/* roulang page: index */
:root{
  --paper:#F6F1E7;
  --surface:#FFFDF8;
  --ink:#1E2320;
  --ink-2:#5A625C;
  --ink-3:#8A8F86;
  --celadon:#0E5C55;
  --celadon-dark:#0A453F;
  --celadon-soft:#E4EDE9;
  --amber:#C0763A;
  --brass:#A98545;
  --line:#E2D9C8;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(30,35,32,.06);
  --shadow-2:0 8px 20px rgba(30,35,32,.10);
  --container:1200px;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
}
img{max-width:100%;display:block;}
a{color:var(--celadon);text-decoration:none;}
a:hover{color:var(--celadon-dark);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;line-height:1.35;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- top bar ---------- */
.topbar{background:var(--celadon);color:#EAF3F0;font-size:13px;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap;}
.topbar-inner span{opacity:.92;}
.topbar-inner .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brass);margin-right:8px;vertical-align:middle;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:10px;background:var(--celadon);color:#F4EDE0;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:20px;font-weight:700;letter-spacing:1px;border:1px solid var(--brass);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--font-serif);font-size:19px;color:var(--ink);letter-spacing:.5px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:1px;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-main a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:6px;
  font-size:15px;color:var(--ink-2);transition:color .18s ease,background .18s ease;
}
.nav-main a:hover{color:var(--celadon);background:var(--celadon-soft);}
.nav-main a.active{color:var(--celadon);font-weight:600;}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--celadon);border-radius:2px;
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,84vw);background:var(--surface);z-index:90;
  transform:translateX(100%);transition:transform .26s ease;box-shadow:-8px 0 30px rgba(30,35,32,.16);
  padding:22px;display:flex;flex-direction:column;gap:8px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-head strong{font-family:var(--font-serif);font-size:17px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:8px;cursor:pointer;font-size:18px;color:var(--ink-2);}
.drawer a.drawer-link{padding:13px 12px;border-radius:8px;color:var(--ink);font-size:16px;border-bottom:1px solid var(--line);}
.drawer a.drawer-link.active{color:var(--celadon);font-weight:600;background:var(--celadon-soft);}
.drawer .btn{margin-top:14px;}
.overlay{position:fixed;inset:0;background:rgba(30,35,32,.4);opacity:0;pointer-events:none;transition:.26s;z-index:80;}
.overlay.show{opacity:1;pointer-events:auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--celadon);color:#FFFFFF;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--celadon-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:var(--surface);color:var(--celadon);border-color:var(--celadon);}
.btn-ghost:hover{background:var(--celadon-soft);color:var(--celadon-dark);}
.btn-amber{background:transparent;color:var(--amber);border-color:var(--amber);}
.btn-amber:hover{background:#FBEFE3;color:var(--amber);}
.link-more{font-size:14px;font-weight:600;color:var(--celadon);border-bottom:1px solid transparent;transition:.18s;}
.link-more:hover{border-bottom-color:var(--amber);color:var(--celadon-dark);}

/* ---------- section base ---------- */
main{display:block;}
.section{padding:72px 0;}
.section-surface{background:var(--surface);}
.section-soft{background:var(--celadon-soft);}
.section-paper{background:var(--paper);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:26px;font-weight:700;letter-spacing:.3px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--celadon);}
.section-sub{font-size:14px;color:var(--ink-2);max-width:640px;margin-top:8px;padding-left:16px;}
.section-note{font-size:13px;color:var(--ink-3);}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--paper) 0%,#F2EBDE 100%);padding:64px 0 72px;border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:var(--celadon);
  background:var(--celadon-soft);border:1px solid var(--celadon);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero h1{font-size:38px;line-height:1.35;letter-spacing:.5px;margin-bottom:18px;}
.hero h1 .hl{color:var(--celadon);}
.hero-lead{font-size:16px;color:var(--ink-2);max-width:620px;margin-bottom:26px;}
.search-bar{
  display:grid;grid-template-columns:1.6fr 1fr auto;gap:10px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow-1);
}
.search-bar input,.search-bar select{
  height:46px;border:1px solid var(--line);border-radius:8px;padding:0 14px;background:var(--surface);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-bar input:focus,.search-bar select:focus{outline:none;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(14,92,85,.14);}
.search-bar .btn{height:46px;}
.hero-links{display:flex;align-items:center;gap:22px;margin-top:18px;font-size:14px;flex-wrap:wrap;}
.hero-links a{color:var(--ink-2);border-bottom:1px solid var(--line);padding-bottom:2px;transition:.18s;}
.hero-links a:hover{color:var(--celadon);border-bottom-color:var(--amber);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:6/5;object-fit:cover;border-radius:16px;
  border:1px solid var(--brass);box-shadow:var(--shadow-2);background:var(--celadon-soft);
}
.seal{
  position:absolute;top:14px;right:14px;background:rgba(255,253,248,.94);border:2px solid var(--brass);
  color:var(--brass);border-radius:6px;padding:6px 10px;font-family:var(--font-serif);font-size:12px;
  line-height:1.4;text-align:center;letter-spacing:1px;
}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;background:rgba(14,92,85,.9);color:#F2F8F5;font-size:12px;
  padding:6px 12px;border-radius:6px;letter-spacing:.5px;
}

/* ---------- chips ---------- */
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:4px 0 6px;scrollbar-width:thin;}
.chip{
  flex:0 0 auto;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  border-radius:999px;padding:8px 18px;font-size:14px;cursor:pointer;transition:.18s;white-space:nowrap;
}
.chip:hover{border-color:var(--celadon);color:var(--celadon);}
.chip.active{background:var(--celadon);border-color:var(--celadon);color:#FFFFFF;}

/* ---------- stats ---------- */
.stats-band{background:var(--celadon-soft);padding:40px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{padding:0 8px;border-left:1px solid rgba(14,92,85,.18);padding-left:20px;}
.stat:first-child{border-left:none;padding-left:0;}
.stat-num{font-family:var(--font-serif);font-size:34px;font-weight:700;color:var(--celadon);line-height:1.2;}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:4px;}

/* ---------- cards / posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.thumb{position:relative;aspect-ratio:16/9;background:var(--celadon-soft);overflow:hidden;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-block;font-size:12px;line-height:1.6;padding:2px 10px;border-radius:4px;
  background:var(--celadon-soft);color:var(--celadon);font-weight:600;letter-spacing:.5px;
}
.badge-outline{background:transparent;border:1px solid var(--brass);color:var(--brass);font-weight:500;}
.post-title{font-family:var(--font-serif);font-size:19px;line-height:1.5;color:var(--ink);}
.post-card:hover .post-title{color:var(--celadon);}
.post-excerpt{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:8px;border-top:1px dashed var(--line);}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:48px 24px;text-align:center;color:var(--ink-2);
}
.empty-state .empty-icon{
  width:54px;height:54px;margin:0 auto 14px;border-radius:50%;border:1px solid var(--line);
  background:var(--celadon-soft);display:flex;align-items:center;justify-content:center;color:var(--celadon);font-size:22px;
}
.empty-state p{font-size:14px;}
.empty-state p span{display:block;color:var(--ink-3);margin-top:6px;}

/* ---------- feature two col ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:.18s;display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.feature-card .thumb{aspect-ratio:16/9;}
.feature-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;}
.feature-body h3{font-size:21px;}
.feature-body p{font-size:14px;color:var(--ink-2);}
.code-line{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-3);padding-top:10px;border-top:1px dashed var(--line);}
.code-line strong{color:var(--brass);font-weight:600;letter-spacing:1px;}

/* ---------- city grid ---------- */
.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.city-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 22px 18px;transition:.18s;box-shadow:var(--shadow-1);}
.city-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.city-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;}
.city-name{font-family:var(--font-serif);font-size:20px;font-weight:700;}
.city-count{font-size:13px;color:var(--celadon);font-weight:600;}
.city-desc{font-size:13px;color:var(--ink-2);margin-top:8px;}
.city-foot{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3);display:flex;justify-content:space-between;}

/* ---------- topic list ---------- */
.topic-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:10px 26px;box-shadow:var(--shadow-1);}
.topic-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start;}
.topic-item:last-child{border-bottom:none;}
.topic-num{font-family:var(--font-serif);font-size:22px;color:var(--amber);font-weight:700;line-height:1.2;min-width:34px;}
.topic-main h3{font-size:17px;margin-bottom:4px;}
.topic-main p{font-size:14px;color:var(--ink-2);}
.topic-meta{font-size:12px;color:var(--ink-3);margin-top:6px;letter-spacing:.5px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-1);transition:.18s;
}
.step:hover{border-color:rgba(14,92,85,.4);box-shadow:var(--shadow-2);}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:6px;
  border:1px solid var(--amber);color:var(--amber);font-family:var(--font-serif);font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:13px;color:var(--ink-2);}
.step::after{
  content:"";position:absolute;right:-14px;top:50%;width:12px;height:1px;background:var(--brass);opacity:.7;
}
.step:last-child::after{display:none;}

/* ---------- topic index small cards ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px 18px;
  transition:.18s;display:flex;flex-direction:column;gap:6px;box-shadow:var(--shadow-1);
}
.mini-card:hover{background:var(--celadon-soft);border-color:rgba(14,92,85,.35);transform:translateY(-2px);}
.mini-card strong{font-size:15px;font-weight:600;color:var(--ink);font-family:var(--font-serif);}
.mini-card span{font-size:12px;color:var(--ink-3);}

/* ---------- editor picks ---------- */
.pick-scroll{display:flex;gap:24px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.pick-card{
  flex:0 0 340px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:.18s;display:flex;flex-direction:column;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.pick-card .thumb{aspect-ratio:4/3;}
.pick-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;}
.pick-body h3{font-size:19px;}
.pick-body p{font-size:14px;color:var(--ink-2);}

/* ---------- year timeline ---------- */
.year-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-1);}
.month-track{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:4px;margin:10px 0 4px;}
.month-track::before{content:"";position:absolute;left:0;right:0;top:12px;height:1px;background:var(--line);}
.month{position:relative;text-align:center;font-size:12px;color:var(--ink-3);padding-top:26px;}
.month::before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:9px;height:9px;border-radius:50%;background:var(--surface);border:1px solid var(--brass);}
.month.now{color:var(--amber);font-weight:700;}
.month.now::before{background:var(--amber);border-color:var(--amber);box-shadow:0 0 0 4px rgba(192,118,58,.16);}
.year-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 40px;margin-top:26px;}
.year-item{display:flex;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;align-items:baseline;}
.year-item time{color:var(--brass);font-size:13px;letter-spacing:.5px;flex-shrink:0;}
.year-item span{color:var(--ink-2);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.18s;box-shadow:var(--shadow-1);}
.faq-item[open]{border-color:rgba(14,92,85,.4);box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 54px 18px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--celadon);font-weight:400;transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-answer{padding:0 22px 20px;font-size:14px;color:var(--ink-2);line-height:1.85;}
.faq-aside{background:var(--celadon);color:#EAF3F0;border-radius:var(--radius-card);padding:30px 26px;box-shadow:var(--shadow-2);}
.faq-aside h3{color:#FFFFFF;font-size:19px;margin-bottom:14px;}
.faq-aside ul{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.faq-aside li{font-size:14px;color:#D6E6E1;padding-left:16px;position:relative;}
.faq-aside li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brass);}
.faq-aside .btn{width:100%;}

/* ---------- feedback ---------- */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.fb-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:.18s;}
.fb-card:nth-child(2){margin-top:26px;}
.fb-card:nth-child(3){margin-top:12px;}
.fb-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.fb-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--celadon-soft);color:var(--celadon);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;
  border:1px solid var(--line);flex-shrink:0;
}
.fb-name{font-size:14px;font-weight:600;}
.fb-time{font-size:12px;color:var(--ink-3);}
.fb-text{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- form ---------- */
.submit-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start;}
.submit-info h2{font-size:26px;margin-bottom:14px;}
.submit-info p{font-size:15px;color:var(--ink-2);margin-bottom:22px;}
.point-list{display:flex;flex-direction:column;gap:14px;}
.point-list li{display:flex;gap:12px;font-size:14px;color:var(--ink-2);}
.point-list li b{color:var(--amber);font-family:var(--font-serif);flex-shrink:0;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-2);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field label{font-size:13px;font-weight:600;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:10px 14px;background:var(--surface);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(14,92,85,.14);}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--celadon);flex-shrink:0;}
.form-hint{font-size:12px;color:var(--ink-3);margin-top:12px;line-height:1.7;}
.form-msg{font-size:13px;color:var(--celadon);margin-top:12px;display:none;}
.form-msg.show{display:block;}

/* ---------- statement ---------- */
.statement{background:var(--surface);border-top:1px solid var(--line);padding:34px 0;}
.statement-inner{display:flex;gap:24px;justify-content:space-between;align-items:center;flex-wrap:wrap;}
.statement p{font-size:13px;color:var(--ink-3);max-width:720px;line-height:1.8;}
.statement nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--celadon);color:#D8E7E2;padding:60px 0 0;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brass);box-shadow:0 4px 0 rgba(169,133,69,.35);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,253,248,.12);border-color:var(--brass);color:#F6F1E7;}
.footer-brand strong{font-family:var(--font-serif);font-size:18px;color:#FFFFFF;}
.footer-about{font-size:13px;color:#BFD6D0;line-height:1.9;max-width:340px;}
.footer-col h4{font-size:15px;color:#FFFFFF;margin-bottom:16px;font-family:var(--font-serif);letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#C8DDD7;transition:.18s;}
.footer-col a:hover{color:#FFFFFF;}
.footer-col li span{font-size:14px;color:#C8DDD7;}
.footer-bottom{border-top:1px solid rgba(255,253,248,.18);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#AEC9C2;}
.footer-bottom a{color:#D8E7E2;}
.footer-bottom a:hover{color:#FFFFFF;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:34px;}
  .pick-card{flex-basis:300px;}
  .mini-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .nav-main{gap:2px;}
  .nav-main a{padding:9px 10px;font-size:14px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure img{aspect-ratio:16/9;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .city-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .faq-grid{grid-template-columns:1fr;}
  .submit-wrap{grid-template-columns:1fr;gap:28px;}
  .feedback-grid{grid-template-columns:1fr;}
  .fb-card:nth-child(2),.fb-card:nth-child(3){margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-main{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-cta{display:none;}
  .section{padding:48px 0;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:15px;}
  .search-bar{grid-template-columns:1fr;gap:10px;}
  .search-bar .btn{width:100%;}
  .feature-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .city-grid{grid-template-columns:1fr;}
  .mini-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr;}
  .year-cols{grid-template-columns:1fr;}
  .year-panel{padding:22px;}
  .topic-panel{padding:6px 18px;}
  .topic-item{gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section-title{font-size:22px;}
  .section-head{margin-bottom:24px;}
  .month{font-size:10px;}
  .pick-card{flex-basis:82vw;}
  .form-row{grid-template-columns:1fr;}
  .topbar-inner{justify-content:center;text-align:center;font-size:12px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero h1{font-size:24px;}
  .stat-num{font-size:28px;}
  .mini-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .search-bar .btn{width:100%;}
  .topic-num{font-size:19px;min-width:28px;}
  .month-track{gap:2px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:11px;}
}

/* roulang page: category1 */
:root{
  --paper:#F6F1E7;
  --surface:#FFFDF8;
  --ink:#1E2320;
  --ink-2:#5A625C;
  --ink-3:#8A8F86;
  --celadon:#0E5C55;
  --celadon-dark:#0A453F;
  --celadon-soft:#E4EDE9;
  --amber:#C0763A;
  --brass:#A98545;
  --line:#E2D9C8;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(30,35,32,.06);
  --shadow-2:0 8px 20px rgba(30,35,32,.10);
  --container:1200px;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.8;
  color:var(--ink);background:var(--paper);
}
img{max-width:100%;display:block;}
a{color:var(--celadon);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--celadon-dark);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;}

/* ---------- top bar ---------- */
.topbar{background:var(--celadon);color:#EAF3F0;font-size:13px;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap;}
.topbar-inner span{opacity:.92;}
.topbar-inner .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brass);margin-right:8px;vertical-align:middle;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:10px;background:var(--celadon);color:#F4EDE0;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:20px;font-weight:700;letter-spacing:1px;border:1px solid var(--brass);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--font-serif);font-size:19px;color:var(--ink);letter-spacing:.5px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:1px;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-main a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:6px;
  font-size:15px;color:var(--ink-2);transition:color .18s ease,background .18s ease;
}
.nav-main a:hover{color:var(--celadon);background:var(--celadon-soft);}
.nav-main a.active{color:var(--celadon);font-weight:600;}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--celadon);border-radius:2px;
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;margin-left:10px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,84vw);background:var(--surface);z-index:90;
  transform:translateX(100%);transition:transform .26s ease;box-shadow:-8px 0 30px rgba(30,35,32,.16);
  padding:22px;display:flex;flex-direction:column;gap:8px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-head strong{font-family:var(--font-serif);font-size:17px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:8px;cursor:pointer;font-size:18px;color:var(--ink-2);}
.drawer a.drawer-link{padding:13px 12px;border-radius:8px;color:var(--ink);font-size:16px;border-bottom:1px solid var(--line);}
.drawer a.drawer-link.active{color:var(--celadon);font-weight:600;background:var(--celadon-soft);}
.drawer .btn{margin-top:14px;}
.drawer-mask{position:fixed;inset:0;background:rgba(30,35,32,.36);z-index:80;opacity:0;pointer-events:none;transition:opacity .24s ease;}
.drawer-mask.open{opacity:1;pointer-events:auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--celadon);color:#FFFFFF;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--celadon-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:var(--surface);color:var(--celadon);border-color:var(--celadon);}
.btn-ghost:hover{background:var(--celadon-soft);color:var(--celadon-dark);}
.btn-amber{background:transparent;color:var(--amber);border-color:var(--amber);}
.btn-amber:hover{background:#FBEFE3;color:var(--amber);}

/* ---------- section base ---------- */
main{display:block;}
.section{padding:72px 0;}
.section-surface{background:var(--surface);}
.section-soft{background:var(--celadon-soft);}
.section-paper{background:var(--paper);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:26px;font-weight:700;letter-spacing:.3px;line-height:1.4;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--celadon);}
.section-sub{font-size:14px;color:var(--ink-2);max-width:660px;margin-top:8px;padding-left:16px;}
.section-note{font-size:13px;color:var(--ink-3);}

/* ---------- category head ---------- */
.cat-head{background:linear-gradient(180deg,var(--paper) 0%,#F1EADD 100%);padding:36px 0 56px;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--celadon);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink);}
.cat-head-grid{display:grid;grid-template-columns:1fr 322px;gap:44px;align-items:start;}
.cat-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;color:var(--celadon);
  background:var(--celadon-soft);border:1px solid rgba(14,92,85,.35);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.cat-head h1{font-family:var(--font-serif);font-size:34px;line-height:1.35;margin:0 0 16px;letter-spacing:.5px;}
.cat-head h1 .hl{color:var(--celadon);}
.cat-lead{font-size:16px;color:var(--ink-2);max-width:720px;margin:0 0 20px;}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-block;font-size:13px;color:var(--celadon);background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;transition:.18s ease;
}
.chip:hover{border-color:var(--celadon);background:var(--celadon-soft);color:var(--celadon-dark);}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:22px 22px 14px;
}
.stat-card h2{font-size:15px;font-weight:600;margin:0 0 12px;color:var(--ink-2);letter-spacing:.5px;}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.stat-row:last-child{border-bottom:0;}
.stat-row .num{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--celadon);line-height:1.2;}
.stat-row .lbl{font-size:13px;color:var(--ink-3);}
.stat-foot{font-size:12px;color:var(--ink-3);margin-top:8px;line-height:1.7;}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-1);
}
.field{display:flex;flex-direction:column;gap:6px;min-width:0;}
.field label{font-size:13px;color:var(--ink-2);}
.field input,.field select{
  height:44px;min-width:170px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(14,92,85,.14);
}
.filter-bar .btn{margin-left:auto;}
.sort-group{display:flex;gap:8px;}
.sort-btn{
  height:44px;padding:0 16px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  border-radius:var(--radius-btn);font-size:14px;cursor:pointer;transition:.18s ease;
}
.sort-btn:hover{border-color:var(--celadon);color:var(--celadon);}
.sort-btn.is-active{background:var(--celadon);border-color:var(--celadon);color:#fff;font-weight:600;}

/* ---------- post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.post-thumb{display:block;aspect-ratio:16/9;background:var(--celadon-soft);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-block;font-size:12px;line-height:1.6;padding:2px 10px;border-radius:4px;
  background:var(--celadon-soft);color:var(--celadon);border:1px solid transparent;
}
.badge-outline{background:transparent;border:1px solid var(--brass);color:var(--brass);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.post-title{font-size:17px;line-height:1.55;font-weight:600;margin:0;color:var(--ink);}
.post-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a:hover{color:var(--celadon);}
.post-excerpt{
  font-size:14px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;line-height:1.75;
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);}
.post-meta a{font-weight:600;font-size:14px;}
.empty-state{
  text-align:center;padding:56px 20px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-card);color:var(--ink-2);
}
.empty-state .empty-icon{
  width:54px;height:54px;margin:0 auto 14px;border-radius:50%;border:1px solid var(--brass);
  display:flex;align-items:center;justify-content:center;color:var(--brass);font-family:var(--font-serif);font-size:22px;
}
.list-foot{display:flex;justify-content:center;margin-top:36px;}

/* ---------- tags ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a,.tag-cloud span{
  display:inline-block;font-size:14px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);transition:.18s ease;
}
.tag-cloud a:hover{border-color:var(--celadon);background:var(--celadon-soft);color:var(--celadon-dark);}

/* ---------- notes ---------- */
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 26px 20px;box-shadow:var(--shadow-1);
}
.note-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin:0 0 12px;}
.note-card h3 .seal{
  width:30px;height:30px;border:1px solid var(--amber);border-radius:4px;color:var(--amber);
  font-family:var(--font-serif);font-size:14px;display:flex;align-items:center;justify-content:center;
}
.note-card p{font-size:15px;color:var(--ink-2);margin:0 0 12px;}
.note-list{display:flex;flex-direction:column;gap:9px;}
.note-list li{position:relative;padding-left:16px;font-size:15px;color:var(--ink-2);}
.note-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--celadon);}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:14px;max-width:920px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;
  color:var(--ink);cursor:pointer;transition:background .18s ease;
}
.faq-q:hover{background:var(--celadon-soft);}
.faq-q .sign{flex-shrink:0;width:24px;height:24px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--celadon);font-size:16px;line-height:1;transition:transform .2s ease;}
.faq-item.open .faq-q .sign{transform:rotate(45deg);border-color:var(--celadon);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- cta block ---------- */
.cta-block{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 32px;box-shadow:var(--shadow-1);
}
.cta-block h2{font-size:22px;margin:0 0 8px;}
.cta-block p{margin:0;font-size:15px;color:var(--ink-2);max-width:680px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.legal-note{font-size:12px;color:var(--ink-3);margin-top:22px;line-height:1.8;}

/* ---------- footer ---------- */
.site-footer{background:var(--celadon-dark);color:#DCE8E4;padding:60px 0 26px;border-top:2px double var(--brass);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{background:transparent;color:#F4EDE0;border-color:var(--brass);}
.footer-brand strong{font-family:var(--font-serif);font-size:18px;color:#FFFDF8;letter-spacing:.5px;}
.footer-about{font-size:14px;line-height:1.9;color:#BFD3CE;margin:0;}
.footer-col h4{font-size:15px;color:#FFFDF8;margin:0 0 14px;letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:#C4D7D2;}
.footer-col a:hover{color:#FFFDF8;}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,253,248,.18);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#AFC5C0;
}
.footer-bottom a{color:#DCE8E4;}
.footer-bottom a:hover{color:#FFFDF8;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-head-grid{grid-template-columns:1fr 280px;gap:32px;}
  .post-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
}
@media (max-width:1023px){
  .section{padding:56px 0;}
  .nav-main{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .cat-head-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .note-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-block{grid-template-columns:1fr;}
  .filter-bar .btn{margin-left:0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .cat-head{padding:26px 0 44px;}
  .cat-head h1{font-size:27px;}
  .cat-lead{font-size:15px;}
  .section-title{font-size:22px;}
  .post-grid{grid-template-columns:1fr;}
  .field,.field input,.field select{min-width:0;width:100%;}
  .filter-bar{flex-direction:column;align-items:stretch;}
  .sort-group{width:100%;}
  .sort-btn{flex:1;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .topbar-inner{font-size:12px;min-height:34px;}
  .brand-text strong{font-size:17px;}
  .brand-text em{font-size:11px;}
  .cat-head h1{font-size:24px;}
  .stat-card{padding:18px 18px 10px;}
  .cta-block{padding:22px;}
}

/* roulang page: article */
:root{
  --paper:#F6F1E7;
  --surface:#FFFDF8;
  --ink:#1E2320;
  --ink-2:#5A625C;
  --ink-3:#8A8F86;
  --celadon:#0E5C55;
  --celadon-dark:#0A453F;
  --celadon-soft:#E4EDE9;
  --amber:#C0763A;
  --brass:#A98545;
  --line:#E2D9C8;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(30,35,32,.06);
  --shadow-2:0 8px 20px rgba(30,35,32,.10);
  --container:1200px;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--celadon);text-decoration:none;transition:color .18s ease,background .18s ease;}
a:hover{color:var(--celadon-dark);}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);color:var(--ink);line-height:1.4;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ---------- topbar ---------- */
.topbar{background:var(--celadon);color:#EAF3F0;font-size:13px;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap;}
.topbar-inner span{opacity:.92;}
.topbar-inner .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brass);margin-right:8px;vertical-align:middle;}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:10px;background:var(--celadon);color:#F4EDE0;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:20px;font-weight:700;letter-spacing:1px;border:1px solid var(--brass);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--font-serif);font-size:19px;color:var(--ink);letter-spacing:.5px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:1px;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-main a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:6px;
  font-size:15px;color:var(--ink-2);transition:color .18s ease,background .18s ease;
}
.nav-main a:hover{color:var(--celadon);background:var(--celadon-soft);}
.nav-main a.active{color:var(--celadon);font-weight:600;}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--celadon);border-radius:2px;
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,84vw);background:var(--surface);z-index:90;
  transform:translateX(100%);transition:transform .26s ease;box-shadow:-8px 0 30px rgba(30,35,32,.16);
  padding:22px;display:flex;flex-direction:column;gap:8px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:12px;}
.drawer-head strong{font-family:var(--font-serif);font-size:17px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:8px;cursor:pointer;font-size:18px;color:var(--ink-2);line-height:1;}
.drawer a.drawer-link{padding:13px 12px;border-radius:8px;color:var(--ink);font-size:16px;border-bottom:1px solid var(--line);}
.drawer a.drawer-link:hover{background:var(--celadon-soft);}
.drawer a.drawer-link.active{color:var(--celadon);font-weight:600;background:var(--celadon-soft);}
.drawer .btn{margin-top:14px;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--celadon);color:#FFFFFF;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--celadon-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:var(--surface);color:var(--celadon);border-color:var(--celadon);}
.btn-ghost:hover{background:var(--celadon-soft);color:var(--celadon-dark);}
.btn-ghost.is-on{background:var(--celadon);color:#FFFFFF;border-color:var(--celadon);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{display:flex;width:100%;}
/* ---------- badge ---------- */
.badge-cat{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 10px;border-radius:4px;
  background:var(--celadon-soft);color:var(--celadon);letter-spacing:.5px;
}
.badge-state{
  display:inline-block;font-size:12px;line-height:1.6;padding:2px 10px;border-radius:4px;
  border:1px solid var(--brass);color:var(--brass);background:transparent;letter-spacing:.5px;
}
/* ---------- crumbs ---------- */
.crumbs-bar{background:var(--surface);border-bottom:1px solid var(--line);padding:14px 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--celadon);}
.crumbs .sep{color:var(--ink-3);}
.crumbs .current{color:var(--celadon);max-width:min(460px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- article head ---------- */
.article-head{
  padding:40px 0 44px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(246,241,231,.94),rgba(241,234,220,.96)),url('/assets/images/22ea8a55e4d8ecf9.webp');
  background-size:cover;background-position:center;
}
.head-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.article-head h1{font-size:36px;line-height:1.35;letter-spacing:.5px;margin-bottom:14px;max-width:900px;}
.head-sub{font-size:15px;color:var(--ink-2);max-width:760px;margin-bottom:22px;}
.head-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);}
.avatar{
  width:34px;height:34px;border-radius:50%;background:var(--celadon-soft);border:1px solid var(--brass);
  color:var(--celadon);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:15px;
}
.meta-strong{color:var(--ink);font-weight:600;font-size:14px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);display:inline-block;}
.head-actions{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap;}
/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;
  padding:52px 0 72px;
}
.col-main{min-width:0;}
.col-side{min-width:0;position:sticky;top:96px;}
/* ---------- summary ---------- */
.summary-card{
  background:var(--celadon-soft);border-radius:var(--radius-card);padding:24px 26px;
  border-left:4px solid var(--celadon);margin-bottom:34px;box-shadow:var(--shadow-1);
}
.summary-card h2{font-size:18px;letter-spacing:.5px;margin-bottom:14px;padding:0;position:static;}
.summary-card h2::before{display:none;}
.summary-card ul{list-style:none;padding:0;}
.summary-card li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2);margin-bottom:8px;line-height:1.75;}
.summary-card li:last-child{margin-bottom:0;}
.summary-card li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--amber);}
/* ---------- article body ---------- */
.article-body{max-width:760px;font-size:16px;line-height:1.8;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{position:relative;padding-left:15px;font-size:22px;margin:38px 0 16px;line-height:1.45;}
.article-body h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--celadon);}
.article-body h3{font-size:18px;margin:28px 0 12px;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.2em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--celadon-soft);
  border-left:3px solid var(--amber);border-radius:0 8px 8px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:10px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--celadon-soft);color:var(--celadon);font-weight:600;}
.article-body a{color:var(--celadon);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--amber);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.empty-state strong{display:block;font-family:var(--font-serif);font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;}
.empty-state .btn{margin-top:8px;}
/* ---------- side ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;margin-bottom:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:17px;margin-bottom:14px;position:relative;padding-left:12px;}
.side-card h3::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--brass);}
.info-list{margin:0;font-size:14px;}
.info-list > div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);}
.info-list > div:last-child{border-bottom:0;}
.info-list dt{color:var(--ink-3);font-weight:400;flex-shrink:0;}
.info-list dd{margin:0;color:var(--ink);text-align:right;word-break:break-all;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud span{
  display:inline-block;font-size:13px;padding:4px 11px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--ink-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.tag-cloud span:hover{background:var(--celadon-soft);color:var(--celadon);border-color:var(--celadon);}
.side-cta p{font-size:14px;color:var(--ink-2);margin-bottom:14px;line-height:1.75;}
/* ---------- section ---------- */
.section{padding:72px 0;}
.section-surface{background:var(--surface);}
.section-soft{background:var(--celadon-soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:26px;font-weight:700;letter-spacing:.3px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--celadon);}
.section-sub{font-size:14px;color:var(--ink-2);max-width:660px;margin-top:8px;padding-left:16px;}
/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;height:100%;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);}
.rel-thumb{position:relative;aspect-ratio:16/9;background:var(--celadon-soft);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body p{font-size:13px;color:var(--ink-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-3);margin-top:auto;}
/* ---------- pager ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px;}
.pager-item{
  display:flex;align-items:center;gap:14px;padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,92,85,.4);color:var(--celadon-dark);}
.pager-item .arrow{
  width:38px;height:38px;flex-shrink:0;border-radius:8px;background:var(--celadon-soft);color:var(--celadon);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.pager-item .pager-text{display:flex;flex-direction:column;gap:4px;min-width:0;}
.pager-item .pager-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:1px;}
.pager-item .pager-text strong{
  font-family:var(--font-serif);font-size:15px;color:var(--ink);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.pager-item.next{flex-direction:row-reverse;text-align:right;}
/* ---------- feedback ---------- */
.feedback{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;margin-top:36px;box-shadow:var(--shadow-1);
}
.feedback p{margin:0;font-size:14px;color:var(--ink-2);max-width:640px;}
.feedback .fb-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- compliance ---------- */
.compliance{
  background:var(--celadon-soft);border-top:1px solid var(--line);padding:22px 0;
}
.compliance p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.8;text-align:center;}
.compliance strong{color:var(--celadon);font-weight:600;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--celadon);color:#DCE8E4;padding:56px 0 0;
  border-top:3px double var(--brass);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:40px;height:40px;border-radius:9px;background:#0B4B45;color:#F4EDE0;border:1px solid var(--brass);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:18px;font-weight:700;
}
.footer-brand strong{font-family:var(--font-serif);font-size:17px;color:#FFFFFF;letter-spacing:.5px;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.74);margin:0;max-width:380px;}
.footer-col h4{font-size:15px;color:#FFFFFF;margin-bottom:14px;letter-spacing:1px;}
.footer-col ul li{font-size:14px;color:rgba(255,255,255,.74);padding:6px 0;}
.footer-col ul li a{color:rgba(255,255,255,.78);font-size:14px;transition:color .18s ease;}
.footer-col ul li a:hover{color:#F0C89A;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.18);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.66);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:#F0C89A;}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .article-head h1{font-size:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .col-side{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:56px 0;}
  .head-actions{margin-left:0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:11px;letter-spacing:.5px;}
  .article-head{padding:30px 0 34px;}
  .article-head h1{font-size:26px;}
  .head-sub{font-size:14px;}
  .article-layout{padding:36px 0 56px;}
  .article-body h2{font-size:20px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager-item.next{flex-direction:row;text-align:left;}
  .feedback{padding:20px;}
  .feedback .fb-actions{width:100%;}
  .feedback .fb-actions .btn{width:100%;}
  .section-title{font-size:22px;}
  .section{padding:44px 0;}
  .crumbs .current{max-width:46vw;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .topbar-inner{font-size:12px;}
  .topbar-inner span:last-child{display:none;}
  .article-head h1{font-size:23px;}
  .summary-card{padding:18px;}
  .side-card{padding:18px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{min-height:46px;}
  .nav-inner{min-height:68px;gap:14px;}
}