/*
Theme Name: Yueyuan Info
Theme URI: https://www.lingyueyuan.com
Author: Yueyuan
Description: 轻量信息服务主题，用于 ICP 经营许可证申报站点。包含服务介绍、资讯列表、会员付费入口、公司主体信息与备案信息展示。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: yueyuan
*/

:root {
  --c-primary: #16365c;
  --c-primary-dark: #0f2743;
  --c-accent: #c9a227;
  --c-text: #1f2328;
  --c-muted: #5b6572;
  --c-line: #e5e8ec;
  --c-bg: #ffffff;
  --c-bg-soft: #f6f8fa;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(16, 32, 56, 0.06);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-accent); }

h1, h2, h3, h4 { line-height: 1.35; color: var(--c-primary-dark); margin: 0 0 .6em; }
h1 { font-size: clamp(1.75rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.wrap { width: min(1160px, 92vw); margin-inline: auto; }
.section { padding: 72px 0; }
.section--soft { background: var(--c-bg-soft); }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head p { color: var(--c-muted); margin: 0; }

/* 顶部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--c-primary-dark); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff; display: grid; place-items: center; font-size: .95rem; letter-spacing: .5px;
}
.brand small { display: block; font-size: .7rem; font-weight: 400; color: var(--c-muted); letter-spacing: .08em; }

.primary-nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
.primary-nav a { color: var(--c-text); font-size: .95rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.primary-nav a:hover,
.primary-nav .current-menu-item > a { color: var(--c-primary); border-bottom-color: var(--c-accent); }

.header-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; font-size: .95rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease;
}
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; }
.btn--ghost { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--ghost:hover { background: var(--c-primary); color: #fff; }
.btn--accent { background: var(--c-accent); color: #241c00; }
.btn--accent:hover { filter: brightness(.94); color: #241c00; }

/* Hero */
.hero {
  padding: 84px 0 76px;
  background:
    radial-gradient(900px 380px at 80% -10%, rgba(201, 162, 39, .14), transparent 60%),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--c-line);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero .eyebrow {
  display: inline-block; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-accent); font-weight: 700; margin-bottom: 14px;
}
.hero h1 { margin-bottom: 18px; }
.hero p { font-size: 1.06rem; color: var(--c-muted); max-width: 34em; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.hero-facts { display: grid; gap: 14px; }
.fact {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow);
}
.fact strong { display: block; font-size: 1.5rem; color: var(--c-primary); line-height: 1.2; }
.fact span { font-size: .85rem; color: var(--c-muted); }

/* 服务卡片 */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow); transition: .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: #d5dbe3; }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(22, 54, 92, .08); color: var(--c-primary); font-weight: 700; margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--c-muted); font-size: .94rem; margin: 0; }

/* 资讯列表 */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: .2s ease;
}
.post-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(16, 32, 56, .09); }
.post-card__thumb { aspect-ratio: 16 / 9; background: linear-gradient(135deg, #dde5ef, #eef2f7); }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card__meta { font-size: .78rem; color: var(--c-muted); letter-spacing: .04em; }
.post-card h3 { font-size: 1.05rem; margin: 0; }
.post-card h3 a { color: var(--c-primary-dark); }
.post-card h3 a:hover { color: var(--c-primary); }
.post-card p { font-size: .9rem; color: var(--c-muted); margin: 0; }
.post-card__more { margin-top: auto; font-size: .85rem; font-weight: 600; }

/* 会员价格 */
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 24px; justify-content: center; }
.price-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: 14px; padding: 34px 30px;
  text-align: center; box-shadow: var(--shadow); position: relative;
}
.price-card--featured { border-color: var(--c-accent); box-shadow: 0 12px 34px rgba(201, 162, 39, .18); }
.price-card__tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--c-accent); color: #241c00; font-size: .72rem; font-weight: 700;
  padding: 3px 12px; border-radius: 999px; letter-spacing: .06em;
}
.price-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.price { font-size: 2.4rem; font-weight: 800; color: var(--c-primary); line-height: 1.1; }
.price small { font-size: .85rem; font-weight: 500; color: var(--c-muted); }
.price-card ul { list-style: none; margin: 20px 0 26px; padding: 0; text-align: left; display: grid; gap: 10px; }
.price-card li { font-size: .92rem; color: var(--c-muted); padding-left: 24px; position: relative; }
.price-card li::before {
  content: "✓"; position: absolute; left: 0; color: var(--c-accent); font-weight: 700;
}

/* 文章页 */
.article { padding: 56px 0 80px; }
.article__head { text-align: center; margin-bottom: 40px; }
.article__head h1 { margin-bottom: 12px; }
.article__meta { font-size: .86rem; color: var(--c-muted); }
.article__body { max-width: 780px; margin-inline: auto; font-size: 1.02rem; }
.article__body h2 { margin-top: 2em; }
.article__body blockquote {
  margin: 1.6em 0; padding: 14px 20px; border-left: 3px solid var(--c-accent);
  background: var(--c-bg-soft); color: var(--c-muted);
}
.article__body img { border-radius: 8px; margin: 1.4em auto; }

/* 页脚 */
.site-footer { background: var(--c-primary-dark); color: #c7d2df; padding: 56px 0 26px; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.site-footer a { color: #c7d2df; }
.site-footer a:hover { color: var(--c-accent); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer p { margin: 0 0 .5em; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 20px;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: .82rem; color: #9fb0c4;
}
.beian a { color: #9fb0c4; }

/* 响应式 */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .card-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .hero { padding: 56px 0 48px; }
  .card-grid, .post-grid, .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .primary-nav { display: none; }
  .primary-nav.is-open { display: block; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--c-line); padding: 12px 4vw; }
  .primary-nav.is-open ul { flex-direction: column; gap: 4px; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border: 1px solid var(--c-line); border-radius: 8px;
    background: #fff; cursor: pointer;
  }
}