/* KPLANZ 简体中文站 — cn.kplanz.com */
:root {
  --ink: #1a1a1a;
  --ink-soft: #555;
  --accent: #c8102e;
  --accent-dark: #9e0d24;
  --bg: #ffffff;
  --bg-soft: #f7f6f4;
  --border: #e6e3de;
  --radius: 14px;
  --maxw: 1080px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
header.site .bar { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.logo { font-weight: 800; font-size: 1.15rem; letter-spacing: .04em; color: var(--ink); }
.logo span { color: var(--accent); }
nav.main { display: flex; gap: 6px; }
nav.main a {
  color: var(--ink-soft); font-size: .95rem; padding: 7px 12px; border-radius: 8px;
}
nav.main a:hover, nav.main a.on { color: var(--accent); background: var(--bg-soft); text-decoration: none; }
.nav-toggle { display: none; }

/* Hero */
.hero { background: linear-gradient(160deg, #fdf9f6 0%, #f5efe9 100%); padding: 72px 0 64px; text-align: center; }
.hero .kicker { color: var(--accent); font-weight: 700; letter-spacing: .18em; font-size: .85rem; }
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 800; margin: 12px 0 14px; letter-spacing: .01em; }
.hero p.lead { color: var(--ink-soft); font-size: 1.08rem; max-width: 620px; margin: 0 auto 26px; }
.hero .loc { margin-top: 20px; color: var(--ink-soft); font-size: .95rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px; font-weight: 700;
  background: var(--accent); color: #fff; transition: background .15s;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Sections */
section { padding: 60px 0; }
section.alt { background: var(--bg-soft); }
.sec-head { text-align: center; margin-bottom: 38px; }
.sec-head .kicker { color: var(--accent); font-weight: 700; letter-spacing: .16em; font-size: .8rem; }
.sec-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; margin-top: 6px; }
.sec-head p { color: var(--ink-soft); margin-top: 8px; }

/* Cards */
.grid { display: grid; gap: 20px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.07); }
.card .emoji { font-size: 2rem; }
.card h3 { font-size: 1.12rem; margin: 12px 0 6px; }
.card p { color: var(--ink-soft); font-size: .93rem; }
.card .more { display: inline-block; margin-top: 12px; font-weight: 700; font-size: .9rem; }
section.alt .card { background: #fff; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { text-align: center; padding: 18px 10px; }
.step .num {
  width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 800; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 1rem; margin-bottom: 4px; }
.step p { color: var(--ink-soft); font-size: .88rem; }

/* Product catalog */
.cat-nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 34px; }
.cat-nav a {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border);
  color: var(--ink-soft); font-size: .92rem; background: #fff;
}
.cat-nav a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.cat-title { font-size: 1.35rem; font-weight: 800; margin: 44px 0 6px; }
.cat-desc { color: var(--ink-soft); margin-bottom: 20px; }
.item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin-bottom: 16px;
  display: flex; gap: 20px; align-items: flex-start;
}
.item .thumb {
  width: 112px; height: 112px; object-fit: cover; border-radius: 10px;
  flex-shrink: 0; background: var(--bg-soft); border: 1px solid var(--border);
}
.item .content { flex: 1; min-width: 0; }
.item .head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.item h3 { font-size: 1.08rem; }
.item .price { color: var(--accent); font-weight: 800; white-space: nowrap; }
.item .sub { color: var(--ink-soft); font-size: .9rem; margin-top: 2px; }
.item details { margin-top: 12px; }
.item summary { cursor: pointer; font-weight: 700; font-size: .92rem; color: var(--accent); }
.item details .body { margin-top: 12px; font-size: .92rem; color: var(--ink-soft); }
.item details h5 { color: var(--ink); font-size: .95rem; margin: 12px 0 4px; }
.item ul { padding-left: 1.3em; }
.item .warn { margin-top: 10px; font-size: .85rem; color: #a05a00; background: #fff8ec; border-radius: 8px; padding: 8px 12px; }

/* Tables */
.rate-tabs { display: flex; gap: 8px; margin: 12px 0 0; }
.rate-tab {
  padding: 8px 22px; border-radius: 999px 999px 0 0; border: 1px solid var(--border); border-bottom: none;
  background: var(--bg-soft); color: var(--ink-soft); font-size: .92rem; font-weight: 700; cursor: pointer;
}
.rate-tab.on { background: var(--accent); color: #fff; border-color: var(--accent); }
table.rate { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: .92rem; background: #fff; }
table.rate.rate-panel { margin-top: 0; }
table.rate th, table.rate td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; }
table.rate th { background: var(--bg-soft); font-weight: 700; }
.price-line { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--border); padding: 10px 2px; font-size: .95rem; }
.price-line .v { font-weight: 800; color: var(--accent); white-space: nowrap; }
.price-line .old { text-decoration: line-through; color: #aaa; font-weight: 400; margin-right: 6px; }

/* Service blocks */
.svc { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 26px; }
.svc h3 { font-size: 1.3rem; margin-bottom: 4px; }
.svc .tag { color: var(--accent); font-weight: 700; font-size: .85rem; letter-spacing: .08em; }
.svc p.desc { color: var(--ink-soft); margin: 10px 0 6px; }
.svc details { margin-top: 14px; }
.svc summary { cursor: pointer; font-weight: 700; color: var(--accent); font-size: .93rem; }
.svc details .body { margin-top: 12px; color: var(--ink-soft); font-size: .93rem; }
.svc details h5 { color: var(--ink); margin: 14px 0 4px; font-size: .98rem; }
.svc ul { padding-left: 1.3em; }
.note { font-size: .88rem; color: #a05a00; background: #fff8ec; border-radius: 8px; padding: 10px 14px; margin: 12px 0; }

/* FAQ */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; }
.faq-item summary { cursor: pointer; font-weight: 700; padding: 16px 20px; list-style: none; position: relative; }
.faq-item summary::after { content: "＋"; position: absolute; right: 18px; color: var(--accent); }
.faq-item[open] summary::after { content: "－"; }
.faq-item .a { padding: 0 20px 16px; color: var(--ink-soft); font-size: .95rem; }

/* Contact / WeChat */
.contact-box {
  background: linear-gradient(160deg, #fdf9f6, #f5efe9);
  border-radius: var(--radius); padding: 44px 30px; text-align: center;
}
.contact-box h2 { font-size: 1.6rem; margin-bottom: 8px; }
.contact-box p { color: var(--ink-soft); margin-bottom: 22px; }
.wechat-card {
  display: inline-block; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 34px; margin: 8px;
}
.wechat-card .id { font-size: 1.2rem; font-weight: 800; color: #07c160; }
.wechat-card .hint { font-size: .85rem; color: var(--ink-soft); margin-top: 4px; }
.qr-placeholder {
  width: 150px; height: 150px; margin: 0 auto 12px; border: 2px dashed #cfcac2;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: #b0aaa0; font-size: .8rem;
}

/* Info rows (location) */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.info-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.info-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.info-card p, .info-card li { color: var(--ink-soft); font-size: .95rem; }
.info-card ul { padding-left: 1.3em; }

/* Blog list */
.post-card {
  display: flex; gap: 22px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; margin-bottom: 18px; align-items: flex-start;
}
.post-card .cover { width: 220px; height: 130px; object-fit: cover; border-radius: 10px; flex-shrink: 0; background: var(--bg-soft); }
.post-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.post-card h3 a { color: var(--ink); }
.post-card h3 a:hover { color: var(--accent); text-decoration: none; }
.post-card .date { color: #9a948b; font-size: .83rem; margin-bottom: 8px; }
.post-card p { color: var(--ink-soft); font-size: .93rem; }
@media (max-width: 640px) {
  .post-card { flex-direction: column; }
  .post-card .cover { width: 100%; height: 170px; }
}

/* Blog article */
article.post { max-width: 760px; margin: 0 auto; padding: 48px 20px 20px; }
article.post .post-meta { color: #9a948b; font-size: .88rem; margin-bottom: 18px; }
article.post h1 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 800; line-height: 1.35; margin-bottom: 12px; }
article.post .hero-img { width: 100%; border-radius: var(--radius); margin: 20px 0 28px; }
article.post h2 { font-size: 1.35rem; font-weight: 800; margin: 38px 0 12px; }
article.post h3 { font-size: 1.1rem; font-weight: 700; margin: 26px 0 8px; }
article.post p { margin-bottom: 14px; color: #333; }
article.post ul, article.post ol { padding-left: 1.4em; margin-bottom: 14px; color: #333; }
article.post li { margin-bottom: 6px; }
article.post table.rate { font-size: .9rem; }
article.post .tip {
  background: #fff8ec; border-left: 4px solid #e0a13a; border-radius: 0 10px 10px 0;
  padding: 14px 18px; margin: 18px 0; font-size: .93rem; color: #6b4e12;
}
article.post .related { border-top: 1px solid var(--border); margin-top: 40px; padding-top: 22px; }
article.post .related h2 { margin-top: 0; font-size: 1.1rem; }
article.post .related a { display: block; margin-bottom: 8px; font-size: .95rem; }

/* Footer */
footer.site { background: #1c1a18; color: #b8b2aa; padding: 44px 0 30px; margin-top: 40px; font-size: .88rem; }
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; margin-bottom: 26px; }
footer.site h4 { color: #fff; font-size: .95rem; margin-bottom: 10px; }
footer.site a { color: #d8d2c8; }
footer.site .fine { border-top: 1px solid #333; padding-top: 18px; font-size: .8rem; color: #8a857d; }

/* Responsive */
@media (max-width: 860px) {
  .grid.c3, .grid.c4, .grid.c2, .info-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  footer.site .cols { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid.c3, .grid.c4, .grid.c2, .info-grid { grid-template-columns: 1fr; }
  .item { gap: 14px; }
  .item .thumb { width: 80px; height: 80px; }
  nav.main { display: none; }
  nav.main.open { display: flex; flex-direction: column; position: absolute; top: 62px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 10px 20px 16px; }
  .nav-toggle { display: block; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; font-size: 1.05rem; cursor: pointer; }
}