/* roulang page: index */
:root{
  --ink-900:#17201D;
  --ink-600:#5A6560;
  --ink-400:#8A938E;
  --primary:#10695A;
  --primary-dark:#0A4A3F;
  --primary-soft:#E4F0EB;
  --accent:#F0733C;
  --accent-soft:rgba(240,115,60,.10);
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E3DFD4;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,32,28,.06), 0 14px 32px -22px rgba(16,32,28,.42);
  --shadow-hover:0 2px 4px rgba(16,32,28,.08), 0 22px 42px -22px rgba(16,32,28,.52);
  --gap:24px;
  --section-pad:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
li{margin-bottom:.35em;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:78px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink-900);flex-shrink:0;}
.brand:hover{text-decoration:none;color:var(--ink-900);}
.brand__mark{
  width:44px;height:44px;border-radius:13px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:700;letter-spacing:0;
  box-shadow:0 8px 18px -12px rgba(16,105,90,.9);
}
.brand__text strong{display:block;font-size:16px;line-height:1.3;}
.brand__text small{display:block;font-size:12px;color:var(--ink-400);letter-spacing:1.2px;line-height:1.4;}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  padding:9px 13px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-600);
  text-decoration:none;transition:background .18s ease,color .18s ease;white-space:nowrap;
}
.nav__link:hover{background:var(--primary-soft);color:var(--primary);text-decoration:none;}
.nav__link.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav__cta{margin-left:10px;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--primary);font-size:20px;line-height:1;
}
.nav-toggle:hover{background:var(--primary-soft);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px -18px rgba(16,105,90,.95);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--accent);}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-1px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--primary);white-space:nowrap;
}
.link-more::after{content:"→";transition:transform .18s ease;}
.link-more:hover::after{transform:translateX(3px);}

/* ---------- shared blocks ---------- */
.section{padding:var(--section-pad) 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--dark{background:var(--primary-dark);color:#E7F0EC;}
.section--dark h2,.section--dark h3{color:#fff;}
.section--dark p{color:rgba(240,250,246,.82);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.sec-head p{color:var(--ink-600);font-size:15px;max-width:640px;margin:.5em 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--primary);background:var(--primary-soft);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section--dark .eyebrow{background:rgba(255,255,255,.14);color:#fff;}

.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  line-height:1.5;
}
.badge--time{background:var(--accent-soft);color:#C2501F;}

/* ---------- hero ---------- */
.hero{padding:60px 0 68px;background:var(--paper);position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,105,90,.10),rgba(16,105,90,0) 70%);pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;position:relative;z-index:1;}
.hero h1{margin-bottom:18px;}
.hero__lead{font-size:17px;line-height:1.85;color:var(--ink-600);max-width:540px;margin-bottom:26px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 18px;box-shadow:var(--shadow);min-width:132px;
}
.stat b{display:block;font-size:22px;line-height:1.3;color:var(--primary);font-variant-numeric:tabular-nums;}
.stat span{display:block;font-size:13px;color:var(--ink-400);}
.hero__figure{position:relative;}
.hero__media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;background:#DDE7E2;
  box-shadow:var(--shadow);
}
.hero__media img{width:100%;height:100%;object-fit:cover;}
.hero__float{
  position:absolute;left:-18px;bottom:-20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--shadow);max-width:250px;
}
.hero__float .t{font-size:13px;color:var(--ink-400);margin-bottom:4px;}
.hero__float strong{font-size:16px;display:block;color:var(--ink-900);}
.hero__float .s{font-size:13px;color:var(--accent);font-weight:600;margin-top:2px;display:block;}

/* ---------- scroll run cards ---------- */
.scroll-x{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.scroll-x::-webkit-scrollbar{height:6px;}
.scroll-x::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.run-card{
  flex:0 0 306px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.run-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.run-card__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px;}
.run-card h3{font-size:17px;margin-bottom:10px;}
.run-card p{font-size:15px;color:var(--ink-600);line-height:1.75;}
.run-card__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-400);}

/* ---------- channel tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.tile{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;color:var(--ink-900);text-decoration:none;position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);text-decoration:none;color:var(--ink-900);}
.tile__idx{font-size:12px;color:var(--ink-400);letter-spacing:1px;display:block;margin-bottom:10px;}
.tile strong{display:block;font-size:17px;margin-bottom:6px;transition:color .2s ease;}
.tile:hover strong{color:var(--primary);}
.tile span.desc{font-size:14px;color:var(--ink-600);line-height:1.7;display:block;}
.tile::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:80px;height:80px;border-radius:50%;
  background:var(--primary-soft);opacity:0;transition:opacity .2s ease;
}
.tile:hover::after{opacity:.9;}

/* ---------- CMS post grid ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.post-card a{color:inherit;text-decoration:none;display:block;}
.post-card a:hover{text-decoration:none;}
.post-card h3{font-size:18px;margin:12px 0 10px;transition:color .2s ease;}
.post-card:hover h3{color:var(--primary);}
.post-card p{font-size:15px;color:var(--ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__meta{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-400);
}
.post-card__meta .go{color:var(--primary);font-weight:600;}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:44px 20px;text-align:center;color:var(--ink-600);font-size:15px;
}

/* ---------- forum list ---------- */
.forum{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);}
.forum__row{
  display:flex;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line);
  transition:background .18s ease;text-decoration:none;color:var(--ink-900);
}
.forum__row:last-child{border-bottom:none;}
.forum__row:hover{background:var(--paper);text-decoration:none;color:var(--ink-900);}
.forum__no{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.forum__main{flex:1;min-width:0;}
.forum__main strong{display:block;font-size:16px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.forum__main span{font-size:13px;color:var(--ink-400);}
.forum__reply{font-size:13px;color:var(--accent);font-weight:600;white-space:nowrap;}
.forum__time{font-size:13px;color:var(--ink-400);white-space:nowrap;min-width:64px;text-align:right;}

/* ---------- route cards ---------- */
.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.route-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:inherit;text-decoration:none;
}
.route-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);text-decoration:none;color:inherit;}
.route-card__img{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:4/3;background:#DDE7E2;}
.route-card__img img{width:100%;height:100%;object-fit:cover;}
.route-card h3{font-size:17px;margin-bottom:8px;}
.route-card p{font-size:14px;color:var(--ink-600);line-height:1.7;margin-bottom:10px;}
.route-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- pace strip ---------- */
.pace-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.pace-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;
  position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pace-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.pace-card::before{content:"";position:absolute;left:0;top:24px;width:3px;height:26px;background:var(--accent);border-radius:0 3px 3px 0;}
.pace-card .num{font-size:26px;font-weight:700;color:var(--primary);display:block;margin-bottom:4px;}
.pace-card .label{font-size:13px;color:var(--ink-400);display:block;margin-bottom:10px;}
.pace-card p{font-size:14px;color:var(--ink-600);line-height:1.7;}

/* ---------- pacer wall ---------- */
.wall{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.pacer{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  display:flex;gap:16px;align-items:flex-start;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pacer:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.pacer:nth-child(2){margin-top:20px;}
.pacer:nth-child(5){margin-top:20px;}
.avatar{
  width:52px;height:52px;flex:0 0 52px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-weight:700;font-size:17px;
}
.pacer strong{display:block;font-size:16px;margin-bottom:4px;}
.pacer .meta{font-size:13px;color:var(--ink-400);line-height:1.7;}

/* ---------- week timeline ---------- */
.week{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.week__item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 16px;
  position:relative;box-shadow:var(--shadow);
}
.week__item::before{
  content:"";position:absolute;top:0;left:16px;right:16px;height:3px;background:var(--primary-soft);border-radius:0 0 3px 3px;
}
.week__item.is-hot::before{background:var(--accent);}
.week__day{font-size:13px;color:var(--ink-400);margin-bottom:8px;letter-spacing:1px;}
.week__item strong{font-size:16px;display:block;margin-bottom:6px;}
.week__item p{font-size:13px;color:var(--ink-600);line-height:1.7;margin:0;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);counter-reset:step;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;
  position:relative;
}
.step__no{
  width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:16px;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-600);line-height:1.75;}

/* ---------- dark list ---------- */
.dark-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px;margin-top:8px;list-style:none;padding:0;}
.dark-list li{
  display:flex;gap:14px;align-items:flex-start;margin:0;font-size:15px;line-height:1.8;color:rgba(240,250,246,.88);
}
.dark-list li::before{
  content:"✓";flex:0 0 24px;height:24px;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;
  display:grid;place-items:center;font-size:12px;margin-top:5px;
}
.dark-list strong{color:#fff;display:block;font-size:16px;margin-bottom:2px;}

/* ---------- gear split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split__media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:#DDE7E2;box-shadow:var(--shadow);}
.split__media img{width:100%;height:100%;object-fit:cover;}
.gear-list{list-style:none;padding:0;margin:22px 0 0;}
.gear-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-600);margin:0;
}
.gear-list li:last-child{border-bottom:none;}
.gear-list b{color:var(--ink-900);font-weight:600;}

/* ---------- quotes ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.quote{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow);position:relative;
}
.quote:nth-child(2){margin-top:28px;}
.quote:nth-child(3){margin-top:12px;}
.quote p{font-size:15px;color:var(--ink-600);line-height:1.85;}
.quote footer{margin-top:16px;font-size:13px;color:var(--ink-400);display:flex;align-items:center;gap:8px;}
.quote footer b{color:var(--ink-900);font-size:14px;}

/* ---------- faq ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:none;}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .18s ease,background .18s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"＋";color:var(--primary);font-size:18px;line-height:1;transition:transform .25s ease;}
.faq summary:hover{background:var(--paper);color:var(--primary);}
.faq details[open] summary{color:var(--primary);box-shadow:inset 3px 0 0 var(--accent);}
.faq details[open] summary::after{content:"－";}
.faq .answer{padding:0 24px 22px;font-size:15px;color:var(--ink-600);line-height:1.85;}

/* ---------- form ---------- */
.join-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-600);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(16,105,90,.14);
}
.field input::placeholder{color:var(--ink-400);}
.form-note{font-size:13px;color:var(--ink-400);margin-top:16px;}
.form-actions{margin-top:22px;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:rgba(240,250,246,.82);padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(240,250,246,.72);}
.site-footer a{color:rgba(240,250,246,.72);text-decoration:none;font-size:14px;transition:color .18s ease;}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__mark{background:rgba(255,255,255,.14);}
.footer-brand strong{color:#fff;font-size:16px;line-height:1.35;display:block;}
.footer-brand small{color:rgba(240,250,246,.6);font-size:12px;letter-spacing:1px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(240,250,246,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .tiles{grid-template-columns:repeat(3,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .wall{grid-template-columns:repeat(2,1fr);}
  .pacer:nth-child(2),.pacer:nth-child(5){margin-top:0;}
  .week{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:992px){
  :root{--section-pad:60px;}
  .nav{
    position:fixed;top:78px;right:0;width:288px;height:calc(100vh - 78px);
    background:#fff;border-left:1px solid var(--line);flex-direction:column;align-items:stretch;
    padding:20px;gap:6px;transform:translateX(105%);transition:transform .28s ease;
    box-shadow:-18px 0 40px -30px rgba(16,32,28,.6);overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0);}
  .nav__link{padding:13px 16px;border-radius:var(--r-sm);font-size:16px;}
  .nav__cta{margin:14px 0 0;width:100%;}
  .nav-toggle{display:block;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__lead{max-width:none;}
  .hero__float{left:auto;right:16px;bottom:-16px;}
  .route-grid{grid-template-columns:1fr;}
  .pace-strip{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:28px;}
  .quotes{grid-template-columns:1fr;}
  .quote:nth-child(2),.quote:nth-child(3){margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  :root{--section-pad:44px;}
  body{font-size:15px;}
  .tiles{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:1fr;}
  .wall{grid-template-columns:1fr;}
  .week{grid-template-columns:repeat(2,1fr);}
  .pace-strip{grid-template-columns:1fr;}
  .dark-list{grid-template-columns:1fr;}
  .route-card{grid-template-columns:1fr;}
  .route-card__img{aspect-ratio:16/9;}
  .forum__row{gap:12px;padding:14px 16px;}
  .forum__main strong{white-space:normal;}
  .forum__reply{display:none;}
  .brand__text small{display:none;}
  .nav-wrap{height:70px;}
  .nav{top:70px;height:calc(100vh - 70px);}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:560px){
  .tiles{grid-template-columns:1fr;}
  .week{grid-template-columns:1fr;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .hero__float{display:none;}
  .stat{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .join-card{padding:22px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --ink-900:#17201D;
  --ink-600:#5A6560;
  --ink-400:#8A938E;
  --primary:#10695A;
  --primary-dark:#0A4A3F;
  --primary-soft:#E4F0EB;
  --accent:#F0733C;
  --accent-soft:rgba(240,115,60,.10);
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E3DFD4;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,32,28,.06), 0 14px 32px -22px rgba(16,32,28,.42);
  --shadow-hover:0 2px 4px rgba(16,32,28,.08), 0 22px 42px -22px rgba(16,32,28,.52);
  --gap:24px;
  --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(--ink-900);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:78px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink-900);flex-shrink:0;}
.brand:hover{text-decoration:none;color:var(--ink-900);}
.brand__mark{
  width:44px;height:44px;border-radius:13px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:700;
  box-shadow:0 8px 18px -12px rgba(16,105,90,.9);
}
.brand__text strong{display:block;font-size:16px;line-height:1.3;}
.brand__text small{display:block;font-size:12px;color:var(--ink-400);letter-spacing:1.2px;line-height:1.4;}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  padding:9px 13px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-600);
  text-decoration:none;transition:background .18s ease,color .18s ease;white-space:nowrap;
}
.nav__link:hover{background:var(--primary-soft);color:var(--primary);text-decoration:none;}
.nav__link.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav__cta{margin-left:10px;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--primary);font-size:20px;line-height:1;
}
.nav-toggle:hover{background:var(--primary-soft);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px -18px rgba(16,105,90,.95);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--accent);}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-1px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;transition:transform .18s ease,color .18s ease;}
.link-arrow::after{content:"→";transition:transform .18s ease;}
.link-arrow:hover{text-decoration:none;color:var(--primary-dark);}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  line-height:1.5;
}
.badge--time{background:var(--accent-soft);color:#C2501F;}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-600);}

/* ---------- breadcrumb + section title row ---------- */
.article-top{padding:26px 0 0;background:var(--paper);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);}
.crumb a{color:var(--ink-600);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:var(--line);}
.article-catrow{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.article-catrow .left{display:flex;align-items:center;gap:12px;}
.article-catrow h2{font-size:20px;line-height:1.4;}
.article-catrow .left small{display:block;font-size:13px;color:var(--ink-400);font-weight:400;}

/* ---------- article head ---------- */
.article-head{padding:34px 0 0;}
.article-head h1{max-width:920px;margin-bottom:18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--ink-400);margin-bottom:26px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.article-meta strong{color:var(--ink-600);font-weight:600;}
.article-cover{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:21/9;background:#DDE7E2;
  box-shadow:var(--shadow);margin-bottom:8px;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover-cap{font-size:13px;color:var(--ink-400);padding:10px 2px 0;}

/* ---------- article body ---------- */
.article-layout{padding:36px 0 var(--section-pad);background:var(--surface);border-top:1px solid var(--line);}
.article-body{max-width:740px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--ink-900);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);margin:44px 0 16px;padding-left:14px;
  border-left:4px solid var(--primary);line-height:1.4;
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--primary-dark);}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--ink-600);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:#FBF6EC;border-left:3px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:24px 0 10px;box-shadow:var(--shadow);}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;line-height:1.7;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;line-height:1.7;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;}
.article-body a{color:var(--primary);text-decoration:underline;}
.article-body a:hover{color:var(--primary-dark);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;
  background:var(--primary-soft);color:var(--primary-dark);padding:2px 6px;border-radius:var(--r-sm);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.empty-state{
  text-align:center;padding:52px 24px;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--paper);
}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--ink-600);margin-bottom:22px;}
.empty-state .btn{margin:0 auto;}

/* ---------- takeaways ---------- */
.takeaway{max-width:740px;margin:40px auto 0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;}
.takeaway h3{font-size:17px;color:var(--primary-dark);margin-bottom:14px;}
.takeaway ol{margin:0 0 18px;padding-left:1.25em;color:var(--ink-600);font-size:15px;line-height:1.8;}
.takeaway ol li{margin-bottom:6px;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- author card ---------- */
.author-card{
  max-width:740px;margin:34px auto 0;display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);
}
.author-avatar{
  width:64px;height:64px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--primary-soft);
}
.author-avatar img{width:100%;height:100%;object-fit:cover;}
.author-card h3{font-size:17px;margin-bottom:4px;}
.author-card .role{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:8px;}
.author-card p{font-size:14px;color:var(--ink-600);line-height:1.8;margin:0 0 10px;}
.author-facts{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- related ---------- */
.rel-section{padding:var(--section-pad) 0;background:var(--paper);border-top:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
.section-head h2{font-size:clamp(23px,2.6vw,30px);}
.section-head p{font-size:14px;color:var(--ink-600);margin-top:8px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.rel-card{
  display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);text-decoration:none;}
.rel-card h3{font-size:17px;line-height:1.55;color:var(--ink-900);transition:color .18s ease;}
.rel-card:hover h3{color:var(--primary);}
.rel-card p{font-size:14px;color:var(--ink-600);line-height:1.75;margin:0;}
.rel-meta{font-size:13px;color:var(--ink-400);margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.rel-empty{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:30px;text-align:center;color:var(--ink-600);
}
.rel-empty p{margin-bottom:16px;font-size:15px;}

/* ---------- prev / next ---------- */
.prev-next{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-top:32px;}
.pn-item{
  display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.pn-item:hover{border-color:var(--primary-soft);transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none;}
.pn-item .k{font-size:13px;color:var(--ink-400);}
.pn-item strong{font-size:15px;color:var(--ink-900);line-height:1.6;}
.pn-item:hover strong{color:var(--primary);}
.pn-item.is-next{text-align:right;align-items:flex-end;}

/* ---------- cta band ---------- */
.cta-band{background:var(--primary-dark);color:#E7F0EC;padding:var(--section-pad) 0;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(240,250,246,.82);max-width:620px;margin-bottom:24px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:#E7F0EC;padding:56px 0 22px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand strong{display:block;font-size:16px;color:#fff;line-height:1.3;}
.footer-brand small{display:block;font-size:12px;color:rgba(240,250,246,.6);letter-spacing:1px;}
.site-footer p{font-size:14px;color:rgba(240,250,246,.72);line-height:1.85;margin:0;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:14px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.footer-links a{color:rgba(240,250,246,.7);font-size:14px;text-decoration:none;transition:color .18s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(240,250,246,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .rel-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:992px){
  .nav-toggle{display:block;}
  .nav{
    position:fixed;top:78px;right:0;width:290px;height:calc(100vh - 78px);
    flex-direction:column;align-items:stretch;gap:6px;padding:20px;
    background:var(--surface);border-left:1px solid var(--line);
    box-shadow:-16px 0 40px -28px rgba(16,32,28,.5);
    transform:translateX(105%);transition:transform .24s ease;overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0);}
  .nav__link{padding:12px 14px;font-size:16px;}
  .nav__cta{margin:10px 0 0;width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-cover{aspect-ratio:16/9;}
}
@media (max-width:768px){
  :root{--section-pad:44px;}
  h1{font-size:clamp(26px,6.4vw,34px);}
  .nav-wrap{height:68px;}
  .nav{top:68px;height:calc(100vh - 68px);width:100%;}
  .brand__mark{width:38px;height:38px;font-size:17px;border-radius:11px;}
  .brand__text strong{font-size:14px;}
  .brand__text small{font-size:11px;letter-spacing:.6px;}
  .article-head h1{font-size:clamp(24px,6vw,30px);}
  .article-meta{gap:8px 12px;font-size:12px;}
  .article-cover{aspect-ratio:16/10;border-radius:var(--r-md);}
  .article-body{font-size:16px;line-height:1.85;}
  .author-card{flex-direction:column;align-items:flex-start;}
  .rel-grid{grid-template-columns:1fr;}
  .prev-next{grid-template-columns:1fr;}
  .pn-item.is-next{text-align:left;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:560px){
  .btn{width:100%;}
  .cta-actions{flex-direction:column;}
  .takeaway{padding:18px;}
  .badge{font-size:12px;padding:3px 10px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#17201D;
  --ink-600:#5A6560;
  --ink-400:#8A938E;
  --primary:#10695A;
  --primary-dark:#0A4A3F;
  --primary-soft:#E4F0EB;
  --accent:#F0733C;
  --accent-soft:rgba(240,115,60,.10);
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E3DFD4;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,32,28,.06), 0 14px 32px -22px rgba(16,32,28,.42);
  --shadow-hover:0 2px 4px rgba(16,32,28,.08), 0 22px 42px -22px rgba(16,32,28,.52);
  --gap:24px;
  --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(--ink-900);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900);}
h2{font-size:clamp(24px,3vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
select{font:inherit;color:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:78px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink-900);flex-shrink:0;}
.brand:hover{text-decoration:none;color:var(--ink-900);}
.brand__mark{
  width:44px;height:44px;border-radius:13px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:700;
  box-shadow:0 8px 18px -12px rgba(16,105,90,.9);
}
.brand__text strong{display:block;font-size:16px;line-height:1.3;}
.brand__text small{display:block;font-size:12px;color:var(--ink-400);letter-spacing:1.2px;line-height:1.4;}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  padding:9px 13px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-600);
  text-decoration:none;transition:background .18s ease,color .18s ease;white-space:nowrap;
}
.nav__link:hover{background:var(--primary-soft);color:var(--primary);text-decoration:none;}
.nav__link.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav__cta{margin-left:10px;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--primary);font-size:20px;line-height:1;
}
.nav-toggle:hover{background:var(--primary-soft);}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px -18px rgba(16,105,90,.95);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--accent);}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-1px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--primary);background:var(--primary-soft);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);line-height:1.5;
}
.badge--time{background:var(--accent-soft);color:#C2501F;}

/* ---------- section ---------- */
.section{padding:var(--section-pad) 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--dark{background:var(--primary-dark);color:#E7F0EC;}
.section--dark h2,.section--dark h3{color:#fff;}
.section--dark p{color:rgba(240,250,246,.82);}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head p{color:var(--ink-600);font-size:15px;margin:8px 0 0;max-width:660px;}
.section--dark .section-head p{color:rgba(240,250,246,.78);}

/* ---------- 分类头 ---------- */
.cat-head{padding:40px 0 52px;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);border-bottom:1px solid var(--line);}
.cat-head__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.crumbs{font-size:13px;color:var(--ink-400);margin-bottom:16px;}
.crumbs a{color:var(--ink-600);}
.crumbs a:hover{color:var(--primary);}
.crumbs span{margin:0 6px;color:var(--ink-400);}
.cat-head h1{font-size:clamp(28px,3.6vw,42px);line-height:1.25;margin-bottom:6px;}
.cat-head__lead{font-size:16.5px;color:var(--ink-600);max-width:600px;margin:18px 0 24px;}
.stat-row{display:flex;flex-wrap:wrap;gap:10px;}
.board{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
.board__media{aspect-ratio:16/10;overflow:hidden;background:#DDE7E2;}
.board__media img{width:100%;height:100%;object-fit:cover;}
.board__body{padding:18px 20px 20px;}
.board__title{font-size:13px;color:var(--ink-400);letter-spacing:.6px;margin-bottom:6px;}
.board__item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.board__item:last-child{border-bottom:0;}
.board__item .t{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;color:var(--primary);font-size:14.5px;}
.board__item em{font-style:normal;color:var(--ink-400);font-size:13px;}

/* ---------- 筛选条 ---------- */
.filter-bar{
  position:sticky;top:78px;z-index:60;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);box-shadow:0 10px 24px -26px rgba(16,32,28,.6);
}
.filter-bar__inner{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px;padding:13px 20px;}
.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-label{font-size:13px;color:var(--ink-400);}
.chip{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink-600);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}
.chip.is-on{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary);font-weight:600;}
.field{
  padding:7px 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  font-size:13.5px;color:var(--ink-900);transition:border-color .18s ease,box-shadow .18s ease;
}
.field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(16,105,90,.12);outline:none;}

/* ---------- 列表卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-soft);}
.card__title{font-size:19px;line-height:1.5;margin:12px 0 8px;}
.card__title a{color:var(--ink-900);}
.card:hover .card__title a{color:var(--primary);}
.card__excerpt{
  font-size:15px;line-height:1.75;color:var(--ink-600);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-400);
}
.list-foot{display:flex;justify-content:center;margin-top:34px;}
.empty{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:34px 24px;text-align:center;color:var(--ink-600);font-size:15px;
}

/* ---------- 路线卡 ---------- */
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.route-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;
}
.route-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.route-card__media{aspect-ratio:16/10;overflow:hidden;background:#DDE7E2;}
.route-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.route-card:hover .route-card__media img{transform:scale(1.04);}
.route-card__body{padding:18px 20px 22px;}
.route-card h3{font-size:18px;margin-bottom:8px;}
.route-card p{font-size:14.5px;color:var(--ink-600);margin-bottom:12px;}
.route-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 区域分布 ---------- */
.dist-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;}
.dist-list li{margin-bottom:16px;}
.dist-list .row{display:flex;justify-content:space-between;font-size:14px;margin-bottom:6px;color:var(--ink-600);}
.dist-list .row b{color:var(--ink-900);font-weight:600;}
.bar{height:10px;border-radius:var(--r-pill);background:var(--primary-soft);overflow:hidden;}
.bar span{display:block;height:100%;background:var(--primary);border-radius:var(--r-pill);}
.map-ph{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:300px;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background-image:linear-gradient(180deg,rgba(10,74,63,.10),rgba(10,74,63,.62)),url('/assets/images/523695c1c70f4ad3.webp');
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;padding:22px;
}
.map-ph .inner{color:#fff;position:relative;z-index:1;}
.map-ph strong{display:block;font-size:17px;margin-bottom:6px;color:#fff;}
.map-ph span{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.7;display:block;}

/* ---------- 新手须知 ---------- */
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px;}
.tip{display:flex;gap:14px;align-items:flex-start;}
.tip__ic{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.14);color:#fff;font-size:16px;font-weight:700;
}
.tip h3{font-size:16.5px;margin-bottom:4px;}
.tip p{font-size:14.5px;line-height:1.75;margin:0;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:first-of-type{border-top:1px solid var(--line);}
.faq summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 0 18px 14px;font-size:17px;font-weight:600;color:var(--ink-900);position:relative;
  transition:color .18s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:transparent;transition:background .18s ease;
}
.faq summary::after{content:"＋";color:var(--primary);font-size:16px;font-weight:700;}
.faq details[open] summary{color:var(--primary);}
.faq details[open] summary::before{background:var(--accent);}
.faq details[open] summary::after{content:"－";}
.faq .answer{font-size:15.5px;line-height:1.85;color:var(--ink-600);padding:0 40px 20px 14px;max-width:780px;}

/* ---------- 相关阅读 + CTA ---------- */
.related-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:34px;}
.related-item{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  color:var(--ink-900);font-size:15.5px;font-weight:600;
}
.related-item:hover{transform:translateY(-2px);border-color:var(--primary-soft);box-shadow:var(--shadow-hover);color:var(--primary);text-decoration:none;}
.related-item__a{font-size:13px;color:var(--primary);white-space:nowrap;font-weight:600;}
.cta-band{
  background:var(--primary-soft);border:1px solid rgba(16,105,90,.14);border-radius:var(--r-lg);
  padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.cta-band strong{display:block;font-size:19px;color:var(--primary-dark);margin-bottom:4px;}
.cta-band span{font-size:14.5px;color:var(--ink-600);}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:rgba(247,244,237,.78);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(247,244,237,.72);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{width:38px;height:38px;font-size:16px;border-radius:11px;}
.footer-brand strong{display:block;color:#fff;font-size:15px;line-height:1.3;}
.footer-brand small{display:block;font-size:12px;color:rgba(247,244,237,.6);}
.footer-links li{margin-bottom:9px;}
.footer-links a{color:rgba(247,244,237,.7);font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,237,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .route-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);
    background:#fff;border-left:1px solid var(--line);
    box-shadow:-24px 0 48px -34px rgba(16,32,28,.55);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 20px 28px;transform:translateX(105%);
    transition:transform .26s ease;overflow-y:auto;margin-left:0;z-index:90;
  }
  .nav.is-open{transform:translateX(0);}
  .nav__link{padding:12px 14px;border-radius:var(--r-sm);font-size:15.5px;}
  .nav__cta{margin:12px 0 0;width:100%;}
  .nav-toggle{display:block;z-index:100;}
  .cat-head__grid{grid-template-columns:1fr;gap:32px;}
  .cat-head__lead{max-width:none;}
  .dist-grid{grid-template-columns:1fr;gap:32px;}
  .tips-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .filter-bar{top:78px;}
}
@media (max-width:768px){
  :root{--section-pad:44px;}
  .nav-wrap{height:68px;gap:12px;}
  .brand__text strong{font-size:14.5px;}
  .brand__text small{font-size:11px;letter-spacing:.8px;}
  .cat-head{padding:28px 0 38px;}
  .cat-head h1{font-size:clamp(24px,6vw,30px);}
  .cat-head__lead{font-size:15.5px;}
  .grid-3,.route-grid,.related-list{grid-template-columns:1fr;}
  .section-head{margin-bottom:24px;}
  .filter-bar{top:68px;}
  .filter-bar__inner{padding:12px 16px;gap:10px 16px;}
  .filter-group{width:100%;}
  .map-ph{min-height:230px;}
  .cta-band{padding:22px;}
  .faq summary{font-size:16px;padding-right:0;}
  .faq .answer{padding-right:10px;}
  .footer-grid{grid-template-columns:1fr;padding-bottom:28px;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .btn{width:100%;}
  .stat-row .badge{font-size:12.5px;padding:4px 10px;}
  .board__item{font-size:13.5px;flex-wrap:wrap;gap:4px 10px;}
  .card{padding:18px;}
  .related-item{padding:14px 16px;font-size:14.5px;}
  .cta-band .btn{width:100%;}
  .map-ph{padding:18px;}
}