/* roulang page: index */
:root{
  --ink:#16302B;
  --ink-soft:#1E3E37;
  --copper:#C0663A;
  --copper-dark:#A8552F;
  --celadon:#94A79E;
  --paper:#F6F4EF;
  --paper-deep:#F0EDE7;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#16191A;
  --muted:#5C6663;
  --ok:#4E7A5E;
  --warn:#B3492F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:24px;
  --shadow-1:0 1px 2px rgba(22,48,43,.05);
  --shadow-2:0 10px 28px rgba(22,48,43,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--copper)}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit}
figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
::selection{background:rgba(192,102,58,.18)}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 通用按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn i{transition:transform .26s var(--ease)}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 1px 2px rgba(22,48,43,.08)}
.btn-primary:hover{background:var(--copper-dark);color:#fff}
.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:rgba(22,48,43,.08);color:var(--ink)}
.btn-outline:hover i{transform:translateX(4px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);position:relative}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--copper);transition:width .26s var(--ease)}
.link-more:hover{color:var(--copper)}
.link-more:hover::after{width:100%}
.link-more:hover i{transform:translateX(4px)}
.link-more i{transition:transform .26s var(--ease)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:500;letter-spacing:.02em;
  background:rgba(22,48,43,.06);color:var(--ink);
}
.tag-warm{background:rgba(192,102,58,.12);color:var(--copper-dark)}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .26s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(22,48,43,.08)}
.nav-top{display:flex;align-items:center;gap:24px;height:76px;transition:height .26s var(--ease)}
.site-header.is-stuck .nav-top{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:16px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.nav-search{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.search-form{
  position:relative;display:flex;align-items:center;width:100%;max-width:520px;height:48px;
  padding:0 6px 0 20px;background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-form:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,48,43,.18)}
.search-icon{color:var(--celadon);font-size:15px;margin-right:12px}
.search-input{
  flex:1 1 auto;min-width:0;height:100%;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--text);
}
.search-input::placeholder{color:var(--celadon)}
.search-input::-webkit-search-cancel-button{display:none}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 20px;border-radius:999px;
  background:var(--copper);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .22s var(--ease);
}
.search-btn:hover{background:var(--copper-dark)}
.nav-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.nav-mini{
  font-size:14px;font-weight:500;color:var(--muted);padding:8px 12px;border-radius:999px;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-mini:hover{color:var(--ink);background:rgba(22,48,43,.06)}
.nav-icon-btn{
  display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
  font-size:17px;color:var(--ink);transition:background-color .22s var(--ease);
}
.nav-icon-btn:hover{background:rgba(22,48,43,.06)}
.cat-bar{border-top:1px solid var(--line);background:#fff}
.cat-bar .wrap{display:flex;align-items:center;gap:10px;padding-top:12px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none}
.cat-bar .wrap::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--muted);
  transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.cat-pill:hover{color:var(--ink);border-color:var(--ink)}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.cat-pill.is-active:hover{color:#fff}
.mobile-search{display:none;border-top:1px solid var(--line);padding:12px 0}
.mobile-search.is-open{display:block}
.mobile-search .search-form{max-width:none;height:44px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,48,43,.42);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;max-width:84vw;background:#fff;z-index:95;
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px;box-shadow:-12px 0 32px rgba(22,48,43,.12);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink)}
.drawer-close:hover{background:rgba(22,48,43,.06)}
.drawer-nav{display:flex;flex-direction:column;padding-top:16px;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink);
}
.drawer-nav a:hover{background:rgba(22,48,43,.06)}
.drawer-nav a.is-active{background:var(--ink);color:#fff}
.drawer-note{margin-top:auto;font-size:12px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);padding-top:14px}

/* ---------- 通用板块头 ---------- */
section{position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{
  font-family:var(--font-serif);font-weight:700;color:var(--ink);
  font-size:clamp(26px,3.2vw,36px);line-height:1.25;letter-spacing:.01em;
}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--copper);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--copper)}

/* ---------- Hero ---------- */
.hero{padding:88px 0 84px;background:linear-gradient(180deg,#FBFAF7 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.hero-grid{align-items:center}
.hero h1{
  font-family:var(--font-serif);font-weight:700;color:var(--ink);
  font-size:clamp(34px,5.2vw,58px);line-height:1.15;letter-spacing:.01em;
  margin:0 0 20px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px}
.trust-pill{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--muted);
}
.trust-pill i{font-size:11px;color:var(--copper)}
.hero-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(22,48,43,.11)}
.hero-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:#fff;border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:12px;
}
.hero-badge strong{font-family:var(--font-serif);font-size:22px;color:var(--ink)}
.hero-badge span{font-size:13px;color:var(--muted);line-height:1.5}

/* ---------- 精选网格 ---------- */
.picks{padding:96px 0}
.pick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.pick-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D2C6}
.pick-card.is-lead{grid-column:span 2;grid-row:span 2}
.card-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--paper-deep)}
.pick-card.is-lead .card-media{aspect-ratio:16/9}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.pick-card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:12px;padding:22px;flex:1 1 auto}
.card-body h3{font-family:var(--font-serif);font-size:18px;line-height:1.45;font-weight:600;color:var(--ink)}
.pick-card.is-lead .card-body h3{font-size:24px;line-height:1.35}
.card-desc{font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pick-card.is-lead .card-desc{-webkit-line-clamp:4;font-size:15px}
.card-stat{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);
  padding-top:4px;
}
.card-stat b{font-family:var(--font-serif);font-size:19px;color:var(--copper-dark);font-variant-numeric:tabular-nums}
.card-stat .divider{width:1px;height:14px;background:var(--line)}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);padding-top:8px}
.card-foot i{transition:transform .26s var(--ease);font-size:12px}
.pick-card:hover .card-foot{color:var(--copper)}
.pick-card:hover .card-foot i{transform:translateX(4px)}
.pick-more{
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  border:1px dashed #D6D0C3;border-radius:var(--r-md);padding:26px;background:rgba(255,255,255,.6);
  transition:border-color .28s var(--ease),background-color .28s var(--ease);
}
.pick-more:hover{border-color:var(--copper);background:#fff}
.pick-more h3{font-family:var(--font-serif);font-size:18px;color:var(--ink);line-height:1.45}
.pick-more p{font-size:14px;color:var(--muted);line-height:1.8}
.pick-more span{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--copper-dark)}
.pick-more:hover span i{transform:translateX(4px)}
.pick-more span i{transition:transform .26s var(--ease);font-size:12px}

/* ---------- 评价轮播 ---------- */
.reviews{padding:96px 0;background:#FBFAF7;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.review-arrows{display:flex;gap:10px}
.arrow-btn{
  width:46px;height:46px;border-radius:999px;border:1.5px solid var(--ink);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:14px;background:#fff;
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.arrow-btn:hover{background:var(--ink);color:#fff}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 22px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  position:relative;flex:0 0 340px;max-width:340px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px 22px;box-shadow:var(--shadow-1);
}
.review-card::before{
  content:"\201C";position:absolute;top:2px;right:18px;font-family:var(--font-serif);
  font-size:70px;line-height:1;color:rgba(192,102,58,.12);pointer-events:none;
}
.review-quote{font-size:15px;line-height:1.85;color:var(--text);margin-bottom:20px;position:relative;z-index:1}
.review-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted)}
.review-meta span{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);
}
.review-dots{display:flex;gap:6px;margin-top:8px}
.review-dots button{
  width:26px;height:4px;border-radius:999px;background:rgba(22,48,43,.3);
  transition:background-color .24s var(--ease);
}
.review-dots button.is-active{background:var(--copper)}

/* ---------- 最新信息 CMS ---------- */
.latest{padding:96px 0}
.post-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D2C6}
.post-link{display:flex;flex-direction:column;height:100%;padding:24px}
.post-body{display:flex;flex-direction:column;gap:12px;height:100%}
.post-title{
  font-family:var(--font-serif);font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.post-card:hover .post-title{color:var(--copper)}
.post-summary{
  font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.post-meta .row{display:flex;align-items:center;gap:8px}
.post-meta i{font-size:12px;color:var(--celadon)}
.post-go{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink)}
.post-card:hover .post-go{color:var(--copper)}
.post-go i{transition:transform .26s var(--ease)}
.post-card:hover .post-go i{transform:translateX(4px)}
.empty-state{
  background:#FBFAF7;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-icon{
  width:60px;height:60px;margin:0 auto 18px;border-radius:16px;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--celadon);
}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- 保障条 ---------- */
.guarantee{padding:80px 0;background:#FBFAF7;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guarantee h2{font-family:var(--font-serif);font-size:clamp(24px,2.6vw,30px);color:var(--ink);text-align:center;margin-bottom:44px}
.guarantee-list{display:flex;align-items:stretch;justify-content:space-between;gap:0}
.guarantee-list li{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;
  padding:0 22px;position:relative;
}
.guarantee-list li+li::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.guarantee-list i{
  width:46px;height:46px;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink);
}
.guarantee-list strong{font-size:15px;font-weight:600;color:var(--ink)}
.guarantee-list em{font-style:normal;font-size:13px;color:var(--muted);line-height:1.7;max-width:220px}

/* ---------- FAQ ---------- */
.faq{padding:96px 0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;min-height:64px;padding:16px 4px;
  text-align:left;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--copper)}
.faq-q .idx{font-family:var(--font-sans);font-size:13px;font-weight:600;color:var(--celadon);font-variant-numeric:tabular-nums;flex:0 0 auto}
.faq-q .qtext{flex:1 1 auto}
.faq-q .ficon{
  flex:0 0 auto;width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);font-size:12px;color:var(--muted);
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-q .ficon{transform:rotate(45deg);color:var(--copper);border-color:var(--copper)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a-inner{
  background:var(--paper-deep);border-left:3px solid var(--ink);
  padding:20px 22px;margin:0 0 18px;font-size:15px;line-height:1.85;color:var(--muted);
}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- 分类入口 ---------- */
.cats{padding:96px 0;background:#FBFAF7;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cat-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D2C6}
.cat-card .card-media{aspect-ratio:16/9}
.cat-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.cat-card:hover .card-media img{transform:scale(1.04)}
.cat-body{display:flex;flex-direction:column;gap:12px;padding:24px;flex:1 1 auto}
.cat-body h3{font-family:var(--font-serif);font-size:20px;font-weight:600;color:var(--ink);line-height:1.4}
.cat-body p{font-size:14px;line-height:1.8;color:var(--muted)}
.cat-link{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--copper-dark);padding-top:6px}
.cat-link i{transition:transform .26s var(--ease);font-size:12px}
.cat-card:hover .cat-link i{transform:translateX(4px)}

/* ---------- CTA 区 ---------- */
.cta-band{
  position:relative;padding:88px 0;color:#fff;overflow:hidden;
  background-image:linear-gradient(rgba(22,48,43,.86),rgba(22,48,43,.86)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h2{font-family:var(--font-serif);font-size:clamp(26px,3.4vw,40px);line-height:1.25;color:#fff;margin-bottom:12px}
.cta-text p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--copper)}
.cta-band .btn-primary:hover{background:#fff;color:var(--ink)}
.cta-link{font-size:15px;font-weight:600;color:#fff;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}
.cta-link:hover{color:var(--copper);border-color:var(--copper)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:56px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:var(--copper)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:18px 0 20px;max-width:300px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);font-size:14px;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.footer-social a:hover{border-color:var(--copper);color:#fff;background:rgba(192,102,58,.22)}
.footer-col h3{font-family:var(--font-serif);font-size:16px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,.66);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col a::before{
  content:"\2192";font-size:12px;opacity:0;width:0;overflow:hidden;
  transition:opacity .22s var(--ease),width .22s var(--ease);
}
.footer-col a:hover{color:var(--copper);transform:translateX(2px)}
.footer-col a:hover::before{opacity:1;width:12px}
.subscribe{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.subscribe label{font-size:13px;color:rgba(255,255,255,.6)}
.subscribe .field{display:flex;gap:8px}
.subscribe input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{outline:0;border-color:var(--copper);box-shadow:0 0 0 3px rgba(192,102,58,.24)}
.subscribe .btn{height:48px;padding:0 18px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--copper)}

/* ---------- 动效 ---------- */
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .pick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pick-card.is-lead{grid-column:span 2;grid-row:span 2}
}
@media (max-width:1023px){
  .wrap{padding:0 24px}
  .nav-top{gap:16px;height:68px}
  .nav-mini{display:none}
  .nav-icon-btn{display:flex}
  .nav-search{display:none}
  .hero{padding:64px 0 60px}
  .hero-media{margin-top:36px}
  .picks,.reviews,.latest,.faq,.cats{padding:72px 0}
  .guarantee{padding:64px 0}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pick-card.is-lead{grid-column:span 2;grid-row:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .nav-top{height:60px;gap:10px}
  .site-header.is-stuck .nav-top{height:56px}
  .nav-mini{display:none}
  .cat-bar .wrap{padding-top:10px;padding-bottom:10px}
  .hero{padding:48px 0 52px}
  .hero h1{margin-bottom:16px}
  .hero-lead{font-size:16px;margin-bottom:26px}
  .hero-cta{gap:10px;margin-bottom:26px}
  .hero-cta .btn{flex:1 1 auto}
  .btn{height:44px;padding:0 18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .pick-grid{grid-template-columns:1fr;gap:18px}
  .review-card{flex:0 0 84%;max-width:84%}
  .guarantee-list{display:grid;grid-template-columns:1fr 1fr;gap:28px 0}
  .guarantee-list li{padding:0 12px}
  .guarantee-list li:nth-child(odd)::before{display:none}
  .guarantee-list li:nth-child(n+3)::after{content:"";position:absolute;left:14px;right:14px;top:-14px;height:1px;background:var(--line)}
  .faq-q{font-size:16px;min-height:58px;gap:12px}
  .cta-band{padding:64px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:479px){
  .logo-text{font-size:18px}
  .hero h1{font-size:32px}
  .review-card{flex:0 0 90%;max-width:90%}
  .guarantee-list{grid-template-columns:1fr}
  .guarantee-list li::before{display:none!important}
  .guarantee-list li:nth-child(n+2)::after{content:"";position:absolute;left:14px;right:14px;top:-14px;height:1px;background:var(--line)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html.js .reveal{transform:none;opacity:0}
  html.js .reveal.is-visible{opacity:1}
  .pick-card:hover,.post-card:hover,.cat-card:hover{transform:none}
  .pick-card:hover .card-media img,.cat-card:hover .card-media img{transform:none}
}

/* roulang page: category1 */
:root{
  --primary:#16302B;
  --primary-soft:rgba(22,48,43,.08);
  --accent:#C0663A;
  --accent-dark:#A9542C;
  --muted-sage:#94A79E;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --ink:#16191A;
  --ink-2:#5C6663;
  --ok:#4E7A5E;
  --warn:#B3492F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:24px;
  --sh-1:0 1px 2px rgba(22,48,43,.05);
  --sh-2:0 10px 28px rgba(22,48,43,.10);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC",serif;
  color:var(--primary);
  margin:0;
  font-weight:700;
}
p{margin:0 0 var(--sp-3)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
::selection{background:rgba(192,102,58,.22)}

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,244,239,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,48,43,.08)}
.header-main{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  height:76px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-main{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  font-family:"Noto Serif SC",serif;
  font-weight:700;
  font-size:19px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
}
.logo-text{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:520px;
  margin:0 auto;
  display:flex;
  align-items:center;
  height:48px;
  padding-left:20px;
  padding-right:4px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(22,48,43,.18);
}
.nav-search .fa-magnifying-glass{
  color:var(--muted-sage);
  font-size:15px;
  margin-right:10px;
}
.nav-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  outline:none;
  background:transparent;
  color:var(--ink);
  font-size:15px;
}
.nav-search input::placeholder{color:var(--muted-sage)}
.nav-search button{
  height:40px;
  padding:0 22px;
  border:0;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-search button:hover{background:var(--accent-dark)}
.nav-search button:active{transform:scale(.97)}
.header-actions{display:flex;align-items:center;gap:var(--sp-3);flex:0 0 auto}
.header-actions .text-link{
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  letter-spacing:.02em;
  transition:color .2s var(--ease);
}
.header-actions .text-link:hover{color:var(--accent)}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--primary);
  font-size:17px;
}

/* ---------- 分类胶囊行 ---------- */
.cat-bar{
  border-top:1px solid rgba(228,224,216,.7);
  background:rgba(255,255,255,.6);
}
.cat-bar .wrap{
  display:flex;
  align-items:center;
  gap:var(--sp-1);
  padding-top:10px;
  padding-bottom:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-bar .wrap::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;
  padding:7px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.cat-pill:hover{border-color:var(--primary);color:var(--primary)}
.cat-pill.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(22,48,43,.42);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;
  top:0;right:0;
  width:300px;max-width:86vw;height:100%;
  background:#fff;
  z-index:100;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  box-shadow:-12px 0 40px rgba(22,48,43,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--primary);
  font-size:16px;
}
.drawer-nav{padding:14px 12px;display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 16px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
}
.drawer-nav a.is-active{background:var(--primary);color:#fff}
.drawer-nav a:hover{background:var(--primary-soft);color:var(--primary)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:22px 0 4px;
  font-size:14px;
  color:var(--ink-2);
  letter-spacing:.02em;
}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 8px;color:var(--muted-sage)}
.breadcrumb .current{color:var(--accent)}

/* ---------- 分类页头 ---------- */
.page-hero{
  position:relative;
  margin-top:16px;
  min-height:260px;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  display:flex;
  align-items:center;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,48,43,.88) 0%,rgba(22,48,43,.72) 58%,rgba(22,48,43,.56) 100%);
}
.page-hero .inner{
  position:relative;
  z-index:2;
  padding:52px 48px;
  max-width:760px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.04em;
}
.tag.on-dark{
  border:1px solid rgba(255,255,255,.4);
  color:#F6F4EF;
}
.page-hero h1{
  margin:18px 0 14px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  color:#fff;
}
.page-hero .sub{
  margin:0;
  color:rgba(246,244,239,.86);
  font-size:16px;
  line-height:1.7;
  max-width:560px;
}
.page-hero .hero-meta{
  margin-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.page-hero .hero-meta span{
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:rgba(246,244,239,.92);
  font-size:13px;
  letter-spacing:.02em;
}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-8) 0}
.section.tight{padding:var(--sp-7) 0}
.section-head{max-width:720px;margin-bottom:var(--sp-6)}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3.2vw,36px);line-height:1.25}
.section-head .lead{margin-top:14px;color:var(--ink-2);font-size:16px}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--sp-7);
  align-items:start;
}
.split .copy p{color:var(--ink-2)}
.split .copy p strong{color:var(--primary)}
.rank-list{margin-top:var(--sp-4);border-top:1px solid var(--line)}
.rank-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:var(--sp-3);
  padding:18px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.rank-item .idx{
  font-family:"Noto Serif SC",serif;
  font-weight:700;
  font-size:20px;
  color:var(--accent);
  line-height:1.5;
  position:relative;
  padding-left:14px;
}
.rank-item .idx::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:2px;
  background:var(--accent);
  border-radius:2px;
}
.rank-item h3{font-size:18px;line-height:1.45;margin-bottom:6px}
.rank-item p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.7}
.figure-card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.figure-card .pic{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
}
.figure-card .pic img{width:100%;height:100%;object-fit:cover}
.figure-card .cap{
  padding:16px 20px 20px;
}
.figure-card .cap strong{
  display:block;
  font-family:"Noto Serif SC",serif;
  font-size:17px;
  color:var(--primary);
  margin-bottom:6px;
}
.figure-card .cap span{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 要点卡片 ---------- */
.card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D2C6}
.card .ico{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  margin-bottom:18px;
}
.card h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.card p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.75}
.card .mini-tag{
  display:inline-block;
  margin-top:16px;
  padding:4px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--muted-sage);
  letter-spacing:.02em;
}
.grid-cards{margin-top:-24px}

/* ---------- 核对表 ---------- */
.check-wrap{
  margin-top:var(--sp-5);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.check-row{
  display:grid;
  grid-template-columns:1.05fr 1.9fr auto;
  gap:var(--sp-4);
  align-items:center;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.check-row:last-child{border-bottom:0}
.check-row:hover{background:#FBFAF7}
.check-row.head{
  background:#F0EDE7;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ink-2);
  font-weight:500;
  padding-top:14px;padding-bottom:14px;
}
.check-row .item{
  font-family:"Noto Serif SC",serif;
  font-weight:700;
  color:var(--primary);
  font-size:16px;
}
.check-row .desc{font-size:15px;color:var(--ink-2);line-height:1.7}
.state{
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  white-space:nowrap;
  letter-spacing:.02em;
}
.state.must{background:rgba(192,102,58,.12);color:var(--accent-dark)}
.state.tip{background:rgba(78,122,94,.12);color:var(--ok)}

/* ---------- 异常对照 ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4);margin-top:var(--sp-5)}
.scene-card{
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--r-md);
  background:#fff;
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-card h3{font-size:17px;margin-bottom:10px}
.scene-card p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.75}
.scene-card .steps{
  margin-top:14px;
  display:flex;flex-wrap:wrap;gap:8px;
}
.scene-card .steps span{
  font-size:13px;
  padding:4px 11px;
  border-radius:8px;
  background:#F6F4EF;
  color:var(--ink-2);
  border:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin-top:var(--sp-5);border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  gap:var(--sp-3);
  padding:16px 4px;
  border:0;
  background:transparent;
  text-align:left;
  color:var(--primary);
  font-family:"Noto Serif SC",serif;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q .q-idx{
  font-family:"Noto Sans SC",sans-serif;
  font-size:13px;
  font-weight:500;
  color:var(--muted-sage);
  min-width:30px;
  letter-spacing:.04em;
}
.faq-q .q-text{flex:1}
.faq-q .sign{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);
  font-size:13px;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);background:var(--accent);color:#fff;border-color:var(--accent)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a .inner{
  background:#F0EDE7;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:20px;
  margin:0 0 20px 30px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  margin:var(--sp-6) 0 var(--sp-8);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,48,43,.90) 0%,rgba(22,48,43,.80) 100%);
}
.cta-inner{
  position:relative;
  z-index:2;
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-6);
}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.3}
.cta-inner p{margin:12px 0 0;color:rgba(246,244,239,.82);font-size:15px;max-width:520px}
.cta-actions{display:flex;align-items:center;gap:var(--sp-4);flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 26px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:all .26s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .26s var(--ease)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{
  border:1.5px solid var(--primary);
  color:var(--primary);
  background:transparent;
}
.btn-outline:hover{background:var(--primary-soft)}
.btn-outline:hover i{transform:translateX(4px)}
.btn-ghost{
  border:1.5px solid rgba(255,255,255,.55);
  color:#fff;
  background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

.text-btn{
  position:relative;
  color:var(--primary);
  font-size:15px;
  font-weight:500;
  padding-bottom:3px;
}
.text-btn::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:1.5px;
  background:var(--primary);
  transition:width .26s var(--ease);
}
.text-btn:hover::after{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--primary);
  color:rgba(246,244,239,.78);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:var(--sp-6);
  padding-bottom:48px;
}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:var(--accent);color:#fff}
.footer-desc{
  margin:18px 0 20px;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(246,244,239,.7);
  max-width:340px;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;
  border:1px solid rgba(246,244,239,.24);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:rgba(246,244,239,.8);
  font-size:14px;
  transition:all .24s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.footer-col h3{
  color:#fff;
  font-size:15px;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{
  font-size:14.5px;
  color:rgba(246,244,239,.72);
  transition:all .22s var(--ease);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-col ul a::before{
  content:"›";
  opacity:0;
  transform:translateX(-4px);
  transition:all .22s var(--ease);
}
.footer-col ul a:hover{color:#fff}
.footer-col ul a:hover::before{opacity:1;transform:translateX(0)}
.subscribe label{
  display:block;
  font-size:14px;
  color:rgba(246,244,239,.72);
  margin-bottom:12px;
  line-height:1.7;
}
.subscribe .field{display:flex;gap:8px}
.subscribe input{
  flex:1;min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:10px;
  border:1px solid rgba(246,244,239,.24);
  background:rgba(255,255,255,.06);
  color:#fff;
  outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe input::placeholder{color:rgba(246,244,239,.45)}
.subscribe input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,102,58,.25)}
.subscribe .btn{height:48px;padding:0 20px}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.16);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(246,244,239,.6);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .links a{transition:color .22s var(--ease)}
.footer-bottom .links a:hover{color:#fff}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .wrap{padding:0 24px}
  .section{padding:72px 0}
  .section.tight{padding:64px 0}
  .header-actions .text-link{display:none}
  .split{grid-template-columns:1fr;gap:var(--sp-5)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-5)}
  .page-hero .inner{padding:44px 32px}
  .cta-inner{padding:48px 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .section.tight{padding:52px 0}
  .header-main{height:60px;gap:12px}
  .site-header.is-scrolled .header-main{height:60px}
  .logo-text{font-size:17px}
  .nav-search{display:none}
  .menu-toggle{display:flex;align-items:center;justify-content:center}
  .cat-bar{display:none}
  .page-hero{min-height:220px;margin-top:12px;border-radius:18px}
  .page-hero .inner{padding:36px 22px}
  .page-hero h1{font-size:clamp(24px,6.4vw,30px)}
  .check-row{grid-template-columns:1fr;gap:8px;padding:18px 18px}
  .check-row.head{display:none}
  .check-row .state{justify-self:start}
  .two-col{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 24px}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-5);padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .faq-a .inner{margin-left:0}
}
@media (max-width:519px){
  .rank-item{grid-template-columns:44px 1fr}
  .subscribe .field{flex-direction:column}
  .subscribe .btn{width:100%}
  .hero-meta{gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{transform:none}
  .card:hover,.scene-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#16302B;
  --ink-soft:#1F4139;
  --copper:#C0663A;
  --copper-dark:#A8552C;
  --celadon:#94A79E;
  --paper:#F6F4EF;
  --paper-deep:#F0EDE7;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#16191A;
  --muted:#5C6663;
  --positive:#4E7A5E;
  --warn:#B3492F;
  --r-s:8px;
  --r-m:14px;
  --r-l:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,48,43,.05);
  --sh-2:0 10px 28px rgba(22,48,43,.10);
  --wrap:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 18px;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--copper);}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap,.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.tnum{font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .28s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .28s var(--ease);}
.btn-primary{background:var(--copper);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--copper-dark);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:rgba(22,48,43,.08);color:var(--ink);}
.btn-outline:hover i{transform:translateX(4px);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#fff;color:var(--copper);}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--copper);
  transition:width .26s var(--ease);
}
.link-more:hover{color:var(--copper);}
.link-more:hover::after{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;
}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--paper);
  border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(22,48,43,.07);}
.header-main{
  display:flex;align-items:center;gap:20px;height:76px;transition:height .3s var(--ease);
}
.site-header.is-scrolled .header-main{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:700;font-size:19px;letter-spacing:0;
}
.logo-text{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap;}
.site-search{
  flex:1 1 460px;max-width:520px;height:48px;display:flex;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  padding:0 6px 0 18px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,48,43,.18);}
.site-search i{color:var(--celadon);font-size:15px;margin-right:10px;}
.site-search input{
  flex:1;border:0;outline:none;background:transparent;height:100%;font-size:15px;color:var(--text);
}
.site-search input::placeholder{color:var(--celadon);}
.search-btn{
  height:38px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--copper);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background .24s var(--ease);
}
.search-btn:hover{background:var(--copper-dark);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
}
.cat-bar{border-top:1px solid var(--line);background:var(--paper);}
.cat-bar .wrap{display:flex;gap:10px;align-items:center;height:56px;overflow-x:auto;scrollbar-width:none;}
.cat-bar .wrap::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:13.5px;font-weight:500;letter-spacing:.02em;
  color:var(--muted);white-space:nowrap;transition:all .24s var(--ease);
}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* 阅读进度 */
.progress-track{position:fixed;top:0;left:0;right:0;height:2px;background:transparent;z-index:80;}
.progress-bar{height:100%;width:0;background:var(--copper);transition:width .08s linear;}

/* 面包屑 */
.crumb-wrap{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--muted);padding:16px 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb .sep{color:var(--celadon);}
.breadcrumb .current{color:var(--copper);font-weight:600;}

/* 文章头 */
.article-hero{position:relative;background:var(--ink);overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.24;
}
.article-hero .wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.34);color:#E8E4DA;font-size:13px;letter-spacing:.04em;
}
.article-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,42px);line-height:1.25;margin:20px 0 18px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:#C6D0CA;letter-spacing:.02em;
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--celadon);font-size:12px;}

/* 正文区 */
.article-shell{padding:72px 0 96px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:48px;align-items:start;}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:48px 52px;box-shadow:var(--sh-1);max-width:760px;margin:0 auto;
}
.article-body>*:first-child{margin-top:0;}
.article-body h3{
  font-size:21px;line-height:1.45;margin:38px 0 14px;padding-left:14px;position:relative;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--copper);
}
.article-body h4{font-size:17.5px;margin:26px 0 10px;}
.article-body p{font-size:16.5px;line-height:1.85;color:var(--text);margin:0 0 20px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:10px;line-height:1.8;color:var(--text);
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;background:var(--celadon);border-radius:1px;
}
.article-body ol{counter-reset:li;}
.article-body ol li::before{
  counter-increment:li;content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:12.5px;font-weight:600;color:var(--copper);
  font-variant-numeric:tabular-nums;line-height:1.8;
}
.article-body blockquote{
  margin:0 0 22px;padding:18px 22px;background:var(--paper-deep);
  border-left:3px solid var(--ink);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-m);margin:22px 0 10px;width:100%;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 22px;}
.article-body .table-scroll{overflow-x:auto;margin-bottom:22px;}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap;
}
.article-body th{background:var(--paper-deep);color:var(--ink);font-weight:600;}
.article-body strong{color:var(--ink);}
.article-body a{color:var(--copper);border-bottom:1px solid rgba(192,102,58,.4);}
.article-body a:hover{color:var(--copper-dark);}

/* 目录 */
.toc{
  position:sticky;top:112px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-m);padding:22px;box-shadow:var(--sh-1);
}
.toc h3{
  font-size:13px;letter-spacing:.14em;color:var(--muted);font-weight:600;
  text-transform:uppercase;margin-bottom:14px;font-family:var(--sans);
}
.toc ol{counter-reset:toc;}
.toc li{margin-bottom:10px;}
.toc a{
  display:flex;gap:10px;font-size:14px;line-height:1.55;color:var(--muted);
  border-left:2px solid transparent;padding-left:10px;transition:all .22s var(--ease);
}
.toc a::before{
  counter-increment:toc;content:counter(toc,decimal-leading-zero);
  font-variant-numeric:tabular-nums;color:var(--celadon);font-size:12.5px;flex:0 0 auto;
}
.toc a:hover,.toc a.is-current{color:var(--ink);border-left-color:var(--copper);}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--paper-deep);color:var(--muted);font-size:13px;letter-spacing:.02em;
  transition:all .22s var(--ease);
}
.tag:hover{background:var(--ink);color:#fff;}

/* 通用区块 */
.section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);line-height:1.25;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--copper);
  margin-bottom:12px;font-weight:600;
}
.section-head p{color:var(--muted);margin:10px 0 0;max-width:640px;font-size:15.5px;}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-thumb{aspect-ratio:3/2;overflow:hidden;background:var(--paper-deep);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-inner{padding:22px;display:flex;flex-direction:column;flex:1;}
.card-label{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(192,102,58,.1);color:var(--copper);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;
}
.post-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.post-card h3 a{color:var(--ink);}
.post-card:hover h3 a{color:var(--copper);}
.post-card p{
  font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--celadon);letter-spacing:.02em;
}
.post-foot .go{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.post-card:hover .post-foot .go{color:var(--copper);}

/* 返回入口 */
.back-strip{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-1);margin-top:64px;flex-wrap:wrap;
}
.back-strip h3{font-size:20px;margin-bottom:6px;}
.back-strip p{margin:0;color:var(--muted);font-size:14.5px;}

/* CTA */
.cta-band{position:relative;background:var(--ink);overflow:hidden;border-radius:var(--r-l);}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.2;
}
.cta-inner{
  position:relative;z-index:2;padding:56px 52px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:10px;}
.cta-inner p{color:#C6D0CA;margin:0;font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 空态 */
.empty-state{
  background:var(--paper-deep);border:1px dashed var(--line);border-radius:var(--r-m);
  padding:56px 28px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--celadon);margin-bottom:16px;display:block;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

/* 页脚 */
.site-footer{background:var(--ink);color:#C6D0CA;margin-top:96px;}
.site-footer .wrap{padding-top:72px;padding-bottom:28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-mark{background:var(--copper);color:#fff;}
.footer-desc{font-size:14.5px;line-height:1.8;color:#A8B4AE;margin:18px 0 20px;max-width:320px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  display:inline-flex;align-items:center;justify-content:center;color:#C6D0CA;font-size:14px;
  transition:all .24s var(--ease);
}
.footer-social a:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-2px);}
.footer-col h3{
  color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:20px;font-family:var(--sans);
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  color:#A8B4AE;font-size:14.5px;position:relative;display:inline-block;transition:all .22s var(--ease);
}
.footer-col ul a::before{
  content:"›";position:absolute;left:-12px;opacity:0;transition:all .22s var(--ease);
}
.footer-col ul a:hover{color:#fff;transform:translateX(4px);}
.footer-col ul a:hover::before{opacity:1;color:var(--copper);}
.subscribe label{display:block;font-size:14px;color:#A8B4AE;margin-bottom:14px;line-height:1.7;}
.subscribe .field{display:flex;gap:10px;}
.subscribe input{
  flex:1;height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);padding:0 16px;color:#fff;font-size:14.5px;outline:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.subscribe input::placeholder{color:#8C9A94;}
.subscribe input:focus{border-color:var(--copper);box-shadow:0 0 0 3px rgba(192,102,58,.22);}
.subscribe .btn{height:48px;padding:0 22px;}
.footer-bottom{
  margin-top:56px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:#8C9A94;
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .links a{color:#8C9A94;}
.footer-bottom .links a:hover{color:#fff;}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:36px;}
}
@media (max-width:1023px){
  .wrap,.container{padding:0 24px;}
  .section{padding:72px 0;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .toc{display:none;}
  .article-body{padding:40px 36px;max-width:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .wrap,.container{padding:0 16px;}
  .section{padding:56px 0;}
  .header-main{height:60px;flex-wrap:wrap;gap:12px;}
  .site-header.is-scrolled .header-main{height:60px;}
  .cat-bar .wrap{height:52px;}
  .site-search{display:none;order:3;width:100%;max-width:none;margin-bottom:12px;}
  .site-header.is-search-open .site-search{display:flex;}
  .search-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .article-hero .wrap{padding-top:44px;padding-bottom:44px;}
  .article-shell{padding:48px 0 64px;}
  .article-body{padding:30px 20px;border-radius:var(--r-m);}
  .article-body p{font-size:16px;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{padding:40px 24px;}
  .back-strip{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .subscribe .field{flex-direction:column;}
  .subscribe .btn{width:100%;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .logo-text{font-size:17px;}
  .article-body h3{font-size:19px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
  .post-card:hover{transform:none;}
  .post-card:hover .post-thumb img{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#16302B;
  --ink-soft:#1F4038;
  --copper:#C0663A;
  --copper-dark:#A8552F;
  --celadon:#94A79E;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#16191A;
  --muted:#5C6663;
  --ok:#4E7A5E;
  --warn:#B3492F;
  --sand:#F0EDE7;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:24px;
  --shadow-1:0 1px 2px rgba(22,48,43,.05);
  --shadow-2:0 10px 28px rgba(22,48,43,.10);
  --font-serif:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--copper)}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;font-weight:700}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;background:none;border:0;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin:0 0 44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.16em;color:var(--celadon);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--celadon)}
.section-title{font-size:clamp(26px,3.2vw,36px);line-height:1.25;margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16px;line-height:1.85;margin:0}

/* ---------- 头部 & 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(22,48,43,.09)}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;transition:height .25s var(--ease)}
.site-header.is-stuck .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:10px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;line-height:1;
}
.logo-text{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}

.search{
  flex:1 1 auto;max-width:520px;height:48px;
  display:flex;align-items:center;gap:10px;
  padding:0 6px 0 18px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,48,43,.14)}
.search .fa-magnifying-glass{color:var(--celadon);font-size:15px;flex:0 0 auto}
.search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:0;
  font-size:15px;color:var(--text);
}
.search input::placeholder{color:var(--celadon)}
.btn-search{
  flex:0 0 auto;height:38px;padding:0 20px;border-radius:999px;
  background:var(--copper);color:#fff;font-size:14px;font-weight:600;
  transition:background .22s var(--ease);
}
.btn-search:hover{background:var(--copper-dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--copper)}

.cat-bar{border-top:1px solid var(--line)}
.cat-bar .wrap{
  display:flex;align-items:center;gap:10px;
  padding-top:10px;padding-bottom:10px;
  overflow-x:auto;scrollbar-width:none;
}
.cat-bar .wrap::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:36px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  font-size:14px;font-weight:500;letter-spacing:.02em;color:var(--muted);
  transition:all .22s var(--ease);
}
.cat-pill:hover{border-color:var(--ink);color:var(--ink)}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

.search-mobile{display:none;padding:0 16px 14px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,48,43,.42);z-index:90;
  opacity:0;transition:opacity .28s var(--ease);
}
.drawer-mask.is-show{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:84vw;z-index:95;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:22px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink)}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink);
}
.drawer-close:hover{border-color:var(--ink);color:var(--copper)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--radius-s);font-size:15px;font-weight:500;color:var(--muted);
}
.drawer-nav a:hover{background:var(--sand);color:var(--ink)}
.drawer-nav a.is-active{background:var(--ink);color:#fff}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--muted);letter-spacing:.02em}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--copper)}
.crumb .sep{margin:0 9px;color:var(--celadon)}
.crumb .current{color:var(--copper);font-weight:500}

/* ---------- 分类页头 ---------- */
.page-hero{
  position:relative;margin-top:20px;border-radius:var(--radius-l);overflow:hidden;
  min-height:262px;display:flex;align-items:center;
  background-image:linear-gradient(96deg,rgba(22,48,43,.88) 0%,rgba(22,48,43,.74) 58%,rgba(22,48,43,.58) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero .inner{padding:52px 48px;max-width:800px}
.page-hero .tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.34);color:#F0EDE7;
  font-size:13px;font-weight:500;letter-spacing:.08em;margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,42px);line-height:1.22;
  margin-bottom:14px;
}
.page-hero .sub{color:rgba(255,255,255,.82);font-size:16px;margin:0;max-width:620px}

/* ---------- 窄通栏 Banner ---------- */
.narrow-note{
  margin-top:32px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:26px;
  padding:26px 32px;
}
.narrow-note .ic{
  flex:0 0 auto;width:52px;height:52px;border-radius:var(--radius-m);
  background:rgba(192,102,58,.10);color:var(--copper);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.narrow-note .txt{flex:1 1 auto;min-width:0}
.narrow-note h2{font-size:19px;line-height:1.4;margin-bottom:6px}
.narrow-note p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.75}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;
  transition:all .26s var(--ease);
}
.btn i{transition:transform .26s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:var(--copper-dark);color:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(22,48,43,.08);color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F0EDE7;color:var(--ink)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.link-more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--copper);
}
.link-more i{transition:transform .26s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);padding:24px;
  transition:box-shadow .32s var(--ease),transform .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}

/* ---------- 图文概览 ---------- */
.overview{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.overview-figure{
  border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);
  margin:0 0 40px;aspect-ratio:16/9;background:var(--sand);
}
.overview-figure img{width:100%;height:100%;object-fit:cover}
.point-card{height:100%;display:flex;flex-direction:column;gap:12px}
.point-card .pin{
  width:38px;height:38px;border-radius:var(--radius-s);
  display:flex;align-items:center;justify-content:center;
  background:rgba(22,48,43,.07);color:var(--ink);font-size:16px;
}
.point-card h3{font-size:19px;line-height:1.45}
.point-card p{color:var(--muted);font-size:15px;line-height:1.8;margin:0}

/* ---------- 场景卡（2 列错落） ---------- */
.grid-x.gutter-24{margin-left:-12px;margin-right:-12px}
.grid-x.gutter-24 > .cell{padding-left:12px;padding-right:12px}
.stagger > .cell{display:flex}
.scard{
  width:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .32s var(--ease),transform .32s var(--ease);
}
.scard:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.scard-media{aspect-ratio:3/2;overflow:hidden;background:var(--sand)}
.scard-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease)}
.scard:hover .scard-media img{transform:scale(1.04)}
.scard-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  background:rgba(148,167,158,.16);color:#4A5A53;
}
.badge.copper{background:rgba(192,102,58,.12);color:var(--copper-dark)}
.scard h3{font-size:19px;line-height:1.45}
.scard p{color:var(--muted);font-size:15px;line-height:1.8;margin:0}
.scard .foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.scard .idx{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--celadon);font-variant-numeric:tabular-nums}
.hint-line{
  font-size:13.5px;color:var(--muted);line-height:1.7;
  border-left:3px solid var(--copper);background:var(--sand);
  padding:10px 14px;border-radius:0 var(--radius-s) var(--radius-s) 0;
}

/* ---------- 对照表 ---------- */
.table-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;min-width:720px}
table.data th,table.data td{
  padding:16px 20px;text-align:left;font-size:14.5px;line-height:1.7;
  border-bottom:1px solid var(--line);
}
table.data thead th{
  background:var(--ink);color:#fff;font-weight:600;font-size:14px;letter-spacing:.04em;
  border-bottom:0;
}
table.data tbody tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:#FBFAF7}
table.data td:first-child{font-weight:600;color:var(--ink)}
table.data td .num{font-variant-numeric:tabular-nums}
.dot{display:inline-flex;align-items:center;gap:7px}
.dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.dot.wait::before{background:var(--copper)}
.dot.warn::before{background:var(--warn)}

/* ---------- 自查清单 ---------- */
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 22px;box-shadow:var(--shadow-1);
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.check-item:hover{border-color:#CFC9BE;box-shadow:var(--shadow-2)}
.check-item i{color:var(--ok);font-size:17px;margin-top:5px;flex:0 0 auto}
.check-item .body{flex:1 1 auto;min-width:0}
.check-item h3{font-size:16.5px;line-height:1.5;margin-bottom:4px;font-family:var(--font-sans);font-weight:600}
.check-item p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.75}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;gap:16px;
  padding:16px 4px;text-align:left;
  font-family:var(--font-serif);font-size:17.5px;font-weight:600;color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--copper)}
.faq-q .num{
  flex:0 0 auto;font-family:var(--font-sans);font-size:13px;font-weight:600;
  letter-spacing:.1em;color:var(--celadon);font-variant-numeric:tabular-nums;
}
.faq-q .q-text{flex:1 1 auto;line-height:1.5}
.faq-icon{
  position:relative;flex:0 0 auto;width:24px;height:24px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--copper);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:1.6px}
.faq-icon::after{width:1.6px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a-inner{
  margin:0 0 22px 44px;padding:20px 22px;
  background:var(--sand);border-left:3px solid var(--copper);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--muted);font-size:15.5px;line-height:1.85;
}
.faq-a-inner p{margin:0 0 12px}
.faq-a-inner p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  background-image:linear-gradient(100deg,rgba(22,48,43,.90) 0%,rgba(22,48,43,.80) 62%,rgba(22,48,43,.72) 100%),
                   url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:56px 48px;
  display:flex;align-items:center;gap:36px;flex-wrap:wrap;
}
.cta-band .cta-text{flex:1 1 420px;min-width:0}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);line-height:1.3;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:104px;padding-top:72px}
.site-footer .wrap{max-width:1240px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:var(--copper)}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:18px 0 20px;max-width:340px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);font-size:15px;
  transition:all .24s var(--ease);
}
.footer-social a:hover{border-color:var(--copper);color:#fff;background:rgba(192,102,58,.22)}
.footer-col h3{
  font-family:var(--font-sans);font-size:14px;font-weight:600;letter-spacing:.1em;
  color:#fff;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14.5px;position:relative;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col a{transition:color .22s var(--ease),transform .22s var(--ease)}
.subscribe label{display:block;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;margin-bottom:12px}
.subscribe .field{display:flex;gap:10px}
.subscribe input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:#fff;outline:0;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{border-color:var(--copper);box-shadow:0 0 0 3px rgba(192,102,58,.22)}
.subscribe .btn{height:48px;padding:0 20px;flex:0 0 auto}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .links a{color:rgba(255,255,255,.58);font-size:13.5px}
.footer-bottom .links a:hover{color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .wrap{padding:0 28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-grid .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .header-inner{height:68px}
  .search{max-width:380px}
  .page-hero .inner{padding:44px 34px}
  .cta-band{padding:44px 34px}
  .stagger > .cell:nth-child(even){margin-top:0}
  .faq-a-inner{margin-left:0}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .header-inner{gap:12px;height:60px}
  .site-header.is-stuck .header-inner{height:60px}
  .logo-text{font-size:17px}
  .logo-mark{width:34px;height:34px;font-size:17px;border-radius:9px}
  .search{display:none}
  .icon-btn{display:flex}
  .cat-bar{display:none}
  .page-hero{min-height:auto;border-radius:var(--radius-m)}
  .page-hero .inner{padding:36px 22px}
  .narrow-note{flex-direction:column;align-items:flex-start;gap:16px;padding:22px}
  .narrow-note .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:auto}
  .subscribe .field{flex-direction:column}
  .subscribe .btn{width:100%}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 22px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .faq-q{font-size:16.5px;gap:12px}
  .faq-a-inner{padding:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:72px;padding-top:56px}
}
@media (max-width:479px){
  .wrap{padding:0 14px}
  .badge{font-size:12px}
  .card{padding:20px}
}

/* ---------- 无障碍：降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .card:hover,.scard:hover{transform:none}
  .scard:hover .scard-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#16302B;
  --copper:#C0663A;
  --copper-dark:#A9552E;
  --celadon:#94A79E;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#16191A;
  --muted:#5C6663;
  --ok:#4E7A5E;
  --warn:#B3492F;
  --soft:#F0EDE7;

  --r-s:8px;
  --r-m:14px;
  --r-l:24px;

  --sh-1:0 1px 2px rgba(22,48,43,.05);
  --sh-2:0 10px 28px rgba(22,48,43,.10);

  --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px;
  --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px;

  --font-serif:"Noto Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-m);}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--copper);}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;font-weight:700;}
h1{font-size:clamp(32px,4.6vw,52px);line-height:1.15;}
h2{font-size:clamp(26px,3.2vw,36px);line-height:1.25;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.btn-primary{background:var(--copper);color:#fff;border-color:var(--copper);}
.btn-primary:hover{background:var(--copper-dark);border-color:var(--copper-dark);color:#fff;}
.btn-primary:hover .arw{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(22,48,43,.08);color:var(--ink);}
.btn .arw{transition:transform .28s var(--ease);}
.btn-text{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-weight:500;padding-bottom:2px;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;
  background:var(--copper);transition:width .26s var(--ease);
}
.btn-text:hover{color:var(--copper);}
.btn-text:hover::after{width:100%;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:500;letter-spacing:.02em;
  border:1px solid var(--line);color:var(--muted);background:#fff;
}
.tag-solid{background:var(--ink);color:#fff;border-color:var(--ink);}
.tag-copper{background:rgba(192,102,58,.10);color:var(--copper);border-color:rgba(192,102,58,.28);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(22,48,43,.08);}
.header-main{
  display:flex;align-items:center;gap:24px;
  height:76px;
  transition:height .3s var(--ease);
}
.site-header.is-stuck .header-main{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
}
.logo-text{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.logo:hover .logo-text{color:var(--copper);}

.search-box{
  flex:1 1 auto;max-width:520px;position:relative;
  display:flex;align-items:center;
  height:48px;border:1px solid var(--line);border-radius:999px;
  background:#fff;padding-left:52px;padding-right:6px;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,48,43,.20);}
.search-box .fa-magnifying-glass{
  position:absolute;left:20px;color:var(--celadon);font-size:15px;
}
.search-box input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  font-size:15px;color:var(--text);outline:none;
}
.search-box input::placeholder{color:var(--muted);}
.search-box .search-btn{
  flex:0 0 auto;height:38px;padding:0 20px;border:0;border-radius:999px;
  background:var(--copper);color:#fff;font-size:14px;font-weight:500;cursor:pointer;
  transition:background .26s var(--ease);
}
.search-box .search-btn:hover{background:var(--copper-dark);}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.header-actions .quick{
  font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;
}
.header-actions .quick:hover{color:var(--copper);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;
}
.search-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;
}

.cat-bar{border-top:1px solid var(--line);background:transparent;}
.cat-bar .wrap{display:flex;gap:10px;overflow-x:auto;padding-top:10px;padding-bottom:10px;}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:36px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--muted);letter-spacing:.02em;
  transition:all .26s var(--ease);
}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}

.mobile-search{display:none;padding:0 16px 12px;}
.mobile-search .search-box{max-width:none;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(22,48,43,.42);
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;
  background:var(--paper);z-index:80;padding:24px;
  transform:translateX(100%);transition:transform .32s var(--ease);
  box-shadow:-12px 0 32px rgba(22,48,43,.16);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;
}
.drawer h3{font-size:16px;margin-bottom:12px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink);
}
.drawer-link:hover{color:var(--copper);padding-left:8px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:14px;color:var(--muted);}
.crumb .wrap{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--copper);}
.crumb .sep{color:var(--celadon);}
.crumb .current{color:var(--copper);font-weight:500;}

/* ---------- 分类页头 ---------- */
.cat-hero{
  margin-top:20px;
  position:relative;border-radius:var(--r-l);overflow:hidden;
  min-height:268px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(22,48,43,.90) 0%,rgba(22,48,43,.72) 52%,rgba(22,48,43,.52) 100%);
}
.cat-hero .inner{position:relative;z-index:2;padding:44px 48px;max-width:800px;}
.cat-hero .tag{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);color:#fff;}
.cat-hero h1{color:#fff;margin:16px 0 12px;}
.cat-hero .sub{color:rgba(255,255,255,.86);font-size:16px;max-width:620px;margin:0;}

/* ---------- 区块通用 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--copper);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:24px;height:1px;background:var(--copper);}
.sec-head p{color:var(--muted);margin-top:14px;margin-bottom:0;}

/* ---------- 图文介绍 ---------- */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.intro-media{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.intro-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.intro-copy h2{margin-bottom:16px;}
.intro-copy p{color:var(--muted);}
.intro-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;}
.fact{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:18px;box-shadow:var(--sh-1);
}
.fact strong{display:block;font-family:var(--font-serif);font-size:26px;color:var(--ink);line-height:1.2;}
.fact span{font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ---------- 时间轴 / 步骤条 ---------- */
.timeline{position:relative;margin-top:12px;}
.tl-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  position:relative;margin-bottom:40px;
}
.tl-track::before{
  content:"";position:absolute;left:6%;right:6%;top:15px;height:1px;background:var(--line);
}
.tl-node{position:relative;text-align:center;padding:0 8px;}
.tl-dot{
  width:14px;height:14px;border-radius:50%;background:var(--copper);
  margin:8px auto 14px;position:relative;z-index:2;
  box-shadow:0 0 0 5px rgba(192,102,58,.14);
}
.tl-node .step-no{
  font-family:var(--font-serif);font-size:13px;letter-spacing:.14em;color:var(--celadon);
}
.tl-node strong{display:block;font-size:15px;color:var(--ink);font-weight:500;}

.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px 32px;margin-bottom:20px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:88px 1fr;gap:28px;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-card .big-no{
  font-family:var(--font-serif);font-size:42px;color:rgba(22,48,43,.14);line-height:1;
}
.step-card h3{margin-bottom:8px;}
.step-card p{color:var(--muted);margin-bottom:14px;}
.step-card ul{display:grid;gap:8px;}
.step-card li{
  position:relative;padding-left:22px;font-size:15px;color:var(--text);
}
.step-card li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;background:var(--copper);border-radius:2px;
}

/* ---------- 要点 / 清单 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.point{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.point:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D2C6;}
.point .ico{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--ink);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  font-size:17px;margin-bottom:16px;
}
.point h3{font-size:18px;margin-bottom:10px;}
.point p{color:var(--muted);font-size:15px;margin:0;}

.spec-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);
}
.spec-row{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  padding:20px 28px;border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:0;}
.spec-row .k{color:var(--ink);font-weight:500;font-size:15px;}
.spec-row .v{color:var(--muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq{margin-top:8px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  min-height:64px;padding:16px 0;background:transparent;border:0;
  text-align:left;cursor:pointer;color:var(--ink);
  font-family:var(--font-serif);font-size:17px;font-weight:600;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--copper);}
.faq-q .idx{font-family:var(--font-sans);font-size:13px;color:var(--celadon);letter-spacing:.12em;flex:0 0 32px;}
.faq-q .sign{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--copper);font-size:14px;transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-q[aria-expanded="true"] .sign{transform:rotate(45deg);background:rgba(192,102,58,.10);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .34s var(--ease);
  background:var(--soft);border-left:3px solid var(--ink);border-radius:0 var(--r-s) var(--r-s) 0;
}
.faq-a .inner{padding:20px;color:var(--muted);font-size:15.5px;}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;background:rgba(22,48,43,.82);
}
.cta-band .inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 48px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;max-width:620px;}
.cta-band p{color:rgba(255,255,255,.82);margin:12px 0 0;font-size:15.5px;max-width:520px;}
.cta-band .acts{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:96px;}
.site-footer .wrap{padding-top:64px;padding-bottom:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-mark{background:#fff;color:var(--ink);}
.footer-desc{font-size:14px;line-height:1.8;margin:18px 0 20px;color:rgba(255,255,255,.68);}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);
  transition:all .26s var(--ease);
}
.footer-social a:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.footer-col h3{
  color:#fff;font-size:16px;margin-bottom:18px;font-family:var(--font-sans);font-weight:600;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.subscribe label{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:12px;line-height:1.7;}
.subscribe .field{display:flex;gap:10px;}
.subscribe input{
  flex:1 1 auto;height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;outline:none;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.5);}
.subscribe input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.16);}
.subscribe .btn-primary{height:48px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:rgba(255,255,255,.66);}
.footer-bottom .links a:hover{color:#fff;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .wrap{padding:0 24px;}
  .header-main{gap:16px;height:70px;}
  .search-box{max-width:360px;}
  .header-actions .quick{display:none;}
  .section{padding:72px 0;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .tl-track{grid-template-columns:repeat(2,1fr);row-gap:26px;}
  .tl-track::before{display:none;}
  .cat-hero .inner{padding:36px 32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .search-box{display:none;}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions{gap:8px;}
  .mobile-search{display:none;}
  .mobile-search.is-open{display:block;}
  .cat-bar .wrap{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .intro-facts{grid-template-columns:1fr;gap:12px;}
  .point-grid{grid-template-columns:1fr;}
  .step-card{grid-template-columns:1fr;gap:12px;padding:22px;}
  .step-card .big-no{font-size:32px;}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 20px;}
  .cta-band .inner{padding:36px 24px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .subscribe .field{flex-direction:column;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cat-hero{min-height:0;}
  .cat-hero .inner{padding:28px 22px;}
  .faq-q{font-size:16px;}
}
@media (max-width:479px){
  h1{font-size:28px;}
  .cat-pill{height:34px;padding:0 14px;font-size:13px;}
  .btn{width:100%;justify-content:center;}
  .cta-band .acts{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-property:opacity !important;transform:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:0;transform:none;}
  .reveal.is-in{opacity:1;}
}