/* 患者教育站：大字、短段落、色块分区、一次只看一件事 */
:root {
  --ink: #2B1B30; --muted: #6B5E70; --bg: #FFFBF2; --card: #fff; --line: #EADFCB;
  --purple: #7B5CD6; --orange: #F07C2B; --blue: #2F6FDB; --green: #1E9E6A;
  --yellow: #D99A00; --pink: #E0457B; --red: #D8392B; --indigo: #4B4FB8; --teal: #138A86;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 18px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
a { color: var(--blue); }
main, footer { max-width: 720px; margin: 0 auto; padding: 0 18px; }
h1, h2, h3 { line-height: 1.35; margin: 0; }
p { margin: .5em 0; }
strong { background: linear-gradient(transparent 60%, #FFE27A 60%); font-weight: 700; }
.muted { color: var(--muted); font-size: 15px; }

#progress { position: fixed; top: 0; left: 0; height: 5px; width: 0; background: linear-gradient(90deg, var(--orange), var(--pink), var(--purple)); z-index: 20; }

/* 头图 */
.hero { max-width: 760px; margin: 0 auto; padding: 28px 18px 8px; display: flex; align-items: center; gap: 12px; }
.hero-text { flex: 1.2; }
.hero-art { flex: 1; min-width: 0; }
.hero-art svg { width: 100%; height: auto; display: block; }
.kicker { display: inline-block; margin: 0 0 8px; padding: 2px 12px; border-radius: 99px; background: var(--ink); color: #fff; font-size: 14px; font-weight: 600; }
.hero h1 { font-size: 34px; font-weight: 900; letter-spacing: .5px; }
.sub { font-size: 20px; color: var(--muted); margin-top: 6px; }
@media (max-width: 560px) {
  .hero { flex-direction: column-reverse; align-items: stretch; padding-top: 18px; }
  .hero-art { max-width: 280px; margin: 0 auto; }
  .hero h1 { font-size: 28px; }
}

/* 开头说明 */
.intro { background: var(--card); border: 3px solid var(--ink); border-radius: 18px; padding: 16px 20px; margin: 16px 0; box-shadow: 5px 5px 0 var(--ink); }
.intro blockquote { margin: 12px 0 0; padding: 10px 14px; background: #F4EEFF; border-radius: 12px; font-size: 16px; }
.intro blockquote p { margin: 0; }

/* 目录胶囊 */
.chips { margin: 28px 0 8px; display: flex; flex-wrap: wrap; gap: 10px; }
.chips-title { width: 100%; margin: 0 0 2px; font-weight: 700; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 99px; text-decoration: none; font-weight: 700; font-size: 16px; color: #fff; background: var(--c); }
.chip svg { width: 18px; height: 18px; }

/* 分区颜色 */
.c-purple { --c: var(--purple); --soft: #F1ECFF; }
.c-orange { --c: var(--orange); --soft: #FFF0E4; }
.c-blue { --c: var(--blue); --soft: #E9F0FF; }
.c-green { --c: var(--green); --soft: #E5F7EF; }
.c-yellow { --c: var(--yellow); --soft: #FFF6D6; }
.c-pink { --c: var(--pink); --soft: #FFE9F0; }
.c-red { --c: var(--red); --soft: #FFE8E5; }
.c-indigo { --c: var(--indigo); --soft: #ECECFF; }
.c-teal { --c: var(--teal); --soft: #E1F5F4; }

.sec { margin: 44px 0 0; scroll-margin-top: 16px; }
.sec h2 { display: flex; align-items: center; gap: 12px; font-size: 25px; font-weight: 900; }
.ico { flex: none; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--c); color: #fff; transform: rotate(-4deg); }
.ico svg { width: 28px; height: 28px; }
.lead { margin: 12px 0 0; padding-left: 14px; border-left: 5px solid var(--c); color: var(--ink); }
.tips { display: grid; gap: 12px; margin-top: 16px; }

/* 技巧卡片 */
.tip { background: var(--card); border: 2px solid var(--line); border-left: 8px solid var(--c); border-radius: 14px; padding: 14px 16px 12px; scroll-margin-top: 16px; }
.tip-head { display: flex; align-items: flex-start; gap: 10px; }
.tip h3 { flex: 1; font-size: 19px; font-weight: 800; }
.tip-sum p { margin: 4px 0 0; color: #3F3344; }
.star { flex: none; border: 0; background: var(--soft); color: var(--c); width: 38px; height: 38px; border-radius: 50%; font-size: 22px; line-height: 1; cursor: pointer; }
.star.on { background: var(--c); color: #fff; }
details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }
.tip details summary { display: inline-block; margin-top: 8px; padding: 3px 12px; border-radius: 99px; background: var(--soft); color: var(--c); font-size: 15px; font-weight: 700; }
.tip details summary::after { content: " ▾"; }
.tip details[open] summary::after { content: " ▴"; }
.tip details[open] summary { background: var(--c); color: #fff; }
.detail { margin-top: 10px; padding: 12px 14px; background: var(--soft); border-radius: 10px; font-size: 17px; }
.detail ul { padding-left: 1.2em; margin: .4em 0; }
.src { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
.cite { display: inline-block; min-width: 20px; padding: 0 5px; margin: 0 1px; border-radius: 6px; background: #EFE7DA; color: var(--muted); font-size: 12px; font-weight: 700; line-height: 20px; text-align: center; text-decoration: none; vertical-align: 2px; }

/* 就医提醒 */
.warning { margin: 48px 0 0; padding: 18px 20px; border-radius: 18px; background: #FFE8E5; border: 3px solid var(--red); scroll-margin-top: 16px; }
.warning h2 { display: flex; align-items: center; gap: 10px; color: var(--red); font-size: 24px; font-weight: 900; }
.warning h2 svg { width: 30px; height: 30px; }
.warning ul { padding-left: 1.2em; }
.warning li { margin: 6px 0; }

.quote { margin: 40px 0 0; padding: 20px 22px; border-radius: 18px; background: var(--ink); color: #fff; font-size: 19px; }
.quote p { margin: 0; }
.quote .cite { background: #4A3A50; color: #ddd; }

/* 出处 */
.refs { margin: 48px 0 0; }
.refs h2 { font-size: 24px; font-weight: 900; }
.ref { background: var(--card); border: 2px solid var(--line); border-radius: 12px; margin: 10px 0; padding: 10px 14px; font-size: 16px; scroll-margin-top: 16px; }
.ref summary b { display: inline-block; width: 24px; height: 24px; margin-right: 4px; border-radius: 6px; background: var(--ink); color: #fff; text-align: center; line-height: 24px; font-size: 14px; }
.ref summary i { font-style: normal; font-size: 13px; color: var(--muted); }
.ref:target { border-color: var(--orange); }
.ref p { word-break: break-all; }
.out { font-weight: 700; }

footer { margin: 40px auto 110px; padding-top: 16px; border-top: 2px dashed var(--line); color: var(--muted); font-size: 14px; }

/* 我的清单 */
#mylist { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 30; width: min(92vw, 420px); }
#mylist-btn { display: block; margin: 0 auto; border: 3px solid var(--ink); border-radius: 99px; background: #FFD84D; color: var(--ink); font: inherit; font-weight: 800; padding: 8px 20px; box-shadow: 3px 3px 0 var(--ink); cursor: pointer; }
#mylist-n { display: inline-block; min-width: 26px; border-radius: 99px; background: var(--ink); color: #fff; }
#mylist-panel { margin-bottom: 10px; max-height: 55vh; overflow: auto; background: #fff; border: 3px solid var(--ink); border-radius: 16px; padding: 14px 18px; box-shadow: 4px 4px 0 var(--ink); }
#mylist-panel h3 { font-size: 18px; }
#mylist-items { padding-left: 1.3em; margin: 8px 0; }
#mylist-items a { color: var(--ink); }
#top { position: fixed; right: 14px; bottom: 76px; width: 44px; height: 44px; border-radius: 50%; border: 3px solid var(--ink); background: #fff; font-size: 20px; font-weight: 900; cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 25; }
#top.show { opacity: 1; pointer-events: auto; }

/* 首页卡片 */
.cards { display: grid; gap: 14px; margin: 24px 0; }
.card { display: block; padding: 18px 20px; background: #fff; border: 3px solid var(--ink); border-radius: 16px; box-shadow: 5px 5px 0 var(--ink); color: var(--ink); text-decoration: none; }
.card b { display: block; font-size: 22px; }
.card span { color: var(--muted); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* 出处截图 */
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0 4px; }
.shots a { display: block; border: 2px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; aspect-ratio: 3 / 4; }
.shots img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }