:root {
  --bg: #101014;
  --text: #f5f5f7;
  --muted: #9a9aa5;
  --brand: #ff5a3c;
  --brand-2: #ffb03a;
  --panel: #1a1a22;
  --line: rgba(255,255,255,0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(16,16,20,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 14px;
}
.brand-mark { height: 34px; width: auto; border-radius: 8px; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.header-nav { margin-left: auto; display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.header-nav a:hover { color: var(--text); }
.header-nav .nav-download {
  color: var(--brand-2); font-weight: 600;
}

/* hero */
.hero {
  position: relative;
  padding: 60px 20px 40px;
  background: radial-gradient(ellipse at 20% 0%, rgba(255,90,60,0.18), transparent 60%),
              radial-gradient(ellipse at 90% 30%, rgba(255,176,58,0.14), transparent 55%);
  overflow: hidden;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
}
.hero-eyebrow {
  display: inline-block; font-size: 13px; color: var(--brand-2);
  border: 1px solid rgba(255,176,58,0.4); border-radius: 999px;
  padding: 4px 14px; margin-bottom: 18px;
}
.hero h1 {
  font-size: 46px; line-height: 1.2; font-weight: 800;
  letter-spacing: 1px; margin-bottom: 18px;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc {
  font-size: 16px; color: var(--muted); max-width: 520px; margin-bottom: 28px;
}
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.hero-pills span {
  font-size: 13px; padding: 5px 12px; border-radius: 8px;
  background: rgba(255,255,255,0.06); color: #cfcfd6;
}
.dl-group { display: flex; flex-wrap: wrap; gap: 12px; }
.dl-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 12px; font-size: 15px; font-weight: 600;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #16161a; transition: transform .2s ease, box-shadow .2s ease;
}
.dl-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,90,60,0.35); }
.dl-btn.ghost {
  background: rgba(255,255,255,0.07); color: var(--text);
  border: 1px solid var(--line);
}
.dl-btn.ghost:hover { background: rgba(255,255,255,0.12); box-shadow: none; }

/* hero carousel */
.hero-slider {
  position: relative; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--line); aspect-ratio: 4 / 5;
  background: #1a1a22;
}
.slide-track {
  display: flex; height: 100%; transition: transform .6s cubic-bezier(.2,.7,.3,1);
}
.slide-item { min-width: 100%; height: 100%; position: relative; }
.slide-item img { width: 100%; height: 100%; object-fit: cover; }
.slide-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 40px 20px 18px;
  background: linear-gradient(to top, rgba(10,10,14,0.92), transparent);
  font-size: 15px; font-weight: 600;
}
.slider-dots {
  position: absolute; bottom: 14px; right: 16px; display: flex; gap: 6px;
}
.slider-dots i {
  width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.4);
  transition: background .3s;
}
.slider-dots i.active { background: var(--brand-2); }

/* marquee */
.marquee {
  margin-top: 40px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; padding: 12px 0; white-space: nowrap;
  background: rgba(255,255,255,0.02);
}
.marquee-track {
  display: inline-flex; gap: 40px; animation: scrollX 30s linear infinite;
}
.marquee-track span {
  font-size: 15px; font-weight: 700;
  background: linear-gradient(90deg, #ff5a3c, #ffb03a, #ff5a3c);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  white-space: nowrap;
}
@keyframes scrollX {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* section common */
.section { padding: 70px 20px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-head { margin-bottom: 36px; }
.section-head h2 {
  font-size: 30px; font-weight: 800; letter-spacing: .5px; margin-bottom: 10px;
}
.section-head p { color: var(--muted); font-size: 15px; }
.kw { color: var(--brand-2); font-weight: 600; }

/* stars zone */
.zone-stars { background: #15151c; }
.stars-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px;
}
.star-card {
  background: var(--panel); border-radius: 14px; padding: 16px;
  display: flex; gap: 14px; border: 1px solid var(--line);
  transition: border-color .2s;
}
.star-card:hover { border-color: rgba(255,176,58,0.4); }
.star-thumb { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.star-info h3 { font-size: 15px; margin-bottom: 4px; }
.star-info p { font-size: 13px; color: var(--muted); }

/* weekend zone */
.zone-weekend { background: #1c1410; }
.weekend-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.weekend-item {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,0.04); border-radius: 12px; padding: 14px 18px;
  border-left: 3px solid var(--brand);
}
.weekend-time { font-size: 15px; font-weight: 700; color: var(--brand-2); min-width: 56px; }
.weekend-text { font-size: 14px; color: #d5d5dc; }

/* trending zone */
.zone-trending { background: #10141a; }
.trend-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.trend-card {
  background: #171c24; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line); display: flex; flex-direction: column;
}
.trend-card img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.trend-card-body { padding: 12px 14px 16px; }
.trend-card-body h3 { font-size: 15px; margin-bottom: 6px; }
.trend-card-body p { font-size: 12px; color: var(--muted); margin-bottom: 8px; line-height: 1.4; }
.trend-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.trend-tags span {
  font-size: 11px; padding: 2px 8px; border-radius: 6px;
  background: rgba(255,176,58,0.12); color: var(--brand-2);
}
.trend-date { font-size: 11px; color: #6f6f7a; margin-top: 8px; }

/* brain zone */
.zone-brain { background: #16101c; }
.brain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.brain-card {
  border-radius: 14px; padding: 20px;
  background: linear-gradient(145deg, rgba(255,90,60,0.08), rgba(140,90,255,0.06));
  border: 1px solid rgba(255,255,255,0.07);
}
.brain-card h3 { font-size: 16px; margin-bottom: 8px; color: #ffd7a0; }
.brain-card p { font-size: 13px; color: #b8b8c4; line-height: 1.6; }

/* complaint zone */
.zone-complain { background: #1a1a20; }
.qa-list { display: flex; flex-direction: column; gap: 12px; }
.qa-item {
  background: rgba(255,255,255,0.03); border-radius: 12px; border: 1px solid var(--line);
  overflow: hidden;
}
.qa-q {
  width: 100%; text-align: left; padding: 16px 18px; font-size: 14px; font-weight: 600;
  background: transparent; color: var(--text); display: flex; justify-content: space-between;
}
.qa-q::after { content: "+"; color: var(--brand-2); font-size: 18px; }
.qa-item.open .qa-q::after { content: "−"; }
.qa-a {
  padding: 0 18px 16px; font-size: 13px; color: var(--muted); display: none;
}
.qa-item.open .qa-a { display: block; }

/* quote wall */
.zone-quote { background: #12161c; }
.quote-wall { columns: 3; column-gap: 16px; }
.quote-block {
  break-inside: avoid; margin-bottom: 16px;
  background: rgba(255,255,255,0.04); border-radius: 12px; padding: 18px;
  border-left: 2px solid var(--brand-2);
}
.quote-block p { font-size: 14px; color: #dcdce4; line-height: 1.7; }
.quote-block cite { display: block; margin-top: 8px; font-size: 12px; color: #77777f; font-style: normal; }

/* privacy */
.zone-privacy { background: #0f1416; }
.privacy-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.privacy-text h2 { margin-bottom: 16px; }
.privacy-list { display: flex; flex-direction: column; gap: 14px; }
.privacy-item { display: flex; gap: 12px; align-items: flex-start; }
.privacy-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-2); margin-top: 8px; flex-shrink: 0; }
.privacy-item p { font-size: 14px; color: #b8b8c4; }
.privacy-item strong { color: var(--text); display: block; margin-bottom: 2px; }
.privacy-img-wrap img { width: 100%; border-radius: 16px; border: 1px solid var(--line); }

/* faq */
.zone-faq { background: #1b1710; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.faq-box {
  background: rgba(255,255,255,0.04); border-radius: 12px; padding: 16px 18px;
  border: 1px solid var(--line);
}
.faq-box h3 { font-size: 15px; margin-bottom: 8px; color: #ffd7a0; }
.faq-box p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* download section */
.zone-download { background: #10141a; padding-top: 70px; }
.download-header { text-align: center; margin-bottom: 36px; }
.download-header h2 { font-size: 30px; margin-bottom: 10px; }
.download-header p { color: var(--muted); font-size: 15px; }
.steps-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px;
  margin-bottom: 36px;
}
.step-item {
  background: rgba(255,255,255,0.04); border-radius: 12px; padding: 18px;
  border-top: 2px solid var(--brand);
}
.step-num { font-size: 13px; color: var(--brand-2); font-weight: 700; margin-bottom: 6px; }
.step-item p { font-size: 13px; color: var(--muted); }
.download-group-center { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* footer */
.site-footer {
  background: #0b0b0e; padding: 40px 20px 28px; border-top: 1px solid var(--line);
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-brand img { height: 28px; border-radius: 6px; }
.footer-brand span { font-size: 15px; font-weight: 700; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.footer-nav a:hover { color: var(--text); }
.footer-bottom { font-size: 12px; color: #5a5a64; line-height: 1.8; border-top: 1px solid var(--line); padding-top: 16px; }
.footer-bottom a { color: #5a5a64; }
.footer-bottom a:hover { color: var(--muted); }
.footer-time { font-size: 12px; color: #4a4a54; margin-top: 6px; }

/* floating download */
.float-dl {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 100; display: flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #16161a; font-weight: 700; font-size: 14px;
  padding: 10px 22px; border-radius: 999px;
  box-shadow: 0 8px 28px rgba(255,90,60,0.4);
  transition: transform .2s ease;
}
.float-dl:hover { transform: translateX(-50%) translateY(-3px); }
.float-dl img { height: 22px; width: 22px; border-radius: 50%; }

/* mobile collapse */
.mobile-toggle {
  display: none;
  width: 100%; text-align: left; padding: 14px 16px; font-size: 15px; font-weight: 600;
  background: rgba(255,255,255,0.05); color: var(--text); border-radius: 10px;
  border: 1px solid var(--line); margin-bottom: 10px;
}
.mobile-toggle::after { content: "▾"; float: right; color: var(--brand-2); }
.mobile-toggle.open::after { content: "▴"; }

/* responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-slider { aspect-ratio: 16 / 10; }
  .hero h1 { font-size: 36px; }
  .quote-wall { columns: 2; }
  .privacy-layout { grid-template-columns: 1fr; }
  .privacy-img-wrap { order: -1; }
}
@media (max-width: 768px) {
  .header-nav { display: none; }
  .hero { padding: 40px 16px 30px; }
  .hero h1 { font-size: 26px; }
  .hero-desc { font-size: 14px; }
  .section { padding: 46px 16px; }
  .section-head h2 { font-size: 22px; }
  .weekend-list { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .quote-wall { columns: 1; }
  .stars-grid { grid-template-columns: 1fr; }
  .trend-grid { grid-template-columns: 1fr 1fr; }
  .brain-grid { grid-template-columns: 1fr; }
  .mobile-toggle { display: block; }
  .collapsible-content { display: none; }
  .collapsible-content.show { display: block; }
  .float-dl { width: calc(100% - 32px); justify-content: center; bottom: 14px; padding: 12px 0; }
  .dl-btn { font-size: 14px; padding: 10px 16px; }
  .download-header h2 { font-size: 22px; }
  .brand-name { font-size: 16px; }
}