/* roulang page: index */
:root{
  --ink:#0F5B4E;
  --ink-deep:#0A3F36;
  --ink-soft:#177A67;
  --amber:#E8893A;
  --amber-soft:#F6D9BD;
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --text:#1D2B27;
  --muted:#5F6F69;
  --line:#E3DDD2;
  --celadon:#E8F2EE;
  --warn:#B5472E;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-hover:0 14px 30px rgba(10,63,54,.10);
  --shadow-float:0 18px 40px rgba(10,63,54,.14);
  --container:1180px;
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--amber)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
:focus-visible{outline:3px solid rgba(232,137,58,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.serif{font-family:var(--font-serif)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(10,63,54,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;flex-direction:column;line-height:1.2;gap:2px}
.brand-main{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--ink-deep);
  letter-spacing:.02em;white-space:nowrap;
}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.16em}
.nav-main{display:flex;align-items:center;gap:26px}
.nav-main a{
  position:relative;font-size:15px;color:var(--text);padding:6px 0;font-weight:500;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-main a:hover{color:var(--ink)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--ink-deep);font-weight:600}
.header-cta{display:inline-flex}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(10,63,54,.42);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:80;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--paper);
  z-index:90;padding:24px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .26s ease;box-shadow:var(--shadow-float);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--ink-deep)}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:22px;line-height:1;color:var(--ink-deep);background:#fff;
}
.drawer-nav{display:flex;flex-direction:column;gap:20px}
.drawer-nav a{font-size:16px;color:var(--text);padding-bottom:8px;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--ink);font-weight:600}
.drawer-cta{width:100%;margin-top:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(10,63,54,.22)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--celadon);color:var(--ink-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink-deep)}
.btn-light:hover{background:var(--amber-soft);color:var(--ink-deep);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- section base ---------- */
.section{padding:84px 0}
.section--white{background:#fff}
.section--paper{background:var(--paper)}
.section--celadon{background:var(--celadon)}
.section--dark{background:var(--ink-deep);color:#fff}
.section-head{margin-bottom:32px;max-width:760px}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;flex-wrap:wrap}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--ink);
  font-weight:700;margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--amber-soft)}
h2.section-title{
  font-family:var(--font-serif);font-size:30px;line-height:1.3;color:var(--ink-deep);
  font-weight:700;letter-spacing:.01em;
}
.section--dark h2.section-title{color:#fff}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85}
.section--dark .section-desc{color:rgba(255,255,255,.78)}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:72px 0 82px;overflow:hidden;
  background-color:var(--paper);
  background-image:linear-gradient(180deg,rgba(250,247,241,.96) 0%,rgba(250,247,241,.90) 55%,rgba(250,247,241,.99) 100%),url('/assets/images/ce70e7aa0672dd45.jpg');
  background-size:cover;background-position:center;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{
  font-family:var(--font-serif);font-size:44px;line-height:1.22;color:var(--ink-deep);
  font-weight:700;letter-spacing:.01em;margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--muted);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:38px;padding-top:26px;border-top:1px solid var(--line);max-width:560px;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.stat-num{
  font-family:var(--font-serif);font-size:27px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:13px;color:var(--muted)}
.flow-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:0 10px 26px rgba(10,63,54,.08);
}
.flow-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  background:var(--amber-soft);color:#8A4A12;font-size:12px;font-weight:700;letter-spacing:.06em;
}
.flow-title{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--ink-deep);
  margin:12px 0 16px;
}
.flow-figure{
  border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--celadon);margin-bottom:18px;
}
.flow-figure img{width:100%;height:100%;object-fit:cover}
.flow-steps{display:flex;flex-direction:column;gap:14px}
.flow-steps li{display:flex;gap:12px;align-items:flex-start}
.step-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--celadon);
  color:var(--ink);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.flow-steps strong{display:block;font-size:15px;color:var(--text);line-height:1.5}
.flow-steps p{font-size:13px;color:var(--muted);line-height:1.6;margin-top:2px}

/* ---------- city grid ---------- */
.city-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.city-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 20px;color:var(--text);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.city-item:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow-hover);color:var(--text)}
.city-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.city-name{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink-deep)}
.city-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.city-desc{font-size:13px;color:var(--muted);margin:8px 0 12px;line-height:1.6}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--pill);
  font-size:12px;font-weight:600;background:var(--celadon);color:var(--ink);white-space:nowrap;
}
.tag-live{background:rgba(232,137,58,.16);color:#A85814}
.tag-wait{background:#F1EEE7;color:var(--muted)}

/* ---------- post grid ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--celadon)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{
  font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-title a{color:var(--text)}
.post-card:hover .post-title a{color:var(--ink)}
.post-summary{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.post-featured{grid-column:span 2}
.post-featured .post-title{font-size:21px}
.post-featured .post-summary{-webkit-line-clamp:2}
.list-foot{display:flex;justify-content:center;margin-top:34px}
.empty-card{
  grid-column:1/-1;border:1px dashed #C9C1B2;border-radius:var(--radius-lg);
  background:#fff;padding:48px 24px;text-align:center;
}
.empty-card strong{display:block;font-family:var(--font-serif);font-size:19px;color:var(--ink-deep);margin-bottom:8px}
.empty-card p{font-size:14px;color:var(--muted);margin-bottom:16px}

/* ---------- type matrix ---------- */
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.type-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px 20px;color:var(--text);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.type-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow-hover);color:var(--text)}
.type-icon{
  width:42px;height:42px;border-radius:12px;background:var(--celadon);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
}
.type-card h3{font-size:16px;font-weight:700;color:var(--ink-deep)}
.type-card p{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- scene ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:24px;color:var(--text);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.scene-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow-hover);color:var(--text)}
.scene-card h3{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--ink-deep)}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.75}
.scene-card span.more{font-size:13px;color:var(--ink);font-weight:600;margin-top:4px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 22px}
.step::after{
  content:"";position:absolute;top:38px;right:-12px;width:24px;height:2px;background:var(--line);
}
.step:last-child::after{display:none}
.step .step-num{width:34px;height:34px;margin-bottom:14px}
.step h3{font-size:16px;font-weight:700;color:var(--ink-deep);margin-bottom:6px}
.step p{font-size:13px;color:var(--muted);line-height:1.7}
.steps-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.steps-cta .hint{font-size:13px;color:var(--muted)}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:36px;align-items:start}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.check-list li{
  display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);
}
.check-list .dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:50%;background:var(--ink);margin-top:9px;
}
.check-list .dot.warn{background:var(--warn)}
.check-list strong{display:block;font-size:15px;color:var(--text);margin-bottom:2px}
.check-list p{font-size:13px;color:var(--muted);line-height:1.7}
.safety-panel{background:var(--celadon);border:1px solid #CFE3DB;border-radius:var(--radius-lg);padding:28px}
.safety-panel h3{font-family:var(--font-serif);font-size:19px;color:var(--ink-deep);margin-bottom:14px}
.safety-panel ul{display:flex;flex-direction:column;gap:12px}
.safety-panel li{
  font-size:14px;color:var(--text);line-height:1.7;padding-left:16px;position:relative;
}
.safety-panel li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.safety-panel .btn{margin-top:22px}

/* ---------- rank list ---------- */
.rank-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.rank-row{
  display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);transition:background .18s ease;
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:var(--celadon)}
.rank-no{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.rank-main a{font-size:16px;font-weight:600;color:var(--text);line-height:1.6}
.rank-row:hover .rank-main a{color:var(--ink)}
.rank-main p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.7}
.rank-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);white-space:nowrap}

/* ---------- forms ---------- */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.join-note{display:flex;flex-direction:column;gap:16px}
.join-note ul{display:flex;flex-direction:column;gap:14px}
.join-note li{
  background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 18px;font-size:14px;color:var(--text);line-height:1.7;
}
.join-note li strong{color:var(--ink-deep);margin-right:6px}
.join-flow{font-size:14px;color:var(--muted);line-height:1.8}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:0 10px 26px rgba(10,63,54,.06)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.req{color:var(--amber)}
input,select,textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,137,58,.35);
}
select{
  appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);
  background-position:calc(100% - 20px) 19px,calc(100% - 14px) 19px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
  padding-right:36px;
}
.help{font-size:13px;color:var(--muted)}
.form-card .btn{margin-top:22px}

/* ---------- feedback ---------- */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;gap:16px}
.quote-card blockquote{font-size:15px;line-height:1.85;color:var(--text)}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--celadon);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;font-size:16px;
}
.quote-user strong{display:block;font-size:14px;color:var(--ink-deep)}
.quote-user span{font-size:12px;color:var(--muted)}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 24px;text-align:left}
.stat-card .big{
  display:block;font-family:var(--font-serif);font-size:40px;font-weight:700;color:var(--ink);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-card .label{display:block;font-size:14px;color:var(--muted);margin-top:8px}

/* ---------- guide cards ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.guide-card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.guide-card h3{font-size:17px;font-weight:700;line-height:1.6}
.guide-card h3 a{color:var(--text)}
.guide-card:hover h3 a{color:var(--ink)}
.guide-card p{font-size:14px;color:var(--muted);line-height:1.75}
.guide-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-top:auto}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:0 22px;transition:background .18s ease,border-color .18s ease}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--ink);font-size:20px;line-height:1;font-weight:400}
.faq-item[open]{background:var(--celadon);border-color:#CBDED6}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--ink)}
.faq-item p{font-size:15px;line-height:1.85;color:var(--muted);padding:0 0 20px}

/* ---------- subscribe ---------- */
.subscribe-wrap{
  background:var(--celadon);border:1px solid #CFE3DB;border-radius:var(--radius-lg);
  padding:36px;display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:center;
}
.subscribe-wrap h2{font-family:var(--font-serif);font-size:26px;color:var(--ink-deep);line-height:1.35}
.subscribe-wrap p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.8}
.subscribe-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end}
.subscribe-form .field label{font-size:13px}
.privacy{grid-column:1/-1;font-size:13px;color:var(--muted)}

/* ---------- final cta ---------- */
.final-cta{position:relative;overflow:hidden;padding:76px 0}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(232,137,58,.18),transparent 45%),radial-gradient(circle at 82% 72%,rgba(23,122,103,.32),transparent 48%);
  pointer-events:none;
}
.final-cta .container{position:relative}
.final-inner{max-width:720px}
.final-cta h2{font-family:var(--font-serif);font-size:32px;line-height:1.3;color:#fff}
.final-cta p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.8);line-height:1.85}
.final-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:#fff;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;gap:36px}
.footer-brand h3{font-family:var(--font-serif);font-size:19px;color:#fff;margin-bottom:12px;line-height:1.5}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.85;margin-bottom:8px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.76)}
.footer-col a:hover{color:var(--amber-soft)}
.footer-col li{font-size:13px;color:rgba(255,255,255,.7);line-height:1.8}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.6);line-height:1.8}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .header-inner{padding:0 20px}
  .hero h1{font-size:40px}
  .type-grid{grid-template-columns:repeat(4,1fr);gap:16px}
}
@media (max-width:1024px){
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:38px}
  .hero-stats{max-width:none}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .post-featured{grid-column:span 2}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .safety-grid{grid-template-columns:1fr}
  .join-grid{grid-template-columns:1fr}
  .feedback-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:1fr}
  .subscribe-wrap{grid-template-columns:1fr;padding:28px}
  .subscribe-form{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  h2.section-title{font-size:26px}
  .type-grid{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .rank-meta{grid-column:2;justify-content:flex-start}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .hero{padding:52px 0 60px}
  .hero h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:15px}
  h2.section-title{font-size:24px}
  .final-cta h2{font-size:24px}
  .post-grid{grid-template-columns:1fr}
  .post-featured{grid-column:span 1}
  .post-featured .post-title{font-size:18px}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .type-grid{grid-template-columns:1fr}
  .brand-main{font-size:16px;white-space:normal}
  .brand-sub{font-size:11px}
  .hero-actions .btn,.final-actions .btn{width:100%}
  .form-grid{grid-template-columns:1fr}
  .subscribe-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  body{font-size:15px}
  .container{padding:0 16px}
  .header-inner{padding:0 16px;height:66px}
  .hero h1{font-size:27px}
  .stat-num{font-size:23px}
  .stat-card .big{font-size:32px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .form-card{padding:20px}
  .subscribe-wrap{padding:22px}
}

/* roulang page: article */
:root{
  --ink:#0F5B4E;
  --ink-deep:#0A3F36;
  --ink-soft:#177A67;
  --amber:#E8893A;
  --amber-soft:#F6D9BD;
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --text:#1D2B27;
  --muted:#5F6F69;
  --line:#E3DDD2;
  --celadon:#E8F2EE;
  --warn:#B5472E;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-hover:0 14px 30px rgba(10,63,54,.10);
  --shadow-float:0 18px 40px rgba(10,63,54,.14);
  --container:1180px;
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.1em}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--amber)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(232,137,58,.45);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(10,63,54,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;flex-direction:column;line-height:1.2;gap:2px}
.brand-main{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--ink-deep);
  letter-spacing:.02em;white-space:nowrap;
}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.16em}
.nav-main{display:flex;align-items:center;gap:26px}
.nav-main a{position:relative;font-size:15px;color:var(--text);padding:6px 0;font-weight:500}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-main a:hover{color:var(--ink)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--ink-deep);font-weight:600}
.header-cta{display:inline-flex}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(10,63,54,.42);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:80;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--paper);
  z-index:90;padding:24px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .26s ease;box-shadow:var(--shadow-float);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--ink-deep)}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:22px;line-height:1;color:var(--ink-deep);background:#fff;
}
.drawer-nav{display:flex;flex-direction:column;gap:20px}
.drawer-nav a{font-size:16px;color:var(--text);padding-bottom:8px;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--ink);font-weight:600}
.drawer-cta{width:100%;margin-top:auto}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(10,63,54,.22)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--celadon);color:var(--ink-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink-deep)}
.btn-light:hover{background:var(--amber-soft);color:var(--ink-deep);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* section base */
.section{padding:84px 0}
.section--white{background:#fff}
.section--paper{background:var(--paper)}
.section--celadon{background:var(--celadon)}
.section--dark{background:var(--ink-deep);color:#fff}
.section-head{margin-bottom:32px;max-width:760px}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;flex-wrap:wrap}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--ink);font-weight:700;margin-bottom:12px}
.section--dark .eyebrow{color:var(--amber-soft)}
.section-title{font-family:var(--font-serif);font-size:30px;line-height:1.3;color:var(--ink-deep);font-weight:700;letter-spacing:.01em}
.section--dark .section-title{color:#fff}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85}
.section--dark .section-desc{color:rgba(255,255,255,.78)}

/* breadcrumb + article head */
.crumb-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:#B9B2A5}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .current{color:var(--ink-deep);font-weight:600}

.article-hero{padding:44px 0 0;background:var(--paper)}
.article-channel{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--ink);letter-spacing:.1em;margin-bottom:16px;
}
.article-channel::before{content:"";width:22px;height:2px;background:var(--amber);display:block}
.article-hero h1{
  font-family:var(--font-serif);
  font-size:42px;line-height:1.25;color:var(--ink-deep);font-weight:700;letter-spacing:.01em;
  max-width:900px;
}
.article-lead{
  margin-top:18px;max-width:820px;font-size:17px;line-height:1.9;color:var(--muted);
}
.article-meta{
  margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-bottom:26px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.meta-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--celadon);color:var(--ink-deep);font-weight:600;
  padding:5px 12px;border-radius:var(--pill);font-size:12.5px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9C2B5}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-label{font-size:12.5px;color:var(--muted)}
.share-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink-deep);font-weight:700;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.share-btn:hover{background:var(--celadon);border-color:var(--ink);color:var(--ink-deep);transform:translateY(-1px)}

/* article layout */
.article-wrap{padding:48px 0 84px;background:var(--paper)}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:48px;align-items:start}
.article-main{min-width:0}
.article-cover{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;margin-bottom:30px;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{
  padding:12px 18px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);background:#fff;
}

.key-points{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--ink);
  border-radius:var(--radius-md);padding:24px 26px;margin-bottom:32px;
  box-shadow:0 6px 18px rgba(10,63,54,.05);
}
.key-points h2{
  font-family:var(--font-serif);font-size:19px;color:var(--ink-deep);font-weight:700;
  margin-bottom:14px;letter-spacing:.01em;
}
.key-points ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.key-points li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--text);
}
.key-points li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--amber);opacity:.85;
}

.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 38px;font-size:17px;line-height:1.9;color:var(--text);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:18px 0}
.article-body h2{
  font-family:var(--font-serif);font-size:24px;line-height:1.4;color:var(--ink-deep);
  font-weight:700;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--amber);
}
.article-body h3{font-family:var(--font-serif);font-size:19px;line-height:1.5;color:var(--ink-deep);font-weight:700;margin:26px 0 10px}
.article-body ul,.article-body ol{margin:16px 0;padding-left:22px}
.article-body li{margin:8px 0}
.article-body a{color:var(--ink);border-bottom:1px solid rgba(15,91,78,.35)}
.article-body a:hover{color:var(--amber);border-bottom-color:var(--amber)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--celadon);
  border-left:4px solid var(--amber);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-deep);font-size:16px;
}
.article-body blockquote p{margin:6px 0}
.article-body figure{margin:26px 0}
.article-body figure img{border-radius:12px;border:1px solid var(--line)}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
}
.article-body thead th{background:var(--celadon);color:var(--ink-deep);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body tbody tr:hover{background:#FBF8F2}
.article-body .table-scroll{overflow-x:auto}

.step-cta{
  margin-top:32px;background:var(--celadon);border:1px solid #CFE4DC;border-radius:var(--radius-lg);
  padding:26px 28px;
}
.step-cta h3{font-family:var(--font-serif);font-size:20px;color:var(--ink-deep);font-weight:700;margin-bottom:14px}
.step-cta ol{list-style:none;counter-reset:s;padding:0;margin:0 0 18px;display:grid;gap:10px}
.step-cta li{
  counter-increment:s;position:relative;padding-left:34px;font-size:15px;line-height:1.8;color:var(--text);
}
.step-cta li::before{
  content:counter(s);position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--ink);color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

.notice-empty{
  background:#fff;border:1px dashed #CFC7B8;border-radius:var(--radius-lg);
  padding:48px 28px;text-align:center;
}
.notice-empty .notice-icon{
  width:54px;height:54px;border-radius:50%;background:var(--celadon);color:var(--ink);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:700;
}
.notice-empty h2{font-family:var(--font-serif);font-size:22px;color:var(--ink-deep);margin-bottom:10px}
.notice-empty p{font-size:15px;color:var(--muted);margin-bottom:20px}

/* sidebar */
.article-side{display:grid;gap:22px;position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.side-card:hover{border-color:var(--ink);box-shadow:var(--shadow-hover)}
.side-card h3{font-family:var(--font-serif);font-size:17px;color:var(--ink-deep);margin-bottom:12px;font-weight:700}
.side-card p{font-size:14px;line-height:1.85;color:var(--muted)}
.side-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.side-list li{font-size:14px;color:var(--text);padding-left:16px;position:relative;line-height:1.75}
.side-list li::before{
  content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:50%;background:var(--ink);
}
.side-card--dark{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff}
.side-card--dark h3{color:#fff}
.side-card--dark p{color:rgba(255,255,255,.78)}
.side-card--dark .side-list li{color:rgba(255,255,255,.92)}
.side-card--dark .side-list li::before{background:var(--amber)}
.side-card--dark .btn{margin-top:16px}

/* related */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:var(--shadow-hover)}
.rel-badge{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--ink-deep);
  background:var(--celadon);border-radius:var(--pill);padding:4px 12px;
}
.rel-card h3{
  font-family:var(--font-serif);font-size:18px;line-height:1.5;color:var(--ink-deep);font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card p{
  font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{font-size:12.5px;color:#8A968F;margin-top:auto;font-variant-numeric:tabular-nums}
.rel-link{font-size:14px;font-weight:600;color:var(--ink)}
.rel-card:hover .rel-link{color:var(--amber)}

/* prev next */
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch;
}
.pager-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;
  display:flex;flex-direction:column;gap:8px;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.pager-item:hover{border-color:var(--ink);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.pager-item .pager-label{font-size:12.5px;color:var(--muted);letter-spacing:.08em}
.pager-item .pager-title{
  font-family:var(--font-serif);font-size:17px;color:var(--ink-deep);font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager-item.is-next{text-align:right;align-items:flex-end}
.pager-back{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
  margin-top:20px;
}
.pager-back:hover{color:var(--amber)}

/* cta */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink-deep);color:#fff;padding:52px 48px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 12%,rgba(232,137,58,.22),transparent 42%);
}
.cta-band-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-family:var(--font-serif);font-size:28px;line-height:1.35;color:#fff;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--ink-deep);color:#fff;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand h3{font-family:var(--font-serif);font-size:19px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-col a{color:rgba(255,255,255,.82);font-size:14px}
.footer-col a:hover{color:var(--amber-soft)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.6);line-height:1.7;max-width:760px}

/* responsive */
@media (max-width:1199px){
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .brand-main{font-size:18px;white-space:normal}
  .article-hero h1{font-size:34px}
  .section{padding:64px 0}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .article-hero{padding:32px 0 0}
  .article-hero h1{font-size:30px;line-height:1.35}
  .article-lead{font-size:16px}
  .article-wrap{padding:32px 0 56px}
  .article-body{padding:24px 20px;font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .key-points{padding:20px}
  .step-cta{padding:22px 20px}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .pager{grid-template-columns:1fr}
  .pager-item.is-next{text-align:left;align-items:flex-start}
  .cta-band{padding:34px 24px}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .article-side{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .share-group{margin-left:0;width:100%}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .header-inner{padding:0 18px}
  .brand-sub{letter-spacing:.1em}
  .article-meta{gap:8px 12px;font-size:12.5px}
  .btn{width:100%}
  .step-cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#0F5B4E;
  --ink-deep:#0A3F36;
  --ink-soft:#177A67;
  --amber:#E8893A;
  --amber-soft:#F6D9BD;
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --text:#1D2B27;
  --muted:#5F6F69;
  --line:#E3DDD2;
  --celadon:#E8F2EE;
  --warn:#B5472E;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-hover:0 14px 30px rgba(10,63,54,.10);
  --shadow-float:0 18px 40px rgba(10,63,54,.14);
  --container:1180px;
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",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(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--amber)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(232,137,58,.45);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(10,63,54,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;flex-direction:column;line-height:1.2;gap:2px}
.brand-main{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--ink-deep);
  letter-spacing:.02em;white-space:nowrap;
}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.16em}
.nav-main{display:flex;align-items:center;gap:26px}
.nav-main a{position:relative;font-size:15px;color:var(--text);padding:6px 0;font-weight:500}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-main a:hover{color:var(--ink)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--ink-deep);font-weight:600}
.header-cta{display:inline-flex}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(10,63,54,.42);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:80;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--paper);
  z-index:90;padding:24px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .26s ease;box-shadow:var(--shadow-float);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--ink-deep)}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:22px;line-height:1;color:var(--ink-deep);background:#fff;
}
.drawer-nav{display:flex;flex-direction:column;gap:20px}
.drawer-nav a{font-size:16px;color:var(--text);padding-bottom:8px;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--ink);font-weight:600}
.drawer-cta{width:100%;margin-top:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(10,63,54,.22)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--celadon);color:var(--ink-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink-deep)}
.btn-light:hover{background:var(--amber-soft);color:var(--ink-deep);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- section base ---------- */
.section{padding:84px 0}
.section--white{background:#fff}
.section--paper{background:var(--paper)}
.section--celadon{background:var(--celadon)}
.section--dark{background:var(--ink-deep);color:#fff}
.section-head{margin-bottom:32px;max-width:760px}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;flex-wrap:wrap}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--ink);font-weight:700;margin:0 0 12px}
.section--dark .eyebrow{color:var(--amber-soft)}
h2.section-title{
  font-family:var(--font-serif);font-size:30px;line-height:1.3;color:var(--ink-deep);
  font-weight:700;letter-spacing:.01em;margin:0;
}
.section--dark h2.section-title{color:#fff}
.section-desc{margin:12px 0 0;font-size:15px;color:var(--muted);line-height:1.85}
.section--dark .section-desc{color:rgba(255,255,255,.78)}
.text-link{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--amber);text-decoration:underline}

/* ---------- 分类横幅 ---------- */
.cat-banner{
  position:relative;overflow:hidden;
  padding:52px 0 48px;
  background-color:var(--celadon);
  background-image:linear-gradient(180deg,rgba(232,242,238,.95) 0%,rgba(232,242,238,.88) 60%,rgba(232,242,238,.98) 100%),url('/assets/images/1dadce2f2cf2f69d.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,91,78,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,91,78,.07) 1px,transparent 1px);
  background-size:58px 58px;
  opacity:.6;
}
.cat-banner-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center}
.cat-banner-core{min-width:0}
h1.cat-title{
  font-family:var(--font-serif);font-size:36px;line-height:1.28;color:var(--ink-deep);
  margin:0 0 14px;letter-spacing:.01em;font-weight:700;
}
.cat-lead{margin:0 0 22px;font-size:15px;color:var(--muted);line-height:1.85;max-width:580px}
.cat-stats{list-style:none;display:flex;flex-wrap:wrap;gap:30px;margin:0;padding:0}
.cat-stats li{display:flex;flex-direction:column;gap:2px}
.cat-stats strong{font-family:var(--font-serif);font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.cat-stats span{font-size:13px;color:var(--muted)}
.cat-summary{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:0 12px 28px rgba(10,63,54,.07);
}
.cat-summary h2{font-family:var(--font-serif);font-size:17px;color:var(--ink-deep);margin:0 0 14px}
.cat-summary ul{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:10px}
.cat-summary li{display:flex;gap:10px;font-size:13px;color:var(--muted);border-bottom:1px dashed var(--line);padding-bottom:8px}
.cat-summary li:last-child{border-bottom:0;padding-bottom:0}
.cat-summary li span{flex:0 0 46px;font-weight:700;color:var(--ink)}
.cat-summary li em{font-style:normal;line-height:1.7}
.cat-summary-note{margin:0;font-size:12.5px;color:var(--muted);line-height:1.75;background:var(--celadon);border-radius:var(--radius-sm);padding:10px 12px}

/* ---------- 筛选条 ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);padding:22px 0}
.filter-inner{display:grid;gap:14px}
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-label{font-size:13px;color:var(--muted);letter-spacing:.08em;flex:0 0 52px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  height:34px;padding:0 16px;border-radius:var(--pill);border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--text);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.is-on:hover{color:#fff}
.filter-selects{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-left:62px}
.select-wrap{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.select-wrap select{
  appearance:none;-webkit-appearance:none;
  height:38px;padding:0 34px 0 12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background-color:#fff;color:var(--text);
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 18px) 17px,calc(100% - 13px) 17px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.select-wrap select:hover{border-color:var(--ink)}
.select-wrap select:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,137,58,.28);outline:none}

/* ---------- 收录列表 ---------- */
.list-count{font-size:13px;color:var(--muted);background:var(--celadon);border-radius:var(--pill);padding:6px 16px;white-space:nowrap}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.entry{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 22px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease;
}
.entry:hover{border-color:var(--ink);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.entry-mark{
  width:56px;height:56px;border-radius:14px;background:var(--celadon);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:18px;font-variant-numeric:tabular-nums;
}
.entry-body{min-width:0}
.entry-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;font-size:12.5px;color:var(--muted)}
.badge{display:inline-block;padding:3px 10px;border-radius:var(--pill);background:var(--celadon);color:var(--ink);font-size:12px;font-weight:600;line-height:1.6}
.badge--amber{background:var(--amber-soft);color:#8A4A16}
.entry-body h3{font-size:17px;line-height:1.55;margin:0 0 8px;font-weight:700}
.entry-body h3 a{color:var(--ink-deep)}
.entry-body h3 a:hover{color:var(--ink-soft)}
.entry-body p{
  margin:0 0 12px;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink)}
.entry-link:hover{color:var(--amber);text-decoration:underline}
.list-more{margin-top:30px;display:flex;justify-content:center}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:#fff;padding:40px 24px;text-align:center;color:var(--muted);font-size:14px;
}
.empty-state strong{display:block;font-family:var(--font-serif);font-size:17px;color:var(--ink-deep);margin-bottom:8px}

/* ---------- 分类说明 ---------- */
.guide-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:48px;align-items:center}
.guide-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);
}
.guide-list{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:14px}
.guide-list li{padding-bottom:14px;border-bottom:1px dashed var(--line)}
.guide-list li:last-child{border-bottom:0;padding-bottom:0}
.guide-list strong{display:block;font-size:16px;color:var(--ink-deep);margin-bottom:4px}
.guide-list span{display:block;font-size:14px;color:var(--muted);line-height:1.8}
.guide-note{
  background:var(--celadon);border-left:4px solid var(--amber);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  padding:18px 20px;margin-bottom:18px;
}
.guide-note h3{margin:0 0 8px;font-size:16px;color:var(--ink-deep);font-weight:700}
.guide-note p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 文章卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:var(--shadow-hover)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--celadon)}
.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:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.55;margin:0;font-weight:700}
.post-body h3 a{color:var(--ink-deep)}
.post-body h3 a:hover{color:var(--ink-soft)}
.post-body p{
  margin:0;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:var(--ink-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-deep);
  transition:background .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--ink);line-height:1}
.faq-item summary:hover{color:var(--ink);background:rgba(232,242,238,.5)}
.faq-item[open]{background:#fff;box-shadow:0 10px 24px rgba(10,63,54,.06)}
.faq-item[open] summary{background:var(--celadon);color:var(--ink-deep)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85;margin:0}

/* ---------- 专题标签 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{
  display:inline-flex;align-items:center;padding:9px 20px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-deep);font-weight:500;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.tag-pill:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;background:var(--ink-deep);color:#fff;padding:66px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 18% 24%,rgba(232,137,58,.20),transparent 46%),radial-gradient(circle at 82% 76%,rgba(255,255,255,.10),transparent 50%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-family:var(--font-serif);font-size:28px;line-height:1.35;color:#fff;margin:0 0 10px}
.cta-inner p{margin:0;font-size:15px;color:rgba(255,255,255,.76);max-width:620px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:#fff;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand h3{font-family:var(--font-serif);font-size:19px;margin:0 0 14px;color:#fff;line-height:1.5}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.85;margin:0 0 10px}
.footer-col h4{font-size:14px;margin:0 0 16px;color:#fff;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75}
.footer-col a{color:rgba(255,255,255,.78);font-size:14px}
.footer-col a:hover{color:var(--amber-soft);text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:20px 0 28px;display:grid;gap:8px}
.footer-bottom p{margin:0;font-size:12px;color:rgba(255,255,255,.6);line-height:1.7}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-banner-inner{grid-template-columns:1.3fr 1fr;gap:28px}
  .guide-grid{gap:32px}
}
@media (max-width:1024px){
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .cat-banner-inner{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .filter-selects{margin-left:0}
}
@media (max-width:991px){
  .section{padding:60px 0}
  h1.cat-title{font-size:32px}
  h2.section-title{font-size:26px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .container,.header-inner{padding:0 18px}
  .cat-banner{padding:40px 0 38px}
  h1.cat-title{font-size:27px;line-height:1.35}
  h2.section-title{font-size:23px}
  .cat-stats{gap:20px}
  .cat-stats strong{font-size:19px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .entry{padding:18px;grid-template-columns:46px minmax(0,1fr);gap:14px}
  .entry-mark{width:46px;height:46px;border-radius:12px;font-size:16px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-inner h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;padding-bottom:32px}
  .filter-label{flex:0 0 100%}
}
@media (max-width:480px){
  body{font-size:15px}
  .brand-main{font-size:16px}
  .brand-sub{font-size:11px;letter-spacing:.1em}
  .header-inner{height:64px;gap:12px}
  h1.cat-title{font-size:24px}
  .cat-summary{padding:18px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .btn-block{width:100%}
  .post-body{padding:16px 18px 18px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px;font-size:14px}
}