-radius: 2px;
}

/* ===== 响应式：移动端折叠导航 ===== */
@media (max-width: 900px) {
  /* 显示汉堡按钮 */
  .nav-toggle {
    display: flex;
  }

  /* 移动端：语言切换器移到汉堡按钮左侧（不随折叠菜单收起），仅当其紧邻汉堡时生效 */
  .site-header__inner {
    gap: 14px;
  }
  .lang-switch + .nav-toggle {
    margin-left: 0;
  }
  .site-header__inner > .lang-switch {
    margin-left: auto;
    margin-right: 0;
  }

  /* 整个菜单区收起为下拉面板，默认隐藏 */
  .site-header__menu {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    /* 下拉面板加深色毛玻璃，避免透明背景上文字看不清 */
    background: rgba(11, 13, 18, 0.92);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 20px 20px;
    display: none;
  }

  /* JS 给 header 加 .nav-open 时展开 */
  .site-header.nav-open .site-header__menu {
    display: flex;
  }

  /* 下拉态下导航与操作区竖向排列 */
  .nav,
  .site-header__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
  }

  .nav__link {
    padding: 12px 0;
  }

  .site-header__actions {
    padding-top: 8px;
  }
}

/* ===== 首屏视频轮播 Banner ===== */
.hero-banner {
  position: relative;
  width: 100%;
  height: 100vh;            /* 占满首屏，可按需改成固定高度如 680px */
  min-height: 520px;
  overflow: hidden;
  background: #0b0d12;       /* 视频未加载时的底色 */
}

/* 幻灯片轨道铺满整个 banner */
.hero-banner__track {
  position: absolute;
  inset: 0;
}

/* 单张幻灯片：叠放在一起，默认用 CSS 淡入淡出（无 JS/无 GSAP 时的降级） */
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  will-change: opacity, transform, filter;
  /* 视频缺失时的渐变占位，避免空白破图 */
  background: linear-gradient(135deg, #1b1f3a, #0b0d12 60%);
}

/* 当前激活的幻灯片显示 */
.slide.is-active {
  opacity: 1;
}

/* GSAP 接管时关闭 CSS 过渡，避免与 JS 动画叠加 */
.hero-banner.is-gsap .slide {
  transition: none;
}

/* 视频铺满并裁剪填充 */
.slide__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 顶部 + 底部压暗渐变：顶部衬白字，底部与下方内容柔和衔接 */
.hero-banner__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.12) 26%,
    rgba(0, 0, 0, 0) 50%,
    rgba(0, 0, 0, 0.15) 78%,
    rgba(0, 0, 0, 0.7) 100%
  );
}

/* 四周暗角：径向渐变压暗四角，聚焦中心、增强电影感 */
.hero-banner__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: radial-gradient(
    120% 120% at 50% 45%,
    rgba(0, 0, 0, 0) 55%,
    rgba(0, 0, 0, 0.35) 100%
  );
}

/* ===== 首屏文字层：原创「AI 影目」电影编目式 ===== */
.hero-banner__content {
  position: absolute;
  left: clamp(20px, 6vw, 88px);
  bottom: clamp(48px, 12vh, 120px);
  z-index: 4;
  display: flex;
  align-items: flex-end;
  gap: 22px;
  color: #fff;
  max-width: min(680px, 80vw);
  pointer-events: none; /* 标签/链接单独恢复可点 */
  /* 鼠标视差位移由 JS 写入 --px/--py */
  transform: translate3d(
    calc(var(--px, 0) * 1px),
    calc(var(--py, 0) * 1px),
    0
  );
  transition: transform 0.3s ease-out;
}

/* 左侧大序号 */
.hero-index {
  display: flex;
  align-items: baseline;
  line-height: 0.9;
  flex: none;
}

.hero-index__cur {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.5));
}

.hero-index__total {
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 4px;
}

/* 右侧信息块，左侧有一道竖向强调线 */
.hero-meta {
  position: relative;
  padding-left: 22px;
  border-left: 2px solid rgba(255, 255, 255, 0.35);
}

.hero-kicker {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 10px;
}

/* 片名（乱码解码动效填充文字） */
.hero-film {
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
  filter: drop-shadow(0 2px 14px rgba(0, 0, 0, 0.45));
  /* 解码时的随机字用等宽，减少抖动 */
  font-feature-settings: "tnum";
}

/* 类型标签芯片 */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.hero-tag {
  pointer-events: auto;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.hero-scene {
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
  max-width: 36ch;
}

/* 窄屏：序号与信息块改为上下排列 */
@media (max-width: 640px) {
  .hero-banner__content {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    max-width: 88vw;
  }
}

/* 缩略图指示器：竖向排列，靠右；整列由 JS 纵向位移，使激活项居中 */
.hero-banner__dots {
  position: absolute;
  right: 32px;
  top: 50%;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  /* 切换时整列平滑滚动，让选中项滑到中点 */
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  /* 上下两端渐隐：让列首尾的缩略图逐渐淡出消失，而非整齐透明 */
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    #000 22%,
    #000 78%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    #000 22%,
    #000 78%,
    transparent 100%
  );
}

/* 单个封面缩略图按钮：未选中 28px */
.hero-banner__thumb {
  position: relative;
  width: 28px;
  height: 28px;
  flex: none;
  padding: 0;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.75;
  /* 缩略图缺失时的渐变占位 */
  background: linear-gradient(135deg, #2a2f55, #0b0d12);
  background-size: cover;
  background-position: center;
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

.hero-banner__thumb:hover {
  opacity: 1;
}

/* 激活态：放大到 40px + 不透明（无外边框） */
.hero-banner__thumb.is-active {
  width: 40px;
  height: 40px;
  opacity: 1;
}

/* 移动端缩小高度，圆点内收 */
@media (max-width: 768px) {
  .hero-banner {
    height: 70vh;
    min-height: 420px;
  }
  .hero-banner__dots {
    right: 16px;
  }
}

/* 尊重用户的减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .slide {
    transition: none;
  }
}

/* ===== 图生视频：左右编辑式（中性灰黑，无彩色渐变） ===== */
.process {
  position: relative;
  overflow: hidden;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(72px, 11vh, 130px) 0;
}

/* 背景装饰：一侧极淡中性光 + 细网格 */
.process__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.process__bg::before {
  content: "";
  position: absolute;
  top: -10%;
  left: 58%;
  width: 720px;
  height: 720px;
  background: radial-gradient(
    closest-side,
    rgba(255, 255, 255, 0.07),
    rgba(255, 255, 255, 0) 70%
  );
}

.process__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(90% 70% at 60% 40%, #000, transparent 85%);
  mask-image: radial-gradient(90% 70% at 60% 40%, #000, transparent 85%);
}

/* 顶部标题：左置大字，刻意不居中 */
.process__head {
  position: relative;
  z-index: 5; /* 置于散落缩略图之上，避免人设标被遮挡 */
  max-width: 1240px;
  margin: 0 auto clamp(20px, 3vh, 36px);
  padding: 0 clamp(24px, 5vw, 80px);
}

.process__kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 18px;
}

.process__kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
}

/* 大字标题：两行各自成行，避免怪异断词 */
.process__title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.005em;
  margin: 0 0 16px;
}

.process__title .line {
  display: block;
}

.process__title .line:last-child {
  /* 第二行略小并降一点透明，形成主次层次 */
  font-size: 0.92em;
}

.process__sub {
  font-size: clamp(0.95rem, 1.4vw, 1.2rem);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* 员工人设小标：头像 + 在岗状态 */
.process__persona {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 6px 16px 6px 6px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.process__avatar {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  color: #0a0b0d;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* 在岗绿点 */
.process__persona::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3ddc84;
  box-shadow: 0 0 8px 1px rgba(61, 220, 132, 0.8);
}

/* 拼贴舞台：演示框居中略偏 + 四周散落的场景缩略图 */
.process__band {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  /* 顶部留白加大，给上排缩略图与标题/人设标留出安全距离 */
  padding: clamp(56px, 8vh, 110px) clamp(60px, 10vw, 150px) clamp(30px, 6vh, 70px);
}

/* —— 演示框：居中、轻微倾斜，打破横平竖直 —— */
.compare {
  position: relative;
  z-index: 2;
  width: 100%;
  height: clamp(380px, 56vh, 620px);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.65);
  transform: rotate(-2deg);
  user-select: none;
  touch-action: pan-y;
}

.compare__video,
.compare__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 上层原图：只显示从左到 --pos 的部分 */
.compare__before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

/* 角标 */
.compare__tag {
  position: absolute;
  top: 16px;
  z-index: 3;
  padding: 4px 12px;
  font-size: 0.8rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
}

.compare__tag--before {
  left: 16px;
}

.compare__tag--after {
  right: 16px;
}

/* 扫描光带：跟随 --pos，发光竖线 + 柔光晕 */
.compare__scan {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  z-index: 4;
  width: 0;
  pointer-events: none;
}

.compare__scan::before {
  /* 发光竖线 */
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 18px 3px rgba(255, 255, 255, 0.85);
}

.compare__scan::after {
  /* 扫描柔光晕 */
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -36px;
  width: 72px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.16) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  filter: blur(3px);
}

/* 扫描到边缘时光带淡出 */
.compare.is-idle .compare__scan {
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* 生成状态小标 */
.compare__status {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.compare__status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 8px 2px rgba(255, 255, 255, 0.8);
  animation: scanPulse 1.2s ease-in-out infinite;
}

@keyframes scanPulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

/* 三步流程：竖向极简列表 + 细分隔线 + 细描边编号 */
/* 散落的场景缩略图：绝对定位于演示框四周，各自不同角度/大小 */
.process__examples {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none; /* 容器不挡，仅缩略图可点 */
}

.process__ex {
  position: absolute;
  pointer-events: auto;
  width: 116px;
  height: 76px;
  padding: 0;
  border: 3px solid #14161c;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  opacity: 0.92;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55);
  transition: transform 0.3s ease, opacity 0.25s ease, box-shadow 0.25s ease;
}

.process__ex:hover {
  opacity: 1;
  transform: rotate(0deg) scale(1.08) !important;
  z-index: 6;
}

.process__ex.is-active {
  opacity: 1;
  border-color: #fff;
}

/* 散落定位（13 张）：围绕演示框沿四周均衡错落，避开中央画面 */
.process__ex:nth-child(1) { top: -16px;  left: 6%;   width: 112px; height: 72px; transform: rotate(-5deg); }
.process__ex:nth-child(2) { top: -16px;  right: 6%;  width: 112px; height: 72px; transform: rotate(5deg); }
.process__ex:nth-child(3) { top: 16%;    left: -34px; width: 104px; height: 68px; transform: rotate(6deg); }
.process__ex:nth-child(4) { bottom: 18%; left: -30px; width: 104px; height: 68px; transform: rotate(-5deg); }
.process__ex:nth-child(5) { top: 13%;    right: -34px; width: 104px; height: 68px; transform: rotate(-6deg); }
.process__ex:nth-child(6) { bottom: 20%; right: -30px; width: 104px; height: 68px; transform: rotate(5deg); }
.process__ex:nth-child(7) { bottom: -36px; left: 43%; width: 110px; height: 70px; transform: rotate(4deg); }
.process__ex:nth-child(8)  { top: -18px;    left: 30%;   width: 108px; height: 70px; transform: rotate(-3deg); }
.process__ex:nth-child(9)  { top: -18px;    left: 62%;   width: 108px; height: 70px; transform: rotate(4deg); }
.process__ex:nth-child(10) { bottom: -38px; left: 18%;   width: 106px; height: 68px; transform: rotate(-5deg); }
.process__ex:nth-child(11) { bottom: -38px; left: 68%;   width: 106px; height: 68px; transform: rotate(5deg); }
.process__ex:nth-child(12) { top: 45%;      left: -32px; width: 102px; height: 66px; transform: rotate(6deg); }
.process__ex:nth-child(13) { top: 47%;      right: -32px; width: 102px; height: 66px; transform: rotate(-6deg); }

/* 三步流程：错落锯齿排布，不对齐 */
.process__steps {
  position: relative;
  z-index: 2;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(18px, 3vw, 48px);
  max-width: 1100px;
  margin: clamp(48px, 7vh, 88px) auto 0;
  padding: 0 clamp(24px, 5vw, 60px);
}

.process__steps li {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 280px;
}

/* 错落：三步各自不同的垂直偏移与微倾 */
.process__steps li:nth-child(1) { transform: translateY(0) rotate(-1.5deg); }
.process__steps li:nth-child(2) { transform: translateY(34px) rotate(1deg); }
.process__steps li:nth-child(3) { transform: translateY(-12px) rotate(-0.5deg); }

.process__num {
  flex: none;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #fff;
}

.process__steps b {
  display: block;
  margin-bottom: 2px;
  font-size: 1rem;
}

.process__steps p {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

/* 窄屏：取消散落与倾斜，转为整齐可用布局 */
@media (max-width: 820px) {
  .process__band {
    padding: 24px;
  }
  .compare {
    height: clamp(280px, 48vh, 420px);
    transform: none;
  }
  /* 缩略图改为底部可横滑的一行 */
  .process__examples {
    position: static;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 14px 4px 0;
    scrollbar-width: none;
  }
  .process__examples::-webkit-scrollbar { display: none; }
  .process__ex {
    position: static;
    flex: none;
    width: 84px;
    height: 54px;
    transform: none !important;
    border-width: 2px;
  }
  .process__steps {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .process__steps li {
    transform: none !important;
    max-width: none;
  }
}

/* ===== 参考生视频：视觉等式 ===== */
.ref {
  position: relative;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(72px, 11vh, 130px) 0;
}

.ref__inner {
  width: 100%;
  max-width: 1060px;
  /* 整块靠左：右侧留空，与下方图生视频形成左右错落 */
  margin: 0 auto 0 0;
  padding: 0 clamp(24px, 4vw, 64px);
}

.ref__head {
  max-width: 640px;
  margin: 0 0 clamp(36px, 6vh, 60px);
}

.ref__badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: #0a0b0d;
  background: #fff;
  border-radius: 999px;
  margin-bottom: 18px;
}

.ref__title {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 800;
  margin: 0 0 12px;
}

.ref__sub {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* 非对称错落布局：左参考主体（阶梯）+ 右主导成片 */
.ref__scene {
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) 1.38fr;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}

/* 左：参考主体阶梯错位 */
.ref__refs {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.6vh, 20px);
  position: relative;
  z-index: 2;
}

.ref__chip {
  position: relative;
  margin: 0;
  width: clamp(120px, 13vw, 168px);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}

/* 阶梯错位：逐张右移 + 交替微倾，并向右探入成片 */
.ref__chip:nth-child(1) { transform: translateX(0) rotate(-3deg); }
.ref__chip:nth-child(2) { transform: translateX(38px) rotate(2deg); }
.ref__chip:nth-child(3) { transform: translateX(14px) rotate(-1.5deg); }

.ref__chip:hover {
  transform: translateX(20px) rotate(0) scale(1.04);
  z-index: 3;
}

.ref__chip img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.ref__chip figcaption {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 2px 10px;
  font-size: 0.72rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
}

/* 连接箭头：每张参考主体右侧指向成片 */
.ref__chip::after {
  content: "→";
  position: absolute;
  right: -26px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.4);
}

/* 右：主导成片（略大并轻微倾斜，打破横平竖直） */
.ref__result {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 36px 80px rgba(0, 0, 0, 0.6);
  transform: rotate(-1.2deg);
}

.ref__main {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 一致印签 */
.ref__seal {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 13px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #0a0b0d;
  background: #3ddc84;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(61, 220, 132, 0.4);
}

/* 示例切换：浮于成片右下 */
.ref__switch {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 6px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.ref__sw {
  width: 56px;
  height: 36px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s, border-color 0.2s;
}

.ref__sw:hover {
  opacity: 0.9;
}

.ref__sw.is-active {
  opacity: 1;
  border-color: #fff;
}

/* 能力卡：内容化视觉 + 玻璃辉光 */
.ref__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: clamp(28px, 5vh, 48px);
}

.ref__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 30px 32px 32px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

/* 右上柔光 */
.ref__card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.12), transparent 70%);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.35s ease;
}

.ref__card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.26);
}

.ref__card:hover::before {
  opacity: 1;
}

/* —— 视觉区通用 —— */
.ref__card-visual {
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
}

/* 多主体：重叠头像，悬停散开 */
.ref__avatars {
  padding-left: 6px;
}

.ref__avatars img {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  object-fit: cover;
  border: 2px solid #15171d;
  margin-left: -18px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.45);
  transition: margin-left 0.35s ease, transform 0.35s ease;
}

.ref__avatars img:first-child {
  margin-left: 0;
}

.ref__card:hover .ref__avatars img {
  margin-left: -8px;
}

.ref__avatars-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin-left: -18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  transition: margin-left 0.35s ease;
}

.ref__card:hover .ref__avatars-more {
  margin-left: -8px;
}

.ref__avatars-badge {
  position: absolute;
  top: -6px;
  right: 0;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #0a0b0d;
  background: #3ddc84;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(61, 220, 132, 0.4);
}

/* 主体库：迷你网格 + 添加格 */
.ref__libgrid {
  display: grid;
  grid-template-columns: repeat(3, 52px);
  grid-auto-rows: 52px;
  gap: 8px;
  min-height: auto;
}

.ref__libgrid img {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.25s ease;
}

.ref__card:hover .ref__libgrid img {
  transform: scale(1.05);
}

.ref__libgrid-add {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  font-size: 1.4rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.7);
}

/* —— 文案 —— */
.ref__card-text h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.ref__card-text p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.62);
  margin: 0 0 16px;
}

.ref__card-link {
  font-size: 0.9rem;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.ref__card-link:hover {
  border-color: #fff;
}

/* 窄屏：上下堆叠，参考主体转横排并取消错位 */
@media (max-width: 820px) {
  .ref__scene {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .ref__cards {
    grid-template-columns: 1fr;
  }
  .ref__refs {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .ref__chip {
    transform: none !important;
  }
  .ref__chip::after {
    display: none;
  }
  .ref__result {
    transform: none;
  }
  .ref__cards {
    grid-template-columns: 1fr;
  }
}

/* —— 右侧悬浮信息卡 —— */
.ref__float {
  position: absolute;
  top: 50%;
  /* 往 ref__inner 靠近一点 */
  right: clamp(40px, 12vw, 210px);
  transform: translateY(-48%);
  z-index: 2;
  width: clamp(460px, 40vw, 620px);
  display: flex;
  flex-direction: column;
  gap: 92px;
  pointer-events: none;
}

.ref__float-note {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-style: italic;
  color: #6fe3b0;
  transform: rotate(-9deg) translate(-90px, -10px);
  margin-bottom: 2px;
}

.ref__fcard {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(18, 24, 21, 0.66);
  border: 1px solid rgba(61, 220, 132, 0.18);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

/* 散乱错落：各卡不同宽度 + 不规则偏移与微旋转 */
.ref__fcard--a {
  width: 290px;
  align-self: flex-end;
  transform: rotate(5deg) translate(108px, -46px);
}
.ref__fcard--b {
  width: 326px;
  align-self: flex-start;
  transform: rotate(-4deg) translate(18px, 58px);
}

.ref__fico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 11px;
  background: rgba(61, 220, 132, 0.14);
  color: #3ddc84;
  font-size: 1.1rem;
}

/* 发光圆点图标 */
.ref__fico--dot {
  position: relative;
}
.ref__fico--dot::after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #3ddc84;
  box-shadow: 0 0 12px 3px rgba(61, 220, 132, 0.7);
}

.ref__fcard h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.ref__fcard p {
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* 两个小数据卡：靠左、反向微旋转散开 */
.ref__fstats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  width: 270px;
  align-self: flex-start;
  transform: rotate(-5deg) translate(180px, 14px);
}

/* 两个数据卡各自再错开，打破对齐 */
.ref__fstat:nth-child(1) {
  transform: translateY(-26px) rotate(-3deg);
}
.ref__fstat:nth-child(2) {
  transform: translateY(48px) rotate(5deg);
}

.ref__fstat {
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(18, 24, 21, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.ref__fstat b {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.ref__green {
  color: #3ddc84;
}

.ref__fstat span {
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.5);
}

/* 仅宽屏显示悬浮卡（右侧有空间时） */
@media (max-width: 1240px) {
  .ref__float {
    display: none;
  }
}

/* ===== 图生视频：左文案 + 播放器卡 + 创作栏 ===== */
.i2v {
  position: relative;
  overflow: hidden;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(40px, 7vh, 80px) 0 clamp(56px, 9vh, 100px);
}

.i2v__inner {
  position: relative;
  width: 100%;
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 56px);
}

.i2v__top {
  display: grid;
  /* 外层两栏：左创作面板（独立） | 右整体模块(播放器+文案) */
  grid-template-columns: 0.78fr 1.68fr;
  align-items: center;
  gap: clamp(24px, 3vw, 56px);
}

/* 右侧整体模块：完全恢复原来的 播放器(左) + 文案(右) 两栏，创作栏整条在下方 */
.i2v__group {
  display: grid;
  grid-template-columns: 1.3fr 0.82fr;
  align-items: center;
  column-gap: clamp(22px, 2.6vw, 48px);
  row-gap: 0;
  perspective: 1600px;
}

/* 创作栏与提示横跨整组、落在播放器下方 */
.i2v__group .i2v__bar,
.i2v__group .i2v__note {
  grid-column: 1 / -1;
}

/* —— 左：创作面板 —— */
.i2v__story-title {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 800;
  margin: 0 0 8px;
}

.i2v__story-sub {
  font-size: clamp(0.88rem, 1.2vw, 1rem);
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 24px;
}

.i2v__deck {
  display: flex;
  padding: 16px 0 24px 28px;
  margin-bottom: 4px;
}

.i2v__deck-card {
  position: relative;
  flex: none;
  width: 104px;
  aspect-ratio: 3 / 4;
  margin-left: -32px;
  border-radius: 13px;
  overflow: hidden;
  border: 2px solid #14161c;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.5);
  transform-origin: bottom center;
  transition: transform 0.3s ease;
}

.i2v__deck-card:first-child { margin-left: 0; }
/* 三张卡：对称扇形铺开 */
.i2v__deck-card:nth-child(1) { transform: rotate(-8deg) translateY(12px); z-index: 1; }
.i2v__deck-card:nth-child(2) { transform: rotate(0deg) translateY(0); z-index: 3; }
.i2v__deck-card:nth-child(3) { transform: rotate(8deg) translateY(12px); z-index: 2; }

.i2v__deck-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.i2v__deck-tag {
  position: absolute;
  top: 7px;
  left: 7px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 0.68rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}

.i2v__pd {
  position: relative;
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.i2v__pd-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #e0a45e;
  margin-bottom: 10px;
}

.i2v__pd-text {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.i2v__pd-count {
  position: absolute;
  right: 16px;
  bottom: 12px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.4);
}

.i2v__pd-orbit {
  position: absolute;
  right: 16px;
  top: 14px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(224, 164, 94, 0.6);
}
.i2v__pd-orbit::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #e0a45e;
  box-shadow: 0 0 8px 1px rgba(224, 164, 94, 0.8);
}

.i2v__steps3 {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.i2v__step3 {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  flex: 1;
  min-width: 90px;
}

.i2v__step3-ico {
  flex: none;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.95rem;
}

.i2v__step3 b { display: block; font-size: 0.82rem; }
.i2v__step3 span { font-size: 0.68rem; color: rgba(255, 255, 255, 0.5); }
.i2v__step3-arrow { color: rgba(255, 255, 255, 0.35); font-size: 0.95rem; }

.i2v__chips3 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.i2v__chip3 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.82);
}

.i2v__chip3 i { color: #e0a45e; font-size: 1rem; }

/* 预留底部空间，确保左侧按钮落在浮动创作栏上方、不重叠 */
/* —— 右栏：文案 —— */
.i2v__badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  margin-bottom: 18px;
}

.i2v__title {
  font-size: clamp(2.2rem, 4.8vw, 3.7rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
}

/* “视频”用浅一档同色，做主次而非渐变 */
.i2v__title-accent {
  color: rgba(255, 255, 255, 0.5);
}

.i2v__sub {
  font-size: clamp(0.95rem, 1.3vw, 1.12rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 24px;
}

/* 特性三项：单行横排，标题不折行 */
.i2v__feats {
  list-style: none;
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(12px, 1.6vw, 22px);
  margin: 0 0 26px;
  padding: 0;
}

.i2v__feats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.i2v__feat-ico {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.i2v__feats b {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: normal;
  margin-bottom: 2px;
}

.i2v__feats div span {
  display: block;
  font-size: 0.74rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.5);
}

/* 动作按钮 */
.i2v__actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.i2v__ghost {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.i2v__ghost:hover {
  color: #fff;
}

/* 右列加透视，承载 3D 内倾 */
.i2v__right {
  perspective: 1600px;
}

/* —— 左：播放器卡 + 层叠纵深 —— */
.i2v__stack {
  position: relative;
  margin-top: 0;
  /* 向左内倾，制造纵深视觉 */
  transform: perspective(1600px) rotateY(8deg);
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

/* 悬停回正，增强交互感 */
.i2v__stack:hover {
  transform: rotateY(0deg) rotateX(0deg);
}

/* 背后两层错位卡，制造纵深 */
.i2v__layer {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transform: translate(24px, -10px);
  z-index: 0;
}

.i2v__layer--2 {
  transform: translate(46px, -20px);
  opacity: 0.55;
}

.i2v__player {
  position: relative;
  z-index: 1;
  aspect-ratio: 16 / 11;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 36px 80px rgba(0, 0, 0, 0.6);
}

.i2v__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 切换时下一段从底部上滑覆盖 */
.i2v__video.is-sliding {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 生成完成状态 */
.i2v__status {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  font-size: 0.76rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
}

.i2v__status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3ddc84;
  box-shadow: 0 0 8px 1px rgba(61, 220, 132, 0.8);
}

/* —— 创作栏：宽幅浮条，横跨底部、轻叠播放器下沿 —— */
.i2v__bar {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 16px;
  width: auto;
  margin-top: clamp(28px, 5vh, 56px); /* 与播放器拉开距离 */
  padding: 14px 18px;
  border-radius: 20px;
  background: rgba(20, 22, 28, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
}

.i2v__thumb {
  position: relative;
  flex: none;
}

.i2v__thumb-img {
  width: 88px;
  height: 56px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.i2v__plus {
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.i2v__promptbox {
  flex: 1;
  min-width: 0;
  padding-left: 16px;
}

.i2v__pb-label {
  display: block;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

.i2v__prompt {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.92);
  min-height: 1.4em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.i2v__prompt::after {
  content: "▋";
  margin-left: 1px;
  color: rgba(255, 255, 255, 0.5);
  animation: i2vCaret 1s steps(1) infinite;
}

.i2v__prompt.is-done::after {
  content: "";
}

@keyframes i2vCaret {
  50% { opacity: 0; }
}

.i2v__style {
  flex: none;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: transparent;
  color: #fff;
  font-size: 0.86rem;
  cursor: pointer;
  transition: background 0.2s;
}

.i2v__style:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 圆形生成按钮（图标 + 文字竖排） */
.i2v__gen {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 84px;
  height: 84px;
  border: none;
  border-radius: 50%;
  background: #fff;
  color: #0a0b0d;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  transition: transform 0.12s, opacity 0.2s;
}

.i2v__gen-ico {
  font-size: 1.1rem;
}

.i2v__gen:hover { opacity: 0.9; }
.i2v__gen:active { transform: scale(0.96); }

/* 手写体提示 */
.i2v__note {
  display: block;
  margin: 12px 0 0 6px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.4);
}


/* 中等屏：创作面板移到上方，右侧模块整体在下 */
@media (max-width: 1100px) {
  .i2v__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* 窄屏 */
@media (max-width: 900px) {
  .i2v__top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .i2v__group {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .i2v__left {
    text-align: left;
  }
  .i2v__feats {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .i2v__feats li {
    flex-direction: column;
  }
  .i2v__feats div {
    text-align: center;
  }
  .i2v__actions {
    justify-content: flex-start;
  }
  .i2v__stack {
    transform: none;
    margin-top: 0;
  }
  .i2v__bar {
    flex-wrap: wrap;
  }
  .i2v__promptbox {
    order: 3;
    width: 100%;
    padding-left: 0;
    padding-top: 6px;
  }
}

/* ===== 场景案例 ===== */
.scn {
  position: relative;
  overflow: hidden;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(64px, 10vh, 110px) 0 clamp(72px, 11vh, 120px);
}

/* 背景层：当前卡片缩略图，模糊压暗作氛围底 */
.scn__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  filter: blur(64px) brightness(0.45) saturate(1.1);
  opacity: 0.26;
  transform: scale(1.15);
  pointer-events: none;
  transition: opacity 0.5s ease;
  /* 色光只集中在中部，两端完全渐隐回纯黑，远离模块交界，消除撕裂 */
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0,
    #000 42%,
    #000 66%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0,
    #000 42%,
    #000 66%,
    transparent 100%
  );
}

/* 背景超大描边字 */
.scn__ghost {
  position: absolute;
  top: clamp(8px, 2vh, 28px);
  right: clamp(-10px, 2vw, 40px);
  z-index: 0;
  font-size: clamp(90px, 16vw, 240px);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
  user-select: none;
}

.scn__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 64px);
}

/* 头部：左标题区 + 右胶囊 */
.scn__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(32px, 5vh, 56px);
}

.scn__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 14px;
}

.scn__label i {
  width: 3px;
  height: 14px;
  background: #fff;
  border-radius: 2px;
}

.scn__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
}

.scn__sub {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 24px;
  max-width: 46ch;
}

.scn__explore {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
}

.scn__explore:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

/* 右上胶囊组 */
.scn__chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.scn__chip {
  padding: 8px 16px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

/* 卡片行 */
.scn__cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(18px, 2.2vw, 34px);
}

.scn-card {
  position: relative;
  aspect-ratio: 9 / 15;
  overflow: hidden;
  border-radius: 14px;
  background-color: #14161c;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  /* 整卡平行四边形倾斜 */
  transform: skewX(-7deg);
}

/* 背景图：反向 skew 抵消，放大铺满平行四边形 */
.scn-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: skewX(7deg) scale(1.18);
  transform-origin: center;
}

/* 底部压暗渐变，让文字清晰 */
.scn-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.4) 38%,
    rgba(0, 0, 0, 0) 62%
  );
}

.scn-card:hover {
  transform: skewX(-7deg) translateY(-8px);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.6);
}

/* 选中卡片高亮 */
.scn-card.is-active {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.7), 0 28px 60px rgba(0, 0, 0, 0.6);
}

/* 内容反向 skew 保持端正 */
.scn-card__ico,
.scn-card__body,
.scn-card__num {
  transform: skewX(7deg);
}

.scn-card__ico {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  font-size: 1rem;
}

.scn-card__body {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 2;
}

.scn-card__body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.scn-card__body p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

.scn-card__num {
  position: absolute;
  right: 14px;
  bottom: 12px;
  z-index: 2;
  font-size: 1.6rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.35);
}

/* 指示点 */
.scn__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: clamp(28px, 4vh, 44px);
}

.scn__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
}

.scn__dots span.is-active {
  width: 22px;
  border-radius: 999px;
  background: #fff;
}

/* 响应式 */
@media (max-width: 1000px) {
  .scn__cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .scn__head {
    flex-direction: column;
  }
  .scn__chips {
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .scn__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Remix Icon 内联对齐微调 */
.show__badge i,
.scn__chip i,
.show-card__stats i,
.i2v__feat-ico i,
.show__mini-ico i {
  vertical-align: -0.08em;
}

/* ===== 成品展示墙 / Showcase ===== */
.show {
  --accent: #3b6cff;
  position: relative;
  overflow: hidden;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(64px, 10vh, 110px) 0;
}

.show__inner {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 64px);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(28px, 3vw, 56px);
  align-items: start;
}

/* —— 左侧信息栏（吸顶跟随） —— */
.show__side {
  position: sticky;
  top: 24px;
}

.show__badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.76rem;
  color: var(--accent);
  background: rgba(59, 108, 255, 0.12);
  border: 1px solid rgba(59, 108, 255, 0.3);
  border-radius: 999px;
  margin-bottom: 20px;
}

.show__title {
  position: relative;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  margin: 0 0 18px;
}

.show__title > span {
  display: block;
  position: relative;
  z-index: 1;
}

.show__accent {
  color: var(--accent);
}

.show__ghost {
  position: absolute;
  top: -0.4em;
  left: -0.04em;
  z-index: 0;
  font-size: 1.7em;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.show__script {
  position: absolute;
  right: 0;
  bottom: -0.2em;
  font-style: italic;
  font-weight: 400;
  font-size: 0.34em;
  color: rgba(255, 255, 255, 0.4);
}

.show__sub {
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 22px;
}

/* 分类标签 */
.show__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.show__tab {
  padding: 7px 16px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.show__tab:hover {
  color: #fff;
}

.show__tab.is-active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

/* 两张小卡 */
.show__minis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.show__mini {
  position: relative;
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.show__mini-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 9px;
  background: rgba(59, 108, 255, 0.16);
  color: var(--accent);
  font-size: 1rem;
}

.show__mini h4 {
  font-size: 0.92rem;
  margin: 0 0 6px;
}

.show__mini p {
  font-size: 0.76rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.show__mini-go {
  position: absolute;
  right: 14px;
  bottom: 14px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

/* 统计卡 */
.show__stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.show__ring {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 78%, rgba(255, 255, 255, 0.12) 0);
  -webkit-mask: radial-gradient(closest-side, transparent 64%, #000 66%);
  mask: radial-gradient(closest-side, transparent 64%, #000 66%);
}

.show__stat-text {
  flex: 1;
}

.show__stat-text b {
  font-size: 1.5rem;
  font-weight: 800;
  margin-right: 4px;
}

.show__stat-text span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.show__stat-text p {
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.45);
  margin: 4px 0 0;
}

.show__stat-go {
  color: rgba(255, 255, 255, 0.55);
}

/* —— 右侧多列瀑布流（逐列紧密堆叠，无中间空洞） —— */
.show__grid {
  column-count: 3;
  column-gap: 16px;
}

/* 作品展示：默认半高，底部毛玻璃「虚化」（卡片仍可见），点击「查看更多」展开 */
.show__clip {
  position: relative;
}
.show__clip.is-collapsed {
  max-height: 900px;
  overflow: hidden;
}
/* 底部：轻模糊 + 平滑渐隐到区块背景同色（#0a0b0d），消除硬切/列底参差的割裂感 */
.show__clip.is-collapsed::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 400px;
  pointer-events: none;
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 50%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 50%);
  background: linear-gradient(to bottom,
      rgba(10, 11, 13, 0) 0%,
      rgba(10, 11, 13, 0.3) 50%,
      rgba(10, 11, 13, 1) 100%);
}
.show__more-wrap {
  text-align: center;
  margin-top: 28px;
}
.show__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.show__more:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-1px);
}
.show__more i {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}
.show__more.is-expanded i {
  transform: rotate(180deg);
}

.show-card {
  position: relative;
  display: block;
  width: 100%;
  margin-bottom: 16px;
  border-radius: 14px;
  overflow: hidden;
  break-inside: avoid;
  cursor: pointer;
  background: #14161c;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

/* 大卡：竖向更高，突出展示 */
.show-card--feature {
  aspect-ratio: 4 / 5;
}

.show-card__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 不同比例制造瀑布流错落 */
.show-card--tall { aspect-ratio: 3 / 4.6; }
.show-card--portrait { aspect-ratio: 3 / 4; }
.show-card--wide { aspect-ratio: 4 / 3; }
.show-card--std { aspect-ratio: 16 / 10; }

.show-card__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.show-card.is-playing .show-card__video {
  opacity: 1;
}

/* 底部信息渐变 */
.show-card__info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 40px 14px 12px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
}

.show-card__info h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.show-card__tag {
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.6);
}

.show-card__stats {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.7);
}

.show-card__like {
  color: #ff6b81;
}

/* 播放键 */
.show-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: #0a0b0d;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.15s ease;
}

.show-card:hover .show-card__play {
  opacity: 1;
}

.show-card.is-playing .show-card__play {
  opacity: 0;
}

/* 静态卡（无视频源）：隐藏播放按钮，避免误导可播放 */
.show-card--static .show-card__play {
  display: none;
}

/* 收藏 */
.show-card__mark {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.2s;
}

.show-card__mark:hover {
  background: rgba(0, 0, 0, 0.65);
}

/* 隐藏（筛选时） */
.show-card.is-hidden {
  display: none;
}

/* 响应式 */
@media (max-width: 1080px) {
  .show__inner {
    grid-template-columns: 1fr;
  }
  .show__side {
    position: static;
  }
}

@media (max-width: 760px) {
  .show__grid {
    column-count: 2;
  }
}

@media (max-width: 460px) {
  .show__grid {
    column-count: 1;
  }
}

/* ===== 用户声音 ===== */
.voice {
  --accent: #3b6cff;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(64px, 10vh, 110px) 0;
}

.voice__inner {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 clamp(20px, 3vw, 48px);
}

/* 头部 */
.voice__head {
  text-align: center;
  margin-bottom: clamp(36px, 6vh, 60px);
}

.voice__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 0.78rem;
  color: var(--accent);
  background: rgba(59, 108, 255, 0.12);
  border: 1px solid rgba(59, 108, 255, 0.3);
  border-radius: 999px;
  margin-bottom: 16px;
}

.voice__title {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 800;
  margin: 0 0 12px;
}

.voice__sub {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
}

/* 行：左右箭头 + 视口 */
.voice__row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.voice__arrow {
  flex: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
}

.voice__arrow:hover {
  background: rgba(255, 255, 255, 0.12);
}

.voice__viewport {
  flex: 1;
  overflow: hidden;
  /* 两端轻微虚化，仅柔化边缘、不过度 */
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 1.5%,
    #000 98.5%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 1.5%,
    #000 98.5%,
    transparent 100%
  );
}

.voice__track {
  display: flex;
  gap: 16px;
  align-items: stretch;
  width: max-content;
  padding: 6px 2px 10px;
  /* 无缝自动轮播（内容由 JS 复制一份，位移 -50% 循环） */
  animation: voiceScroll 64s linear infinite;
  will-change: transform;
}

/* 第二行反向滚动，制造左右错落动感 */
.voice__row + .voice__row .voice__track {
  animation-direction: reverse;
  animation-duration: 72s;
}

/* 悬停暂停，便于阅读/查看特写卡 */
.voice__row:hover .voice__track {
  animation-play-state: paused;
}

@keyframes voiceScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .voice__track {
    animation: none;
  }
}

/* 评价卡 */
.voice-card {
  position: relative;
  flex: 0 0 auto;
  width: clamp(210px, 18vw, 252px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: border-color 0.25s, transform 0.25s;
}

.voice-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.22);
}

.voice-card__q {
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: 12px;
}

.voice-card__text {
  flex: 1;
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 18px;
}

.voice-card__foot {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto; /* 始终贴卡片底部，使各卡头像/姓名行对齐 */
}

/* 普通卡的标签芯片移到右上角，避免挤进底部 foot 把姓名行顶歪 */
.voice-card:not(.voice-card--feature) .voice-card__tag {
  position: absolute;
  top: 16px;
  right: 16px;
  margin: 0;
}

.voice-card__avatar {
  flex: none;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #2a2f55, #1b1d28);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.9rem;
  font-weight: 600;
}

.voice-card__who {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.voice-card__who b {
  font-size: 0.9rem;
}

.voice-card__who span {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.5);
}

.voice-card__verify {
  color: var(--accent);
  font-size: 0.85rem;
  vertical-align: -0.05em;
}

.voice-card__rating {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffcf5c;
  opacity: 0;
  transition: opacity 0.45s ease;
}
/* 评分默认隐藏，hover 出图片时一同淡入 */
.voice-card--feature:hover .voice-card__rating {
  opacity: 1;
}

.voice-card__rating i {
  font-size: 0.8rem;
}

/* 标签 */
.voice-card__tag {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
}

.voice-card__tag--a { color: #ffb454; background: rgba(255, 180, 84, 0.14); }
.voice-card__tag--b { color: #5c8cff; background: rgba(92, 140, 255, 0.16); }
.voice-card__tag--c { color: #43d6a0; background: rgba(67, 214, 160, 0.14); }
.voice-card__tag--d { color: #7c9bff; background: rgba(124, 155, 255, 0.16); }

/* 特写大卡：默认右侧带图，hover 图片向右滑出、文字反向位移 */
.voice-card--feature {
  position: relative;
  /* 默认与普通卡同宽（小卡），hover 展开为大卡 */
  width: clamp(210px, 18vw, 252px);
  padding: 0;
  overflow: hidden;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.25s, transform 0.25s;
}

.voice-card--feature:hover {
  width: clamp(380px, 32vw, 460px);
}

.voice-card--feature .voice-card__main {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto; /* 撑满整张卡，使 foot 的 margin-top:auto 真正贴底、各卡用户行对齐 */
  height: 100%;
  padding: 22px; /* 默认文字铺满 */
  transition: padding 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 配图默认隐藏（藏到右侧外），hover 时滑入 */
.voice-card__media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 44%;
  z-index: 1;
  background-size: cover;
  background-position: center;
  transform: translateX(110%);
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.55s ease;
}

/* 图片左缘融入卡片底色 */
.voice-card__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #15171d 0%, rgba(21, 23, 29, 0) 42%);
}

/* hover：图片从右侧滑入显示，文字让出右侧空间 */
.voice-card--feature:hover .voice-card__media {
  transform: translateX(0);
  opacity: 1;
}

.voice-card--feature:hover .voice-card__main {
  padding-right: 42%;
}

/* 数据条 */
.voice__stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: clamp(28px, 4vh, 44px);
  padding: 22px clamp(16px, 2vw, 32px);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.voice__stat > i {
  font-size: 1.5rem;
  color: var(--accent);
}

.voice__stat b {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
}

.voice__stat span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

/* 响应式 */
@media (max-width: 900px) {
  .voice-card--feature {
    width: clamp(320px, 80vw, 460px);
  }
  /* 移动端仅显示一行，第二行隐藏 */
  .voice__row--second {
    display: none;
  }
  .voice__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 12px;
  }
}

@media (max-width: 520px) {
  .voice__arrow {
    display: none;
  }
  .voice__stats {
    grid-template-columns: 1fr;
  }
  .voice-card--feature {
    flex-direction: column;
  }
  .voice-card__media {
    width: 100%;
    height: 140px;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  position: relative;
  overflow: hidden;
  background: #08090c;
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: clamp(56px, 8vh, 88px) 0 clamp(28px, 4vh, 40px);
}

/* 顶部柔光 */
.footer__glow {
  position: absolute;
  top: -160px;
  left: 50%;
  width: 720px;
  height: 320px;
  transform: translateX(-50%);
  background: radial-gradient(
    closest-side,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0) 70%
  );
  pointer-events: none;
}

.footer__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 64px);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(36px, 5vh, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* 品牌区 */
.footer__brand .logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer__brand .logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: #fff;
  color: #08090c;
  font-weight: 800;
  font-size: 0.95rem;
}

.footer__tagline {
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  max-width: 34ch;
  margin: 0 0 22px;
}

.footer__cta {
  font-size: 0.92rem;
}

/* 品牌区社交图标 */
.footer__socials {
  display: inline-flex;
  gap: 10px;
  margin-top: 2px;
}
.footer__socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.footer__socials a:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  transform: translateY(-2px);
}

/* 链接 / 联系列 */
.footer__col-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.footer__links,
.footer__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer__links a,
.footer__contact a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer__links a:hover,
.footer__contact a:hover {
  color: #fff;
}
.footer__contact li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}
.footer__contact li i {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  flex: none;
}
.footer__col--contact .footer__cta {
  margin-top: 18px;
}

/* 底部条 */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: clamp(20px, 3vh, 28px);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer__legal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer__legal a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer__legal a:hover {
  color: #fff;
}

.footer__social {
  display: inline-flex;
  gap: 10px;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.8rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.footer__social a:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  transform: translateY(-2px);
}

/* 响应式 */
@media (max-width: 860px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 32px 28px;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .footer__top {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    justify-content: flex-start;
  }
}

/* ===== 法律页面：隐私政策 / 服务条款 / Cookie 设置 ===== */
.legal-page {
  min-height: 100vh;
  background: #0a0b0d;
  color: rgba(255, 255, 255, 0.78);
}

/* 这些页面没有首屏视频，页头始终保持深色毛玻璃，保证白字可读 */
.legal-page .site-header {
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.legal {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + clamp(40px, 6vh, 76px)) 0
    clamp(56px, 9vh, 100px);
}

/* 顶部柔光装饰，呼应站点其它区块 */
.legal__aura {
  position: absolute;
  top: -220px;
  left: 50%;
  width: 760px;
  height: 460px;
  transform: translateX(-50%);
  background: radial-gradient(
    closest-side,
    rgba(124, 92, 255, 0.18),
    rgba(124, 92, 255, 0) 70%
  );
  pointer-events: none;
  z-index: 0;
}

.legal__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.legal__crumb {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 22px;
}

.legal__crumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.legal__crumb a:hover {
  color: #fff;
}

.legal__crumb i {
  font-style: normal;
  margin: 0 6px;
  opacity: 0.5;
}

.legal__head {
  margin-bottom: clamp(30px, 4vh, 48px);
}

.legal__eyebrow {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #cdbcff;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.14);
  border: 1px solid rgba(124, 92, 255, 0.32);
  margin-bottom: 16px;
}

.legal__title {
  font-size: clamp(1.9rem, 4vw, 2.85rem);
  line-height: 1.18;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.legal__updated {
  margin-top: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

.legal__layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
}

/* 目录：桌面端粘性侧栏 */
.legal__toc {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 18px 18px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.legal__toc-title {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 12px;
}

.legal__toc ol {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.legal__toc a {
  counter-increment: toc;
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.legal__toc a::before {
  content: counter(toc, decimal-leading-zero) ". ";
  color: rgba(124, 92, 255, 0.7);
  font-variant-numeric: tabular-nums;
}

.legal__toc a:hover {
  background: rgba(124, 92, 255, 0.12);
  color: #fff;
}

/* 正文 */
.legal__content {
  min-width: 0;
}

.legal__content section {
  scroll-margin-top: calc(var(--header-height) + 24px);
  padding-bottom: clamp(22px, 3vh, 32px);
  margin-bottom: clamp(22px, 3vh, 32px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.legal__content section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.legal__content h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(1.12rem, 2.4vw, 1.4rem);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}

.legal__content h2 .legal__no {
  font-size: 0.8em;
  font-variant-numeric: tabular-nums;
  color: rgba(124, 92, 255, 0.85);
}

.legal__content h3 {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
  margin: 18px 0 8px;
}

.legal__content p {
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
}

.legal__content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 4px 0 14px;
}

.legal__content ul li {
  position: relative;
  padding-left: 20px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
}

.legal__content ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c5cff, #4f46e5);
}

.legal__content a {
  color: #b8a6ff;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 166, 255, 0.4);
  transition: color 0.2s, border-color 0.2s;
}

.legal__content a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

.legal__content strong {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
}

/* 提示 / 免责说明小卡 */
.legal__note {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(124, 92, 255, 0.08);
  border: 1px solid rgba(124, 92, 255, 0.22);
  margin: 18px 0 4px;
}

.legal__note i {
  color: #b8a6ff;
  font-size: 1.1rem;
  flex: none;
  margin-top: 2px;
}

.legal__note p {
  margin: 0;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.62);
}

/* 联系信息块 */
.legal__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding: 16px 0 2px;
}

.legal__contact span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.legal__contact b {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  margin-right: 6px;
}

/* ===== Cookie 设置：偏好开关 ===== */
.ck-card {
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: clamp(18px, 3vw, 28px);
  margin: 4px 0 22px;
}

.ck-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ck-item:first-child {
  padding-top: 0;
}

.ck-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.ck-item__text h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
}

.ck-item__text p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.ck-badge {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* 开关组件 */
.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex: none;
  margin-top: 2px;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__slider {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s;
}

.switch__slider::before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s;
}

.switch input:checked + .switch__slider {
  background: linear-gradient(135deg, #7c5cff, #4f46e5);
}

.switch input:checked + .switch__slider::before {
  transform: translateX(20px);
}

.switch input:disabled + .switch__slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.switch input:focus-visible + .switch__slider {
  outline: 2px solid #b8a6ff;
  outline-offset: 2px;
}

/* 操作按钮区 */
.ck-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0 8px;
}

.ck-btn {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, opacity 0.2s, transform 0.1s;
}

.ck-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.ck-btn:active {
  transform: translateY(1px);
}

.ck-btn--primary {
  background: linear-gradient(135deg, #7c5cff, #4f46e5);
  border-color: transparent;
}

.ck-btn--primary:hover {
  opacity: 0.9;
  background: linear-gradient(135deg, #7c5cff, #4f46e5);
}

/* 保存成功提示 */
.ck-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translate(-50%, 20px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  background: rgba(20, 22, 28, 0.95);
  border: 1px solid rgba(124, 92, 255, 0.4);
  color: #fff;
  font-size: 0.88rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 60;
}

.ck-toast.is-show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.ck-toast i {
  color: #8be28b;
}

/* 法律页响应式：窄屏收起目录、单列 */
@media (max-width: 820px) {
  .legal__layout {
    grid-template-columns: 1fr;
  }

  .legal__toc {
    display: none;
  }
}

/* ===== 关于我们 / About ===== */
.about {
  --accent: #3b6cff;
  position: relative;
  overflow: hidden;
  background: #0a0b0d;
  color: #fff;
  padding: clamp(64px, 10vh, 110px) 0;
}

/* 背景：极淡蓝光晕 + 细网格，呼应其它模块 */
.about__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 82% 8%, rgba(59, 108, 255, 0.14), transparent 70%),
    radial-gradient(50% 45% at 8% 92%, rgba(124, 92, 255, 0.1), transparent 72%);
}

.about__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(80% 60% at 50% 40%, #000, transparent 85%);
  mask-image: radial-gradient(80% 60% at 50% 40%, #000, transparent 85%);
}

.about__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
}

.about__kicker {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(59, 108, 255, 0.12);
  border: 1px solid rgba(59, 108, 255, 0.3);
  border-radius: 999px;
  margin-bottom: 18px;
}

.about__title {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
}

.about__sub {
  max-width: 64ch;
  color: rgba(255, 255, 255, 0.62);
  font-size: clamp(0.98rem, 1.4vw, 1.18rem);
  margin: 0;
}

.about__body {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  margin-top: clamp(32px, 5vh, 56px);
}

.about__lead p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.02rem;
  line-height: 1.85;
  margin: 0 0 16px;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.about__tag {
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.85rem;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.about__tag:hover {
  border-color: rgba(59, 108, 255, 0.5);
  background: rgba(59, 108, 255, 0.12);
  color: #fff;
}

.about__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 22px 20px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 108, 255, 0.42);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.about-card__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(59, 108, 255, 0.12);
  border: 1px solid rgba(59, 108, 255, 0.28);
  color: var(--accent);
  font-size: 1.35rem;
}

.about-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 12px 0 6px;
}

.about-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.about__promise {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 40px);
  margin: clamp(28px, 4vh, 48px) 0 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.about__promise li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
}

.about__promise i {
  color: var(--accent);
  font-size: 1.15rem;
}

@media (max-width: 900px) {
  .about__body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .about__cards {
    grid-template-columns: 1fr;
  }
}

/* ===== 语言切换器（下拉式） ===== */
.lang-switch {
  position: relative;
  margin-right: 4px;
}

.lang-switch__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.lang-switch__toggle:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.06);
}

.lang-switch__toggle > i {
  font-size: 1.05rem;
}

.lang-switch__caret {
  opacity: 0.8;
  transition: transform 0.2s ease;
}

.lang-switch.is-open .lang-switch__caret {
  transform: rotate(180deg);
}

.lang-switch__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 168px;
  max-height: 340px;
  overflow-y: auto;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: rgba(16, 18, 24, 0.96);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 60;
}

.lang-switch.is-open .lang-switch__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switch__opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-switch__opt:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.lang-switch__opt.is-active {
  color: #fff;
}

.lang-switch__opt.is-active::after {
  content: "\2713";
  color: #3b6cff;
  font-weight: 700;
}

.lang-switch__flag {
  width: 1.3em;
  height: 0.95em;
  border-radius: 2px;
  background-size: cover;
  background-position: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  flex: none;
}

.lang-switch__optlabel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ===== 右下角悬浮联系按钮（TG / WhatsApp） ===== */
.floating-contact {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.floating-contact__btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.floating-contact__btn:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  color: #fff;
}
.floating-contact__btn:active {
  transform: scale(0.94);
}
.floating-contact__btn--tg {
  background: linear-gradient(135deg, #2aabee, #1c93d3);
}
.floating-contact__btn--wa {
  background: linear-gradient(135deg, #25d366, #12a150);
}
@media (max-width: 600px) {
  .floating-contact {
    right: 14px;
    bottom: 14px;
    gap: 10px;
  }
  .floating-contact__btn {
    width: 46px;
    height: 46px;
    font-size: 1.4rem;
  }
}