* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0e0e10;
  --bg-soft: #16161a;
  --card: #1c1c21;
  --line: #2a2a30;
  --orange: #ff9a00;
  --text: #e8e8ec;
  --text-dim: #a5a5b0;
  --text-faint: #6f6f7a;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--orange); text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14,14,16,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1240px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; white-space: nowrap; }
.brand img { height: 34px; width: auto; border-radius: 8px; }
.brand .accent { color: var(--orange); }
.nav-links { display: flex; gap: 22px; margin-left: 12px; }
.nav-links a { color: var(--text-dim); font-size: 15px; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav-links a:hover { color: #fff; border-bottom-color: var(--orange); }
.header-note { margin-left: auto; font-size: 13px; color: var(--text-faint); }

.hero {
  max-width: 1240px; margin: 0 auto; padding: 48px 24px 24px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
}
.hero-tag {
  display: inline-block; font-size: 12px; letter-spacing: 1px;
  color: var(--orange); border: 1px solid rgba(255,154,0,.4);
  border-radius: 20px; padding: 3px 12px; margin-bottom: 18px;
}
.hero h1 { font-size: 38px; line-height: 1.35; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero p { margin-top: 18px; color: var(--text-dim); font-size: 16px; max-width: 30em; }
.hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange); color: #1b1200; font-weight: 700;
  padding: 12px 26px; border-radius: 8px; font-size: 15px;
  transition: transform .18s ease, filter .18s ease;
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text); font-size: 15px; padding: 12px 22px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg-soft);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }
.hero-pic { position: relative; }
.hero-pic img { width: 100%; border-radius: 16px; border: 1px solid var(--line); }
.hero-pic .caption {
  position: absolute; left: 16px; bottom: 16px; right: 16px;
  background: rgba(0,0,0,.6); border-radius: 10px; padding: 10px 14px;
  font-size: 13px; color: #f0f0f0;
}

.main-wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
section { padding: 56px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.section-head h2 { font-size: 26px; letter-spacing: .5px; }
.section-head h2::before {
  content: ""; display: inline-block; width: 5px; height: 20px;
  background: var(--orange); border-radius: 3px; margin-right: 12px;
  vertical-align: -2px;
}
.section-head .sub { color: var(--text-faint); font-size: 14px; }
.section-head p { color: var(--text-dim); font-size: 15px; margin-top: 8px; width: 100%; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.feature-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 24px 22px; transition: border-color .2s ease, transform .2s ease;
}
.feature-card:hover { border-color: rgba(255,154,0,.5); transform: translateY(-3px); }
.feature-card .num { font-size: 13px; color: var(--orange); letter-spacing: 2px; font-weight: 700; }
.feature-card h3 { font-size: 18px; margin: 10px 0 8px; }
.feature-card p { font-size: 14px; color: var(--text-dim); }

.showcase-list { display: flex; flex-direction: column; gap: 26px; }
.showcase-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 16px; padding: 22px;
}
.showcase-item.reverse .sc-text { order: 2; }
.showcase-item.reverse .sc-media { order: 1; }
.showcase-item img { border-radius: 12px; width: 100%; }
.sc-text h3 { font-size: 20px; margin-bottom: 12px; }
.sc-text p { color: var(--text-dim); font-size: 15px; }
.sc-text .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.sc-text .tags span {
  font-size: 12px; color: var(--text-dim); background: #24242b;
  border-radius: 20px; padding: 4px 12px;
}

.hscroll {
  display: grid; grid-auto-flow: column; grid-auto-columns: 240px;
  gap: 16px; overflow-x: auto; padding-bottom: 12px;
}
.hscroll::-webkit-scrollbar { height: 6px; }
.hscroll::-webkit-scrollbar-thumb { background: #33333c; border-radius: 3px; }
.shot-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.shot-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.shot-card .sc-cap { padding: 10px 12px; font-size: 13px; color: var(--text-dim); }

.guide-steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.guide-step {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 26px 22px 22px;
}
.guide-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-size: 34px; font-weight: 800; color: rgba(255,154,0,.22);
  display: block; line-height: 1;
}
.guide-step h3 { font-size: 17px; margin: 8px 0 8px; }
.guide-step p { font-size: 14px; color: var(--text-dim); }

.qa { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.qa-item { background: var(--bg-soft); border-left: 3px solid var(--orange); border-radius: 0 12px 12px 0; padding: 18px 22px; }
.qa-item h3 { font-size: 16px; margin-bottom: 8px; }
.qa-item p { font-size: 14px; color: var(--text-dim); }

.gallery-mosaic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery-mosaic figure { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.gallery-mosaic img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.gallery-mosaic figcaption { font-size: 13px; color: var(--text-dim); padding: 9px 12px; }

.site-footer { border-top: 1px solid var(--line); background: #0a0a0c; margin-top: 40px; }
.footer-inner {
  max-width: 1240px; margin: 0 auto; padding: 36px 24px 28px;
  display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; }
.footer-brand img { height: 26px; width: auto; border-radius: 6px; }
.footer-meta { font-size: 13px; color: var(--text-faint); text-align: right; }
.footer-meta time { color: var(--text-faint); }

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .guide-steps { grid-template-columns: 1fr; }
  .showcase-item { grid-template-columns: 1fr; }
  .showcase-item.reverse .sc-text { order: 1; }
  .showcase-item.reverse .sc-media { order: 2; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 32px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .header-note { display: none; }
  .header-inner { height: 58px; padding: 0 16px; }
  .hero { padding: 32px 16px 12px; }
  .hero h1 { font-size: 26px; }
  .main-wrap { padding: 0 16px; }
  section { padding: 40px 0; }
  .grid-4, .grid-3, .grid-2, .qa, .gallery-mosaic { grid-template-columns: 1fr; }
  .hscroll { grid-auto-columns: 200px; }
  .section-head h2 { font-size: 21px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}