/* ============================================================
   妙排官网 · 纸墨编辑风
   排版工具官网 = 排版示范:宋体标题 × 黑体正文 × 纸白底 × 朱砂点缀
   ============================================================ */

:root {
  color-scheme: light;
  --paper: #f7f4ee;
  --card: #fffdf8;
  --ink: #1f2228;
  --body: #464a51;
  --muted: #8a8f97;
  --line: #e3ded2;
  --seal: #bf3b2b;
  --seal-deep: #992d20;
  --seal-tint: #f8eae5;
  --serif: 'Songti SC', 'STSong', 'Noto Serif SC', 'SimSun', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--body);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* ---------- 页眉 ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 244, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap {
  display: flex; align-items: center; gap: 32px;
  height: 60px;
}
.logo {
  font-family: var(--serif);
  font-size: 22px; font-weight: 700; color: var(--ink);
  letter-spacing: 0.06em;
  display: flex; align-items: center; gap: 8px;
}
.logo .seal-dot {
  width: 9px; height: 9px; border-radius: 2px;
  background: var(--seal);
  transform: rotate(45deg);
}
.site-nav { display: flex; gap: 26px; margin-left: auto; font-size: 15px; }
.site-nav a { color: var(--body); transition: color 0.15s; }
.site-nav a:hover { color: var(--seal); }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 72px; border-bottom: 1px solid var(--line); }
.hero .wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; letter-spacing: 0.14em; color: var(--seal);
  margin-bottom: 22px;
}
.hero-kicker::before, .hero-kicker::after {
  content: ''; height: 1px; width: 28px; background: var(--seal); opacity: 0.5;
}
h1.hero-title {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 62px);
  font-weight: 700;
  line-height: 1.22;
  color: var(--ink);
  letter-spacing: 0.02em;
  text-wrap: balance;
}
h1.hero-title em {
  font-style: normal;
  color: var(--seal);
}
.hero-sub {
  margin-top: 22px;
  max-width: 34em;
  font-size: 17px;
  color: var(--body);
}
.hero-sub strong { color: var(--ink); font-weight: 600; }
.hero-cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 8px;
  font-size: 16px;
  transition: transform 0.12s, box-shadow 0.12s, background 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-seal {
  background: var(--seal); color: #fff;
  box-shadow: 0 6px 18px rgba(191, 59, 43, 0.28);
}
.btn-seal:hover { background: var(--seal-deep); }
.btn-ghost {
  border: 1px solid var(--line); color: var(--ink); background: var(--card);
}
.btn-ghost:hover { border-color: var(--seal); color: var(--seal); }
.hero-notes {
  margin-top: 26px;
  display: flex; gap: 22px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--muted);
}
.hero-notes span::before { content: '·'; color: var(--seal); margin-right: 8px; font-weight: 700; }

/* hero 右侧竖排装饰 */
.hero-vertical {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.5em;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 28px;
  height: 340px;
  user-select: none;
}
.hero-vertical b { color: var(--seal); font-weight: 700; }

/* ---------- 通用小节 ---------- */
section { padding: 78px 0; }
section + section { border-top: 1px solid var(--line); }
.sec-head { margin-bottom: 46px; }
.sec-eyebrow {
  font-size: 13px; letter-spacing: 0.22em; color: var(--seal);
  margin-bottom: 12px;
}
h2.sec-title {
  font-family: var(--serif);
  font-size: clamp(28px, 3.6vw, 38px);
  font-weight: 700; color: var(--ink);
  letter-spacing: 0.02em;
}
.sec-desc { margin-top: 14px; color: var(--muted); max-width: 40em; }

/* ---------- 三步流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 26px;
}
.step-num {
  font-family: var(--serif);
  font-size: 15px; font-weight: 700;
  color: var(--seal);
  letter-spacing: 0.1em;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.step-num::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.step h3 { font-size: 19px; color: var(--ink); margin-bottom: 10px; font-weight: 600; }
.step p { font-size: 15px; color: var(--body); }

/* ---------- 模板九宫格 ---------- */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.theme-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
}
.theme-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(31, 34, 40, 0.09);
}
.theme-preview { height: 148px; overflow: hidden; position: relative; }
/* 预览里的微型版式 */
.pv-banner {
  padding: 16px 16px 12px;
  font-size: 15px; font-weight: 700; line-height: 1.35;
}
.pv-banner small { display: block; font-size: 10px; font-weight: 400; margin-top: 3px; opacity: 0.75; }
.pv-editorial { padding: 16px 16px 0; }
.pv-editorial .pv-kicker { font-size: 9px; letter-spacing: 0.28em; margin-bottom: 6px; }
.pv-editorial .pv-title { font-size: 15px; font-weight: 700; line-height: 1.35; padding-bottom: 10px; border-bottom: 1px solid; }
.pv-plain { padding: 20px 16px 0; }
.pv-plain .pv-title { font-size: 16px; font-weight: 700; line-height: 1.35; }
.pv-body { padding: 12px 16px 0; font-size: 10px; line-height: 1.8; }
.pv-chip {
  position: absolute; left: 16px; bottom: 12px;
  font-size: 9px; padding: 2px 8px; border-radius: 999px;
  letter-spacing: 0.08em;
}
.theme-meta { padding: 16px 18px; border-top: 1px solid var(--line); }
.theme-name { display: flex; align-items: baseline; gap: 10px; }
.theme-name h3 { font-size: 16.5px; color: var(--ink); font-weight: 600; }
.theme-tag {
  font-size: 11px; padding: 1px 8px; border-radius: 999px;
  letter-spacing: 0.04em; white-space: nowrap;
}
.tag-free { color: #1c6b4a; background: #e9f4ee; }
.tag-paid { color: var(--seal); background: var(--seal-tint); }
.tag-vip { color: #8a5a10; background: #f7efdc; }
.theme-desc { font-size: 13px; color: var(--muted); margin-top: 5px; }

/* ---------- 定价 ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 28px;
  display: flex; flex-direction: column;
}
.price-card.featured {
  border: 2px solid var(--seal);
  position: relative;
}
.price-flag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--seal); color: #fff;
  font-size: 12px; letter-spacing: 0.1em;
  padding: 3px 14px; border-radius: 999px; white-space: nowrap;
}
.price-name { font-family: var(--serif); font-size: 21px; font-weight: 700; color: var(--ink); }
.price-scene { font-size: 13px; color: var(--muted); margin-top: 4px; }
.price-num { margin: 22px 0 4px; color: var(--ink); font-variant-numeric: tabular-nums; }
.price-num b { font-size: 42px; font-weight: 700; }
.price-num span { font-size: 14px; color: var(--muted); margin-left: 6px; }
.price-list { list-style: none; margin: 20px 0 26px; flex: 1; }
.price-list li { font-size: 14.5px; padding: 5px 0; color: var(--body); }
.price-list li::before { content: '✓'; color: var(--seal); font-weight: 700; margin-right: 10px; }
.price-note {
  margin-top: 30px; text-align: center; font-size: 14px; color: var(--muted);
}
.price-note strong { color: var(--ink); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq summary {
  cursor: pointer;
  font-size: 17px; font-weight: 600; color: var(--ink);
  list-style: none;
  display: flex; align-items: center; gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: '问';
  font-family: var(--serif);
  flex: none;
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--seal); color: var(--seal);
  border-radius: 6px; font-size: 13px; font-weight: 700;
}
.faq details p { padding: 14px 0 0 40px; font-size: 15px; color: var(--body); }

/* ---------- 页脚 ---------- */
.site-foot {
  border-top: 1px solid var(--line);
  padding: 44px 0 54px;
  font-size: 14px; color: var(--muted);
}
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; }
.site-foot .foot-logo { font-family: var(--serif); color: var(--ink); font-weight: 700; font-size: 16px; }
.site-foot a:hover { color: var(--seal); }
.site-foot .foot-links { display: flex; gap: 22px; margin-left: auto; }

/* ---------- 安装 ---------- */
.install-dl { text-align: center; margin: 6px 0 46px; }
.btn-big { padding: 16px 46px; font-size: 17px; letter-spacing: 0.02em; }
.dl-note { display: block; margin-top: 12px; font-size: 13.5px; color: var(--muted); }
.steps-4 { grid-template-columns: repeat(4, 1fr); }
.step code {
  background: #f1ede3; border: 1px solid var(--line);
  padding: 1px 6px; border-radius: 5px; font-size: 13px;
}
.install-notes {
  margin-top: 34px; border-top: 1px dashed var(--line); padding-top: 24px;
  display: grid; gap: 10px;
}
.install-notes p { font-size: 14px; color: var(--muted); }
.install-notes strong { color: var(--ink); }

/* ---------- 内页(隐私 / 条款) ---------- */
.prose { max-width: 720px; margin: 0 auto; padding: 72px 24px 96px; }
.prose h1 {
  font-family: var(--serif); font-size: 34px; color: var(--ink);
  margin-bottom: 8px;
}
.prose .prose-meta { font-size: 13.5px; color: var(--muted); margin-bottom: 40px; }
.prose h2 {
  font-family: var(--serif); font-size: 21px; color: var(--ink);
  margin: 38px 0 12px;
}
.prose p, .prose li { font-size: 15.5px; }
.prose ul { padding-left: 1.4em; margin: 8px 0; }
.prose li { margin: 5px 0; }
.prose .back-link { display: inline-block; margin-bottom: 28px; font-size: 14px; color: var(--seal); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .steps, .themes-grid, .pricing { grid-template-columns: repeat(2, 1fr); }
  .hero-vertical { display: none; }
}
@media (max-width: 620px) {
  .steps, .themes-grid, .pricing { grid-template-columns: 1fr; }
  .site-nav { gap: 16px; font-size: 14px; }
  .site-head .wrap { gap: 16px; }
  section { padding: 56px 0; }
  .hero { padding: 60px 0 52px; }
  .site-foot .foot-links { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .theme-card, .btn { transition: none; }
}