
:root {
  --bg: #f4f8f6;
  --surface: #ffffff;
  --ink: #1a211e;
  --soft: #4a534e;
  --muted: #6d766f;
  --line: #dde6e1;
  --accent: #0d8a80;
  --accent-deep: #0a6b63;
  --accent-soft: #e4f6f2;
  --gold: #c9a24a;
  --shadow: 0 1px 2px rgba(26,33,30,.03), 0 12px 32px rgba(26,33,30,.05);
  --max: 1120px;
  --display: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --header: 70px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.65;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(13,138,128,.07), transparent 56%),
    linear-gradient(180deg, #ffffff 0%, #f7faf8 42%, var(--bg) 100%);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-deep); }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.skip {
  position: absolute; left: -999px;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 100; background: #fff; padding: .4rem .7rem; }
.site-header {
  position: sticky; top: 0; z-index: 80; min-height: var(--header);
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.2) blur(16px);
}
.site-header .bar {
  min-height: var(--header);
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: .85rem 1.1rem;
  padding: .6rem 0;
}
.brand { display: flex; align-items: center; gap: .7rem; min-width: 0; }
.brand .logo {
  width: 40px; height: 40px; border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(201,162,74,.28), 0 4px 12px rgba(26,33,30,.06);
  background: #f7f4ec;
}
.brand b { display: block; font-family: var(--display); font-size: 1.08rem; letter-spacing: -.03em; line-height: 1.1; }
.brand small { display: block; color: var(--muted); font-size: .68rem; }
.menu {
  justify-self: center;
  display: flex; align-items: center; flex-wrap: nowrap;
  gap: .18rem; padding: .2rem;
  background: #f2f6f4;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.menu a {
  display: inline-flex; align-items: center;
  padding: .42rem .78rem; border-radius: 999px;
  font-size: .8rem; font-weight: 650; color: var(--soft);
  white-space: nowrap;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}
.menu a:hover { background: #fff; color: var(--ink); }
.menu a[aria-current="page"] {
  background: #fff; color: var(--accent-deep);
  box-shadow: 0 1px 2px rgba(16,22,20,.05), 0 4px 10px rgba(13,138,128,.08);
}
.tools { display: flex; align-items: center; gap: .55rem; }
.lang {
  display: flex; padding: .16rem; gap: .12rem;
  background: #f2f6f4; border: 1px solid var(--line); border-radius: 999px;
}
.lang a {
  font-size: .75rem; color: var(--muted); font-weight: 650;
  padding: .28rem .55rem; border-radius: 999px;
}
.lang a:hover { background: #fff; color: var(--ink); }
.lang a[aria-current="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(16,22,20,.06); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: .55rem 1rem; font-weight: 700; font-size: .88rem;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); color: #fff; }
.btn-ghost { background: #fff; border-color: var(--line); }
.hero { padding: 2.6rem 0 1.2rem; }
.hero-shell { display: grid; grid-template-columns: 1.02fr .98fr; gap: 2rem; align-items: center; }
.hero h1 {
  font-family: var(--display); font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.18; letter-spacing: -.035em; margin: 0 0 .8rem;
}
.hero .lead, .page-hero .lead, .lead { color: var(--soft); font-size: 1.05rem; max-width: 40rem; }
.k { font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.3rem; }
.trust { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.25rem; }
.trust span {
  font-size: .74rem; font-weight: 650; color: var(--soft);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .22rem .62rem;
}
.hero-visual { display: grid; gap: .85rem; }
.hero-photo {
  position: relative; border-radius: 20px; overflow: hidden;
  aspect-ratio: 16/10; box-shadow: var(--shadow);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo .cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: .85rem 1rem;
  background: linear-gradient(180deg, transparent, rgba(246,243,234,.94));
  color: var(--ink); font-size: .82rem; font-weight: 650;
}
.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.hero-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform .28s ease, box-shadow .28s ease;
}
.hero-card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(16,22,20,.12); color: inherit; }
.hero-card .shot { aspect-ratio: 16/10; overflow: hidden; background: #e8eeeb; }
.hero-card .shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.hero-card:hover .shot img { transform: scale(1.05); }
.hero-card .pad { padding: .85rem .95rem 1rem; }
.hero-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .35rem; }
.hero-card .k { font-size: .7rem; }
.pill { font-size: .7rem; font-weight: 750; background: var(--accent-soft); color: var(--accent-deep); border-radius: 999px; padding: .16rem .5rem; }
.hero-card h2 { margin: 0 0 .2rem; font-size: 1.02rem; }
.hero-card p { margin: 0 0 .55rem; font-size: .84rem; }
.hero-card .meta { display: flex; gap: .35rem; flex-wrap: wrap; font-size: .72rem; color: var(--muted); }
.section { padding: 2.6rem 0; }
.section-head { max-width: 42rem; margin-bottom: 1.35rem; }
.section-head h2 { font-family: var(--display); font-size: 1.7rem; letter-spacing: -.03em; margin: 0 0 .35rem; }
.section-head p { margin: 0; color: var(--soft); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: stretch; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); display: flex; flex-direction: column;
  overflow: hidden; min-height: 100%;
  transition: transform .28s ease, box-shadow .28s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(16,22,20,.12); color: inherit; }
.card .shot { aspect-ratio: 16/10; overflow: hidden; background: #e8eeeb; }
.card .shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .shot img { transform: scale(1.05); }
.card .body { padding: 1.05rem 1.1rem 1.15rem; display: flex; flex-direction: column; gap: .42rem; flex: 1; }
.card .top { display: flex; justify-content: space-between; align-items: center; }
.card h3 { margin: .05rem 0 0; font-size: 1.06rem; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--soft); font-size: .9rem; flex: 1; }
.sku { display: flex; gap: .4rem; flex-wrap: wrap; }
.sku span { font-size: .72rem; background: #f3faf8; border: 1px solid var(--line); border-radius: 999px; padding: .12rem .48rem; }
.actions { display: flex; gap: .7rem; font-size: .86rem; font-weight: 750; margin-top: .2rem; }
.actions a:first-child { color: var(--accent-deep); }
.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: .85rem; }
.why article {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 1.1rem 1.05rem; box-shadow: var(--shadow); min-height: 100%;
}
.why b { display: block; font-family: var(--display); font-size: 1.02rem; margin: .2rem 0 .35rem; }
.why p { margin: 0; color: var(--soft); font-size: .88rem; }
.why .n { font-size: .72rem; font-weight: 800; color: var(--accent-deep); letter-spacing: .08em; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1.2rem 1.15rem; box-shadow: var(--shadow); min-height: 100%; }
.step em {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.7rem; height: 1.7rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-deep);
  font-style: normal; font-weight: 800; font-size: .82rem; margin-bottom: .55rem;
}
.step b { display: block; font-family: var(--display); font-size: 1.12rem; margin-bottom: .35rem; }
.step p { margin: 0; color: var(--soft); font-size: .9rem; }
.notes { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.notes a {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem 1.05rem; display: flex; flex-direction: column; gap: .4rem;
  box-shadow: var(--shadow); min-height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}
.notes a:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(16,22,20,.1); color: inherit; }
.notes a strong { font-size: .98rem; letter-spacing: -.02em; }
.notes a span { color: var(--muted); font-size: .8rem; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: .85rem 1rem; margin: 0 0 .55rem;
}
.faq summary { cursor: pointer; font-weight: 750; }
.faq p { margin: .55rem 0 0; color: var(--soft); }
.cta-band {
  background: #fff; color: var(--ink); border: 1px solid var(--line);
  border-radius: 20px; padding: 1.6rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  box-shadow: var(--shadow);
}
.cta-band h2 { margin: 0 0 .3rem; font-family: var(--display); font-size: 1.45rem; }
.cta-band p { margin: 0; color: var(--soft); }
.page-hero { padding: 2.2rem 0 1.1rem; }
.page-hero h1 { font-family: var(--display); font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -.03em; margin: 0 0 .6rem; }
.page-hero-shell { display: grid; grid-template-columns: 1.08fr .92fr; gap: 1.8rem; align-items: center; }
.page-shot {
  border-radius: 20px; overflow: hidden; aspect-ratio: 4/3;
  box-shadow: var(--shadow); background: #e8eeeb;
}
.page-shot img { width: 100%; height: 100%; object-fit: cover; }
.prose { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 1.5rem 1.55rem 1.7rem; box-shadow: var(--shadow); }
.prose h2 { font-family: var(--display); font-size: 1.25rem; margin: 1.4rem 0 .45rem; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.15rem; }
.prose li { margin: .28rem 0; }
.quote-list { display: grid; gap: .55rem; }
.quote-list li { list-style: none; background: #f7f3ea; border-radius: 10px; padding: .7rem .85rem; }
.keys { display: flex; flex-wrap: wrap; gap: .42rem; }
.keys span {
  font-size: .78rem; line-height: 1.35; color: var(--soft);
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: .28rem .7rem;
}
.site-footer { margin-top: 2.4rem; padding: 2rem 0 5.5rem; border-top: 1px solid var(--line); color: var(--soft); font-size: .88rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1.4rem; }
.site-footer h2 { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 .45rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: .28rem 0; }
.legal { margin-top: 1.2rem; color: var(--muted); font-size: .75rem; }
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  padding: .7rem 1rem calc(.7rem + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.92); border-top: 1px solid var(--line);
  display: none;
}
.mobile-cta .btn { width: 100%; }
@media (max-width: 980px) {
  .why { grid-template-columns: 1fr 1fr; }
  .notes { grid-template-columns: 1fr; }
}
@media (max-width: 1080px) {
  .menu { justify-self: stretch; overflow-x: auto; }
}
@media (max-width: 900px) {
  .hero-shell, .page-hero-shell, .grid-3, .steps, .foot-grid, .hero-cards { grid-template-columns: 1fr; }
  .site-header .bar { grid-template-columns: 1fr auto; }
  .menu {
    grid-column: 1 / -1; justify-self: stretch; flex-wrap: wrap;
    border-radius: 16px; padding: .28rem;
  }
  .menu a { padding: .4rem .7rem; }
  .tools .btn { padding: .45rem .85rem; }
  .mobile-cta { display: block; }
  .hero { padding-top: 1.6rem; }
  .why { grid-template-columns: 1fr; }
}
