/* KK Brief 港商情报 - mobile first */
:root {
  --navy: #12233f;
  --navy-2: #1b3557;
  --gold: #c9a24b;
  --ink: #1e2a38;
  --muted: #5b6b7d;
  --line: #e3e8ee;
  --bg: #f7f9fb;
  --card: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* 语言切换 */
body.show-cn .tw { display: none; }
body:not(.show-cn) .cn { display: none; }

/* header */
header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-weight: 800; font-size: 1.1rem; color: var(--navy); letter-spacing: .5px; }
.logo small { color: var(--gold); font-weight: 700; margin-left: 6px; }
.menu { display: flex; align-items: center; gap: 18px; font-size: .92rem; }
.menu a { color: var(--muted); }
.menu a:hover { color: var(--navy); }
.menu .cta { background: var(--navy); color: #fff; padding: 8px 16px; border-radius: 8px; font-weight: 600; }
.lang { border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; font-size: .8rem; color: var(--muted); background: #fff; cursor: pointer; }
@media (max-width: 720px) { .menu a:not(.cta) { display: none; } }

/* hero */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 70%); color: #fff; padding: 64px 0 56px; }
.hero h1 { font-size: clamp(1.6rem, 4.5vw, 2.6rem); font-weight: 800; line-height: 1.35; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero p.sub { margin-top: 16px; font-size: 1.02rem; color: #cfd9e6; max-width: 640px; }
.hero .actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn-gold { background: var(--gold); color: #1a1508; font-weight: 700; padding: 12px 26px; border-radius: 10px; font-size: 1rem; }
.btn-ghost { border: 1px solid rgba(255,255,255,.4); color: #fff; padding: 12px 22px; border-radius: 10px; font-size: .95rem; }
.hero .src { margin-top: 30px; font-size: .82rem; color: #8fa2ba; }

/* sections */
section { padding: 56px 0; }
.sec-title { font-size: 1.5rem; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.sec-sub { color: var(--muted); margin-bottom: 30px; font-size: .95rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.card .ic { font-size: 1.6rem; }
.card h3 { color: var(--navy); margin: 10px 0 8px; font-size: 1.05rem; }
.card p { color: var(--muted); font-size: .92rem; }

/* funding table cards */
.fund { border-left: 4px solid var(--gold); }
.fund .tag { display: inline-block; font-size: .75rem; background: #f4ecdb; color: #8a6d2b; border-radius: 20px; padding: 2px 10px; margin-bottom: 8px; }
.fund a.more { color: var(--navy); font-weight: 600; font-size: .88rem; }

/* about */
.about { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about p { max-width: 720px; color: var(--ink); margin-bottom: 12px; }

/* subscribe band */
.band { background: var(--navy); color: #fff; text-align: center; }
.band h2 { font-size: 1.4rem; margin-bottom: 10px; }
.band p { color: #cfd9e6; font-size: .95rem; margin-bottom: 22px; }
.band .mail { background: var(--gold); color: #1a1508; font-weight: 700; padding: 13px 30px; border-radius: 10px; display: inline-block; }
.band .note { margin-top: 14px; font-size: .8rem; color: #8fa2ba; }

/* sponsor page */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 18px; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.price-card.hot { border: 2px solid var(--gold); position: relative; }
.price-card .badge { position: absolute; top: -12px; left: 22px; background: var(--gold); color:#1a1508; font-size: .75rem; font-weight: 700; padding: 3px 12px; border-radius: 20px; }
.price-card .amount { font-size: 1.7rem; font-weight: 800; color: var(--navy); margin: 8px 0; }
.price-card ul { list-style: none; margin-top: 12px; }
.price-card li { font-size: .92rem; color: var(--muted); padding: 6px 0; border-bottom: 1px dashed var(--line); }
.price-card li::before { content: "✓ "; color: var(--gold); font-weight: 700; }
.ladder { background: #fff8ea; border: 1px solid #ecd9a8; border-radius: 12px; padding: 18px 22px; margin-top: 22px; font-size: .92rem; color: #6b5a2a; }

footer { padding: 34px 0 40px; color: var(--muted); font-size: .85rem; }
footer .cols { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }