:root {
    --bg-deep: #0d0b14;
    --bg-panel: #16131f;
    --bg-card: #1e1a2b;
    --color-primary: #ff4d8d;
    --color-secondary: #8b5cf6;
    --color-accent: #ffb347;
    --color-text: #f5f2fa;
    --color-muted: #a59db5;
    --gradient-brand: linear-gradient(135deg, #ff4d8d 0%, #8b5cf6 50%, #3b82f6 100%);
    --gradient-soft: linear-gradient(160deg, rgba(255,77,141,0.12), rgba(139,92,246,0.12));
    --radius: 18px;
    --shadow: 0 12px 40px rgba(0,0,0,0.45);
  }

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

  html { scroll-behavior: smooth; }

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

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

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

  /* ---------- HEADER ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 11, 20, 0.86);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 20px;
    max-width: 1180px;
    margin: 0 auto;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand img {
    height: 34px;
    width: auto;
    border-radius: 8px;
    object-fit: cover;
  }
  .brand-name {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .nav {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 4px 0;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a {
    font-size: 13.5px;
    color: var(--color-muted);
    padding: 7px 11px;
    border-radius: 999px;
    white-space: nowrap;
    transition: color .25s, background .25s;
  }
  .nav a:hover, .nav a:focus {
    color: var(--color-text);
    background: rgba(255,255,255,0.08);
  }
  .header-dl {
    flex-shrink: 0;
    font-size: 13.5px;
    font-weight: 700;
    padding: 9px 20px;
    border-radius: 999px;
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 6px 20px rgba(255,77,141,0.35);
    transition: transform .25s;
  }
  .header-dl:hover { transform: translateY(-2px); }

  /* ---------- HERO ---------- */
  .hero {
    position: relative;
    padding: 64px 0 72px;
    background:
      radial-gradient(circle at 12% 8%, rgba(255,77,141,0.22), transparent 42%),
      radial-gradient(circle at 88% 22%, rgba(139,92,246,0.25), transparent 45%),
      radial-gradient(circle at 50% 100%, rgba(59,130,246,0.16), transparent 50%),
      var(--bg-deep);
    overflow: hidden;
  }
  .hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
    background-size: 56px 56px;
    pointer-events: none;
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 44px;
    align-items: center;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 6px 16px;
    border-radius: 999px;
    color: var(--color-accent);
    background: rgba(255,179,71,0.1);
    border: 1px solid rgba(255,179,71,0.32);
    margin-bottom: 20px;
  }
  .hero-badge span.dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent);
  }
  .hero h1 {
    font-size: clamp(28px, 6vw, 48px);
    line-height: 1.25;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: 18px;
  }
  .hero h1 em {
    font-style: normal;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero-desc {
    font-size: 15.5px;
    color: var(--color-muted);
    max-width: 560px;
    margin-bottom: 30px;
  }
  .hero-desc strong { color: var(--color-text); font-weight: 600; }

  .dl-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  .dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    border-radius: 14px;
    font-size: 14.5px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: transform .25s, box-shadow .25s;
  }
  .dl-btn:hover { transform: translateY(-3px); }
  .dl-btn .ico { font-size: 17px; line-height: 1; }
  .dl-btn.primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 10px 30px rgba(255,77,141,0.38);
  }
  .dl-btn.ghost {
    background: rgba(255,255,255,0.06);
    color: var(--color-text);
    border-color: rgba(255,255,255,0.16);
  }
  .dl-btn.ghost:hover { background: rgba(255,255,255,0.12); }
  .hero-note {
    margin-top: 18px;
    font-size: 12.5px;
    color: #7d7590;
  }

  .hero-poster {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    max-width: 420px;
    margin: 0 auto;
  }
  .hero-poster .phone-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: var(--shadow);
    background: var(--bg-card);
  }
  .hero-poster .phone-card:nth-child(1) { transform: translateY(-16px); }
  .hero-poster .phone-card:nth-child(2) { transform: translateY(16px); }
  .hero-poster img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
  }

  /* ---------- SECTION BASE ---------- */
  section { padding: 72px 0; position: relative; }
  .sec-alt { background: var(--bg-panel); }

  .sec-head {
    margin-bottom: 40px;
    max-width: 720px;
  }
  .sec-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .sec-head h2 {
    font-size: clamp(22px, 4.4vw, 32px);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: -0.4px;
  }
  .sec-head h2 span {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .sec-head p {
    margin-top: 12px;
    font-size: 14.5px;
    color: var(--color-muted);
  }

  /* ---------- AI 短剧 ---------- */
  .ai-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .ai-card {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .3s, border-color .3s;
    display: flex;
    flex-direction: column;
  }
  .ai-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,77,141,0.5);
  }
  .ai-card-thumb { position: relative; }
  .ai-card-thumb img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
  }
  .ai-score {
    position: absolute;
    top: 10px; right: 10px;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 999px;
    color: #1a1206;
    background: var(--color-accent);
  }
  .ai-card-body {
    padding: 16px 16px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .ai-card-body h3 {
    font-size: 16px;
    font-weight: 800;
    line-height: 1.4;
  }
  .ai-card-body p {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.65;
  }
  .tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
  .tag {
    font-size: 11.5px;
    padding: 3px 9px;
    border-radius: 999px;
    color: #ffd6e6;
    background: rgba(255,77,141,0.14);
    border: 1px solid rgba(255,77,141,0.24);
  }
  .tag.purple {
    color: #ddd0ff;
    background: rgba(139,92,246,0.16);
    border-color: rgba(139,92,246,0.3);
  }
  .ai-date {
    margin-top: auto;
    font-size: 12px;
    color: #7d7590;
    padding-top: 8px;
    border-top: 1px dashed rgba(255,255,255,0.1);
  }

  /* ---------- 短剧热播 ---------- */
  .hot-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hot-main {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
  }
  .hot-main img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
  }
  .hot-main-caption {
    position: absolute;
    inset: auto 0 0 0;
    padding: 44px 20px 20px;
    background: linear-gradient(transparent, rgba(9,7,16,0.94));
  }
  .hot-main-caption h3 {
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 6px;
  }
  .hot-main-caption p {
    font-size: 13px;
    color: #c6bed6;
  }
  .hot-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .hot-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.07);
    transition: border-color .3s;
  }
  .hot-item:hover { border-color: rgba(139,92,246,0.55); }
  .hot-item img {
    width: 62px;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 9px;
    flex-shrink: 0;
  }
  .hot-item-info { min-width: 0; }
  .hot-item-info h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.35;
  }
  .hot-item-info p {
    font-size: 12px;
    color: var(--color-muted);
    line-height: 1.5;
  }
  .hot-item-info .mini-tags {
    display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px;
  }
  .mini-tags span {
    font-size: 10.5px;
    color: #b6a9cc;
    background: rgba(255,255,255,0.06);
    padding: 2px 7px;
    border-radius: 999px;
  }
  .hot-item-time {
    font-size: 11px;
    color: #6f6784;
    margin-top: 6px;
    display: block;
  }

  /* ---------- 安装步骤 ---------- */
  .steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .step {
    display: flex;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius);
    background: var(--gradient-soft);
    border: 1px solid rgba(255,255,255,0.09);
    transition: transform .3s;
  }
  .step:hover { transform: translateX(6px); }
  .step-num {
    flex-shrink: 0;
    width: 42px; height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 16px;
    font-weight: 900;
    color: #fff;
    background: var(--gradient-brand);
    box-shadow: 0 6px 18px rgba(255,77,141,0.32);
  }
  .step h4 { font-size: 15.5px; font-weight: 800; margin-bottom: 5px; }
  .step p { font-size: 13.5px; color: var(--color-muted); }

  /* ---------- FAQ ---------- */
  .faq-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .faq-item {
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.08);
    overflow: hidden;
  }
  .faq-q {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
  }
  .faq-q .q-mark {
    flex-shrink: 0;
    width: 24px; height: 24px;
    border-radius: 7px;
    display: grid; place-items: center;
    font-size: 12px; font-weight: 900;
    color: #fff;
    background: var(--color-secondary);
  }
  .faq-q .arrow {
    margin-left: auto;
    color: var(--color-muted);
    font-size: 13px;
    transition: transform .3s;
  }
  .faq-item.open .arrow { transform: rotate(180deg); }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 18px;
  }
  .faq-item.open .faq-a { max-height: 240px; }
  .faq-a p {
    font-size: 13.5px;
    color: var(--color-muted);
    padding: 0 0 16px 36px;
    line-height: 1.7;
  }

  /* ---------- 用户热评 ---------- */
  .review-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .review-card {
    position: relative;
    padding: 22px 20px 18px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.08);
  }
  .review-card::before {
    content: "“";
    position: absolute;
    top: 4px; right: 18px;
    font-size: 56px;
    line-height: 1;
    color: rgba(255,77,141,0.18);
    font-family: Georgia, serif;
  }
  .review-card p {
    font-size: 14px;
    line-height: 1.75;
    color: #ddd6ea;
    margin-bottom: 14px;
  }
  .review-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12.5px;
    color: var(--color-muted);
  }
  .avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: grid; place-items: center;
    font-size: 13px; font-weight: 800;
    color: #fff;
    background: var(--gradient-brand);
  }

  /* ---------- 隐私安全 ---------- */
  .safe-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .safe-card {
    padding: 20px;
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(59,130,246,0.12), rgba(139,92,246,0.1));
    border: 1px solid rgba(139,92,246,0.24);
  }
  .safe-card h4 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 7px;
    display: flex; align-items: center; gap: 8px;
  }
  .safe-card h4 i {
    font-style: normal;
    width: 22px; height: 22px;
    border-radius: 6px;
    display: grid; place-items: center;
    font-size: 11px;
    background: rgba(255,255,255,0.12);
  }
  .safe-card p { font-size: 13.5px; color: #c3bad6; }

  /* ---------- 创作者计划 ---------- */
  .creator-panel {
    border-radius: 22px;
    padding: 32px 22px;
    background:
      radial-gradient(circle at 85% 10%, rgba(255,77,141,0.2), transparent 48%),
      radial-gradient(circle at 5% 90%, rgba(139,92,246,0.22), transparent 48%),
      var(--bg-card);
    border: 1px solid rgba(255,255,255,0.1);
  }
  .creator-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 24px;
  }
  .creator-item {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 16px;
    border-radius: 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
  }
  .creator-item .badge-num {
    flex-shrink: 0;
    font-size: 12px; font-weight: 900;
    width: 28px; height: 28px;
    border-radius: 8px;
    display: grid; place-items: center;
    color: #1a1206;
    background: var(--color-accent);
  }
  .creator-item h4 { font-size: 14.5px; font-weight: 800; margin-bottom: 4px; }
  .creator-item p { font-size: 13px; color: var(--color-muted); }

  /* ---------- 交流社区 ---------- */
  .community {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .community-card {
    padding: 22px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.09);
    background: var(--bg-card);
    transition: transform .3s, border-color .3s;
  }
  .community-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,179,71,0.5);
  }
  .community-card .emoji { font-size: 24px; margin-bottom: 10px; display: block; }
  .community-card h4 { font-size: 15px; font-weight: 800; margin-bottom: 6px; }
  .community-card p { font-size: 13px; color: var(--color-muted); }

  /* ---------- 客户端下载 ---------- */
  .download-sec {
    background:
      radial-gradient(circle at 50% 0%, rgba(255,77,141,0.18), transparent 52%),
      var(--bg-deep);
    padding-bottom: 90px;
  }
  .download-box {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    padding: 44px 22px;
    border-radius: 26px;
    background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: var(--shadow);
  }
  .download-box h2 {
    font-size: clamp(22px, 4.6vw, 30px);
    font-weight: 900;
    margin-bottom: 12px;
  }
  .download-box .dl-intro {
    font-size: 14.5px;
    color: var(--color-muted);
    max-width: 520px;
    margin: 0 auto 26px;
  }
  .download-box .dl-group { justify-content: center; }
  .install-hint {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px dashed rgba(255,255,255,0.14);
    text-align: left;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .install-hint p {
    font-size: 13px;
    color: #b9b0cc;
    line-height: 1.65;
  }
  .install-hint p b { color: var(--color-text); }

  /* ---------- FOOTER ---------- */
  .site-footer {
    background: #08070d;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 30px 0 36px;
  }
  .footer-inner {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    text-align: center;
  }
  .footer-inner p {
    font-size: 12px;
    color: #6b6479;
    line-height: 1.7;
  }
  .footer-inner a {
    color: #837b95;
    transition: color .25s;
  }
  .footer-inner a:hover { color: var(--color-primary); }
  .footer-time {
    font-size: 11.5px;
    color: #575169;
  }

  /* ---------- RESPONSIVE ---------- */
  @media (min-width: 768px) {
    section { padding: 88px 0; }
    .hero { padding: 80px 0 92px; }
    .hero-inner { grid-template-columns: 1.1fr 0.9fr; gap: 48px; }
    .hero-poster { max-width: 100%; }
    .ai-grid { grid-template-columns: repeat(3, 1fr); }
    .hot-wrap { grid-template-columns: 0.85fr 1.15fr; align-items: start; }
    .hot-list { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .faq-list { grid-template-columns: repeat(2, 1fr); align-items: start; }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .safe-grid { grid-template-columns: repeat(2, 1fr); }
    .creator-list { grid-template-columns: repeat(2, 1fr); }
    .community { grid-template-columns: repeat(2, 1fr); }
    .download-box { padding: 56px 48px; }
    .install-hint { grid-template-columns: repeat(2, 1fr); gap: 14px 22px; }
    .brand img { height: 38px; }
  }

  @media (min-width: 1024px) {
    .ai-grid { grid-template-columns: repeat(4, 1fr); }
    .hot-wrap { grid-template-columns: 0.8fr 1.2fr; gap: 30px; }
    .hot-list { gap: 16px; }
    .steps { grid-template-columns: repeat(3, 1fr); }
    .review-grid { grid-template-columns: repeat(3, 1fr); }
    .safe-grid { grid-template-columns: repeat(3, 1fr); }
    .community { grid-template-columns: repeat(4, 1fr); }
    .creator-list { grid-template-columns: repeat(3, 1fr); }
    .nav { gap: 6px; }
  }