:root {
    --bg-deep: #0a0a12;
    --bg-card: #14141f;
    --bg-card-2: #1b1b2a;
    --brand: #ff3d6e;
    --brand-2: #7b5cff;
    --brand-3: #2ee6c5;
    --text: #f2f2f7;
    --text-dim: #a4a4b8;
    --line: rgba(255, 255, 255, 0.09);
    --radius: 16px;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

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

  .wrap {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* ============ 顶部导航 ============ */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 18, 0.86);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 64px;
  }

  .logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .logo-box img {
    height: 32px;
    width: auto;
    border-radius: 8px;
  }

  .logo-box span {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #ff6b95, #b48bff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .nav-links {
    display: none;
    align-items: center;
    gap: 22px;
    font-size: 14px;
    color: var(--text-dim);
  }

  .nav-links a { transition: color 0.2s; white-space: nowrap; }
  .nav-links a:hover { color: var(--brand); }

  .nav-dl {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 999px;
    background: linear-gradient(120deg, var(--brand), var(--brand-2));
    color: #fff !important;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 6px 22px rgba(255, 61, 110, 0.32);
  }

  /* ============ 首屏 ============ */
  .hero {
    position: relative;
    padding: 52px 0 60px;
    overflow: hidden;
    background:
      radial-gradient(circle at 12% 8%, rgba(255, 61, 110, 0.26), transparent 46%),
      radial-gradient(circle at 88% 14%, rgba(123, 92, 255, 0.3), transparent 48%),
      radial-gradient(circle at 50% 100%, rgba(46, 230, 197, 0.14), transparent 55%),
      var(--bg-deep);
  }

  .hero::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: 46px 46px;
    mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
    -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
    pointer-events: none;
  }

  .hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 61, 110, 0.5);
    background: rgba(255, 61, 110, 0.12);
    color: #ff9bb7;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .hero-tag i {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--brand-3);
    display: inline-block;
  }

  .hero h1 {
    font-size: 30px;
    line-height: 1.32;
    font-weight: 900;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
  }

  .hero h1 em {
    font-style: normal;
    background: linear-gradient(100deg, #ff5c85 10%, #b98bff 60%, #5fe6d0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-desc {
    font-size: 15px;
    color: var(--text-dim);
    max-width: 560px;
    margin-bottom: 12px;
  }

  .hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0 26px;
    list-style: none;
  }

  .hero-points li {
    font-size: 13px;
    color: #d6d6e4;
    padding: 6px 13px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line);
  }

  .hero-points li::before {
    content: "✓";
    color: var(--brand-3);
    margin-right: 6px;
    font-weight: 700;
  }

  /* 多端下载按钮组 */
  .download-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    max-width: 560px;
  }

  .dl-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--bg-card);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
  }

  .dl-btn:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 61, 110, 0.6);
    box-shadow: 0 10px 26px rgba(255, 61, 110, 0.18);
  }

  .dl-btn .dl-name {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
  }

  .dl-btn .dl-sub {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
  }

  .dl-btn.primary {
    grid-column: 1 / -1;
    background: linear-gradient(115deg, #ff3d6e, #7b5cff 92%);
    border-color: transparent;
    box-shadow: 0 12px 32px rgba(255, 61, 110, 0.3);
  }

  .dl-btn.primary .dl-sub { color: rgba(255, 255, 255, 0.82); }

  .dl-btn.primary::after {
    content: "";
    position: absolute;
    top: 0; left: -60%;
    width: 45%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: skewX(-18deg);
    animation: sheen 3.6s infinite;
  }

  @keyframes sheen {
    0% { left: -60%; }
    55% { left: 130%; }
    100% { left: 130%; }
  }

  /* 首屏右侧海报竖列 */
  .hero-visual {
    position: relative;
  }

  .poster-rail {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .poster-rail figure {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--bg-card);
  }

  .poster-rail img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    transition: transform 0.5s;
  }

  .poster-rail figure:hover img { transform: scale(1.06); }

  .poster-rail figure:nth-child(3) { margin-top: -22px; }
  .poster-rail figure:nth-child(4) { margin-top: -22px; }

  .poster-rail figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 22px 10px 8px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(transparent, rgba(5, 5, 10, 0.92));
  }

  /* ============ 通用区块 ============ */
  .section {
    padding: 58px 0;
    position: relative;
  }

  .section.alt {
    background: linear-gradient(180deg, #0d0d17, #101020);
  }

  .sec-head {
    max-width: 720px;
    margin-bottom: 34px;
  }

  .sec-kicker {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--brand-3);
    font-weight: 700;
    margin-bottom: 10px;
  }

  .sec-head h2 {
    font-size: 25px;
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 12px;
  }

  .sec-head p {
    font-size: 14px;
    color: var(--text-dim);
  }

  /* 剧集卡片网格 */
  .drama-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .drama-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s, border-color 0.25s;
  }

  .drama-card:hover {
    transform: translateY(-4px);
    border-color: rgba(123, 92, 255, 0.5);
  }

  .drama-card .thumb {
    position: relative;
  }

  .drama-card .thumb img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
  }

  .drama-card .badge {
    position: absolute;
    top: 10px; left: 10px;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 6px;
    background: rgba(255, 61, 110, 0.92);
    color: #fff;
  }

  .drama-body {
    padding: 13px 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
  }

  .drama-body h3 {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.4;
  }

  .drama-body .plot {
    font-size: 12.5px;
    color: var(--text-dim);
    line-height: 1.65;
    flex: 1;
  }

  .tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .tag-row span {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(123, 92, 255, 0.16);
    color: #b8a4ff;
    border: 1px solid rgba(123, 92, 255, 0.3);
  }

  .date-row {
    font-size: 11.5px;
    color: #7d7d94;
    padding-top: 8px;
    border-top: 1px dashed var(--line);
  }

  .date-row b { color: var(--brand-3); font-weight: 600; }

  /* 安装步骤 时间轴 */
  .steps {
    display: grid;
    gap: 14px;
    counter-reset: step;
  }

  .step-item {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px 18px;
    position: relative;
    transition: border-color 0.25s, transform 0.25s;
  }

  .step-item:hover {
    border-color: rgba(46, 230, 197, 0.45);
    transform: translateX(4px);
  }

  .step-num {
    width: 46px; height: 46px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 17px;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    flex-shrink: 0;
  }

  .step-item h3 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 5px;
  }

  .step-item p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.7;
  }

  /* 问答双栏 */
  .qa-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .qa-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 15px 18px;
  }

  .qa-item .q {
    display: flex;
    gap: 9px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 7px;
    line-height: 1.55;
  }

  .qa-item .q i {
    flex-shrink: 0;
    width: 20px; height: 20px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-style: normal;
    background: rgba(255, 61, 110, 0.2);
    color: #ff8ab0;
    margin-top: 1px;
  }

  .qa-item .a {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.75;
    padding-left: 29px;
  }

  /* 用户热评 轮播式卡片 */
  .review-track {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .review-track::-webkit-scrollbar { height: 6px; }
  .review-track::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 999px;
  }

  .review-card {
    flex: 0 0 268px;
    scroll-snap-align: start;
    background: linear-gradient(160deg, #191926, #12121c);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .review-stars { color: #ffc457; font-size: 13px; letter-spacing: 2px; }

  .review-card p {
    font-size: 13px;
    color: #d3d3e2;
    line-height: 1.75;
    flex: 1;
  }

  .review-meta {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 12px;
    color: var(--text-dim);
    border-top: 1px dashed var(--line);
    padding-top: 10px;
  }

  .avatar-dot {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--brand-2), var(--brand));
  }

  /* 隐私安全 骨架条 */
  .privacy-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .privacy-list {
    display: grid;
    gap: 11px;
  }

  .privacy-row {
    display: grid;
    grid-template-columns: 26px 1fr;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-left: 3px solid var(--brand-3);
    border-radius: 10px;
    padding: 13px 16px;
  }

  .privacy-row .ico {
    font-size: 15px;
    line-height: 1.55;
  }

  .privacy-row h3 {
    font-size: 14px;
    margin-bottom: 4px;
    font-weight: 800;
  }

  .privacy-row p {
    font-size: 12.5px;
    color: var(--text-dim);
    line-height: 1.7;
  }

  /* 创作者计划 & 交流社区 */
  .duo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-panel {
    border-radius: var(--radius);
    padding: 24px 22px;
    border: 1px solid var(--line);
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
  }

  .feature-panel::before {
    content: "";
    position: absolute;
    top: -70px; right: -70px;
    width: 190px; height: 190px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123, 92, 255, 0.35), transparent 68%);
    pointer-events: none;
  }

  .feature-panel.creator::before {
    background: radial-gradient(circle, rgba(255, 61, 110, 0.35), transparent 68%);
  }

  .feature-panel h2 {
    font-size: 21px;
    font-weight: 900;
    margin-bottom: 12px;
    position: relative;
  }

  .feature-panel > p {
    font-size: 13.5px;
    color: var(--text-dim);
    margin-bottom: 16px;
    position: relative;
  }

  .check-list {
    list-style: none;
    display: grid;
    gap: 9px;
    position: relative;
  }

  .check-list li {
    font-size: 13px;
    color: #d6d6e4;
    line-height: 1.65;
    padding-left: 22px;
    position: relative;
  }

  .check-list li::before {
    content: "◆";
    position: absolute;
    left: 0;
    font-size: 9px;
    color: var(--brand-3);
    top: 6px;
  }

  /* 截图墙 */
  .wall {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .wall img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line);
    transition: transform 0.35s, filter 0.35s;
    filter: saturate(0.92);
  }

  .wall img:hover { transform: scale(1.04); filter: saturate(1.15); }

  /* 结尾下载区 */
  .final-cta {
    position: relative;
    padding: 64px 0;
    overflow: hidden;
    background:
      radial-gradient(circle at 20% 0%, rgba(255, 61, 110, 0.3), transparent 52%),
      radial-gradient(circle at 82% 100%, rgba(123, 92, 255, 0.32), transparent 55%),
      #0b0b14;
    border-top: 1px solid var(--line);
  }

  .cta-panel {
    background: rgba(20, 20, 31, 0.82);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 30px 22px;
    backdrop-filter: blur(6px);
  }

  .cta-panel h2 {
    font-size: 24px;
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 12px;
  }

  .cta-panel .lead {
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 22px;
    max-width: 640px;
  }

  .cta-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 24px;
  }

  .cta-step {
    display: flex;
    gap: 11px;
    align-items: flex-start;
    font-size: 13px;
    color: #d6d6e4;
    line-height: 1.7;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--line);
    border-radius: 11px;
    padding: 12px 14px;
  }

  .cta-step b {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 7px;
    display: grid;
    place-items: center;
    font-size: 12px;
    background: rgba(46, 230, 197, 0.16);
    color: var(--brand-3);
  }

  /* 页脚 */
  .site-footer {
    background: #07070d;
    border-top: 1px solid var(--line);
    padding: 30px 0 34px;
    font-size: 12.5px;
    color: #77778e;
  }

  .footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 16px;
  }

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

  .footer-nav a:hover { color: var(--brand); }

  .footer-note {
    line-height: 1.9;
  }

  .footer-note .update-time {
    display: block;
    margin-top: 8px;
    font-size: 11.5px;
    color: #5e5e73;
  }

  /* ============ 断点 768px ============ */
  @media (min-width: 768px) {
    .wrap { padding: 0 28px; }
    .hero { padding: 68px 0 78px; }
    .hero h1 { font-size: 40px; }
    .hero-desc { font-size: 16px; }
    .download-group { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .dl-btn.primary { grid-column: span 1; }

    .drama-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
    .qa-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .duo-grid { grid-template-columns: 1fr 1fr; }
    .privacy-layout { grid-template-columns: 1fr; }
    .cta-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .wall { gap: 14px; }
    .cta-panel { padding: 38px 34px; }
    .sec-head h2 { font-size: 29px; }
  }

  /* ============ 断点 1024px ============ */
  @media (min-width: 1024px) {
    .nav-links { display: flex; }
    .header-inner { height: 72px; }

    .hero-grid {
      grid-template-columns: 1.08fr 0.92fr;
      gap: 54px;
    }

    .hero h1 { font-size: 46px; }

    .poster-rail { gap: 16px; }
    .poster-rail figure:nth-child(3) { margin-top: -34px; }
    .poster-rail figure:nth-child(4) { margin-top: -34px; }

    .section { padding: 76px 0; }
    .drama-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .privacy-layout { grid-template-columns: 1.05fr 0.95fr; gap: 22px; }
    .wall { grid-template-columns: repeat(4, 1fr); }
    .sec-head h2 { font-size: 32px; }
    .cta-panel h2 { font-size: 30px; }
    .review-card { flex: 0 0 300px; }
  }

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