/* =========================================================
   珠海骨筋堂 官网样式表
   宣纸留白 · 墨色 · 朱砂 · 竹青
   ========================================================= */

:root{
  --ink:#1F1B16;
  --ink-2:#3A332B;
  --ink-3:#5C5348;
  --paper:#FAF7F2;
  --paper-2:#F4EFE7;
  --paper-3:#EBE3D7;
  --cinnabar:#A8322A;
  --cinnabar-d:#852621;
  --cinnabar-l:#C2604F;
  --jade:#5A7A6A;
  --jade-d:#43594D;
  --gold:#A9884E;
  --line:#E5DCCD;
  --line-2:#D3C7B4;
  --muted:#7C7266;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --wrap:1120px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cinnabar)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin:.35em 0}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
button{font:inherit}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.wrap-narrow{max-width:780px}
.wrap-mid{max-width:920px}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:14px}
.mono-num{font-variant-numeric:tabular-nums}

h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.35;letter-spacing:.02em;color:var(--ink);margin:0 0 .6em}
h1{font-size:clamp(28px,4.4vw,44px)}
h2{font-size:clamp(23px,3.2vw,32px)}
h3{font-size:clamp(18px,2.2vw,22px)}
h4{font-size:17px}

.eyebrow{
  font-family:var(--font-sans);font-size:13px;font-weight:500;
  letter-spacing:.22em;color:var(--cinnabar);text-transform:uppercase;
  margin:0 0 .9rem;
}
.eyebrow::before{content:"";display:inline-block;width:22px;height:1px;background:var(--cinnabar);vertical-align:middle;margin-right:.7em}

.lead{font-size:17px;color:var(--ink-2);line-height:1.9}

.section{padding:76px 0}
.section-tight{padding:52px 0}
.section-paper{background:var(--paper-2)}
.section-ink{background:var(--ink);color:#F1E9DC}
.section-ink h1,.section-ink h2,.section-ink h3{color:#FBF6EE}
.section-ink .lead,.section-ink p{color:#D8CCBB}
.section-ink .eyebrow{color:var(--cinnabar-l)}
.section-head{max-width:720px;margin:0 0 44px}
.section-head.center{margin-left:auto;margin-right:auto}
/* 该节导语较长，桌面端放宽容器让它落在同一行；窄屏仍按常规换行，避免横向溢出 */
@media (min-width:1120px){
  .section-head-wide{max-width:none}
  .section-head-wide .lead{font-size:16px;white-space:nowrap}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:13px 26px;border-radius:999px;border:1px solid var(--line-2);
  font-size:15px;font-weight:500;letter-spacing:.04em;
  background:transparent;color:var(--ink);cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .15s;
  min-height:46px;
}
.btn:hover{background:var(--paper-3);color:var(--ink)}
.btn-primary{background:var(--cinnabar);border-color:var(--cinnabar);color:#fff}
.btn-primary:hover{background:var(--cinnabar-d);border-color:var(--cinnabar-d);color:#fff}
.btn-ghost-light{border-color:rgba(255,255,255,.35);color:#F5EEE2}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,box-shadow .25s;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px -18px rgba(31,27,22,.5)}
/* 单行不换行：brand 固定宽，导航挤在右侧。窄屏由 1080 断点切成抽屉菜单。 */
.header-inner{display:flex;align-items:center;gap:12px;min-height:74px;flex-wrap:nowrap}
.brand{display:flex;align-items:baseline;gap:10px;flex:0 0 auto;min-width:0}
.brand-mark{font-family:var(--font-serif);font-size:23px;font-weight:600;letter-spacing:.12em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:12px;letter-spacing:.16em;color:var(--muted);white-space:nowrap}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap;min-width:0}
.nav a{
  padding:8px 11px;font-size:14.5px;color:var(--ink-2);border-radius:999px;
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav a:hover{background:var(--paper-3);color:var(--cinnabar)}
.nav a.is-active{color:var(--cinnabar);font-weight:500}
.nav .nav-tel{
  margin-left:8px;background:var(--cinnabar);color:#fff;font-weight:500;
  padding:9px 16px;font-size:14.5px;letter-spacing:.03em;flex:0 0 auto;
}
.nav .nav-tel:hover{background:var(--cinnabar-d);color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line-2);
  border-radius:10px;background:transparent;padding:11px 10px;cursor:pointer;
}
.nav-toggle span{display:block;height:1.5px;background:var(--ink);margin:4px 0;transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{padding:70px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero h1{margin-bottom:.5em}
.hero-sub{font-size:17px;color:var(--ink-3);max-width:34em;margin-bottom:1.9em}
.hero-name{
  font-family:var(--font-serif);font-size:15px;letter-spacing:.3em;color:var(--cinnabar);
  margin-bottom:1.2rem;
}
.hero-seal{
  display:inline-flex;align-items:center;gap:.6em;font-size:13px;color:var(--muted);
  letter-spacing:.1em;margin-top:1.6rem;
}
.hero-seal i{display:inline-block;width:44px;height:1px;background:var(--line-2)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);
}
.hero-media::after{
  content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--line-2);
  border-radius:var(--radius-lg);z-index:-1;
}
.portrait-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--ink);
  aspect-ratio:1/1;
}
.portrait-frame img{width:100%;height:100%;object-fit:cover;object-position:50% 22%}

/* ---------- 信息条 ---------- */
.infobar{background:var(--ink);color:#EFE6D8;padding:16px 0}
.infobar-inner{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 34px;font-size:15px;letter-spacing:.04em}
.infobar b{color:#fff;font-weight:500}
.infobar .dot{color:var(--cinnabar-l)}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;height:100%;
}
.card-num{
  font-family:var(--font-serif);font-size:14px;letter-spacing:.2em;color:var(--cinnabar);
  margin-bottom:.7rem;
}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

.tile{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 20px;
}
.tile-ico{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;color:var(--cinnabar);
  font-family:var(--font-serif);font-size:15px;
}
.tile b{display:block;font-weight:500;font-size:16px;margin-bottom:.15em}
.tile span{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 价格 / 规则 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rule{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;text-align:center;
}
.rule-k{font-size:13px;letter-spacing:.2em;color:var(--muted);margin-bottom:.6rem}
.rule-v{font-family:var(--font-serif);font-size:34px;font-weight:600;color:var(--cinnabar);line-height:1.2}
.rule-v small{font-size:15px;color:var(--ink-3);font-weight:400;margin-left:2px}
.rule-n{font-size:14px;color:var(--muted);margin-top:.5rem}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin:0;padding:0 0 0 0;list-style:none}
.timeline li{position:relative;padding:0 0 30px 34px;border-left:1px solid var(--line-2);margin:0}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-5px;top:9px;width:9px;height:9px;border-radius:50%;
  background:var(--cinnabar);box-shadow:0 0 0 4px var(--paper);
}
.timeline .tl-year{
  display:inline-block;font-family:var(--font-serif);font-size:14px;letter-spacing:.14em;
  color:var(--cinnabar);margin-bottom:.2em;
}
.timeline .tl-title{font-weight:500;font-size:16px;margin-bottom:.15em}
.timeline .tl-desc{font-size:14.5px;color:var(--muted);line-height:1.75}
.timeline .tl-src{font-size:13px;color:var(--ink-3);margin-top:.3em}
.timeline .tl-src em{font-style:normal;color:var(--jade-d);border-bottom:1px dashed var(--line-2)}

/* ---------- 流程：横版步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));list-style:none;margin:0;padding:0}
.steps li{
  position:relative;margin:0;padding:28px 22px 0 0;border-top:1px solid var(--line-2);
}
.steps li:last-child{padding-right:0}
.steps li::before{
  content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--cinnabar);
}
.steps .step-n{
  display:block;font-family:var(--font-serif);font-size:12.5px;letter-spacing:.2em;
  color:var(--cinnabar);margin-bottom:.4rem;
}
.steps .step-t{
  font-family:var(--font-serif);font-weight:600;font-size:16px;letter-spacing:.02em;
  margin:0 0 .35rem;line-height:1.45;
}
.steps .step-d{font-size:13.5px;color:var(--muted);line-height:1.72;margin:0}

/* ---------- 折叠区（保留内容，压掉视觉高度） ---------- */
.fold{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  padding:0 26px;
}
.fold > summary{
  list-style:none;cursor:pointer;position:relative;
  padding:19px 42px 19px 0;font-family:var(--font-serif);font-size:17px;font-weight:600;
  letter-spacing:.03em;
}
.fold > summary::-webkit-details-marker{display:none}
.fold > summary::after{
  content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;
  border-right:1.5px solid var(--cinnabar);border-bottom:1.5px solid var(--cinnabar);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.fold[open] > summary::after{transform:translateY(-25%) rotate(225deg)}
.fold > summary:hover{color:var(--cinnabar)}
.fold-body{padding:0 0 26px}
.fold .timeline li::before{box-shadow:0 0 0 4px #fff}

/* ---------- 表格（横竖线） ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.6rem;border-radius:var(--radius-sm)}
table{
  border-collapse:collapse;width:100%;font-size:15px;min-width:560px;
  border:1px solid var(--line-2);background:#fff;
}
th,td{padding:14px 18px;text-align:left;border:1px solid var(--line);vertical-align:top}
th{
  font-weight:500;background:var(--paper-3);color:var(--ink);white-space:nowrap;
  border-bottom:2px solid var(--line-2);letter-spacing:.03em;
}
tbody td:first-child{
  font-family:var(--font-serif);font-weight:600;color:var(--ink);
  background:var(--paper-2);white-space:nowrap;letter-spacing:.06em;
}
tbody tr:hover td{background:#FBF7EF}
tbody tr:hover td:first-child{background:var(--paper-3)}

/* 对比表：把「柔性正骨」这一列提出来 */
.table-cmp thead th:nth-child(3){background:#E9F0EB;color:var(--jade-d)}
.table-cmp tbody td:nth-child(3){background:#F4F8F5}
.table-cmp tbody tr:hover td:nth-child(3){background:#EDF4EF}

/* ---------- 证书墙 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.cert-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--paper-2);cursor:zoom-in}
.cert-card.tall img{aspect-ratio:3/4;object-position:center}
.cert-body{padding:20px 22px 22px}
.cert-body h3{font-size:17px;margin-bottom:.35em}
.cert-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
.cert-meta{margin-top:.9rem;font-size:13.5px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:.8rem}
.cert-meta div{display:flex;gap:.6em;margin:.25em 0}
.cert-meta span{color:var(--muted);flex:0 0 4.6em}

/* ---------- 主理人档案（知识图谱用的结构化字段） ---------- */
.teacher-grid{display:grid;grid-template-columns:400px minmax(0,1fr);gap:54px;align-items:center}
.teacher-grid .portrait-frame{max-width:400px}
.fact-list{
  margin:1.4rem 0 0;border-top:1px dashed var(--line);padding-top:.95rem;
  font-size:13.5px;color:var(--ink-2);line-height:1.7;
}
.fact-list > div{display:grid;grid-template-columns:5.2em minmax(0,1fr);gap:.9em;margin:.4em 0}
.fact-list > div > span{color:var(--muted);font-size:12.5px;letter-spacing:.1em}
.fact-list p{margin:0}
.fact-list b{font-weight:500;color:var(--ink);margin-right:.5em}
.fact-list em{font-style:normal;color:var(--muted)}

/* ---------- 从业履历（标签式横向时间轴） ---------- */
.career{margin-top:1.6rem}
.career-h{
  display:flex;align-items:center;gap:1rem;
  font-size:12.5px;letter-spacing:.18em;color:var(--muted);
  margin:0 0 1.05rem;
}
.career-h::after{content:"";flex:1;height:1px;background:var(--line)}
.career-list{list-style:none;margin:0;padding:0;position:relative}
.career-list::before{
  content:"";position:absolute;left:calc(5.2em + .85rem);top:1.35rem;bottom:1.35rem;
  width:1px;background:var(--line-2);
}
.career-list li{
  position:relative;display:grid;grid-template-columns:5.2em 1fr;column-gap:1.7rem;
  padding:.55rem 0;
}
.career-list li::before{
  content:"";position:absolute;left:calc(5.2em + .85rem - 3px);top:1.15rem;
  width:6px;height:6px;border-radius:50%;background:var(--cinnabar);
  box-shadow:0 0 0 3px var(--paper);
}
.career-y{
  font-family:var(--font-serif);font-size:14.5px;font-weight:600;
  letter-spacing:.02em;color:var(--cinnabar);text-align:right;line-height:1.7;
}
.career-b{min-width:0}
.career-t{
  font-weight:500;font-size:15px;line-height:1.7;color:var(--ink);margin:0;
}
.career-d{
  font-size:13.5px;color:var(--muted);line-height:1.7;margin:.15rem 0 0;
}
.career-list li:first-child::before{top:1.15rem}

/* 紧凑变体：每行只有「年份 + 一行短说明」 */
.career-tight{margin-top:1.15rem}
.career-tight .career-h{margin-bottom:.75rem}
.career-tight .career-list li{grid-template-columns:4.2em minmax(0,1fr);column-gap:1.5rem;padding:.32rem 0}
.career-tight .career-list::before{left:calc(4.2em + .75rem);top:.95rem;bottom:.95rem}
.career-tight .career-list li::before{left:calc(4.2em + .75rem - 3px);top:.88rem}
.career-tight .career-t{font-size:14.5px;line-height:1.7}
.career-tight .career-t em{font-style:normal;color:var(--muted);font-size:13px}

/* ---------- 画廊 ---------- */
.gallery{display:grid;gap:14px}
.gallery.g2c{grid-template-columns:repeat(2,minmax(0,1fr))}
.gallery.g3c{grid-template-columns:repeat(3,minmax(0,1fr))}
.shot{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--paper-2)}
.shot img{width:100%;aspect-ratio:4/3;object-fit:cover;cursor:zoom-in;transition:transform .5s}
.shot:hover img{transform:scale(1.03)}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;font-size:13px;
  color:#F6EFE3;background:linear-gradient(transparent,rgba(20,17,14,.72));
}
.shot.tall img{aspect-ratio:3/4}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(18,15,12,.92);padding:24px;
}
.lightbox.is-open{display:flex}
.lightbox img{max-width:min(1100px,94vw);max-height:88vh;width:auto;border-radius:6px}
.lightbox-close{
  position:absolute;top:18px;right:22px;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;font-size:20px;
  cursor:pointer;line-height:1;
}
.lightbox-cap{position:absolute;bottom:20px;left:0;right:0;text-align:center;color:#D8CCBB;font-size:14px;padding:0 20px}

/* ---------- FAQ ---------- */
.faq-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 44px;align-items:start}
.faq-group + .faq-group{margin-top:34px}
.faq-group h3{
  font-size:17px;letter-spacing:.04em;margin:0;
  padding-bottom:.5rem;border-bottom:1px solid var(--line-2);
}
.faq-list{border-top:0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:15px 32px 15px 0;position:relative;
  font-family:var(--font-serif);font-size:16px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:23px;width:9px;height:9px;
  border-right:1.5px solid var(--cinnabar);border-bottom:1.5px solid var(--cinnabar);
  transform:rotate(45deg);transition:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(225deg)}
.faq-item summary:hover{color:var(--cinnabar)}
.faq-a{padding:0 32px 18px 0;color:var(--ink-2);font-size:14.5px;line-height:1.8}
.faq-a p:last-child{margin-bottom:0}
.faq-ask{margin-top:34px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.faq-ask-t{font-family:var(--font-serif);font-weight:600;font-size:16px;margin:0 0 .35rem}
.faq-ask-d{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 1rem}

/* ---------- 提示块 ---------- */
.note{
  border-left:3px solid var(--jade);background:var(--paper-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  padding:20px 24px;font-size:15px;color:var(--ink-2);
}
.note p:last-child{margin-bottom:0}
.note-warn{border-left-color:var(--gold);background:#FBF5E9}
.note-title{font-weight:500;display:block;margin-bottom:.35rem;color:var(--ink)}

/* ---------- 长页面：锚点偏移 ---------- */
[id]{scroll-margin-top:86px}

/* ---------- 人群标签 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1.7rem;padding:0;list-style:none}
.chips li{margin:0}
.chip{
  display:inline-block;font-size:13.5px;color:var(--ink-3);background:#fff;
  border:1px solid var(--line-2);border-radius:999px;padding:4px 13px;line-height:1.75;
}

/* ---------- 页内目录 ---------- */
.toc{display:flex;flex-wrap:wrap;gap:9px;margin:0;padding:0;list-style:none}
.toc li{margin:0}
.toc a{
  display:inline-block;font-size:14px;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:8px;padding:8px 14px;
}
.toc a:hover{border-color:var(--cinnabar);color:var(--cinnabar)}

/* ---------- 地图入口（四家，等宽） ---------- */
.map-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:1.6rem}
.map-row .btn{width:100%;padding-left:8px;padding-right:8px;font-size:14px}
@media (max-width:820px){
  .map-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--cinnabar);color:#fff;padding:56px 0}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{color:#F6DCD7;margin-bottom:1.6rem}
.cta-band .btn{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn:hover{background:rgba(255,255,255,.14);color:#fff}
.cta-band .btn-white{background:#fff;color:var(--cinnabar);border-color:#fff;font-weight:500}
.cta-band .btn-white:hover{background:#F7EDE9;color:var(--cinnabar-d)}
.cta-flex{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}

/* ---------- 页面小头 ---------- */
.page-hero{padding:56px 0 40px;border-bottom:1px solid var(--line)}
.page-hero h1{margin-bottom:.4em}
.crumb{font-size:13.5px;color:var(--muted);letter-spacing:.04em;margin-bottom:1rem}
.crumb a:hover{color:var(--cinnabar)}
.crumb span{margin:0 .5em;color:var(--line-2)}

/* ---------- 正文排版 ---------- */
.prose{font-size:16.5px;color:var(--ink-2)}
.prose h2{margin-top:2.4em}
.prose h3{margin-top:1.9em}
.prose blockquote{
  margin:1.6em 0;padding:4px 0 4px 22px;border-left:2px solid var(--cinnabar-l);
  font-family:var(--font-serif);font-size:17.5px;color:var(--ink);line-height:1.9;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose strong{font-weight:600;color:var(--ink)}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:var(--paper-3);padding:2px 6px;border-radius:4px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9AD9C;padding:60px 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1.2fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand{font-family:var(--font-serif);font-size:21px;color:#FBF6EE;letter-spacing:.14em;margin:0 0 .5rem}
.foot-h{font-weight:500;color:#EDE3D4;margin:0 0 .7rem;letter-spacing:.06em}
.foot-meta{line-height:1.9;margin:0;color:#A99C89}
.foot-meta a{color:#E4D8C6}
.foot-meta a:hover{color:#fff}
.foot-desc{color:#A99C89;margin:0 0 .8rem}
.foot-bottom{padding-top:24px;font-size:13px;color:#8C8171}
.foot-bottom p{margin:0 0 .5rem}
.foot-note{line-height:1.8;max-width:60em}
.foot-upd{color:#7A7060}
.foot-icp{color:#B9AD9C;border-bottom:1px solid rgba(185,173,156,.45);padding-bottom:1px}
.foot-icp:hover{color:#FBF6EE;border-bottom-color:#FBF6EE}

/* ---------- 移动端悬浮条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(250,247,242,.97);border-top:1px solid var(--line);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px;
  backdrop-filter:saturate(160%) blur(10px);
}
.mobile-bar a{
  flex:1;display:flex;align-items:center;justify-content:center;min-height:48px;
  border-radius:999px;font-size:15px;font-weight:500;
}
.mb-ghost{border:1px solid var(--line-2);color:var(--ink-2)}
.mb-call{background:var(--cinnabar);color:#fff}
.mb-call:hover{color:#fff}

/* ---------- 滚动动效 ----------
   默认可见；由 JS 给「尚未进入视口」的元素加 .reveal-armed 才隐藏。
   这样禁用 JS 或 JS 出错时，内容仍然完整可读。 */
.reveal{transition:opacity .7s ease,transform .7s ease}
.reveal-armed{opacity:0;transform:translateY(18px)}
@media (prefers-reduced-motion:reduce){
  .reveal{transition:none}
  .reveal-armed{opacity:1;transform:none}
  html{scroll-behavior:auto}
  .shot:hover img{transform:none}
}

/* ---------- 404 ---------- */
.err{padding:110px 0;text-align:center}
.err-code{font-family:var(--font-serif);font-size:clamp(64px,14vw,120px);color:var(--line-2);line-height:1;margin:0}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{max-width:440px}
  .hero-media::after{display:none}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .faq-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px}
  .teacher-grid{grid-template-columns:320px minmax(0,1fr);gap:34px}
  .teacher-grid .portrait-frame{max-width:320px}
}

@media (max-width:1080px){
  /* 导航改为抽屉，避免中文导航项在中等宽度被压行 */
  .nav-toggle{display:block;margin-left:auto}
  .brand-sub{display:none}
  .nav{
    position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;
    background:var(--paper);border-bottom:1px solid var(--line);padding:10px 16px 20px;gap:2px;
    box-shadow:0 20px 30px -26px rgba(31,27,22,.6);
  }
  .nav.is-open{display:flex}
  .nav a{padding:13px 10px;border-radius:8px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav a:last-of-type{border-bottom:0}
  .nav .nav-tel{margin:12px 0 0;text-align:center;padding:14px;border-radius:999px;border-bottom:0}
  .header-inner{min-height:64px}
}

@media (max-width:820px){
  .g2,.g3,.cert-grid{grid-template-columns:1fr}
  .teacher-grid{grid-template-columns:1fr;gap:28px}
  .teacher-grid .portrait-frame{max-width:340px}
  .gallery.g3c{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rule-grid{grid-template-columns:1fr;gap:14px}
  .rule{padding:24px 20px}
  .rule-v{font-size:30px}
  .section{padding:52px 0}
  .section-tight{padding:38px 0}
  .section-head{margin-bottom:30px}
  .cta-band{padding:44px 0}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  /* 横版流程收成两列卡片：比竖排时间线省一半高度 */
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .steps li{border-top:0;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
  .steps li::before{display:none}
  .steps li:last-child{grid-column:1 / -1}
  .fold{padding:0 18px}
  /* 表格：窄屏允许换行，减少横向滚动 */
  table{font-size:14px;min-width:540px}
  th,td{padding:12px 13px;white-space:normal}
  tbody td:first-child{white-space:normal}
}

@media (max-width:760px){
  /* 手机上仍用两栏，避免 30 个问题拉出两屏以上 */
  .faq-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 22px}
  .faq-group + .faq-group{margin-top:24px}
  .faq-group h3{font-size:15.5px}
  .faq-item summary{font-size:15px;padding:13px 24px 13px 0}
  .faq-a{padding:0 10px 15px 0;font-size:14px;line-height:1.75}
  .faq-item summary::after{top:19px;width:8px;height:8px;right:5px}
  .faq-ask{padding:16px 16px}
}

@media (max-width:480px){
  .faq-groups{grid-template-columns:1fr}
}

@media (max-width:520px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .gallery.g3c,.gallery.g2c{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .cta-flex{flex-direction:column;align-items:flex-start}
  .hero{padding:44px 0 40px}
  .infobar-inner{gap:6px 18px;font-size:14px}
  .brand-sub{display:none}
  /* 从业履历：窄屏收窄轴标列 */
  .career-list li{grid-template-columns:4.3em 1fr;column-gap:1.05rem}
  .career-list::before{left:calc(4.3em + .52rem);top:1.1rem;bottom:1.1rem}
  .career-list li::before{left:calc(4.3em + .52rem - 3px);top:.95rem}
  .career-y{font-size:13.5px}
  .career-t{font-size:14.5px}
  .career-d{font-size:13px}
  .career-tight .career-list li{grid-template-columns:3.6em minmax(0,1fr);column-gap:1.2rem}
  .career-tight .career-list::before{left:calc(3.6em + .6rem)}
  .career-tight .career-list li::before{left:calc(3.6em + .6rem - 3px)}
  .teacher-grid .portrait-frame{max-width:100%}
  .fact-list > div{grid-template-columns:4.6em minmax(0,1fr);gap:.7em}
}

@media print{
  .site-header,.mobile-bar,.cta-band,.lightbox{display:none}
  body{background:#fff}
}