/* ═════════════════════════════════════════
   MEMBERSHIP PAGE — SNSUC 会员体系
   v=20260730h — depends on design tokens in style.css
   ═════════════════════════════════════════ */

/* ---------- Billing toggle ---------- */
.mb-billing-toggle{
  display:flex;
  justify-content:center;
  gap:0;
  margin:0 auto 2.4rem;
  width:max-content;
  max-width:100%;
  background:var(--ink-frost);
  border:1px solid var(--border-ink);
  border-radius:999px;
  padding:4px;
}
.mb-bt-btn{
  appearance:none;
  border:none;
  background:transparent;
  font-family:'Inter','Noto Serif SC',sans-serif;
  font-size:.88rem;
  font-weight:600;
  color:var(--text-muted);
  padding:.55rem 1.5rem;
  border-radius:999px;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:.45rem;
  transition:all .25s ease;
}
.mb-bt-btn.active{
  background:linear-gradient(135deg,var(--ink-main),var(--ink-bright));
  color:#fff;
  box-shadow:0 2px 10px rgba(0,144,64,.28);
}
.mb-bt-save{
  font-size:.66rem;
  font-weight:700;
  padding:2px 8px;
  border-radius:10px;
  background:var(--gold);
  color:#fff;
  letter-spacing:.5px;
  white-space:nowrap;
}
.mb-bt-btn.active .mb-bt-save{background:rgba(255,255,255,.22);}

/* ---------- Tier cards ---------- */
.mb-tier-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.3rem;
  align-items:stretch;
}
.mb-tier{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--ink-frost);
  border:1px solid var(--border-ink);
  border-radius:16px;
  padding:1.8rem 1.5rem 1.5rem;
  transition:transform .25s ease, box-shadow .25s ease;
}
.mb-tier:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 34px rgba(0,90,32,.12);
}
.mb-tier.recommended{
  background:linear-gradient(180deg,#ffffff 0%,var(--ink-mist) 100%);
  border:2px solid var(--ink-main);
  box-shadow:0 10px 30px rgba(0,144,64,.16);
}
.mb-tier-flag{
  position:absolute;
  top:-12px;
  left:50%;
  transform:translateX(-50%);
  background:linear-gradient(135deg,var(--ink-core),var(--ink-bright));
  color:#fff;
  font-family:'Inter','Noto Serif SC',sans-serif;
  font-size:.68rem;
  font-weight:700;
  letter-spacing:2px;
  padding:4px 18px;
  border-radius:12px;
  white-space:nowrap;
  box-shadow:0 3px 10px rgba(0,144,64,.3);
}
.mb-tier-head{margin-bottom:1rem;}
.mb-tier-name{
  font-family:var(--font-display),'Ma Shan Zheng',cursive;
  font-size:1.7rem;
  line-height:1.2;
  color:var(--ink-deep);
  margin:0 0 .25rem;
}
.mb-tier-tag{
  font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;
  font-size:.78rem;
  color:var(--text-muted);
  margin:0;
}
.mb-tier-price{
  display:flex;
  align-items:baseline;
  gap:.25rem;
  margin-bottom:.3rem;
}
.mb-price-num{
  font-family:var(--font-ui);
  font-size:1.9rem;
  font-weight:700;
  color:var(--ink-core);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums lining-nums;
  font-feature-settings:"tnum" 1,"lnum" 1;
  transition:opacity .2s ease;
}
.mb-price-num.switching{opacity:0;}
.mb-price-quote{
  font-family:var(--font-display),'Ma Shan Zheng',cursive;
  font-weight:400;
  font-size:1.9rem;
}
.mb-price-unit{
  font-family:'Inter',sans-serif;
  font-size:.85rem;
  color:var(--text-muted);
}
.mb-price-note{
  font-size:.72rem;
  color:var(--text-muted);
  min-height:1.1rem;
  margin:0 0 1.1rem;
}
.mb-feat-list{
  list-style:none;
  padding:0;
  margin:0 0 1.4rem;
  flex:1;
}
.mb-feat-list li{
  position:relative;
  padding-left:1.5rem;
  margin-bottom:.55rem;
  font-family:'Noto Serif SC',serif;
  font-size:.84rem;
  line-height:1.7;
  color:var(--text-body);
}
.mb-feat-list li::before{
  content:'✓';
  position:absolute;
  left:0;
  top:0;
  color:var(--ink-bright);
  font-weight:700;
  font-size:.82rem;
}

/* ---------- Buttons ---------- */
.mb-tier-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:100%;
  padding:.75rem 1.4rem;
  border-radius:999px;
  font-family:'Inter','Noto Serif SC',sans-serif;
  font-size:.86rem;
  font-weight:600;
  text-decoration:none;
  border:none;
  cursor:pointer;
  transition:all .22s ease;
}
.mb-tier-btn.solid{
  background:linear-gradient(135deg,var(--ink-main),var(--ink-bright));
  color:#fff;
  box-shadow:0 4px 14px rgba(0,144,64,.25);
}
.mb-tier-btn.solid:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(0,144,64,.32);
}
.mb-tier-btn.gold{
  background:linear-gradient(135deg,var(--gold),#dbb85e);
  color:var(--ink-deep);
  box-shadow:0 4px 14px rgba(201,160,60,.3);
}
.mb-tier-btn.gold:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(201,160,60,.4);
}
.mb-tier-btn.outline{
  background:transparent;
  border:1px solid var(--border-ink);
  color:var(--text-muted);
}
.mb-tier-btn.outline:hover{
  border-color:var(--ink-main);
  color:var(--ink-main);
}
.mb-tier-btn.green-bd{
  background:transparent;
  border:2px solid var(--ink-main);
  color:var(--ink-main);
}
.mb-tier-btn.green-bd:hover{
  background:var(--ink-main);
  color:#fff;
}
.mb-tier-btn.ghost{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
}
.mb-tier-btn.ghost:hover{background:rgba(255,255,255,.22);}

.mb-billing-note{
  text-align:center;
  font-size:.74rem;
  color:var(--text-muted);
  margin-top:1.8rem;
  line-height:1.8;
}

/* ---------- Comparison matrix ---------- */
.mb-matrix-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--border-ink);
  border-radius:14px;
  background:rgba(255,255,255,.75);
  box-shadow:0 6px 22px rgba(0,90,32,.06);
}
.mb-matrix{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:.83rem;
}
.mb-matrix th,
.mb-matrix td{
  padding:.8rem 1rem;
  text-align:center;
  border-bottom:1px solid var(--border-ink);
  color:var(--text-body);
  font-family:'Noto Serif SC',serif;
}
.mb-matrix thead th{
  background:linear-gradient(180deg,var(--ink-mist),var(--ink-frost));
  font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;
  font-size:.95rem;
  color:var(--ink-deep);
  font-weight:700;
  white-space:nowrap;
}
.mb-matrix .mb-mx-feat{
  text-align:left;
  font-weight:600;
  color:var(--text-deep);
  white-space:nowrap;
}
.mb-matrix thead .mb-mx-rec,
.mb-matrix tbody .mb-mx-rec{
  background:rgba(0,144,64,.06);
}
.mb-matrix thead .mb-mx-rec{
  color:var(--ink-core);
  position:relative;
}
.mb-mx-group td{
  background:var(--ink-frost);
  text-align:left;
  font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;
  font-weight:700;
  font-size:.86rem;
  color:var(--ink-dark);
  letter-spacing:1px;
}
.mb-matrix tbody tr:last-child td{border-bottom:none;}
.mx-yes{
  color:var(--ink-bright);
  font-weight:700;
}
.mx-no{color:rgba(90,93,102,.45);}

/* ---------- Internal link cards ---------- */
.mb-links{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.2rem;
  margin-top:2.2rem;
}
.mb-link-card{
  display:flex;
  flex-direction:column;
  gap:.3rem;
  background:var(--ink-frost);
  border:1px solid var(--border-ink);
  border-radius:14px;
  padding:1.3rem 1.4rem;
  text-decoration:none;
  transition:all .22s ease;
}
.mb-link-card:hover{
  transform:translateY(-3px);
  border-color:var(--ink-mint);
  box-shadow:0 10px 24px rgba(0,90,32,.1);
}
.mb-link-title{
  font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;
  font-size:1.02rem;
  font-weight:700;
  color:var(--ink-deep);
}
.mb-link-desc{
  font-size:.76rem;
  color:var(--text-muted);
  line-height:1.6;
}
.mb-link-cta{
  margin-top:.4rem;
  font-family:'Inter',sans-serif;
  font-size:.76rem;
  font-weight:600;
  color:var(--ink-main);
}

/* ---------- FAQ ---------- */
.mb-faq{max-width:760px;margin:0 auto;}
.mb-faq details{
  border:1px solid var(--border-ink);
  border-radius:12px;
  margin-bottom:.8rem;
  overflow:hidden;
  background:rgba(255,255,255,.75);
}
.mb-faq summary{
  padding:1rem 1.3rem;
  font-family:'Noto Serif SC',serif;
  font-size:.92rem;
  font-weight:600;
  color:var(--ink-deep);
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  background:rgba(0,144,64,.03);
}
.mb-faq summary::-webkit-details-marker{display:none;}
.mb-faq-caret{
  color:var(--ink-main);
  transition:transform .25s ease;
  flex:none;
}
.mb-faq details[open] .mb-faq-caret{transform:rotate(180deg);}
.mb-faq-a{
  padding:1rem 1.3rem;
  font-size:.85rem;
  color:var(--text-body);
  line-height:1.9;
  border-top:1px solid var(--border-ink);
}
.mb-faq-a a{color:var(--ink-main);font-weight:600;}

/* ---------- CTA banner ---------- */
.mb-cta{
  background:linear-gradient(135deg,var(--ink-deep),var(--ink-core));
  border-radius:18px;
  padding:3rem 2rem;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.mb-cta::after{
  content:'';
  position:absolute;
  right:-60px;
  top:-60px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(120,208,152,.25),transparent 70%);
  pointer-events:none;
}
.mb-cta h2{
  font-family:var(--font-display),'Ma Shan Zheng',cursive;
  font-size:1.7rem;
  color:#fff;
  margin:0 0 .6rem;
}
.mb-cta p{
  color:var(--ink-pale);
  font-size:.9rem;
  margin:0 0 1.5rem;
}
.mb-cta-btns{
  display:flex;
  gap:.9rem;
  justify-content:center;
  flex-wrap:wrap;
}

/* ---------- Trial modal ---------- */
.mb-modal-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,32,12,.55);
  backdrop-filter:blur(4px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:1.2rem;
  z-index:2000;
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
}
.mb-modal-overlay.open{
  opacity:1;
  visibility:visible;
}
.mb-modal{
  position:relative;
  width:100%;
  max-width:440px;
  max-height:90vh;
  overflow-y:auto;
  background:var(--paper,#fdfbf7);
  border:1px solid var(--border-ink);
  border-radius:18px;
  padding:2.2rem 2rem 1.8rem;
  box-shadow:0 24px 60px rgba(0,40,16,.35);
  transform:translateY(16px) scale(.97);
  transition:transform .25s ease;
}
.mb-modal-overlay.open .mb-modal{transform:translateY(0) scale(1);}
.mb-modal-close{
  position:absolute;
  top:.8rem;
  right:1rem;
  appearance:none;
  border:none;
  background:transparent;
  font-size:1.6rem;
  line-height:1;
  color:var(--text-muted);
  cursor:pointer;
  padding:.2rem;
}
.mb-modal-close:hover{color:var(--ink-main);}
.mb-modal h3{
  font-family:var(--font-display),'Ma Shan Zheng',cursive;
  font-size:1.5rem;
  color:var(--ink-deep);
  margin:0 0 .4rem;
}
.mb-modal-sub{
  font-size:.78rem;
  color:var(--text-muted);
  margin:0 0 1.4rem;
  line-height:1.7;
}
.mb-modal-sub strong{color:var(--ink-core);}
.mb-field{margin-bottom:1rem;}
.mb-field label{
  display:block;
  font-family:'Inter','Noto Serif SC',sans-serif;
  font-size:.78rem;
  font-weight:600;
  color:var(--text-deep);
  margin-bottom:.35rem;
}
.mb-field input{
  width:100%;
  box-sizing:border-box;
  padding:.7rem .9rem;
  border:1px solid var(--border-ink);
  border-radius:10px;
  background:#fff;
  font-family:'Inter','Noto Serif SC',sans-serif;
  font-size:.86rem;
  color:var(--text-body);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.mb-field input:focus{
  outline:none;
  border-color:var(--ink-main);
  box-shadow:0 0 0 3px rgba(0,144,64,.12);
}
.mb-field input.invalid{
  border-color:#c0392b;
  box-shadow:0 0 0 3px rgba(192,57,43,.1);
}
.mb-field-err{
  font-size:.75rem;
  color:#c0392b;
  margin:.2rem 0 .8rem;
}
.mb-modal-note{
  font-size:.68rem;
  color:var(--text-muted);
  text-align:center;
  margin:.9rem 0 0;
  line-height:1.6;
}
.mb-modal-success{text-align:center;padding:.6rem 0;}
.mb-success-icon{
  width:64px;
  height:64px;
  margin:0 auto 1rem;
  border-radius:50%;
  background:linear-gradient(135deg,var(--ink-main),var(--ink-bright));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  box-shadow:0 8px 24px rgba(0,144,64,.3);
}
.mb-success-icon svg{width:30px;height:30px;}
.mb-modal-success p{
  font-size:.85rem;
  color:var(--text-body);
  line-height:1.8;
  margin:0 0 1.4rem;
}
.mb-modal-success strong{color:var(--ink-core);}

body.mb-modal-open{overflow:hidden;}

/* ═══════════════════════════════════════════════════════════
   I18N — 英文排版适配（.lang-en）
   定价页是英文膨胀(≈1.4×)的最高危区域：四列套餐卡 + 对比矩阵。
   字栈统一引用 style.css :root 的 --font-latin* / --font-ui。
   ═══════════════════════════════════════════════════════════ */

/* 1) 套餐名：毛笔体无拉丁字形，必须换栈；英文名更长故略缩字号 */
html.lang-en .mb-tier-name{
  font-family:var(--font-latin-head);
  font-weight:700;
  font-size:1.32rem;
  line-height:var(--lh-heading);
  letter-spacing:.005em;
  overflow-wrap:break-word;
  hyphens:auto;
}
html.lang-en .mb-tier-tag{
  font-family:var(--font-latin);
  line-height:1.45;
  overflow-wrap:break-word;
}
/* "面议 / Contact us" 走毛笔体会掉字形 */
html.lang-en .mb-price-quote{
  font-family:var(--font-latin-head);
  font-weight:700;
  font-size:1.3rem;
  letter-spacing:0;
}
html.lang-en .mb-price-unit,
html.lang-en .mb-price-note{
  font-family:var(--font-ui);
  overflow-wrap:break-word;
}
html.lang-en .mb-price-note{ min-height:2.2rem; line-height:1.45; }

/* 2) 权益清单：英文条目常换行，收紧行高并允许断词 */
html.lang-en .mb-feat-list li{
  font-family:var(--font-latin);
  font-size:.82rem;
  line-height:1.6;
  overflow-wrap:break-word;
  hyphens:auto;
}

/* 3) 计费切换 / 按钮 / 角标：中文字距在英文里会拉散 */
html.lang-en .mb-bt-btn,
html.lang-en .mb-tier-btn,
html.lang-en .mb-field label,
html.lang-en .mb-field input{ font-family:var(--font-ui); letter-spacing:0; }
html.lang-en .mb-tier-btn{ white-space:normal; line-height:1.3; text-align:center; }
html.lang-en .mb-tier-flag{
  font-family:var(--font-ui);
  letter-spacing:.08em;
  font-size:.62rem;
  padding:4px 14px;
}
html.lang-en .mb-bt-save{ letter-spacing:.02em; }

/* 4) 对比矩阵：英文列头与功能名都变长。
      放开 nowrap 让单元格折行，min-width 相应放宽，仍走横向滚动容器 */
html.lang-en .mb-matrix{ min-width:820px; font-size:.8rem; }
html.lang-en .mb-matrix th,
html.lang-en .mb-matrix td{
  font-family:var(--font-latin);
  line-height:1.45;
  overflow-wrap:break-word;
  hyphens:auto;
}
html.lang-en .mb-matrix thead th{
  font-family:var(--font-latin-head);
  font-weight:700;
  font-size:.86rem;
  white-space:normal;
  letter-spacing:.005em;
}
html.lang-en .mb-matrix .mb-mx-feat{
  white-space:normal;
  min-width:190px;
  hyphens:auto;
}
html.lang-en .mb-mx-group td{
  font-family:var(--font-latin-head);
  font-weight:700;
  letter-spacing:.04em;   /* 中文用的 1px 字距在英文里过散 */
  text-transform:uppercase;
  font-size:.76rem;
}

/* 5) 链接卡 / FAQ / CTA / 弹窗标题 */
html.lang-en .mb-link-title{
  font-family:var(--font-latin-head);
  font-weight:700;
  font-size:.98rem;
  line-height:var(--lh-heading);
  overflow-wrap:break-word;
}
html.lang-en .mb-link-desc,
html.lang-en .mb-billing-note,
html.lang-en .mb-modal-note{
  font-family:var(--font-latin);
  overflow-wrap:break-word;
}
html.lang-en .mb-link-cta{ font-family:var(--font-ui); }
html.lang-en .mb-faq{ max-width:min(var(--measure),100%); }
html.lang-en .mb-faq summary{
  font-family:var(--font-latin);
  font-weight:700;
  font-size:.9rem;
  line-height:1.45;
  overflow-wrap:break-word;
}
html.lang-en .mb-faq-a{
  font-family:var(--font-latin);
  line-height:1.72;      /* 中文 1.9 在拉丁衬线里过松 */
  overflow-wrap:break-word;
  hyphens:auto;
}
html.lang-en .mb-cta h2,
html.lang-en .mb-modal h3{
  font-family:var(--font-latin-head);
  font-weight:700;
  letter-spacing:.005em;
  line-height:var(--lh-display);
  overflow-wrap:break-word;
}
html.lang-en .mb-cta h2{ font-size:1.5rem; }
html.lang-en .mb-modal h3{ font-size:1.32rem; }
html.lang-en .mb-cta p,
html.lang-en .mb-modal-sub,
html.lang-en .mb-modal-success p{
  font-family:var(--font-latin);
  line-height:var(--lh-body-en);
  overflow-wrap:break-word;
}
html.lang-en .mb-cta p{ max-width:min(62ch,100%); margin-left:auto; margin-right:auto; }

/* 6) 360px：英文套餐名/按钮最易溢出 */
@media (max-width:380px){
  html.lang-en .mb-tier-name{ font-size:1.18rem; }
  html.lang-en .mb-price-num{ font-size:1.62rem; }
  html.lang-en .mb-price-quote{ font-size:1.15rem; }
  html.lang-en .mb-bt-btn{ font-size:.76rem; padding:.5rem .85rem; }
  html.lang-en .mb-bt-save{ font-size:.6rem; padding:2px 6px; }
  html.lang-en .mb-tier-btn{ font-size:.8rem; padding:.7rem .9rem; }
  html.lang-en .mb-cta h2{ font-size:1.25rem; }
}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .mb-tier-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .mb-tier-grid{grid-template-columns:1fr;gap:1.6rem;}
  .mb-tier.recommended{order:-1;}
  .mb-links{grid-template-columns:1fr;}
  .mb-bt-btn{padding:.5rem 1.1rem;font-size:.82rem;}
  .mb-cta{padding:2.2rem 1.3rem;}
  .mb-cta h2{font-size:1.4rem;}
  .mb-modal{padding:1.8rem 1.3rem 1.4rem;}
}