/* roulang page: index */
:root{
  --ink:#12211C;
  --jade:#2F6B5E;
  --jade-deep:#255A4E;
  --clay:#C9552B;
  --clay-deep:#B2471F;
  --clay-soft:#FBF1EA;
  --ochre:#D99B3A;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --line:#E2DCD1;
  --text:#16211D;
  --muted:#5B6A63;
  --r-card:18px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,28,.05);
  --sh-2:0 12px 32px -16px rgba(18,33,28,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:-.02em;line-height:1.32;color:var(--ink)}
::selection{background:rgba(201,85,43,.18)}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}

/* ---------- 容器与通用 ---------- */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-tight{padding:48px 0}
.section-head{margin-bottom:44px}
.section-head.center{text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--jade);
  text-transform:none;font-family:var(--font-sans);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--jade);display:block}
.h2{font-size:clamp(24px,3vw,34px)}
.h3{font-size:clamp(19px,2vw,23px)}
.lead{color:var(--muted);font-size:16px;max-width:38em;margin-top:14px}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 24px;height:46px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn-pill{border-radius:var(--r-pill)}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;color:var(--jade);border:1px solid var(--jade)}
.btn-outline:hover{background:var(--jade);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade)}
.btn-light{background:#F6F3ED;color:var(--ink)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--jade);
  position:relative;
}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--jade);transition:width .28s var(--ease)}
.link-more:hover::after{width:calc(100% - 16px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-jade{background:rgba(47,107,94,.1);color:var(--jade)}
.badge-clay{background:rgba(201,85,43,.1);color:var(--clay)}
.badge-ochre{background:rgba(217,155,58,.16);color:#8A5F1B}
.badge-dark{background:rgba(246,243,237,.14);color:#F1EDE4}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;height:68px;
  background:rgba(246,243,237,.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:height .3s var(--ease),background-color .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{height:56px;background:rgba(246,243,237,.88);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%}
.header-left{display:flex;align-items:center;gap:22px;min-width:0;flex:1 1 auto}
.logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--jade) 0%,var(--ink) 100%);
  position:relative;transition:transform .3s var(--ease);
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border:1.5px solid rgba(246,243,237,.85);border-radius:3px;
}
.logo:hover .logo-mark{transform:rotate(-6deg)}
.logo-text{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.02em;transition:font-size .3s var(--ease)}
.site-header.is-scrolled .logo-text{font-size:16px}
.nav-desktop{display:flex;align-items:center;gap:4px;min-width:0}
.nav-link{
  position:relative;display:inline-block;padding:8px 9px;font-size:13.5px;color:var(--muted);
  border-radius:8px;transition:color .22s var(--ease),background-color .22s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(18,33,28,.04)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:9px;right:9px;bottom:1px;height:2px;background:var(--clay);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(201,85,43,.12)}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{border:0;outline:none;background:transparent;width:142px;font-size:13.5px}
.search-box input::placeholder{color:#9AA7A1}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink)}
.nav-toggle:hover{border-color:var(--jade);color:var(--jade)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,28,.42);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:98;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--paper);
  z-index:99;transform:translateX(102%);transition:transform .34s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  box-shadow:-20px 0 40px -22px rgba(18,33,28,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  padding:13px 12px;border-radius:10px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);transition:background-color .22s var(--ease),color .22s var(--ease);
}
.drawer-nav a:hover{background:#fff;color:var(--jade)}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
.drawer-foot p{margin-bottom:6px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:116px 0 72px;overflow:hidden;background:linear-gradient(180deg,#F1EDE4 0%,rgba(246,243,237,0) 100%)}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;position:relative}
.hero-grid::before{
  content:"";position:absolute;top:-24px;bottom:-24px;left:calc(41.666% - 26px);width:1px;
  background:linear-gradient(180deg,transparent,var(--line) 18%,var(--line) 82%,transparent);
  display:block;
}
.hero-title{font-size:clamp(30px,3.9vw,50px);line-height:1.24;letter-spacing:-.025em}
.hero-title em{font-style:normal;color:var(--jade);position:relative}
.hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:rgba(217,155,58,.22);z-index:-1;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);line-height:1.7;max-width:30em}
.hero-desc{margin-top:12px;font-size:14.8px;color:var(--muted);max-width:34em;border-left:3px solid var(--line);padding-left:14px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-metrics{display:flex;margin-top:34px;border-top:1px solid var(--line);padding-top:22px}
.hero-metrics li{flex:1 1 0;padding:0 18px;border-left:1px solid var(--line);min-width:0}
.hero-metrics li:first-child{border-left:0;padding-left:0}
.hero-metrics strong{display:block;font-family:var(--font-mono);font-size:21px;color:var(--ink);letter-spacing:-.02em;line-height:1.3}
.hero-metrics span{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.hero-media{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/9;background:#E6E0D5}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(246,243,237,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(246,243,237,.09) 1px,transparent 1px);
  background-size:40px 40px;
}
.hero-corner{
  position:absolute;right:0;top:0;padding:10px 20px 12px;
  background:rgba(246,243,237,.94);border-bottom-left-radius:18px;
  clip-path:polygon(12% 0,100% 0,100% 100%,0 100%);
  font-size:13px;color:var(--ink);font-weight:600;letter-spacing:.04em;z-index:2;
}
.hero-float{position:absolute;left:22px;bottom:22px;z-index:2;display:flex;gap:10px;flex-wrap:wrap}
.hero-float span{
  background:rgba(18,33,28,.72);color:#F1EDE4;font-size:12.5px;padding:6px 13px;border-radius:var(--r-pill);
  backdrop-filter:blur(6px);
}

/* ---------- 促销主视觉条 ---------- */
.promo-bar{background:var(--clay-soft);border-top:1px solid #F0DFD3;border-bottom:1px solid #F0DFD3}
.promo-inner{display:flex;align-items:center;gap:26px;min-height:112px;padding:18px 0}
.promo-left{display:flex;align-items:center;gap:20px;flex:1 1 auto;min-width:0}
.promo-badge{
  flex:0 0 auto;display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--ochre);color:#3A2606;font-size:12.5px;font-weight:700;letter-spacing:.05em;
}
.promo-text h2{font-size:19px;margin-bottom:4px}
.promo-text p{font-size:14.4px;color:var(--muted);max-width:46em}
.promo-arrow{
  flex:0 0 auto;width:52px;height:52px;border-radius:50%;background:var(--ink);color:#F1EDE4;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:background-color .24s var(--ease),transform .24s var(--ease);
}
.promo-arrow:hover{background:var(--clay);transform:translateX(4px)}

/* ---------- 服务权益阶梯 ---------- */
.stairs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.stair{padding:0 24px 8px;border-left:1px solid var(--line);transition:background-color .28s var(--ease)}
.stair:first-child{border-left:0;padding-left:0}
.stair:nth-child(1){padding-top:8px}
.stair:nth-child(2){padding-top:34px}
.stair:nth-child(3){padding-top:60px}
.stair:nth-child(4){padding-top:86px}
.stair-index{
  font-family:var(--font-mono);font-size:40px;line-height:1;color:var(--line);
  letter-spacing:-.04em;display:block;margin-bottom:14px;transition:color .28s var(--ease);
}
.stair:nth-child(4) .stair-index{font-size:58px}
.stair:nth-child(3) .stair-index{font-size:49px}
.stair:hover .stair-index{color:var(--ochre)}
.stair h3{font-size:19px;margin-bottom:8px}
.stair p{font-size:14.2px;color:var(--muted);margin-bottom:14px}
.stair ul{display:flex;flex-direction:column;gap:8px}
.stair ul li{display:flex;gap:9px;font-size:14px;color:var(--text);align-items:flex-start}
.stair ul li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;background:var(--jade);border-radius:1.5px;
}

/* ---------- 方案对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.plan{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:26px 22px 24px;background:transparent;
  transition:border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.plan:hover{border-color:var(--jade);transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-recommend{
  background:#fff;border:2px solid var(--clay);border-style:solid;box-shadow:var(--sh-2);
  transform:translateY(-14px);position:relative;
}
.plan-recommend:hover{border-color:var(--clay);transform:translateY(-18px)}
.plan-flag{
  position:absolute;top:-13px;left:22px;height:26px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--clay);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;letter-spacing:.06em;
}
.plan-head h3{font-size:20px;margin-bottom:6px}
.plan-head p{font-size:13.4px;color:var(--muted);min-height:38px}
.plan-list{margin:18px 0 20px;border-top:1px solid var(--line)}
.plan-list li{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.8px}
.plan-key{color:var(--muted);flex:0 0 auto}
.plan-val{color:var(--ink);font-weight:600;text-align:right}

/* ---------- 限时 / 更新时段 ---------- */
.band{
  position:relative;background:var(--ink);color:#EDE8DF;overflow:hidden;
}
.band::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.band > .container{position:relative;z-index:2}
.band-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:52px 0}
.band-left{max-width:660px}
.band-left h2{color:#F6F3ED;font-size:clamp(22px,2.6vw,30px)}
.band-left p{color:rgba(237,232,223,.72);font-size:14.6px;margin-top:12px;max-width:38em}
.band-clock{display:flex;align-items:center;gap:16px;margin-top:22px}
.band-clock span{font-family:var(--font-mono);font-size:29px;letter-spacing:-.02em;color:var(--ochre);line-height:1}
.band-clock i{display:block;width:22px;height:1px;background:rgba(237,232,223,.34)}
.band-pulse{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(237,232,223,.72);margin-top:16px;
}
.band-pulse::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--ochre);
  box-shadow:0 0 0 0 rgba(217,155,58,.6);animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(217,155,58,.5)}
  70%{box-shadow:0 0 0 10px rgba(217,155,58,0)}
  100%{box-shadow:0 0 0 0 rgba(217,155,58,0)}
}
.band-right{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.band-right .band-note{font-size:13px;color:rgba(237,232,223,.6)}
.band-link{
  font-size:14px;color:#F6F3ED;border-bottom:1px solid rgba(246,243,237,.4);padding-bottom:2px;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.band-link:hover{color:var(--ochre);border-color:var(--ochre)}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start}
.news-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.news-lead:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--sh-2)}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:#E9E3D8}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-lead:hover .news-cover img{transform:scale(1.03)}
.news-lead-body{padding:24px 26px 26px}
.news-lead-body h3{font-size:20.5px;margin:12px 0 10px;line-height:1.45}
.news-lead-body p{font-size:14.6px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--muted)}
.news-meta span{display:inline-flex;align-items:center;gap:6px}
.news-side{display:flex;flex-direction:column}
.news-item{
  display:block;padding:20px 0;border-bottom:1px solid var(--line);
  transition:padding-left .26s var(--ease),border-color .26s var(--ease);
}
.news-item:first-child{padding-top:0}
.news-item:hover{padding-left:8px;border-color:var(--jade)}
.news-item h3{font-size:16.6px;line-height:1.5;margin-bottom:6px;transition:color .24s var(--ease)}
.news-item:hover h3{color:var(--jade)}
.news-item p{font-size:13.8px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{margin-top:10px;gap:12px}
.news-empty{
  height:200px;border:1px dashed var(--line);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:var(--muted);font-size:14.6px;background:rgba(255,255,255,.5);
}
.news-empty i{font-size:22px;color:var(--jade)}

/* ---------- 数据带 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.stats-band div{padding:30px 28px;border-left:1px solid var(--line)}
.stats-band div:first-child{border-left:0}
.stats-band strong{display:block;font-family:var(--font-mono);font-size:32px;color:var(--jade);letter-spacing:-.03em;line-height:1.2}
.stats-band span{display:block;font-size:13.6px;color:var(--muted);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--jade)}
.faq-item summary i{font-size:13px;color:var(--muted);transition:transform .3s var(--ease),color .3s var(--ease);flex:0 0 auto}
.faq-item[open] summary{color:var(--jade)}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--jade)}
.faq-body{padding:0 4px 24px;font-size:15px;color:var(--muted);max-width:44em}

/* ---------- 咨询表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.contact-card h2{font-size:24px;margin-bottom:8px}
.contact-card > p{font-size:14.4px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.6px;color:var(--muted);margin-bottom:8px}
.field label b{color:var(--clay);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 15px;background:#FBFAF7;
  border:1px solid var(--line);border-radius:var(--r-btn);outline:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
  font-size:15px;
}
.field textarea{height:124px;padding:13px 15px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--clay);background:#fff;box-shadow:0 0 0 3px rgba(201,85,43,.13)}
.field .err-msg{display:none;font-size:13px;color:var(--clay);margin-top:7px}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--clay);background:#FFF8F5}
.field.has-error .err-msg{display:block}
.form-actions{display:flex;justify-content:flex-end;padding-top:6px}
.form-actions .btn{min-width:200px}
.form-success{
  display:none;align-items:center;gap:9px;background:rgba(47,107,94,.09);color:var(--jade);
  border-radius:var(--r-btn);padding:12px 15px;font-size:14px;margin-bottom:20px;
}
.form-success.is-visible{display:flex}
.contact-info h3{font-size:18px;margin-bottom:16px}
.info-list{display:flex;flex-direction:column}
.info-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.info-list li:first-child{padding-top:0}
.info-list i{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:rgba(47,107,94,.09);
  color:var(--jade);display:flex;align-items:center;justify-content:center;font-size:14px;
}
.info-list strong{display:block;font-size:14.6px;font-family:var(--font-sans);font-weight:600;color:var(--ink)}
.info-list span{display:block;font-size:13.6px;color:var(--muted);margin-top:3px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(237,232,223,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:52px}
.footer-brand .logo-text{color:#F6F3ED;font-size:18px}
.footer-brand .logo-mark{background:linear-gradient(140deg,var(--jade) 0%,#1B322A 100%)}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:30em}
.footer-col h4{
  color:#F6F3ED;font-size:15px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a,.footer-col ul li{font-size:14px;color:rgba(237,232,223,.68);transition:color .22s var(--ease),padding-left .22s var(--ease)}
.footer-col ul a:hover{color:var(--ochre);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(237,232,223,.14);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,232,223,.5);
}
.footer-bottom .tech{font-family:var(--font-mono)}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(237,232,223,.7);
  border:1px solid rgba(237,232,223,.22);border-radius:var(--r-pill);padding:7px 15px;
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.back-top:hover{border-color:var(--ochre);color:var(--ochre);transform:translateY(-2px)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .search-box{display:none}
  .nav-link{padding:8px 7px;font-size:13px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .hero{padding:104px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-grid::before{display:none}
  .hero-media{order:2}
  .hero-media img{filter:saturate(.92)}
  .stairs{grid-template-columns:repeat(2,1fr);border-top:0}
  .stair{border-left:0;padding:24px 20px 24px 0;border-top:1px solid var(--line)}
  .stair:nth-child(1),.stair:nth-child(2),.stair:nth-child(3),.stair:nth-child(4){padding-top:24px}
  .plans{grid-template-columns:repeat(2,1fr)}
  .plan-recommend{transform:none}
  .plan-recommend:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:1fr;gap:28px}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .band-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .band-right{align-items:flex-start}
  .promo-inner{flex-direction:column;align-items:flex-start;gap:18px;padding:24px 0}
  .promo-arrow{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section-tight{padding:36px 0}
  .section-head{margin-bottom:30px}
  .hero{padding:96px 0 44px}
  .hero-metrics{flex-direction:column;gap:0;padding-top:18px}
  .hero-metrics li{border-left:0;padding:12px 0;border-top:1px solid var(--line)}
  .hero-metrics li:first-child{border-top:0;padding-top:0}
  .hero-metrics strong{font-size:19px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .stairs{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr}
  .stats-band div{border-left:0;border-top:1px solid var(--line)}
  .stats-band div:first-child{border-top:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .contact-card{padding:24px 20px}
  .form-actions .btn{width:100%;min-width:0}
  .form-actions{justify-content:stretch}
  .band-clock span{font-size:24px}
  .band-clock i{width:14px}
}

/* roulang page: category1 */
:root{
  --ink:#12211C;
  --jade:#2F6B5E;
  --clay:#C9552B;
  --ochre:#D99B3A;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --line:#E2DCD1;
  --text:#16211D;
  --muted:#5B6A63;
  --clay-soft:#F7E7DF;
  --r-card:18px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(18,33,28,.05);
  --shadow-2:0 12px 32px -16px rgba(18,33,28,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:260ms;
  --nav-h:68px;
}
*,*::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:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  margin:0;
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  font-weight:600;
  letter-spacing:-0.02em;
  color:var(--ink);
  line-height:1.28;
}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-family:"SF Mono",Menlo,Consolas,"Roboto Mono",monospace;letter-spacing:.02em;}

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

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:var(--nav-h);
  z-index:80;
  background:rgba(246,243,237,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(246,243,237,.94);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.header-left{display:flex;align-items:center;gap:30px;min-width:0;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:22px;height:22px;
  border-radius:6px;
  background:var(--ink);
  position:relative;
  display:inline-block;
  transition:transform var(--dur) var(--ease);
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  background:var(--ochre);
  border-radius:2px;
  transform:rotate(45deg);
}
.logo:hover .logo-mark{transform:rotate(90deg);}
.logo-text{
  font-family:"Noto Serif SC","Source Han Serif SC",serif;
  font-size:19px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--ink);
  transition:font-size var(--dur) var(--ease);
}
.site-header.is-scrolled .logo-text{font-size:18px;}
.nav-desktop{display:flex;align-items:center;gap:24px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--clay);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.header-right{display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--card);
  color:var(--muted);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(201,85,43,.12);}
.search-box i{font-size:13px;color:var(--jade);}
.search-box input{
  border:none;outline:none;background:transparent;
  width:190px;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:#9AA6A0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-pill{border-radius:999px;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#B2461F;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;color:var(--jade);border-color:var(--jade);}
.btn-outline:hover{background:rgba(47,107,94,.08);transform:translateY(-1px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#0B1714;transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--card);
  color:var(--ink);
}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(18,33,28,.42);
  opacity:0;visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(340px,86vw);
  height:100%;
  background:var(--paper);
  padding:24px 24px 32px;
  transform:translateX(100%);
  transition:transform 320ms var(--ease);
  overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--card);
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:13px 4px;
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--clay);font-weight:600;}
.drawer-block{border-top:1px solid var(--line);padding-top:18px;font-size:13.5px;color:var(--muted);line-height:1.9;}

/* ---------- section base ---------- */
main{display:block;}
.section{padding:64px 0;}
.section-lg{padding:96px 0;}
.section-sm{padding:48px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--jade);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--clay);}
.h2{font-size:clamp(24px,2.6vw,32px);}
.lead{color:var(--muted);margin-top:14px;font-size:16.5px;max-width:38em;}

/* ---------- tabs ---------- */
.cat-tabs-bar{
  padding-top:calc(var(--nav-h) + 26px);
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.cat-tabs{
  display:flex;gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-tabs::-webkit-scrollbar{display:none;}
.cat-tab{
  position:relative;
  padding:12px 0 16px;
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.cat-tab:hover{color:var(--ink);}
.cat-tab.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--clay);}

/* ---------- page hero (split) ---------- */
.page-hero{padding:56px 0 64px;}
.hero-split{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
  align-items:center;
}
.hero-left{grid-column:span 5;}
.hero-right{grid-column:span 7;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--clay-soft);
  color:var(--clay);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--clay);}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.2;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  border:1px solid var(--line);
  animation:floatUp 7s var(--ease) infinite alternate;
}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,33,28,0) 55%,rgba(18,33,28,.42));
}
.hero-corner{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:6px 12px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--ink);
  background:rgba(246,243,237,.9);
  border:1px solid var(--line);
  border-radius:6px;
  transform:skewX(-12deg);
}
@keyframes floatUp{
  from{transform:translateY(0);}
  to{transform:translateY(-10px);}
}

/* ---------- alt rows ---------- */
.alt-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:34px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--line);}
.alt-row.reverse .alt-media{order:2;}
.alt-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 320ms var(--ease);}
.alt-media:hover img{transform:scale(1.03);}
.alt-index{
  font-family:"SF Mono",Menlo,Consolas,monospace;
  font-size:13px;
  letter-spacing:.24em;
  color:var(--ochre);
  margin-bottom:12px;
}
.alt-body h3{font-size:22px;margin-bottom:14px;}
.alt-body p{color:var(--muted);}
.alt-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.alt-list li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  color:var(--text);
}
.alt-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;
  background:var(--jade);
  border-radius:2px;
}

/* ---------- stat band ---------- */
.stat-band{
  background:var(--ink);
  color:#EDEBE4;
  padding:56px 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.stat-item{padding-right:24px;border-right:1px solid rgba(226,220,209,.18);}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-size:clamp(30px,4vw,44px);
  font-weight:600;
  color:var(--ochre);
  line-height:1.1;
}
.stat-num span{font-size:18px;color:#EDEBE4;margin-left:6px;font-family:inherit;}
.stat-label{margin-top:12px;font-size:14.5px;color:rgba(237,235,228,.72);}

/* ---------- scene list ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0 56px;
}
.scene-item{
  display:flex;gap:20px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.scene-num{
  font-family:"SF Mono",Menlo,Consolas,monospace;
  font-size:30px;
  font-weight:600;
  color:var(--line);
  line-height:1;
  flex-shrink:0;
  min-width:52px;
}
.scene-item h4{font-size:18px;margin-bottom:8px;}
.scene-item p{font-size:15px;color:var(--muted);}
.scene-item:hover .scene-num{color:var(--clay);transition:color var(--dur) var(--ease);}

/* ---------- note strip ---------- */
.note-strip{
  display:flex;align-items:center;gap:20px;
  padding:20px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--clay);
  border-radius:12px;
  box-shadow:var(--shadow-1);
}
.note-strip i{color:var(--clay);font-size:18px;}
.note-strip p{font-size:15px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--jade);}
.faq-q i{
  font-size:13px;color:var(--muted);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item.is-open .faq-q{color:var(--jade);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--clay);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq-a p{
  padding:0 0 22px;
  color:var(--muted);
  font-size:15.5px;
  max-width:38em;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-2);
}
.cta-band-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.14;
}
.cta-inner{
  position:relative;
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:32px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);}
.cta-inner p{color:var(--muted);margin-top:12px;font-size:15.5px;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--card);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14.5px;
  color:var(--muted);
  max-width:34em;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14.5px;color:var(--muted);}
.footer-col a{
  color:var(--muted);
  position:relative;
  display:inline-block;
}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--jade);transition:width var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--jade);}
.footer-col a:hover::after{width:100%;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;
  padding:22px 32px 26px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  flex-wrap:wrap;
}
.footer-bottom .tech{font-family:"SF Mono",Menlo,Consolas,monospace;}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--jade);font-weight:600;
}
.back-top:hover{color:var(--clay);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .search-box input{width:140px;}
  .nav-desktop{gap:18px;}
}
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-left,.hero-right{grid-column:span 12;}
  .hero-right{margin-top:8px;}
  .alt-row{grid-template-columns:1fr;gap:28px;}
  .alt-row.reverse .alt-media{order:0;}
  .stat-grid{grid-template-columns:1fr;gap:0;}
  .stat-item{border-right:none;border-bottom:1px solid rgba(226,220,209,.18);padding:22px 0;}
  .stat-item:last-child{border-bottom:none;padding-bottom:0;}
  .scene-grid{grid-template-columns:1fr;gap:0;}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section-lg{padding:64px 0;}
  .page-hero{padding:36px 0 44px;}
  .hero-actions{gap:12px;}
  .btn{width:100%;justify-content:center;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{padding:20px 20px 24px;flex-direction:column;align-items:flex-start;}
  .note-strip{flex-direction:column;align-items:flex-start;gap:10px;}
  .header-right .btn-primary{display:none;}
}

/* roulang page: article */
:root{
  --ink:#12211C;
  --ink-7:#1B3129;
  --jade:#2F6B5E;
  --jade-soft:#E8F0EC;
  --clay:#C9552B;
  --clay-dark:#A9431F;
  --clay-soft:#FBEDE6;
  --ochre:#D99B3A;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --line:#E2DCD1;
  --text:#16211D;
  --muted:#5B6A63;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(18,33,28,.05);
  --shadow-2:0 12px 32px -16px rgba(18,33,28,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:68px;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:-.02em;color:var(--ink)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:inherit}
time{font-variant-numeric:tabular-nums}
::selection{background:rgba(47,107,94,.18)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:300}
.skip-link:focus{left:0}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(201,85,43,.85)}
.btn-ghost{background:transparent;color:var(--jade);border-color:var(--jade)}
.btn-ghost:hover{background:var(--jade-soft);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F3EFE7;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-pill{border-radius:999px}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-cat{background:var(--jade-soft);color:var(--jade)}
.badge-clay{background:var(--clay-soft);color:var(--clay)}
.badge-ochre{background:rgba(217,155,58,.16);color:#9A6B1C}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
a.tag:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.tag-jade{background:var(--jade-soft);border-color:transparent;color:var(--jade)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:var(--header-h);
  background:rgba(246,243,237,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .28s var(--ease),background-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{height:56px;background:rgba(246,243,237,.97);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.header-left{display:flex;align-items:center;gap:34px;min-width:0}
.header-right{display:flex;align-items:center;gap:14px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  position:relative;width:24px;height:24px;border-radius:7px;background:var(--ink);
  transition:background-color .28s var(--ease);
}
.logo-mark::after{
  content:"";position:absolute;inset:6px;border:2px solid var(--ochre);border-radius:2px;
  transform:rotate(45deg);
}
.logo-text{font-family:var(--font-serif);font-size:20px;font-weight:600;color:var(--ink);letter-spacing:.01em;transition:font-size .28s var(--ease)}
.is-scrolled .logo-text{font-size:19px}
.nav-desktop{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;color:var(--muted);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.search-box{
  display:flex;align-items:center;gap:9px;
  height:38px;padding:0 16px;min-width:210px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  color:var(--muted);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(201,85,43,.12)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:#9AA7A0}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,28,.45);z-index:120;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:130;
  background:#fff;padding:22px 24px 32px;
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  transform:translateX(103%);
  transition:transform .34s var(--ease);
  box-shadow:-14px 0 44px -22px rgba(18,33,28,.45);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--clay);color:var(--clay)}
.drawer-nav{display:grid;gap:2px}
.drawer-nav a{padding:13px 2px;font-size:15.5px;border-bottom:1px solid var(--line);transition:color .2s var(--ease)}
.drawer-nav a:hover{color:var(--clay)}
.drawer-foot{margin-top:auto;display:grid;gap:10px;font-size:13px;color:var(--muted)}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;overflow:hidden;
  padding:calc(var(--header-h) + 40px) 0 56px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.article-head::before{
  content:"";position:absolute;right:-140px;top:-110px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,107,94,.12),rgba(47,107,94,0) 68%);
  pointer-events:none;
}
.article-head::after{
  content:"";position:absolute;left:-90px;bottom:-150px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,85,43,.09),rgba(201,85,43,0) 70%);
  pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--clay)}
.breadcrumb .sep{color:#B7C2BB}
.breadcrumb .crumb-cat{color:var(--jade);font-weight:500}
.breadcrumb .current{
  color:var(--ink);font-weight:500;
  max-width:58ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr);gap:36px;align-items:start;
}
.article-head-copy{min-width:0}
.article-title{
  font-size:clamp(28px,3.6vw,44px);line-height:1.3;margin:16px 0 20px;
  color:var(--ink);letter-spacing:-.02em;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  font-size:13.5px;color:var(--muted);
}
.article-meta li{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--ochre);font-size:12.5px}
.share-row{
  display:flex;align-items:center;gap:10px;margin-top:26px;padding-top:20px;
  border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.share-btn{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  display:grid;place-items:center;font-size:14px;
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.share-btn:hover{border-color:var(--clay);color:var(--clay);transform:translateY(-2px)}
.article-cover{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:16/9;background:#E9E4DA;
}
.article-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}

/* ---------- 正文布局 ---------- */
.article-layout-section{padding:64px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:56px;align-items:start}
.article-main{min-width:0}

.article-prose{
  max-width:760px;font-size:16.5px;line-height:1.9;color:var(--text);
}
.article-prose > p:first-of-type{font-size:17.5px}
.article-prose p{margin:0 0 1.2em}
.article-prose h2{
  position:relative;font-size:26px;line-height:1.42;margin:46px 0 16px;padding-left:16px;
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:18px;border-radius:2px;background:var(--clay);
}
.article-prose h3{font-size:20px;line-height:1.5;margin:32px 0 12px;color:var(--ink)}
.article-prose h4{font-size:17px;margin:24px 0 10px;color:var(--ink)}
.article-prose strong{color:var(--ink)}
.article-prose a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-prose a:hover{color:var(--clay)}
.article-prose blockquote{
  margin:26px 0;padding:18px 22px;background:#fff;
  border-left:3px solid var(--clay);border-radius:12px;
  color:var(--muted);font-size:15.5px;box-shadow:var(--shadow-1);
}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose ul,.article-prose ol{margin:0 0 1.3em;padding-left:0}
.article-prose li{position:relative;padding-left:22px;margin-bottom:10px}
.article-prose ul > li::before{
  content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--jade);
}
.article-prose ol{counter-reset:prose-ol}
.article-prose ol > li{counter-increment:prose-ol}
.article-prose ol > li::before{
  content:counter(prose-ol,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:13px;font-weight:600;color:var(--clay);
  font-variant-numeric:tabular-nums;
}
.article-prose img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-1)}
.article-prose figure{margin:26px 0}
.article-prose figcaption{
  margin-top:10px;text-align:center;font-size:12.5px;color:var(--muted);
}
.article-prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-prose th,.article-prose td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-prose th{background:#F1EDE5;font-weight:600;color:var(--ink)}
.article-prose tr:last-child td{border-bottom:0}
.article-prose hr{margin:36px 0;border:0;border-top:1px solid var(--line)}

.empty-box{
  max-width:760px;padding:56px 28px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.empty-box i{font-size:30px;color:var(--jade);margin-bottom:16px;display:block}
.empty-box h2{font-size:22px;margin-bottom:10px}
.empty-box p{color:var(--muted);font-size:15px;margin-bottom:24px}

/* ---------- 标签行 / 频道导航 ---------- */
.article-tags{
  max-width:760px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}
.tags-label{font-size:13px;color:var(--muted);margin-right:4px}
.post-nav{
  max-width:760px;display:grid;grid-template-columns:1fr;gap:14px;margin-top:30px;
}
.post-nav-item{
  display:grid;gap:6px;padding:20px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-md);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.post-nav-item:hover{border-color:var(--jade);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.post-nav-label{font-size:13px;color:var(--jade);display:inline-flex;align-items:center;gap:7px}
.post-nav-title{font-family:var(--font-serif);font-size:16.5px;color:var(--ink);font-weight:600}

/* ---------- 侧栏 ---------- */
.article-aside{display:grid;gap:20px;align-content:start}
.aside-card{
  padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-1);
}
.aside-title{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--clay)}
.aside-nav{display:grid;gap:2px}
.aside-nav a{
  display:flex;align-items:center;gap:8px;
  padding:9px 2px;font-size:14.5px;color:var(--muted);
  border-bottom:1px dashed var(--line);
  transition:color .22s var(--ease),padding-left .22s var(--ease);
}
.aside-nav li:last-child a{border-bottom:0}
.aside-nav a:hover{color:var(--jade);padding-left:6px}
.aside-nav i{font-size:11px;color:var(--ochre)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.aside-cta{background:var(--ink);border-color:var(--ink);color:#C7D3CD}
.aside-cta .aside-title{color:#fff}
.aside-cta .aside-title::before{background:var(--ochre)}
.aside-cta p{font-size:14px;color:#A9B8B1;margin:10px 0 18px;line-height:1.8}

/* ---------- 相关内容 ---------- */
.related{padding:88px 0 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,2.4vw,32px);line-height:1.35}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--muted)}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--jade);
  position:relative;padding-bottom:3px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--jade);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.link-more:hover::after{transform:scaleX(1)}
.link-more i{font-size:12px;transition:transform .24s var(--ease)}
.link-more:hover i{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--shadow-2)}
.rel-cover{display:block;aspect-ratio:4/3;overflow:hidden;background:#EAE5DB}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px;line-height:1.5}
.rel-body h3 a{transition:color .22s var(--ease)}
.rel-body h3 a:hover{color:var(--clay)}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.8}
.rel-time{margin-top:auto;font-size:12.5px;color:#8B9992;display:inline-flex;align-items:center;gap:7px}
.rel-time i{color:var(--ochre)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin-top:88px;padding:56px 0;
  background:var(--ink-7);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-copy{max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.3vw,30px);line-height:1.4;margin:14px 0 10px}
.cta-copy p{color:#A9B8B1;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C7D3CD;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:48px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:var(--ochre)}
.site-footer .logo-mark::after{border-color:var(--ink)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#9FB0A8;max-width:350px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--font-sans);font-weight:600;letter-spacing:0}
.footer-col ul{display:grid;gap:11px;font-size:14px;color:#9FB0A8}
.footer-col a{color:#9FB0A8;transition:color .22s var(--ease),padding-left .22s var(--ease)}
.footer-col a:hover{color:var(--ochre)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
  font-size:13px;color:#8A9A92;
}
.footer-bottom .tech{color:#71847B}
.back-top{display:inline-flex;align-items:center;gap:8px;color:#C7D3CD;transition:color .22s var(--ease)}
.back-top:hover{color:var(--ochre)}
.back-top i{font-size:11px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .post-nav{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .nav-toggle{display:none}
  .article-head-grid{grid-template-columns:minmax(0,1fr) 360px;gap:48px}
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:64px}
  .article-aside{position:sticky;top:calc(var(--header-h) + 26px)}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .header-left{gap:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-head{padding-top:calc(var(--header-h) + 26px);padding-bottom:40px}
  .article-layout-section{padding-top:48px}
  .related{padding-top:64px}
  .cta-band{margin-top:64px}
  .article-tags{margin-top:34px}
  .post-nav-item{padding:16px 18px}
}
@media (max-width:640px){
  .header-right .btn-primary{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .article-meta{gap:8px 18px}
  .breadcrumb .current{max-width:32ch}
  .section-head{align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

/* roulang page: category2 */
:root{
  --ink:#12211C;
  --ink-2:#1B322B;
  --jade:#2F6B5E;
  --clay:#C9552B;
  --clay-dark:#B1461F;
  --amber:#D99B3A;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --line:#E2DCD1;
  --text:#16211D;
  --muted:#5B6A63;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(18,33,28,.05);
  --sh-2:0 12px 32px -16px rgba(18,33,28,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:260ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;font-weight:600;letter-spacing:-.02em;color:var(--ink);margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media(max-width:640px){.container{padding:0 20px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:68px;
  background:rgba(246,243,237,.88);backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{height:56px;border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
.header-left{display:flex;align-items:center;gap:28px;min-width:0}
.header-right{display:flex;align-items:center;gap:14px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-weight:600;font-size:20px;letter-spacing:-.02em;color:var(--ink);transition:font-size var(--dur) var(--ease)}
.site-header.is-scrolled .logo{font-size:19px}
.logo-mark{width:26px;height:26px;border-radius:8px;background:var(--ink);position:relative;display:inline-block;flex:none}
.logo-mark::after{content:"";position:absolute;inset:7px;border:1.5px solid var(--paper);border-radius:2px;transform:rotate(45deg)}
.nav-desktop{display:flex;align-items:center;gap:24px}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:color 200ms var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.search-box{display:flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;width:220px;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease)}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;width:100%}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(201,85,43,.12)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
.nav-toggle:hover{border-color:var(--jade);color:var(--jade)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-sm);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform 200ms var(--ease),box-shadow var(--dur) var(--ease)}
.btn-pill{border-radius:999px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 8px 20px -12px rgba(201,85,43,.7)}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--jade);color:var(--jade)}
.btn-ghost:hover{background:rgba(47,107,94,.08);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--clay);outline-offset:3px}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-lg{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.4vw,34px)}
.kicker{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;letter-spacing:.18em;color:var(--jade);margin-bottom:10px}
.section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:62ch}
.link-more{font-size:15px;color:var(--jade);position:relative;padding-bottom:2px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--jade);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.link-more:hover::after{transform:scaleX(1)}

/* ---------- 页头 ---------- */
.page-hero{padding:56px 0 40px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge-soft{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--jade);background:rgba(47,107,94,.1);border:1px solid rgba(47,107,94,.22);padding:6px 14px;border-radius:999px}
.page-hero h1{font-size:clamp(30px,4.2vw,52px);margin:18px 0 16px;line-height:1.22}
.hero-lead{color:var(--muted);font-size:17px;max-width:36ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:0;margin-top:32px}
.hero-points li{font-size:13.5px;color:var(--muted);padding:0 18px;border-left:1px solid var(--line);font-variant-numeric:tabular-nums}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-points strong{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;color:var(--ink);font-weight:600}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:#EDE8DF}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-stamp{position:absolute;top:18px;left:18px;background:rgba(246,243,237,.92);color:var(--ink);font-size:13px;padding:7px 16px;border-radius:999px;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%)}

/* ---------- 分类 Tab ---------- */
.cat-tabs{border-bottom:1px solid var(--line);margin-top:8px}
.cat-tabs-inner{display:flex;gap:30px;overflow-x:auto;scrollbar-width:none}
.cat-tabs-inner::-webkit-scrollbar{display:none}
.cat-tab{white-space:nowrap;font-size:15px;color:var(--muted);padding:14px 2px;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color 200ms var(--ease),border-color 200ms var(--ease)}
.cat-tab:hover{color:var(--ink)}
.cat-tab.is-active{color:var(--ink);font-weight:500;border-bottom-color:var(--clay)}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 20px;margin-bottom:36px;box-shadow:var(--sh-1)}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:14px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:#fff;cursor:pointer;transition:color 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease)}
.chip:hover{border-color:var(--jade);color:var(--jade)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-sort{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 索引 + 卡片网格 ---------- */
.catalog-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:40px;align-items:start}
.anchor-panel{position:sticky;top:96px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 20px 12px;box-shadow:var(--sh-1)}
.anchor-panel h3{font-size:16px;margin-bottom:12px}
.anchor-panel li a{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line);transition:color 200ms var(--ease),padding-left 200ms var(--ease)}
.anchor-panel li:last-child a{border-bottom:0}
.anchor-panel li a:hover{color:var(--clay);padding-left:4px}
.anchor-idx{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--jade)}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.svc-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.svc-card:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--sh-2)}
.svc-media{aspect-ratio:4/3;overflow:hidden;background:#EDE8DF}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.svc-card:hover .svc-media img{transform:scale(1.03)}
.svc-body{padding:20px 22px 22px}
.svc-tag{display:inline-block;font-size:12.5px;color:var(--jade);background:rgba(47,107,94,.1);border-radius:6px;padding:3px 10px}
.svc-body h3{font-size:19px;margin:12px 0 8px}
.svc-desc{color:var(--muted);font-size:15px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.svc-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.svc-meta i{color:var(--clay);margin-right:6px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.flow-item{position:relative;padding-top:30px}
.flow-item::before{content:"";position:absolute;top:9px;left:0;right:-22px;height:1px;background:var(--line)}
.flow-item:last-child::before{right:0}
.flow-item::after{content:"";position:absolute;top:4px;left:0;width:11px;height:11px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 4px rgba(201,85,43,.14)}
.flow-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;letter-spacing:.12em;color:var(--jade)}
.flow-item h3{font-size:19px;margin:8px 0 8px}
.flow-item p{font-size:15px;color:var(--muted);max-width:32ch}

/* ---------- 数据带 ---------- */
.metrics{background:var(--ink);border-radius:var(--r-lg);padding:44px 40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;position:relative;overflow:hidden}
.metrics::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle at center,rgba(47,107,94,.5),transparent 70%)}
.metric{position:relative;z-index:1}
.metric-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(26px,3vw,38px);color:#fff;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.metric-label{color:rgba(255,255,255,.62);font-size:14px;margin-top:6px}

/* ---------- 标签墙 ---------- */
.tag-wall{display:flex;flex-wrap:wrap;gap:12px}
.tag{font-size:14.5px;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 18px;transition:border-color 200ms var(--ease),color 200ms var(--ease),transform 200ms var(--ease)}
.tag:hover{border-color:var(--clay);color:var(--clay);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:22px 0;font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:18px;color:var(--ink);transition:color 220ms var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--jade);transition:transform 280ms var(--ease);flex:none}
.faq-item[open] summary{color:var(--jade)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-ans{color:var(--muted);font-size:16px;padding:0 44px 24px 0;max-width:70ch}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);border-radius:var(--r-lg);padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-60px;bottom:-80px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle at center,rgba(201,85,43,.35),transparent 70%)}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-copy p{color:rgba(255,255,255,.7);font-size:15px;margin-top:10px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,33,28,.42);opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:var(--card);z-index:80;transform:translateX(100%);transition:transform 300ms var(--ease);padding:24px 22px 32px;overflow-y:auto;box-shadow:-12px 0 32px rgba(18,33,28,.18)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink)}
.drawer-close:hover{border-color:var(--clay);color:var(--clay)}
.drawer-nav a{display:block;font-size:16px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--text)}
.drawer-nav a.is-active{color:var(--clay)}
.drawer-contact{margin-top:26px;font-size:14px;color:var(--muted);line-height:2}
.drawer .btn{width:100%;margin-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:64px;padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.site-footer .logo{color:#fff;font-size:19px}
.site-footer .logo-mark{background:var(--paper)}
.site-footer .logo-mark::after{border-color:var(--ink)}
.footer-brand p{margin-top:16px;line-height:1.85;max-width:38ch}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;font-size:13px}
.back-top{color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:6px}
.back-top:hover{color:#fff}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .nav-desktop,.search-box{display:none}
  .nav-toggle{display:inline-flex}
  .catalog-layout{grid-template-columns:1fr;gap:28px}
  .anchor-panel{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:36px 0 28px}
  .hero-points{margin-top:24px}
  .flow{grid-template-columns:1fr;gap:0}
  .flow-item{padding:22px 0 22px 24px;border-left:1px solid var(--line)}
  .flow-item::before{display:none}
  .flow-item::after{top:28px;left:-6px}
  .metrics{grid-template-columns:1fr;padding:32px 26px;gap:20px}
}
@media(max-width:768px){
  .card-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-lg{padding:56px 0}
  .cta-band{padding:32px 24px}
  .faq-ans{padding-right:0}
}
@media(max-width:520px){
  body{font-size:16px}
  .header-left{gap:14px}
  .logo{font-size:18px}
  .hero-actions .btn{width:100%}
  .hero-points li{padding:0 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category3 */
:root{
  --ink:#12211C;
  --ink-soft:#1B2E27;
  --jade:#2F6B5E;
  --jade-deep:#245247;
  --clay:#C9552B;
  --clay-deep:#AD451F;
  --ochre:#D99B3A;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --line:#E2DCD1;
  --text:#16211D;
  --muted:#5B6A63;
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(18,33,28,.05);
  --shadow-2:0 12px 32px -16px rgba(18,33,28,.18);
  --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;
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(226,220,209,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(226,220,209,.55) 1px,transparent 1px);
  background-size:64px 64px;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:var(--ink);
  letter-spacing:-.02em;
  margin:0;
  font-weight:600;
  line-height:1.35;
}
h1{font-size:clamp(32px,5vw,56px);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:clamp(18px,2vw,22px);}
p{margin:0;}
a{color:var(--jade);text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-family:"SFMono-Regular",Consolas,"Roboto Mono",monospace;letter-spacing:.02em;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:64px 0;}
.section-lg{padding:96px 0;}
.section-sm{padding:48px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--jade);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--jade);display:block;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head p{color:var(--muted);font-size:15px;max-width:56ch;}
.lead{color:var(--muted);font-size:16px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;background:none;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-pill{border-radius:999px;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);}
.btn-outline{border-color:var(--jade);color:var(--jade-deep);background:rgba(255,255,255,.6);}
.btn-outline:hover{background:var(--jade);color:#fff;transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{
  outline:2px solid var(--clay);outline-offset:2px;
}
.text-link{position:relative;font-weight:600;color:var(--jade-deep);display:inline-flex;align-items:center;gap:6px;}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:currentColor;transition:width .28s var(--ease);}
.text-link:hover::after{width:100%;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;height:68px;
  background:rgba(246,243,237,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{height:56px;background:rgba(246,243,237,.88);border-bottom-color:var(--line);box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:24px;height:100%;}
.header-left{display:flex;align-items:center;gap:26px;min-width:0;}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:7px;position:relative;
  background:linear-gradient(140deg,var(--ink),var(--jade-deep));
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border:1.5px solid rgba(217,155,58,.95);border-radius:2px;transform:rotate(45deg);
}
.logo-text{font-family:"Noto Serif SC",serif;font-weight:600;font-size:19px;color:var(--ink);letter-spacing:.04em;transition:font-size .28s var(--ease);}
.site-header.is-scrolled .logo-text{font-size:18px;}
.nav-desktop{display:none;align-items:center;gap:2px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--muted);
  border-radius:8px;transition:color .22s var(--ease),background-color .22s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(47,107,94,.07);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--clay);border-radius:2px;
}
.search-box{
  display:none;align-items:center;gap:8px;width:230px;height:38px;padding:0 16px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(201,85,43,.12);}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.nav-toggle{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);background:var(--card);z-index:120;
  transform:translateX(102%);transition:transform .3s var(--ease);box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:12px 10px;border-radius:10px;color:var(--text);font-size:15px;border-bottom:1px solid var(--line);}
.drawer-nav a:hover{background:rgba(47,107,94,.07);color:var(--jade-deep);}
.drawer-nav a.is-active{color:var(--clay);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:10px;}
.overlay{position:fixed;inset:0;background:rgba(18,33,28,.42);opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:110;}
.overlay.is-open{opacity:1;visibility:visible;}

/* 分类 Tab 条 */
.cat-tabs-wrap{border-bottom:1px solid var(--line);background:rgba(255,255,255,.6);}
.cat-tabs{display:flex;gap:26px;overflow-x:auto;scrollbar-width:none;}
.cat-tabs::-webkit-scrollbar{display:none;}
.cat-tabs a{
  position:relative;padding:16px 2px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .22s var(--ease);
}
.cat-tabs a:hover{color:var(--ink);}
.cat-tabs a.is-current{color:var(--ink);font-weight:600;}
.cat-tabs a.is-current::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--clay);}

/* 页头小分屏 */
.page-hero{padding:56px 0 56px;}
.page-hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
.page-hero-copy .badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--jade-deep);background:rgba(47,107,94,.1);border:1px solid rgba(47,107,94,.22);padding:5px 12px;border-radius:999px;}
.page-hero-copy h1{margin:18px 0 14px;}
.page-hero-copy .intro{color:var(--muted);font-size:16px;max-width:52ch;}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.page-hero-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);aspect-ratio:16/9;background:var(--card);}
.page-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.page-hero-media:hover img{transform:scale(1.03);}
.page-hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(18,33,28,.82);color:#fff;
  font-size:13px;padding:6px 14px;border-radius:999px;letter-spacing:.04em;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;font-size:14px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}

/* 对比块 */
.compare-grid{display:grid;grid-template-columns:1fr;gap:0;}
.compare-col{padding:26px 0;border-bottom:1px dashed var(--line);}
.compare-col:last-child{border-bottom:0;}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:20px;margin-bottom:6px;}
.compare-col .col-note{font-size:14px;color:var(--muted);margin-bottom:16px;}
.dot-badge{width:10px;height:10px;border-radius:3px;flex:0 0 10px;}
.dot-jade{background:var(--jade);}
.dot-ochre{background:var(--ochre);}
.check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--text);}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{content:"";width:8px;height:8px;margin-top:10px;flex:0 0 8px;border-radius:2px;background:var(--jade);}
.warn-list li::before{background:var(--ochre);}
.warn-list li{color:var(--muted);}

/* 时间线 */
.timeline{margin-top:8px;}
.timeline li{position:relative;padding:0 0 34px 58px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:14px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--paper);border:2px solid var(--jade);z-index:1;
}
.timeline li::after{
  content:"";position:absolute;left:20px;top:26px;bottom:0;width:1px;background:var(--line);
}
.timeline li:last-child::after{display:none;}
.step-no{font-size:14px;color:var(--clay);letter-spacing:.12em;font-weight:700;}
.timeline h3{margin:6px 0 8px;}
.timeline p{color:var(--muted);font-size:15.5px;max-width:60ch;}

/* 公告类别清单 */
.notice-list{border-top:1px solid var(--line);}
.notice-row{
  display:grid;grid-template-columns:1fr;gap:8px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease);align-items:baseline;
}
.notice-row:hover{background:rgba(47,107,94,.05);}
.notice-idx{font-size:30px;font-weight:600;color:rgba(18,33,28,.22);font-family:"Noto Serif SC",serif;line-height:1;}
.notice-row h3{font-size:19px;margin:0;}
.notice-row p{color:var(--muted);font-size:15px;}

/* 深色面板 */
.dark-panel{
  background:linear-gradient(150deg,var(--ink),#1B352C);
  border-radius:var(--radius-xl);color:#EDF2EF;padding:38px 32px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-2);
}
.dark-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,155,58,.28),transparent 68%);
}
.dark-panel h2{color:#fff;}
.dark-panel .panel-sub{color:rgba(237,242,239,.72);font-size:15px;margin-top:8px;max-width:46ch;}
.panel-grid{display:grid;grid-template-columns:1fr;gap:28px;margin-top:26px;position:relative;z-index:1;}
.time-list li{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:15px;}
.time-list .k{color:rgba(237,242,239,.7);min-width:96px;}
.time-list .v{color:#fff;font-weight:600;}
.time-list .v.accent{color:var(--ochre);}
.panel-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.panel-note{font-size:13.5px;color:rgba(237,242,239,.66);}

/* 核实要点 */
.point-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.point{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px;
  box-shadow:var(--shadow-1);transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.point:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--shadow-2);}
.point i{color:var(--jade);font-size:18px;}
.point h3{margin:14px 0 8px;font-size:18px;}
.point p{color:var(--muted);font-size:15px;}

/* CTA 带 */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:28px 30px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:22px;}
.cta-band p{color:var(--muted);font-size:14.5px;margin-top:6px;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(237,242,239,.78);padding:60px 0 26px;margin-top:64px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.9;margin-top:16px;max-width:42ch;color:rgba(237,242,239,.7);}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:14px;font-family:"Noto Serif SC",serif;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14.5px;}
.footer-col a{color:rgba(237,242,239,.78);transition:color .22s var(--ease);}
.footer-col a:hover{color:var(--ochre);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(237,242,239,.6);
}
.back-top{color:rgba(237,242,239,.82);display:inline-flex;align-items:center;gap:8px;}
.back-top:hover{color:var(--ochre);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (min-width:640px){
  .point-grid{grid-template-columns:1fr 1fr;}
  .notice-row{grid-template-columns:76px 1fr;gap:20px;align-items:start;}
  .notice-row p{grid-column:2;}
}
@media (min-width:1024px){
  .nav-desktop{display:flex;}
  .nav-toggle{display:none;}
  .search-box{display:flex;}
  .page-hero-grid{grid-template-columns:5fr 7fr;gap:48px;}
  .compare-grid{grid-template-columns:1fr 1fr;}
  .compare-col{padding:6px 0 6px 44px;}
  .compare-col:first-child{padding-left:0;padding-right:44px;border-right:1px solid var(--line);}
  .panel-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
  .point-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;}
  .dark-panel{padding:48px 44px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .section,.section-lg{padding:48px 0;}
  body{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --ink:#12211C;
  --jade:#2F6B5E;
  --clay:#C9552B;
  --clay-deep:#B2441F;
  --ochre:#D99B3A;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --line:#E2DCD1;
  --text:#16211D;
  --muted:#5B6A63;
  --radius-lg:20px;
  --radius:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(18,33,28,.05);
  --shadow-2:0 12px 32px -16px rgba(18,33,28,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:68px;
}
*,*::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:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC","SimSun",serif;letter-spacing:-.02em;margin:0;color:var(--ink);font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 32px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--header-h);
  background:rgba(246,243,237,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{height:56px;background:rgba(246,243,237,.88);border-bottom-color:var(--line);box-shadow:var(--shadow-1);}
.site-header.is-scrolled .logo-text{font-size:18px;}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;}
.header-left{display:flex;align-items:center;gap:30px;min-width:0;}
.header-right{display:flex;align-items:center;gap:14px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:26px;height:26px;border-radius:8px;background:var(--ink);position:relative;flex:none;
  box-shadow:inset 0 0 0 1px rgba(246,243,237,.18);
}
.logo-mark::after{
  content:"";position:absolute;width:10px;height:10px;background:var(--clay);
  left:50%;top:50%;transform:translate(-50%,-50%) rotate(45deg);border-radius:2px;
}
.logo-text{font-family:"Noto Serif SC",serif;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.06em;transition:font-size .24s var(--ease);}
.nav-desktop{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:9px 12px;border-radius:9px;
  transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(47,107,94,.07);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;background:var(--clay);border-radius:2px;
}
.search-box{
  display:flex;align-items:center;gap:9px;height:40px;padding:0 16px;min-width:210px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:#98A29C;}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(201,85,43,.13);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;font-size:15px;font-weight:600;
  border:1px solid transparent;border-radius:var(--radius-btn);cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 10px 22px -14px rgba(201,85,43,.85);}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--jade);border-color:var(--jade);}
.btn-ghost:hover{background:rgba(47,107,94,.08);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#1C332B;transform:translateY(-1px);}
.btn-pill{border-radius:999px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--jade);font-weight:600;
  background-image:linear-gradient(var(--jade),var(--jade));background-size:0 1px;background-repeat:no-repeat;
  background-position:0 100%;transition:background-size .28s var(--ease),color .2s var(--ease);padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px;color:var(--jade);}

.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:11px;color:var(--ink);font-size:16px;cursor:pointer;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--jade);transform:translateY(-1px);}

/* Drawer */
.nav-drawer{
  position:fixed;top:0;right:0;width:308px;max-width:86vw;height:100%;z-index:90;
  background:var(--card);border-left:1px solid var(--line);padding:24px 24px 32px;
  transform:translateX(102%);transition:transform .32s var(--ease);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--line);border-radius:10px;color:var(--ink);cursor:pointer;font-size:15px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-link{padding:12px 14px;border-radius:11px;font-size:15.5px;color:var(--muted);transition:background .2s var(--ease),color .2s var(--ease);}
.drawer-link:hover{background:rgba(47,107,94,.07);color:var(--ink);}
.drawer-link.is-active{background:rgba(201,85,43,.08);color:var(--ink);font-weight:600;border-left:3px solid var(--clay);}
.drawer-cta{margin-bottom:20px;}
.drawer-info{border-top:1px solid var(--line);padding-top:18px;font-size:13.5px;color:var(--muted);line-height:1.9;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,28,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Sections ============ */
.section{padding:64px 0;}
.section-tight{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;
  color:var(--jade);font-weight:700;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--jade);}

/* Hero */
.page-hero{padding:56px 0 0;}
.crumb{font-size:13px;color:var(--muted);margin-bottom:26px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--muted);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--jade);}
.crumb span.sep{color:#B9C1BC;}
.crumb .current{color:var(--ink);}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;}
.hero-title{font-size:clamp(30px,4.4vw,50px);line-height:1.24;font-weight:700;}
.hero-lead{
  margin-top:18px;font-size:17px;color:var(--muted);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13.5px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--jade);font-size:12px;}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);
  border:1px solid var(--line);background:var(--card);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.hero-figure:hover img{transform:scale(1.03);}
.hero-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(18,33,28,.05) 0 1px,transparent 1px 26px),
                   repeating-linear-gradient(90deg,rgba(18,33,28,.05) 0 1px,transparent 1px 26px);
  opacity:.7;
}
.hero-corner{
  position:absolute;top:16px;right:16px;z-index:2;
  background:rgba(246,243,237,.93);color:var(--ink);
  font-size:12.5px;font-weight:600;padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);letter-spacing:.04em;
}

/* Category tabs */
.cat-tabs{
  display:flex;gap:6px;margin-top:48px;border-bottom:1px solid var(--line);
  overflow-x:auto;scrollbar-width:none;
}
.cat-tabs::-webkit-scrollbar{display:none;}
.cat-tab{
  position:relative;padding:14px 18px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .2s var(--ease);
}
.cat-tab:hover{color:var(--ink);}
.cat-tab.is-current{color:var(--ink);font-weight:600;}
.cat-tab.is-current::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;background:var(--clay);border-radius:2px;
}

/* Metrics band */
.metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);
  overflow:hidden;
}
.metric{padding:30px 32px;border-left:1px solid var(--line);}
.metric:first-child{border-left:0;}
.metric-num{
  display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.01em;
  margin-bottom:6px;
}
.metric h3{font-size:16px;margin-bottom:6px;}
.metric p{font-size:14px;color:var(--muted);line-height:1.75;}

/* Tags */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--jade);
  background:rgba(47,107,94,.08);border:1px solid rgba(47,107,94,.18);
  padding:7px 14px;border-radius:999px;transition:background .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{background:rgba(47,107,94,.14);transform:translateY(-1px);}

/* FAQ layout */
.faq-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:48px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-family:"Noto Serif SC",serif;font-size:17.5px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--jade);}
.faq-item.is-open .faq-q{color:var(--jade);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted);
  transition:transform .28s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--jade);color:var(--jade);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a-inner{padding:0 44px 24px 0;font-size:15.5px;color:var(--muted);line-height:1.85;}
.faq-a-inner strong{color:var(--ink);font-weight:600;}

/* Side cards */
.side-stack{position:sticky;top:88px;display:grid;gap:20px;}
.res-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.res-card:hover{border-color:var(--jade);transform:translateY(-4px);box-shadow:var(--shadow-2);}
.res-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.res-card-body{padding:20px 22px 24px;}
.res-card-body h3{font-size:17px;margin-bottom:8px;}
.res-card-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.contact-card{
  background:var(--ink);color:#F1EFE9;border:1px solid var(--ink);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-2);
}
.contact-card h3{color:#fff;font-size:18px;margin-bottom:16px;}
.contact-list li{
  display:flex;justify-content:space-between;gap:14px;font-size:14px;
  padding:11px 0;border-bottom:1px solid rgba(246,243,237,.14);color:rgba(241,239,233,.82);
}
.contact-list li:last-child{border-bottom:0;}
.contact-list b{color:#fff;font-weight:600;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}
.contact-card .btn{margin-top:18px;}

/* Tips */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.tip{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.tip:hover{border-color:var(--jade);transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tip-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;letter-spacing:.18em;
  color:var(--ochre);font-weight:700;display:block;margin-bottom:14px;
}
.tip h3{font-size:17px;margin-bottom:10px;}
.tip p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* Related links */
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);}
.related-item{
  padding:26px 28px 26px 0;border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:10px;transition:padding-left .24s var(--ease);
}
.related-item:hover{padding-left:8px;}
.related-item h3{font-size:17px;}
.related-item p{font-size:14px;color:var(--muted);line-height:1.78;}

/* CTA band */
.cta-band{
  background:var(--ink);border-radius:var(--radius-lg);padding:38px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,27px);line-height:1.4;}
.cta-band p{color:rgba(241,239,233,.76);font-size:14.5px;margin-top:8px;max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-primary{box-shadow:0 12px 24px -14px rgba(201,85,43,.9);}
.cta-band .btn-ghost{background:transparent;color:#F1EFE9;border-color:rgba(241,239,233,.45);}
.cta-band .btn-ghost:hover{background:rgba(241,239,233,.1);}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ Footer ============ */
.site-footer{background:#0E1A16;color:rgba(241,239,233,.78);padding:64px 0 0;margin-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:#F6F3ED;}
.footer-brand .logo-mark::after{background:var(--clay);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(241,239,233,.7);max-width:34em;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14px;color:rgba(241,239,233,.7);}
.footer-col a{color:rgba(241,239,233,.7);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(246,243,237,.12);padding:22px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(241,239,233,.6);max-width:1240px;margin-left:auto;margin-right:auto;
}
.footer-bottom .tech{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.back-top{
  display:inline-flex;align-items:center;gap:8px;color:rgba(241,239,233,.8);font-size:13px;
  border:1px solid rgba(246,243,237,.2);padding:8px 15px;border-radius:999px;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.back-top:hover{background:rgba(246,243,237,.12);color:#fff;transform:translateY(-1px);}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .nav-link{font-size:14px;padding:9px 9px;}
  .nav-link.is-active::after{left:9px;right:9px;}
  .search-box{min-width:170px;}
  .header-left{gap:20px;}
}
@media (max-width:1023px){
  .nav-desktop,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{order:2;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .side-stack{position:static;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-left:0;border-top:1px solid var(--line);}
  .metric:first-child{border-top:0;}
  .tips-grid{grid-template-columns:1fr 1fr;}
  .related-list{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .page-hero{padding-top:36px;}
  .hero-title{font-size:clamp(27px,7vw,36px);}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .metrics{grid-template-columns:1fr;}
  .metric{padding:24px 22px;}
  .tips-grid{grid-template-columns:1fr;}
  .related-list{grid-template-columns:1fr;}
  .faq-q{font-size:16.5px;}
  .faq-a-inner{padding-right:0;}
  .cta-band{padding:28px 24px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:22px 20px;}
}
@media (max-width:520px){
  .header-right .btn-primary{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero-meta{gap:8px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}