/* roulang page: index */
:root{
  --bg-paper:#F5F1E6;
  --bg-paper-2:#ECE7DA;
  --surface:#FFFDF7;
  --ink:#111613;
  --ink-2:#1D2721;
  --muted:#657067;
  --primary:#C8F45B;
  --primary-ink:#16200F;
  --secondary:#FF7146;
  --border:rgba(17,22,19,.12);
  --border-strong:rgba(17,22,19,.24);
  --shadow-sm:0 4px 16px rgba(17,22,19,.06);
  --shadow-md:0 18px 40px rgba(17,22,19,.12);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --container:1200px;
  --read:760px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-read{max-width:var(--read);}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg-paper);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--ink);color:var(--primary);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;letter-spacing:.5px;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.2px;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.4px;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  position:relative;padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav a:hover{background:var(--bg-paper-2);}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1);}
.nav a.is-active{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:10px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 20px rgba(200,244,91,.32);}
.btn-primary:hover{background:var(--secondary);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,113,70,.3);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--surface);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#F3F6EF;border-color:rgba(243,246,239,.42);}
.btn-ghost-light:hover{background:rgba(243,246,239,.14);transform:translateY(-2px);}
.btn-sm{padding:10px 16px;font-size:14px;border-radius:12px;}
.btn:active{transform:translateY(1px);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--primary);padding-bottom:3px;
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(5px);}
.node-line{
  height:1px;border:0;margin:0;
  background-image:linear-gradient(to right,var(--border-strong) 0 8px,transparent 8px 16px);
  background-size:16px 1px;background-repeat:repeat-x;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border-strong);background:transparent;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#F3F6EF;
  padding:76px 0 84px;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;
  filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 78% 26%,rgba(200,244,91,.16),transparent 52%),
    linear-gradient(180deg,rgba(17,22,19,.72) 0%,rgba(17,22,19,.9) 100%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.8px;
  color:var(--primary);text-transform:none;
  margin-bottom:20px;
}
.eyebrow .dot{
  width:8px;height:8px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(200,244,91,.18);
}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,3.5rem);
  font-weight:800;line-height:1.16;letter-spacing:-.5px;
  max-width:660px;
}
.hero-lead{
  margin-top:22px;max-width:600px;
  font-size:16.5px;line-height:1.85;color:rgba(243,246,239,.78);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
.hero-tags li{
  padding:7px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(243,246,239,.28);
  font-size:13px;font-weight:600;color:rgba(243,246,239,.9);
  background:rgba(243,246,239,.05);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-visual{position:relative;display:grid;gap:18px;padding-left:26px;}
.hero-visual::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:1px;
  background-image:linear-gradient(to bottom,var(--primary) 0 9px,transparent 9px 20px);
  background-size:1px 20px;opacity:.6;
}
.route-float{
  background:var(--surface);color:var(--ink);
  border-radius:var(--radius-lg);padding:22px 24px;
  border:1px solid rgba(255,253,247,.5);
  box-shadow:var(--shadow-md);
  position:relative;
}
.route-float-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  background:var(--bg-paper-2);color:var(--ink-2);
  font-size:12px;font-weight:700;letter-spacing:.2px;
}
.badge-lime{background:rgba(200,244,91,.32);border:1px solid rgba(22,32,15,.16);color:var(--primary-ink);}
.badge-orange{background:rgba(255,113,70,.16);color:#B23F1C;}
.route-dist{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:22px;letter-spacing:-.4px;
}
.route-float h3{font-size:19px;font-weight:800;margin-top:14px;}
.route-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.route-meta li{
  font-size:12.5px;font-weight:600;color:var(--muted);
  padding:4px 10px;border-radius:var(--radius-pill);
  border:1px dashed var(--border-strong);
  font-variant-numeric:tabular-nums;
}
.route-track{
  margin-top:18px;height:34px;position:relative;
  border-bottom:2px dashed rgba(17,22,19,.2);
  border-radius:0 0 18px 0;
}
.route-track i{
  position:absolute;bottom:-6px;width:10px;height:10px;border-radius:50%;
  background:var(--primary);border:2px solid var(--ink);
}
.route-track i:nth-child(1){left:0;}
.route-track i:nth-child(2){left:34%;background:var(--surface);}
.route-track i:nth-child(3){left:68%;background:var(--surface);}
.route-track i:nth-child(4){right:0;background:var(--secondary);border-color:var(--ink);}
.app-card{
  background:rgba(255,253,247,.08);
  border:1px solid rgba(243,246,239,.24);
  border-radius:var(--radius-lg);padding:20px 24px;
  backdrop-filter:none;
}
.app-card-top{
  display:flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;color:rgba(243,246,239,.9);letter-spacing:.4px;
}
.app-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);}
.app-list{margin-top:14px;display:grid;gap:10px;}
.app-list li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(243,246,239,.82);
  padding-bottom:10px;border-bottom:1px dashed rgba(243,246,239,.16);
}
.app-list li:last-child{border-bottom:0;padding-bottom:0;}
.app-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--secondary);flex-shrink:0;
}

/* ============ section base ============ */
.section{padding:96px 0;}
.section-paper{background:var(--bg-paper);}
.section-paper-2{background:var(--bg-paper-2);}
.section-ink{background:var(--ink);color:#EFF3EA;}
.section-ink .section-title,.section-ink h2,.section-ink h3{color:#F5F8F0;}
.section-ink .section-desc{color:rgba(239,243,234,.72);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.row{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;max-width:none;flex-wrap:wrap;
}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:1.4px;
  color:var(--muted);margin-bottom:14px;
}
.section-kicker::before{
  content:"";width:22px;height:3px;border-radius:2px;background:var(--primary);
}
.section-ink .section-kicker{color:rgba(200,244,91,.86);}
.section-title{
  font-size:clamp(1.65rem,2.6vw,2.35rem);
  font-weight:800;line-height:1.24;letter-spacing:-.4px;
}
.section-desc{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:66ch;}

/* ============ quick entries ============ */
.quick-grid{
  display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:16px;
}
.quick-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:26px 22px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  min-height:190px;
}
.quick-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.quick-num{
  font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.quick-card h3{font-size:18px;font-weight:800;line-height:1.35;}
.quick-card p{font-size:13.5px;color:var(--muted);line-height:1.75;flex:1;}
.quick-card .arrow{font-weight:800;color:var(--secondary);transition:transform .2s ease;}
.quick-card:hover .arrow{transform:translateX(5px);}
.quick-card.featured{background:var(--ink);color:#F3F6EF;border-color:var(--ink);}
.quick-card.featured h3{color:#F7FAF2;}
.quick-card.featured p{color:rgba(243,246,239,.72);}
.quick-card.featured .quick-num{color:rgba(200,244,91,.9);}

/* ============ core services ============ */
.core-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;align-items:stretch;}
.core-main,.core-side{
  border-radius:var(--radius-lg);padding:34px 32px;
  border:1px solid var(--border);
}
.core-main{background:var(--surface);box-shadow:var(--shadow-sm);}
.core-side{background:var(--ink);color:#EFF3EA;border-color:var(--ink);}
.core-main h3,.core-side h3{font-size:23px;font-weight:800;letter-spacing:-.3px;}
.core-side h3{color:#F7FAF2;margin-top:14px;}
.core-main h3{margin-top:14px;}
.core-main p,.core-side p{margin-top:12px;font-size:14.8px;line-height:1.85;}
.core-side p{color:rgba(239,243,234,.75);}
.core-main p{color:var(--muted);}
.core-list{margin-top:22px;display:grid;gap:0;}
.core-list li{
  padding:13px 0;border-top:1px dashed var(--border-strong);
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;line-height:1.7;
}
.core-side .core-list li{border-top-color:rgba(239,243,234,.2);color:rgba(239,243,234,.86);}
.core-list li::before{
  content:"";width:7px;height:7px;margin-top:8px;border-radius:50%;
  background:var(--primary);flex-shrink:0;
}
.core-side .core-list li::before{background:var(--secondary);}
.core-foot{margin-top:24px;}

/* ============ scenario matrix ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.tag-cloud li{
  padding:9px 16px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--border);
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.tag-cloud li:hover{background:rgba(200,244,91,.4);border-color:rgba(22,32,15,.2);transform:translateY(-2px);}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.scene-card{
  display:grid;grid-template-columns:76px 1fr;gap:18px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:22px;
  transition:transform .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--primary);}
.scene-icon{
  width:76px;height:76px;border-radius:18px;
  background:var(--bg-paper-2);
  display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--ink-2);
  letter-spacing:.5px;text-align:center;line-height:1.3;
}
.scene-card h3{font-size:17px;font-weight:800;}
.scene-card p{font-size:13.8px;color:var(--muted);line-height:1.75;margin-top:6px;}

/* ============ routes ============ */
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.route-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.route-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.route-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.route-card-media img{width:100%;height:100%;border-radius:0;transition:transform .5s ease;}
.route-card:hover .route-card-media img{transform:scale(1.05);}
.route-card-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,253,247,.94);}
.route-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.route-card-body h3{font-size:17.5px;font-weight:800;}
.route-card-body p{font-size:13.5px;color:var(--muted);line-height:1.75;flex:1;}
.route-pills{display:flex;flex-wrap:wrap;gap:8px;}
.route-pills li{
  font-size:12px;font-weight:700;color:var(--ink-2);
  background:var(--bg-paper-2);border-radius:var(--radius-pill);
  padding:4px 10px;font-variant-numeric:tabular-nums;
}

/* ============ timeline ============ */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  position:relative;margin-top:12px;
}
.timeline::before{
  content:"";position:absolute;left:12px;right:12px;top:26px;height:2px;
  border-top:2px dashed var(--border-strong);
}
.step{position:relative;padding-top:58px;}
.step-dot{
  position:absolute;top:12px;left:0;
  width:30px;height:30px;border-radius:50%;
  background:var(--surface);border:2px solid var(--ink);
  display:grid;place-items:center;
  font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums;
  z-index:2;
}
.step:nth-child(1) .step-dot{background:var(--primary);}
.step h3{font-size:16px;font-weight:800;}
.step p{font-size:13.3px;color:var(--muted);line-height:1.75;margin-top:7px;}
.step em{
  display:block;margin-top:10px;font-style:normal;font-size:12px;
  color:#A9522F;background:rgba(255,113,70,.12);
  border-radius:var(--radius-sm);padding:6px 10px;line-height:1.6;
}

/* ============ safety ============ */
.safety-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.safety-list{display:grid;gap:0;margin-top:26px;}
.safety-list li{
  padding:16px 0;border-top:1px dashed rgba(239,243,234,.22);
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  font-size:14.6px;line-height:1.8;color:rgba(239,243,234,.84);
}
.safety-list li:first-child{border-top:0;}
.safety-list b{color:#F5F8F0;display:block;font-size:15px;margin-bottom:2px;}
.safety-list span.idx{
  width:26px;height:26px;border-radius:8px;background:rgba(200,244,91,.16);
  color:var(--primary);display:grid;place-items:center;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
}
.badge-panel{
  background:rgba(255,253,247,.06);border:1px solid rgba(239,243,234,.2);
  border-radius:var(--radius-lg);padding:28px 26px;
}
.badge-panel h3{font-size:18px;font-weight:800;margin-bottom:6px;}
.badge-panel p{font-size:13.5px;color:rgba(239,243,234,.68);line-height:1.75;}
.badge-ring{
  margin:22px 0;width:132px;height:132px;border-radius:50%;
  border:2px dashed rgba(200,244,91,.5);
  display:grid;place-items:center;text-align:center;
  background:radial-gradient(circle,rgba(200,244,91,.14),transparent 70%);
}
.badge-ring strong{
  display:block;font-size:15px;font-weight:800;color:var(--primary);line-height:1.4;
}
.badge-ring small{font-size:11.5px;color:rgba(239,243,234,.6);letter-spacing:.6px;}
.check-list{display:grid;gap:10px;}
.check-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.6px;color:rgba(239,243,234,.85);line-height:1.7;
}
.check-list li::before{
  content:"";width:16px;height:16px;flex-shrink:0;margin-top:3px;border-radius:50%;
  background:var(--primary);
  -webkit-mask:radial-gradient(circle at 50% 50%,transparent 4px,#000 4.5px);
  mask:radial-gradient(circle at 50% 50%,transparent 4px,#000 4.5px);
}

/* ============ news list ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.news-item{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:22px 24px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-meta time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-item h3{font-size:17px;font-weight:800;line-height:1.5;}
.news-item p{font-size:13.6px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  grid-column:1/-1;
  background:var(--surface);border:1px dashed var(--border-strong);
  border-radius:var(--radius-md);padding:44px 24px;text-align:center;
  color:var(--muted);font-size:14.5px;
}

/* ============ category entries ============ */
.cat-list{border-top:1px solid var(--border);}
.cat-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 6px;border-bottom:1px solid var(--border);
  transition:padding-left .22s ease,background .22s ease;
}
.cat-row:hover{padding-left:18px;background:rgba(255,253,247,.6);}
.cat-row-left{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;}
.cat-row h3{font-size:18px;font-weight:800;}
.cat-row p{font-size:13.5px;color:var(--muted);}
.cat-row .arrow{font-weight:800;color:var(--secondary);font-size:18px;transition:transform .2s ease;}
.cat-row:hover .arrow{transform:translateX(6px);}

/* ============ stats ============ */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--ink);color:#EFF3EA;border-radius:var(--radius-lg);
  overflow:hidden;
}
.stat{padding:32px 28px;border-left:1px dashed rgba(239,243,234,.2);}
.stat:first-child{border-left:0;}
.stat strong{
  display:block;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;
  line-height:1.1;letter-spacing:-1px;font-variant-numeric:tabular-nums;
  color:var(--primary);
}
.stat small{display:block;margin-top:8px;font-size:13.5px;color:rgba(239,243,234,.7);line-height:1.6;}

/* ============ reviews ============ */
.review-grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:18px;}
.review-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:26px 24px;
  display:flex;flex-direction:column;gap:14px;
}
.review-card.featured{background:var(--bg-paper-2);border-color:var(--border-strong);}
.review-quote{font-size:14.6px;line-height:1.85;color:var(--ink-2);flex:1;}
.review-user{display:flex;align-items:center;gap:11px;}
.avatar{
  width:38px;height:38px;border-radius:50%;
  background:var(--ink);color:var(--primary);
  display:grid;place-items:center;font-size:13px;font-weight:800;flex-shrink:0;
}
.review-user b{display:block;font-size:13.6px;font-weight:700;}
.review-user span{font-size:12px;color:var(--muted);}
.story-block h3{font-size:18px;font-weight:800;line-height:1.45;}
.story-block p{font-size:13.6px;color:var(--muted);line-height:1.8;}
.story-meta{display:flex;gap:8px;flex-wrap:wrap;}

/* ============ pricing ============ */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.plan{
  border-radius:var(--radius-lg);padding:32px 30px;
  border:1px solid var(--border);background:var(--surface);
  display:flex;flex-direction:column;gap:16px;
}
.plan.highlight{background:var(--ink);color:#EFF3EA;border-color:var(--ink);}
.plan h3{font-size:20px;font-weight:800;}
.plan.highlight h3{color:#F7FAF2;}
.plan .plan-desc{font-size:13.6px;color:var(--muted);line-height:1.75;}
.plan.highlight .plan-desc{color:rgba(239,243,234,.72);}
.plan ul{display:grid;gap:10px;}
.plan ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.7;padding-top:10px;
  border-top:1px dashed var(--border-strong);
}
.plan.highlight ul li{border-top-color:rgba(239,243,234,.2);color:rgba(239,243,234,.86);}
.plan ul li::before{
  content:"";width:7px;height:7px;margin-top:8px;border-radius:50%;
  background:var(--primary);flex-shrink:0;
}

/* ============ guide cards ============ */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.guide-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.guide-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.guide-card img{aspect-ratio:16/9;width:100%;border-radius:0;transition:transform .5s ease;}
.guide-card:hover img{transform:scale(1.04);}
.guide-media{overflow:hidden;}
.guide-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1;}
.guide-body h3{font-size:16.5px;font-weight:800;line-height:1.5;}
.guide-body p{font-size:13.4px;color:var(--muted);line-height:1.75;flex:1;}
.guide-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}

/* ============ calendar ============ */
.event-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.event{
  display:grid;grid-template-columns:80px 1fr auto;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:18px 20px;
  transition:border-color .2s ease,transform .2s ease;
}
.event:hover{border-color:var(--primary);transform:translateY(-2px);}
.event-date{
  background:var(--ink);color:var(--primary);border-radius:var(--radius-sm);
  padding:10px 0;text-align:center;
}
.event-date b{display:block;font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.event-date span{font-size:11px;color:rgba(239,243,234,.7);letter-spacing:.6px;}
.event-body h3{font-size:15.6px;font-weight:800;}
.event-body p{font-size:12.8px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums;}
.event-status{
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(200,244,91,.4);color:var(--primary-ink);white-space:nowrap;
}
.event-status.closed{background:var(--bg-paper-2);color:var(--muted);}

/* ============ faq ============ */
.faq{max-width:900px;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px 20px 16px;
  font-size:17px;font-weight:700;line-height:1.55;
  border-left:3px solid transparent;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,253,247,.7);}
.faq-item[open] summary{border-left-color:var(--primary);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--border-strong);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--primary);}
.faq-body{padding:0 4px 24px 19px;max-width:72ch;font-size:14.8px;line-height:1.85;color:var(--muted);}

/* ============ cities ============ */
.city-wall{display:flex;flex-wrap:wrap;gap:10px;}
.city-wall a{
  padding:9px 18px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--border);
  font-size:14px;font-weight:600;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.city-wall a:hover{background:rgba(200,244,91,.42);border-color:rgba(22,32,15,.2);transform:translateY(-2px);}

/* ============ partners ============ */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.partner{
  border:1px dashed var(--border-strong);border-radius:var(--radius-md);
  padding:24px 20px;background:rgba(255,253,247,.6);
}
.partner h3{font-size:15.5px;font-weight:800;}
.partner p{font-size:13px;color:var(--muted);line-height:1.7;margin-top:6px;}

/* ============ cta / form ============ */
.cta-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start;}
.cta-copy h2{font-size:clamp(1.7rem,2.8vw,2.4rem);font-weight:800;line-height:1.25;letter-spacing:-.4px;color:#F6F9F1;}
.cta-copy p{margin-top:16px;font-size:14.8px;line-height:1.85;color:rgba(239,243,234,.74);}
.cta-copy .hero-cta{margin-top:26px;}
.booking-form{
  background:var(--surface);border-radius:var(--radius-lg);
  padding:30px 30px 32px;color:var(--ink);
  box-shadow:var(--shadow-md);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13px;font-weight:700;color:var(--ink-2);}
.field label .req{color:var(--secondary);}
.field input,.field select,.field textarea{
  height:50px;padding:0 14px;border-radius:12px;
  border:1px solid var(--border-strong);background:var(--bg-paper);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;padding:12px 14px;min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:var(--surface);
  box-shadow:0 0 0 3px rgba(200,244,91,.4);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:12.8px;color:var(--muted);line-height:1.7;margin:4px 0 18px;}
.check-line input{width:16px;height:16px;margin-top:2px;accent-color:#A8D93B;flex-shrink:0;}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7;}
.form-status{font-size:13.5px;font-weight:700;margin-top:12px;display:none;}
.form-status.ok{display:block;color:#3E7A20;}
.form-status.err{display:block;color:#C4491F;}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(239,243,234,.74);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand-mark{background:var(--primary);color:var(--primary-ink);}
.footer-brand .brand-text strong{color:#F6F9F1;}
.footer-brand .brand-text small{color:rgba(239,243,234,.55);}
.footer-brand p{margin-top:18px;font-size:13.5px;line-height:1.85;max-width:34ch;color:rgba(239,243,234,.6);}
.footer-col h4{
  font-size:13px;font-weight:800;letter-spacing:1.2px;color:#F6F9F1;
  margin-bottom:16px;
}
.footer-col a,.footer-col li{
  display:block;font-size:13.8px;line-height:1.9;color:rgba(239,243,234,.68);
}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid rgba(239,243,234,.16);
  padding:22px 24px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12.6px;color:rgba(239,243,234,.5);
}

/* ============ responsive ============ */
@media (max-width:1200px){
  .container{padding:0 20px;}
  .hero-grid{gap:40px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{padding-left:0;grid-template-columns:1fr 1fr;align-items:start;}
  .hero-visual::before{display:none;}
  .quick-grid{grid-template-columns:1fr 1fr;}
  .quick-card.featured{grid-column:1/-1;}
  .core-grid{grid-template-columns:1fr;}
  .route-grid{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:1fr 1fr;}
  .timeline::before{display:none;}
  .step{padding-top:0;padding-left:44px;min-height:64px;}
  .step-dot{top:0;left:0;}
  .safety-grid{grid-template-columns:1fr;gap:32px;}
  .review-grid{grid-template-columns:1fr 1fr;}
  .review-card.featured{grid-column:1/-1;}
  .guide-grid{grid-template-columns:1fr 1fr;}
  .partner-grid{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stats-strip{grid-template-columns:1fr 1fr;}
  .stat{border-left:0;border-top:1px dashed rgba(239,243,234,.2);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;}
}
@media (max-width:960px){
  .nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg-paper);border-bottom:1px solid var(--border);
    padding:12px 20px 20px;display:none;box-shadow:var(--shadow-sm);
  }
  .nav.open{display:flex;}
  .nav a{padding:12px 10px;border-radius:10px;font-size:15px;}
  .nav a::after{display:none;}
  .nav a.is-active{background:rgba(200,244,91,.42);}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .site-header{position:sticky;}
  .header-inner{min-height:66px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .hero{padding:56px 0 64px;}
  .hero-visual{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .route-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .guide-grid{grid-template-columns:1fr;}
  .event-list{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .section-head{margin-bottom:32px;}
  .section-head.row{gap:18px;}
  .faq-body{padding-left:4px;}
  .faq-item summary{font-size:15.6px;padding-left:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:52px;}
}
@media (max-width:520px){
  .hero h1{font-size:1.86rem;line-height:1.24;}
  .hero-lead{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .quick-grid{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr;}
  .stat{border-top:1px dashed rgba(239,243,234,.2);}
  .stat:first-child{border-top:0;}
  .scene-card{grid-template-columns:1fr;gap:12px;}
  .scene-icon{width:56px;height:56px;border-radius:14px;}
  .event{grid-template-columns:64px 1fr;row-gap:10px;}
  .event-status{grid-column:2;}
  .booking-form{padding:22px 20px 24px;}
  .brand-text small{display:none;}
  .section-title{font-size:1.5rem;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --bg-paper:#F5F1E6;
  --bg-paper-2:#ECE7DA;
  --surface:#FFFDF7;
  --ink:#111613;
  --ink-2:#1D2721;
  --muted:#657067;
  --primary:#C8F45B;
  --primary-ink:#16200F;
  --secondary:#FF7146;
  --border:rgba(17,22,19,.12);
  --border-strong:rgba(17,22,19,.24);
  --shadow-sm:0 4px 16px rgba(17,22,19,.06);
  --shadow-md:0 18px 40px rgba(17,22,19,.12);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --container:1200px;
  --read:760px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--ink);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-read{max-width:var(--read);margin:0 auto;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg-paper);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--ink);color:var(--primary);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;letter-spacing:.5px;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.2px;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.4px;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  position:relative;padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav a:hover{background:var(--bg-paper-2);}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1);}
.nav a.is-active{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 20px rgba(200,244,91,.32);}
.btn-primary:hover{background:var(--secondary);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,113,70,.3);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--surface);transform:translateY(-2px);}
.btn-sm{padding:10px 16px;font-size:14px;border-radius:12px;}
.btn:active{transform:translateY(1px);}
.btn:focus-visible,.nav a:focus-visible,.link-arrow:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--primary);padding-bottom:3px;
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(5px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border-strong);background:transparent;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* ============ badge / tag ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  background:var(--bg-paper-2);color:var(--ink-2);
  font-size:12px;font-weight:700;letter-spacing:.2px;
}
.badge-lime{background:rgba(200,244,91,.42);border:1px solid rgba(22,32,15,.16);color:var(--primary-ink);}
.badge-orange{background:rgba(255,113,70,.16);color:#8C3316;border:1px solid rgba(255,113,70,.32);}
.badge-line{background:transparent;border:1px solid var(--border-strong);color:var(--ink-2);}

/* ============ 文章头部 ============ */
.post-masthead{
  position:relative;
  padding:52px 0 60px;
  background:var(--bg-paper-2);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.post-masthead::before{
  content:"";position:absolute;left:0;right:0;top:0;height:100%;
  background-image:radial-gradient(circle,rgba(17,22,19,.08) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;pointer-events:none;
}
.post-masthead .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--secondary);}
.breadcrumb .sep{opacity:.5;}
.masthead-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;align-items:center;
}
.post-tag{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;}
.post-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--secondary);}
.post-tag span{font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:.4px;}
.post-title{
  font-size:clamp(1.9rem,3.4vw,3rem);
  line-height:1.2;font-weight:800;letter-spacing:-.5px;
  max-width:760px;
}
.post-lead{
  margin-top:20px;max-width:680px;
  font-size:16.5px;line-height:1.85;color:var(--muted);
}
.post-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:13.5px;color:var(--muted);
}
.post-meta strong{color:var(--ink-2);font-weight:700;}
.post-thumb{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-md);
  background:var(--surface);
}
.post-thumb img{width:100%;height:250px;border-radius:0;transition:transform .5s ease;}
.post-thumb:hover img{transform:scale(1.04);}
.post-thumb figcaption{
  padding:12px 16px;font-size:12.5px;color:var(--muted);
  background:var(--surface);border-top:1px solid var(--border);
}

/* ============ 正文区 ============ */
.article-section{padding:72px 0 80px;background:var(--bg-paper);}
.article-shell{
  display:grid;grid-template-columns:minmax(0,760px) 260px;
  gap:56px;justify-content:center;align-items:start;
}
.article-body{
  max-width:var(--read);
  font-family:"Songti SC","Noto Serif CJK SC",var(--font);
  font-size:17px;line-height:1.85;color:var(--ink-2);
  word-break:break-word;
}
.article-body p{margin:0 0 1.35em;}
.article-body h2{
  position:relative;
  font-family:var(--font);
  font-size:30px;line-height:1.35;font-weight:800;color:var(--ink);
  margin:52px 0 20px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--primary);
}
.article-body h3{
  font-family:var(--font);
  font-size:22px;font-weight:800;color:var(--ink);
  margin:36px 0 14px;
}
.article-body h4{
  font-family:var(--font);
  font-size:18px;font-weight:700;color:var(--ink);
  margin:28px 0 12px;
}
.article-body ul,.article-body ol{margin:0 0 1.35em;padding-left:4px;}
.article-body ul li{
  position:relative;padding-left:22px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--primary);
}
.article-body ol{counter-reset:num;}
.article-body ol li{
  position:relative;padding-left:28px;margin-bottom:10px;counter-increment:num;
}
.article-body ol li::before{
  content:counter(num);
  position:absolute;left:0;top:.18em;
  width:20px;height:20px;border-radius:6px;
  background:var(--bg-paper-2);color:var(--ink-2);
  font-family:var(--font);font-size:12px;font-weight:800;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  background:var(--surface);
  border-left:4px solid var(--primary);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  font-family:var(--font);font-size:16px;line-height:1.8;color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-md);margin:28px 0 10px;}
.article-body figure{margin:28px 0;}
.article-body figcaption{
  font-family:var(--font);font-size:13px;color:var(--muted);text-align:center;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:28px 0;
  display:block;overflow-x:auto;white-space:nowrap;
  font-family:var(--font);font-size:14.5px;
}
.article-body th,.article-body td{
  border:1px solid var(--border);padding:11px 14px;text-align:left;
}
.article-body th{background:var(--bg-paper-2);font-weight:700;color:var(--ink);}
.article-body a{color:#3F5B14;border-bottom:1px solid rgba(63,91,20,.4);font-weight:600;}
.article-body a:hover{color:var(--secondary);border-color:var(--secondary);}
.article-body hr{border:0;border-top:1px dashed var(--border-strong);margin:36px 0;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:var(--bg-paper-2);padding:2px 6px;border-radius:6px;font-size:.92em;
}

/* 空状态 */
.empty-state{
  border:1px dashed var(--border-strong);
  border-radius:var(--radius-lg);
  background:var(--surface);
  padding:48px 32px;text-align:center;
}
.empty-state h2{font-size:24px;margin-bottom:12px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* 目录 */
.toc{
  position:sticky;top:96px;
}
.toc-details{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:var(--surface);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.toc-details summary{
  list-style:none;
  padding:16px 18px;
  font-size:14px;font-weight:800;color:var(--ink);
  border-bottom:1px solid var(--border);
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;
  pointer-events:none;
}
.toc-details summary::-webkit-details-marker{display:none;}
.toc-details summary::after{
  content:"+";font-size:16px;font-weight:700;color:var(--muted);
}
.toc-details[open] summary::after{content:"–";}
.toc ol{padding:12px 18px 18px;counter-reset:toc;}
.toc ol li{margin-bottom:2px;}
.toc ol a{
  display:block;padding:7px 0 7px 12px;
  font-size:13.5px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc ol a:hover,.toc ol a.is-current{
  color:var(--ink);border-left-color:var(--primary);background:rgba(200,244,91,.14);
}
.toc ol a.toc-h3{padding-left:24px;font-size:12.5px;}

/* ============ 关键词速览 ============ */
.keywords-section{padding:64px 0;background:var(--bg-paper-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:680px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.8px;color:var(--secondary);
  margin-bottom:10px;
}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);}
.keyword-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud span{
  padding:8px 15px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--border);
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  transition:border-color .2s ease,transform .2s ease;
}
.tag-cloud span:hover{border-color:var(--primary);transform:translateY(-2px);}
.keypoint-list{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-sm);
}
.keypoint-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--border);
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.keypoint-list li:last-child{border-bottom:0;padding-bottom:0;}
.keypoint-list .num{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;
  background:var(--primary);color:var(--primary-ink);
  display:grid;place-items:center;font-size:12px;font-weight:800;
}

/* ============ 安全提示 ============ */
.safety-section{padding:72px 0;background:var(--bg-paper);}
.tip-card{
  background:#FBF3E4;
  border:1px solid rgba(255,113,70,.32);
  border-radius:var(--radius-lg);
  padding:36px 40px;
  box-shadow:var(--shadow-sm);
}
.tip-card .tip-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.tip-card .tip-icon{
  width:38px;height:38px;border-radius:12px;background:var(--secondary);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex-shrink:0;
}
.tip-card h2{font-size:22px;}
.tip-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;}
.tip-list li{
  position:relative;padding-left:22px;font-size:14.5px;line-height:1.7;color:var(--ink-2);
}
.tip-list li::before{
  content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;
  border-radius:50%;background:var(--secondary);
}

/* ============ 作者 ============ */
.author-section{padding:0 0 72px;background:var(--bg-paper);}
.author-card{
  display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm);
}
.author-avatar{
  width:64px;height:64px;border-radius:50%;
  background:var(--ink);color:var(--primary);
  display:grid;place-items:center;font-size:20px;font-weight:800;
}
.author-card h3{font-size:17px;margin-bottom:4px;}
.author-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0;}
.author-meta{
  text-align:right;font-size:12.5px;color:var(--muted);line-height:1.7;
}
.author-meta strong{display:block;color:var(--ink-2);font-size:13px;}

/* ============ 相关推荐 ============ */
.related-section{padding:72px 0;background:var(--bg-paper-2);border-top:1px solid var(--border);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.post-card h3{font-size:17px;line-height:1.5;}
.post-card p{font-size:13.5px;line-height:1.7;color:var(--muted);margin:0;}
.post-card .card-time{font-size:12.5px;color:var(--muted);margin-top:auto;}
.empty-note{
  border:1px dashed var(--border-strong);border-radius:var(--radius-md);
  padding:28px;text-align:center;font-size:14px;color:var(--muted);
  background:rgba(255,253,247,.6);
}

/* ============ FAQ ============ */
.faq-section{padding:72px 0;background:var(--bg-paper);}
.faq-list{max-width:840px;border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px 20px 14px;
  background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:2px;background:var(--primary);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-q .plus{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--border-strong);
  display:grid;place-items:center;font-size:16px;font-weight:600;color:var(--ink-2);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--primary);border-color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  max-width:72ch;padding:0 4px 22px 14px;
  font-size:15px;line-height:1.8;color:var(--muted);margin:0;
}

/* ============ CTA ============ */
.cta-section{padding:0 0 80px;background:var(--bg-paper);}
.cta-box{
  position:relative;overflow:hidden;
  background:var(--ink);color:#F3F6EF;
  border-radius:var(--radius-lg);
  padding:52px 56px;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,244,91,.24),transparent 68%);
}
.cta-box h2{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.35;position:relative;z-index:2;}
.cta-box p{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(243,246,239,.72);max-width:560px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ============ 返回 ============ */
.return-section{padding:0 0 88px;background:var(--bg-paper);}
.return-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  border-top:1px dashed var(--border-strong);padding-top:28px;
}
.return-links{display:flex;flex-wrap:wrap;gap:20px;align-items:center;font-size:14px;color:var(--muted);}
.return-links a{font-weight:700;color:var(--ink-2);border-bottom:1px solid var(--border-strong);padding-bottom:2px;}
.return-links a:hover{color:var(--secondary);border-color:var(--secondary);}

/* ============ footer ============ */
.site-footer{
  background:var(--ink);color:rgba(243,246,239,.78);
  padding:64px 0 0;font-size:14px;
}
.site-footer .brand-text strong{color:#F3F6EF;}
.site-footer .brand-text small{color:rgba(243,246,239,.52);}
.site-footer .brand-mark{background:var(--primary);color:var(--primary-ink);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(243,246,239,.14);
}
.footer-brand p{margin-top:18px;font-size:13.5px;line-height:1.8;color:rgba(243,246,239,.6);max-width:340px;}
.footer-col h4{font-size:14px;color:#F3F6EF;margin-bottom:16px;letter-spacing:.4px;}
.footer-col a,.footer-col li{
  display:block;font-size:13.5px;line-height:1.9;color:rgba(243,246,239,.66);
  margin-bottom:6px;
}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 26px;font-size:12.5px;color:rgba(243,246,239,.5);
}

/* ============ 移动端底栏 ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,253,247,.97);
  border-top:1px solid var(--border);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  gap:10px;
}
.mobile-bar .btn{flex:1;padding:11px 10px;font-size:13.5px;border-radius:12px;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-shell{grid-template-columns:minmax(0,1fr) 240px;gap:40px;}
  .masthead-grid{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
}
@media (max-width:960px){
  .nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg-paper);
    border-bottom:1px solid var(--border);
    padding:12px 20px 18px;
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav.is-open{display:flex;}
  .nav a{padding:12px 14px;font-size:15px;}
  .nav a::after{left:14px;right:auto;width:22px;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .masthead-grid{grid-template-columns:1fr;}
  .post-thumb img{height:220px;}
  .article-shell{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;order:-1;}
  .toc-details summary{pointer-events:auto;}
  .toc ol{padding-top:6px;}
  .keyword-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-box{grid-template-columns:1fr;padding:40px 32px;}
  .tip-list{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .container{padding:0 18px;}
  .post-masthead{padding:36px 0 44px;}
  .post-lead{font-size:15px;}
  .article-section,.keywords-section,.safety-section,.related-section,.faq-section{padding:52px 0;}
  .author-section{padding:0 0 52px;}
  .cta-section{padding:0 0 56px;}
  .return-section{padding:0 0 64px;}
  .author-card{grid-template-columns:auto 1fr;gap:18px;padding:24px;}
  .author-meta{grid-column:1 / -1;text-align:left;display:flex;gap:24px;}
  .author-meta strong{display:inline;}
  .related-grid{grid-template-columns:1fr;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:24px;margin-top:40px;}
  .article-body h3{font-size:20px;}
  .tip-card{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:64px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:480px){
  .brand-text small{display:none;}
  .post-title{font-size:1.55rem;}
  .post-meta{gap:6px 16px;font-size:12.5px;}
  .faq-q{font-size:16px;}
  .btn{padding:12px 18px;font-size:14px;}
  .cta-box{padding:32px 22px;}
}

/* roulang page: category1 */
:root{
  --bg-paper:#F5F1E6;
  --bg-paper-2:#ECE7DA;
  --surface:#FFFDF7;
  --ink:#111613;
  --ink-2:#1D2721;
  --muted:#657067;
  --primary:#C8F45B;
  --primary-ink:#16200F;
  --secondary:#FF7146;
  --border:rgba(17,22,19,.12);
  --border-strong:rgba(17,22,19,.24);
  --shadow-sm:0 4px 16px rgba(17,22,19,.06);
  --shadow-md:0 18px 40px rgba(17,22,19,.12);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --container:1200px;
  --read:760px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--bg-paper-2);}
.section-dark{background:var(--ink);color:#F3F6EF;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.25rem);font-weight:800;line-height:1.25;letter-spacing:-.3px;}
.section-sub{max-width:520px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.6px;
  color:var(--ink-2);margin-bottom:16px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(200,244,91,.22);}
/* header */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg-paper);border-bottom:1px solid var(--border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink);color:var(--primary);
  display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:.5px;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.2px;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.4px;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{position:relative;padding:8px 12px;border-radius:var(--radius-sm);font-size:14.5px;font-weight:600;color:var(--ink-2);}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav a:hover{background:var(--bg-paper-2);}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1);}
.nav a.is-active{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 20px rgba(200,244,91,.32);}
.btn-primary:hover{background:var(--secondary);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,113,70,.3);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--surface);transform:translateY(-2px);}
.btn-sm{padding:10px 16px;font-size:14px;border-radius:12px;}
.btn:active{transform:translateY(1px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--primary);padding-bottom:3px;
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(5px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-strong);
  background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--radius-pill);
  background:var(--bg-paper-2);color:var(--ink-2);font-size:12px;font-weight:700;letter-spacing:.2px;
}
/* masthead */
.masthead{background:var(--bg-paper-2);border-bottom:1px solid var(--border);padding:34px 0 52px;position:relative;}
.masthead::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background-image:linear-gradient(to right,var(--border-strong) 0 8px,transparent 8px 18px);
  background-size:18px 1px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{opacity:.5;}
.masthead-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:44px;align-items:start;}
.masthead h1{font-size:clamp(1.75rem,3.1vw,2.6rem);font-weight:800;line-height:1.24;letter-spacing:-.4px;max-width:720px;}
.masthead-lead{margin-top:16px;max-width:640px;font-size:15.5px;line-height:1.85;color:var(--muted);}
.masthead-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:26px;}
.masthead-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 22px 20px;box-shadow:var(--shadow-sm);}
.masthead-card h2{font-size:15px;font-weight:800;letter-spacing:.4px;margin-bottom:14px;}
.stat-list{display:grid;gap:12px;}
.stat-list li{display:flex;align-items:baseline;gap:10px;border-bottom:1px dashed var(--border);padding-bottom:10px;}
.stat-list li:last-child{border-bottom:0;padding-bottom:0;}
.stat-num{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.5px;color:var(--ink);}
.stat-num small{font-size:12px;font-weight:700;color:var(--muted);margin-left:2px;}
.stat-list span{font-size:13.5px;color:var(--muted);}
.masthead-note{margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.75;padding-top:14px;border-top:1px solid var(--border);}
/* filter bar */
.filterbar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px 20px;margin-top:-30px;position:relative;z-index:3;}
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;}
.filter-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.filter-label{font-size:12.5px;font-weight:800;color:var(--muted);letter-spacing:.4px;margin-right:2px;}
.chip{
  padding:7px 14px;border-radius:var(--radius-pill);border:1px solid var(--border);
  background:var(--bg-paper);color:var(--ink-2);font-size:13px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--primary);transform:translateY(-1px);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);}
.filter-select{
  height:38px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);
  background:var(--surface);padding:0 14px;font-size:13.5px;font-weight:600;color:var(--ink-2);
}
/* list rows */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.list-head h2{font-size:clamp(1.5rem,2.4vw,2.05rem);font-weight:800;letter-spacing:-.3px;}
.run-list{display:grid;gap:18px;}
.run-row{
  display:grid;grid-template-columns:200px 1fr;gap:24px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.run-row:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.run-row img{width:100%;height:100%;min-height:150px;border-radius:var(--radius-md);object-fit:cover;}
.run-row-body{display:flex;flex-direction:column;gap:10px;}
.run-row-top{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.run-row h3{font-size:19px;font-weight:800;line-height:1.4;}
.run-row p{font-size:14px;color:var(--muted);line-height:1.8;}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;}
.tag{font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--radius-pill);background:var(--bg-paper);color:var(--ink-2);border:1px solid var(--border);}
.tag-lime{background:rgba(200,244,91,.35);border-color:rgba(22,32,15,.14);color:var(--primary-ink);}
.run-row-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.meta-line{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.list-foot{display:flex;justify-content:center;margin-top:30px;}
/* safety */
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.safety-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px 20px 18px;display:flex;gap:14px;
  transition:border-color .2s ease,transform .2s ease;
}
.safety-item:hover{border-color:var(--primary);transform:translateY(-3px);}
.safety-num{
  width:30px;height:30px;flex-shrink:0;border-radius:10px;background:var(--primary);color:var(--primary-ink);
  display:grid;place-items:center;font-size:13.5px;font-weight:800;font-variant-numeric:tabular-nums;
}
.safety-item h3{font-size:16px;font-weight:800;margin-bottom:5px;}
.safety-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}
/* routes */
.route-list{display:grid;gap:14px;}
.route-row{
  display:grid;grid-template-columns:1.1fr .8fr .8fr auto;gap:18px;align-items:center;
  padding:18px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  transition:border-color .2s ease,background .2s ease;
}
.route-row:hover{border-color:var(--primary);background:#fff;}
.route-row strong{font-size:16px;font-weight:800;display:block;}
.route-row .sub{font-size:12.5px;color:var(--muted);}
.route-metric{font-size:13.5px;font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink-2);}
.route-metric span{display:block;font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.3px;}
/* category entries */
.cat-entries{display:grid;gap:0;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);}
.cat-entry{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;border-bottom:1px solid var(--border);
  transition:background .2s ease,padding-left .2s ease;
}
.cat-entry:last-child{border-bottom:0;}
.cat-entry:hover{background:rgba(200,244,91,.14);padding-left:28px;}
.cat-entry strong{font-size:17px;font-weight:800;}
.cat-entry em{font-style:normal;font-weight:800;color:var(--ink-2);}
.cat-entry .desc{font-size:13px;color:var(--muted);margin-left:12px;font-weight:500;}
/* faq */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--border);padding:2px 0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:20px 4px;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q:hover{color:var(--ink-2);padding-left:10px;}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;border:1px solid var(--border-strong);
  display:grid;place-items:center;font-size:16px;font-weight:800;line-height:1;color:var(--ink-2);
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-q{padding-left:10px;border-left:3px solid var(--primary);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);color:var(--primary-ink);border-color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{max-width:72ch;font-size:14.5px;line-height:1.85;color:var(--muted);padding:0 4px 20px 10px;}
/* articles */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.article-card{
  display:flex;flex-direction:column;gap:11px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.article-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.article-card h3{font-size:17px;font-weight:800;line-height:1.5;}
.article-card h3 a:hover{color:var(--ink-2);text-decoration:underline;text-decoration-color:var(--primary);text-underline-offset:4px;}
.article-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.article-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;}
.article-date{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}
.empty-state{padding:26px;border:1px dashed var(--border-strong);border-radius:var(--radius-md);color:var(--muted);font-size:14px;background:var(--surface);}
/* cta */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.cta-copy h2{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:800;line-height:1.28;letter-spacing:-.3px;}
.cta-copy p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted);max-width:460px;}
.cta-copy .back-link{display:inline-block;margin-top:24px;font-size:14px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--border-strong);padding-bottom:2px;}
.cta-copy .back-link:hover{border-color:var(--primary);}
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-md);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:700;color:var(--ink-2);}
.field label .req{color:var(--secondary);margin-left:2px;}
.field input,.field select{
  height:50px;border-radius:12px;border:1px solid var(--border-strong);background:var(--bg-paper);
  padding:0 14px;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus{background:#fff;box-shadow:0 0 0 4px rgba(200,244,91,.3);border-color:var(--primary);}
.consent{display:flex;align-items:flex-start;gap:9px;grid-column:1/-1;font-size:12.5px;color:var(--muted);line-height:1.7;}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:#9fc93a;}
.form-status{grid-column:1/-1;display:none;font-size:13.5px;font-weight:700;color:var(--primary-ink);background:rgba(200,244,91,.35);border:1px solid rgba(22,32,15,.14);border-radius:12px;padding:10px 14px;}
.form-status.is-show{display:block;}
.form-note{grid-column:1/-1;font-size:12px;color:var(--muted);line-height:1.7;}
/* footer */
.site-footer{background:var(--ink);color:rgba(243,246,239,.76);padding-top:72px;}
.site-footer .brand-mark{background:rgba(243,246,239,.14);color:var(--primary);}
.site-footer .brand-text strong{color:#F3F6EF;}
.site-footer .brand-text small{color:rgba(243,246,239,.55);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;max-width:340px;color:rgba(243,246,239,.66);}
.footer-col h4{font-size:15px;font-weight:800;color:#F3F6EF;margin-bottom:14px;letter-spacing:.3px;}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:rgba(243,246,239,.72);}
.footer-col a:hover{color:var(--primary);}
.footer-col li{font-size:13.5px;padding:5px 0;color:rgba(243,246,239,.66);line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(243,246,239,.14);display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;padding:20px 0 26px;font-size:13px;color:rgba(243,246,239,.55);
}
/* responsive */
@media (max-width:1024px){
  .masthead-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-grid{grid-template-columns:repeat(2,1fr);}
  .route-row{grid-template-columns:1fr 1fr;gap:12px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:960px){
  .nav{
    position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:2px;padding:14px 24px 20px;background:var(--bg-paper);
    border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);
  }
  .nav.is-open{display:flex;}
  .nav a{padding:12px 10px;font-size:15px;border-radius:10px;}
  .nav a::after{display:none;}
  .nav a.is-active{background:rgba(200,244,91,.28);}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .run-row{grid-template-columns:160px 1fr;gap:18px;}
  .safety-grid{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .header-actions .btn-sm{display:none;}
  .masthead{padding:24px 0 42px;}
  .filterbar{margin-top:-22px;padding:16px;}
  .filter-row{flex-direction:column;align-items:stretch;gap:12px;}
  .filter-group{justify-content:flex-start;}
  .run-row{grid-template-columns:1fr;padding:16px;}
  .run-row img{min-height:170px;height:170px;}
  .article-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .route-row{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .masthead h1{font-size:1.6rem;}
  .brand-text small{display:none;}
  .btn{width:100%;}
  .masthead-actions{gap:14px;}
  .link-arrow{width:auto;}
  .filter-select{width:100%;}
  .section{padding:52px 0;}
  .cat-entry .desc{display:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
}