/* Waysh — 全站样式（移动优先，响应式） */
:root {
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --line: #e6e6e6;
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --accent: #c8a24c;      /* 沉稳金，男士个护调性 */
  --accent-dark: #a8863a;
  --max: 1140px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent-dark); }
img, svg { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: 2.2rem; margin-bottom: .5em; }
h2 { font-size: 1.7rem; margin-bottom: .7em; }
h3 { font-size: 1.2rem; margin-bottom: .4em; }
p { margin-bottom: 1em; color: var(--ink-soft); }
section { padding: 64px 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: var(--max); margin: 0 auto; padding: 0 20px;
}
.brand { font-size: 1.4rem; font-weight: 800; letter-spacing: .04em; }
.brand .dot { color: var(--accent); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { font-size: .95rem; font-weight: 500; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-soft), #fff);
  text-align: center; padding: 88px 0;
}
.hero p.lead { font-size: 1.15rem; max-width: 640px; margin: 0 auto 1.6em; }
.btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 14px 34px; border-radius: 4px; font-weight: 600;
  border: 0; cursor: pointer; transition: background .2s;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }

/* Grid cards */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  background: #fff; transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 8px 28px rgba(0,0,0,.08); transform: translateY(-3px); }
.card .card-img { background: var(--bg-soft); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; }
.card .card-body { padding: 20px; }
.card .price { color: var(--accent-dark); font-weight: 700; margin-top: .3em; }

.feature-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; text-align: center; }
.feature-row .feat { padding: 20px; }
.feature-row .feat .icon { font-size: 2rem; margin-bottom: .3em; }

.bg-soft { background: var(--bg-soft); }
.center { text-align: center; }
.narrow { max-width: 760px; margin: 0 auto; }

/* Legal pages */
.legal { padding: 56px 0; }
.legal h1 { margin-bottom: .2em; }
.legal .updated { color: #999; font-size: .9rem; margin-bottom: 2em; }
.legal h2 { font-size: 1.25rem; margin-top: 1.6em; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { margin: 0 0 1em 1.4em; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.form-field input, .form-field textarea {
  width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 4px; font: inherit;
}
.info-line { margin-bottom: 12px; }
.info-line strong { display: block; }

/* Footer */
.site-footer { background: var(--ink); color: #cfcfcf; padding: 56px 0 0; margin-top: 40px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.6fr; gap: 28px;
  max-width: var(--max); margin: 0 auto; padding: 0 20px;
}
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 1em; }
.footer-col a { display: block; color: #cfcfcf; font-size: .9rem; margin-bottom: .5em; }
.footer-col a:hover { color: #fff; }
.footer-col p { color: #9a9a9a; font-size: .85rem; margin-bottom: .4em; }
.footer-logo { font-size: 1.3rem; font-weight: 800; color: #fff; }
.footer-bottom {
  border-top: 1px solid #333; margin-top: 40px; padding: 20px;
  text-align: center; font-size: .82rem; color: #8a8a8a;
}

/* Responsive */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  h1 { font-size: 1.8rem; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 16px 20px; border-top: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .grid-3, .grid-2, .feature-row, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* 产品多角度画廊 */
.product-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: start; padding: 40px 0; border-bottom: 1px solid var(--line);
}
.product-block:last-child { border-bottom: 0; }
.gallery .main-img {
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  background: var(--bg-soft); aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center;
}
.gallery .main-img img { width: 100%; height: 100%; object-fit: cover; }
.gallery .thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gallery .thumbs img {
  width: 72px; height: 72px; object-fit: cover; border: 2px solid var(--line);
  border-radius: 6px; cursor: pointer; transition: border-color .15s;
}
.gallery .thumbs img:hover, .gallery .thumbs img.active { border-color: var(--accent); }
.product-info h2 { margin-bottom: .3em; }
.product-info .price { font-size: 1.4rem; color: var(--accent-dark); font-weight: 700; margin: .4em 0 .8em; }
.product-info ul { margin: 0 0 1.2em 1.2em; }
.product-info ul li { color: var(--ink-soft); margin-bottom: .4em; }
@media (max-width: 720px) {
  .product-block { grid-template-columns: 1fr; gap: 24px; }
}