/* roulang page: index */
:root{
  --ink:#0F3D3E;
  --ink-deep:#0A2B2C;
  --ink-soft:#E6EFEC;
  --amber:#E8873A;
  --celadon:#6FB3A8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --line-soft:#DCD7CB;
  --text:#1C2B2A;
  --muted:#5B6B69;
  --paper:#F4F1EA;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(15,61,62,.06);
  --shadow-2:0 10px 28px -18px rgba(15,61,62,.28);
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{overflow-x:hidden;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);}
.btn-primary .arrow{transition:transform var(--ease);}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink-soft);}
.btn-line{background:transparent;color:var(--ink);padding:0;min-height:auto;font-weight:600;border:0;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.btn-line:hover{color:var(--ink-deep);text-decoration-thickness:2px;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}

/* ---------- header ---------- */
.site-header{background:var(--bg);border-bottom:1px solid var(--line);}
.nav-top{
  min-height:68px;display:flex;align-items:center;gap:16px;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--amber);flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-hth{font-size:13px;font-weight:800;letter-spacing:.18em;color:var(--ink);}
.brand-cn{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.brand-divider{width:1px;height:26px;background:var(--line-soft);}
.nav-slogan{font-size:12px;color:var(--muted);letter-spacing:.04em;display:none;}
@media (min-width:1024px){.nav-slogan{display:block;}}
.nav-search{
  position:relative;display:none;width:320px;flex-shrink:0;
}
.nav-search input[type="search"]{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--line-soft);
  background:#fff;padding:0 44px 0 40px;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input[type="search"]::placeholder{color:#93a09e;font-size:14px;}
.nav-search input[type="search"]:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,135,58,.22);}
.nav-search .s-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);}
.nav-search .s-go{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;border:0;background:var(--ink-soft);border-radius:8px;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
}
.nav-search .s-go:hover{background:var(--ink);color:#fff;}
@media (min-width:768px){.nav-search{display:block;}}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-tel{display:none;font-size:14px;color:var(--ink);font-weight:600;}
.nav-tel:hover{color:var(--ink-deep);text-decoration:underline;text-underline-offset:4px;}
@media (min-width:1024px){.nav-tel{display:inline-flex;align-items:center;gap:6px;}}
.nav-cta-desktop{display:none;}
@media (min-width:768px){.nav-cta-desktop{display:inline-flex;}}
.burger{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line-soft);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
}
.burger:hover{background:var(--ink-soft);}
@media (min-width:768px){.burger{display:none;}}

/* channel bar */
.channel-bar{
  position:sticky;top:0;z-index:40;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  border-bottom:1px solid var(--line);
  scroll-margin-top:64px;
}
.channel-scroll{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  padding:0 20px;
}
.channel-scroll::-webkit-scrollbar{display:none;}
@media (min-width:768px){.channel-scroll{padding:0 24px;}}
@media (min-width:1024px){.channel-scroll{padding:0 32px;}}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  font-size:13px;font-weight:500;letter-spacing:.03em;white-space:nowrap;
  border:1px solid var(--line-soft);color:var(--muted);background:transparent;
  transition:all var(--ease);
}
.pill:hover{border-color:var(--ink);color:var(--ink);background:var(--ink-soft);}
.pill.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.pill.active:hover{background:var(--ink-deep);}

/* ---------- hero ---------- */
.hero{padding:44px 0 56px;}
@media (min-width:1024px){.hero{padding:72px 0 88px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--ink);
  background:var(--ink-soft);border-radius:999px;padding:6px 14px;font-weight:600;
}
.hero h1{
  font-size:clamp(30px,4vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  color:var(--ink-deep);margin:18px 0 0;
}
.hero-sub{font-size:16px;color:var(--muted);margin-top:16px;max-width:520px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-actions .btn{flex:1 1 auto;}
@media (min-width:640px){.hero-actions .btn{flex:0 0 auto;}}
.trust-line{
  margin-top:18px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.trust-line i{width:4px;height:4px;border-radius:50%;background:var(--celadon);display:inline-block;}
.hero-media{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--radius-img);border:1px solid var(--line);
  overflow:hidden;box-shadow:var(--shadow-2);background:var(--ink-soft);
  aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.stub-badge{
  position:absolute;top:-12px;right:18px;z-index:3;
  background:var(--amber);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:6px 12px;border-radius:6px;box-shadow:0 6px 16px -8px rgba(232,135,58,.9);
}
.float-card{
  position:absolute;left:-6px;bottom:-22px;z-index:3;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;box-shadow:var(--shadow-2);max-width:264px;
  backdrop-filter:blur(4px);
}
.float-card .fc-label{font-size:12px;color:var(--amber);font-weight:700;letter-spacing:.05em;}
.float-card .fc-text{font-size:13px;color:var(--text);margin-top:4px;line-height:1.7;}
@media (max-width:639px){
  .float-card{position:static;margin-top:14px;max-width:none;left:auto;bottom:auto;}
}

/* ---------- generic section ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:28px;
}
.section-title{position:relative;padding-top:16px;}
.section-title::before{
  content:"";position:absolute;top:0;left:0;width:32px;height:3px;background:var(--ink);border-radius:2px;
}
.section-title h2{
  font-size:clamp(23px,2.4vw,34px);line-height:1.25;font-weight:700;color:var(--ink-deep);letter-spacing:-.005em;
}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px;line-height:1.85;}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.pain-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.pain-grid{grid-template-columns:repeat(4,1fr);}}
.pain-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.pain-card:hover{border-color:var(--ink);background:#fff;transform:translateY(-2px);}
.pain-no{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--ink);margin-bottom:14px;
}
.pain-card h3{font-size:16px;font-weight:700;color:var(--ink-deep);line-height:1.5;}
.pain-card p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8;}

/* ---------- plan asymmetric ---------- */
.plan-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){
  .plan-grid{grid-template-columns:repeat(12,1fr);}
  .plan-main{grid-column:span 7;}
  .plan-side{grid-column:span 5;display:flex;flex-direction:column;gap:20px;}
}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink);}
.plan-main .plan-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft);}
.plan-main .plan-media img{width:100%;height:100%;object-fit:cover;}
.plan-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;}
.plan-no{
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--amber);margin-bottom:8px;
}
.plan-body h3{font-size:20px;font-weight:700;color:var(--ink-deep);line-height:1.4;}
.plan-body p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.85;flex:1;}
.plan-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.plan-link:hover{color:var(--ink-deep);text-decoration:underline;text-underline-offset:4px;}
.plan-link span{transition:transform var(--ease);}
.plan-card:hover .plan-link span{transform:translateX(3px);}
.plan-side .plan-card{flex:1;}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.news-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink);}
.news-cover{
  aspect-ratio:16/9;background:var(--ink-soft);overflow:hidden;position:relative;
  border-bottom:1px solid var(--line);
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-cover .ph{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-size:34px;font-weight:800;color:var(--ink);opacity:.45;
}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--radius-badge);
  border:1px solid var(--line-soft);font-size:12px;font-weight:500;color:var(--ink);
  background:var(--ink-soft);letter-spacing:.03em;
}
.news-body h3{
  font-size:16px;font-weight:700;color:var(--ink-deep);line-height:1.6;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .excerpt{
  font-size:13px;color:var(--muted);line-height:1.8;margin-top:8px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.news-meta .go{color:var(--ink);transition:transform var(--ease);}
.news-card:hover .news-meta .go{transform:translateX(3px);}
.empty-state{
  border:1px dashed var(--line-soft);border-radius:var(--radius-card);
  background:#fff;padding:44px 24px;text-align:center;
}
.empty-state .es-icon{
  width:48px;height:48px;border-radius:50%;border:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--celadon);
}
.empty-state p{font-size:15px;color:var(--muted);}
.empty-state .btn{margin-top:18px;}

/* ---------- stat band ---------- */
.stat-band{
  background:var(--ink);color:var(--paper);position:relative;overflow:hidden;
}
.stat-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.6;pointer-events:none;
}
.stat-inner{position:relative;padding:52px 0;}
@media (min-width:1024px){.stat-inner{padding:72px 0;}}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px;}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.stat-item .stat-num{
  font-size:34px;font-weight:800;line-height:1.1;letter-spacing:-.02em;color:#fff;
}
@media (min-width:1024px){.stat-item .stat-num{font-size:48px;}}
.stat-item .stat-num small{font-size:14px;font-weight:600;margin-left:4px;letter-spacing:0;opacity:.8;}
.stat-item .stat-label{
  font-size:12px;color:rgba(244,241,234,.72);margin-top:8px;line-height:1.7;letter-spacing:.02em;
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:24px;counter-reset:step;}
@media (min-width:768px){.steps{grid-template-columns:1fr 1fr;gap:28px;}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{position:relative;padding-left:0;}
.step-num{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--ink);background:#fff;position:relative;z-index:2;
}
.step::after{
  content:"";position:absolute;top:14px;left:32px;right:-24px;height:1px;
  border-top:1px dashed var(--line-soft);display:none;
}
@media (min-width:1024px){.step::after{display:block;} .step:last-child::after{display:none;}}
.step h3{font-size:16px;font-weight:700;color:var(--ink-deep);margin-top:14px;}
.step p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.8;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 0;font-size:16px;font-weight:600;color:var(--ink-deep);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--ink);}
.faq-item summary .ico{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary .ico{transform:rotate(180deg);background:var(--ink-soft);}
.faq-answer{padding:0 0 20px;font-size:15px;color:var(--muted);line-height:1.9;max-width:860px;}

/* ---------- contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.contact-grid{grid-template-columns:1.15fr .85fr;gap:40px;align-items:start;}}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.form-card{padding:30px;}}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr;}}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:600;color:var(--ink-deep);}
.field .req{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--amber);margin-left:5px;vertical-align:middle;}
.field input,.field select,.field textarea{
  width:100%;height:46px;border-radius:10px;border:1px solid var(--line-soft);background:#fff;
  padding:0 14px;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,135,58,.2);}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;}
.checkbox-row input[type="checkbox"]{width:18px;height:18px;margin-top:3px;accent-color:var(--ink);flex-shrink:0;}
.checkbox-row label{font-size:12px;color:var(--muted);line-height:1.75;}
.form-submit{width:100%;margin-top:18px;}
.why-list{display:flex;flex-direction:column;gap:16px;}
.why-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;
  display:flex;gap:14px;align-items:flex-start;
}
.why-item .wi-ico{
  width:36px;height:36px;border-radius:10px;background:var(--ink-soft);color:var(--ink);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.why-item h3{font-size:15px;font-weight:700;color:var(--ink-deep);}
.why-item p{font-size:13px;color:var(--muted);margin-top:5px;line-height:1.8;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:68px 0 44px;}}
.footer-brand .brand-hth{color:#fff;}
.footer-brand .brand-cn{color:#fff;}
.footer-brand .brand-divider{background:rgba(255,255,255,.2);}
.footer-brand p{font-size:13px;color:rgba(244,241,234,.7);margin-top:14px;line-height:1.85;max-width:300px;}
.footer-contact{margin-top:14px;font-size:13px;color:rgba(244,241,234,.85);}
.footer-col h4{
  font-size:13px;font-weight:600;color:rgba(244,241,234,.6);letter-spacing:.06em;margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(244,241,234,.86);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(244,241,234,.6);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:rgba(244,241,234,.8);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:7px 14px;transition:background var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.18);color:#fff;}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:90;background:rgba(10,43,44,.55);
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-mask.open{display:flex;}
.modal-card{
  position:relative;width:100%;max-width:560px;background:#fff;border-radius:16px;
  padding:28px;box-shadow:0 24px 60px -24px rgba(10,43,44,.6);
  max-height:88vh;overflow-y:auto;
}
.modal-card h3{font-size:20px;font-weight:700;color:var(--ink-deep);}
.modal-card p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.85;}
.modal-close{
  position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line-soft);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--ink-soft);}
.modal-body{margin-top:18px;}
@media (max-width:1023px){
  .modal-mask{align-items:flex-end;padding:0;}
  .modal-card{max-width:100%;border-radius:20px 20px 0 0;max-height:88vh;padding:24px 20px 28px;}
}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:95;background:var(--bg);
  display:none;flex-direction:column;
}
.drawer.open{display:flex;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;border-bottom:1px solid var(--line);
}
.drawer-body{padding:20px;overflow-y:auto;flex:1;}
.drawer-search{position:relative;margin-bottom:20px;}
.drawer-search input{
  width:100%;height:46px;border-radius:10px;border:1px solid var(--line-soft);
  padding:0 14px 0 40px;outline:none;background:#fff;
}
.drawer-search .s-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);}
.drawer-links{display:flex;flex-direction:column;gap:8px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:15px;font-weight:600;color:var(--ink-deep);
}
.drawer-links a:hover{border-color:var(--ink);background:var(--ink-soft);}
.drawer-foot{margin-top:20px;}
body.lock{overflow:hidden;}

/* roulang page: article */
:root{
  --ink:#0F3D3E;
  --ink-deep:#0A2B2C;
  --ink-soft:#E6EFEC;
  --amber:#E8873A;
  --celadon:#6FB3A8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --line-soft:#DCD7CB;
  --text:#1C2B2A;
  --muted:#5B6B69;
  --paper:#F4F1EA;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-badge:6px;
  --sh1:0 1px 2px rgba(15,61,62,.06);
  --sh2:0 10px 28px -18px rgba(15,61,62,.28);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,opacity .22s ease;}
a:hover{color:var(--ink-deep);}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{position:relative;z-index:60;background:var(--bg);}
.nav-top{
  display:flex;align-items:center;gap:20px;
  min-height:68px;padding:10px 0;
  border-bottom:1px solid var(--line);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--amber);flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-hth{font-size:16px;font-weight:800;letter-spacing:.14em;color:var(--ink);}
.brand-cn{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.02em;}
.brand-divider{width:1px;height:22px;background:var(--line-soft);}
.nav-slogan{font-size:12px;color:var(--muted);letter-spacing:.04em;white-space:nowrap;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:320px;height:42px;
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-btn);
  padding:0 6px 0 36px;transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,135,58,.22);}
.nav-search .s-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);display:flex;}
.nav-search input[type="search"]{
  flex:1 1 auto;width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);height:100%;
}
.nav-search input::placeholder{color:#96A29F;}
.nav-search .s-go{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border:0;border-radius:8px;background:var(--ink-soft);color:var(--ink);
  transition:background-color .22s ease,color .22s ease;
}
.nav-search .s-go:hover{background:var(--ink);color:#fff;}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.nav-tel{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--muted);white-space:nowrap;}
.nav-tel:hover{color:var(--ink);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  text-decoration:none;transition:all .22s ease;
}
.btn .arrow{transition:transform .22s ease;}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;}
.btn-primary:hover .arrow{transform:translateX(2px);}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink-soft);color:var(--ink-deep);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.burger{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line-soft);background:var(--card);border-radius:var(--r-btn);color:var(--ink);
}
.burger:hover{background:var(--ink-soft);}
@media (max-width:899px){
  .nav-search{display:none;}
  .nav-tel{display:none;}
  .nav-slogan{display:none;}
  .brand-divider{display:none;}
  .burger{display:inline-flex;}
}
@media (max-width:640px){
  .nav-cta-desktop{display:none;}
  .nav-top{gap:12px;}
}

/* 频道 tabs */
.nav-tabs{
  position:sticky;top:0;z-index:55;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  border-bottom:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-margin-top:96px;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tabs-inner{display:flex;align-items:center;gap:10px;padding:10px 20px;}
@media (min-width:768px){.tabs-inner{padding:10px 24px;}}
@media (min-width:1024px){.tabs-inner{padding:10px 32px;}}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line-soft);background:transparent;
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:all .22s ease;
}
.tab:hover{border-color:var(--ink);background:var(--ink-soft);color:var(--ink);}
.tab.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.tab.active:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:var(--bg);padding:20px;overflow-y:auto;
}
.mobile-drawer.open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-soft);background:var(--card);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;}
.drawer-list{display:flex;flex-direction:column;gap:8px;margin-top:20px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card);
  font-size:15px;color:var(--text);
}
.drawer-list a:hover{border-color:var(--ink);color:var(--ink);}
.drawer-search{margin-top:20px;}

/* ============ 文章页 ============ */
.page-main{padding:28px 0 0;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;color:var(--muted);line-height:1.6;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--ink);}
.crumbs .sep{color:#B9C2BF;}
.crumbs .current{
  max-width:min(52vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--text);
}

.article-head{padding:24px 0 22px;}
.head-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--ink-soft);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.head-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--celadon);}
.article-head h1{
  margin-top:16px;
  font-size:clamp(27px,3.6vw,42px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink-deep);
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:16px;font-size:13px;color:var(--muted);
}
.article-meta .m-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .m-item svg{color:var(--celadon);}
.article-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line-soft);}
.article-head .rule{height:1px;background:var(--line);margin-top:22px;}

.article-layout{
  display:grid;grid-template-columns:1fr;gap:24px;
  padding-bottom:8px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:repeat(12,1fr);gap:24px;align-items:start;}
  .article-main{grid-column:span 8;min-width:0;}
  .article-aside{grid-column:span 4;min-width:0;}
}

.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:24px 20px;
}
@media (min-width:768px){.article-card{padding:34px 36px;}}

/* 正文排版 */
.article-body{font-size:17px;line-height:2;color:var(--text);word-wrap:break-word;overflow-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  font-size:clamp(21px,2.2vw,26px);
  line-height:1.4;
  font-weight:700;
  color:var(--ink-deep);
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";display:block;width:32px;height:3px;border-radius:2px;
  background:var(--ink);margin-bottom:14px;
}
.article-body h3{
  margin:28px 0 12px;font-size:20px;line-height:1.45;font-weight:700;color:var(--text);
  scroll-margin-top:96px;
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:none;}
.article-body ul > li{position:relative;padding-left:16px;margin:6px 0;}
.article-body ul > li::before{
  content:"";position:absolute;left:0;top:.82em;width:6px;height:6px;border-radius:50%;background:var(--ink);
}
.article-body ol{list-style:decimal;color:var(--text);}
.article-body ol > li{margin:6px 0;padding-left:4px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  background:#FBF6EF;
  border-left:3px solid var(--amber);
  border-radius:0 10px 10px 0;
  color:#3B4B49;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:20px 0;border:1px solid var(--line);}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 0 10px;}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;line-height:1.7;}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{text-decoration-thickness:2px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body thead th{
  background:var(--ink);color:#fff;font-weight:600;text-align:left;
  padding:12px 14px;font-size:14px;letter-spacing:.02em;
}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);line-height:1.8;}
.article-body tbody tr:nth-child(even){background:#FAF8F3;}
.article-body strong{font-weight:700;color:var(--ink-deep);}

/* 空态 */
.empty-state{padding:40px 8px;text-align:center;}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  border:1px dashed var(--line-soft);background:var(--bg);
  display:flex;align-items:center;justify-content:center;color:var(--celadon);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink-deep);}
.empty-state p{margin-top:8px;font-size:14px;color:var(--muted);}
.empty-state .btn{margin-top:22px;}

/* 目录 */
.toc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:20px;
}
.toc-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--ink-deep);letter-spacing:.02em;
}
.toc-title svg{color:var(--celadon);}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 0 7px 12px;
  border-left:2px solid transparent;
  font-size:13.5px;line-height:1.6;color:var(--muted);
  transition:all .2s ease;
}
.toc-list a.lv3{padding-left:26px;font-size:13px;}
.toc-list a:hover{color:var(--ink);background:var(--bg);}
.toc-list a.is-active{
  color:var(--ink);font-weight:700;border-left-color:var(--ink);background:var(--ink-soft);
}
.toc-empty{font-size:13px;color:var(--muted);margin-top:12px;}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.75;color:var(--muted);
}
@media (max-width:1023px){
  .article-aside{order:2;}
  .toc{position:static;}
}

/* 标签与返回 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  border:1px solid var(--line-soft);background:var(--bg);
  font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.04em;
}
.tag:hover{border-color:var(--ink);color:var(--ink);background:var(--ink-soft);}
.article-foot .btn{margin-left:auto;}

/* 相关推荐 */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:72px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{
  font-size:clamp(21px,2.2vw,27px);line-height:1.3;font-weight:700;color:var(--ink-deep);
  position:relative;padding-top:14px;
}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:32px;height:3px;border-radius:2px;background:var(--ink);
}
.section-head p{margin-top:8px;font-size:14px;color:var(--muted);}
.link-more{font-size:14px;font-weight:600;color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.link-more:hover{color:var(--ink-deep);text-decoration-thickness:2px;}

.related-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  padding:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);transition:all .22s ease;
}
.related-card:hover{border-color:var(--ink);box-shadow:var(--sh2);transform:translateY(-2px);}
.related-card .badge{
  align-self:flex-start;padding:3px 9px;border-radius:var(--r-badge);
  background:var(--ink-soft);color:var(--ink);font-size:11.5px;font-weight:600;letter-spacing:.04em;
}
.related-card h3{font-size:16px;line-height:1.55;font-weight:700;color:var(--ink-deep);}
.related-card:hover h3{color:var(--ink);}
.related-card .meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
.related-card .go{display:inline-flex;align-items:center;gap:5px;color:var(--ink);font-weight:600;}

/* 文末 CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--paper);
  border-radius:0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:18px 18px;opacity:.35;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:34px 0;
}
.cta-inner .cta-text h2{font-size:clamp(19px,2vw,24px);font-weight:700;color:#fff;line-height:1.4;}
.cta-inner .cta-text p{margin-top:8px;font-size:13.5px;color:rgba(244,241,234,.72);line-height:1.7;}
.cta-inner .btn-primary{background:var(--amber);border-color:var(--amber);color:#2A1406;}
.cta-inner .btn-primary:hover{background:#F0954C;border-color:#F0954C;color:#2A1406;}
@media (max-width:640px){
  .cta-inner .btn{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--paper);margin-top:56px;padding:52px 0 0;}
@media (min-width:1024px){.site-footer{margin-top:72px;padding-top:64px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand .brand .brand-hth{color:#fff;}
.footer-brand .brand .brand-cn{color:rgba(244,241,234,.66);}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.85;color:rgba(244,241,234,.72);max-width:300px;}
.footer-contact{margin-top:14px;font-size:12.5px;color:rgba(244,241,234,.6);letter-spacing:.02em;}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:rgba(244,241,234,.62);margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(244,241,234,.9);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(244,241,234,.62);line-height:1.7;
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(244,241,234,.86);}
.to-top:hover{color:#fff;}

/* roulang page: category1 */
:root{
  --primary:#0F3D3E;
  --primary-dark:#0A2B2C;
  --primary-light:#E6EFEC;
  --accent:#E8873A;
  --celadon:#6FB3A8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --line-soft:#DCD7CB;
  --text:#1C2B2A;
  --muted:#5B6B69;
  --inverse:#F4F1EA;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(15,61,62,.06);
  --shadow-2:0 10px 28px -18px rgba(15,61,62,.28);
  --ease:.22s ease;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
summary{list-style:none;}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  background:var(--bg);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:50;
}

.nav-top{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:68px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.brand-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  flex:0 0 auto;
}

.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}

.brand-hth{
  font-size:15px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--primary);
}

.brand-cn{
  font-size:12.5px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:.01em;
}

.brand-divider{
  width:1px;
  height:24px;
  background:var(--line);
  flex:0 0 auto;
}

.nav-slogan{
  font-size:12.5px;
  color:var(--muted);
  white-space:nowrap;
}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:320px;
  height:46px;
  margin-left:8px;
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:var(--r-btn);
  transition:border-color var(--ease), box-shadow var(--ease);
}

.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(232,135,58,.25);
}

.nav-search .s-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  color:var(--muted);
  flex:0 0 auto;
}

.nav-search input[type="search"]{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  outline:none;
}

.nav-search input[type="search"]::placeholder{color:#9AA6A4;}

.nav-search .s-go{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  margin-right:4px;
  border-radius:8px;
  color:var(--primary);
  transition:background var(--ease), color var(--ease);
}

.nav-search .s-go:hover{background:var(--primary-light);}

.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}

.nav-tel{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--primary);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:border-color var(--ease);
}

.nav-tel:hover{border-bottom-color:var(--accent);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.btn .arrow{transition:transform var(--ease);}

.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  box-shadow:var(--shadow-1);
}

.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  box-shadow:var(--shadow-2);
}

.btn-primary:hover .arrow{transform:translateX(2px);}

.btn-outline{
  background:#fff;
  color:var(--primary);
  border-color:var(--primary);
}

.btn-outline:hover{background:var(--primary-light);}

.btn-sm{
  min-height:40px;
  padding:0 16px;
  font-size:14px;
}

.btn-block{width:100%;}

.burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid var(--line-soft);
  border-radius:var(--r-btn);
  color:var(--primary);
  background:#fff;
}

.burger:hover{border-color:var(--primary);background:var(--primary-light);}

/* 频道 Tabs */
.nav-tabs-wrap{
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:45;
}

.nav-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding:8px 20px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}

.nav-tabs::-webkit-scrollbar{display:none;}

.tab-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line-soft);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
  transition:background var(--ease), border-color var(--ease), color var(--ease);
}

.tab-pill:hover{
  border-color:var(--primary);
  background:var(--primary-light);
}

.tab-pill.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  background:rgba(10,43,44,.55);
}

.mobile-drawer.open{display:block;}

.mobile-drawer-panel{
  position:absolute;
  inset:0;
  background:var(--bg);
  padding:20px;
  overflow-y:auto;
}

.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}

.drawer-close{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line-soft);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--primary);
  font-size:20px;
  line-height:1;
}

.drawer-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:46px;
  margin:18px 0;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:var(--r-btn);
}

.drawer-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
}

.drawer-list{display:flex;flex-direction:column;gap:10px;}

.drawer-list a{
  display:block;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  font-size:15px;
  font-weight:600;
  color:var(--primary);
}

.drawer-list a.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:20px 0 0;
  font-size:12.5px;
  color:var(--muted);
}

.crumb a{color:var(--muted);transition:color var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#B9C2C0;}
.crumb .current{color:var(--text);font-weight:600;}

/* ---------- 页头 ---------- */
.page-head{padding:26px 0 0;}

.page-head-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;
  align-items:center;
  padding-bottom:32px;
  border-bottom:1px solid var(--line);
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--primary-light);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:14px;
}

.page-head h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--primary);
  margin-bottom:14px;
}

.page-head p{
  font-size:15.5px;
  color:var(--muted);
  max-width:32em;
}

.page-head-media{
  position:relative;
  border-radius:16px;
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--primary-light);
  aspect-ratio:3/1.4;
  box-shadow:var(--shadow-1);
}

.page-head-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* ---------- 主体布局 ---------- */
.section{padding:56px 0;}

.layout-grid{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:24px;
  align-items:start;
}

.side{
  display:flex;
  flex-direction:column;
  gap:16px;
  position:sticky;
  top:76px;
}

.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--ease), box-shadow var(--ease);
}

.side-card:hover{
  border-color:var(--primary);
  box-shadow:var(--shadow-2);
}

.side-title{
  font-size:15px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:12px;
  padding-left:12px;
  position:relative;
}

.side-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  width:3px;
  height:14px;
  border-radius:2px;
  background:var(--celadon);
}

.side-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
  margin-bottom:6px;
}

.side-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  border:1px solid var(--primary);
  background:var(--primary-light);
}

.side-nav ul li + li{margin-top:2px;}

.side-nav a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:7px 8px;
  border-radius:8px;
  font-size:14px;
  color:var(--primary);
  transition:background var(--ease), color var(--ease);
}

.side-nav a::before{
  content:"";
  width:14px;
  height:1px;
  background:var(--celadon);
  flex:0 0 auto;
  transition:width var(--ease);
}

.side-nav a:hover{
  background:var(--primary-light);
}

.side-nav a:hover::before{width:22px;}

.side-contact p{
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:14px;
}

.main-col{display:flex;flex-direction:column;gap:16px;}

.main-head{
  margin-bottom:6px;
}

.section-title{
  font-size:clamp(21px,2.2vw,28px);
  line-height:1.35;
  font-weight:700;
  color:var(--primary);
  position:relative;
  padding-top:16px;
}

.section-title::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:32px;
  height:1px;
  background:var(--primary);
}

.section-sub{
  margin-top:10px;
  font-size:14.5px;
  color:var(--muted);
}

/* 步骤条目卡 */
.step-card{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.step-card:hover{
  border-color:var(--primary);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}

.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid var(--primary);
  color:var(--primary);
  font-size:13.5px;
  font-weight:800;
  background:var(--primary-light);
  letter-spacing:.02em;
}

.step-body h3{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  margin-bottom:6px;
}

.step-body > p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.9;
}

.step-more{margin-top:12px;}

.step-more summary{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--primary);
  cursor:pointer;
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:border-color var(--ease), color var(--ease);
}

.step-more summary::-webkit-details-marker{display:none;}

.step-more summary::after{
  content:"+";
  display:inline-block;
  font-size:15px;
  line-height:1;
  color:var(--accent);
}

.step-more[open] summary::after{content:"−";}

.step-more summary:hover{border-bottom-color:var(--accent);}

.step-more .more-body{
  margin-top:10px;
  padding:14px 16px;
  background:var(--primary-light);
  border-left:3px solid var(--celadon);
  border-radius:8px;
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
}

.figure-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}

.figure-card .fig-media{
  aspect-ratio:16/9;
  background:var(--primary-light);
  border-bottom:1px solid var(--line);
}

.figure-card .fig-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.figure-card figcaption{
  padding:14px 20px;
  font-size:12.5px;
  color:var(--muted);
  text-align:center;
}

/* FAQ */
.faq-block{
  margin-top:40px;
  padding-top:36px;
  border-top:1px solid var(--line);
}

.faq-list{
  margin-top:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}

.faq-item + .faq-item{border-top:1px solid var(--line);}

.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:12px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  transition:color var(--ease), background var(--ease);
}

.faq-item summary::-webkit-details-marker{display:none;}

.faq-item summary:hover{color:var(--primary);background:#FCFBF8;}

.faq-item summary .chev{
  flex:0 0 auto;
  width:20px;
  height:20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  transition:transform var(--ease), color var(--ease);
}

.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--primary);}

.faq-item .faq-answer{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}

/* CTA 条 */
.cta-band{
  background:var(--primary);
  color:var(--inverse);
  position:relative;
  overflow:hidden;
  margin-top:56px;
}

.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:240px;
  height:240px;
  background-image:radial-gradient(rgba(244,241,234,.16) 1.5px, transparent 1.5px);
  background-size:14px 14px;
  pointer-events:none;
}

.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:40px 0;
  flex-wrap:wrap;
}

.cta-inner h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.4;
  color:#fff;
}

.cta-inner p{
  margin-top:8px;
  font-size:14.5px;
  color:rgba(244,241,234,.78);
  max-width:34em;
}

.cta-band .btn-primary{
  background:#fff;
  color:var(--primary);
  border-color:#fff;
}

.cta-band .btn-primary:hover{
  background:var(--inverse);
  border-color:var(--inverse);
  color:var(--primary-dark);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--primary);
  color:rgba(244,241,234,.86);
  padding:64px 0 0;
  margin-top:0;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
}

.footer-brand .brand{margin-bottom:14px;}

.footer-brand .brand-hth,
.footer-brand .brand-cn{color:#fff;}

.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(244,241,234,.72);
  max-width:24em;
}

.footer-contact{
  margin-top:14px;
  font-size:13px;
  color:rgba(244,241,234,.6);
}

.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:rgba(244,241,234,.6);
  margin-bottom:14px;
}

.footer-col ul li a{
  display:inline-block;
  padding:4px 0;
  font-size:14px;
  color:rgba(244,241,234,.86);
  border-bottom:1px solid transparent;
  transition:color var(--ease), border-color var(--ease);
}

.footer-col ul li a:hover{
  color:#fff;
  border-bottom-color:var(--accent);
}

.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;
  color:rgba(244,241,234,.6);
}

.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:rgba(244,241,234,.86);
  transition:color var(--ease);
}

.to-top:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-tel{display:none;}
  .nav-slogan{display:none;}
  .brand-divider{display:none;}
  .burger{display:inline-flex;}
  .nav-cta-desktop{display:none;}
  .layout-grid{grid-template-columns:minmax(0,1fr);}
  .side{position:static;order:2;}
  .main-col{order:1;}
  .page-head-inner{grid-template-columns:minmax(0,1fr);gap:24px;}
  .page-head-media{aspect-ratio:16/6;}
}

@media (max-width:767px){
  .section{padding:44px 0;}
  .step-card{grid-template-columns:minmax(0,1fr);gap:12px;padding:20px;}
  .step-no{width:32px;height:32px;font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .cta-inner{padding:34px 0;}
  .cta-inner .btn{width:100%;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .nav-tabs{padding:8px 16px;}
  .page-head h1{font-size:25px;}
  .page-head p{font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:15px;padding:12px 16px;}
  .faq-item .faq-answer{padding:0 16px 18px;}
  .side-card{padding:18px;}
  .brand-hth{font-size:14px;}
  .brand-cn{font-size:12px;}
}

/* roulang page: category2 */
:root{
    --ink:#1C2B2A;
    --ink-2:#5B6B69;
    --pine:#0F3D3E;
    --pine-deep:#0A2B2C;
    --pine-soft:#E6EFEC;
    --amber:#E8873A;
    --teal:#6FB3A8;
    --bg:#F7F5F0;
    --card:#FFFFFF;
    --line:#E4E0D6;
    --line-2:#DCD7CB;
    --cream:#F4F1EA;
    --r-card:14px;
    --r-img:16px;
    --r-btn:10px;
    --r-badge:6px;
    --sh-1:0 1px 2px rgba(15,61,62,.06);
    --sh-2:0 10px 28px -18px rgba(15,61,62,.28);
    --ease:.22s ease;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;}

  html body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;display:block;}
  svg{display:block;}
  a{color:var(--pine);text-decoration:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
  button{font-family:inherit;cursor:pointer;}
  input{font-family:inherit;}
  figure{margin:0;}

  a:focus-visible,
  button:focus-visible,
  input:focus-visible{
    outline:2px solid var(--amber);
    outline-offset:2px;
    border-radius:6px;
  }

  body .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){ body .container{padding-left:24px;padding-right:24px;} }
  @media (min-width:1024px){ body .container{padding-left:32px;padding-right:32px;} }

  section[id]{scroll-margin-top:88px;}

  /* ---------- 头部 ---------- */
  .site-header{
    background:var(--bg);
    border-bottom:1px solid var(--line);
    position:relative;
    z-index:40;
  }
  .nav-top{
    display:flex;
    align-items:center;
    gap:16px;
    min-height:68px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
    color:var(--pine);
  }
  .brand-dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--amber);
    flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .brand-hth{
    font-size:11px;
    letter-spacing:.2em;
    font-weight:700;
    color:var(--ink-2);
  }
  .brand-cn{
    font-size:16px;
    font-weight:800;
    letter-spacing:.01em;
    color:var(--pine);
  }
  .brand-divider{
    width:1px;height:26px;background:var(--line-2);
    display:none;
  }
  .nav-slogan{
    display:none;
    font-size:12px;
    color:var(--ink-2);
    white-space:nowrap;
    letter-spacing:.02em;
  }
  @media (min-width:1100px){
    .brand-divider{display:block;}
    .nav-slogan{display:block;}
  }

  .nav-search{
    display:none;
    position:relative;
    align-items:center;
    width:320px;
    max-width:320px;
    height:44px;
    border:1px solid var(--line-2);
    border-radius:10px;
    background:var(--card);
    padding:0 6px 0 12px;
    transition:border-color var(--ease), box-shadow var(--ease);
  }
  .nav-search:focus-within{
    border-color:var(--pine);
    box-shadow:0 0 0 3px rgba(232,135,58,.18);
  }
  .nav-search .s-icon{color:var(--ink-2);flex:0 0 auto;}
  .nav-search input{
    flex:1 1 auto;
    min-width:0;
    border:0;
    outline:none;
    background:transparent;
    font-size:14px;
    color:var(--ink);
    padding:0 8px;
    height:100%;
  }
  .nav-search input::placeholder{color:#9AA7A5;}
  .nav-search .s-go{
    border:0;
    background:var(--pine-soft);
    color:var(--pine);
    width:30px;height:30px;
    border-radius:8px;
    display:grid;place-items:center;
    transition:background var(--ease), color var(--ease);
  }
  .nav-search .s-go:hover{background:var(--pine);color:#fff;}
  @media (min-width:900px){ .nav-search{display:flex;} }

  .nav-right{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
  }
  .nav-tel{
    display:none;
    align-items:center;
    gap:6px;
    font-size:14px;
    color:var(--pine);
    transition:color var(--ease);
  }
  .nav-tel:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px;}
  @media (min-width:900px){ .nav-tel{display:inline-flex;} }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:600;
    padding:12px 20px;
    min-height:46px;
    border:1px solid transparent;
    transition:background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
  }
  .btn .arrow{transition:transform var(--ease);}
  .btn-primary{background:var(--pine);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--pine-deep);}
  .btn-primary:hover .arrow{transform:translateX(2px);}
  .btn-ghost{
    background:var(--card);
    color:var(--pine);
    border-color:var(--pine);
  }
  .btn-ghost:hover{background:var(--pine-soft);}
  .btn-sm{
    font-size:13px;
    padding:9px 14px;
    min-height:40px;
    gap:6px;
  }
  .btn-block{width:100%;}

  .nav-cta-desktop{display:none;}
  @media (min-width:560px){ .nav-cta-desktop{display:inline-flex;} }

  .burger{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;height:42px;
    border:1px solid var(--line-2);
    border-radius:10px;
    background:var(--card);
    color:var(--pine);
    transition:border-color var(--ease), background var(--ease);
  }
  .burger:hover{border-color:var(--pine);background:var(--pine-soft);}
  @media (min-width:900px){ .burger{display:none;} }

  .nav-tabs{
    position:sticky;
    top:0;
    z-index:35;
    display:flex;
    align-items:center;
    gap:10px;
    overflow-x:auto;
    padding:10px 0;
    background:rgba(247,245,240,.94);
    -webkit-backdrop-filter:blur(4px);
    backdrop-filter:blur(4px);
    border-bottom:1px solid var(--line);
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .nav-tabs::-webkit-scrollbar{display:none;}
  .tab{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    padding:8px 16px;
    border-radius:999px;
    border:1px solid var(--line-2);
    font-size:14px;
    font-weight:500;
    color:var(--ink-2);
    white-space:nowrap;
    transition:border-color var(--ease), color var(--ease), background var(--ease);
  }
  .tab:hover{border-color:var(--pine);color:var(--pine);background:var(--pine-soft);}
  .tab.active{
    background:var(--pine);
    border-color:var(--pine);
    color:#fff;
  }

  /* 移动抽屉 */
  .mobile-drawer{
    display:none;
    position:fixed;
    inset:0;
    z-index:80;
    background:var(--bg);
    padding:20px;
    overflow-y:auto;
  }
  .mobile-drawer.open{display:block;}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
  }
  .drawer-title{font-size:13px;letter-spacing:.06em;color:var(--ink-2);}
  .drawer-close{
    width:38px;height:38px;
    border-radius:10px;
    border:1px solid var(--line-2);
    background:var(--card);
    color:var(--pine);
    display:grid;place-items:center;
  }
  .drawer-search{
    margin:20px 0;
    display:flex;
    align-items:center;
    height:46px;
    border:1px solid var(--line-2);
    border-radius:10px;
    background:var(--card);
    padding:0 14px;
  }
  .drawer-search input{
    border:0;outline:none;background:transparent;
    width:100%;font-size:14px;color:var(--ink);
  }
  .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
  .drawer-nav a{
    padding:14px 12px;
    border-radius:10px;
    font-size:16px;
    font-weight:600;
    color:var(--pine);
    border:1px solid transparent;
  }
  .drawer-nav a:hover{background:var(--pine-soft);}
  .drawer-nav a.active{background:var(--pine-soft);border-color:#C9DCD7;}

  /* ---------- 面包屑 ---------- */
  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    padding:18px 0;
    font-size:12px;
    color:var(--ink-2);
  }
  .crumb a{color:var(--ink-2);transition:color var(--ease);}
  .crumb a:hover{color:var(--pine);}
  .crumb .sep{color:#B9C4C2;}
  .crumb .now{color:var(--pine);font-weight:600;}

  /* ---------- 海报页头 ---------- */
  .poster{
    position:relative;
    background:var(--pine);
    color:var(--cream);
    overflow:hidden;
    border-radius:0 0 18px 18px;
  }
  .poster::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    opacity:.20;
    z-index:0;
  }
  .poster::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(244,241,234,.55) 1.4px, transparent 1.6px);
    background-size:14px 14px;
    opacity:.10;
    z-index:1;
    pointer-events:none;
  }
  .poster-inner{
    position:relative;
    z-index:2;
    padding:44px 0 46px;
    max-width:820px;
  }
  @media (min-width:1024px){
    .poster-inner{padding:56px 0 58px;}
  }
  .poster-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.08em;
    color:rgba(244,241,234,.78);
    border:1px solid rgba(244,241,234,.28);
    border-radius:999px;
    padding:5px 14px;
    margin-bottom:18px;
  }
  .poster-tag i{
    width:6px;height:6px;border-radius:50%;
    background:var(--amber);
    display:block;
  }
  .poster h1{
    font-size:clamp(28px,4vw,46px);
    line-height:1.2;
    font-weight:800;
    letter-spacing:-.01em;
    color:#fff;
  }
  .poster .poster-lead{
    margin-top:16px;
    font-size:15px;
    line-height:1.85;
    color:rgba(244,241,234,.84);
    max-width:660px;
  }
  @media (min-width:768px){ .poster .poster-lead{font-size:16px;} }
  .poster-pills{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .poster-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--cream);
    border:1px solid rgba(244,241,234,.34);
    border-radius:999px;
    padding:8px 16px;
    transition:background var(--ease), border-color var(--ease), color var(--ease);
  }
  .poster-pill:hover{
    background:rgba(244,241,234,.14);
    border-color:var(--amber);
    color:#fff;
  }

  /* ---------- 板块 ---------- */
  .section{padding:52px 0;}
  @media (min-width:1024px){ .section{padding:84px 0;} }
  .section-tight{padding:36px 0;}
  @media (min-width:1024px){ .section-tight{padding:52px 0;} }

  .sec-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:16px;
    margin-bottom:26px;
  }
  .sec-title{
    font-size:clamp(23px,2.4vw,34px);
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .sec-title::before{
    content:"";
    display:block;
    width:32px;
    height:3px;
    background:var(--pine);
    border-radius:2px;
    margin-bottom:14px;
  }
  .sec-desc{
    margin-top:12px;
    font-size:15px;
    line-height:1.85;
    color:var(--ink-2);
    max-width:640px;
  }
  .sec-link{
    font-size:14px;
    font-weight:600;
    color:var(--pine);
    text-decoration:underline;
    text-underline-offset:4px;
    text-decoration-thickness:1px;
    transition:color var(--ease), text-decoration-thickness var(--ease);
  }
  .sec-link:hover{color:var(--amber);text-decoration-thickness:2px;}

  /* ---------- 核对大卡 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:768px){
    .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  }
  .check-card{
    display:flex;
    flex-direction:column;
    gap:14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-img);
    padding:24px;
    box-shadow:var(--sh-1);
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
  }
  @media (min-width:1024px){ .check-card{padding:30px;} }
  .check-card:hover{
    transform:translateY(-2px);
    border-color:var(--pine);
    box-shadow:var(--sh-2);
  }
  .check-top{
    display:flex;
    align-items:center;
    gap:14px;
  }
  .check-icon{
    width:46px;height:46px;
    flex:0 0 auto;
    border-radius:12px;
    background:var(--pine-soft);
    color:var(--pine);
    display:grid;
    place-items:center;
    border:1px solid #D3E3DE;
  }
  .check-no{
    font-size:12px;
    letter-spacing:.1em;
    color:var(--ink-2);
    font-variant-numeric:tabular-nums;
  }
  .check-card h3{
    font-size:19px;
    line-height:1.45;
    font-weight:700;
    color:var(--ink);
  }
  .check-card .check-desc{
    font-size:15px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .check-list{
    margin-top:auto;
    display:flex;
    flex-direction:column;
    gap:9px;
    padding-top:16px;
    border-top:1px dashed var(--line);
  }
  .check-list li{
    display:flex;
    align-items:flex-start;
    gap:9px;
    font-size:14px;
    line-height:1.7;
    color:var(--ink);
  }
  .check-list li::before{
    content:"";
    flex:0 0 auto;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--teal);
    margin-top:8px;
  }

  /* ---------- 对照说明表 ---------- */
  .compare{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-img);
    overflow:hidden;
    box-shadow:var(--sh-1);
  }
  .compare-row{
    display:grid;
    grid-template-columns:1fr;
    gap:6px;
    padding:18px 22px;
    border-bottom:1px solid var(--line);
    transition:background var(--ease);
  }
  .compare-row:last-child{border-bottom:0;}
  .compare-row:hover{background:#FBFAF6;}
  @media (min-width:768px){
    .compare-row{grid-template-columns:210px minmax(0,1fr);gap:24px;padding:20px 26px;align-items:start;}
  }
  .compare-term{
    font-size:15px;
    font-weight:700;
    color:var(--pine);
    display:flex;
    align-items:center;
    gap:8px;
  }
  .compare-term i{
    width:6px;height:6px;border-radius:2px;
    background:var(--amber);
    display:block;
    flex:0 0 auto;
  }
  .compare-desc{
    font-size:15px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .compare-note{
    margin-top:14px;
    font-size:13px;
    color:var(--ink-2);
  }

  /* ---------- 图文习惯块 ---------- */
  .habit{
    display:grid;
    grid-template-columns:1fr;
    gap:26px;
    align-items:center;
  }
  @media (min-width:1024px){
    .habit{grid-template-columns:1fr 1.05fr;gap:48px;}
  }
  .habit-media{
    position:relative;
    border-radius:var(--r-img);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--sh-1);
    aspect-ratio:16 / 10;
    background:var(--pine-soft);
  }
  .habit-media img{
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .habit-media .media-tag{
    position:absolute;
    left:14px;
    bottom:14px;
    background:rgba(255,255,255,.94);
    border:1px solid var(--line);
    border-radius:999px;
    padding:6px 14px;
    font-size:12px;
    color:var(--pine);
    font-weight:600;
  }
  .habit-list{
    display:flex;
    flex-direction:column;
    gap:16px;
    margin-top:22px;
  }
  .habit-item{
    display:flex;
    gap:14px;
    align-items:flex-start;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:16px 18px;
    transition:border-color var(--ease), transform var(--ease);
  }
  .habit-item:hover{border-color:var(--pine);transform:translateY(-2px);}
  .habit-no{
    flex:0 0 auto;
    width:28px;height:28px;
    border-radius:50%;
    border:1px solid var(--pine);
    color:var(--pine);
    font-size:13px;
    font-weight:700;
    display:grid;
    place-items:center;
    font-variant-numeric:tabular-nums;
  }
  .habit-item h3{
    font-size:16px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:4px;
  }
  .habit-item p{
    font-size:14px;
    line-height:1.8;
    color:var(--ink-2);
  }

  /* ---------- 隐私说明条 ---------- */
  .privacy-bar{
    display:flex;
    gap:14px;
    align-items:flex-start;
    background:var(--pine-soft);
    border:1px solid #D3E3DE;
    border-radius:var(--r-card);
    padding:18px 20px;
  }
  .privacy-bar .lock{
    flex:0 0 auto;
    width:34px;height:34px;
    border-radius:9px;
    background:#fff;
    color:var(--pine);
    display:grid;place-items:center;
    border:1px solid #D3E3DE;
  }
  .privacy-bar p{
    font-size:12.5px;
    line-height:1.8;
    color:#2C4A47;
  }
  .privacy-bar strong{color:var(--pine);}

  /* ---------- CTA ---------- */
  .cta-block{
    position:relative;
    overflow:hidden;
    background:var(--pine);
    color:var(--cream);
    border-radius:18px;
    padding:32px 22px;
  }
  @media (min-width:768px){ .cta-block{padding:44px 40px;} }
  .cta-block::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(244,241,234,.5) 1.4px, transparent 1.6px);
    background-size:16px 16px;
    opacity:.10;
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:center;
  }
  @media (min-width:1024px){
    .cta-inner{grid-template-columns:1.15fr .85fr;gap:44px;}
  }
  .cta-block h2{
    font-size:clamp(22px,2.6vw,32px);
    line-height:1.3;
    font-weight:800;
    color:#fff;
    letter-spacing:-.01em;
  }
  .cta-block p{
    margin-top:14px;
    font-size:15px;
    line-height:1.9;
    color:rgba(244,241,234,.84);
    max-width:520px;
  }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:24px;
  }
  .cta-actions .btn{min-height:48px;}
  .cta-block .btn-ghost{
    background:transparent;
    color:var(--cream);
    border-color:rgba(244,241,234,.5);
  }
  .cta-block .btn-ghost:hover{
    background:rgba(244,241,234,.14);
    border-color:var(--cream);
    color:#fff;
  }
  .cta-block .btn-primary{
    background:var(--cream);
    color:var(--pine-deep);
  }
  .cta-block .btn-primary:hover{background:#fff;}
  .cta-media{
    border-radius:var(--r-img);
    overflow:hidden;
    border:1px solid rgba(244,241,234,.22);
    aspect-ratio:16 / 10;
    background:rgba(244,241,234,.08);
  }
  .cta-media img{width:100%;height:100%;object-fit:cover;}

  @media (max-width:640px){
    .cta-actions .btn{width:100%;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--pine);
    color:var(--cream);
    margin-top:56px;
    padding:52px 0 26px;
  }
  @media (min-width:1024px){ .site-footer{padding:64px 0 28px;} }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:640px){
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
  }
  .site-footer .brand{color:#fff;}
  .site-footer .brand-hth{color:rgba(244,241,234,.66);}
  .site-footer .brand-cn{color:#fff;}
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.9;
    color:rgba(244,241,234,.72);
    max-width:320px;
  }
  .footer-contact{
    margin-top:14px;
    font-size:13px;
    color:rgba(244,241,234,.6);
  }
  .footer-col h4{
    font-size:13px;
    font-weight:600;
    letter-spacing:.04em;
    color:rgba(244,241,234,.6);
    margin-bottom:16px;
  }
  .footer-col ul{
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .footer-col a{
    font-size:14px;
    color:rgba(244,241,234,.86);
    transition:color var(--ease);
  }
  .footer-col a:hover{color:var(--amber);}
  .footer-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    align-items:center;
    justify-content:space-between;
    font-size:12px;
    color:rgba(244,241,234,.6);
  }
  .to-top{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:rgba(244,241,234,.82);
    font-size:12px;
    transition:color var(--ease);
  }
  .to-top:hover{color:var(--amber);}

  @media (max-width:520px){
    .brand-cn{font-size:15px;}
    .brand-hth{font-size:10px;}
    .nav-top{gap:10px;}
    .nav-right{gap:8px;}
  }