/* roulang page: index */
:root{
  --ink:#123A33;
  --ink-deep:#0E2E29;
  --brick:#C25B3A;
  --brick-deep:#A94A2D;
  --copper:#2E6E6A;
  --cream:#FAF7F2;
  --sand:#F1EBE1;
  --line:#E3DACB;
  --text:#1B1F1D;
  --sub:#5C6660;
  --weak:#8A938D;
  --on-dark:#E9E1D4;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,58,51,.06);
  --sh-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-primary:#123A33;
  --bs-body-bg:#FAF7F2;
  --bs-body-color:#1B1F1D;
  --bs-border-radius:14px;
  --bs-gutter-x:1.5rem;
  --bs-link-color:#2E6E6A;
  --bs-link-hover-color:#C25B3A;
  --bs-font-sans-serif:var(--sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--cream);color:var(--text);
  font-family:var(--sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brick)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brick);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(18,58,51,.10);background:rgba(255,255,255,.94);backdrop-filter:blur(8px)}
.nav-top{display:flex;align-items:center;gap:24px;padding:14px 0 12px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:8px;height:30px;border-radius:2px;background:linear-gradient(180deg,var(--brick),var(--ink));display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--weak);letter-spacing:.06em}
.search-shell{flex:1 1 46%;min-width:220px;max-width:560px;margin:0 auto}
.search-form{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 5px 5px 18px;height:52px;box-shadow:var(--sh-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-form:focus-within{border-color:var(--brick);box-shadow:0 6px 20px rgba(18,58,51,.12)}
.search-form svg{flex:0 0 19px;color:var(--copper)}
.search-input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:0;font-size:15.5px;color:var(--text)}
.search-input::placeholder{color:var(--weak)}
.search-btn{
  flex:0 0 auto;height:42px;padding:0 22px;border:0;border-radius:999px;
  background:var(--ink);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{background:var(--brick);transform:translateY(-1px)}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid var(--line);color:var(--ink);font-size:15px;font-weight:600;background:#fff;
  transition:all .2s var(--ease);
}
.nav-cta:hover{background:var(--sand);border-color:var(--brick);color:var(--brick)}
.nav-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 0 12px;border-top:1px solid rgba(18,58,51,.07);padding-top:10px;flex-wrap:wrap;
}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-link-item{
  display:inline-flex;align-items:center;height:38px;padding:0 13px;border-radius:8px;
  font-size:14.5px;color:var(--sub);font-weight:500;transition:all .2s var(--ease);
}
.nav-link-item:hover{background:var(--sand);color:var(--ink)}
.nav-link-item.active{background:var(--ink);color:#fff}
.nav-link-item.active:hover{background:var(--ink);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;font-size:13px;padding:5px 12px;border-radius:var(--r-badge);
  background:var(--sand);color:var(--sub);border:1px solid var(--line);transition:all .2s var(--ease);
}
.chip:hover{background:var(--brick);border-color:var(--brick);color:#fff}
.nav-toggle,.mobile-search-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover,.mobile-search-toggle:hover{background:var(--sand)}
.mobile-search{display:none;padding:0 0 14px}
.mobile-search.is-open{display:block}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:1080;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:-10px 0 40px rgba(18,58,51,.18);padding:22px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,58,51,.45);z-index:1070;opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head strong{font-family:var(--serif);font-size:18px;color:var(--ink)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--ink)}
.drawer-nav a{display:block;padding:13px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--brick)}
.drawer-nav a.active{color:var(--brick);font-weight:600}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px}

/* ---------- buttons ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;
  padding:12px 26px;border-radius:var(--r-btn);font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-solid{background:var(--brick);color:#fff}
.btn-solid:hover{background:var(--brick-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;color:var(--on-dark);border-color:rgba(233,225,212,.55)}
.btn-outline:hover{background:rgba(233,225,212,.14);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-line:hover{background:var(--sand);border-color:var(--brick);color:var(--brick);transform:translateY(-2px)}
.link-more{color:var(--brick);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease)}
.link-more:hover{gap:11px;color:var(--brick-deep)}
.arrow-link{color:var(--copper);font-weight:600;display:inline-flex;align-items:center;gap:4px;font-size:13.5px}
.arrow-link:hover{color:var(--brick)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);display:flex;align-items:center;padding:72px 0;min-height:clamp(520px,68vh,720px)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.34}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(18,58,51,.88),rgba(18,58,51,.72)),
    repeating-linear-gradient(90deg,rgba(233,225,212,.09) 0 1px,transparent 1px 84px),
    repeating-linear-gradient(0deg,rgba(233,225,212,.09) 0 1px,transparent 1px 84px);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:52px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
  background:rgba(194,91,58,.24);border:1px solid rgba(194,91,58,.55);color:#F3E6DC;
  padding:6px 13px;border-radius:var(--r-badge);margin-bottom:20px;
}
.hero-title{font-family:var(--serif);font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.01em;font-weight:700;color:#fff;margin-bottom:16px}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(233,225,212,.88);margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;border-top:1px solid rgba(233,225,212,.22);padding-top:20px}
.hero-stat{flex:1 1 130px;padding:0 18px 0 0;margin-right:18px;border-right:1px solid rgba(233,225,212,.18)}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stat b{display:block;font-family:var(--serif);font-size:22px;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stat span{font-size:13px;color:rgba(233,225,212,.72);line-height:1.6;display:block}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:0 24px 56px rgba(0,0,0,.34)}
.hero-media::before{
  content:"";position:absolute;right:-16px;top:-16px;width:96px;height:96px;
  border-top:3px solid rgba(194,91,58,.75);border-right:3px solid rgba(194,91,58,.75);border-radius:0 12px 0 0;
}
.hero-media::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:72px;height:72px;border-radius:50%;
  border:1px solid rgba(233,225,212,.24);
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--sand)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);line-height:1.35;letter-spacing:-.01em;color:var(--ink);margin-bottom:10px;font-weight:700}
.section-lead{color:var(--sub);font-size:16px;max-width:760px;margin:0}
.eyebrow{font-size:13px;letter-spacing:.1em;color:var(--copper);text-transform:uppercase;margin-bottom:10px;display:block}

/* ---------- search band ---------- */
.search-band{padding:56px 0;background:var(--cream)}
.band-search{max-width:780px;margin:0 auto;text-align:center}
.band-search h2{font-family:var(--serif);font-size:clamp(20px,2.2vw,26px);color:var(--ink);margin-bottom:10px}
.band-search p{color:var(--sub);font-size:15.5px;margin-bottom:24px}
.band-search .search-form{height:58px;padding-left:22px}
.band-search .search-btn{height:46px}
.band-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}

/* ---------- topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.topic-card{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.topic-card:hover .card-cover img{transform:scale(1.04)}
.topic-card:hover .card-title{color:var(--brick)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sand)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease)}
.card-badge{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(250,247,242,.94);color:var(--brick);border:1px solid rgba(194,91,58,.28);
}
.card-cover .card-badge{position:absolute;left:12px;top:12px;z-index:2}
.card-index{
  position:absolute;left:14px;bottom:10px;z-index:2;
  font-family:var(--serif);font-size:26px;font-weight:700;color:#fff;line-height:1;
  font-variant-numeric:tabular-nums;text-shadow:0 2px 12px rgba(0,0,0,.55);
}
.card-cover::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(180deg,transparent,rgba(18,58,51,.55))}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-family:var(--serif);font-size:19px;line-height:1.45;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-text{
  font-size:14.5px;line-height:1.8;color:var(--sub);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:14px 20px;border-top:1px dashed var(--line);font-size:13px;color:var(--weak);
}
.card-time{font-variant-numeric:tabular-nums}
.grid-actions{display:flex;justify-content:center;margin-top:40px}

/* ---------- feature list ---------- */
.feature-list{display:grid;gap:20px}
.feature-item{
  display:grid;grid-template-columns:320px minmax(0,1fr);gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-item:hover .card-title{color:var(--brick)}
.feature-media{overflow:hidden;border-radius:var(--r-img);background:var(--sand)}
.feature-media img{width:100%;height:200px;object-fit:cover;transition:transform .42s var(--ease)}
.feature-item:hover .feature-media img{transform:scale(1.04)}
.feature-body{display:flex;flex-direction:column;gap:10px;padding-right:8px}
.feature-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--weak)}
.feature-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;justify-content:space-between;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-card:hover .news-title a{color:var(--brick)}
.news-card-body{padding:22px 22px 16px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-family:var(--serif);font-size:18px;line-height:1.5;font-weight:700;color:var(--ink)}
.news-title a{transition:color .2s var(--ease)}
.news-text{
  font-size:14.5px;line-height:1.8;color:var(--sub);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--sub);text-align:center;
}
.empty-state svg{color:rgba(18,58,51,.2)}
.empty-state p{font-size:15.5px;color:var(--sub)}

/* ---------- reco ---------- */
.reco-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.reco-card{
  display:flex;gap:14px;align-items:flex-start;background:transparent;
  border:1px solid var(--line);border-radius:var(--r-card);padding:16px;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.reco-card:hover{border-color:var(--brick);background:#fff}
.reco-card img{width:76px;height:76px;object-fit:cover;border-radius:10px;background:var(--sand);flex:0 0 76px}
.reco-body h3{font-family:var(--serif);font-size:16px;line-height:1.45;color:var(--ink);margin-bottom:6px;font-weight:700}
.reco-card:hover .reco-body h3{color:var(--brick)}
.reco-body p{font-size:13.5px;color:var(--weak);line-height:1.7}

/* ---------- share band ---------- */
.share-band{
  display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;
  background:var(--sand);border:1px solid var(--line);border-left:4px solid var(--brick);
  border-radius:var(--r-card);padding:30px 32px;
}
.share-band h2{font-family:var(--serif);font-size:22px;color:var(--ink);margin-bottom:8px}
.share-band p{color:var(--sub);font-size:15px;max-width:520px}
.share-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.fav-toggle{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:600;font-size:15px;cursor:pointer;
  transition:all .22s var(--ease);
}
.fav-toggle:hover{border-color:var(--brick);color:var(--brick);transform:translateY(-2px)}
.fav-toggle.is-on{background:var(--brick);border-color:var(--brick);color:#fff}
.copy-box{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;min-width:270px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
}
.copy-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13.5px;color:var(--sub)}

/* ---------- stats band ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-cell{padding:30px 22px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-num{font-family:var(--serif);font-size:clamp(28px,3vw,40px);line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums;font-weight:700}
.stat-num i{font-style:normal;font-size:18px;color:var(--copper);margin-left:3px}
.stat-cap{font-size:14px;color:var(--sub);margin-top:8px;line-height:1.7}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.acc .accordion-item:first-of-type{border-top:1px solid var(--line)}
.acc .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);
  padding:22px 4px;display:flex;align-items:center;gap:16px;
}
.acc .accordion-button:not(.collapsed){color:var(--brick);background:transparent;box-shadow:none}
.acc .accordion-button::after{display:none}
.acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brick);outline-offset:2px}
.acc .accordion-body{padding:0 60px 24px 4px;color:var(--sub);font-size:15.5px;line-height:1.9}
.plus{position:relative;flex:0 0 18px;width:18px;height:18px;margin-left:auto}
.plus::before,.plus::after{content:"";position:absolute;background:var(--brick);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.plus::before{left:0;top:8px;width:18px;height:2px}
.plus::after{left:8px;top:0;width:2px;height:18px}
.accordion-button:not(.collapsed) .plus::after{transform:rotate(90deg);opacity:0}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--brick);padding-left:14px}

/* ---------- subscribe ---------- */
.subscribe{background:var(--ink);color:var(--on-dark);padding:72px 0}
.subscribe-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
.subscribe h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:12px;line-height:1.4}
.subscribe p{font-size:15.5px;color:rgba(233,225,212,.8);line-height:1.85}
.subscribe-list{margin-top:20px;display:grid;gap:10px}
.subscribe-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(233,225,212,.82)}
.subscribe-list svg{flex:0 0 16px;margin-top:7px;color:var(--brick)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;color:rgba(233,225,212,.78);margin-bottom:8px}
.form-field input,.form-field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(250,247,242,.08);border:1px solid rgba(233,225,212,.24);
  color:#fff;font-size:15px;font-family:var(--sans);outline:0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.75}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(233,225,212,.45)}
.form-field input:focus,.form-field textarea:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(194,91,58,.22)}
.form-note{font-size:13px;color:rgba(233,225,212,.6);margin-top:12px;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:var(--on-dark);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(233,225,212,.6)}
.footer-brand p{margin-top:16px;font-size:14.5px;color:rgba(233,225,212,.72);line-height:1.85;max-width:340px}
.footer-col h3{font-family:var(--serif);font-size:16px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col span{display:block;font-size:14.5px;color:rgba(233,225,212,.76);padding:5px 0;line-height:1.7}
.footer-col a:hover{color:var(--brick)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(233,225,212,.16);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(233,225,212,.6);
}
.footer-bottom a{color:rgba(233,225,212,.72)}
.footer-bottom a:hover{color:var(--brick)}
.back-top{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(233,225,212,.24);background:transparent;color:var(--on-dark);font-size:13.5px;cursor:pointer;
  transition:all .2s var(--ease);
}
.back-top:hover{border-color:var(--brick);color:var(--brick)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-top .search-shell,.nav-cta,.nav-bottom{display:none}
  .nav-toggle,.mobile-search-toggle{display:inline-flex}
  .nav-top{justify-content:space-between;gap:12px}
  .hero{padding:56px 0;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .hero-sub{max-width:none}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-band{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stat-cell:nth-child(3n){border-right:0}
  .subscribe-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .feature-item{grid-template-columns:1fr;gap:18px;padding:16px}
  .feature-media img{height:200px}
  .reco-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr 1fr}
  .stat-cell{border-right:1px solid var(--line)}
  .stat-cell:nth-child(2n){border-right:0}
  .form-row{grid-template-columns:1fr}
  .share-band{padding:24px 20px}
  .copy-box{min-width:0;width:100%}
  .search-btn{padding:0 16px}
}
@media (max-width:575px){
  .topic-grid,.news-grid{grid-template-columns:1fr}
  .hero-actions .btn-c{width:100%}
  .hero-stat{flex:1 1 100%;border-right:0;margin-right:0;padding-right:0;padding-bottom:12px;border-bottom:1px solid rgba(233,225,212,.16);margin-bottom:12px}
  .hero-stat:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .brand-text strong{font-size:18px}
  .section{padding:56px 0}
  .acc .accordion-body{padding-right:8px}
}
@media (min-width:992px){
  .mobile-search,.mobile-drawer,.drawer-mask{display:none!important}
}

/* roulang page: article */
:root{
  --ink:#123A33;
  --ink-2:#0D2C27;
  --accent:#C25B3A;
  --accent-2:#A8492C;
  --teal:#2E6E6A;
  --bg:#FAF7F2;
  --bg-alt:#F1EBE1;
  --line:#E3DACB;
  --hair:rgba(18,58,51,.10);
  --text:#1B1F1D;
  --text-2:#5C6660;
  --text-3:#8A938D;
  --on-dark:#E9E1D4;
  --ok:#2F7D5A;
  --warn:#B8860B;
  --r-lg:14px;
  --r-md:12px;
  --r-sm:10px;
  --r-xs:6px;
  --sh-1:0 1px 2px rgba(18,58,51,.06);
  --sh-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --bs-primary:#123A33;
  --bs-body-bg:#FAF7F2;
  --bs-body-color:#1B1F1D;
  --bs-border-color:#E3DACB;
  --bs-border-radius:.875rem;
  --bs-gutter-x:1.5rem;
  --bs-font-sans-serif:var(--sans);
  --bs-link-color:#2E6E6A;
  --bs-link-hover-color:#C25B3A;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);}
h1{font-size:clamp(26px,3.6vw,40px);line-height:1.28;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;}
h3{font-size:clamp(18px,1.7vw,22px);line-height:1.45;}
p{margin:0 0 1.1em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
.row{--bs-gutter-x:24px;}

/* ---------- HEADER / NAV ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--ink);
  border-bottom:1px solid rgba(233,225,212,.14);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(13,44,39,.28);background:rgba(13,44,39,.94);backdrop-filter:blur(10px);}
.nav-top{
  display:flex;align-items:center;gap:24px;
  min-height:78px;padding:12px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:14px;height:26px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent) 0 46%,var(--on-dark) 46% 100%);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{
  font-family:var(--serif);font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em;
}
.brand-text em{font-style:normal;font-size:11.5px;color:rgba(233,225,212,.68);letter-spacing:.06em;}
.nav-search{flex:1 1 auto;max-width:560px;}
.search-shell{
  display:flex;align-items:center;gap:8px;
  background:#fff;border-radius:999px;
  padding:5px 6px 5px 16px;
  box-shadow:inset 0 0 0 1px rgba(18,58,51,.10);
}
.search-shell svg{flex:0 0 auto;color:var(--teal);}
.search-shell input{
  flex:1 1 auto;border:0;background:transparent;height:42px;font-size:15px;color:var(--text);
  min-width:0;
}
.search-shell input::placeholder{color:var(--text-3);}
.search-shell input:focus{outline:none;}
.search-btn{
  border:0;border-radius:999px;background:var(--accent);color:#fff;
  font-size:14.5px;font-weight:600;padding:10px 22px;transition:background .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{background:var(--accent-2);transform:translateY(-1px);}
.hotwords{display:flex;flex-wrap:wrap;gap:8px;padding:0 0 12px;}
.hotword{
  font-size:13px;color:rgba(233,225,212,.9);
  background:rgba(233,225,212,.12);
  border:1px solid rgba(233,225,212,.16);
  border-radius:var(--r-xs);padding:3px 10px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.hotword:hover{background:rgba(194,91,58,.9);color:#fff;}
.nav-right{display:flex;align-items:center;gap:20px;flex:1 1 auto;justify-content:flex-end;}
.nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.nav-link-item{
  font-size:14.5px;color:rgba(233,225,212,.82);padding:6px 2px;
  border-bottom:2px solid transparent;white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link-item:hover{color:#fff;border-bottom-color:rgba(194,91,58,.7);}
.nav-link-item.active{color:#fff;border-bottom-color:var(--accent);}
.nav-cta{
  font-size:14px;color:var(--on-dark);border:1px solid rgba(233,225,212,.34);
  border-radius:var(--r-sm);padding:9px 16px;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-cta:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);}
.nav-toggle{
  display:none;background:transparent;border:1px solid rgba(233,225,212,.34);
  border-radius:var(--r-sm);width:44px;height:44px;align-items:center;justify-content:center;color:var(--on-dark);
}
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:var(--ink-2);
  transform:translateX(102%);transition:transform .26s var(--ease);
  z-index:1060;padding:24px 22px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,44,39,.5);opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease);z-index:1055;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{background:transparent;border:1px solid rgba(233,225,212,.3);color:var(--on-dark);border-radius:var(--r-sm);width:40px;height:40px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin:18px 0;}
.drawer-links a{
  color:rgba(233,225,212,.88);font-size:15.5px;padding:13px 4px;border-bottom:1px solid rgba(233,225,212,.12);
}
.drawer-links a.active{color:var(--accent);}
.drawer-search{background:#fff;border-radius:999px;display:flex;align-items:center;padding:4px 6px 4px 14px;gap:8px;}

/* ---------- BREADCRUMB ---------- */
.crumb-bar{padding:20px 0 0;background:var(--bg);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- ARTICLE HEAD ---------- */
.article-head{padding:24px 0 8px;}
.cat-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.04em;
  color:var(--accent);background:rgba(194,91,58,.12);
  border-radius:var(--r-xs);padding:4px 10px;margin-bottom:16px;
}
.article-head h1{margin:0 0 18px;max-width:24ch;}
.lede{
  max-width:820px;border-left:3px solid var(--accent);padding-left:16px;
  font-size:16px;color:var(--text-2);line-height:1.8;margin:0 0 22px;
}
.meta-row{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:14px 0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  font-size:13.5px;color:var(--text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.meta-row .meta-item strong{color:var(--text-2);font-weight:600;}
.share-set{display:flex;align-items:center;gap:8px;margin-left:auto;}
.share-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--teal);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.share-btn:hover{background:var(--ink);color:var(--on-dark);border-color:var(--ink);transform:translateY(-2px);}
.share-btn.saved{background:var(--accent);border-color:var(--accent);color:#fff;}

/* ---------- COVER ---------- */
.cover-figure{margin:28px 0 0;}
.cover-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);
  background:var(--bg-alt);box-shadow:var(--sh-1);
}
.cover-figure figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;
}

/* ---------- LAYOUT ---------- */
.layout{padding:48px 0 0;}
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}

/* ---------- ARTICLE BODY ---------- */
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);margin:44px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:21px;margin:32px 0 12px;color:var(--ink);}
.article-body p{margin:0 0 1.15em;}
.article-body a{border-bottom:1px solid rgba(46,110,106,.35);}
.article-body a:hover{border-bottom-color:var(--accent);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body li{margin-bottom:.5em;line-height:1.9;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--bg-alt);
  border-left:3px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:16.5px;
}
.article-body img{border-radius:var(--r-md);margin:24px auto;background:var(--bg-alt);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;}
.article-body thead th{background:var(--ink);color:var(--on-dark);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(odd){background:var(--bg-alt);}
.article-body tbody tr:hover{background:rgba(227,218,203,.6);}
.article-body pre{
  background:var(--ink);color:var(--on-dark);border-radius:var(--r-sm);
  padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;
  background:rgba(46,110,106,.10);color:var(--ink);padding:2px 6px;border-radius:4px;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--hair);margin:36px 0;}

/* ---------- EMPTY ---------- */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{color:rgba(18,58,51,.2);margin-bottom:16px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* ---------- SIDEBAR ---------- */
.side-col{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h2,.side-card h3{
  font-size:15px;letter-spacing:.04em;margin:0 0 14px;padding-bottom:10px;
  border-bottom:1px solid var(--hair);color:var(--ink);
}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);line-height:1.6;
  padding:6px 0 6px 12px;border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.toc-list a:hover,.toc-list a.current{color:var(--accent);border-left-color:var(--accent);padding-left:14px;}
.mini-list{list-style:none;margin:0;padding:0;}
.mini-list li{padding:11px 0;border-bottom:1px dashed var(--line);}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list a{font-size:14.5px;line-height:1.55;color:var(--text);display:block;}
.mini-list a:hover{color:var(--accent);}
.mini-list .mini-meta{display:block;font-size:12.5px;color:var(--text-3);margin-top:5px;font-variant-numeric:tabular-nums;}
.copy-field{
  display:flex;align-items:center;gap:8px;margin-top:12px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 14px;
}
.copy-field input{
  flex:1 1 auto;border:0;background:transparent;font-size:13px;color:var(--text-2);min-width:0;
}
.copy-field input:focus{outline:none;}
.copy-field span{
  font-size:12.5px;color:var(--teal);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;white-space:nowrap;
}
.save-toggle{
  width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:var(--r-sm);padding:10px 14px;font-size:14.5px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.save-toggle[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff;}
.cta-card{background:var(--ink);border-color:var(--ink);color:var(--on-dark);}
.cta-card h2{color:#fff;border-bottom-color:rgba(233,225,212,.18);}
.cta-card p{font-size:14.5px;color:rgba(233,225,212,.82);margin-bottom:16px;}
.cta-card .btn-accent{width:100%;justify-content:center;}

/* ---------- BUTTONS ---------- */
.btn-solid,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  border-radius:var(--r-sm);padding:12px 24px;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-solid{background:var(--ink);color:#fff;}
.btn-solid:hover{background:var(--ink-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:var(--bg-alt);border-color:var(--line);color:var(--ink);transform:translateY(-2px);}
.btn-text{background:transparent;color:var(--accent);padding:6px 0;}
.btn-text svg{transition:transform .2s var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}

/* ---------- SECTIONS ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.sec-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.08em;color:var(--accent);
  background:rgba(194,91,58,.12);border-radius:var(--r-xs);padding:4px 10px;margin-bottom:14px;
}
.sec-title{margin:0 0 12px;}
.sec-desc{color:var(--text-2);font-size:16px;margin:0;}

/* ---------- TAGS ---------- */
.tag-block{padding:36px 0 0;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:13px;color:var(--teal);background:rgba(46,110,106,.10);
  border:1px solid rgba(46,110,106,.16);border-radius:var(--r-xs);padding:5px 12px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--teal);color:#fff;}

/* ---------- POST NAV ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px;}
.post-nav-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(194,91,58,.35);}
.post-nav-card span{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:8px;letter-spacing:.04em;}
.post-nav-card strong{font-family:var(--serif);font-size:17px;color:var(--ink);font-weight:700;line-height:1.5;display:block;}

/* ---------- RELATED CARDS ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(194,91,58,.35);}
.info-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.info-card:hover .thumb img{transform:scale(1.04);}
.info-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.badge-cat{
  align-self:flex-start;font-size:12px;letter-spacing:.04em;color:var(--accent);
  background:rgba(194,91,58,.12);border-radius:var(--r-xs);padding:3px 9px;margin-bottom:12px;
}
.info-card h3{font-size:18px;margin:0 0 10px;line-height:1.5;}
.info-card h3 a{color:var(--ink);}
.info-card:hover h3 a{color:var(--accent);}
.info-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin:0 0 18px;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line) !important;border-radius:var(--r-lg) !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  background:#fff;color:var(--ink);font-family:var(--serif);font-weight:700;font-size:17px;
  padding:20px 24px;box-shadow:none !important;border-radius:var(--r-lg) !important;
}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button::before{
  content:"";width:14px;height:14px;margin-right:14px;flex:0 0 auto;
  background:
    linear-gradient(var(--accent),var(--accent)) center/14px 2px no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/2px 14px no-repeat;
  transition:transform .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--accent);box-shadow:inset 3px 0 0 var(--accent) !important;}
.faq-acc .accordion-button:not(.collapsed)::before{transform:rotate(45deg);}
.faq-acc .accordion-body{padding:0 24px 22px 52px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- CTA BAND ---------- */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;padding:52px 48px;
  background-image:linear-gradient(rgba(18,58,51,.86),rgba(18,58,51,.86)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;color:var(--on-dark);
}
.cta-band h2{color:#fff;margin:0 0 12px;font-size:clamp(22px,2.4vw,30px);}
.cta-band p{color:rgba(233,225,212,.86);max-width:60ch;margin-bottom:26px;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;border-color:rgba(233,225,212,.5);color:var(--on-dark);}
.cta-band .btn-ghost:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);}

/* ---------- FOOTER CTA ---------- */
.footer-cta{background:var(--bg-alt);border-top:1px solid var(--line);padding:56px 0;}
.footer-cta-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;}
.footer-cta h2{font-size:clamp(21px,2.3vw,28px);margin:0 0 10px;}
.footer-cta p{color:var(--text-2);margin:0;font-size:15.5px;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;height:48px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 16px;font-size:15px;color:var(--text);
}
.subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(194,91,58,.12);}
.form-note{font-size:12.5px;color:var(--text-3);width:100%;margin-top:4px;}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 32px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:rgba(233,225,212,.72);font-size:14.5px;line-height:1.8;margin-top:16px;max-width:36ch;}
.site-footer .brand-text strong{color:#fff;}
.footer-col h3{
  font-family:var(--sans);font-size:13px;letter-spacing:.1em;color:rgba(233,225,212,.6);
  margin:0 0 16px;font-weight:600;
}
.footer-col a,.footer-col span{display:block;color:rgba(233,225,212,.84);font-size:14.5px;margin-bottom:10px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(233,225,212,.15);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(233,225,212,.6);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(233,225,212,.3);color:var(--on-dark);
  border-radius:var(--r-sm);padding:9px 16px;font-size:13.5px;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.back-top:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1199.98px){
  .nav-search{max-width:420px;}
  .nav-links{gap:14px;}
  .nav-link-item{font-size:14px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-search.mobile-open{display:block;flex:1 1 100%;max-width:none;order:3;}
  .nav-top{flex-wrap:wrap;gap:14px;}
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .side-col{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-cta-grid{grid-template-columns:1fr;gap:24px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:64px 0;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .article-head h1{max-width:none;}
  .cta-band{padding:36px 24px;border-radius:16px;}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .meta-row{gap:12px;}
  .share-set{margin-left:0;width:100%;}
  .layout{padding-top:32px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn-solid,.btn-ghost,.btn-accent{width:100%;justify-content:center;}
  .cta-band .actions{flex-direction:column;}
  .subscribe-form input{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --ink:#123A33;
  --ink-deep:#0C2A25;
  --clay:#C25B3A;
  --clay-dark:#A8482A;
  --copper:#2E6E6A;
  --bg:#FAF7F2;
  --bg-alt:#F1EBE1;
  --line:#E3DACB;
  --line-soft:rgba(18,58,51,.10);
  --t1:#1B1F1D;
  --t2:#5C6660;
  --t3:#8A938D;
  --on-dark:#E9E1D4;
  --ok:#2F7D5A;
  --warn:#B8860B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,58,51,.06);
  --sh-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-body-bg:var(--bg);
  --bs-body-color:var(--t1);
  --bs-primary:#123A33;
  --bs-border-radius:14px;
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:var(--copper);
  --bs-link-hover-color:var(--clay);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--copper);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--clay)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}

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

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-text,.search-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-btn);
  padding:15px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-main{background:var(--clay);color:#fff;box-shadow:var(--sh-1)}
.btn-main:hover{background:var(--clay-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-alt);color:var(--ink);transform:translateY(-2px)}
.btn-ghost.on-dark{background:transparent;color:var(--on-dark);border-color:rgba(233,225,212,.45)}
.btn-ghost.on-dark:hover{background:rgba(233,225,212,.14);color:#fff}
.btn-text{background:none;border:0;padding:6px 0;color:var(--clay);font-size:15px}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(250,247,242,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(8px);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,58,51,.10);background:rgba(250,247,242,.92)}
.header-inner{padding-block:14px 10px}
.header-top{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:22px;height:22px;border-radius:5px;background:var(--ink);position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:6px;height:6px;background:var(--clay);border-radius:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--font-serif);font-size:19px;color:var(--ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:.06em;margin-top:2px}

.nav-search{
  position:relative;flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;height:50px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding-left:18px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--clay);box-shadow:0 0 0 4px rgba(194,91,58,.10)}
.nav-search svg{flex-shrink:0;color:var(--copper)}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--t1);padding:0 12px;min-width:0;
}
.nav-search input::placeholder{color:var(--t3)}
.search-btn{
  height:38px;padding:0 20px;margin-right:6px;border-radius:999px;
  background:var(--ink);color:var(--on-dark);font-size:14px;
}
.search-btn:hover{background:var(--clay);color:#fff}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.btn-contact{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border:1px solid var(--ink);border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;color:var(--ink);background:#fff;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.btn-contact:hover{background:var(--ink);color:var(--on-dark)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.header-bottom{display:flex;align-items:center;gap:20px;margin-top:10px;flex-wrap:wrap}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-link-item{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  font-size:14.5px;color:var(--t2);border-radius:8px;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-link-item:hover{background:var(--bg-alt);color:var(--ink)}
.nav-link-item.active{background:var(--ink);color:var(--on-dark);font-weight:600}
.hot-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.hot-chips span{font-size:12.5px;color:var(--t3);letter-spacing:.04em}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-badge);
  font-size:12.5px;color:var(--copper);letter-spacing:.03em;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:var(--clay);border-color:var(--clay);color:#fff}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1055;background:var(--bg);
  transform:translateX(100%);transition:transform .3s var(--ease);
  overflow-y:auto;padding:24px 20px 48px;display:none;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:20px;color:var(--ink);cursor:pointer}
.drawer-search{display:flex;align-items:center;height:50px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 16px;margin-bottom:22px}
.drawer-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;padding:0 10px;min-width:0}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15.5px;color:var(--ink);
}
.drawer-nav a.active{background:var(--ink);color:var(--on-dark);border-color:var(--ink)}
.drawer-cta{width:100%}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:
    repeating-linear-gradient(90deg,rgba(233,225,212,.07) 0 1px,transparent 1px 108px),
    linear-gradient(104deg,rgba(12,42,37,.95) 0%,rgba(18,58,51,.86) 52%,rgba(46,110,106,.80) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:auto,auto,cover;
  background-position:center,center,center;
  color:var(--on-dark);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;
  border:1px solid rgba(233,225,212,.16);border-radius:50%;
}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(233,225,212,.66);
  margin-bottom:26px;position:relative;z-index:2;
}
.breadcrumb-nav a{color:rgba(233,225,212,.66)}
.breadcrumb-nav a:hover{color:#fff}
.breadcrumb-nav em{font-style:normal;color:rgba(233,225,212,.9);max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-title{
  position:relative;z-index:2;color:#fff;
  font-size:clamp(28px,4vw,46px);line-height:1.25;margin-bottom:16px;
}
.hero-title-sub{
  display:block;margin-top:12px;font-family:var(--font-sans);
  font-size:clamp(15px,1.7vw,19px);font-weight:400;letter-spacing:0;
  color:rgba(233,225,212,.88);
}
.hero-lead{
  position:relative;z-index:2;max-width:640px;font-size:16.5px;line-height:1.85;
  color:rgba(233,225,212,.9);margin-bottom:24px;
}
.hero-chips{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:8px}
.hero-chips .chip{
  background:rgba(233,225,212,.12);border-color:rgba(233,225,212,.24);color:var(--on-dark);
}
.hero-chips .chip:hover{background:var(--clay);border-color:var(--clay);color:#fff}

/* ---------- 主体布局 ---------- */
.section{padding:76px 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:40px}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:14px}
.sec-desc{font-size:16px;color:var(--t2);margin:0}

.layout{display:grid;grid-template-columns:296px minmax(0,1fr);gap:40px;align-items:start}
.sidebar{position:sticky;top:172px;display:flex;flex-direction:column;gap:20px}
.side-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-title{
  font-size:16px;margin-bottom:16px;padding-bottom:12px;
  border-bottom:1px solid var(--line-soft);display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:3px;height:15px;background:var(--clay);border-radius:2px}
.side-list li + li{margin-top:4px}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;
  font-size:14.5px;color:var(--t2);transition:background-color .2s var(--ease),color .2s var(--ease);
}
.side-list a:hover{background:var(--bg-alt);color:var(--ink)}
.side-num{font-family:var(--font-serif);font-size:13px;color:var(--clay);font-variant-numeric:tabular-nums}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list .chip{cursor:pointer}

/* ---------- 专题卡网格 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.topic-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8CDBA}
.topic-media{position:relative;aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.topic-card:hover .topic-media img{transform:scale(1.04)}
.card-num{
  position:absolute;left:14px;bottom:10px;font-family:var(--font-serif);
  font-size:30px;line-height:1;color:#fff;text-shadow:0 2px 10px rgba(12,42,37,.5);
  font-variant-numeric:tabular-nums;
}
.card-badge{
  position:absolute;left:14px;top:14px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:var(--r-badge);font-size:12px;letter-spacing:.04em;
  background:rgba(194,91,58,.14);color:var(--clay-dark);border:1px solid rgba(194,91,58,.24);
  backdrop-filter:blur(4px);
}
.card-badge.copper{background:rgba(46,110,106,.14);color:var(--copper);border-color:rgba(46,110,106,.26)}
.card-badge.ink{background:rgba(18,58,51,.14);color:var(--ink);border-color:rgba(18,58,51,.24)}
.topic-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1}
.topic-title{
  font-size:18px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.topic-card:hover .topic-title{color:var(--clay)}
.topic-desc{
  font-size:14.5px;line-height:1.8;color:var(--t2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-foot{
  display:flex;align-items:center;gap:10px;margin-top:auto;
  padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:12.5px;color:var(--t3);
}
.topic-foot time{font-variant-numeric:tabular-nums}
.topic-foot .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.topic-foot .arrow{margin-left:auto;color:var(--clay);display:inline-flex}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.prep-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.prep-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.prep-icon{
  width:40px;height:40px;border-radius:10px;background:var(--bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--copper);margin-bottom:16px;
}
.prep-item h3{font-size:17.5px;margin-bottom:8px}
.prep-item p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:0}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;margin-top:8px}
.flow-step{position:relative;padding:0 22px 0 0}
.flow-step::before{
  content:"";position:absolute;left:0;top:19px;width:100%;height:1px;background:var(--line);
}
.flow-step:last-child::before{display:none}
.flow-dot{
  position:relative;z-index:2;width:38px;height:38px;border-radius:50%;
  background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:15px;color:var(--clay);font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.flow-step:hover .flow-dot{background:var(--clay);color:#fff;border-color:var(--clay)}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:0}

/* ---------- 对照处理卡 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.guard-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--copper);
  border-radius:var(--r-card);padding:24px 24px 22px;box-shadow:var(--sh-1);
  transition:border-left-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.guard-card:hover{border-left-color:var(--clay);box-shadow:var(--sh-2);transform:translateY(-3px)}
.guard-card h3{font-size:17.5px;margin-bottom:10px}
.guard-card p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:0 0 14px}
.guard-card ul li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--t2);line-height:1.9;
}
.guard-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--clay);
}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--ink);color:var(--on-dark);padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.stat-item{padding:0 28px;border-left:1px solid rgba(233,225,212,.18)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  font-family:var(--font-serif);font-size:clamp(30px,3.4vw,42px);line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.stat-num em{font-style:normal;font-size:16px;color:var(--on-dark);opacity:.7;margin-left:4px}
.stat-item p{font-size:14.5px;color:rgba(233,225,212,.78);line-height:1.8;margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-acc .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line-soft);
}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line-soft)}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border:0;
  font-family:var(--font-serif);font-weight:700;font-size:18px;color:var(--ink);
  padding:22px 52px 22px 4px;line-height:1.6;
  transition:color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--ink);background:transparent;
  box-shadow:inset 3px 0 0 var(--clay);
  padding-left:18px;
}
.faq-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--clay);outline:none}
.faq-acc .accordion-button::after{
  width:18px;height:18px;background-size:18px;background-position:center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C25B3A' stroke-width='2.2' stroke-linecap='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  transition:transform .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C25B3A' stroke-width='2.2' stroke-linecap='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
}
.faq-acc .accordion-body{
  font-size:15px;color:var(--t2);line-height:1.9;padding:0 52px 24px 4px;
}
.faq-acc .accordion-collapse.show .accordion-body{padding-left:18px;border-left:0}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(100deg,var(--ink) 0%,#174A41 58%,var(--copper) 100%);
  border-radius:18px;padding:44px 44px;color:var(--on-dark);
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,27px);line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(233,225,212,.82);margin:0;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap}
.copy-box{
  display:flex;align-items:center;height:48px;background:rgba(233,225,212,.12);
  border:1px solid rgba(233,225,212,.26);border-radius:var(--r-btn);padding:0 16px;gap:10px;
}
.copy-box input{
  width:210px;border:0;background:transparent;color:var(--on-dark);font-size:13.5px;
  outline:none;min-width:0;
}
.copy-box span{font-size:12px;color:rgba(233,225,212,.6)}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8CDBA}
.related-card .idx{
  font-family:var(--font-serif);font-size:13px;color:var(--clay);
  letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.related-card h3{font-size:18px;margin:12px 0 10px}
.related-card p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:0 0 14px}
.related-card .go{font-size:14px;color:var(--copper);display:inline-flex;align-items:center;gap:6px}
.related-card:hover .go{color:var(--clay)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:0 0 28px;margin-top:0}
.footer-subscribe{
  border-bottom:1px solid rgba(233,225,212,.14);padding:56px 0 46px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);gap:44px;align-items:center;
}
.footer-subscribe h2{color:#fff;font-size:clamp(20px,2.3vw,27px);margin-bottom:12px}
.footer-subscribe p{font-size:14.5px;color:rgba(233,225,212,.76);margin:0;line-height:1.85}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-row{display:flex;gap:10px}
.sub-row input{
  flex:1;height:50px;border-radius:var(--r-btn);border:1px solid rgba(233,225,212,.24);
  background:rgba(233,225,212,.10);color:#fff;font-size:14.5px;padding:0 16px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);min-width:0;
}
.sub-row input::placeholder{color:rgba(233,225,212,.5)}
.sub-row input:focus{border-color:var(--clay);box-shadow:0 0 0 4px rgba(194,91,58,.16);background:rgba(233,225,212,.14)}
.sub-note{font-size:12.5px;color:rgba(233,225,212,.55)}

.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:54px 0 40px;border-bottom:1px solid rgba(233,225,212,.14);
}
.footer-col h3{
  font-size:15px;color:#fff;margin-bottom:18px;font-family:var(--font-sans);font-weight:600;letter-spacing:.02em;
}
.footer-col a,.footer-col span{display:block;font-size:14px;color:rgba(233,225,212,.76);line-height:2.05}
.footer-col a:hover{color:var(--clay)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-mark{background:var(--on-dark)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(233,225,212,.6)}
.footer-brand p{font-size:14px;color:rgba(233,225,212,.7);line-height:1.9;margin:0;max-width:340px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:22px;font-size:13px;color:rgba(233,225,212,.6);flex-wrap:wrap;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border:1px solid rgba(233,225,212,.28);border-radius:var(--r-btn);
  background:transparent;color:var(--on-dark);font-size:13px;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.back-top:hover{background:var(--clay);border-color:var(--clay);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .layout{grid-template-columns:250px minmax(0,1fr);gap:28px}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 0}
  .flow-step:nth-child(2)::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-subscribe{grid-template-columns:1fr;gap:26px}
}
@media (max-width:991.98px){
  .nav-search{display:none}
  .header-bottom{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-drawer{display:block}
  .header-inner{padding-block:12px}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .sidebar{position:static;order:2}
  .main-col{order:1}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 48px}
  .cta-band{padding:34px 28px}
  .cta-actions{margin-left:0;width:100%}
  .copy-box{width:100%}
  .copy-box input{width:100%}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .prep-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .stat-item{padding:0 20px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .flow{grid-template-columns:1fr}
  .flow-step{padding-right:0}
  .flow-step::before{display:none}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:28px 22px;border-radius:14px}
}
@media (max-width:575.98px){
  .container{padding-inline:16px}
  .topic-grid{grid-template-columns:1fr}
  .hot-chips{display:none}
  .hero-title-sub{font-size:14.5px}
  .sub-row{flex-direction:column}
  .sub-row .btn-main{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --ink:#123A33;
  --accent:#C25B3A;
  --accent-deep:#A44A2C;
  --teal:#2E6E6A;
  --bg:#FAF7F2;
  --bg-alt:#F1EBE1;
  --line:#E3DACB;
  --divide:rgba(18,58,51,.10);
  --text:#1B1F1D;
  --text-2:#5C6660;
  --text-3:#8A938D;
  --on-dark:#E9E1D4;
  --ok:#2F7D5A;
  --warn:#B8860B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,58,51,.06);
  --sh-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --bs-body-bg:#FAF7F2;
  --bs-body-color:#1B1F1D;
  --bs-border-color:#E3DACB;
  --bs-border-radius:14px;
  --bs-primary:#123A33;
  --bs-link-color:#123A33;
  --bs-link-hover-color:#C25B3A;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);}
h1{font-size:clamp(28px,4vw,46px);line-height:1.25;margin:0;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin:0;}
h3{font-size:20px;line-height:1.5;margin:0;}
p{margin:0 0 1em;}
.container{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,247,242,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--divide);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(18,58,51,.10);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:80px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:12px;height:26px;border-radius:3px;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink) 46%,var(--accent) 46%,var(--accent) 100%);
  display:inline-block;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--text-3);}

.nav-search{
  flex:1 1 auto;max-width:520px;position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  height:50px;padding:0 6px 0 16px;box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 6px 18px rgba(194,91,58,.14);}
.nav-search svg{flex:0 0 auto;color:var(--teal);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text);height:100%;padding:0 10px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  flex:0 0 auto;border:0;border-radius:999px;background:var(--ink);color:#fff;
  font-size:14px;padding:9px 20px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-search button:hover{background:var(--accent);transform:translateY(-1px);}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-link-item{
  font-size:14px;color:var(--text-2);padding:9px 11px;border-radius:8px;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link-item:hover{color:var(--ink);background:var(--bg-alt);}
.nav-link-item.active{color:var(--ink);font-weight:600;background:rgba(194,91,58,.12);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-outline-sm{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 18px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;transition:all .2s var(--ease);
}
.btn-outline-sm:hover{border-color:var(--ink);background:var(--bg-alt);color:var(--ink);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}
.search-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;}

.header-hotwords{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:0 0 12px;margin-top:-6px;
}
.header-hotwords span{font-size:12px;color:var(--text-3);}
.hot-chip{
  font-size:13px;color:var(--teal);background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--r-badge);
  padding:4px 10px;transition:all .2s var(--ease);
}
.hot-chip:hover{color:#fff;background:var(--teal);border-color:var(--teal);}

/* drawer */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(360px,86vw);
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  z-index:1050;padding:22px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,58,51,.42);
  opacity:0;visibility:hidden;transition:.26s var(--ease);z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);}
.drawer-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;height:46px;padding:0 14px;margin-bottom:16px;}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:14px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-links a{padding:12px 12px;border-radius:10px;font-size:15px;color:var(--text-2);}
.drawer-links a:hover{background:var(--bg-alt);color:var(--ink);}
.drawer-links a.active{background:rgba(194,91,58,.12);color:var(--ink);font-weight:600;}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;
  transition:all .22s var(--ease);
}
.btn-main:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(194,91,58,.24);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--ink);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{background:var(--bg-alt);border-color:var(--ink);color:var(--ink);transform:translateY(-2px);}
.btn-ink{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;
  transition:all .22s var(--ease);
}
.btn-ink:hover{background:#0c2b26;color:#fff;transform:translateY(-2px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--accent);}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--accent-deep);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:18px 0 6px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);white-space:nowrap;overflow:hidden;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--accent);}
.crumb span.current{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;}

/* ---------- page hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:0 0 var(--r-card) var(--r-card);
  background-image:linear-gradient(rgba(18,58,51,.80),rgba(18,58,51,.86)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:64px 0 56px;margin-bottom:8px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(233,225,212,.10) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(233,225,212,.10) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero .container{position:relative;z-index:2;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--on-dark);
  background:rgba(233,225,212,.14);border:1px solid rgba(233,225,212,.24);
  border-radius:var(--r-badge);padding:5px 12px;margin-bottom:18px;
}
.cat-hero h1{color:#fff;max-width:820px;}
.hero-lead{
  margin-top:16px;max-width:660px;font-size:16px;line-height:1.85;
  color:rgba(233,225,212,.88);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.hero-chips a{
  font-size:13px;color:var(--on-dark);
  background:rgba(233,225,212,.10);border:1px solid rgba(233,225,212,.26);
  border-radius:var(--r-badge);padding:5px 12px;
  transition:all .2s var(--ease);
}
.hero-chips a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:32px;
  border-top:1px solid rgba(233,225,212,.20);padding-top:20px;
}
.hero-stats div{
  flex:1 1 140px;padding-right:24px;
  border-right:1px solid rgba(233,225,212,.16);
}
.hero-stats div:last-child{border-right:0;}
.hero-stats b{
  display:block;font-family:var(--serif);font-size:26px;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stats span{font-size:13px;color:rgba(233,225,212,.72);}

/* ---------- section ---------- */
.section{padding:72px 0;}
.section.alt{background:var(--bg-alt);}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;
  color:var(--teal);border-left:3px solid var(--accent);padding-left:10px;margin-bottom:12px;
}
.section-head p{color:var(--text-2);margin-top:12px;margin-bottom:0;}

/* ---------- magazine list ---------- */
.mag-list{border-top:1px solid var(--divide);}
.mag-item{
  display:grid;
  grid-template-columns:88px 320px 1fr;
  gap:28px;align-items:start;
  padding:32px 0;border-bottom:1px dashed var(--line);
}
.mag-index{
  font-family:var(--serif);font-size:44px;line-height:1;
  color:rgba(194,91,58,.55);font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.mag-thumb{
  border-radius:var(--r-img);overflow:hidden;background:#EADFD0;
  aspect-ratio:16/10;
}
.mag-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.mag-item:hover .mag-thumb img{transform:scale(1.04);}
.mag-body h3{margin-bottom:10px;transition:color .22s var(--ease);}
.mag-item:hover .mag-body h3{color:var(--accent);}
.mag-body p{color:var(--text-2);font-size:15.5px;margin-bottom:14px;}
.mag-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3);}
.mag-meta time{font-variant-numeric:tabular-nums;}
.chip{
  font-size:12px;letter-spacing:.04em;color:var(--accent);
  background:rgba(194,91,58,.12);border-radius:var(--r-badge);
  padding:3px 9px;
}
.chip.teal{color:var(--teal);background:rgba(46,110,106,.12);}
.mag-divider-note{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);padding-bottom:14px;
}

/* ---------- rhythm strip ---------- */
.rhythm{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--divide);border-bottom:1px solid var(--divide);
}
.rhythm-item{padding:28px 24px 28px 0;border-right:1px solid var(--divide);}
.rhythm-item:last-child{border-right:0;}
.rhythm-item b{
  display:block;font-family:var(--serif);font-size:32px;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.rhythm-item span{display:block;font-size:13px;color:var(--teal);letter-spacing:.04em;margin-top:6px;}
.rhythm-item p{font-size:14px;color:var(--text-2);margin:10px 0 0;}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:all .22s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d6c9b4;}
.check-card h3{font-size:19px;display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;}
.check-card h3 .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;
  background:rgba(46,110,106,.12);color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;margin-top:6px;
}
.check-card ul{margin:0;padding-left:0;list-style:none;}
.check-card ul li{
  position:relative;padding-left:16px;font-size:14.5px;color:var(--text-2);margin-bottom:8px;
}
.check-card ul li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  border-radius:50%;background:var(--accent);
}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-list .accordion-item{
  background:transparent;border:0;border-bottom:1px dashed var(--line);
}
.faq-list .accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink);
  padding:22px 44px 22px 0;position:relative;line-height:1.55;
}
.faq-list .accordion-button::after{display:none;}
.faq-list .accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:background .2s var(--ease);
}
.faq-list .accordion-button:not(.collapsed)::before{background:var(--accent);}
.faq-list .accordion-button:not(.collapsed){color:var(--accent);background:transparent;}
.faq-list .accordion-button:focus{box-shadow:none;}
.faq-list .acc-icon{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;color:var(--teal);transition:transform .24s var(--ease);
}
.faq-list .accordion-button:not(.collapsed) .acc-icon{transform:translateY(-50%) rotate(45deg);color:var(--accent);}
.faq-list .accordion-body{
  padding:0 44px 24px 20px;font-size:15px;color:var(--text-2);line-height:1.85;
}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:all .22s var(--ease);height:100%;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d6c9b4;}
.related-card span.num{
  font-family:var(--serif);font-size:13px;color:var(--accent);letter-spacing:.08em;
  display:block;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.related-card h3{font-size:18px;margin-bottom:8px;}
.related-card p{font-size:14px;color:var(--text-2);margin:0 0 14px;}
.related-card .go{font-size:13px;color:var(--teal);display:inline-flex;align-items:center;gap:6px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-card);overflow:hidden;position:relative;
  padding:56px 48px;margin-top:56px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(194,91,58,.18);
}
.cta-band-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.cta-band h2{color:#fff;max-width:560px;}
.cta-band p{color:rgba(233,225,212,.80);margin:12px 0 0;max-width:560px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);margin-top:88px;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-col h3{
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.06em;
  color:#fff;margin-bottom:16px;
}
.footer-col a,.footer-col span{
  display:block;font-size:14px;color:rgba(233,225,212,.78);
  margin-bottom:10px;line-height:1.6;
}
.footer-col a:hover{color:var(--accent);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(233,225,212,.60);}
.footer-brand .brand-mark{background:linear-gradient(180deg,#fff 0%,#fff 46%,var(--accent) 46%,var(--accent) 100%);}
.footer-brand p{color:rgba(233,225,212,.72);font-size:14px;margin-top:16px;max-width:320px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(233,225,212,.16);margin-top:40px;padding-top:20px;
  font-size:13px;color:rgba(233,225,212,.62);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(233,225,212,.32);color:var(--on-dark);
  border-radius:var(--r-btn);padding:8px 16px;font-size:13px;
  transition:all .2s var(--ease);
}
.back-top:hover{background:var(--accent);border-color:var(--accent);color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .nav-link-item{font-size:13.5px;padding:9px 9px;}
}
@media (max-width:1199px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .site-header.search-open .nav-search{
    display:flex;position:absolute;left:20px;right:20px;top:70px;max-width:none;z-index:5;
  }
  .header-inner{justify-content:space-between;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .section{padding:56px 0;}
  .mag-item{grid-template-columns:64px 1fr;gap:20px;}
  .mag-thumb{grid-column:2;max-width:420px;}
  .mag-body{grid-column:2;}
  .mag-index{font-size:36px;}
  .rhythm{grid-template-columns:repeat(2,1fr);}
  .rhythm-item:nth-child(2){border-right:0;}
  .rhythm-item:nth-child(1),.rhythm-item:nth-child(2){border-bottom:1px solid var(--divide);}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:44px 28px;}
}
@media (max-width:767px){
  .header-hotwords{display:none;}
  .cat-hero{padding:48px 0 40px;}
  .hero-stats div{flex:1 1 100%;border-right:0;border-bottom:1px solid rgba(233,225,212,.16);padding:12px 0;}
  .hero-stats div:last-child{border-bottom:0;}
  .mag-item{grid-template-columns:1fr;gap:16px;}
  .mag-thumb,.mag-body{grid-column:1;}
  .mag-index{font-size:30px;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .rhythm{grid-template-columns:1fr;}
  .rhythm-item{border-right:0;border-bottom:1px solid var(--divide);padding:22px 0;}
  .rhythm-item:last-child{border-bottom:0;}
  .btn-main,.btn-ghost,.btn-ink{width:100%;justify-content:center;}
  .cta-actions{width:100%;}
}

/* roulang page: category3 */
:root{
  --ink:#123A33;
  --ink-deep:#0D2C27;
  --accent:#C25B3A;
  --accent-dark:#A9482B;
  --teal:#2E6E6A;
  --bg:#FAF7F2;
  --bg-alt:#F1EBE1;
  --sand:#E3DACB;
  --line:rgba(18,58,51,.10);
  --text:#1B1F1D;
  --text-2:#5C6660;
  --text-3:#8A938D;
  --on-dark:#E9E1D4;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(18,58,51,.06);
  --shadow-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-bg:#FAF7F2;
  --bs-body-color:#1B1F1D;
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-primary:#123A33;
  --bs-border-radius:14px;
  --bs-gutter-x:1.5rem;
  --bs-link-color:#2E6E6A;
  --bs-link-hover-color:#C25B3A;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:700;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(28px,4vw,46px);line-height:1.25}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35}
h3{font-size:clamp(18px,1.6vw,22px);line-height:1.45}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:96px 0}
.section-tight{padding:0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--ink);color:var(--on-dark)}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .section-lead{color:rgba(233,225,212,.78)}
.section-head{max-width:800px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.18em;color:var(--teal);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-lead{margin-top:16px;color:var(--text-2);font-size:16.5px;line-height:1.85}

/* ============ 按钮 ============ */
.btn-solid,.btn-ghost,.btn-ghost-light,.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--r-btn);cursor:pointer;transition:all .22s var(--ease)}
.btn-solid{background:var(--accent);border:1px solid var(--accent);color:#fff;padding:13px 26px;min-height:48px}
.btn-solid:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(194,91,58,.28)}
.btn-ghost{background:#fff;border:1px solid var(--sand);color:var(--ink);padding:13px 26px;min-height:48px}
.btn-ghost:hover{background:var(--bg-alt);border-color:var(--teal);color:var(--ink);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border:1px solid rgba(233,225,212,.55);color:var(--on-dark);padding:13px 26px;min-height:48px}
.btn-ghost-light:hover{background:var(--on-dark);border-color:var(--on-dark);color:var(--ink);transform:translateY(-2px)}
.link-arrow{color:var(--accent);font-size:14.5px;padding:6px 0;background:none;border:0}
.link-arrow svg{transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(5px)}

.badge-cat{display:inline-block;font-size:12px;letter-spacing:.04em;color:var(--accent);background:rgba(194,91,58,.12);border-radius:var(--r-badge);padding:4px 10px}
.badge-soft{display:inline-block;font-size:12px;letter-spacing:.04em;color:var(--teal);background:rgba(46,110,106,.12);border-radius:var(--r-badge);padding:4px 10px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(250,247,242,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(18,58,51,.10);background:rgba(250,247,242,.97)}
.header-main{display:flex;align-items:center;gap:22px;padding-top:14px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:26px;height:26px;border-radius:7px;background:var(--ink);position:relative;flex:none}
.brand-mark::before{content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;background:var(--accent);border-radius:3px}
.brand-text strong{display:block;font-family:var(--serif);font-size:20px;line-height:1.15;color:var(--ink);letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--text-3);margin-top:3px}
.nav-search{
  position:relative;flex:1 1 320px;max-width:580px;
  display:flex;align-items:center;
  background:#fff;border:1px solid var(--sand);border-radius:999px;
  padding:5px 5px 5px 18px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 8px 20px rgba(18,58,51,.08)}
.nav-search svg{flex:none;color:var(--text-3)}
.nav-search input{flex:1;border:0;background:transparent;height:42px;font-size:15px;color:var(--text);outline:none;font-family:inherit;padding:0 10px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search-btn{flex:none;background:var(--ink);color:#fff;border:0;border-radius:999px;height:42px;padding:0 22px;font-size:14.5px;font-weight:600;cursor:pointer;transition:background .2s var(--ease)}
.nav-search-btn:hover{background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;margin-left:auto}
.icon-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--sand);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;transition:.2s var(--ease)}
.icon-btn:hover{border-color:var(--teal);color:var(--teal)}
.header-sub{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:14px}
.nav-links{display:flex;flex-wrap:wrap;gap:2px}
.nav-link-item{
  position:relative;font-size:14.5px;color:var(--text-2);text-decoration:none;
  padding:8px 13px;border-radius:8px;transition:all .2s var(--ease);
}
.nav-link-item:hover{color:var(--accent);background:var(--bg-alt)}
.nav-link-item.active{color:var(--ink);font-weight:600;background:var(--bg-alt)}
.nav-link-item.active::after{content:"";position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--accent);transform:translateX(-50%)}
.nav-chips{display:flex;align-items:center;gap:8px}
.chip{
  display:inline-block;font-size:13px;color:var(--text-2);
  background:var(--bg-alt);border:1px solid var(--sand);border-radius:var(--r-badge);
  padding:5px 12px;transition:all .2s var(--ease);
}
.chip:hover{color:var(--accent);border-color:var(--accent);background:#fff}
.mobile-search{display:none;padding-bottom:14px}
.mobile-search .nav-search{max-width:none;flex:1 1 100%}

.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--bg);border-left:1px solid var(--sand);
  box-shadow:-14px 0 44px rgba(18,58,51,.16);
  z-index:1100;padding:24px 22px 40px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s var(--ease);
}
.nav-drawer.open{transform:none}
.drawer-shot{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-family:var(--serif);font-size:16px;color:var(--ink)}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--sand);background:#fff;color:var(--ink);cursor:pointer}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-top:20px}
.drawer-list a{display:block;padding:14px 12px;font-size:15.5px;color:var(--text-2);border-radius:10px;border-bottom:1px solid var(--line)}
.drawer-list a.active{color:var(--accent);font-weight:600;background:var(--bg-alt)}
.drawer-list a:hover{color:var(--accent)}
.drawer-mask{position:fixed;inset:0;background:rgba(18,58,51,.44);z-index:1090;opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease)}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-cta{margin-top:26px}

/* ============ 页头 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark)}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(18,58,51,.95) 0%,rgba(18,58,51,.86) 48%,rgba(18,58,51,.70) 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:linear-gradient(rgba(233,225,212,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(233,225,212,.07) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 76px}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(233,225,212,.72);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb-line a{color:rgba(233,225,212,.82)}
.breadcrumb-line a:hover{color:var(--accent)}
.breadcrumb-line .sep{color:rgba(233,225,212,.42)}
.breadcrumb-line .cur{color:var(--on-dark)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;
  color:#EAB79F;border:1px solid rgba(194,91,58,.6);border-radius:999px;padding:6px 16px;margin-bottom:22px;
}
.page-hero h1{color:#fff;max-width:900px}
.hero-lead{margin-top:20px;font-size:17.5px;line-height:1.85;color:rgba(233,225,212,.84);max-width:660px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-chips .chip{background:rgba(233,225,212,.08);border-color:rgba(233,225,212,.28);color:var(--on-dark)}
.hero-chips .chip:hover{color:var(--accent);border-color:var(--accent);background:rgba(194,91,58,.14)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* ============ 速览带 ============ */
.quick-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.quick-item{padding:36px 30px;border-right:1px solid var(--line)}
.quick-item:last-child{border-right:0}
.quick-num{font-family:var(--serif);font-size:32px;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums;margin-bottom:16px}
.quick-item h3{font-size:18px;margin-bottom:10px}
.quick-item p{color:var(--text-2);font-size:15px;margin:0}

/* ============ 时间轴 ============ */
.timeline{display:flex;flex-direction:column;gap:34px}
.tl-item{display:grid;grid-template-columns:76px 1fr;gap:26px;align-items:start}
.tl-rail{position:relative;display:flex;justify-content:center;padding-top:8px}
.tl-rail::before{content:"";position:absolute;top:56px;bottom:-38px;width:2px;background:linear-gradient(180deg,rgba(46,110,106,.5),rgba(46,110,106,.08))}
.tl-item:last-child .tl-rail::before{display:none}
.tl-num{
  position:relative;z-index:1;width:54px;height:54px;border-radius:50%;
  background:var(--bg);border:2px solid var(--teal);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:18px;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.tl-card{
  display:grid;grid-template-columns:1fr 250px;
  background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-card.no-thumb{grid-template-columns:1fr}
.tl-card-body{padding:28px 30px}
.tl-card-body h3{margin:14px 0 12px}
.tl-card-body p{color:var(--text-2);font-size:15.5px;margin:0}
.tl-points{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.tl-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2)}
.tl-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--accent);border-radius:2px}
.tl-thumb{background:var(--bg-alt);min-height:200px}
.tl-thumb img{width:100%;height:100%;object-fit:cover}

/* ============ 内容分布 ============ */
.dist-list{border-top:1px solid var(--line)}
.dist-row{
  display:grid;grid-template-columns:170px 1fr 190px 62px;align-items:center;gap:22px;
  padding:22px 14px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.dist-row:hover{background:rgba(227,218,203,.42)}
.dist-name{font-family:var(--serif);font-size:17px;color:var(--ink)}
.dist-desc{font-size:14.5px;color:var(--text-2)}
.track{height:8px;border-radius:999px;background:var(--sand);overflow:hidden}
.track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--teal),var(--accent))}
.dist-val{text-align:right;font-family:var(--serif);font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums}

/* ============ 准备清单 ============ */
.prep-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.prep-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--sand);box-shadow:var(--shadow-1);background:var(--bg-alt)}
.prep-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--sand);font-size:15.5px;color:var(--text-2)}
.check-list li:last-child{border-bottom:0}
.ck{flex:none;width:22px;height:22px;color:var(--teal);margin-top:5px}

/* ============ 数据带 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:42px 28px;border-left:1px solid rgba(233,225,212,.16)}
.stat-item:first-child{border-left:0}
.stat-num{font-family:var(--serif);font-size:clamp(28px,3vw,40px);line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:15px;color:var(--accent);margin-left:8px;letter-spacing:.02em}
.stat-label{margin-top:14px;font-size:14px;color:rgba(233,225,212,.76);line-height:1.7}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;border:0;box-shadow:none;
  padding:26px 52px 26px 22px;
  font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;
  position:relative;transition:color .2s var(--ease),background .2s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--accent);background:rgba(194,91,58,.05)}
.accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--accent)}
.accordion-button:hover{color:var(--accent)}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button::after{display:none}
.caret{position:absolute;right:20px;top:50%;width:16px;height:16px;transform:translateY(-50%)}
.caret::before,.caret::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.caret::before{left:0;top:7px;width:16px;height:2px}
.caret::after{left:7px;top:0;width:2px;height:16px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.accordion-button:not(.collapsed) .caret::after{transform:rotate(90deg);opacity:0}
.accordion-body{padding:0 52px 28px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9}

/* ============ 订阅 ============ */
.sub-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.form-control-lite{
  width:100%;height:50px;border:1px solid var(--sand);background:#fff;border-radius:10px;
  padding:0 16px;font-size:15px;color:var(--text);font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control-lite:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(194,91,58,.14)}
.form-note{font-size:13px;color:var(--text-3);margin:12px 0 0}
.form-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end}

/* ============ 相关分类 + CTA ============ */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--teal)}
.rel-card .rel-idx{font-family:var(--serif);font-size:13px;color:var(--accent);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.rel-card h3{font-size:17px;margin:12px 0 8px}
.rel-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:18px;padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  color:var(--on-dark);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(194,91,58,.16);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,28px);max-width:560px}
.cta-band p{margin:14px 0 0;color:rgba(233,225,212,.78);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(233,225,212,.82);padding:76px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:42px}
.footer-brand p{font-size:14.5px;line-height:1.85;margin-top:18px;max-width:330px;color:rgba(233,225,212,.72)}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:18px;font-family:var(--serif)}
.footer-col a{display:block;color:rgba(233,225,212,.78);font-size:14.5px;padding:7px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-col span{display:block;font-size:14.5px;padding:7px 0;color:rgba(233,225,212,.72)}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(233,225,212,.58)}
.site-footer .brand-mark{background:#1D4A42}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(233,225,212,.16);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(233,225,212,.6);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid rgba(233,225,212,.3);color:var(--on-dark);
  border-radius:999px;padding:10px 20px;font-size:13.5px;cursor:pointer;transition:.22s var(--ease);
}
.back-top:hover{border-color:var(--accent);color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-chips{display:none}
  .dist-row{grid-template-columns:150px 1fr 160px 56px;gap:18px}
}
@media (max-width:991px){
  .section{padding:68px 0}
  .header-main{gap:14px}
  .nav-search{display:none}
  .mobile-search .nav-search{display:flex}
  .header-sub{display:none}
  .icon-btn{display:inline-flex}
  .header-cta{display:none}
  .page-hero-inner{padding:40px 0 56px}
  .quick-grid{grid-template-columns:1fr}
  .quick-item{border-right:0;border-bottom:1px solid var(--line);padding:28px 20px}
  .quick-item:last-child{border-bottom:0}
  .prep-grid{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(3){border-left:0}
  .stat-item{border-top:1px solid rgba(233,225,212,.16);padding:32px 20px}
  .stat-item:nth-child(-n+2){border-top:0}
  .sub-grid{grid-template-columns:1fr;gap:30px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand-text em{display:none}
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-rail{padding-top:4px}
  .tl-rail::before{top:46px;bottom:-34px}
  .tl-num{width:40px;height:40px;font-size:15px;border-width:2px}
  .tl-card{grid-template-columns:1fr}
  .tl-card-body{padding:22px 20px}
  .tl-thumb{min-height:170px}
  .dist-row{grid-template-columns:1fr;gap:10px;padding:20px 6px}
  .dist-val{text-align:left}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-left:0}
  .stat-item:nth-child(2){border-top:1px solid rgba(233,225,212,.16)}
  .rel-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-row .btn-solid{width:100%;justify-content:center}
  .accordion-button{font-size:16.5px;padding:22px 46px 22px 18px}
  .accordion-body{padding:0 30px 24px 18px}
  .hero-actions .btn-solid,.hero-actions .btn-ghost-light{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .page-hero h1{font-size:clamp(25px,7vw,32px)}
}

/* roulang page: category4 */
:root{
  --ink:#123A33;
  --clay:#C25B3A;
  --clay-dark:#A8482B;
  --teal:#2E6E6A;
  --bg:#FAF7F2;
  --bg-alt:#F1EBE1;
  --line:#E3DACB;
  --hair:rgba(18,58,51,.10);
  --text:#1B1F1D;
  --text-2:#5C6660;
  --text-3:#8A938D;
  --on-dark:#E9E1D4;
  --ok:#2F7D5A;
  --warn:#B8860B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,58,51,.06);
  --sh-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-body-font-family:var(--sans);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-card);
  --bs-primary:var(--ink);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--clay);
  --bs-gutter-x:1.5rem;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--clay);}
button,input{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);letter-spacing:-.01em;margin:0;}
p{margin:0 0 1em;}
.container{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--teal);
  text-transform:uppercase;margin-bottom:14px;font-family:var(--sans);font-weight:500;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--clay);display:block;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,247,242,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--hair);
  transition:box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,58,51,.10);background:rgba(250,247,242,.92);}
.header-main{display:flex;align-items:center;gap:24px;min-height:78px;padding:10px 0;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:8px;flex:0 0 34px;
  background:var(--ink);position:relative;display:block;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:2px;height:16px;
  background:var(--clay);transform:translate(-50%,-50%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--serif);font-size:19px;color:var(--ink);letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.06em;}
.nav-search{
  flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 6px 5px 18px;height:50px;box-shadow:var(--sh-1);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.nav-search:focus-within{border-color:var(--clay);box-shadow:0 0 0 4px rgba(194,91,58,.12);}
.nav-search svg{flex:0 0 18px;color:var(--text-3);}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text);min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  flex:0 0 auto;border:0;background:var(--ink);color:var(--on-dark);
  height:38px;padding:0 20px;border-radius:999px;font-size:14px;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.nav-search button:hover{background:var(--clay);transform:translateY(-1px);}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--ink);color:var(--ink);border-radius:var(--r-btn);
  padding:11px 20px;font-size:14.5px;min-height:44px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.nav-cta:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-1px);}
.header-sub{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  padding:0 0 14px;border-top:1px solid transparent;
}
.nav-links{display:flex;flex-wrap:wrap;gap:4px;align-items:center;}
.nav-link-item{
  position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--text-2);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-link-item:hover{background:var(--bg-alt);color:var(--ink);}
.nav-link-item.active{color:var(--ink);font-weight:500;background:var(--bg-alt);}
.nav-link-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--clay);border-radius:2px;
}
.hot-words{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-left:auto;}
.hot-words span{font-size:12.5px;color:var(--text-3);}
.hot-chip{
  font-size:13px;background:var(--bg-alt);border:1px solid var(--line);
  color:var(--text-2);border-radius:var(--r-badge);padding:5px 10px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.hot-chip:hover{background:#fff;color:var(--clay);}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- breadcrumb ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);
  padding:22px 0 0;flex-wrap:nowrap;overflow:hidden;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--clay);}
.crumbs .sep{opacity:.55;}
.crumbs .now{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:
    linear-gradient(rgba(18,58,51,.86),rgba(18,58,51,.80)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:var(--on-dark);
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.12;pointer-events:none;
  background-image:linear-gradient(to right,rgba(233,225,212,.5) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(233,225,212,.5) 1px,transparent 1px);
  background-size:78px 78px;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center;
  padding:44px 0 78px;}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4vw,46px);line-height:1.24;margin-bottom:18px;
}
.page-hero .lede{color:rgba(233,225,212,.9);font-size:17px;max-width:620px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.hero-tag{
  font-size:12.5px;letter-spacing:.04em;padding:6px 12px;border-radius:var(--r-badge);
  background:rgba(233,225,212,.14);color:var(--on-dark);border:1px solid rgba(233,225,212,.22);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--clay);color:#fff;border:1px solid var(--clay);
  border-radius:var(--r-btn);padding:13px 26px;font-size:15px;min-height:48px;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-solid:hover{background:var(--clay-dark);border-color:var(--clay-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;border:1px solid rgba(233,225,212,.5);
  border-radius:var(--r-btn);padding:13px 26px;font-size:15px;min-height:48px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn-ghost:hover{background:rgba(233,225,212,.14);color:#fff;transform:translateY(-2px);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ink);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;min-height:48px;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn-line:hover{background:var(--bg-alt);border-color:var(--ink);color:var(--ink);transform:translateY(-2px);}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--clay);font-size:15px;font-weight:500;}
.btn-text svg{transition:transform var(--t) var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}
.hero-panel{
  background:rgba(233,225,212,.07);border:1px solid rgba(233,225,212,.22);
  border-radius:var(--r-card);padding:24px;backdrop-filter:blur(2px);
}
.hero-panel h2{color:#fff;font-size:17px;margin-bottom:16px;font-family:var(--serif);}
.hero-panel ul{list-style:none;margin:0;padding:0;}
.hero-panel li{
  display:flex;justify-content:space-between;gap:14px;align-items:baseline;
  padding:11px 0;border-bottom:1px dashed rgba(233,225,212,.2);font-size:14px;
  color:rgba(233,225,212,.92);
}
.hero-panel li:last-child{border-bottom:0;padding-bottom:0;}
.hero-panel li b{font-family:var(--serif);color:#fff;font-weight:600;}
.hero-media{margin-top:26px;border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(233,225,212,.18);}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-alt);}

/* ---------- compare cards ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.compare-card.is-featured{border-color:rgba(194,91,58,.45);}
.compare-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--hair);}
.compare-head h3{font-size:22px;line-height:1.35;margin-bottom:6px;}
.compare-head p{color:var(--text-2);font-size:14.5px;margin:0;}
.badge-clay{
  font-size:12px;letter-spacing:.04em;color:var(--clay);background:rgba(194,91,58,.12);
  border-radius:var(--r-badge);padding:5px 10px;white-space:nowrap;
}
.badge-teal{
  font-size:12px;letter-spacing:.04em;color:var(--teal);background:rgba(46,110,106,.12);
  border-radius:var(--r-badge);padding:5px 10px;white-space:nowrap;
}
.spec-list{list-style:none;margin:18px 0 0;padding:0;}
.spec-list li{
  display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:15px;color:var(--text-2);
  border-bottom:1px dashed var(--hair);
}
.spec-list li:last-child{border-bottom:0;}
.spec-list .dot{
  flex:0 0 18px;width:18px;height:18px;border-radius:50%;margin-top:5px;
  background:rgba(46,110,106,.12);position:relative;
}
.spec-list .dot::after{
  content:"";position:absolute;left:5px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--teal);
}
.spec-list li b{color:var(--ink);font-weight:500;}
.compare-foot{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- spec table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;
}
.table-scroll{overflow-x:auto;}
table.spec-table{width:100%;border-collapse:collapse;min-width:760px;}
table.spec-table thead th{
  background:var(--ink);color:var(--on-dark);font-size:14px;font-weight:500;
  letter-spacing:.04em;text-align:left;padding:15px 20px;white-space:nowrap;
}
table.spec-table tbody td{
  padding:16px 20px;font-size:15px;color:var(--text-2);
  border-top:1px solid var(--hair);vertical-align:top;
}
table.spec-table tbody td:first-child{color:var(--ink);font-weight:500;font-family:var(--serif);font-size:16px;}
table.spec-table tbody tr{transition:background var(--t) var(--ease);}
table.spec-table tbody tr:hover{background:var(--bg-alt);}
.pill-time{
  display:inline-block;font-size:13px;color:var(--teal);background:rgba(46,110,106,.10);
  border-radius:var(--r-badge);padding:3px 9px;font-variant-numeric:tabular-nums;
}
.pill-channel{
  display:inline-block;font-size:13px;color:var(--clay);background:rgba(194,91,58,.10);
  border-radius:var(--r-badge);padding:3px 9px;
}
.table-note{margin-top:16px;font-size:13.5px;color:var(--text-3);}

/* ---------- flow ---------- */
.flow{position:relative;padding-top:14px;}
.flow-track{height:3px;background:var(--bg-alt);border-radius:3px;position:relative;overflow:hidden;}
.flow-track i{position:absolute;left:0;top:0;height:100%;width:62%;background:linear-gradient(90deg,var(--teal),var(--clay));border-radius:3px;}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(194,91,58,.4);}
.flow-num{
  font-family:var(--serif);font-size:30px;color:var(--clay);line-height:1;
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;
}
.flow-step h3{font-size:19px;margin-bottom:8px;}
.flow-step p{font-size:14.5px;color:var(--text-2);margin:0;}

/* ---------- split media ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-alt);}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-ico{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:rgba(18,58,51,.08);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.check-ico svg{color:var(--ink);}
.check-list h3{font-size:17px;margin-bottom:4px;}
.check-list p{font-size:14.5px;color:var(--text-2);margin:0;}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:30px 22px;border-right:1px solid var(--hair);}
.stat:last-child{border-right:0;}
.stat b{
  display:block;font-family:var(--serif);font-size:clamp(26px,3vw,36px);color:var(--ink);
  line-height:1.1;font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.stat span{font-size:14px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:0 22px;box-shadow:var(--sh-1);
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item[open]{border-color:rgba(194,91,58,.45);background:#fffdfa;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 0;font-family:var(--serif);font-size:18px;color:var(--ink);font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{width:22px;height:22px;position:relative;flex:0 0 22px;margin-left:auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--clay);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform var(--t) var(--ease);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-answer{padding:0 0 22px;border-left:3px solid transparent;transition:border-color var(--t) var(--ease);}
.faq-item[open] .faq-answer{border-left-color:var(--clay);padding-left:16px;margin-left:-2px;}
.faq-answer p{font-size:15px;color:var(--text-2);margin:0;}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cross-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(194,91,58,.4);color:var(--ink);}
.cross-card .num{
  font-family:var(--serif);font-size:13px;color:var(--teal);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;display:block;margin-bottom:12px;
}
.cross-card h3{font-size:18px;margin-bottom:8px;}
.cross-card p{font-size:14px;color:var(--text-2);margin:0;}
.cross-card .go{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--clay);margin-top:14px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--on-dark);border-radius:var(--r-card);
  padding:48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  border:36px solid rgba(233,225,212,.06);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;position:relative;}
.cta-band p{color:rgba(233,225,212,.85);margin:0;font-size:15.5px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.btn-clay{
  display:inline-flex;align-items:center;gap:8px;background:var(--clay);color:#fff;
  border:1px solid var(--clay);border-radius:var(--r-btn);padding:13px 26px;font-size:15px;min-height:48px;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn-clay:hover{background:var(--clay-dark);border-color:var(--clay-dark);color:#fff;transform:translateY(-2px);}
.btn-outline-light{
  display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--on-dark);
  border:1px solid rgba(233,225,212,.45);border-radius:var(--r-btn);padding:13px 26px;font-size:15px;min-height:48px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn-outline-light:hover{background:rgba(233,225,212,.14);color:#fff;transform:translateY(-2px);}

/* ---------- subscribe ---------- */
.subscribe{
  background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.subscribe-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.subscribe h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:12px;}
.subscribe p{color:var(--text-2);font-size:15.5px;margin:0;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 260px;height:50px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);padding:0 16px;font-size:15px;color:var(--text);outline:none;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.sub-form input:focus{border-color:var(--clay);box-shadow:0 0 0 4px rgba(194,91,58,.12);}
.sub-form button{
  flex:0 0 auto;height:50px;border:0;background:var(--ink);color:var(--on-dark);
  border-radius:var(--r-btn);padding:0 28px;font-size:15px;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.sub-form button:hover{background:var(--clay);transform:translateY(-2px);}
.sub-note{font-size:13px;color:var(--text-3);margin-top:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-col h3{
  font-size:15px;color:#fff;margin-bottom:18px;font-family:var(--serif);letter-spacing:.02em;
}
.footer-col a,.footer-col span{
  display:block;font-size:14.5px;color:rgba(233,225,212,.82);margin-bottom:11px;
  transition:color var(--t) var(--ease);
}
.footer-col a:hover{color:var(--clay);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(233,225,212,.6);}
.footer-brand .brand-mark{background:rgba(233,225,212,.14);}
.footer-brand p{color:rgba(233,225,212,.75);font-size:14.5px;margin-top:18px;max-width:340px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(233,225,212,.18);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(233,225,212,.65);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;background:transparent;
  border:1px solid rgba(233,225,212,.35);color:var(--on-dark);border-radius:var(--r-btn);
  padding:9px 16px;font-size:13.5px;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.back-top:hover{background:rgba(233,225,212,.14);transform:translateY(-2px);}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,58,51,.45);opacity:0;visibility:hidden;
  transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);z-index:1040;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--bg);
  z-index:1050;transform:translateX(100%);transition:transform 240ms var(--ease);
  padding:24px 22px;overflow-y:auto;box-shadow:-14px 0 40px rgba(18,58,51,.2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head strong{font-family:var(--serif);font-size:18px;color:var(--ink);}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);line-height:1;
}
.drawer nav{display:grid;gap:6px;margin-bottom:22px;}
.drawer nav a{
  padding:13px 14px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--line);
  font-size:15px;color:var(--ink);
}
.drawer nav a.active{border-color:var(--clay);color:var(--clay);background:rgba(194,91,58,.06);}
.drawer .sub-form{display:grid;gap:10px;}
.drawer .sub-form input,.drawer .sub-form button{width:100%;flex:none;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .nav-search{display:none;}
  .header-sub{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-main{min-height:70px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:34px 0 60px;}
  .hero-panel{order:2;}
  .flow-steps{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .subscribe-inner{grid-template-columns:1fr;gap:26px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--hair);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .compare-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .flow-steps{grid-template-columns:1fr;}
  .brand-text strong{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .table-scroll{border-radius:0;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:27px;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--hair);}
  .stat:last-child{border-bottom:0;}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{width:100%;}
  .faq-item{padding:0 16px;}
  .cta-band{padding:28px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-clay,.cta-actions .btn-outline-light{width:100%;}
}

/* roulang page: category5 */
:root{
  --ink:#123A33;
  --ink-deep:#0E2E28;
  --accent:#C25B3A;
  --accent-deep:#A6482B;
  --teal:#2E6E6A;
  --bg:#FAF7F2;
  --bg-alt:#F1EBE1;
  --line:#E3DACB;
  --text:#1B1F1D;
  --text-2:#5C6660;
  --text-3:#8A938D;
  --on-dark:#E9E1D4;
  --success:#2F7D5A;
  --warn:#B8860B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(18,58,51,.06);
  --sh-2:0 10px 28px rgba(18,58,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --bs-body-bg:#FAF7F2;
  --bs-body-color:#1B1F1D;
  --bs-border-color:#E3DACB;
  --bs-border-radius:14px;
  --bs-link-color:#2E6E6A;
  --bs-link-hover-color:#C25B3A;
  --bs-font-sans-serif:var(--sans);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0}
p{margin:0}
ul{margin:0;padding:0;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-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-text,.btn-slim{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  cursor:pointer;transition:all .22s var(--ease);text-align:center;
}
.btn-main{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-main:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--bg-alt);border-color:#D6CABA;color:var(--ink);transform:translateY(-2px)}
.btn-slim{padding:8px 16px;min-height:40px;font-size:14px;background:var(--ink);color:var(--on-dark)}
.btn-slim:hover{background:var(--ink-deep);color:#fff}
.btn-text{background:none;border:none;padding:6px 0;min-height:auto;color:var(--teal);font-weight:600}
.btn-text svg{transition:transform .22s var(--ease)}
.btn-text:hover{color:var(--accent)}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- 徽章 / chip ---------- */
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(194,91,58,.12);color:var(--accent);
}
.badge-teal{background:rgba(46,110,106,.13);color:var(--teal)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--r-badge);
  background:var(--bg-alt);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
  transition:all .2s var(--ease);
}
.chip:hover{background:#fff;border-color:var(--accent);color:var(--accent)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,247,242,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(18,58,51,.10)}
.header-main{
  display:flex;align-items:center;gap:20px;
  min-height:80px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  position:relative;width:26px;height:26px;flex:0 0 auto;
  background:var(--ink);border-radius:4px;
}
.brand-mark::after{
  content:"";position:absolute;right:-5px;top:5px;
  width:5px;height:16px;background:var(--accent);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.06em}

.nav-search{
  flex:1 1 auto;max-width:520px;position:relative;
  display:flex;align-items:center;
  height:50px;padding:0 6px 0 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,110,106,.12)}
.nav-search svg{flex:0 0 auto;color:var(--text-3)}
.nav-search input{
  flex:1 1 auto;border:none;background:transparent;outline:none;
  padding:0 12px;font-size:14.5px;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  flex:0 0 auto;height:38px;padding:0 20px;border:none;border-radius:999px;
  background:var(--ink);color:var(--on-dark);font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease);
}
.nav-search button:hover{background:var(--accent)}

.nav-links{display:flex;align-items:center;gap:2px;flex:0 1 auto}
.nav-link-item{
  display:inline-flex;align-items:center;height:44px;padding:0 12px;
  border-radius:var(--r-btn);font-size:14.5px;font-weight:500;color:var(--text-2);
  white-space:nowrap;position:relative;transition:all .2s var(--ease);
}
.nav-link-item:hover{background:var(--bg-alt);color:var(--ink)}
.nav-link-item.active{color:var(--ink);font-weight:700}
.nav-link-item.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--accent);border-radius:2px;
}
.btn-contact{
  flex:0 0 auto;display:inline-flex;align-items:center;height:44px;padding:0 18px;
  border:1px solid var(--ink);border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;color:var(--ink);white-space:nowrap;
  transition:all .2s var(--ease);
}
.btn-contact:hover{background:var(--ink);color:var(--on-dark)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;color:var(--ink);
}

.hot-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-bottom:12px;font-size:13px;color:var(--text-3);
}
.hot-row .hot-label{font-size:12.5px;letter-spacing:.06em;color:var(--text-3)}
.hot-chip{
  padding:4px 12px;border-radius:var(--r-badge);
  background:var(--bg-alt);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all .2s var(--ease);
}
.hot-chip:hover{background:#fff;border-color:var(--accent);color:var(--accent)}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:16px 0 22px;
}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin-bottom:14px}
.mobile-panel .m-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.mobile-panel .nav-link-item{height:48px;justify-content:flex-start;font-size:15px}
.mobile-panel .nav-link-item.active{background:var(--bg-alt)}
.mobile-panel .nav-link-item.active::after{display:none}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;
  background-color:var(--ink);
  background-image:
    linear-gradient(105deg,rgba(18,58,51,.92) 0%,rgba(18,58,51,.80) 55%,rgba(18,58,51,.70) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:64px 0 56px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(233,225,212,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(233,225,212,.07) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;
  width:320px;height:320px;border-radius:50%;
  background:rgba(194,91,58,.14);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb-row{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(233,225,212,.72);margin-bottom:22px;
}
.breadcrumb-row a{color:rgba(233,225,212,.72)}
.breadcrumb-row a:hover{color:var(--accent)}
.breadcrumb-row .sep{opacity:.5}
.breadcrumb-row .current{color:var(--on-dark);font-weight:600;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--accent);
  font-weight:700;margin-bottom:16px;
}
.hero-kicker::before{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px}
.page-hero h1{
  color:#FFF9F0;
  font-size:clamp(28px,4vw,46px);
  line-height:1.25;
  max-width:16em;
  margin-bottom:18px;
}
.hero-lead{
  max-width:640px;font-size:16.5px;line-height:1.9;
  color:rgba(233,225,212,.86);margin-bottom:26px;
}
.page-hero .chip{
  background:rgba(233,225,212,.10);
  border-color:rgba(233,225,212,.22);
  color:rgba(233,225,212,.92);
}
.page-hero .chip:hover{background:rgba(233,225,212,.2);border-color:var(--accent);color:#fff}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;margin-top:36px;padding-top:24px;
  border-top:1px solid rgba(233,225,212,.18);
}
.hero-stats div{padding-right:20px;border-right:1px solid rgba(233,225,212,.14)}
.hero-stats div:last-child{border-right:none}
.hero-stats strong{
  display:block;font-family:var(--serif);font-size:26px;color:#FFF9F0;
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-stats span{font-size:13px;color:rgba(233,225,212,.72)}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:40px;max-width:720px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;font-weight:700;color:var(--teal);
  margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--teal);border-radius:2px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:12px}
.section-head p{font-size:15.5px;color:var(--text-2)}
.section-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- 排查路径 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.path-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.path-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.path-item::after{
  content:"";position:absolute;top:44px;right:-20px;width:20px;height:1px;
  background:var(--line);
}
.path-item:last-child::after{display:none}
.path-num{
  font-family:var(--serif);font-size:34px;line-height:1;color:var(--accent);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;opacity:.9;
}
.path-item h3{font-size:18px;margin-bottom:10px}
.path-item p{font-size:14.5px;color:var(--text-2)}
.path-track{height:4px;border-radius:3px;background:var(--line);margin-bottom:18px;overflow:hidden}
.path-track i{display:block;height:100%;background:var(--teal);border-radius:3px}

/* ---------- 问答双栏 ---------- */
.qa-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.qa-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8CCBB}
.qa-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.qa-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.qa-card:hover .qa-thumb img{transform:scale(1.04)}
.qa-thumb .badge-soft{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92)}
.qa-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.qa-body h3{font-size:19px;line-height:1.5;margin-bottom:10px;transition:color .2s var(--ease)}
.qa-card:hover .qa-body h3{color:var(--accent)}
.qa-body p{font-size:14.5px;color:var(--text-2);flex:1 1 auto}
.qa-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);
}
.qa-meta .badge-soft{background:rgba(46,110,106,.12);color:var(--teal)}
.qa-meta a{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--teal)}
.qa-meta a:hover{color:var(--accent)}
.qa-meta time{font-variant-numeric:tabular-nums}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);
}
.side-card h2{font-size:18px;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--text-3);margin-bottom:16px}
.mini-qa{border-top:1px dashed var(--line);padding:14px 0}
.mini-qa:first-of-type{border-top:none;padding-top:0}
.mini-qa q{
  display:block;font-family:var(--serif);font-size:15.5px;font-weight:700;
  color:var(--ink);quotes:none;line-height:1.6;margin-bottom:6px;
}
.mini-qa p{font-size:13.8px;color:var(--text-2);line-height:1.8}
.side-cta{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.side-cta h2{color:#FFF9F0}
.side-cta p{font-size:14px;color:rgba(233,225,212,.8);margin-bottom:18px}
.side-cta .btn-main{width:100%}

/* ---------- 轻量 FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.qa-accordion .accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--line);
}
.qa-accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.qa-accordion .accordion-button{
  display:flex;align-items:flex-start;gap:16px;
  background:transparent;box-shadow:none;
  padding:22px 44px 22px 20px;
  font-family:var(--serif);font-size:18px;font-weight:600;line-height:1.6;color:var(--ink);
  position:relative;transition:color .2s var(--ease),background .2s var(--ease);
}
.qa-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--accent);border-radius:2px;opacity:0;transition:opacity .2s var(--ease);
}
.qa-accordion .accordion-button:not(.collapsed){color:var(--accent);background:rgba(194,91,58,.05)}
.qa-accordion .accordion-button:not(.collapsed)::before{opacity:1}
.qa-accordion .accordion-button:hover{color:var(--accent)}
.qa-accordion .accordion-button::after{
  content:"";position:absolute;right:14px;top:26px;
  width:16px;height:16px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect x='7' y='1' width='2' height='14' rx='1' fill='%23C25B3A'/%3E%3Crect x='1' y='7' width='14' height='2' rx='1' fill='%23C25B3A'/%3E%3C/svg%3E");
  background-size:16px 16px;background-repeat:no-repeat;
  transition:transform .24s var(--ease);
}
.qa-accordion .accordion-button:not(.collapsed)::after{transform:rotate(135deg)}
.qa-accordion .qa-num{
  flex:0 0 auto;font-family:var(--serif);font-size:15px;font-weight:700;
  color:var(--teal);font-variant-numeric:tabular-nums;padding-top:3px;
}
.qa-accordion .accordion-body{
  padding:0 44px 26px 20px;font-size:15.5px;color:var(--text-2);line-height:1.9;
}
.qa-accordion .accordion-body strong{color:var(--ink)}

/* ---------- 表单 ---------- */
.form-panel{
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
}
.form-panel h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:12px}
.form-panel .form-intro{font-size:15px;color:var(--text-2);margin-bottom:0}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:11px 14px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{
  background:#fff;border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,110,106,.12);
}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-foot .privacy{font-size:12.8px;color:var(--text-3)}
.form-aside{background:var(--bg-alt);border-radius:var(--r-card);padding:26px 24px;border:1px solid var(--line)}
.form-aside h3{font-size:17px;margin-bottom:14px}
.form-aside ul{display:flex;flex-direction:column;gap:12px}
.form-aside li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.75}
.form-aside li svg{flex:0 0 auto;margin-top:5px;color:var(--teal)}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8CCBB}
.rel-card .rel-index{
  font-family:var(--serif);font-size:13px;color:var(--accent);letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.rel-card strong{font-size:16.5px;color:var(--ink);font-weight:700}
.rel-card span{font-size:13.5px;color:var(--text-2);line-height:1.75}
.rel-card .rel-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--teal);margin-top:4px}
.rel-card:hover .rel-arrow{color:var(--accent)}

.cta-band{
  margin-top:36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--ink);border-radius:var(--r-card);
  padding:32px 36px;color:var(--on-dark);
}
.cta-band h3{color:#FFF9F0;font-size:22px;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:rgba(233,225,212,.8);max-width:560px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;border-color:rgba(233,225,212,.4);color:var(--on-dark)}
.cta-band .btn-ghost:hover{background:rgba(233,225,212,.12);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(233,225,212,.16)}
.footer-brand .brand-text strong{color:#FFF9F0}
.footer-brand .brand-text em{color:rgba(233,225,212,.55)}
.footer-brand .brand-mark{background:var(--accent)}
.footer-brand .brand-mark::after{background:var(--on-dark)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(233,225,212,.72);max-width:340px}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col h3{font-family:var(--serif);font-size:16px;color:#FFF9F0;margin-bottom:6px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(233,225,212,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(233,225,212,.6)}
.back-top{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;cursor:pointer;
  background:rgba(233,225,212,.10);border:1px solid rgba(233,225,212,.24);
  color:var(--on-dark);font-size:13px;
  transition:all .2s var(--ease);
}
.back-top:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link-item{padding:0 9px;font-size:14px}
  .qa-layout{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:991.98px){
  .header-main{gap:14px}
  .nav-search,.nav-links,.btn-contact{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel .nav-search,
  .mobile-panel .nav-links{display:flex}
  .hot-row{padding-bottom:10px}
  .page-hero{padding:48px 0 42px}
  .section{padding:64px 0}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path-item::after{display:none}
  .qa-layout{grid-template-columns:1fr}
  .side-col{position:static}
  .form-panel{grid-template-columns:1fr;padding:30px 24px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:20px}
  .hero-stats div:nth-child(2n){border-right:none}
  .hero-stats div:nth-child(-n+2){padding-bottom:20px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .card-grid-2{grid-template-columns:1fr}
  .section-head.row-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section{padding:56px 0}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 22px}
  .breadcrumb-row .current{max-width:60vw}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .path-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stats div{border-right:none;padding-right:0}
  .hero-stats div+div{padding-top:14px;border-top:1px solid rgba(233,225,212,.14)}
  .brand-text strong{font-size:17px}
  .qa-accordion .accordion-button{font-size:16.5px;padding:18px 40px 18px 16px}
  .qa-accordion .accordion-body{padding:0 20px 22px 16px}
  .btn-main,.btn-ghost,.btn-slim{width:100%}
  .qa-meta a{white-space:nowrap}
}