* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-deep: #0a0b12;
  --bg-dark: #12141f;
  --bg-card: #1a1d2c;
  --bg-card-hover: #22263a;
  --accent: #ff7a3d;
  --accent-glow: rgba(255, 122, 61, 0.35);
  --accent2: #b96bff;
  --accent2-glow: rgba(185, 107, 255, 0.25);
  --text-main: #f0f1f7;
  --text-sub: #9a9db5;
  --text-dim: #6b6e85;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 18, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}
.brand img {
  height: 34px;
  width: 34px;
  border-radius: 9px;
  object-fit: cover;
}
.nav-links {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  padding: 7px 13px;
  font-size: 14px;
  color: var(--text-sub);
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text-main); background: var(--bg-card); }
.header-dl {
  flex-shrink: 0;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #ff5e8a);
  border-radius: 999px;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: transform 0.2s;
}
.header-dl:hover { transform: translateY(-1px); }

/* ========== HERO ========== */
.hero {
  position: relative;
  padding: 80px 24px 100px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(185, 107, 255, 0.16) 0%, rgba(255, 122, 61, 0.07) 40%, transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent2-glow), transparent);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--accent);
  background: rgba(255, 122, 61, 0.1);
  border: 1px solid rgba(255, 122, 61, 0.25);
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 38px;
}
.hero-highlights span {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-sub);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.download-zone { display: flex; flex-wrap: wrap; gap: 12px; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.dl-btn:hover { transform: translateY(-2px); }
.dl-btn.android {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #ff5e8a);
  box-shadow: 0 8px 26px var(--accent-glow);
}
.dl-btn.ios {
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.dl-btn.ios:hover { background: var(--bg-card-hover); }
.dl-btn.other {
  color: var(--text-sub);
  background: transparent;
  border: 1px dashed rgba(255, 255, 255, 0.18);
}
.dl-btn.other:hover { color: var(--text-main); border-color: var(--accent2); }
.dl-btn svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }

/* hero visual */
.hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.hero-visual .poster {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transition: transform 0.35s;
}
.hero-visual .poster:hover { transform: translateY(-6px) scale(1.02); }
.hero-visual .poster:nth-child(1) { margin-top: 32px; }
.hero-visual .poster:nth-child(2) { margin-top: 0; }
.hero-visual .poster:nth-child(3) { margin-top: -18px; }
.hero-visual .poster:nth-child(4) { margin-top: 14px; }
.hero-visual .poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

/* ========== SECTION COMMON ========== */
section { position: relative; }
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}
.section-head { margin-bottom: 44px; }
.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 620px;
}

/* ========== AI专区 ========== */
.ai-zone { background: var(--bg-dark); }
.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.ai-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.ai-card:hover { transform: translateY(-6px); border-color: rgba(185, 107, 255, 0.4); }
.ai-card .thumb {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.ai-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.ai-card:hover .thumb img { transform: scale(1.05); }
.ai-card .thumb .badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(185, 107, 255, 0.85);
  border-radius: 6px;
  backdrop-filter: blur(4px);
}
.ai-card .info { padding: 14px 16px 18px; }
.ai-card .info h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.ai-card .info .brief {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.ai-card .meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
}
.ai-card .meta .type {
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 122, 61, 0.1);
  color: var(--accent);
}
.ai-card .meta .date { margin-left: auto; }

/* ========== 短剧热播 ========== */
.hot-zone { background: var(--bg-deep); }
.hot-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
}
.hot-feature {
  grid-row: span 2;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 480px;
}
.hot-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.hot-feature .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 11, 18, 0.95) 0%, rgba(10, 11, 18, 0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}
.hot-feature .overlay .tag-row { display: flex; gap: 8px; margin-bottom: 12px; }
.hot-feature .overlay .tag-row span {
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 4px;
  background: rgba(255, 122, 61, 0.9);
  color: #fff;
}
.hot-feature .overlay .tag-row span:nth-child(2) { background: rgba(185, 107, 255, 0.85); }
.hot-feature .overlay h3 { font-size: 24px; margin-bottom: 10px; }
.hot-feature .overlay p { font-size: 14px; color: #c8cad8; margin-bottom: 14px; }
.hot-feature .overlay time { font-size: 13px; color: var(--text-dim); }

.hot-small {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}
.hot-small:hover { border-color: rgba(255, 122, 61, 0.35); transform: translateY(-3px); }
.hot-small .thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.hot-small .thumb img { width: 100%; height: 100%; object-fit: cover; }
.hot-small .info { padding: 14px 16px 18px; flex: 1; display: flex; flex-direction: column; }
.hot-small .info h3 { font-size: 16px; margin-bottom: 6px; }
.hot-small .info p {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-small .info .meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}
.hot-small .info .meta .type { color: var(--accent2); }

/* ========== 安装步骤 ========== */
.install-zone {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step-card {
  position: relative;
  padding: 32px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s, border-color 0.3s;
}
.step-card:hover { transform: translateY(-4px); border-color: rgba(255, 122, 61, 0.3); }
.step-card::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
  line-height: 1;
}
.step-card h3 { font-size: 17px; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--text-sub); }

/* ========== 常见问题 ========== */
.faq-zone { background: var(--bg-deep); }
.faq-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.faq-item {
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent2);
  transition: background 0.25s;
}
.faq-item:hover { background: var(--bg-card-hover); }
.faq-item .q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}
.faq-item .q::before {
  content: "Q";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--accent2);
  border-radius: 6px;
  margin-top: 2px;
}
.faq-item .a {
  font-size: 14px;
  color: var(--text-sub);
  padding-left: 32px;
}

/* ========== 用户热评 ========== */
.review-zone { background: var(--bg-dark); }
.review-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.review-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s, border-color 0.3s;
}
.review-card:hover { transform: translateY(-4px); border-color: rgba(255, 122, 61, 0.3); }
.review-card .stars {
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.review-card .text {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 16px;
  min-height: 66px;
}
.review-card .user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.review-card .user .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

/* ========== 隐私安全 ========== */
.privacy-zone { background: var(--bg-deep); }
.privacy-walls {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.privacy-card {
  padding: 20px 22px;
  background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s;
}
.privacy-card:hover { border-color: rgba(185, 107, 255, 0.35); }
.privacy-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  margin-bottom: 8px;
}
.privacy-card h3::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  flex-shrink: 0;
}
.privacy-card p { font-size: 13px; color: var(--text-sub); }

/* ========== 创作者计划 ========== */
.creator-zone {
  background: linear-gradient(135deg, #1a1330 0%, var(--bg-dark) 60%);
}
.creator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.creator-text h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  margin-bottom: 16px;
}
.creator-text > p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 26px;
}
.creator-points { display: flex; flex-direction: column; gap: 14px; }
.creator-points li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: var(--text-sub);
}
.creator-points li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}
.creator-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.creator-visual .cv-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 3 / 4;
}
.creator-visual .cv-item img { width: 100%; height: 100%; object-fit: cover; }
.creator-visual .cv-item:nth-child(2) { margin-top: 28px; }

/* ========== 交流社区 ========== */
.community-zone { background: var(--bg-dark); }
.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.community-card {
  padding: 26px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s;
}
.community-card:hover { transform: translateY(-3px); }
.community-card h3 { font-size: 16px; margin-bottom: 10px; }
.community-card p { font-size: 14px; color: var(--text-sub); margin-bottom: 14px; }
.community-card .hint { font-size: 13px; color: var(--text-dim); }

/* ========== 下载区 ========== */
.final-zone {
  background: radial-gradient(ellipse at 50% 0%, rgba(185, 107, 255, 0.15) 0%, transparent 60%), var(--bg-deep);
  padding-bottom: 0;
}
.final-box {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 28px 24px 60px;
}
.final-box h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
}
.final-box > p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 32px;
}
.final-dl { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.install-tips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  text-align: left;
}
.install-tips div {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  color: var(--text-sub);
}
.install-tips div strong { color: var(--text-main); display: block; margin-bottom: 4px; font-size: 14px; }

/* ========== FOOTER ========== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 2;
}
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--text-sub); }
.footer-inner .footer-time { margin-top: 4px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .ai-grid { grid-template-columns: repeat(3, 1fr); }
  .hot-layout { grid-template-columns: 1fr 1fr; }
  .hot-feature { grid-column: span 2; grid-row: auto; min-height: 340px; }
  .creator-layout { grid-template-columns: 1fr; gap: 32px; }
  .review-layout { grid-template-columns: 1fr 1fr; }
  .community-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { padding: 0 16px; gap: 12px; }
  .nav-links { display: none; }
  .brand { font-size: 16px; }
  .hero { padding: 50px 16px 70px; }
  .hero-desc { font-size: 15px; }
  .hero-highlights span { font-size: 12px; padding: 5px 11px; }
  .download-zone { flex-direction: column; align-items: stretch; }
  .dl-btn { justify-content: center; }
  .hero-visual { gap: 10px; }
  .section-inner { padding: 56px 16px; }
  .ai-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hot-layout { grid-template-columns: 1fr; }
  .hot-feature { grid-column: auto; min-height: 300px; }
  .steps-grid { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: 1fr; }
  .review-layout { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .creator-visual { grid-template-columns: 1fr 1fr; }
  .install-tips { grid-template-columns: 1fr; }
  .final-dl { flex-direction: column; align-items: stretch; }
  .final-dl .dl-btn { justify-content: center; }
}