:root {
  /* 与 Tapaste 官网同一套浅色：米白底、墨绿字、橄榄绿按钮，柠檬绿只用于小标签 */
  --bg: #F4F0E4;
  --bg-2: #FBF8EF;
  --panel: #FBF8EF;
  --line: rgba(30, 39, 21, .1);
  --text: #2A3520;
  --muted: #6A6C55;
  --faint: #8A8875;
  --accent: #4E6114;
  --accent-ink: #F7F4EA;
  --btn: #3E5A2C;
  --btn-hover: #4C6B37;
  --lime: #D6EB78;
  --lime-ink: #131209;
  --shadow: 0 2px 4px rgba(60, 58, 30, .07), 0 24px 48px -16px rgba(60, 58, 30, .25);
  --radius: 16px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -.01em; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--wrap); margin: 0 auto; padding: 14px 24px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(244, 240, 228, .82);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; }
.brand img { border-radius: 7px; }
.nav nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav nav a { color: var(--muted); text-decoration: none; }
.nav nav a:hover { color: var(--text); }
.lang {
  font: inherit; font-size: 13px; color: var(--text); cursor: pointer;
  color-scheme: light;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 12px; font-weight: 600; text-decoration: none;
  border: 1px solid var(--line); background: var(--panel); transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); background: #EDE8D9; }
.btn.primary { background: var(--btn); color: var(--accent-ink); border-color: transparent; box-shadow: 0 1px 2px rgba(60, 58, 30, .12); }
.btn.primary:hover { background: var(--btn-hover); }

/* Screenshot frames: crop the empty part of each popup capture */
.frame {
  overflow: hidden; border-radius: 18px; border: 1px solid var(--line);
  box-shadow: var(--shadow); background: #FFFEFA; flex: none;
}
.crop-short { width: 360px; height: auto; }
.crop-bili { width: 360px; height: auto; }
.crop-bili img { width: 100%; }
.crop-method { width: 360px; height: auto; }
.frame img { width: 100%; height: auto; }

/* Hero */
.hero {
  max-width: var(--wrap); margin: 0 auto; padding: 72px 24px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 48px;
}
.hero-text { max-width: 560px; }
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: .08em; margin: 0 0 16px; font-size: 14px; }
.hero h1 { font-size: clamp(36px, 5.4vw, 60px); }
.lead { color: var(--muted); font-size: 19px; margin: 22px 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.meta { color: var(--faint); font-size: 14px; margin-top: 18px; }
.hero-shot .frame { transform: scale(1.15); transform-origin: right center; }
.hero-shot .small { margin-top: 44px; }

/* Supported sites strip */
.sites {
  max-width: var(--wrap); margin: 24px auto 0; padding: 18px 24px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; color: var(--muted); font-size: 15px;
}
.sites b { color: var(--text); font-weight: 600; padding: 4px 12px; border-radius: 99px; background: var(--panel); border: 1px solid var(--line); }

/* Features */
.features { max-width: var(--wrap); margin: 0 auto; padding: 56px 24px; display: grid; gap: 96px; }
.feature { display: flex; align-items: center; justify-content: space-between; gap: 64px; }
.feature.flip { flex-direction: row-reverse; }
.feature-text { max-width: 500px; }
.feature h2 { font-size: 32px; margin-bottom: 14px; }
.feature h2 + p + h2 { margin-top: 36px; }
.feature p { color: var(--muted); font-size: 17px; margin: 0; }
.feature p + p { margin-top: 14px; }
.feature ul { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.feature li { padding-left: 28px; position: relative; }
.feature li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* Promise */
.promise {
  max-width: var(--wrap); margin: 0 auto; padding: 40px 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.promise > div { padding: 26px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.promise h3 { font-size: 19px; margin-bottom: 8px; }
.promise p { color: var(--muted); margin: 0; font-size: 15px; }

/* Editions */
.editions, .faq { max-width: var(--wrap); margin: 0 auto; padding: 72px 24px 24px; }
.editions h2, .faq h2 { font-size: 34px; text-align: center; margin-bottom: 36px; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 800px; margin: 0 auto; }
.card {
  display: flex; flex-direction: column; padding: 28px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
}
.card:first-child { border-color: var(--btn); }
.card h3 { font-size: 21px; }
.tag { align-self: flex-start; color: var(--lime-ink); background: var(--lime); font-size: 13px; font-weight: 600; padding: 2px 10px; border-radius: 8px; margin: 8px 0 18px; }
.card ul { margin: 0 0 26px; padding-left: 20px; color: var(--muted); display: grid; gap: 6px; flex: 1; align-content: start; }
.small { color: var(--faint); font-size: 13px; margin: 10px 0 0; text-align: center; }

/* FAQ */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--faint); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p, .faq details ol { color: var(--muted); margin: 12px 0 0; }

/* More apps */
.more { max-width: 760px; margin: 0 auto; padding: 72px 24px 0; }
.more h2 { font-size: 34px; text-align: center; margin-bottom: 28px; }
.more-card { display: flex; align-items: center; gap: 16px; padding: 18px 22px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); color: var(--text); text-decoration: none; transition: border-color .2s, background .2s; }
.more-card:hover { border-color: rgba(62, 90, 44, .45); background: #FFFEFA; }
.more-card img { border-radius: 11px; flex: none; }
.more-text { display: grid; gap: 2px; flex: 1; min-width: 0; }
.more-text strong { font-size: 17px; }
.more-text span { color: var(--muted); font-size: 15px; }
.more-go { color: var(--faint); font-size: 20px; transition: transform .2s, color .2s; }
.more-card:hover .more-go { color: var(--accent); transform: translateX(3px); }

/* Footer */
.foot { max-width: var(--wrap); margin: 72px auto 0; padding: 32px 24px 48px; border-top: 1px solid var(--line); }
.foot-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.foot-brand img { border-radius: 5px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 16px 0; }
.foot nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.foot nav a:hover { color: var(--text); }
.foot .small { text-align: left; max-width: 640px; }
.foot .downloads { color: var(--text); font-weight: 600; margin-bottom: 6px; }

/* Narrow screens */
@media (max-width: 900px) {
  .hero, .feature, .feature.flip { flex-direction: column; align-items: flex-start; }
  .hero { padding-top: 40px; }
  .hero-shot { align-self: center; }
  .hero-shot .frame { transform: none; }
  .hero-shot .small { margin-top: 12px; }
  .feature .frame { align-self: center; }
  .promise, .cards { grid-template-columns: 1fr; }
  .nav nav a:not([href^="http"]) { display: none; }
}
@media (max-width: 480px) {
  .nav, .hero, .sites, .features, .promise, .editions, .faq, .foot { padding-left: 16px; padding-right: 16px; }
  .frame { width: 100%; max-width: 340px; }
  .crop-bili img { width: 100%; }
  .cta .btn { flex: 1 1 100%; }
  .feature h2 { font-size: 26px; }
}