/* mobile horizontal-scroll fix */
html, body { overflow-x: clip; max-width: 100%; }

:root {
  --bg: #FAF6EC;
  --bg-card: #FFFCF6;
  --bg-section: #F4ECDB;
  --bg-deep: #EFE3C8;
  --ink: #2A241B;
  --ink-soft: #4A453E;
  --ink-muted: #897F6C;
  --line: #D9CDB2;
  --line-soft: #E8E0CA;
  --gold: #B8924A;
  --gold-deep: #8C6A2D;
  --indigo: #3B3252;
  --shadow: 0 1px 3px rgba(110,80,30,0.06), 0 8px 24px rgba(110,80,30,0.04);
  --font-zh-serif: 'Noto Serif SC', serif;
  --font-zh-sans: 'Noto Sans SC', sans-serif;
  --font-en-serif: 'Cormorant Garamond', serif;
  --font-decor: 'ZCOOL XiaoWei', 'Noto Serif SC', serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-zh-sans);
  font-weight: 300;
  line-height: 1.85;
  color: var(--ink-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,246,236,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  width: 100%;
  padding: 0.7rem clamp(1.5rem, 4vw, 3rem);
  display: flex; justify-content: space-between; align-items: center;
}
.nav-logo { font-family: var(--font-zh-serif); font-weight: 600; color: var(--ink); }
.nav-links { list-style: none; display: flex; gap: 1.5rem; font-size: 0.92rem; color: var(--ink-muted); }
.nav-links a:hover { color: var(--gold-deep); }

.sp-hero {
  padding: 5rem clamp(1.5rem, 4vw, 3rem) 2.5rem;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 80%);
  text-align: center;
  border-bottom: 1px solid var(--line-soft);
}
.sp-hero-eyebrow {
  font-family: var(--font-en-serif);
  font-style: italic;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.sp-hero-title {
  font-family: var(--font-decor);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  color: var(--ink);
  line-height: 1.05;
}
.sp-hero-en {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 1.3rem;
  margin-top: 0.3rem;
}
.sp-hero-rule {
  width: 60px; height: 1px;
  background: var(--gold);
  margin: 1.4rem auto;
}
.sp-hero-intro {
  max-width: 720px;
  margin: 0 auto;
  font-family: var(--font-zh-serif);
  color: var(--ink-soft);
  line-height: 1.95;
  font-size: 0.96rem;
}

.sp-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 4vw, 3rem) 4rem;
}
.sp-section { margin-bottom: 3.5rem; }
.sp-section-title {
  font-family: var(--font-zh-serif);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--ink);
  display: flex; align-items: baseline; gap: 0.7rem;
  margin-bottom: 0.4rem;
}
.sp-section-en {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.sp-section-intro {
  margin-bottom: 1.4rem;
  font-family: var(--font-zh-serif);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* track blocks */
.sp-track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}
.sp-track {
  padding: 1.7rem 1.8rem;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
}
.sp-track-deep {
  background: var(--bg-section);
  border-left: 3px solid var(--gold);
}
.sp-track-name {
  font-family: var(--font-zh-serif);
  font-weight: 600;
  color: var(--ink);
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}
.sp-track-sub {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--gold-deep);
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
  letter-spacing: 0.02em;
}
.sp-track-desc {
  font-family: var(--font-zh-serif);
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.85;
  margin-bottom: 1rem;
}
.sp-track-pay {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.6rem;
  margin-top: auto;
}
.sp-qr-wrap {
  margin-top: auto;
  padding: 1rem;
  background: var(--bg);
  border-radius: 6px;
  text-align: center;
}
.sp-qr {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  margin: 0 auto;
  border-radius: 4px;
}
.sp-qr-caption {
  margin-top: 0.7rem;
  font-family: var(--font-zh-serif);
  font-size: 0.82rem;
  color: var(--ink-muted);
  font-style: italic;
}
.sp-track-cta {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--gold-deep);
  font-size: 0.9rem;
  margin-top: auto;
  letter-spacing: 0.05em;
}

/* small payment cards (used inside track blocks) */
.sp-pay-card {
  padding: 0.8rem 0.9rem;
  background: var(--bg);
  border: 1px dashed var(--line);
  border-radius: 4px;
  text-align: center;
}
.sp-pay-card h4 {
  font-family: var(--font-zh-serif);
  font-size: 0.9rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
  font-weight: 500;
}
.sp-pay-placeholder {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

/* ad block */
.sp-ad-info {
  padding: 1.5rem 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
}
.sp-ad-h {
  font-family: var(--font-zh-serif);
  font-weight: 600;
  color: var(--ink);
  font-size: 1.05rem;
  margin: 0.6rem 0 0.5rem;
}
.sp-ad-h:first-child { margin-top: 0; }
.sp-ad-list {
  list-style: none;
  padding: 0;
  font-family: var(--font-zh-serif);
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}
.sp-ad-list li {
  padding: 0.3rem 0 0.3rem 1.1rem;
  position: relative;
  line-height: 1.85;
}
.sp-ad-list li::before {
  content: "✦";
  position: absolute; left: 0;
  color: var(--gold);
}
.sp-ad-text {
  font-family: var(--font-zh-serif);
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* thanks */
.sp-thanks {
  padding: 2.5rem 1.6rem;
  background: var(--bg-section);
  border-radius: 6px;
  text-align: center;
}
.sp-thanks-empty {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 1.1rem;
}

/* contact */
.sp-contact {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.6rem;
}
.sp-contact li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
}
.sp-contact-key {
  font-family: var(--font-en-serif);
  font-style: italic;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  font-size: 0.78rem;
  text-transform: uppercase;
  min-width: 70px;
}
.sp-contact-val {
  font-family: var(--font-zh-serif);
  color: var(--ink);
  font-size: 0.95rem;
}
.sp-contact-val a {
  color: var(--gold-deep);
  border-bottom: 1px solid var(--line);
  transition: border-color 0.15s;
}
.sp-contact-val a:hover { border-bottom-color: var(--gold-deep); }

.footer {
  border-top: 1px solid var(--line-soft);
  padding: 2rem clamp(1.5rem, 4vw, 3rem);
  background: var(--bg-section);
  color: var(--ink-muted);
  font-size: 0.85rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer a { color: var(--gold-deep); }