:root {
  --bg: #0b0b0f;
  --bg-soft: #14141c;
  --bg-card: #1a1a24;
  --text: #f3f3f7;
  --muted: #a7a7b5;
  --line: rgba(255, 255, 255, 0.08);
  --brand: #e11d48;
  --brand-soft: #fb7185;
  --accent: #f97316;
  --ok: #22c55e;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --max: 1160px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(225, 29, 72, 0.18), transparent 50%),
              radial-gradient(900px 500px at 90% 0%, rgba(249, 115, 22, 0.12), transparent 45%),
              var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--brand-soft); text-decoration: none; }
a:hover { color: #fff; }
ul { list-style: none; }
.container { width: min(100% - 2rem, var(--max)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 11, 15, 0.85);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 1rem;
}
.logo {
  display: flex; align-items: center; gap: 0.7rem;
  color: #fff; font-weight: 800; font-size: 1.15rem; letter-spacing: 0.02em;
}
.logo img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; }
.nav { display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; }
.nav a {
  color: var(--muted); padding: 0.45rem 0.8rem; border-radius: 999px;
  font-size: 0.95rem; transition: 0.2s ease;
}
.nav a:hover, .nav a.active { color: #fff; background: rgba(225, 29, 72, 0.18); }
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
}
.menu-toggle-icon,
.menu-toggle-icon::before,
.menu-toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.2s ease;
  content: "";
}
.menu-toggle-icon {
  position: relative;
}
.menu-toggle-icon::before,
.menu-toggle-icon::after {
  position: absolute;
  left: 0;
}
.menu-toggle-icon::before { top: -6px; }
.menu-toggle-icon::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-icon {
  background: transparent;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  padding: 3.2rem 0 2.2rem;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2rem; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--brand-soft); font-size: 0.9rem; font-weight: 700;
  margin-bottom: 0.9rem;
}
.hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  line-height: 1.25; margin-bottom: 1rem; letter-spacing: 0.01em;
}
.hero p.lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 1.4rem; max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  padding: 0.85rem 1.25rem; border-radius: 12px; font-weight: 700; border: 1px solid transparent;
  transition: 0.2s ease; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); color: #fff; }
.btn-ghost { background: rgba(255,255,255,0.04); border-color: var(--line); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: #fff; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1rem; color: var(--muted); font-size: 0.92rem; }
.hero-meta strong { color: #fff; }
.hero-visual {
  position: relative; border-radius: 22px; overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--line); background: #000;
  aspect-ratio: 9 / 16; max-height: 620px;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.hero-badge {
  position: absolute; left: 1rem; bottom: 1rem;
  background: rgba(0,0,0,0.65); border: 1px solid var(--line);
  padding: 0.55rem 0.85rem; border-radius: 10px; font-size: 0.85rem;
}

.section { padding: 3rem 0; }
.section-head { margin-bottom: 1.5rem; max-width: 46rem; }
.section-head h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem); margin-bottom: 0.55rem; line-height: 1.3;
}
.section-head p { color: var(--muted); }
.grid-3, .grid-4, .grid-2 { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card, .feature, .article-card, .legal-box {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%), var(--bg-card);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.card img, .shot img {
  width: 100%; aspect-ratio: 9 / 16; object-fit: cover; object-position: top center; background: #000;
}
.card-body, .feature { padding: 1rem 1.05rem 1.15rem; }
.card h3, .feature h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.card p, .feature p { color: var(--muted); font-size: 0.95rem; }
.feature { display: flex; gap: 0.9rem; align-items: flex-start; }
.feature-icon {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(225, 29, 72, 0.15); color: var(--brand-soft); font-weight: 800;
}

.shot {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background: var(--bg-card); box-shadow: var(--shadow);
}
.shot figcaption {
  padding: 0.85rem 1rem; color: var(--muted); font-size: 0.92rem; border-top: 1px solid var(--line);
}

.prose {
  background: rgba(255,255,255,0.02); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.4rem 1.35rem;
}
.prose h2, .prose h3 { margin: 1.4rem 0 0.7rem; line-height: 1.35; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose p { margin-bottom: 1rem; color: #d8d8e2; }
.prose ul, .prose ol { margin: 0 0 1rem 1.2rem; color: #d8d8e2; }
.prose li { margin-bottom: 0.45rem; list-style: disc; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.seo-block { margin-top: 1.2rem; }
.seo-block + .seo-block { margin-top: 1.6rem; }

.links-inline { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 0.9rem; }
.links-inline a {
  background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  color: #fff; padding: 0.4rem 0.75rem; border-radius: 999px; font-size: 0.88rem;
}
.links-inline a:hover { border-color: rgba(225, 29, 72, 0.5); color: var(--brand-soft); }

.page-hero {
  padding: 2.4rem 0 1.2rem; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem;
}
.page-hero h1 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); margin-bottom: 0.55rem; }
.page-hero p { color: var(--muted); max-width: 48rem; }
.breadcrumb { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.8rem; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: #fff; }

.legal-box { padding: 1.4rem 1.35rem; }
.legal-box h2 { margin: 1.3rem 0 0.65rem; font-size: 1.2rem; }
.legal-box h2:first-child { margin-top: 0; }
.legal-box p, .legal-box li { color: #d0d0db; margin-bottom: 0.8rem; }
.legal-box ul { margin-left: 1.2rem; }
.legal-box li { list-style: disc; }

.error-page {
  min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 3rem 1rem;
}
.error-page h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin-bottom: 0.5rem; }
.error-page p { color: var(--muted); margin-bottom: 1.2rem; max-width: 32rem; }

.site-footer {
  margin-top: 3rem; border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.35); padding: 2.4rem 0 1.6rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 1.5rem; margin-bottom: 1.8rem;
}
.site-footer h3 { margin-bottom: 0.7rem; font-size: 1rem; }
.site-footer p, .site-footer a { color: var(--muted); font-size: 0.93rem; }
.site-footer a { display: block; padding: 0.22rem 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--line); padding-top: 1rem;
  color: var(--muted); font-size: 0.88rem; display: flex; flex-wrap: wrap; gap: 0.8rem;
  justify-content: space-between;
}

.faq details {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px;
  padding: 0.95rem 1.05rem; margin-bottom: 0.7rem;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { color: var(--muted); margin-top: 0.6rem; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; }
  .hero-visual { max-height: 520px; margin: 0 auto; width: min(100%, 380px); }
  .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    display: none; position: absolute; left: 1rem; right: 1rem; top: 68px;
    flex-direction: column; align-items: stretch;
    background: #15151e; border: 1px solid var(--line); border-radius: 14px;
    padding: 0.6rem; box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 0.75rem 0.9rem; }
  .grid-2, .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 2.2rem 0; }
  .prose, .legal-box { padding: 1.1rem; }
}