/* roulang page: index */
:root{
  --ink:#164B3F;
  --ink-deep:#0F2B24;
  --cinnabar:#B54A2E;
  --amber:#D9A441;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --sand:#EFEAE0;
  --text:#1C2320;
  --muted:#5C665F;
  --line:#DED7C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 2px 10px rgba(20,32,28,.06);
  --shadow-md:0 10px 24px rgba(20,32,28,.12);
  --container:1200px;
  --section-pad:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cinnabar);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
  backdrop-filter:saturate(140%) blur(8px);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(20,32,28,.09);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:74px;}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25;flex:0 0 auto;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-deep);letter-spacing:.2px;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.2px;}
.brand:hover{text-decoration:none;}
.brand:hover .brand-name{color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--text);
  padding:26px 0;display:inline-block;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--cinnabar);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);text-decoration:none;}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--ink);color:#fff;border:1px solid var(--ink);}
.btn-primary:hover{background:#0F3A30;color:#fff;text-decoration:none;box-shadow:var(--shadow-sm);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);text-decoration:none;}
.btn-cinnabar{background:var(--cinnabar);border:1px solid var(--cinnabar);color:#fff;}
.btn-cinnabar:hover{background:#9C3E25;border-color:#9C3E25;color:#fff;text-decoration:none;}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);}
.btn-link::after{content:"→";transition:transform .2s ease;display:inline-block;}
.btn-link:hover{color:var(--cinnabar);text-decoration:none;}
.btn-link:hover::after{transform:translateX(4px);}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:#fff;white-space:nowrap;
}
.badge--ok{background:var(--ink);color:#fff;border-color:var(--ink);}
.badge--wait{background:#FBF1DC;color:#8A5B10;border-color:#EBD6A6;}
.badge--exp{background:#F2F2EE;color:#7A8078;border-color:#DCDCD6;}
.badge--cinnabar{background:#FBEDE8;color:var(--cinnabar);border-color:#EFD2C7;}

/* ---------- sections ---------- */
.section{padding:var(--section-pad) 0;}
.section--sand{background:var(--sand);}
.section--white{background:var(--card);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.section-title{
  font-size:26px;font-weight:700;line-height:1.32;letter-spacing:-.3px;
  position:relative;padding-left:16px;color:var(--ink-deep);
}
.section-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--cinnabar);border-radius:2px;
}
.section-desc{color:var(--muted);font-size:14px;margin-top:10px;max-width:660px;padding-left:16px;}
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:url('/assets/images/4544e1fd5bc67efb.jpg') center/cover no-repeat;
  padding:96px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(15,43,36,.94) 0%,rgba(15,43,36,.82) 46%,rgba(15,43,36,.46) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1px;
  color:#EBDCC2;border:1px solid rgba(217,164,65,.55);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}
.hero h1{
  font-size:38px;line-height:1.34;font-weight:700;letter-spacing:-.5px;color:#fff;
  text-shadow:0 2px 18px rgba(0,0,0,.18);
}
.hero h1 em{font-style:normal;color:#F0C466;}
.hero-lead{margin-top:18px;font-size:16px;color:rgba(255,255,255,.86);max-width:600px;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.46);}
.hero .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1);}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;}
.hero-tags .badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26);color:#F3EEE2;}
.hero-seal{
  position:absolute;right:6%;bottom:52px;z-index:2;
  width:104px;height:104px;border-radius:50%;
  border:2px solid rgba(217,164,65,.75);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:4px;color:#F0C466;
  background:rgba(15,43,36,.42);
  box-shadow:inset 0 0 0 6px rgba(217,164,65,.16);
}

/* ---------- stats ---------- */
.stat-bar{
  position:relative;z-index:3;margin-top:-46px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  overflow:hidden;
}
.stat-item{padding:26px 24px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:34px;font-weight:700;line-height:1.1;color:var(--ink);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:-1px;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px;letter-spacing:0;color:var(--muted);}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--muted);}
.stat-update{font-size:12.5px;color:var(--muted);margin-top:14px;padding-left:2px;}

/* ---------- news cards ---------- */
.news-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFC6B2;text-decoration:none;}
.news-thumb{aspect-ratio:16/9;background:var(--sand);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink-deep);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:13.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);padding-top:6px;}
.news-foot .arrow{color:var(--cinnabar);font-weight:700;}
.empty-state{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;color:var(--muted);font-size:14px;
}
.empty-state strong{display:block;color:var(--ink-deep);font-size:16px;margin-bottom:6px;}

/* ---------- archive split ---------- */
.split{display:grid;grid-template-columns:320px minmax(0,1fr);gap:44px;align-items:start;}
.split-aside p{color:var(--muted);font-size:14px;margin-top:14px;}
.split-aside .btn{margin-top:22px;}
.file-card{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.file-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFC6B2;text-decoration:none;}
.file-num{
  width:42px;height:42px;border-radius:10px;background:var(--sand);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;flex:0 0 auto;
}
.file-card h3{font-size:15.5px;font-weight:600;color:var(--ink-deep);}
.file-card p{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-sm);
}
.step-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:700;
  color:var(--cinnabar);letter-spacing:1.5px;
}
.step h3{font-size:16px;font-weight:600;margin-top:12px;color:var(--ink-deep);}
.step p{font-size:13.5px;color:var(--muted);margin-top:8px;}

/* ---------- city index ---------- */
.city-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;}
.city-tag{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.city-tag:hover{border-color:var(--ink);color:var(--ink);box-shadow:var(--shadow-sm);}
.city-tag span{font-size:12px;color:var(--muted);white-space:nowrap;}

/* ---------- forum block ---------- */
.forum-wrap{display:grid;grid-template-columns:minmax(0,1fr) 1.35fr;gap:44px;align-items:start;}
.hot-list{display:flex;flex-direction:column;gap:12px;}
.hot-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;
  box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease;
}
.hot-item:hover{border-color:var(--ink);transform:translateX(2px);text-decoration:none;}
.hot-title{font-size:14.5px;font-weight:600;color:var(--ink-deep);line-height:1.55;}
.hot-meta{font-size:12.5px;color:var(--muted);white-space:nowrap;}
.empty-line{font-size:14px;color:var(--muted);padding:18px 0;}

/* ---------- rank ---------- */
.rank-wrap{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;align-items:start;}
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto auto;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;
  box-shadow:var(--shadow-sm);
}
.rank-no{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:26px;font-weight:700;
  color:var(--amber);line-height:1;letter-spacing:-1px;
}
.rank-name{font-size:14.5px;font-weight:600;color:var(--ink-deep);}
.rank-time{font-size:12.5px;color:var(--muted);}
.rank-side{
  background:var(--ink-deep);color:#fff;border-radius:var(--radius-card);padding:28px 24px;
}
.rank-side h3{font-size:16px;font-weight:600;color:#fff;}
.rank-side .big{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:40px;font-weight:700;
  color:#F0C466;line-height:1.1;margin-top:14px;letter-spacing:-1px;
}
.rank-side p{font-size:13px;color:rgba(255,255,255,.72);margin-top:10px;}

/* ---------- method columns ---------- */
.method-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  border-top:3px solid var(--ink);
}
.method-col:nth-child(2){border-top-color:var(--cinnabar);}
.method-col:nth-child(3){border-top-color:var(--amber);}
.method-col h3{font-size:17px;font-weight:600;color:var(--ink-deep);}
.method-col p{font-size:13.5px;color:var(--muted);margin-top:10px;}

/* ---------- journal ---------- */
.journal-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.journal-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);text-decoration:none;}
.journal-top{display:flex;align-items:center;gap:10px;padding:20px 22px 0;font-size:12.5px;color:var(--muted);}
.avatar{
  width:28px;height:28px;border-radius:50%;background:var(--sand);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.journal-card h3{font-size:16px;font-weight:600;color:var(--ink-deep);padding:10px 22px 0;line-height:1.55;}
.journal-card p{font-size:13.5px;color:var(--muted);padding:8px 22px 22px;}

/* ---------- guide ---------- */
.guide-wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px;align-items:start;}
.guide-list{display:flex;flex-direction:column;gap:14px;}
.guide-list li{
  display:flex;gap:14px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14.5px;
}
.guide-dot{
  width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:2px;
}
.tip-card{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--cinnabar);
  border-radius:12px;padding:26px 24px;box-shadow:var(--shadow-sm);
}
.tip-card h3{font-size:16px;font-weight:600;color:var(--ink-deep);}
.tip-card p{font-size:13.5px;color:var(--muted);margin-top:10px;}

/* ---------- city scroll ---------- */
.city-scroll{
  display:flex;gap:12px;overflow-x:auto;padding:6px 0 16px;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch;
}
.city-pill{
  flex:0 0 auto;display:flex;flex-direction:column;gap:4px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 20px;min-width:168px;transition:border-color .2s ease,box-shadow .2s ease;
}
.city-pill:hover{border-color:var(--ink);box-shadow:var(--shadow-sm);}
.city-pill strong{font-size:14.5px;font-weight:600;color:var(--ink-deep);}
.city-pill span{font-size:12.5px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;align-items:start;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFC6B2;box-shadow:var(--shadow-sm);}
.faq-item summary{
  display:flex;align-items:center;gap:12px;padding:16px 20px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--ink-deep);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.q-mark{
  width:22px;height:22px;border-radius:6px;background:var(--sand);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:0 0 auto;
}
.faq-item summary .plus{margin-left:auto;color:var(--muted);font-size:17px;line-height:1;transition:color .2s ease;}
.faq-item[open] summary .plus{color:var(--cinnabar);}
.faq-body{padding:0 20px 18px 54px;font-size:14px;color:var(--muted);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink-deep);color:#fff;border-radius:18px;padding:48px;
  display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:44px;align-items:start;
}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;line-height:1.35;position:relative;padding-left:16px;}
.cta-band h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--cinnabar);border-radius:2px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:14px;margin-top:16px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(255,255,255,.8);}
.cta-points li{display:flex;gap:10px;align-items:center;}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);flex:0 0 auto;}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:24px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid rgba(255,255,255,.3);border-radius:10px;
  padding:11px 14px;font-size:14px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ink);outline:2px solid var(--amber);outline-offset:1px;
}
.field-hint{font-size:12px;color:rgba(255,255,255,.55);margin-top:8px;}
.cta-form .btn{width:100%;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-size:17px;font-weight:700;color:#fff;letter-spacing:.2px;}
.footer-sub{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:6px;}
.footer-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:16px;line-height:1.8;max-width:320px;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.footer-list li{margin-bottom:10px;font-size:13.5px;}
.footer-list a{color:rgba(255,255,255,.72);}
.footer-list a:hover{color:#F0C466;text-decoration:none;}
.footer-cities{font-size:13.5px;line-height:2;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .hero-seal{right:3%;width:88px;height:88px;font-size:17px;}
  .rank-wrap{grid-template-columns:minmax(0,1fr);}
  .rank-side{display:flex;align-items:center;gap:24px;flex-wrap:wrap;}
  .rank-side .big{margin-top:0;}
}
@media (max-width:992px){
  :root{--section-pad:56px;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .city-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split,.forum-wrap,.guide-wrap{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:36px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero h1{font-size:32px;}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:768px){
  .header-inner{min-height:64px;gap:12px;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;
    display:none;box-shadow:var(--shadow-md);margin-left:0;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--cinnabar);}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .hero{padding:64px 0 58px;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:14.5px;}
  .hero-seal{display:none;}
  .stat-bar{margin-top:-30px;}
  .faq-grid{grid-template-columns:minmax(0,1fr);}
  .rank-row{grid-template-columns:44px minmax(0,1fr);grid-auto-rows:auto;row-gap:8px;}
  .rank-row .badge,.rank-row .rank-time{grid-column:2;}
  .section-head{margin-bottom:24px;}
}
@media (max-width:520px){
  :root{--section-pad:44px;}
  .container{padding:0 16px;}
  .grid-2,.grid-3,.grid-4,.city-grid,.steps{grid-template-columns:minmax(0,1fr);}
  .hero h1{font-size:23px;line-height:1.42;}
  .section-title{font-size:21px;}
  .cta-band{border-radius:14px;padding:26px 20px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;gap:8px;}
  .hero-actions .btn{width:100%;}
  .stat-item{padding:20px 18px;}
  .stat-num{font-size:28px;}
  .file-card{grid-template-columns:auto minmax(0,1fr);}
  .file-card .badge{grid-column:2;justify-self:start;}
}

/* roulang page: article */
:root{
  --ink:#164B3F;
  --ink-deep:#0F2B24;
  --cinnabar:#B54A2E;
  --amber:#D9A441;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --sand:#EFEAE0;
  --text:#1C2320;
  --muted:#5C665F;
  --line:#DED7C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 2px 10px rgba(20,32,28,.06);
  --shadow-md:0 10px 24px rgba(20,32,28,.12);
  --container:1200px;
  --section-pad:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cinnabar);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
  backdrop-filter:saturate(140%) blur(8px);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(20,32,28,.09);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:74px;}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25;flex:0 0 auto;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-deep);letter-spacing:.2px;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.2px;}
.brand:hover{text-decoration:none;}
.brand:hover .brand-name{color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--text);
  padding:26px 0;display:inline-block;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--cinnabar);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);text-decoration:none;}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-cta{display:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--ink);color:#fff;border:1px solid var(--ink);}
.btn-primary:hover{background:#0F3A30;color:#fff;text-decoration:none;box-shadow:var(--shadow-sm);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);text-decoration:none;}
.btn-cinnabar{background:var(--cinnabar);border:1px solid var(--cinnabar);color:#fff;}
.btn-cinnabar:hover{background:#9C3E25;border-color:#9C3E25;color:#fff;text-decoration:none;}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);}
.btn-link::after{content:"→";transition:transform .2s ease;display:inline-block;}
.btn-link:hover{color:var(--cinnabar);text-decoration:none;}
.btn-link:hover::after{transform:translateX(4px);}
/* badges */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:#fff;white-space:nowrap;
}
.badge--ok{background:var(--ink);color:#fff;border-color:var(--ink);}
.badge--wait{background:#FBF1DC;color:#8A5B10;border-color:#EBD6A6;}
.badge--exp{background:#F2F2EE;color:#7A8078;border-color:#DCDCD6;}
.badge--cinnabar{background:#FBEDE8;color:var(--cinnabar);border-color:#EFD2C7;}
/* sections */
.section{padding:var(--section-pad) 0;}
.section--sand{background:var(--sand);}
.section--white{background:var(--card);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.section-title{
  font-size:26px;font-weight:700;line-height:1.32;letter-spacing:-.3px;
  position:relative;padding-left:16px;color:var(--ink-deep);margin:0;
}
.section-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--cinnabar);border-radius:2px;
}
.section-desc{color:var(--muted);font-size:14px;margin:10px 0 0;max-width:660px;padding-left:16px;}
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
/* breadcrumb band */
.page-band{background:var(--sand);border-bottom:1px solid var(--line);padding:22px 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0;}
.breadcrumb a{color:var(--ink);font-weight:500;}
.breadcrumb .sep{color:#B6B0A2;}
.breadcrumb .current{color:var(--muted);max-width:640px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.band-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;}
/* article head */
.article-wrap{padding:44px 0 64px;}
.article-head-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:32px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:start;
}
.article-h1{
  font-size:32px;line-height:1.38;font-weight:700;letter-spacing:-.5px;
  color:var(--ink-deep);margin:0 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;font-size:13.5px;color:var(--muted);}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item strong{color:var(--text);font-weight:600;}
.meta-divider{width:1px;height:14px;background:var(--line);}
.article-share{display:flex;flex-direction:column;gap:8px;min-width:96px;}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 12px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;color:var(--ink);background:#fff;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.share-btn:hover{border-color:var(--ink);color:var(--ink);background:#F4F1E8;text-decoration:none;}
/* body */
.article-body-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:38px 40px;margin-top:26px;
}
.lead-figure{margin:0 0 30px;}
.lead-figure img{width:100%;border-radius:12px;object-fit:cover;aspect-ratio:16/8;}
.lead-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}
.article-content{max-width:740px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;padding-left:16px;font-size:24px;line-height:1.4;font-weight:700;
  color:var(--ink-deep);margin:2em 0 .8em;letter-spacing:-.3px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--cinnabar);border-radius:2px;
}
.article-content h3{font-size:19px;font-weight:600;color:var(--ink-deep);margin:1.6em 0 .6em;}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-content li{margin:.4em 0;}
.article-content blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--sand);
  border-left:4px solid var(--ink);border-radius:0 10px 10px 0;color:#2B332E;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:12px;margin:1.4em auto;max-width:100%;height:auto;}
.article-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-content th{background:var(--sand);color:var(--ink-deep);font-weight:600;}
.article-content tbody tr:nth-child(even){background:#FAF8F2;}
.article-content a{color:var(--ink);font-weight:600;border-bottom:1px solid #BBD0C8;}
.article-content a:hover{color:var(--cinnabar);border-bottom-color:#E4BFB2;text-decoration:none;}
.empty-state{text-align:center;padding:56px 20px;max-width:520px;margin:0 auto;}
.empty-state h3{font-size:20px;color:var(--ink-deep);margin:0 0 10px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin:0 0 22px;}
/* summary */
.summary-card{
  background:var(--sand);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 30px;margin-top:26px;
}
.summary-card h2{font-size:20px;margin:0 0 16px;color:var(--ink-deep);position:relative;padding-left:14px;}
.summary-card h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:var(--cinnabar);border-radius:2px;}
.summary-list{margin:0;padding:0;list-style:none;display:grid;gap:12px;}
.summary-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:#2B332E;}
.summary-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;
  border-radius:50%;background:var(--ink);box-shadow:0 0 0 3px rgba(22,75,63,.12);
}
.summary-note{margin:18px 0 0;font-size:13px;color:var(--muted);}
/* source */
.source-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.source-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.source-card h3{font-size:16.5px;margin:12px 0 8px;color:var(--ink-deep);}
.source-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}
.source-idx{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;
}
/* related */
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.post-thumb{aspect-ratio:16/9;background:var(--sand);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);}
.post-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-deep);margin:0;}
.post-desc{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0;}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
/* report */
.report-band{background:var(--ink-deep);color:#fff;padding:44px 0;}
.report-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.report-band h2{font-size:22px;margin:0 0 8px;color:#fff;letter-spacing:-.3px;}
.report-band p{margin:0;font-size:14px;color:#C9D4CF;max-width:640px;}
.report-actions{display:flex;gap:12px;flex-wrap:wrap;}
.report-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);}
.report-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
/* pager */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:8px;}
.pager-card{
  display:flex;flex-direction:column;gap:6px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#C9C0AE;text-decoration:none;}
.pager-label{font-size:12.5px;color:var(--muted);letter-spacing:.5px;}
.pager-title{font-size:16px;font-weight:600;color:var(--ink-deep);}
.compliance-line{
  margin-top:28px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--muted);text-align:center;
}
/* footer */
.site-footer{background:var(--ink-deep);color:#CFD9D4;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:36px;}
.footer-logo{font-size:17px;font-weight:700;color:#fff;margin:0 0 6px;}
.footer-sub{font-size:12.5px;color:#9FB4AC;margin:0 0 14px;}
.footer-note{font-size:13px;color:#9FB4AC;line-height:1.8;margin:0;max-width:300px;}
.site-footer h4{font-size:14px;color:#fff;margin:0 0 14px;font-weight:600;letter-spacing:.4px;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-list a{color:#CFD9D4;font-size:13.5px;}
.footer-list a:hover{color:var(--amber);text-decoration:none;}
.footer-cities{font-size:13.5px;color:#9FB4AC;line-height:2;margin:0;}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:12.5px;color:#8FA69E;}
/* responsive */
@media (max-width:1200px){
  .header-inner{gap:18px;}
  .main-nav{gap:18px;}
}
@media (max-width:992px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px 24px 18px;display:none;box-shadow:var(--shadow-md);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:14px 0;border-bottom:1px dashed var(--line);}
  .main-nav a::after{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;height:42px;margin-top:16px;
    background:var(--ink);color:#fff;border-radius:var(--radius-btn);font-size:14px;font-weight:600;
  }
  .nav-cta:hover{color:#fff;text-decoration:none;background:#0F3A30;}
  .brand{margin-right:auto;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-head-card{grid-template-columns:1fr;gap:20px;}
  .article-share{flex-direction:row;flex-wrap:wrap;min-width:0;}
}
@media (max-width:768px){
  :root{--section-pad:44px;}
  .container{padding:0 16px;}
  .article-h1{font-size:25px;}
  .article-body-card{padding:26px 20px;}
  .article-content{font-size:16.5px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .report-inner{flex-direction:column;align-items:flex-start;}
  .breadcrumb .current{white-space:normal;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10.5px;}
  .article-h1{font-size:22px;}
  .section-title{font-size:22px;}
  .btn{width:100%;}
  .report-actions{width:100%;}
  .summary-card{padding:22px 18px;}
}

/* roulang page: category1 */
:root{
  --ink:#164B3F;
  --ink-deep:#0F2B24;
  --cinnabar:#B54A2E;
  --amber:#D9A441;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --sand:#EFEAE0;
  --text:#1C2320;
  --muted:#5C665F;
  --line:#DED7C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 2px 10px rgba(20,32,28,.06);
  --shadow-md:0 10px 24px rgba(20,32,28,.12);
  --container:1200px;
  --section-pad:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cinnabar);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);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:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  backdrop-filter:saturate(140%) blur(8px);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(20,32,28,.09);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:74px;}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.25;flex:0 0 auto;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-deep);letter-spacing:.2px;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.2px;}
.brand:hover{text-decoration:none;}
.brand:hover .brand-name{color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{position:relative;font-size:14.5px;font-weight:500;color:var(--text);padding:26px 0;display:inline-block;}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--cinnabar);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);text-decoration:none;}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--ink);color:#fff;border:1px solid var(--ink);}
.btn-primary:hover{background:#0F3A30;color:#fff;text-decoration:none;box-shadow:var(--shadow-sm);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);text-decoration:none;}
.btn-cinnabar{background:var(--cinnabar);border:1px solid var(--cinnabar);color:#fff;}
.btn-cinnabar:hover{background:#9C3E25;border-color:#9C3E25;color:#fff;text-decoration:none;}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);}
.btn-link::after{content:"→";display:inline-block;transition:transform .2s ease;}
.btn-link:hover{color:var(--cinnabar);text-decoration:none;}
.btn-link:hover::after{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:#fff;white-space:nowrap;
}
.badge--ok{background:var(--ink);color:#fff;border-color:var(--ink);}
.badge--wait{background:#FBF1DC;color:#8A5B10;border-color:#EBD6A6;}
.badge--exp{background:#F2F2EE;color:#7A8078;border-color:#DCDCD6;}
.badge--cinnabar{background:#FBEDE8;color:var(--cinnabar);border-color:#EFD2C7;}

/* ---------- sections ---------- */
.section{padding:var(--section-pad) 0;}
.section--sand{background:var(--sand);}
.section--white{background:var(--card);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.section-title{
  font-size:26px;font-weight:700;line-height:1.32;letter-spacing:-.3px;
  position:relative;padding-left:16px;color:var(--ink-deep);
}
.section-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--cinnabar);border-radius:2px;
}
.section-desc{color:var(--muted);font-size:14px;margin-top:10px;max-width:680px;padding-left:16px;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:var(--card);
  border-bottom:1px solid var(--line);padding:34px 0 42px;
}
.cat-hero::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink) 55%,var(--cinnabar) 55%,var(--cinnabar) 100%);
  opacity:.9;
}
.cat-hero::after{
  content:"";position:absolute;right:-70px;top:-90px;width:330px;height:330px;
  border:1px solid var(--line);border-radius:50%;pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--cinnabar);}
.breadcrumb span.sep{color:#B9B1A1;}
.breadcrumb .current{color:#8A928B;}
.cat-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.6px;
  color:var(--ink);background:#EDF3F0;border:1px solid #D3E2DB;border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.cat-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cinnabar);}
.cat-title{
  font-size:34px;line-height:1.34;font-weight:700;letter-spacing:-.5px;
  color:var(--ink-deep);max-width:820px;
}
.cat-desc{color:var(--muted);font-size:14.5px;max-width:780px;margin-top:14px;}
.cat-stats{display:flex;align-items:center;gap:12px;margin-top:24px;flex-wrap:wrap;}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:13px;color:var(--muted);
}
.stat-pill strong{font-size:18px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1;}
.stat-pill em{font-style:normal;color:var(--cinnabar);font-weight:600;}
.seal{
  position:absolute;right:64px;bottom:40px;width:96px;height:96px;border-radius:50%;
  border:2px solid var(--cinnabar);color:var(--cinnabar);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:6px;text-indent:6px;
  transform:rotate(-9deg);opacity:.62;z-index:2;
}
.seal::before{content:"";position:absolute;inset:6px;border:1px solid rgba(181,74,46,.55);border-radius:50%;}

/* ---------- filter bar ---------- */
.filter-bar{
  position:sticky;top:74px;z-index:40;
  background:rgba(247,244,236,.96);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  box-shadow:0 2px 8px rgba(20,32,28,.04);
}
.filter-inner{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:14px 0;}
.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-label{font-size:12.5px;color:var(--muted);letter-spacing:.4px;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--muted);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);text-decoration:none;}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
.result-count{margin-left:auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- archive grid ---------- */
.archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFC6B4;}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--sand);position:relative;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-stamp{
  position:absolute;left:14px;top:14px;
  background:rgba(15,43,36,.86);color:#fff;font-size:11.5px;letter-spacing:.5px;
  border-radius:999px;padding:5px 10px;border:1px solid rgba(217,164,65,.5);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.post-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink-deep);}
.post-title a{
  color:var(--ink-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-title a:hover{color:var(--cinnabar);}
.post-excerpt{
  font-size:13.8px;color:var(--muted);line-height:1.75;min-height:44px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px dashed var(--line);
}
.post-link{font-size:13.5px;font-weight:600;color:var(--ink);}
.post-link::after{content:"→";margin-left:4px;transition:margin-left .2s ease;}
.post-link:hover{color:var(--cinnabar);text-decoration:none;}
.post-link:hover::after{margin-left:8px;}
.list-more{display:flex;justify-content:center;margin-top:36px;}

/* ---------- empty state ---------- */
.empty-state{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--radius-card);padding:54px 24px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
  color:var(--ink);font-size:20px;font-weight:700;background:var(--paper);
}
.empty-state h3{font-size:17px;color:var(--ink-deep);margin-bottom:8px;}
.empty-state p{font-size:13.8px;color:var(--muted);margin-bottom:20px;}

/* ---------- key points ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.point{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease;
}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.point-num{
  flex:0 0 auto;width:36px;height:36px;border-radius:8px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.point h3{font-size:16px;color:var(--ink-deep);margin-bottom:6px;font-weight:600;}
.point p{font-size:13.8px;color:var(--muted);line-height:1.78;}

/* ---------- info cards ---------- */
.info-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;position:relative;overflow:hidden;
}
.info-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--amber);
}
.info-card h3{font-size:15.5px;color:var(--ink-deep);font-weight:600;margin-bottom:10px;}
.info-card p{font-size:13.8px;color:var(--muted);line-height:1.8;}
.info-card .info-tag{
  display:inline-block;font-size:11.5px;letter-spacing:.5px;color:var(--cinnabar);
  margin-bottom:8px;
}

/* ---------- topics ---------- */
.topic-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.topic-item{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-sm);
}
.topic-no{
  flex:0 0 auto;width:34px;height:34px;border-radius:8px;background:var(--sand);
  color:var(--ink);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;font-variant-numeric:tabular-nums;
}
.topic-item h3{font-size:15.5px;color:var(--ink-deep);margin-bottom:6px;font-weight:600;}
.topic-item p{font-size:13.5px;color:var(--muted);line-height:1.78;}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start;}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFC6B4;box-shadow:var(--shadow-sm);}
.faq-item summary{
  display:flex;align-items:center;gap:12px;padding:16px 18px;cursor:pointer;
  font-weight:600;font-size:14.5px;color:var(--ink-deep);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{
  flex:0 0 auto;width:24px;height:24px;border-radius:6px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.faq-item summary::after{content:"+";margin-left:auto;color:var(--cinnabar);font-size:18px;font-weight:600;line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 18px 18px 54px;font-size:13.8px;color:var(--muted);line-height:1.82;}

/* ---------- cta strip ---------- */
.cta-strip{background:var(--ink-deep);color:#fff;padding:46px 0;position:relative;overflow:hidden;}
.cta-strip::after{
  content:"";position:absolute;right:-60px;bottom:-120px;width:280px;height:280px;
  border:1px solid rgba(217,164,65,.28);border-radius:50%;pointer-events:none;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-strip h2{
  font-size:24px;font-weight:700;color:#fff;position:relative;padding-left:16px;line-height:1.4;
}
.cta-strip h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:var(--cinnabar);border-radius:2px;
}
.cta-strip p{color:#C9D3CE;font-size:14px;margin-top:10px;padding-left:16px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;}
.cta-actions .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:#C9D3CE;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1fr;gap:32px;}
.footer-logo{color:#fff;font-weight:700;font-size:16px;letter-spacing:.2px;}
.footer-sub{font-size:12.5px;color:#9FB1AA;margin-top:6px;}
.footer-note{font-size:13px;color:#93A49D;margin-top:14px;line-height:1.85;}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:600;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:#C9D3CE;font-size:13.5px;}
.footer-list a:hover{color:var(--amber);text-decoration:none;}
.footer-cities{font-size:13.5px;line-height:2;color:#9FB1AA;}
.site-footer a{color:#C9D3CE;}
.site-footer a:hover{color:var(--amber);text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#839690;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .seal{right:32px;}
}
@media (max-width:1024px){
  .archive-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .info-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .topic-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .cat-title{font-size:30px;}
}
@media (max-width:992px){
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 18px;display:none;box-shadow:var(--shadow-md);margin-left:0;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:14px 0;border-bottom:1px dashed var(--line);}
  .main-nav a::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .header-inner{min-height:66px;gap:16px;}
  .filter-bar{top:66px;}
  .seal{display:none;}
  .cat-hero{padding:26px 0 34px;}
  .points-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
  :root{--section-pad:44px;}
  .container{padding:0 16px;}
  .header-inner{min-height:64px;}
  .filter-bar{top:64px;}
  .brand-sub{display:none;}
  .brand-name{font-size:15.5px;}
  .cat-title{font-size:26px;letter-spacing:-.3px;}
  .cat-desc{font-size:14px;}
  .cat-stats{gap:8px;}
  .stat-pill{padding:8px 12px;font-size:12.5px;}
  .stat-pill strong{font-size:16px;}
  .archive-grid{grid-template-columns:1fr;}
  .info-cards{grid-template-columns:1fr;}
  .topic-list{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
  .filter-inner{gap:12px;padding:12px 0;}
  .result-count{margin-left:0;width:100%;text-align:left;font-size:12.5px;}
  .cta-inner{align-items:flex-start;}
  .cta-strip h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .cat-title{font-size:23px;}
  .post-body{padding:16px 16px 18px;}
  .post-title{font-size:16.5px;}
  .point{padding:18px;}
  .info-card{padding:20px;}
  .topic-item{padding:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item p{padding-left:18px;}
  .seal{display:none;}
}