/* roulang page: index */
:root{
    --tea:#1F4A3D; --tea-dark:#163a30; --tea-soft:#2c6252;
    --ochre:#A9744B; --amber:#C89B3C; --plum:#8C3B2E;
    --paper:#F7F3EA; --paper-band:#EFE9DC; --paper-card:#FFFFFF;
    --ink:#16211D; --ink-soft:#4A574F; --ink-mute:#78837B;
    --line:#DCD5C6;
    --r-card:14px; --r-lg:20px; --r-btn:10px; --r-pill:999px;
    --shadow:0 1px 2px rgba(22,33,29,.06), 0 8px 24px -12px rgba(22,33,29,.18);
    --shadow-hover:0 2px 6px rgba(22,33,29,.09), 0 18px 38px -16px rgba(22,33,29,.28);
    --maxw:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
    color:var(--ink);
    background-color:var(--paper);
    background-image:radial-gradient(rgba(31,74,61,.045) 1px, transparent 1px);
    background-size:24px 24px;
    font-size:16px;
    line-height:1.78;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",STSong,serif;line-height:1.42;margin:0;color:var(--ink);letter-spacing:.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;
  }
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- header ---------- */
  .site-head{
    position:sticky;top:0;z-index:60;
    background:rgba(247,243,234,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .head-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;position:relative;}
  .brand{display:flex;align-items:center;gap:12px;}
  .brand-mark{
    width:40px;height:40px;border-radius:12px;
    background:var(--tea);color:#F3E9D6;
    display:flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-size:20px;font-weight:700;
    box-shadow:inset 0 0 0 1px rgba(200,155,60,.55);
    flex:none;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-text strong{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
  .brand-text small{font-size:11.5px;color:var(--ink-mute);letter-spacing:.06em;margin-top:2px;}
  .main-nav{display:flex;align-items:center;gap:30px;}
  .nav-link{
    position:relative;padding:6px 2px;font-size:15px;font-weight:500;
    color:var(--ink-soft);transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
    background:var(--amber);border-radius:2px;
    transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--tea);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--tea);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .head-actions{display:flex;align-items:center;gap:12px;}
  .head-cta{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--tea);color:#fff;font-size:14px;font-weight:600;
    padding:10px 20px;border-radius:var(--r-btn);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
    box-shadow:var(--shadow);
  }
  .head-cta:hover{background:var(--tea-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
  .head-cta:active{transform:translateY(0);}
  .burger{
    display:none;width:42px;height:42px;border-radius:10px;
    border:1px solid var(--line);background:#fff;color:var(--tea);
    align-items:center;justify-content:center;cursor:pointer;
    transition:border-color .2s ease,color .2s ease;
  }
  .burger:hover{border-color:var(--amber);color:var(--ochre);}
  .burger svg{width:20px;height:20px;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;border:1.5px solid transparent;
    cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn:active{transform:translateY(0);}
  .btn-primary{background:var(--tea);color:#fff;box-shadow:var(--shadow);}
  .btn-primary:hover{background:var(--tea-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
  .btn-ghost{background:transparent;border-color:var(--ochre);color:var(--ochre);}
  .btn-ghost:hover{background:rgba(169,116,75,.1);transform:translateY(-1px);}
  .btn-light{background:#fff;color:var(--tea);border-color:#fff;}
  .btn-light:hover{background:#F3E9D6;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;border-color:rgba(243,233,214,.45);color:#F3E9D6;}
  .btn-outline-light:hover{background:rgba(243,233,214,.12);border-color:rgba(243,233,214,.75);transform:translateY(-1px);}
  .link-more{
    display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ochre);
    transition:color .2s ease,gap .2s ease;
  }
  .link-more:hover{color:var(--tea);gap:10px;}

  /* ---------- hero ---------- */
  .hero{position:relative;overflow:hidden;background:var(--tea-dark);}
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/c1503ed812b9e748.webp');
    background-size:cover;background-position:center;
    transform:scale(1.02);
  }
  .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(102deg, rgba(18,38,31,.95) 0%, rgba(18,38,31,.88) 46%, rgba(18,38,31,.62) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:38px 20px 72px;}
  .ticker{
    display:inline-flex;align-items:center;gap:14px;flex-wrap:wrap;
    background:rgba(243,233,214,.1);
    border:1px solid rgba(200,155,60,.42);
    border-radius:var(--r-pill);
    padding:8px 18px;margin-bottom:34px;
    color:#EFE9DC;font-size:13.5px;
  }
  .tick-dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(200,155,60,.22);flex:none;}
  .tick-time{font-variant-numeric:tabular-nums;font-weight:700;color:var(--amber);letter-spacing:.04em;}
  .tick-link{color:#F3E9D6;font-weight:600;border-bottom:1px dashed rgba(243,233,214,.5);transition:color .2s ease,border-color .2s ease;}
  .tick-link:hover{color:var(--amber);border-color:var(--amber);}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:.14em;color:var(--amber);
    text-transform:none;margin-bottom:16px;
  }
  .hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);}
  .hero h1{
    color:#FBF7EE;font-size:40px;line-height:1.32;font-weight:700;letter-spacing:.01em;
  }
  .hero h1 em{font-style:normal;color:var(--amber);}
  .hero-sub{
    color:rgba(243,233,214,.86);font-size:16px;line-height:1.9;margin-top:20px;max-width:610px;
  }
  .hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(243,233,214,.16);}
  .hero-stats div{font-size:13px;color:rgba(243,233,214,.66);}
  .hero-stats b{display:block;font-family:"Noto Serif SC",serif;font-size:23px;color:var(--amber);font-variant-numeric:tabular-nums;line-height:1.3;}

  .hero-card{
    background:#FBF7EE;border-radius:var(--r-lg);overflow:hidden;
    box-shadow:0 24px 60px -22px rgba(0,0,0,.6);
    border:1px solid rgba(220,213,198,.9);
  }
  .hero-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
  .hero-card-media img{width:100%;height:100%;object-fit:cover;}
  .hero-card-tag{
    position:absolute;left:14px;top:14px;
    background:rgba(22,33,29,.78);color:#F3E9D6;
    font-size:11.5px;letter-spacing:.08em;padding:5px 12px;border-radius:var(--r-pill);
    backdrop-filter:blur(4px);
  }
  .hero-card-body{padding:20px 22px 22px;}
  .hero-card-body h3{font-size:19px;margin-bottom:8px;}
  .hero-card-body .spec{
    display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;
    font-size:13px;color:var(--ink-soft);margin:14px 0 18px;
  }
  .hero-card-body .spec span{color:var(--ink-mute);}
  .hero-card-body .spec b{color:var(--ink);font-weight:600;}
  .hero-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .hero-card-foot .price{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--plum);font-weight:600;}

  /* ---------- pill bar ---------- */
  .pill-wrap{background:#fff;border-bottom:1px solid var(--line);}
  .pillbar{
    display:flex;gap:10px;overflow-x:auto;padding:16px 0;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .pillbar::-webkit-scrollbar{display:none;}
  .pill{
    flex:none;display:inline-flex;align-items:center;
    padding:8px 18px;border-radius:var(--r-pill);
    font-size:14px;font-weight:500;color:var(--ink-soft);
    background:var(--paper);border:1px solid var(--line);
    transition:all .22s ease;white-space:nowrap;
  }
  .pill:hover{border-color:var(--amber);color:var(--ochre);}
  .pill.active{background:var(--tea);color:#fff;border-color:var(--tea);font-weight:600;}

  /* ---------- sections ---------- */
  .sec{padding:76px 0;}
  .sec-band{background:var(--paper-band);}
  .sec-white{background:#fff;}
  .sec-head{max-width:760px;margin-bottom:42px;}
  .sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:.14em;color:var(--ochre);margin-bottom:12px;
  }
  .kicker::before{content:"";width:22px;height:1px;background:var(--ochre);}
  .sec-head.center .kicker::after{content:"";width:22px;height:1px;background:var(--ochre);}
  .h2{font-size:29px;line-height:1.4;}
  .sec-desc{color:var(--ink-soft);font-size:15.5px;line-height:1.86;margin-top:14px;}

  /* ---------- atlas cards ---------- */
  .atlas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .atlas-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px 24px;box-shadow:var(--shadow);
    display:flex;flex-direction:column;
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .atlas-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
  .atlas-card.wide{grid-column:span 2;flex-direction:row;align-items:center;gap:26px;}
  .seal{
    width:46px;height:46px;border-radius:12px;flex:none;
    border:1.5px solid var(--ochre);color:var(--ochre);
    display:flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-size:19px;font-weight:700;
    background:rgba(169,116,75,.06);
  }
  .atlas-card h3{font-size:19px;margin:16px 0 8px;}
  .atlas-card.wide h3{margin-top:0;}
  .atlas-card p{color:var(--ink-soft);font-size:14.5px;line-height:1.8;}
  .atlas-card .arrow{margin-top:auto;padding-top:18px;}
  .atlas-card.wide .arrow{padding-top:0;}

  /* ---------- topics ---------- */
  .topic-wrap{display:grid;grid-template-columns:190px 1fr;gap:34px;}
  .tag-col{display:flex;flex-direction:column;gap:8px;}
  .tag-col .tag-label{font-size:12.5px;letter-spacing:.12em;color:var(--ink-mute);margin-bottom:6px;}
  .tag-btn{
    display:block;text-align:left;padding:9px 16px;border-radius:10px;
    font-size:14px;color:var(--ink-soft);background:#fff;border:1px solid var(--line);
    transition:all .2s ease;
  }
  .tag-btn:hover{border-color:var(--amber);color:var(--ochre);}
  .tag-btn.on{background:var(--tea);color:#fff;border-color:var(--tea);font-weight:600;}
  .topic-list{border-top:1px solid var(--line);}
  .topic-row{
    display:grid;grid-template-columns:44px 1fr auto;gap:18px;align-items:center;
    padding:20px 18px;border-bottom:1px solid var(--line);
    transition:background .2s ease;
  }
  .topic-row:hover{background:var(--paper-band);}
  .topic-idx{
    font-family:"Noto Serif SC",serif;font-size:20px;color:var(--line);
    font-variant-numeric:tabular-nums;transition:color .2s ease;
  }
  .topic-row:hover .topic-idx{color:var(--amber);}
  .topic-row h3{font-size:16.5px;font-weight:600;font-family:"Noto Serif SC",serif;}
  .topic-row p{font-size:13.5px;color:var(--ink-mute);margin-top:5px;line-height:1.7;}
  .topic-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:none;}
  .badge{
    display:inline-flex;align-items:center;
    padding:2px 11px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;line-height:1.7;
  }
  .badge-ochre{background:rgba(169,116,75,.12);color:var(--ochre);}
  .badge-amber{background:rgba(200,155,60,.16);color:#8a6a1e;}
  .badge-plum{background:rgba(140,59,46,.12);color:var(--plum);}
  .badge-tea{background:rgba(31,74,61,.1);color:var(--tea);}
  .topic-meta time{font-size:12.5px;color:var(--ink-mute);font-variant-numeric:tabular-nums;}

  /* ---------- data band ---------- */
  .data-band{background:var(--tea);padding:64px 0;}
  .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center;}
  .data-grid .d-num{
    font-family:"Noto Serif SC",serif;font-size:40px;color:var(--amber);
    font-variant-numeric:tabular-nums;line-height:1.2;
  }
  .data-grid .d-label{color:rgba(243,233,214,.78);font-size:13.5px;margin-top:8px;letter-spacing:.04em;}
  .data-grid .d-rule{width:28px;height:1px;background:rgba(200,155,60,.55);margin:12px auto 0;}

  /* ---------- nearby ---------- */
  .nearby-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .nearby-card{
    display:flex;gap:18px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px 22px;box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .nearby-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
  .date-block{
    flex:none;width:62px;text-align:center;border-radius:12px;
    background:var(--paper-band);padding:9px 0 10px;
    border:1px solid var(--line);
  }
  .date-block b{display:block;font-family:"Noto Serif SC",serif;font-size:22px;color:var(--tea);font-variant-numeric:tabular-nums;line-height:1.15;}
  .date-block small{font-size:11.5px;color:var(--ink-mute);letter-spacing:.05em;}
  .nearby-body{flex:1;min-width:0;}
  .nearby-body h3{font-size:16.5px;margin-bottom:6px;}
  .nearby-body p{font-size:13.5px;color:var(--ink-mute);line-height:1.7;}

  /* ---------- wall ---------- */
  .wall{
    display:grid;grid-template-columns:repeat(4,1fr);
    grid-auto-rows:196px;gap:16px;
  }
  .wall-item{
    position:relative;overflow:hidden;border-radius:var(--r-card);
    border:1px solid var(--line);background:var(--paper-band);
  }
  .wall-item.big{grid-column:span 2;grid-row:span 2;border-radius:var(--r-lg);}
  .wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .wall-item:hover img{transform:scale(1.05);}
  .wall-cap{
    position:absolute;left:0;right:0;bottom:0;
    padding:26px 16px 14px;
    background:linear-gradient(to top, rgba(18,38,31,.82), rgba(18,38,31,0));
    color:#F3E9D6;font-size:13px;letter-spacing:.02em;
  }
  .wall-item.big .wall-cap{font-size:15px;padding:40px 22px 20px;}
  .wall-cap small{display:block;font-size:11.5px;color:rgba(243,233,214,.72);margin-top:3px;}

  /* ---------- praise ---------- */
  .praise-top{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
  .praise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .praise-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px 22px;box-shadow:var(--shadow);
    transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .praise-card:nth-child(2){transform:translateY(-16px);}
  .praise-card:hover{border-color:var(--amber);box-shadow:var(--shadow-hover);}
  .praise-card:nth-child(2):hover{transform:translateY(-19px);}
  .praise-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .avatar{
    width:42px;height:42px;border-radius:50%;flex:none;
    background:linear-gradient(135deg,var(--tea),var(--tea-soft));
    color:#F3E9D6;display:flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;
  }
  .praise-head strong{font-size:14.5px;display:block;}
  .praise-head small{font-size:12px;color:var(--ink-mute);}
  .stars{color:var(--amber);font-size:13px;letter-spacing:2px;margin-bottom:10px;}
  .praise-card p{font-size:14px;color:var(--ink-soft);line-height:1.8;}

  /* ---------- guard ---------- */
  .guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .guard-item{
    display:flex;gap:12px;align-items:flex-start;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;transition:border-color .2s ease,transform .2s ease;
  }
  .guard-item:hover{border-color:var(--amber);transform:translateY(-2px);}
  .tick{
    width:22px;height:22px;border-radius:50%;flex:none;margin-top:2px;
    background:rgba(31,74,61,.1);color:var(--tea);
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  }
  .guard-item strong{display:block;font-size:14.5px;margin-bottom:4px;}
  .guard-item span{font-size:13px;color:var(--ink-mute);line-height:1.7;display:block;}

  /* ---------- flow ---------- */
  .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
  .flow-step{position:relative;padding-top:8px;}
  .flow-step .dot{
    width:44px;height:44px;border-radius:50%;
    border:1.5px solid var(--ochre);color:var(--ochre);
    display:flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-size:18px;font-weight:700;
    background:#fff;position:relative;z-index:2;
  }
  .flow-step::after{
    content:"";position:absolute;top:30px;left:52px;right:-24px;
    border-top:1px dashed var(--line);z-index:1;
  }
  .flow-step:last-child::after{display:none;}
  .flow-step h3{font-size:16.5px;margin:18px 0 8px;}
  .flow-step p{font-size:13.5px;color:var(--ink-soft);line-height:1.78;}

  /* ---------- join ---------- */
  .join-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center;}
  .qr-box{
    width:100%;max-width:300px;aspect-ratio:1/1;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
    margin:0 auto;box-shadow:var(--shadow);padding:20px;text-align:center;
  }
  .qr-frame{
    width:120px;height:120px;border-radius:10px;
    border:1.5px dashed var(--line);
    display:flex;align-items:center;justify-content:center;
    color:var(--ochre);
  }
  .qr-box p{font-size:12.5px;color:var(--ink-mute);line-height:1.7;}
  .join-list{counter-reset:jstep;margin-top:8px;}
  .join-list li{
    position:relative;padding-left:46px;margin-bottom:20px;
    font-size:15px;color:var(--ink-soft);line-height:1.8;
  }
  .join-list li::before{
    counter-increment:jstep;content:counter(jstep);
    position:absolute;left:0;top:0;
    width:30px;height:30px;border-radius:50%;
    background:var(--tea);color:#F3E9D6;
    display:flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-size:14px;font-weight:700;
  }
  .join-list li b{color:var(--ink);}
  .notice-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}

  /* ---------- news ---------- */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .news-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow);
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .news-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
  .news-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--paper-band);}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .news-card:hover .news-thumb img{transform:scale(1.05);}
  .news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
  .news-body .badge{align-self:flex-start;margin-bottom:10px;}
  .news-body h3{font-size:16.5px;line-height:1.55;margin-bottom:9px;}
  .news-body p{
    font-size:13.5px;color:var(--ink-mute);line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-body time{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--ink-mute);font-variant-numeric:tabular-nums;}
  .empty-state{
    grid-column:1/-1;text-align:center;padding:64px 20px;
    background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  }
  .empty-state p{color:var(--ink-mute);font-size:14.5px;margin-bottom:18px;}

  /* ---------- faq ---------- */
  .faq-list{max-width:860px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
    font-family:"Noto Serif SC",serif;font-size:16.5px;font-weight:600;color:var(--ink);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--ochre);}
  .faq-q .ico{
    flex:none;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);color:var(--ochre);
    display:flex;align-items:center;justify-content:center;
    transition:transform .3s ease,border-color .3s ease,background .3s ease;
  }
  .faq-item.open .faq-q .ico{transform:rotate(180deg);background:var(--paper-band);border-color:var(--amber);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
  .faq-item.open .faq-a{max-height:360px;}
  .faq-a p{padding:0 4px 22px;font-size:14.5px;color:var(--ink-soft);line-height:1.86;max-width:94%;}

  /* ---------- book / cta ---------- */
  .book-band{background:var(--tea-dark);padding:80px 0;position:relative;overflow:hidden;}
  .book-band::after{
    content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
    border-radius:50%;background:radial-gradient(circle,rgba(200,155,60,.16),transparent 68%);
  }
  .book-grid{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start;}
  .book-left h2{color:#FBF7EE;font-size:30px;}
  .book-left p{color:rgba(243,233,214,.78);font-size:15px;line-height:1.88;margin-top:16px;}
  .book-points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
  .book-points li{display:flex;gap:10px;align-items:flex-start;color:rgba(243,233,214,.82);font-size:14px;}
  .book-points li b{color:var(--amber);font-weight:700;}
  .form-card{
    background:#FBF7EE;border-radius:var(--r-lg);padding:30px;
    border:1px solid rgba(220,213,198,.9);
    box-shadow:0 24px 60px -26px rgba(0,0,0,.55);
  }
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13px;color:var(--ink-soft);margin-bottom:7px;font-weight:600;}
  .field input,.field select,.field textarea{
    width:100%;padding:11px 14px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:#fff;color:var(--ink);
    font-size:14.5px;font-family:inherit;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field input::placeholder,.field textarea::placeholder{color:#a8b0a8;}
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:var(--amber);box-shadow:0 0 0 3px rgba(200,155,60,.16);outline:none;
  }
  .field textarea{resize:vertical;min-height:96px;}
  .form-card .btn{width:100%;margin-top:6px;}
  .privacy-note{font-size:12px;color:var(--ink-mute);margin-top:14px;text-align:center;line-height:1.7;}

  /* ---------- footer ---------- */
  .site-foot{background:var(--tea-dark);color:rgba(243,233,214,.78);padding:64px 0 0;}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
  .foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
  .foot-brand .brand-mark{background:rgba(243,233,214,.1);box-shadow:inset 0 0 0 1px rgba(200,155,60,.5);}
  .foot-brand strong{font-family:"Noto Serif SC",serif;color:#FBF7EE;font-size:16.5px;}
  .foot-desc{font-size:13.5px;line-height:1.86;color:rgba(243,233,214,.62);max-width:340px;}
  .foot-col h4{font-family:"Noto Serif SC",serif;font-size:15px;color:#FBF7EE;margin-bottom:16px;}
  .foot-col ul{display:flex;flex-direction:column;gap:10px;}
  .foot-col a,.foot-col span{font-size:13.5px;color:rgba(243,233,214,.66);transition:color .2s ease;}
  .foot-col a:hover{color:var(--amber);}
  .foot-bottom{
    border-top:1px solid rgba(243,233,214,.14);
    padding:22px 0 26px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    font-size:12.5px;color:rgba(243,233,214,.5);
  }
  .foot-bottom .kw{max-width:640px;line-height:1.8;}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .hero h1{font-size:34px;}
    .hero-grid{grid-template-columns:1fr;gap:38px;}
    .hero-card{max-width:520px;}
    .atlas-grid{grid-template-columns:repeat(2,1fr);}
    .atlas-card.wide{grid-column:span 2;flex-direction:column;align-items:flex-start;}
    .data-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
    .nearby-grid{grid-template-columns:1fr;}
    .praise-grid{grid-template-columns:1fr;gap:18px;}
    .praise-card:nth-child(2){transform:none;}
    .praise-card:nth-child(2):hover{transform:translateY(-3px);}
    .guard-grid{grid-template-columns:repeat(2,1fr);}
    .flow-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
    .flow-step:nth-child(2)::after{display:none;}
    .join-grid{grid-template-columns:1fr;gap:36px;}
    .news-grid{grid-template-columns:repeat(2,1fr);}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .book-grid{grid-template-columns:1fr;gap:36px;}
    .topic-wrap{grid-template-columns:1fr;gap:22px;}
    .tag-col{flex-direction:row;overflow-x:auto;padding-bottom:4px;}
    .tag-col .tag-label{display:none;}
  }
  @media (max-width:860px){
    .main-nav{
      position:absolute;top:100%;left:0;right:0;
      flex-direction:column;align-items:flex-start;gap:0;
      background:var(--paper);padding:8px 20px 18px;
      border-bottom:1px solid var(--line);
      box-shadow:var(--shadow);display:none;
    }
    .main-nav.open{display:flex;}
    .main-nav .nav-link{padding:13px 0;width:100%;border-bottom:1px solid rgba(220,213,198,.6);}
    .main-nav .nav-link::after{display:none;}
    .burger{display:inline-flex;}
    .head-cta{display:none;}
  }
  @media (max-width:768px){
    .sec{padding:52px 0;}
    .h2{font-size:24px;}
    .hero-inner{padding:26px 20px 54px;}
    .hero h1{font-size:29px;}
    .hero-sub{font-size:15px;}
    .hero-stats{gap:18px;}
    .atlas-grid{grid-template-columns:1fr;}
    .atlas-card.wide{grid-column:span 1;}
    .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
    .wall-item.big{grid-column:span 2;grid-row:span 1;}
    .news-grid{grid-template-columns:1fr;}
    .guard-grid{grid-template-columns:1fr;}
    .flow-grid{grid-template-columns:1fr;gap:26px;}
    .flow-step::after{display:none;}
    .topic-row{grid-template-columns:34px 1fr;gap:12px;}
    .topic-meta{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;}
    .data-grid .d-num{font-size:32px;}
    .foot-grid{grid-template-columns:1fr;gap:28px;}
    .foot-bottom{flex-direction:column;align-items:flex-start;}
    .brand-text strong{font-size:15px;}
    .brand-text small{display:none;}
    .form-card{padding:22px;}
  }
  @media (max-width:520px){
    .hero h1{font-size:26px;}
    .hero-btns .btn{width:100%;}
    .ticker{padding:7px 14px;font-size:12.5px;}
    .data-grid{grid-template-columns:1fr 1fr;}
    .news-body{padding:16px;}
  }

/* roulang page: article */
:root{
  --tea:#1F4A3D; --tea-dark:#163a30; --tea-soft:#2c6252;
  --ochre:#A9744B; --amber:#C89B3C; --plum:#8C3B2E;
  --paper:#F7F3EA; --paper-band:#EFE9DC; --paper-card:#FFFFFF;
  --ink:#16211D; --ink-soft:#4A574F; --ink-mute:#78837B;
  --line:#DCD5C6;
  --r-card:14px; --r-lg:20px; --r-btn:10px; --r-pill:999px;
  --shadow:0 1px 2px rgba(22,33,29,.06), 0 8px 24px -12px rgba(22,33,29,.18);
  --shadow-hover:0 2px 6px rgba(22,33,29,.09), 0 18px 38px -16px rgba(22,33,29,.28);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(31,74,61,.045) 1px, transparent 1px);
  background-size:24px 24px;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.25em;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;
}
/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-head.is-scrolled{box-shadow:0 6px 20px -12px rgba(22,33,29,.35);}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;padding-top:10px;padding-bottom:10px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--tea);color:#F3E9D6;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-size:20px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(200,155,60,.55);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text small{font-size:11.5px;color:var(--ink-mute);letter-spacing:.06em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;font-weight:500;
  color:var(--ink-soft);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--tea);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--tea);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.head-actions{display:flex;align-items:center;gap:12px;}
.head-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--tea);color:#fff;font-size:14px;font-weight:600;
  padding:10px 20px;border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:var(--shadow);
}
.head-cta:hover{background:var(--tea-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.head-cta:active{transform:translateY(0);}
.burger{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--tea);
  cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.burger:hover{border-color:var(--amber);color:var(--tea-dark);}
.burger svg{width:20px;height:20px;}
/* ---------- pill bar ---------- */
.pill-bar{background:#FBF8F1;border-bottom:1px solid var(--line);padding:14px 0;}
.pill-scroll{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.pill-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:none;display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-soft);white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.pill:hover{border-color:var(--amber);color:var(--tea);transform:translateY(-1px);}
.pill.is-active{background:var(--tea);border-color:var(--tea);color:#fff;font-weight:600;}
.pill.is-active:hover{background:var(--tea-dark);color:#fff;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--tea);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--tea-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ochre);color:var(--ochre);}
.btn-ghost:hover{background:rgba(169,116,75,.1);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--tea);border-color:#fff;}
.btn-light:hover{background:#F3E9D6;transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(243,233,214,.45);color:#F3E9D6;}
.btn-outline-light:hover{background:rgba(243,233,214,.12);border-color:rgba(243,233,214,.75);transform:translateY(-1px);}
/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-mute);padding:22px 0 0;
}
.crumb a{color:var(--ink-soft);transition:color .2s ease;}
.crumb a:hover{color:var(--ochre);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--ink);font-weight:600;}
/* ---------- layout ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:48px;
  align-items:start;padding:20px 0 66px;
}
.article-main{min-width:0;}
/* ---------- article head ---------- */
.article-head{padding-bottom:6px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.1em;color:var(--ochre);
  margin-bottom:14px;
}
.kicker::before{content:"";width:24px;height:1px;background:var(--ochre);}
.article-head h1{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:35px;line-height:1.42;font-weight:700;color:var(--ink);letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;padding:14px 0;
  border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);
  font-size:13.5px;color:var(--ink-mute);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-tea{background:rgba(31,74,61,.1);color:var(--tea);}
.badge-ochre{background:rgba(169,116,75,.13);color:#8a5b38;}
.badge-amber{background:rgba(200,155,60,.16);color:#8a6a1f;}
.badge-plum{background:rgba(140,59,46,.12);color:var(--plum);}
/* ---------- prose ---------- */
.prose{max-width:760px;padding-top:26px;font-size:16px;line-height:1.85;color:var(--ink-soft);}
.prose > *:first-child{margin-top:0;}
.prose p{margin:18px 0;}
.prose h2{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:26px;line-height:1.5;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--ochre);
  scroll-margin-top:96px;
}
.prose h3{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:20px;line-height:1.6;font-weight:700;color:var(--ink);
  margin:30px 0 12px;
}
.prose h4{font-size:17px;font-weight:700;color:var(--ink);margin:24px 0 10px;}
.prose a{color:var(--tea);border-bottom:1px solid rgba(31,74,61,.35);transition:color .2s ease,border-color .2s ease;}
.prose a:hover{color:var(--ochre);border-color:var(--ochre);}
.prose ul,.prose ol{margin:18px 0;padding-left:1.35em;}
.prose li{margin:8px 0;}
.prose ul li::marker{color:var(--ochre);}
.prose ol li::marker{color:var(--tea);font-weight:700;}
.prose img{border-radius:var(--r-card);margin:26px auto;box-shadow:var(--shadow);}
.prose figure{margin:26px 0;}
.prose figcaption,.prose .caption{
  font-size:13px;color:var(--ink-mute);text-align:center;margin-top:10px;
}
.prose blockquote{
  margin:26px 0;padding:16px 22px;
  background:var(--paper-band);border-left:4px solid var(--tea);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--ink-soft);font-size:15.5px;
}
.prose blockquote p{margin:6px 0;}
.prose hr{border:none;border-top:1px dashed var(--line);margin:32px 0;}
.prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.prose th{background:var(--paper-band);color:var(--ink);font-weight:600;}
.prose tbody tr:nth-child(even){background:rgba(239,233,220,.45);}
.prose code{
  background:var(--paper-band);padding:2px 6px;border-radius:6px;
  font-size:14px;color:#7a4a2c;
}
/* ---------- empty ---------- */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow);margin-top:28px;
}
.empty-state h2{font-family:"Noto Serif SC",serif;font-size:24px;color:var(--ink);margin-bottom:12px;}
.empty-state p{font-size:15px;color:var(--ink-soft);max-width:440px;margin:0 auto 22px;}
/* ---------- tags & share ---------- */
.tag-share{
  max-width:760px;margin-top:40px;padding:24px 0 0;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--ink-soft);
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--amber);color:var(--tea);}
.share-group{display:flex;align-items:center;gap:10px;}
.share-label{font-size:12.5px;color:var(--ink-mute);}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.share-btn:hover{border-color:var(--tea);color:var(--tea);transform:translateY(-1px);}
.share-btn.is-done{background:var(--tea);border-color:var(--tea);color:#fff;}
.share-btn svg{width:15px;height:15px;}
/* ---------- prev next ---------- */
.post-nav{
  max-width:760px;margin-top:36px;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.post-nav a{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.post-nav a:hover{border-color:var(--amber);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.post-nav .dir{font-size:12.5px;color:var(--ochre);letter-spacing:.05em;}
.post-nav strong{display:block;font-size:15px;color:var(--ink);margin-top:6px;line-height:1.6;}
.post-nav .is-next{text-align:right;}
/* ---------- sidebar ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow);
}
.side-card h3{
  font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;color:var(--ink);
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--amber);}
#tocList{display:flex;flex-direction:column;gap:2px;}
#tocList a{
  display:block;font-size:13.5px;color:var(--ink-soft);line-height:1.65;
  padding:7px 10px;border-radius:8px;border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
#tocList a:hover{background:var(--paper-band);color:var(--tea);border-left-color:var(--amber);}
.hot-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.hot-list li{display:flex;gap:10px;align-items:flex-start;}
.hot-list .num{
  flex:none;width:20px;height:20px;border-radius:6px;
  background:var(--paper-band);color:var(--ochre);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.hot-list li:nth-child(-n+3) .num{background:rgba(200,155,60,.18);color:#8a6a1f;}
.hot-list a{font-size:13.5px;line-height:1.62;color:var(--ink-soft);transition:color .2s ease;}
.hot-list a:hover{color:var(--tea);text-decoration:underline;text-underline-offset:3px;}
.side-note{
  background:linear-gradient(180deg,#F3EBDD 0%,#FBF8F1 100%);
  border:1px solid rgba(169,116,75,.28);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow);
}
.side-note h3{font-family:"Noto Serif SC",serif;font-size:16px;color:var(--tea);margin-bottom:10px;}
.side-note p{font-size:13.5px;line-height:1.75;color:var(--ink-soft);margin-bottom:16px;}
.side-note .btn{width:100%;padding:10px 16px;font-size:14px;}
/* ---------- recommend ---------- */
.section{padding:64px 0;}
.section-band{background:var(--paper-band);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:32px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  color:var(--ochre);margin-bottom:10px;
}
.sec-head .eyebrow::before{content:"";width:24px;height:1px;background:var(--ochre);}
.sec-head h2{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:27px;line-height:1.45;font-weight:700;color:var(--ink);
}
.sec-head p{font-size:14.5px;color:var(--ink-mute);margin-top:10px;max-width:640px;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
.rec-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-band);}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rec-card:hover .thumb img{transform:scale(1.05);}
.rec-card .thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--tea);}
.rec-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--ink);}
.rec-body p{font-size:14px;line-height:1.75;color:var(--ink-mute);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body .meta{margin-top:auto;font-size:12.5px;color:var(--ink-mute);display:flex;justify-content:space-between;align-items:center;}
.rec-body .meta .arrow{color:var(--ochre);transition:transform .25s ease;}
.rec-card:hover .meta .arrow{transform:translateX(4px);}
/* ---------- back bar ---------- */
.back-bar{padding:0 0 64px;}
.back-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 28px;box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.back-inner .txt strong{display:block;font-family:"Noto Serif SC",serif;font-size:18px;color:var(--ink);}
.back-inner .txt span{font-size:13.5px;color:var(--ink-mute);}
.back-links{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- join band ---------- */
.join-band{background:var(--tea-dark);position:relative;overflow:hidden;}
.join-band::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/4524821ba333d405.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.join-inner{
  position:relative;z-index:2;padding:58px 0;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.join-inner h2{
  font-family:"Noto Serif SC",serif;font-size:28px;line-height:1.5;color:#FBF7EE;font-weight:700;
}
.join-inner h2 em{font-style:normal;color:var(--amber);}
.join-inner p{color:rgba(243,233,214,.82);font-size:15px;line-height:1.85;margin-top:14px;max-width:600px;}
.join-side{
  background:rgba(251,247,238,.08);border:1px solid rgba(243,233,214,.22);
  border-radius:var(--r-lg);padding:24px;
}
.join-side h3{font-family:"Noto Serif SC",serif;font-size:17px;color:#FBF7EE;margin-bottom:12px;}
.join-side ul{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-direction:column;gap:10px;}
.join-side li{font-size:14px;color:rgba(243,233,214,.85);display:flex;gap:10px;align-items:flex-start;}
.join-side li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);margin-top:9px;flex:none;}
.join-side .btn{width:100%;}
/* ---------- footer ---------- */
.site-foot{background:var(--tea-dark);color:rgba(243,233,214,.78);padding:60px 0 26px;}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:38px;border-bottom:1px solid rgba(243,233,214,.16);
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand strong{font-family:"Noto Serif SC",serif;font-size:17px;color:#FBF7EE;font-weight:700;}
.foot-desc{font-size:13.5px;line-height:1.85;color:rgba(243,233,214,.66);max-width:380px;}
.foot-col h4{
  font-family:"Noto Serif SC",serif;font-size:15px;color:#FBF7EE;
  margin-bottom:16px;font-weight:700;
}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.foot-col a,.foot-col span{font-size:13.5px;color:rgba(243,233,214,.7);transition:color .2s ease;}
.foot-col a:hover{color:var(--amber);}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:12.5px;color:rgba(243,233,214,.55);
}
.foot-bottom .kw{color:rgba(243,233,214,.45);}
/* ---------- responsive ---------- */
@media (max-width:1180px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:0;}
  .side{position:static;flex-direction:row;flex-wrap:wrap;margin-top:40px;}
  .side-card{flex:1 1 300px;}
  #tocList{display:none;}
  .side-card h3{border-bottom:none;padding-bottom:0;margin-bottom:0;}
}
@media (max-width:1024px){
  .brand-text small{display:none;}
  .main-nav{gap:22px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .join-inner{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#FBF8F1;border-bottom:1px solid var(--line);
    padding:8px 20px 18px;display:none;box-shadow:0 18px 30px -22px rgba(22,33,29,.5);
  }
  .main-nav.is-open{display:flex;}
  .main-nav .nav-link{padding:12px 4px;border-bottom:1px dashed var(--line);}
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.is-active{color:var(--ochre);}
  .burger{display:inline-flex;}
  .head-cta{padding:9px 16px;font-size:13px;}
  .article-head h1{font-size:30px;}
  .prose h2{font-size:23px;}
  .prose h3{font-size:19px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .sec-head h2{font-size:23px;}
  .article-wrap{padding-bottom:48px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .is-next{text-align:left;}
  .back-inner{padding:20px;flex-direction:column;align-items:flex-start;}
  .join-inner h2{font-size:24px;}
  .foot-bottom{flex-direction:column;}
}
@media (max-width:560px){
  .brand-text strong{font-size:15px;}
  .brand-mark{width:36px;height:36px;font-size:18px;border-radius:10px;}
  .rec-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:26px;line-height:1.45;}
  .article-meta{font-size:12.5px;gap:8px 12px;}
  .prose{font-size:15.5px;}
  .prose h2{font-size:21px;margin-top:32px;}
  .tag-share{flex-direction:column;align-items:flex-start;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .join-side{padding:20px;}
  .pill{font-size:13px;padding:7px 14px;}
}

/* roulang page: category1 */
:root{
  --tea:#1F4A3D; --tea-dark:#163a30; --tea-soft:#2c6252;
  --ochre:#A9744B; --amber:#C89B3C; --plum:#8C3B2E;
  --paper:#F7F3EA; --paper-band:#EFE9DC; --paper-card:#FFFFFF;
  --ink:#16211D; --ink-soft:#4A574F; --ink-mute:#78837B;
  --line:#DCD5C6;
  --r-card:14px; --r-lg:20px; --r-btn:10px; --r-pill:999px;
  --shadow:0 1px 2px rgba(22,33,29,.06), 0 8px 24px -12px rgba(22,33,29,.18);
  --shadow-hover:0 2px 6px rgba(22,33,29,.09), 0 18px 38px -16px rgba(22,33,29,.28);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(31,74,61,.045) 1px, transparent 1px);
  background-size:24px 24px;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
select,input,textarea{font-family:inherit;font-size:14px;}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;line-height:1.4;font-weight:700;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-head.is-scrolled{box-shadow:0 10px 28px -18px rgba(22,33,29,.45);}
.head-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--tea);color:#F3E9D6;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-size:20px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(200,155,60,.55);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text small{font-size:11.5px;color:var(--ink-mute);letter-spacing:.06em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;font-weight:500;
  color:var(--ink-soft);transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--tea);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--tea);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.head-actions{display:flex;align-items:center;gap:12px;}
.head-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--tea);color:#fff;font-size:14px;font-weight:600;
  padding:10px 20px;border-radius:var(--r-btn);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:var(--shadow);white-space:nowrap;
}
.head-cta:hover{background:var(--tea-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.head-cta:active{transform:translateY(0);}
.burger{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;cursor:pointer;
  background:#fff;border:1px solid var(--line);color:var(--tea);
  transition:background .2s ease,border-color .2s ease;
}
.burger:hover{background:var(--paper-band);border-color:var(--amber);}
.burger svg{width:22px;height:22px;}
.nav-mask{
  position:fixed;inset:0;background:rgba(22,33,29,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- buttons & badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--tea);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--tea-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-ghost{background:transparent;border-color:var(--ochre);color:var(--ochre);}
.btn-ghost:hover{background:rgba(169,116,75,.1);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--tea);border-color:#fff;}
.btn-light:hover{background:#F3E9D6;transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(243,233,214,.45);color:#F3E9D6;}
.btn-outline-light:hover{background:rgba(243,233,214,.12);border-color:rgba(243,233,214,.75);transform:translateY(-1px);}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;line-height:1.6;
  padding:2px 10px;border-radius:var(--r-pill);
  background:rgba(169,116,75,.12);color:#8a5a34;border:1px solid rgba(169,116,75,.28);
  white-space:nowrap;
}
.badge-amber{background:rgba(200,155,60,.16);color:#8a6a1f;border-color:rgba(200,155,60,.35);}
.badge-plum{background:rgba(140,59,46,.1);color:var(--plum);border-color:rgba(140,59,46,.28);}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;color:var(--ink-soft);
  background:#FBF7EE;border:1px solid var(--line);
  padding:4px 12px;border-radius:var(--r-pill);
}

/* ---------- category head ---------- */
.cat-head{position:relative;overflow:hidden;background:var(--tea-dark);}
.cat-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/4524821ba333d405.webp');
  background-size:cover;background-position:center;
  transform:scale(1.03);
}
.cat-head-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,34,28,.96) 0%,rgba(16,34,28,.9) 52%,rgba(16,34,28,.68) 100%);
}
.cat-head-inner{position:relative;z-index:2;padding-top:22px;padding-bottom:34px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(243,233,214,.62);}
.crumbs a{color:rgba(243,233,214,.82);transition:color .2s ease;}
.crumbs a:hover{color:var(--amber);}
.crumbs span.sep{color:rgba(243,233,214,.35);}
.cat-head-top{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:40px;align-items:end;margin-top:22px;
}
.cat-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--amber);margin-bottom:12px;
}
.cat-eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);}
.cat-head h1{
  color:#FBF7EE;font-size:36px;line-height:1.34;letter-spacing:.01em;
}
.cat-head h1 em{font-style:normal;color:var(--amber);}
.cat-lead{
  margin-top:16px;max-width:660px;
  font-size:15px;line-height:1.9;color:rgba(243,233,214,.82);
}
.cat-tools{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:13px;line-height:1;padding:9px 15px;border-radius:var(--r-pill);
  background:rgba(243,233,214,.08);border:1px solid rgba(243,233,214,.3);
  color:rgba(243,233,214,.85);cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--amber);color:#fff;transform:translateY(-1px);}
.chip.is-active{background:var(--tea);border-color:var(--amber);color:#fff;font-weight:600;}
.sort-wrap{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(243,233,214,.7);}
.sort-wrap select{
  background:rgba(255,255,255,.1);color:#F7F3EA;
  border:1px solid rgba(243,233,214,.35);border-radius:10px;
  padding:9px 12px;font-size:13px;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.sort-wrap select:hover{border-color:var(--amber);background:rgba(255,255,255,.16);}
.sort-wrap option{color:#16211D;background:#fff;}

/* ---------- sections ---------- */
.sec{padding:64px 0;}
.sec-band{background:var(--paper-band);}
.sec-white{background:#fff;}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--ochre);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:24px;height:1px;background:var(--ochre);}
.sec-head.center .sec-kicker::after{content:"";width:24px;height:1px;background:var(--ochre);}
.sec-title{font-size:28px;color:var(--ink);line-height:1.42;}
.sec-desc{margin-top:12px;font-size:15px;color:var(--ink-soft);line-height:1.85;}

/* ---------- overview cards ---------- */
.overview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.overview-card{
  background:var(--paper-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.overview-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
.ov-num{
  font-family:"Noto Serif SC",serif;font-size:30px;font-weight:700;
  color:var(--tea);line-height:1.2;font-variant-numeric:tabular-nums;
}
.ov-num small{font-size:14px;font-family:"PingFang SC",sans-serif;color:var(--ink-mute);margin-left:4px;font-weight:400;}
.ov-label{font-size:14px;font-weight:600;color:var(--ink);margin-top:10px;}
.ov-desc{font-size:13.5px;color:var(--ink-soft);margin-top:6px;line-height:1.75;}
.ov-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}

/* ---------- atlas list ---------- */
.atlas-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.atlas-card{
  background:var(--paper-card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.atlas-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
.atlas-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-band);}
.atlas-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.atlas-card:hover .atlas-media img{transform:scale(1.04);}
.atlas-media .badge{position:absolute;left:12px;top:12px;background:rgba(247,243,234,.94);border-color:rgba(220,213,198,.9);}
.atlas-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.atlas-body h3{font-size:18px;line-height:1.5;color:var(--ink);}
.atlas-body p{
  margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.atlas-meta{
  margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--ink-mute);font-variant-numeric:tabular-nums;
}
.more-row{display:flex;justify-content:center;margin-top:36px;}

/* ---------- rank list ---------- */
.rank-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.rank-item{
  display:grid;grid-template-columns:52px minmax(0,1fr) auto auto;
  gap:16px;align-items:center;
  padding:18px 24px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:var(--paper-band);}
.rank-no{
  font-family:"Noto Serif SC",serif;font-size:22px;font-weight:700;
  color:var(--amber);font-variant-numeric:tabular-nums;
}
.rank-title{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;}
.rank-sub{font-size:12.5px;color:var(--ink-mute);margin-top:2px;}
.rank-count{font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- topic cards ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-hover);}
.topic-top{height:6px;background:var(--ochre);}
.topic-top.t2{background:var(--amber);}
.topic-top.t3{background:var(--tea-soft);}
.topic-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.topic-body h3{font-size:18px;color:var(--ink);}
.topic-count{font-size:12.5px;color:var(--ochre);margin-top:6px;font-variant-numeric:tabular-nums;}
.topic-body p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin-top:10px;flex:1;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:600;color:var(--tea);
  transition:color .2s ease,gap .2s ease;
}
.text-link::after{content:"→";transition:transform .2s ease;}
.text-link:hover{color:var(--ochre);}
.text-link:hover::after{transform:translateX(3px);}

/* ---------- flow ---------- */
.flow{position:relative;max-width:860px;margin:0 auto;}
.flow::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;
  width:2px;background:linear-gradient(180deg,var(--ochre),var(--line));
}
.flow-step{position:relative;padding:0 0 30px 74px;}
.flow-step:last-child{padding-bottom:0;}
.flow-no{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--ochre);color:var(--ochre);
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-size:19px;font-weight:700;
  box-shadow:var(--shadow);font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;color:var(--ink);}
.flow-step p{font-size:14.5px;color:var(--ink-soft);line-height:1.85;margin-top:6px;max-width:640px;}

/* ---------- join / qr ---------- */
.join-sec{background:var(--tea);color:#F3E9D6;padding:70px 0;}
.join-wrap{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:center;}
.qr-box{
  aspect-ratio:1/1;background:#fff;border-radius:var(--r-card);
  border:1px dashed rgba(31,74,61,.45);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  text-align:center;padding:24px;box-shadow:0 20px 44px -22px rgba(0,0,0,.55);
}
.qr-box .qr-icon{
  width:64px;height:64px;border-radius:14px;background:rgba(31,74,61,.08);
  display:flex;align-items:center;justify-content:center;color:var(--tea);
}
.qr-box .qr-icon svg{width:34px;height:34px;}
.qr-box strong{font-size:15px;color:var(--tea);font-family:"Noto Serif SC",serif;}
.qr-box span{font-size:12.5px;color:var(--ink-mute);line-height:1.7;}
.join-side h2{font-size:28px;color:#FBF7EE;line-height:1.42;}
.join-side .join-sub{margin-top:12px;font-size:15px;color:rgba(243,233,214,.8);line-height:1.85;max-width:600px;}
.join-steps{display:grid;gap:14px;margin-top:24px;}
.join-step{display:flex;gap:12px;align-items:flex-start;}
.join-step .idx{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(200,155,60,.18);border:1px solid rgba(200,155,60,.6);
  color:var(--amber);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.join-step p{font-size:14.5px;color:rgba(243,233,214,.88);line-height:1.8;}
.warn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.warn{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:#F3E9D6;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(140,59,46,.28);border:1px solid rgba(140,59,46,.75);
}
.join-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--amber);}
.faq-item[open]{border-color:var(--amber);box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15.5px;font-weight:600;color:var(--ink);font-family:"Noto Serif SC",serif;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ico{
  flex:none;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);color:var(--ochre);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item[open] summary .ico{transform:rotate(180deg);border-color:var(--amber);background:rgba(200,155,60,.14);}
.faq-answer{
  padding:0 22px 20px;font-size:14.5px;line-height:1.9;color:var(--ink-soft);
  border-top:1px dashed var(--line);padding-top:14px;margin:0 22px 20px;padding-left:0;padding-right:0;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--paper-band);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:44px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;}
.cta-inner h2{font-size:24px;color:var(--ink);line-height:1.45;}
.cta-inner p{font-size:14.5px;color:var(--ink-soft);margin-top:8px;max-width:620px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-foot{background:var(--tea);color:rgba(243,233,214,.82);padding:56px 0 26px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.foot-brand strong{font-family:"Noto Serif SC",serif;font-size:17px;color:#FBF7EE;}
.foot-desc{font-size:13.5px;line-height:1.9;color:rgba(243,233,214,.72);max-width:340px;}
.foot-col h4{font-size:14.5px;color:#FBF7EE;margin-bottom:14px;font-family:"Noto Serif SC",serif;}
.foot-col ul{display:grid;gap:10px;}
.foot-col li{font-size:13.5px;line-height:1.7;color:rgba(243,233,214,.72);}
.foot-col a{color:rgba(243,233,214,.82);transition:color .2s ease;}
.foot-col a:hover{color:var(--amber);}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(243,233,214,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(243,233,214,.6);
}
.foot-bottom .kw{max-width:760px;line-height:1.8;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .atlas-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-head-top{grid-template-columns:minmax(0,1fr);gap:26px;align-items:start;}
  .cat-tools{align-items:flex-start;}
  .join-wrap{grid-template-columns:240px minmax(0,1fr);gap:34px;}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);
    background:var(--paper);flex-direction:column;align-items:flex-start;gap:4px;
    padding:92px 24px 32px;transform:translateX(106%);
    transition:transform .3s ease;z-index:80;
    border-left:1px solid var(--line);
    box-shadow:-24px 0 60px rgba(22,33,29,.22);
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{width:100%;padding:14px 0;font-size:16px;border-bottom:1px dashed var(--line);}
  .main-nav .nav-link::after{display:none;}
  .burger{display:inline-flex;}
  .head-cta{display:none;}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .sec{padding:52px 0;}
  .join-sec{padding:54px 0;}
  .cat-head h1{font-size:30px;}
  .sec-title{font-size:24px;}
  .join-side h2{font-size:24px;}
  .cta-inner h2{font-size:21px;}
}
@media (max-width:760px){
  .overview-grid{grid-template-columns:1fr;}
  .atlas-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .join-wrap{grid-template-columns:1fr;gap:28px;}
  .qr-box{max-width:280px;margin:0 auto;}
  .rank-item{grid-template-columns:38px minmax(0,1fr);gap:10px 12px;padding:16px 18px;}
  .rank-count{grid-column:2;font-size:12.5px;}
  .rank-no{font-size:19px;}
  .brand-text strong{font-size:15px;}
  .brand-text small{display:none;}
  .cat-head h1{font-size:26px;}
  .cat-lead{font-size:14px;}
  .flow-step{padding-left:64px;}
  .flow::before{left:20px;}
  .flow-no{width:42px;height:42px;font-size:17px;}
}
@media (max-width:520px){
  .sec{padding:44px 0;}
  .head-inner{min-height:66px;gap:12px;}
  .brand-mark{width:36px;height:36px;font-size:18px;border-radius:10px;}
  .brand-text strong{font-size:14px;}
  .cat-head-inner{padding-top:18px;padding-bottom:26px;}
  .cat-head h1{font-size:23px;line-height:1.4;}
  .sec-title{font-size:21px;}
  .atlas-body h3{font-size:16.5px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{font-size:12px;}
  .cta-actions .btn,.join-actions .btn{width:100%;}
}