/* ============================================================
 * 婚礼共享相册 · 介绍落地页样式（奶油白 × 香槟金）
 * 依赖 style.css 中的 :root 变量
 * ============================================================ */
body.lp { background: radial-gradient(1200px 520px at 50% -220px, #f7ead6 0%, transparent 62%), var(--bg); }
.lp .serif { font-family: "Noto Serif SC", "Songti SC", "SimSun", serif; }
.lp .pc-only { display: inline; }

/* ---------- 顶栏 ---------- */
.lp-top {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 20px;
  background: rgba(251, 247, 241, .88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.lp-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: .1em; color: var(--ink); }
.lp-logo { color: var(--gold-deep); font-size: 1.1rem; }
.lp-top-cta {
  font-size: .86rem; font-weight: 600; text-decoration: none;
  color: var(--gold-deep); border: 1px solid var(--gold);
  border-radius: 999px; padding: 6px 16px; background: #fff;
}

/* ---------- 首屏 ---------- */
.lp-hero { max-width: 760px; margin: 0 auto; padding: 46px 20px 10px; text-align: center; }
.lp-florals { font-size: 1.4rem; letter-spacing: .5em; text-indent: .5em; }
.lp-eyebrow {
  margin-top: 12px; font-size: .8rem; letter-spacing: .3em; text-indent: .3em;
  color: var(--gold-deep); text-transform: uppercase;
}
.lp-hero h1 {
  font-size: 2.05rem; line-height: 1.45; letter-spacing: .04em;
  margin: 14px 0 16px; color: var(--ink); font-weight: 500;
}
.lp-lead { color: var(--ink-soft); font-size: .98rem; line-height: 1.85; }
.lp-cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 26px 0 18px; }
.lp-quick { list-style: none; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; padding: 0; }
.lp-quick li {
  font-size: .8rem; color: var(--ink-soft);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px;
}

/* ---------- 通用区块 ---------- */
.lp-sec { max-width: 960px; margin: 0 auto; padding: 40px 20px 0; }
.lp-h2 { font-size: 1.35rem; letter-spacing: .1em; text-align: center; color: var(--ink); font-weight: 500; }
.lp-sub { text-align: center; color: var(--ink-soft); font-size: .86rem; margin-top: 8px; }
.lp-fine { text-align: center; color: var(--ink-soft); font-size: .76rem; margin-top: 16px; }
.lp-promo {
  max-width: 520px; margin: 14px auto 0; text-align: center;
  font-size: .84rem; font-weight: 600; color: var(--gold-deep);
  background: linear-gradient(180deg, #fffdf8, #fdf3e2);
  border: 1px dashed var(--gold); border-radius: 999px;
  padding: 9px 18px; letter-spacing: .02em;
}

/* ---------- 对比 ---------- */
.lp-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lp-cmp { border-radius: var(--radius); padding: 22px 20px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.lp-cmp h3 { font-size: 1rem; margin-bottom: 12px; letter-spacing: .06em; }
.lp-cmp ul { list-style: none; padding: 0; display: grid; gap: 9px; }
.lp-cmp li { font-size: .88rem; color: var(--ink-soft); line-height: 1.7; padding-left: 20px; position: relative; }
.lp-cmp li::before { position: absolute; left: 0; top: 0; }
.lp-cmp-bad { background: #fdf8f5; }
.lp-cmp-bad h3 { color: var(--ink-soft); }
.lp-cmp-bad li::before { content: "—"; color: #c9b8a5; }
.lp-cmp-good { border-color: var(--gold); background: linear-gradient(180deg, #fffdf8, #fdf6ea); }
.lp-cmp-good h3 { color: var(--gold-deep); }
.lp-cmp-good li { color: var(--ink); }
.lp-cmp-good li::before { content: "✓"; color: var(--ok); font-weight: 700; }

/* ---------- 流程 ---------- */
.lp-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; }
.lp-step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 16px; box-shadow: var(--shadow); position: relative;
}
.lp-step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%; font-size: .82rem; font-weight: 700;
  background: linear-gradient(135deg, #d9b47c, var(--gold-deep)); color: #fff; margin-bottom: 10px;
}
.lp-step b { display: block; font-size: .95rem; margin-bottom: 5px; }
.lp-step p { font-size: .82rem; color: var(--ink-soft); line-height: 1.7; }

/* ---------- 功能 ---------- */
.lp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
.lp-feat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px; box-shadow: var(--shadow);
}
.lp-feat .lp-ico { font-size: 1.4rem; display: block; margin-bottom: 10px; }
.lp-feat b { display: block; font-size: .95rem; margin-bottom: 6px; }
.lp-feat p { font-size: .83rem; color: var(--ink-soft); line-height: 1.75; }

/* ---------- 案例 ---------- */
.lp-showcase { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 24px; }
.lp-shot {
  position: relative; border-radius: 15px; overflow: hidden; background: var(--gold-soft);
  border: 1px solid var(--line); aspect-ratio: 4 / 3; cursor: zoom-in;
}
.lp-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lp-shot .lp-shot-tag {
  position: absolute; left: 10px; bottom: 10px; font-size: .72rem; color: #fff;
  background: rgba(58, 48, 38, .5); border-radius: 999px; padding: 3px 11px;
}

/* ---------- 价格 ---------- */
.lp-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; align-items: start; }
.lp-plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.lp-plan.hot { border-color: var(--gold); border-width: 2px; position: relative; }
.lp-plan-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #d9b47c, var(--gold-deep)); color: #fff;
  font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  border-radius: 999px; padding: 3px 14px; white-space: nowrap;
}
.lp-plan-name { font-size: 1rem; font-weight: 700; letter-spacing: .06em; }
.lp-plan-desc { font-size: .78rem; color: var(--ink-soft); margin-top: 3px; }
.lp-plan-price { margin: 14px 0 4px; color: var(--gold-deep); }
.lp-plan-price b { font-size: 2rem; font-weight: 700; letter-spacing: -.01em; }
.lp-plan-price i { font-style: normal; font-size: 1rem; font-weight: 600; }
.lp-plan-price span { font-size: .78rem; color: var(--ink-soft); margin-left: 4px; }
.lp-plan-items { list-style: none; padding: 0; display: grid; gap: 8px; margin: 16px 0 20px; flex: 1; }
.lp-plan-items li { position: relative; padding-left: 18px; font-size: .85rem; color: var(--ink-soft); line-height: 1.7; }
.lp-plan-items li::before { content: "·"; position: absolute; left: 6px; color: var(--gold-deep); font-weight: 700; }

/* ---------- FAQ ---------- */
.lp-faq { max-width: 700px; margin: 22px auto 0; display: grid; gap: 10px; }
.lp-faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px;
}
.lp-faq summary { font-size: .92rem; font-weight: 600; cursor: pointer; list-style: none; }
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::after { content: "＋"; float: right; color: var(--gold-deep); }
.lp-faq details[open] summary::after { content: "－"; }
.lp-faq details p { font-size: .85rem; color: var(--ink-soft); line-height: 1.85; margin-top: 10px; }

/* ---------- 联系 ---------- */
.lp-contact {
  display: flex; gap: 26px; align-items: center; flex-wrap: wrap; justify-content: center;
  background: linear-gradient(180deg, #fffdf8, #fbf3e6);
  border: 1px solid var(--gold); border-radius: 22px; padding: 30px 26px; box-shadow: var(--shadow);
}
.lp-qr { text-align: center; }
.lp-qr img {
  width: 196px; height: 196px; border-radius: 14px; background: #fff;
  border: 1px solid var(--line); padding: 8px; display: block;
}
.lp-qr span { display: block; font-size: .78rem; color: var(--ink-soft); margin-top: 8px; letter-spacing: .1em; }
.lp-contact-side { flex: 1; min-width: 260px; }
.lp-contact-side h2 { font-size: 1.3rem; margin-bottom: 10px; }
.lp-contact-desc { font-size: .88rem; color: var(--ink-soft); line-height: 1.8; margin-bottom: 18px; }
.lp-wx { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.lp-wx b { font-size: .84rem; color: var(--ink-soft); }
.lp-wx code {
  font-family: var(--font-mono, ui-monospace, Menlo, Consolas, monospace);
  font-size: .95rem; font-weight: 700; color: var(--ink);
  background: #fff; border: 1px dashed var(--gold); border-radius: 10px; padding: 6px 12px;
  word-break: break-all;
}
.lp-wx-tip { font-size: .78rem; color: var(--ink-soft); margin-bottom: 18px; }
.lp-wx-hint {
  font-size: .8rem; color: var(--gold-deep); line-height: 1.8;
  background: rgba(243, 231, 211, .6); border-radius: 10px;
  padding: 9px 12px; margin-bottom: 16px;
}

/* ---------- 页脚 ---------- */
.lp-foot { max-width: 760px; margin: 52px auto 0; padding: 0 20px 90px; text-align: center; }
.lp-foot-line { font-size: .9rem; color: var(--ink); margin-bottom: 10px; letter-spacing: .04em; }
.lp-foot p { font-size: .74rem; color: var(--ink-soft); line-height: 1.9; }
.lp-foot-links { margin-top: 14px; }
.lp-foot-links a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px dotted var(--line); }

/* ---------- 移动端底部条 ---------- */
.lp-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  display: none; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 253, 249, .96); border-top: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.lp-bar span { font-size: .82rem; color: var(--ink-soft); }

/* ---------- 滚动出现 ---------- */
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .lp .pc-only { display: none; }
  .lp-hero { padding: 32px 16px 6px; }
  .lp-hero h1 { font-size: 1.5rem; }
  .lp-eyebrow { font-size: .7rem; letter-spacing: .22em; }
  .lp-compare { grid-template-columns: 1fr; }
  .lp-steps { grid-template-columns: repeat(2, 1fr); }
  .lp-grid { grid-template-columns: 1fr 1fr; }
  .lp-plans { grid-template-columns: 1fr; }
  .lp-plan.hot { margin-top: 8px; }
  .lp-showcase { grid-template-columns: 1fr 1fr; }
  .lp-contact { padding: 24px 18px; gap: 20px; }
  .lp-sec { padding: 32px 14px 0; }
  .lp-bar { display: flex; }
  .lp-foot { padding-bottom: 100px; }
}