/* roulang page: index */
:root{
    --brand:#1F6B5A;
    --brand-dark:#143F35;
    --brand-light:#E8F1EE;
    --accent:#D97706;
    --accent-light:#FFF4E0;
    --danger:#B23A2E;
    --bg:#F8F5EF;
    --surface:#FFFFFF;
    --border:#E6DFD3;
    --text:#1C1C1C;
    --muted:#5B5B52;
    --inverse:#F8F5EF;
    --radius-btn:12px;
    --radius-card:18px;
    --radius-lg:24px;
    --shadow-1:0 8px 24px rgba(28,28,28,.06);
    --shadow-2:0 12px 32px rgba(28,28,28,.10);
    --maxw:1240px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
    font-size:17px;
    line-height:1.8;
    letter-spacing:.02em;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Noto Serif SC','Songti SC','SimSun',serif;
    font-weight:700;
    letter-spacing:.01em;
    color:var(--text);
    margin:0;
    line-height:1.35;
  }
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;cursor:pointer;}
  input{font-family:inherit;}
  :focus-visible{outline:2px solid rgba(31,107,90,.45);outline-offset:2px;border-radius:6px;}
  .container-x{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){ .container-x{padding-left:32px;padding-right:32px;} }

  .no-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  /* ---------- 双层导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(248,245,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
  .topline{display:flex;align-items:center;gap:16px;min-height:68px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:var(--inverse);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:0;box-shadow:var(--shadow-1);}
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-title{font-family:'Noto Serif SC','Songti SC',serif;font-size:17px;font-weight:700;color:var(--brand-dark);}
  .brand-sub{font-size:12px;color:var(--muted);letter-spacing:.06em;}
  .search-wrap{position:relative;flex:1;max-width:420px;}
  .search-wrap input{width:100%;height:44px;border-radius:999px;border:1px solid var(--border);background:var(--surface);padding:0 16px 0 42px;font-size:14px;color:var(--text);transition:border-color .2s,box-shadow .2s;}
  .search-wrap input::placeholder{color:#9a9689;}
  .search-wrap input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,107,90,.14);outline:none;}
  .search-wrap .search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--brand);font-size:14px;}
  .nav-cta{height:44px;padding:0 20px;border-radius:var(--radius-btn);background:var(--brand);color:var(--inverse);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--brand);transition:background .2s,transform .15s,box-shadow .2s;box-shadow:var(--shadow-1);}
  .nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .nav-cta:active{transform:translateY(0);}

  .channelline{border-top:1px dashed rgba(230,223,211,.9);}
  .channelline-inner{display:flex;gap:10px;align-items:center;overflow-x:auto;padding:10px 0;scroll-margin-top:140px;}
  .chan{flex-shrink:0;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--brand);background:var(--surface);border:1px solid rgba(31,107,90,.32);transition:background .2s,color .2s,border-color .2s,transform .15s;white-space:nowrap;}
  .chan:hover{background:var(--brand-light);transform:translateY(-1px);}
  .chan.active{background:var(--brand);border-color:var(--brand);color:var(--inverse);}
  .chan.active:hover{background:var(--brand-dark);}

  .menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--brand-dark);align-items:center;justify-content:center;}
  @media (max-width:900px){
    .search-wrap{display:none;}
    .nav-cta.desk-cta{display:none;}
    .menu-btn{display:inline-flex;margin-left:auto;}
  }

  .drawer{position:fixed;inset:0;z-index:90;display:none;}
  .drawer.open{display:block;}
  .drawer-mask{position:absolute;inset:0;background:rgba(20,63,53,.42);}
  .drawer-panel{position:absolute;top:0;right:0;width:min(340px,86vw);height:100%;background:var(--surface);padding:24px 22px 40px;overflow-y:auto;box-shadow:-12px 0 40px rgba(28,28,28,.18);}
  .drawer-link{display:block;padding:13px 14px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--brand-dark);border:1px solid transparent;transition:background .2s,border-color .2s;}
  .drawer-link:hover{background:var(--brand-light);border-color:rgba(31,107,90,.22);}
  .drawer-link.active{background:var(--brand);color:var(--inverse);}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;border-radius:0 0 var(--radius-lg) var(--radius-lg);}
  .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;transform:scale(1.02);}
  .hero-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(20,63,53,.94) 0%,rgba(20,63,53,.86) 42%,rgba(31,107,90,.72) 100%);}
  .hero-inner{position:relative;padding:72px 0 64px;}
  @media (min-width:1024px){ .hero-inner{padding:104px 0 92px;} }
  .hero h1{font-size:30px;color:var(--inverse);max-width:760px;}
  @media (min-width:768px){ .hero h1{font-size:38px;} }
  @media (min-width:1024px){ .hero h1{font-size:44px;} }
  .hero-lead{margin-top:18px;max-width:640px;color:rgba(248,245,239,.88);font-size:17px;line-height:1.85;}
  .hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
  .btn-primary{height:50px;padding:0 26px;border-radius:var(--radius-btn);background:var(--accent);color:#fff;font-size:16px;font-weight:700;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--accent);transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 10px 26px rgba(217,119,6,.32);}
  .btn-primary:hover{background:#b96405;transform:translateY(-1px);box-shadow:0 14px 30px rgba(217,119,6,.38);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{height:50px;padding:0 24px;border-radius:var(--radius-btn);background:rgba(248,245,239,.10);color:var(--inverse);font-size:16px;font-weight:600;display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(248,245,239,.55);transition:background .2s,border-color .2s,transform .15s;}
  .btn-ghost:hover{background:rgba(248,245,239,.2);border-color:var(--inverse);transform:translateY(-1px);}
  .trust-strip{margin-top:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:760px;}
  @media (min-width:768px){ .trust-strip{grid-template-columns:repeat(4,minmax(0,1fr));} }
  .trust-cell{background:rgba(248,245,239,.12);border:1px solid rgba(248,245,239,.24);border-radius:14px;padding:14px 16px;}
  .trust-cell b{display:block;color:var(--inverse);font-size:20px;font-family:'Noto Serif SC','Songti SC',serif;}
  .trust-cell span{color:rgba(248,245,239,.78);font-size:13px;}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);background:var(--accent-light);border-radius:999px;padding:6px 14px;}
  .section-title{font-size:26px;margin-top:16px;}
  @media (min-width:768px){ .section-title{font-size:32px;} }
  .section-sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:680px;}

  .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s;}
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(31,107,90,.3);}
  .badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--brand-light);color:var(--brand-dark);}
  .badge-amber{background:var(--accent-light);color:var(--accent);}
  .badge-outline{background:transparent;border:1px solid var(--border);color:var(--muted);}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand);transition:gap .2s,color .2s;}
  .link-arrow:hover{gap:10px;color:var(--brand-dark);}

  .story-node{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-1);}
  .story-num{font-family:'Noto Serif SC','Songti SC',serif;font-size:26px;color:var(--brand);opacity:.5;font-weight:700;}

  .metric-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-1);}
  .metric-tile b{display:block;font-family:'Noto Serif SC','Songti SC',serif;font-size:30px;color:var(--brand-dark);line-height:1.2;}
  .metric-tile span{display:block;margin-top:8px;color:var(--muted);font-size:14.5px;}

  .quote-card{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--brand);border-radius:14px;padding:22px 24px;box-shadow:var(--shadow-1);}
  .quote-card p{color:var(--text);font-size:15.5px;line-height:1.85;}
  .quote-card .who{margin-top:14px;font-size:13.5px;color:var(--muted);}

  .logo-wall{display:flex;flex-wrap:wrap;gap:12px;}
  .logo-chip{border:1px dashed rgba(31,107,90,.34);border-radius:12px;padding:12px 18px;font-size:14px;font-weight:600;color:var(--brand-dark);background:var(--surface);}

  /* ---------- 列表项 ---------- */
  .post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s;}
  .post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,107,90,.3);}
  .post-card h3{font-size:19px;margin-top:14px;}
  .post-card p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .post-meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);}

  .empty-state{grid-column:1/-1;text-align:center;padding:44px 24px;border:1px dashed rgba(31,107,90,.34);border-radius:var(--radius-card);background:var(--brand-light);}
  .empty-state .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:16px;background:var(--surface);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:var(--shadow-1);}

  /* ---------- FAQ ---------- */
  .faq-item{border:1px solid var(--border);border-radius:14px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1);}
  .faq-item + .faq-item{margin-top:14px;}
  .faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--text);cursor:pointer;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid rgba(31,107,90,.35);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .25s,background .2s,color .2s;}
  .faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand);color:var(--inverse);border-color:var(--brand);}
  .faq-item .answer{padding:0 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;}

  /* ---------- 订阅 ---------- */
  .cta-band{background:linear-gradient(100deg,var(--brand-dark),var(--brand));border-radius:var(--radius-lg);padding:36px 28px;color:var(--inverse);box-shadow:var(--shadow-2);}
  @media (min-width:1024px){ .cta-band{padding:46px 48px;} }
  .cta-form{display:flex;flex-direction:column;gap:12px;}
  @media (min-width:640px){ .cta-form{flex-direction:row;} }
  .cta-form input{height:50px;flex:1;border-radius:var(--radius-btn);border:1px solid rgba(248,245,239,.5);background:rgba(255,255,255,.96);padding:0 18px;font-size:15px;color:var(--text);transition:border-color .2s,box-shadow .2s;}
  .cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,6,.22);}
  .cta-form button{height:50px;padding:0 26px;border-radius:var(--radius-btn);border:1px solid var(--accent);background:var(--accent);color:#fff;font-weight:700;font-size:15.5px;transition:background .2s,transform .15s;}
  .cta-form button:hover{background:#b96405;transform:translateY(-1px);}
  .form-msg{margin-top:12px;font-size:14px;display:none;}
  .form-msg.ok{display:block;color:#e6f4ee;}
  .form-msg.err{display:block;color:#ffd9cf;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-dark);color:var(--inverse);margin-top:72px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 34px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr;} }
  .footer-title{font-size:16px;color:var(--inverse);margin-bottom:16px;font-family:'Noto Serif SC','Songti SC',serif;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{color:rgba(248,245,239,.8);font-size:14.5px;transition:color .2s,padding-left .2s;}
  .footer-links a:hover{color:var(--accent);padding-left:4px;}
  .footer-bottom{border-top:1px solid rgba(248,245,239,.18);padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(248,245,239,.72);}
  .foot-note{color:rgba(248,245,239,.7);font-size:14.5px;line-height:1.85;}

/* roulang page: article */
:root{
  --primary:#1F6B5A;
  --primary-dark:#143F35;
  --primary-light:#E8F1EE;
  --accent:#D97706;
  --accent-light:#FFF4E0;
  --danger:#B23A2E;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --border:#E6DFD3;
  --text:#1C1C1C;
  --muted:#5B5B52;
  --inverse:#F8F5EF;
  --radius-btn:12px;
  --radius-card:18px;
  --radius-block:24px;
  --shadow-1:0 8px 24px rgba(28,28,28,.06);
  --shadow-2:0 12px 32px rgba(28,28,28,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container-x{padding:0 32px;}}
.sr-only{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;}
.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
.no-scrollbar::-webkit-scrollbar{display:none;}

/* ---------- 阅读进度 ---------- */
.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;z-index:80;
  background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .12s linear;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(248,245,239,.95);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(28,28,28,.08);}
.topline{display:flex;align-items:center;gap:16px;padding:13px 0;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;border-radius:14px;}
.brand:focus-visible{outline:2px solid rgba(31,107,90,.45);outline-offset:4px;}
.brand-mark{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;
  font-weight:800;font-size:15px;letter-spacing:.08em;box-shadow:var(--shadow-1);}
.brand-title{display:block;font-family:"Noto Serif SC","Songti SC",serif;font-weight:700;
  font-size:16px;line-height:1.25;letter-spacing:.01em;}
.brand-sub{display:block;font-size:12px;color:var(--muted);letter-spacing:.1em;margin-top:2px;}
.search-wrap{position:relative;flex:1 1 auto;max-width:430px;display:none;}
@media (min-width:768px){.search-wrap{display:block;}}
.search-wrap input{width:100%;height:44px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);padding:0 18px 0 42px;font-size:14.5px;outline:none;transition:.2s;}
.search-wrap input::placeholder{color:#9a968c;}
.search-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,107,90,.16);}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.55;pointer-events:none;}
.nav-cta{height:44px;padding:0 20px;border-radius:var(--radius-btn);border:1px solid var(--accent);
  background:var(--accent);color:#fff;font-weight:700;font-size:14.5px;
  display:inline-flex;align-items:center;justify-content:center;transition:.2s;white-space:nowrap;}
.nav-cta:hover{background:#bf6a05;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-cta:active{transform:translateY(0);}
.nav-cta:focus-visible{outline:2px solid rgba(217,119,6,.45);outline-offset:2px;}
.desk-cta{display:none;}
@media (min-width:768px){.desk-cta{display:inline-flex;}}
.menu-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--primary);
  background:var(--surface);color:var(--primary);font-size:18px;line-height:1;cursor:pointer;transition:.2s;margin-left:auto;}
.menu-btn:hover{background:var(--primary-light);}
.menu-btn:focus-visible{outline:2px solid rgba(31,107,90,.4);outline-offset:2px;}
@media (min-width:1024px){.menu-btn{display:none;}}
.brand-text{display:none;}
@media (min-width:520px){.brand-text{display:block;}}

.channelline{border-top:1px solid var(--border);background:rgba(255,255,255,.72);}
.channelline-inner{display:flex;align-items:center;gap:10px;padding:10px 0;overflow-x:auto;
  scroll-snap-type:x proximity;}
.chan{flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:999px;
  border:1px solid var(--primary);color:var(--primary);background:transparent;
  font-size:14.5px;font-weight:600;white-space:nowrap;transition:.2s;}
.chan:hover{background:var(--primary-light);}
.chan:focus-visible{outline:2px solid rgba(31,107,90,.4);outline-offset:2px;}
.chan.active{background:var(--primary);color:var(--inverse);}

/* ---------- 抽屉菜单 ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;visibility:hidden;}
.drawer.open{pointer-events:auto;visibility:visible;}
.drawer-mask{position:absolute;inset:0;background:rgba(20,63,53,.45);opacity:0;transition:opacity .25s;}
.drawer.open .drawer-mask{opacity:1;}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);background:var(--bg);
  box-shadow:-10px 0 32px rgba(28,28,28,.16);padding:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;
  font-size:18px;cursor:pointer;color:var(--muted);}
.drawer-title{font-family:"Noto Serif SC",serif;font-weight:700;font-size:16px;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin:16px 0;}
.drawer-nav a{padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#fff;
  font-size:15px;font-weight:600;color:var(--primary-dark);transition:.2s;}
.drawer-nav a:hover{background:var(--primary-light);border-color:var(--primary);}
.drawer-search input{width:100%;height:46px;border-radius:12px;border:1px solid var(--border);
  background:#fff;padding:0 14px;font-size:14.5px;outline:none;}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,107,90,.16);}
.drawer-cta{display:block;text-align:center;margin-top:16px;height:48px;line-height:48px;border-radius:12px;
  background:var(--accent);color:#fff;font-weight:700;}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;color:var(--inverse);
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);}
.article-hero::after{content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.18;}
.article-hero > .container-x{position:relative;z-index:1;padding-top:26px;padding-bottom:38px;}
@media (min-width:768px){.article-hero > .container-x{padding-top:34px;padding-bottom:52px;}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;overflow-x:auto;
  color:rgba(248,245,239,.78);white-space:nowrap;scrollbar-width:none;}
.breadcrumb::-webkit-scrollbar{display:none;}
.breadcrumb a{opacity:.85;transition:.2s;border-radius:6px;}
.breadcrumb a:hover{opacity:1;color:var(--accent-light);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .current{color:#fff;font-weight:600;}
.article-title{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:clamp(28px,4vw,42px);line-height:1.32;font-weight:700;letter-spacing:.01em;
  margin:18px 0 18px;max-width:920px;text-wrap:balance;scroll-margin-top:120px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;
  color:rgba(248,245,239,.86);}
.meta-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:rgba(255,244,224,.18);border:1px solid rgba(255,244,224,.34);font-size:13.5px;font-weight:600;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(248,245,239,.5);}

/* ---------- 文章主体 ---------- */
.article-main{padding:44px 0 68px;}
@media (min-width:768px){.article-main{padding:56px 0 84px;}}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start;}
@media (min-width:1024px){.article-shell{grid-template-columns:minmax(0,1fr) 310px;gap:32px;}}
.article-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-block);
  box-shadow:var(--shadow-1);padding:26px 20px;}
@media (min-width:768px){.article-card{padding:44px 52px;}}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;letter-spacing:.02em;color:#232323;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(21px,2.6vw,26px);
  line-height:1.5;font-weight:700;color:var(--primary-dark);margin:1.9em 0 .75em;
  padding-left:14px;border-left:4px solid var(--primary);}
.article-body h3{font-size:clamp(18px,2.2vw,21px);font-weight:700;color:var(--primary-dark);
  margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em 1.3em;padding:0;}
.article-body li{margin:0 0 .5em;}
.article-body li::marker{color:var(--primary);}
.article-body img{border-radius:16px;margin:1.5em auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--primary);
  background:var(--primary-light);border-radius:0 14px 14px 0;color:#2b3a34;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;transition:.2s;}
.article-body a:hover{color:var(--accent);}
.article-body code{background:#f1ede4;border-radius:6px;padding:2px 6px;font-size:15px;}
.article-body pre{background:#143F35;color:#F1F6F3;border-radius:16px;padding:18px 20px;overflow-x:auto;margin:1.5em 0;}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15.5px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--primary-light);color:var(--primary-dark);font-weight:700;}
@media (max-width:640px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-body{font-size:16px;line-height:1.8;}
}

/* ---------- 侧栏 ---------- */
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:22px;}
.side-title{font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;color:var(--primary-dark);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;}
.side-title::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--primary);}
.side-list{display:flex;flex-direction:column;gap:8px;}
.side-list a{padding:11px 14px;border-radius:12px;background:#FBF9F4;border:1px solid transparent;
  font-size:14.5px;font-weight:600;color:var(--muted);transition:.2s;display:flex;justify-content:space-between;align-items:center;}
.side-list a:hover{background:var(--primary-light);border-color:rgba(31,107,90,.28);color:var(--primary-dark);
  transform:translateX(2px);}
.side-list a span{color:var(--primary);font-weight:700;}
.side-sticky{position:sticky;top:132px;}
.side-aside{display:flex;flex-direction:column;gap:20px;}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:56px 20px;}
.empty-icon{font-size:38px;line-height:1;margin-bottom:14px;}
.empty-title{font-family:"Noto Serif SC",serif;font-size:22px;font-weight:700;color:var(--primary-dark);}
.empty-desc{color:var(--muted);font-size:15px;margin:10px auto 22px;max-width:460px;line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--radius-btn);background:var(--primary);color:#fff;border:1px solid var(--primary);
  font-weight:700;font-size:15px;transition:.2s;}
.btn-primary:hover{background:#1a5b4c;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-primary:focus-visible{outline:2px solid rgba(31,107,90,.4);outline-offset:2px;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--radius-btn);background:#fff;border:1px solid var(--primary);color:var(--primary);
  font-weight:700;font-size:15px;transition:.2s;}
.btn-ghost:hover{background:rgba(31,107,90,.08);transform:translateY(-1px);}
.btn-ghost:focus-visible{outline:2px solid rgba(31,107,90,.4);outline-offset:2px;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 72px;}
.related-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:22px;}
.related-head h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(22px,2.8vw,28px);
  font-weight:700;color:var(--primary-dark);}
.related-head p{color:var(--muted);font-size:14.5px;margin-top:6px;}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:.25s ease;display:flex;flex-direction:column;height:100%;}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,107,90,.3);}
.card:focus-visible{outline:2px solid rgba(31,107,90,.4);outline-offset:2px;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--primary-light);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease;}
.card:hover .card-media img{transform:scale(1.04);filter:brightness(1.06);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.04em;}
.badge-amber{background:var(--accent-light);color:#9a5604;}
.card h3{font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;line-height:1.5;font-weight:700;color:var(--text);}
.card-excerpt{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--muted);padding-top:6px;}
.card-foot .arrow{color:var(--primary);font-weight:700;transition:transform .2s;}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:var(--inverse);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.25fr;}}
.footer-title{font-weight:700;font-size:15px;letter-spacing:.06em;margin-bottom:14px;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.5px;color:rgba(248,245,239,.8);transition:.2s;border-radius:6px;width:fit-content;}
.footer-links a:hover{color:var(--accent-light);text-decoration:underline;text-underline-offset:3px;}
.footer-links a:focus-visible{outline:2px solid rgba(217,119,6,.6);outline-offset:3px;}
.foot-note{font-size:14.5px;line-height:1.8;color:rgba(248,245,239,.78);}
.form-msg{font-size:13.5px;margin-top:8px;min-height:18px;color:var(--accent-light);}
.form-msg.error{color:#F3B0A6;}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(248,245,239,.18);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(248,245,239,.7);}
.footer-bottom a:hover{color:var(--accent-light);}

/* roulang page: category1 */
:root{
    --primary:#1F6B5A;
    --primary-dark:#143F35;
    --primary-light:#E8F1EE;
    --accent:#D97706;
    --accent-light:#FFF4E0;
    --danger:#B23A2E;
    --bg:#F8F5EF;
    --surface:#FFFFFF;
    --border:#E6DFD3;
    --text:#1C1C1C;
    --muted:#5B5B52;
    --radius-btn:12px;
    --radius-card:18px;
    --radius-block:24px;
    --shadow-1:0 8px 24px rgba(28,28,28,.06);
    --shadow-2:0 12px 32px rgba(28,28,28,.10);
    --font-serif:'Noto Serif SC','Songti SC','Source Han Serif SC',Georgia,serif;
    --font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC','Hiragino Sans GB',sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    letter-spacing:.02em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--primary);text-decoration:none;}
  a:hover{color:var(--accent);}
  button{font-family:inherit;}
  h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.3;margin:0;color:var(--text);}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid rgba(31,107,90,.55);outline-offset:2px;border-radius:6px;}

  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.container-x{padding:0 32px;}}

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    box-shadow:0 2px 14px rgba(28,28,28,.05);
  }
  .topline{display:flex;align-items:center;gap:14px;padding:12px 0;}
  .brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;text-decoration:none;}
  .brand-mark{
    width:44px;height:44px;flex:0 0 44px;border-radius:14px;
    background:linear-gradient(140deg,var(--primary),var(--primary-dark));
    color:#F8F5EF;display:grid;place-items:center;
    font-weight:800;font-size:14px;letter-spacing:.06em;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-title{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--text);}
  .brand-sub{font-size:12px;color:var(--muted);letter-spacing:.04em;}

  .search-wrap{position:relative;flex:1 1 auto;max-width:420px;margin-left:auto;display:none;align-items:center;}
  .search-wrap input{
    width:100%;height:44px;border-radius:var(--radius-btn);
    border:1px solid var(--border);background:var(--bg);
    padding:0 16px 0 42px;font-size:14.5px;color:var(--text);
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .search-wrap input::placeholder{color:#9A968B;}
  .search-wrap input:focus{
    outline:none;background:#fff;border-color:var(--primary);
    box-shadow:0 0 0 4px rgba(31,107,90,.14);
  }
  .search-icon{position:absolute;left:14px;font-size:14px;opacity:.55;pointer-events:none;}
  @media(min-width:1024px){.search-wrap{display:flex;}}

  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    background:var(--primary);color:#F8F5EF;font-weight:700;font-size:14.5px;
    border:1px solid var(--primary);white-space:nowrap;
    transition:background .2s,transform .2s,box-shadow .2s;
  }
  .nav-cta:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#F8F5EF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .nav-cta:active{transform:translateY(0);}
  .desk-cta{display:none;}
  @media(min-width:1024px){.desk-cta{display:inline-flex;margin-left:12px;}}

  .menu-btn{
    margin-left:auto;width:44px;height:44px;flex:0 0 44px;
    border-radius:var(--radius-btn);border:1px solid var(--border);
    background:#fff;color:var(--primary);font-size:20px;line-height:1;cursor:pointer;
    transition:border-color .2s,background .2s;
  }
  .menu-btn:hover{border-color:var(--primary);background:var(--primary-light);}
  @media(min-width:1024px){.menu-btn{display:none;}}

  .channelline{border-top:1px solid var(--border);background:#FCFAF6;}
  .channelline-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none;}
  .channelline-inner::-webkit-scrollbar{display:none;}
  .chan{
    flex:0 0 auto;padding:8px 16px;border-radius:999px;
    border:1px solid var(--primary);background:#fff;color:var(--primary);
    font-size:14.5px;white-space:nowrap;
    transition:background .2s,color .2s,border-color .2s;
  }
  .chan:hover{background:var(--primary-light);color:var(--primary);}
  .chan.active{background:var(--primary);border-color:var(--primary);color:#F8F5EF;font-weight:700;}
  .chan.active:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#F8F5EF;}

  /* 抽屉 */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(28,28,28,.45);
    opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:70;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,350px);
    background:#fff;z-index:80;padding:24px 22px 36px;overflow-y:auto;
    transform:translateX(105%);transition:transform .3s ease;
    box-shadow:-14px 0 36px rgba(28,28,28,.16);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
    background:#fff;color:var(--muted);font-size:18px;cursor:pointer;
  }
  .drawer-close:hover{border-color:var(--primary);color:var(--primary);}
  .drawer-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.1em;margin:22px 0 10px;}
  .drawer-link{
    display:block;padding:11px 14px;border-radius:12px;color:var(--text);
    font-size:15px;border:1px solid transparent;transition:background .2s,border-color .2s;
  }
  .drawer-link:hover{background:var(--primary-light);border-color:rgba(31,107,90,.18);color:var(--primary);}
  .drawer-link.active{background:var(--primary);color:#F8F5EF;font-weight:700;}
  .drawer-search{position:relative;margin-bottom:8px;}
  .drawer-search input{
    width:100%;height:46px;border-radius:12px;border:1px solid var(--border);
    padding:0 14px;font-size:14.5px;background:var(--bg);color:var(--text);
  }
  .drawer-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(31,107,90,.14);}
  .drawer-cta{
    display:flex;align-items:center;justify-content:center;height:48px;border-radius:12px;
    background:var(--primary);color:#F8F5EF;font-weight:700;margin-top:16px;border:1px solid var(--primary);
  }
  .drawer-cta:hover{background:var(--primary-dark);color:#F8F5EF;}

  /* ============ 通用组件 ============ */
  .section{padding:56px 0;}
  @media(min-width:1024px){.section{padding:88px 0;}}
  .section-tight{padding:44px 0;}
  @media(min-width:1024px){.section-tight{padding:64px 0;}}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--accent);
  }
  .section-head{max-width:780px;}
  .section-title{font-size:27px;margin:12px 0 14px;}
  @media(min-width:768px){.section-title{font-size:32px;}}
  .section-desc{color:var(--muted);font-size:16.5px;line-height:1.85;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
    transition:background .2s,border-color .2s,color .2s,transform .2s,box-shadow .2s;
  }
  .btn-primary{background:var(--primary);border-color:var(--primary);color:#F8F5EF;}
  .btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#F8F5EF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:#fff;border-color:var(--border);color:var(--primary);}
  .btn-ghost:hover{border-color:var(--primary);background:rgba(31,107,90,.08);color:var(--primary);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-amber{background:var(--accent);border-color:var(--accent);color:#fff;}
  .btn-amber:hover{background:#B45309;border-color:#B45309;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
    background:var(--primary-light);color:var(--primary);
  }
  .badge-amber{background:var(--accent-light);color:#B45309;}
  .badge-line{background:#fff;border:1px solid var(--border);color:var(--muted);}

  .tag{
    display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
    font-size:12.5px;background:var(--bg);border:1px solid var(--border);color:var(--muted);
  }

  /* ============ Hero ============ */
  .hero{padding:36px 0 8px;}
  @media(min-width:1024px){.hero{padding:48px 0 12px;}}
  .hero-card{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-block);
    box-shadow:var(--shadow-1);padding:28px 24px;display:grid;gap:28px;
  }
  @media(min-width:768px){.hero-card{padding:36px;}}
  @media(min-width:1024px){
    .hero-card{grid-template-columns:1.4fr 1fr;align-items:center;gap:44px;padding:46px;}
  }
  .crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);flex-wrap:wrap;}
  .crumb a{color:var(--muted);}
  .crumb a:hover{color:var(--primary);}
  .crumb .sep{opacity:.5;}
  .crumb .current{color:var(--primary);font-weight:700;}
  .hero h1{font-size:31px;line-height:1.24;margin:16px 0 14px;max-width:720px;}
  @media(min-width:1024px){.hero h1{font-size:44px;}}
  .hero-lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:720px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

  .hero-visual{
    position:relative;border-radius:20px;overflow:hidden;
    border:1px solid var(--border);box-shadow:var(--shadow-1);aspect-ratio:4/3;
  }
  .hero-visual img{width:100%;height:100%;object-fit:cover;}
  .hero-visual-note{
    position:absolute;left:14px;bottom:14px;
    background:rgba(20,63,53,.9);color:#F8F5EF;
    font-size:13.5px;padding:8px 14px;border-radius:999px;
  }

  /* ============ 搜索与筛选 ============ */
  .toolbar{
    margin-top:26px;display:flex;flex-direction:column;gap:16px;
    padding-top:24px;border-top:1px dashed var(--border);
  }
  .search-bar{display:flex;gap:10px;flex-wrap:wrap;}
  .entry-input{
    flex:1 1 260px;min-width:0;height:48px;border-radius:var(--radius-btn);
    border:1px solid var(--border);background:#fff;padding:0 16px;font-size:15px;color:var(--text);
    transition:border-color .2s,box-shadow .2s;
  }
  .entry-input::placeholder{color:#9A968B;}
  .entry-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,107,90,.14);}
  .filters{display:flex;flex-wrap:wrap;gap:10px;}
  .chip{
    padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:#fff;
    color:var(--muted);font-size:14px;cursor:pointer;transition:all .2s;
  }
  .chip:hover{border-color:var(--primary);color:var(--primary);background:rgba(31,107,90,.05);}
  .chip.active{background:var(--primary);border-color:var(--primary);color:#F8F5EF;font-weight:700;}

  /* ============ 入口列表 ============ */
  .entry-grid{display:grid;gap:20px;}
  @media(min-width:768px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  .entry-item{
    display:flex;gap:16px;padding:24px;background:var(--surface);
    border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .entry-item:hover{transform:translateY(-2px);border-color:rgba(31,107,90,.35);box-shadow:var(--shadow-2);}
  .entry-icon{
    flex:0 0 48px;width:48px;height:48px;border-radius:14px;
    background:var(--primary-light);color:var(--primary);
    display:grid;place-items:center;font-size:22px;
  }
  .entry-body{min-width:0;}
  .entry-body h3{font-size:19px;margin-bottom:8px;}
  .entry-body p{color:var(--muted);font-size:15px;line-height:1.78;margin-bottom:14px;}
  .entry-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
  .entry-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--primary);font-weight:700;font-size:14.5px;
    transition:color .2s;
  }
  .entry-link .arrow{transition:transform .2s;}
  .entry-link:hover{color:var(--accent);}
  .entry-link:hover .arrow{transform:translateX(3px);}

  .empty-state{
    display:none;text-align:center;padding:48px 24px;
    background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-card);
  }
  .empty-icon{font-size:34px;line-height:1;margin-bottom:14px;}
  .empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:18px;}

  /* ============ 图文区块 ============ */
  .split{display:grid;gap:28px;align-items:center;}
  @media(min-width:1024px){.split{grid-template-columns:1.05fr 1fr;gap:48px;}}
  .img-frame{
    border-radius:var(--radius-block);overflow:hidden;border:1px solid var(--border);
    box-shadow:var(--shadow-1);aspect-ratio:16/11;
  }
  .img-frame img{width:100%;height:100%;object-fit:cover;}
  .check-list{display:flex;flex-direction:column;gap:14px;margin-top:20px;}
  .check-item{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--muted);}
  .check-dot{
    flex:0 0 22px;width:22px;height:22px;border-radius:50%;
    background:var(--primary-light);color:var(--primary);
    display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:5px;
  }

  /* ============ 步骤 ============ */
  .steps{display:grid;gap:28px;margin-top:36px;}
  @media(min-width:768px){.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
  .step{padding-top:20px;border-top:2px solid var(--border);}
  .step-num{
    font-family:var(--font-serif);font-size:42px;font-weight:700;line-height:1;
    color:rgba(31,107,90,.22);display:block;margin-bottom:10px;
  }
  .step h3{font-size:20px;margin-bottom:10px;}
  .step p{color:var(--muted);font-size:15.5px;line-height:1.8;}

  /* ============ FAQ ============ */
  .faq-list{border-top:1px solid var(--border);margin-top:8px;}
  .faq-item{border-bottom:1px solid var(--border);}
  .faq-q{
    width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;
    gap:16px;padding:18px 4px;background:none;border:0;cursor:pointer;
    font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--text);text-align:left;
    transition:color .2s;
  }
  .faq-q:hover{color:var(--primary);}
  .faq-q .plus{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    background:var(--primary-light);color:var(--primary);
    display:grid;place-items:center;font-size:16px;font-weight:700;
    transition:transform .28s,background .2s;
  }
  .faq-item.open .faq-q{color:var(--primary);}
  .faq-item.open .plus{transform:rotate(45deg);background:var(--primary);color:#F8F5EF;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a-inner{padding:0 44px 22px 4px;color:var(--muted);font-size:15.5px;line-height:1.85;}

  /* ============ 频道入口 ============ */
  .chan-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

  /* ============ CTA ============ */
  .cta-band{
    background:linear-gradient(135deg,var(--primary-dark),var(--primary));
    border-radius:var(--radius-block);padding:32px 24px;color:#F8F5EF;
    display:grid;gap:26px;
  }
  @media(min-width:768px){.cta-band{padding:40px;}}
  @media(min-width:1024px){.cta-band{grid-template-columns:1.05fr .95fr;align-items:center;gap:44px;padding:48px;}}
  .cta-band h2{color:#F8F5EF;font-size:26px;margin-bottom:12px;}
  @media(min-width:768px){.cta-band h2{font-size:30px;}}
  .cta-band p{color:rgba(248,245,239,.82);font-size:15.5px;line-height:1.85;}
  .subscribe-form{display:flex;flex-direction:column;gap:12px;}
  @media(min-width:640px){.subscribe-form{flex-direction:row;}}
  .subscribe-form input{
    flex:1 1 auto;min-width:0;height:48px;border-radius:var(--radius-btn);
    border:1px solid rgba(248,245,239,.45);background:rgba(255,255,255,.97);
    padding:0 16px;font-size:15px;color:var(--text);
  }
  .subscribe-form input::placeholder{color:#9A968B;}
  .subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,119,6,.28);}
  .form-msg{font-size:14px;min-height:22px;margin-top:10px;}
  .form-msg.ok{color:#9FE0C8;}
  .form-msg.err{color:#F3B2A7;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--primary-dark);color:#F8F5EF;padding:56px 0 24px;margin-top:16px;}
  .footer-grid{display:grid;gap:34px;}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;}}
  .footer-title{font-size:13.5px;font-weight:700;letter-spacing:.1em;color:#fff;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:rgba(248,245,239,.8);font-size:14.5px;transition:color .2s,padding-left .2s;}
  .footer-links a:hover{color:var(--accent);padding-left:3px;}
  .foot-note{color:rgba(248,245,239,.72);font-size:14px;line-height:1.8;}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    margin-top:38px;padding-top:20px;border-top:1px solid rgba(248,245,239,.16);
    font-size:13.5px;color:rgba(248,245,239,.66);
  }

  [id]{scroll-margin-top:130px;}

/* roulang page: category2 */
:root{
  --primary:#1F6B5A;
  --primary-dark:#143F35;
  --primary-light:#E8F1EE;
  --accent:#D97706;
  --accent-light:#FFF4E0;
  --danger:#B23A2E;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --border:#E6DFD3;
  --text:#1C1C1C;
  --text-2:#5B5B52;
  --on-dark:#F8F5EF;
  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:24px;
  --shadow-1:0 8px 24px rgba(28,28,28,.06);
  --shadow-2:0 12px 32px rgba(28,28,28,.10);
  --sect-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.02em;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC","PingFang SC",serif;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  margin:0;
  line-height:1.35;
}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid rgba(31,107,90,.45);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
.no-scrollbar::-webkit-scrollbar{display:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(248,245,239,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--border);
}
.topline{
  display:flex;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:46px;height:46px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  color:var(--on-dark);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;letter-spacing:.06em;
  box-shadow:var(--shadow-1);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-title{font-size:16.5px;font-weight:700;font-family:"Noto Serif SC","Songti SC",serif;}
.brand-sub{font-size:12.5px;color:var(--text-2);letter-spacing:.04em;}
.search-wrap{
  flex:1 1 auto;
  max-width:460px;
  position:relative;
  display:flex;
  align-items:center;
  margin-left:auto;
}
.search-wrap .search-icon{
  position:absolute;left:14px;font-size:14px;opacity:.6;pointer-events:none;
}
.search-wrap input{
  width:100%;
  height:44px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  padding:0 16px 0 38px;
  font-size:14.5px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-wrap input::placeholder{color:#9A9689;}
.search-wrap input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(31,107,90,.12);
  outline:none;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  font-size:15px;font-weight:700;
  border:1px solid var(--primary);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:var(--shadow-1);
  white-space:nowrap;
}
.nav-cta:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-cta:active{transform:translateY(0);}
.menu-btn{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--primary);
  font-size:19px;line-height:1;
}
.channelline{
  background:var(--surface);
  border-top:1px solid var(--border);
}
.channelline-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 0;
  overflow-x:auto;
  scroll-margin-top:120px;
}
.chan{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid rgba(31,107,90,.35);
  background:var(--surface);
  color:var(--primary);
  font-size:14.5px;
  font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chan:hover{background:var(--primary-light);border-color:var(--primary);transform:translateY(-1px);}
.chan.active{
  background:var(--primary);
  border-color:var(--primary);
  color:var(--on-dark);
}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;
  z-index:120;
  display:none;
}
.drawer.open{display:block;}
.drawer-backdrop{
  position:absolute;inset:0;
  background:rgba(20,63,53,.45);
}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(340px,88vw);
  height:100%;
  background:var(--bg);
  border-left:1px solid var(--border);
  padding:24px 22px 32px;
  overflow-y:auto;
  box-shadow:-12px 0 32px rgba(28,28,28,.14);
  animation:slideIn .22s ease;
}
@keyframes slideIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-size:17px;
}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin:18px 0 22px;}
.drawer-nav a{
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--surface);
  font-size:15px;
  font-weight:600;
  color:var(--text);
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.drawer-nav a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.drawer-nav a.active{background:var(--primary);border-color:var(--primary);color:var(--on-dark);}
.drawer-search input{
  width:100%;height:44px;border-radius:12px;
  border:1px solid var(--border);background:var(--surface);
  padding:0 14px;font-size:14.5px;
}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,107,90,.12);outline:none;}

/* ============ 通用 ============ */
.section{padding:var(--sect-y) 0;scroll-margin-top:130px;}
.section-tight{padding:64px 0;scroll-margin-top:130px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.eyebrow.amber{background:var(--accent-light);color:var(--accent);}
.sect-head{max-width:760px;margin-bottom:40px;}
.sect-head h2{font-size:32px;margin-bottom:14px;}
.sect-head p{color:var(--text-2);font-size:16.5px;}
.lead{color:var(--text-2);font-size:17px;line-height:1.85;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;
  border-radius:12px;
  font-size:15.5px;font-weight:700;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:rgba(31,107,90,.4);}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);transform:translateY(-1px);}
.btn-amber{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:var(--shadow-1);}
.btn-amber:hover{background:#B8650A;border-color:#B8650A;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* 面包屑 */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
  overflow-x:auto;
  white-space:nowrap;
  padding-bottom:4px;
}
.crumb a:hover{color:var(--primary);text-decoration:underline;}
.crumb .cur{color:var(--primary);font-weight:700;}
.crumb .sep{opacity:.5;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  margin-top:22px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:linear-gradient(135deg,rgba(20,63,53,.92),rgba(31,107,90,.82)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:var(--on-dark);
  padding:70px 48px 64px;
  box-shadow:var(--shadow-2);
}
.cat-hero h1{
  color:#fff;
  font-size:42px;
  max-width:760px;
  margin:18px 0 16px;
}
.cat-hero p{max-width:660px;font-size:17px;color:rgba(248,245,239,.9);}
.cat-hero .eyebrow{background:rgba(248,245,239,.16);color:#FFF4E0;border:1px solid rgba(248,245,239,.3);}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid rgba(248,245,239,.22);
}
.hero-stats .num{font-size:26px;font-weight:800;color:#fff;font-family:"Noto Serif SC","Songti SC",serif;}
.hero-stats .lbl{font-size:13.5px;color:rgba(248,245,239,.78);margin-top:2px;}

/* ============ 筛选 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:32px;
}
.filter-label{font-size:14px;color:var(--text-2);margin-right:4px;font-weight:600;}
.filter-pill{
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text-2);
  font-size:14.5px;
  font-weight:600;
  transition:all .2s ease;
}
.filter-pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.filter-pill.active{background:var(--primary);border-color:var(--primary);color:#fff;}
.filter-count{margin-left:auto;font-size:13.5px;color:var(--text-2);}

/* ============ 图册 ============ */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.shot-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
  height:100%;
}
.shot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(31,107,90,.35);}
.shot-media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--primary-light);
}
.shot-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease,filter .5s ease;
}
.shot-card:hover .shot-media img{transform:scale(1.05);filter:brightness(1.04);}
.shot-tag{
  position:absolute;top:14px;left:14px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--primary);
  font-size:12.5px;font-weight:700;
  letter-spacing:.04em;
}
.shot-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.shot-body h3{font-size:19.5px;}
.shot-body p{color:var(--text-2);font-size:15px;}
.shot-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;
  border-top:1px dashed var(--border);
  font-size:13.5px;color:var(--text-2);
}
.shot-more{color:var(--primary);font-weight:700;}
.shot-more:hover{color:var(--accent);}
.empty-state{
  display:none;
  flex-direction:column;align-items:center;gap:12px;
  text-align:center;
  padding:56px 24px;
  background:var(--surface);
  border:1px dashed var(--border);
  border-radius:var(--radius-md);
}
.empty-state.show{display:flex;}
.empty-state .icon{font-size:30px;}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ============ 要点 ============ */
.tips-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:48px;
  align-items:start;
}
.tips-wrap h2{font-size:32px;margin-bottom:16px;}
.tips-wrap .lead{font-size:16.5px;}
.tip-list{display:flex;flex-direction:column;gap:16px;}
.tip-item{
  display:flex;gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tip-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,107,90,.3);}
.tip-num{
  flex:0 0 42px;height:42px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;
}
.tip-item h3{font-size:18px;margin-bottom:6px;}
.tip-item p{color:var(--text-2);font-size:15px;}

/* ============ 设备对比 ============ */
.compare-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.compare-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.compare-card .ico{font-size:24px;}
.compare-card h3{font-size:19px;margin:14px 0 10px;}
.compare-card ul{margin:0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px;}
.compare-card li{
  position:relative;
  padding-left:20px;
  font-size:14.8px;
  color:var(--text-2);
}
.compare-card li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:linear-gradient(120deg,var(--primary-dark),var(--primary));
  color:var(--on-dark);
  padding:56px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:28px;
  justify-content:space-between;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px;}
.cta-band p{color:rgba(248,245,239,.86);font-size:16px;max-width:520px;}
.cta-band .btn-amber{flex-shrink:0;}
.cta-band .btn-light{
  background:rgba(248,245,239,.14);
  color:#fff;
  border:1px solid rgba(248,245,239,.45);
}
.cta-band .btn-light:hover{background:rgba(248,245,239,.24);transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--primary-dark);
  color:var(--on-dark);
  padding:72px 0 30px;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-title{
  font-size:15px !important;
  font-weight:700;
  color:#fff;
  margin-bottom:16px !important;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  color:rgba(248,245,239,.8);
  font-size:14.5px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--accent);padding-left:3px;}
.foot-note{color:rgba(248,245,239,.72);font-size:14px;line-height:1.75;}
.form-msg{font-size:13.5px;margin-top:8px;color:rgba(248,245,239,.85);min-height:18px;}
.form-msg.ok{color:#9FD9C7;}
.form-msg.err{color:#F0A79B;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(248,245,239,.18);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(248,245,239,.68);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sect-y:70px;}
  .container-x{padding:0 24px;}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tips-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero{padding:56px 32px 52px;}
  .cat-hero h1{font-size:36px;}
  .compare-strip{grid-template-columns:1fr 1fr;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .search-wrap{display:none;}
  .desk-cta{display:none;}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;}
  .topline{padding:12px 0;gap:12px;}
  .brand-title{font-size:15.5px;}
  .brand-sub{font-size:11.5px;}
  .section{padding:56px 0;}
  .cat-hero{padding:48px 22px 44px;border-radius:18px;}
  .cat-hero h1{font-size:29px;}
  .cat-hero p{font-size:15.5px;}
  .sect-head h2,.tips-wrap h2{font-size:26px;}
  .cta-band{padding:40px 24px;}
  .cta-band h2{font-size:24px;}
  .gallery-grid{grid-template-columns:1fr;}
  .compare-strip{grid-template-columns:1fr;}
  .filter-count{margin-left:0;width:100%;}
}
@media (max-width:520px){
  .container-x{padding:0 20px;}
  .brand-mark{width:42px;height:42px;font-size:12.5px;}
  .cat-hero h1{font-size:26px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .btn{width:100%;}
  .btn-row{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .shot-body{padding:20px;}
}

/* roulang page: category3 */
:root{
    --brand:#1F6B5A;
    --brand-dark:#143F35;
    --brand-light:#E8F1EE;
    --accent:#D97706;
    --accent-light:#FFF4E0;
    --danger:#B23A2E;
    --bg:#F8F5EF;
    --surface:#FFFFFF;
    --line:#E6DFD3;
    --ink:#1C1C1C;
    --ink-2:#5B5B52;
    --ink-inv:#F8F5EF;
    --r-sm:12px;
    --r-md:18px;
    --r-lg:24px;
    --r-pill:999px;
    --sh-1:0 8px 24px rgba(28,28,28,.06);
    --sh-2:0 12px 32px rgba(28,28,28,.10);
    --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    letter-spacing:.02em;
  }
  img{max-width:100%;display:block;height:auto;border-radius:var(--r-md);}
  a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--accent);}
  button{font-family:inherit;cursor:pointer;}
  input{font-family:inherit;}
  h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;margin:0;line-height:1.35;}
  p{margin:0;}
  :focus-visible{outline:2px solid rgba(31,107,90,.45);outline-offset:2px;}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container-x{padding:0 32px;}}
  section{scroll-margin-top:150px;}
  .no-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(248,245,239,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .topline{display:flex;align-items:center;gap:16px;padding:12px 0;}
  .brand{display:flex;align-items:center;gap:12px;color:inherit;flex:0 0 auto;}
  .brand:hover{color:inherit;}
  .brand-mark{
    width:44px;height:44px;border-radius:14px;
    background:linear-gradient(155deg,var(--brand-dark),var(--brand));
    color:var(--ink-inv);font-family:var(--font-serif);font-weight:800;font-size:15px;
    letter-spacing:.06em;display:grid;place-items:center;
  }
  .brand-title{display:block;font-family:var(--font-serif);font-size:16.5px;font-weight:700;line-height:1.25;}
  .brand-sub{display:block;font-size:12px;color:var(--ink-2);line-height:1.5;}
  .search-wrap{position:relative;flex:1 1 auto;max-width:420px;}
  .search-wrap input{
    width:100%;height:44px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:var(--surface);
    padding:0 16px 0 40px;font-size:14.5px;color:var(--ink);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-wrap input::placeholder{color:#9A9689;}
  .search-wrap input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,107,90,.16);outline:none;}
  .search-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.6;}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:44px;padding:0 20px;border-radius:var(--r-sm);
    background:var(--accent);color:#fff;font-weight:700;font-size:14.5px;
    border:1px solid var(--accent);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .nav-cta:hover{background:#c06a05;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
  .menu-btn{
    display:none;width:44px;height:44px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:var(--surface);
    font-size:18px;color:var(--brand);align-items:center;justify-content:center;
  }
  .channelline{border-top:1px solid var(--line);background:rgba(255,255,255,.62);}
  .channelline-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 0;}
  .chan{
    flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
    border:1px solid rgba(31,107,90,.28);background:var(--surface);
    color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .chan:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
  .chan.active{background:var(--brand);border-color:var(--brand);color:var(--ink-inv);}
  .chan.active:hover{background:var(--brand-dark);color:var(--ink-inv);}

  /* drawer */
  .drawer{position:fixed;inset:0;z-index:70;background:rgba(20,63,53,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
  .drawer.open{opacity:1;visibility:visible;}
  .drawer-panel{
    background:var(--surface);padding:20px;max-height:100%;overflow-y:auto;
    transform:translateY(-12px);transition:transform .25s ease;
    border-bottom-left-radius:var(--r-lg);border-bottom-right-radius:var(--r-lg);
  }
  .drawer.open .drawer-panel{transform:translateY(0);}
  .drawer .search-wrap{max-width:100%;margin-bottom:16px;}
  .drawer-links{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
  .drawer-links a{
    padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--line);
    color:var(--ink);font-weight:600;font-size:15px;background:#fff;
  }
  .drawer-links a.active{background:var(--brand);border-color:var(--brand);color:var(--ink-inv);}

  /* ---------- page banner ---------- */
  .page-hero{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background-image:linear-gradient(120deg,rgba(20,63,53,.92),rgba(31,107,90,.72)),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    color:var(--ink-inv);padding:38px 26px;
    box-shadow:var(--sh-1);
  }
  @media (min-width:768px){.page-hero{padding:52px 44px;}}
  .crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:14px;color:rgba(248,245,239,.82);}
  .crumbs a{color:rgba(248,245,239,.82);}
  .crumbs a:hover{color:var(--accent-light);}
  .crumbs .cur{color:#fff;font-weight:600;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;margin-top:18px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(255,244,224,.18);border:1px solid rgba(255,244,224,.4);
    color:var(--accent-light);font-size:13px;font-weight:600;
  }
  .hero-line{margin-top:16px;max-width:720px;font-size:16.5px;color:rgba(248,245,239,.9);}

  /* ---------- sections ---------- */
  .sec{padding:56px 0;}
  @media (min-width:768px){.sec{padding:80px 0;}}
  .sec-head{max-width:720px;margin-bottom:28px;}
  .sec-head h2{font-size:26px;margin-bottom:12px;}
  @media (min-width:768px){.sec-head h2{font-size:32px;}}
  .sec-head p{color:var(--ink-2);font-size:16px;}
  .kicker{
    display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
    background:var(--brand-light);color:var(--brand-dark);
    font-size:13px;font-weight:700;margin-bottom:14px;
  }

  /* ---------- layout two col ---------- */
  .grid-faq{display:grid;gap:28px;}
  @media (min-width:1024px){.grid-faq{grid-template-columns:minmax(0,0.85fr) minmax(0,1.35fr);gap:44px;}}
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px;box-shadow:var(--sh-1);
  }
  @media (min-width:1024px){.side-sticky{position:sticky;top:130px;}}
  .side-card h1{font-size:28px;line-height:1.3;margin-bottom:14px;}
  @media (min-width:768px){.side-card h1{font-size:38px;}}
  .side-card .lead{color:var(--ink-2);font-size:16px;}
  .stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px;}
  .stat{background:var(--brand-light);border-radius:var(--r-sm);padding:14px 12px;text-align:center;}
  .stat b{display:block;font-family:var(--font-serif);font-size:20px;color:var(--brand-dark);}
  .stat span{font-size:12.5px;color:var(--ink-2);}
  .side-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:var(--r-sm);
    font-weight:700;font-size:15px;border:1px solid transparent;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--brand);color:var(--ink-inv);}
  .btn-primary:hover{background:var(--brand-dark);color:var(--ink-inv);transform:translateY(-1px);box-shadow:var(--sh-1);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:rgba(31,107,90,.06);color:var(--brand);border-color:rgba(31,107,90,.35);}
  .btn-ghost:hover{background:rgba(31,107,90,.12);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
  .btn-amber{background:var(--accent);color:#fff;border-color:var(--accent);}
  .btn-amber:hover{background:#c06a05;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}

  /* ---------- faq ---------- */
  .faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px 22px;box-shadow:var(--sh-1);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:none;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:none;border:0;text-align:left;
    min-height:64px;padding:16px 0;
    font-family:var(--font-serif);font-size:16.5px;font-weight:700;color:var(--ink);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{
    flex:0 0 auto;width:30px;height:30px;border-radius:var(--r-pill);
    background:var(--brand-light);color:var(--brand-dark);
    display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
    transition:transform .3s ease,background .2s ease,color .2s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:var(--ink-inv);}
  .faq-item.open .faq-q{color:var(--brand-dark);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
  .faq-a-inner{padding:0 0 20px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}
  .faq-a-inner p + p{margin-top:10px;}
  .faq-note{
    margin-top:16px;font-size:14px;color:var(--ink-2);
    background:var(--accent-light);border:1px solid rgba(217,119,6,.25);
    border-radius:var(--r-sm);padding:12px 16px;
  }

  /* ---------- channel cards ---------- */
  .card-grid{display:grid;gap:22px;grid-template-columns:1fr;}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
  .chan-card{
    display:flex;flex-direction:column;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .chan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,107,90,.35);}
  .chan-card figure{margin:0;overflow:hidden;}
  .chan-card img{width:100%;height:172px;object-fit:cover;border-radius:0;transition:transform .35s ease,filter .35s ease;}
  .chan-card:hover img{transform:scale(1.04);filter:brightness(1.04);}
  .chan-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .badge{
    display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
    background:var(--brand-light);color:var(--brand-dark);font-size:12.5px;font-weight:700;
    width:fit-content;
  }
  .badge.amber{background:var(--accent-light);color:#9A5B05;}
  .chan-card h3{font-size:19px;}
  .chan-card p{color:var(--ink-2);font-size:14.5px;}
  .card-link{margin-top:auto;font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}

  /* ---------- tips ---------- */
  .tips{background:linear-gradient(180deg,rgba(232,241,238,.7),rgba(248,245,239,0));}
  .tip-list{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:768px){.tip-list{grid-template-columns:repeat(3,minmax(0,1fr));}}
  .tip{
    background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
    border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .tip:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
  .tip .num{
    font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--accent);
    display:block;margin-bottom:10px;
  }
  .tip h3{font-size:18px;margin-bottom:8px;}
  .tip p{color:var(--ink-2);font-size:14.5px;}

  /* ---------- cta ---------- */
  .cta-band{
    background:linear-gradient(120deg,var(--brand-dark),var(--brand));
    border-radius:var(--r-lg);color:var(--ink-inv);
    padding:34px 26px;display:grid;gap:22px;align-items:center;
    box-shadow:var(--sh-1);
  }
  @media (min-width:1024px){.cta-band{grid-template-columns:1.1fr 1fr;padding:44px;gap:36px;}}
  .cta-band h2{font-size:26px;color:#fff;margin-bottom:10px;}
  @media (min-width:768px){.cta-band h2{font-size:30px;}}
  .cta-band p{color:rgba(248,245,239,.85);font-size:15.5px;}
  .cta-form{display:flex;flex-direction:column;gap:10px;}
  @media (min-width:640px){.cta-form{flex-direction:row;}}
  .cta-form input{
    flex:1;height:48px;border-radius:var(--r-sm);border:1px solid rgba(248,245,239,.45);
    background:rgba(255,255,255,.97);padding:0 16px;font-size:15px;color:var(--ink);
  }
  .cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,6,.28);}
  .form-msg{font-size:14px;margin-top:8px;min-height:20px;}
  .form-msg.ok{color:var(--brand-light);}
  .form-msg.err{color:#FFD9D2;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-dark);color:rgba(248,245,239,.86);margin-top:20px;padding:56px 0 26px;}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:28px;}}
  .footer-title{font-family:var(--font-serif);font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:rgba(248,245,239,.8);font-size:14.5px;}
  .footer-links a:hover{color:var(--accent-light);}
  .foot-note{color:rgba(248,245,239,.72);font-size:14px;line-height:1.75;}
  .footer-bottom{
    margin-top:34px;padding-top:20px;border-top:1px solid rgba(248,245,239,.18);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    color:rgba(248,245,239,.66);font-size:13.5px;
  }
  .site-footer input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,6,.3);}
  .site-footer .form-msg{color:var(--accent-light);}

  @media (max-width:767px){
    .search-wrap.desk-search{display:none;}
    .nav-cta.desk-cta{display:none;}
    .menu-btn{display:inline-flex;}
    .brand-title{font-size:15px;}
    .side-card h1{font-size:28px;}
  }

/* roulang page: category4 */
:root{
  --primary:#1F6B5A;
  --primary-dark:#143F35;
  --primary-light:#E8F1EE;
  --accent:#D97706;
  --accent-light:#FFF4E0;
  --danger:#B23A2E;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --border:#E6DFD3;
  --text:#1C1C1C;
  --text-soft:#5B5B52;
  --radius-btn:12px;
  --radius-card:18px;
  --radius-block:24px;
  --shadow-sm:0 8px 24px rgba(28,28,28,.06);
  --shadow-md:0 12px 32px rgba(28,28,28,.10);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid rgba(31,107,90,.55);outline-offset:2px;border-radius:6px;}

.container-x{max-width:1240px;margin:0 auto;padding:0 20px;width:100%;}
@media (min-width:1024px){.container-x{padding:0 32px;}}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}
.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
.no-scrollbar::-webkit-scrollbar{display:none;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(248,245,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.topline{display:flex;align-items:center;gap:16px;min-height:70px;padding:10px 0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary-dark),var(--primary));
  color:#F8F5EF;font-weight:800;font-size:14px;letter-spacing:.06em;
  box-shadow:var(--shadow-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-title{font-family:var(--font-serif);font-weight:700;font-size:17px;color:var(--primary-dark);}
.brand-sub{font-size:12px;color:var(--text-soft);letter-spacing:.08em;}
.search-wrap{
  flex:1;max-width:420px;position:relative;display:none;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;height:44px;padding:0 14px;
  transition:border-color .2s,box-shadow .2s;
}
.search-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,107,90,.14);}
.search-icon{font-size:14px;opacity:.6;margin-right:8px;}
.search-wrap input{border:0;background:transparent;outline:none;width:100%;font-size:14.5px;color:var(--text);}
@media (min-width:900px){.search-wrap{display:flex;}}
.nav-cta{
  display:none;align-items:center;height:44px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--primary);color:#F8F5EF;font-weight:700;font-size:14.5px;
  transition:background .2s,transform .15s,box-shadow .2s;box-shadow:var(--shadow-sm);
}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.nav-cta:active{transform:translateY(0);}
@media (min-width:900px){.nav-cta.desk-cta{display:inline-flex;margin-left:auto;}}
.menu-btn{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);font-size:18px;color:var(--primary-dark);display:grid;place-items:center;
}
@media (min-width:900px){.menu-btn{display:none;}}
.channelline{border-top:1px solid var(--border);background:rgba(255,255,255,.6);}
.channelline-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 0;}
.chan{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--primary);background:var(--surface);
  border:1px solid rgba(31,107,90,.22);transition:all .2s;white-space:nowrap;
}
.chan:hover{background:var(--primary-light);border-color:var(--primary);}
.chan.active{background:var(--primary);border-color:var(--primary);color:#F8F5EF;box-shadow:var(--shadow-sm);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(20,63,53,.55);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(88vw,360px);background:var(--bg);
  padding:22px 20px;overflow-y:auto;transform:translateX(100%);transition:transform .28s ease;
  box-shadow:-12px 0 32px rgba(28,28,28,.18);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);font-size:16px;}
.drawer-title{font-family:var(--font-serif);font-weight:700;font-size:16px;color:var(--primary-dark);}
.drawer-links{display:flex;flex-direction:column;gap:8px;margin-top:8px;}
.drawer-links a{padding:11px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--border);font-size:14.5px;font-weight:600;}
.drawer-links a.active{background:var(--primary);color:#F8F5EF;border-color:var(--primary);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  transition:background .2s,transform .15s,box-shadow .2s,border-color .2s,color .2s;border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:#F8F5EF;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(31,107,90,.35);color:var(--primary-dark);}
.btn-ghost:hover{background:rgba(31,107,90,.08);border-color:var(--primary);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#FFFDF8;box-shadow:var(--shadow-sm);}
.btn-accent:hover{background:#b86305;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.badge-green{background:var(--primary-light);color:var(--primary-dark);}
.badge-amber{background:var(--accent-light);color:#8A4B04;}
.badge-red{background:#FBE9E6;color:var(--danger);}

/* ---------- hero ---------- */
.page-hero{padding:35px 0 20px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-soft);overflow-x:auto;white-space:nowrap;padding-bottom:4px;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.crumb .now{color:var(--primary);font-weight:700;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-top:26px;}
@media (min-width:980px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;}}
.hero-title{font-family:var(--font-serif);font-weight:700;font-size:30px;line-height:1.28;letter-spacing:.01em;color:var(--primary-dark);margin:14px 0 0;}
@media (min-width:768px){.hero-title{font-size:38px;}}
@media (min-width:1200px){.hero-title{font-size:42px;}}
.hero-lead{margin-top:16px;font-size:16.5px;color:var(--text-soft);max-width:660px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-media{position:relative;border-radius:var(--radius-block);overflow:hidden;box-shadow:var(--shadow-md);}
.hero-media img{width:100%;height:280px;object-fit:cover;}
@media (min-width:768px){.hero-media img{height:330px;}}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,63,53,0) 40%,rgba(20,63,53,.55));}
.hero-media figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;color:#F8F5EF;font-size:14px;z-index:2;line-height:1.6;
}
.metric-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:30px;}
@media (min-width:640px){.metric-row{grid-template-columns:repeat(3,minmax(0,1fr));}}
.metric{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:16px 18px;box-shadow:var(--shadow-sm);
}
.metric b{display:block;font-family:var(--font-serif);font-size:24px;color:var(--primary);line-height:1.2;}
.metric span{font-size:13.5px;color:var(--text-soft);}

/* ---------- sections ---------- */
.section{padding:52px 0;}
@media (min-width:1024px){.section{padding:84px 0;}}
.section-head{max-width:720px;}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;}
.h2{font-family:var(--font-serif);font-weight:700;font-size:26px;line-height:1.35;color:var(--primary-dark);margin:10px 0 0;}
@media (min-width:768px){.h2{font-size:32px;}}
.h3{font-family:var(--font-serif);font-weight:700;font-size:20px;line-height:1.45;color:var(--primary-dark);}
.section-sub{margin-top:12px;color:var(--text-soft);font-size:16px;}

.split{display:grid;grid-template-columns:1fr;gap:30px;align-items:center;margin-top:34px;}
@media (min-width:980px){.split{grid-template-columns:1fr 1fr;gap:52px;}}
.split img{width:100%;height:250px;object-fit:cover;border-radius:var(--radius-block);box-shadow:var(--shadow-sm);}
@media (min-width:768px){.split img{height:320px;}}
.check-list{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text-soft);}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:999px;background:var(--primary-light);
  color:var(--primary-dark);font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:4px;
}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:38px;}
.timeline::before{
  content:"";position:absolute;left:24px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(31,107,90,.12));
}
.tl-item{position:relative;padding-left:68px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:8px;top:8px;width:34px;height:34px;border-radius:999px;
  background:var(--surface);border:2px solid var(--primary);color:var(--primary-dark);
  font-size:12.5px;font-weight:800;display:grid;place-items:center;z-index:2;box-shadow:var(--shadow-sm);
}
.node-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.node-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(31,107,90,.3);}
.node-card p{margin:10px 0 0;color:var(--text-soft);font-size:15px;}
.node-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--primary);}
.node-link:hover{color:var(--accent);}
@media (min-width:900px){
  .timeline::before{left:50%;transform:translateX(-50%);}
  .tl-item{width:50%;padding-left:0;margin-bottom:34px;}
  .tl-item:nth-child(odd){padding-right:52px;text-align:right;}
  .tl-item:nth-child(odd) .tl-dot{left:auto;right:-17px;}
  .tl-item:nth-child(even){margin-left:50%;padding-left:52px;}
  .tl-item:nth-child(even) .tl-dot{left:-17px;}
  .tl-item:nth-child(odd) .node-link{justify-content:flex-end;}
}

/* ---------- symptom list ---------- */
.sym-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:34px;}
@media (min-width:820px){.sym-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.sym-item{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);
  border-left:4px solid var(--accent);border-radius:var(--radius-card);padding:20px 22px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;
}
.sym-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.sym-item .idx{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:rgba(217,119,6,.55);line-height:1;padding-top:2px;
}
.sym-item h3{margin:0;font-size:17px;font-weight:700;color:var(--primary-dark);}
.sym-item p{margin:8px 0 0;font-size:14.5px;color:var(--text-soft);}
.sym-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ---------- accordion ---------- */
.faq-wrap{margin-top:32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-block);box-shadow:var(--shadow-sm);overflow:hidden;}
.acc{border-bottom:1px solid var(--border);}
.acc:last-child{border-bottom:0;}
.acc-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--primary-dark);transition:background .2s;
}
.acc-q:hover{background:var(--primary-light);}
.acc-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid rgba(31,107,90,.35);
  display:grid;place-items:center;font-size:15px;line-height:1;color:var(--primary);transition:transform .25s,background .2s;
}
.acc.open .acc-ico{transform:rotate(45deg);background:var(--primary);color:#F8F5EF;border-color:var(--primary);}
.acc-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.acc-a p{margin:0;padding:0 22px 20px;color:var(--text-soft);font-size:15px;line-height:1.85;}

/* ---------- channel cards ---------- */
.chan-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:34px;}
@media (min-width:700px){.chan-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1080px){.chan-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.chan-card{
  display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.chan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(31,107,90,.35);}
.chan-card p{margin:0;font-size:14.5px;color:var(--text-soft);}
.chan-card .go{margin-top:auto;font-size:14px;font-weight:700;color:var(--primary);}
.chan-card:hover .go{color:var(--accent);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  border-radius:var(--radius-block);padding:32px;color:#F8F5EF;
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;box-shadow:var(--shadow-md);
}
@media (min-width:900px){.cta-band{grid-template-columns:1.1fr .9fr;padding:44px;gap:40px;}}
.cta-band h2{font-family:var(--font-serif);font-size:24px;font-weight:700;margin:0;color:#F8F5EF;}
@media (min-width:768px){.cta-band h2{font-size:30px;}}
.cta-band p{margin:12px 0 0;color:rgba(248,245,239,.86);font-size:15.5px;}
.sub-form{display:flex;flex-direction:column;gap:12px;}
@media (min-width:560px){.sub-form{flex-direction:row;}}
.sub-form input{
  flex:1;height:48px;border-radius:var(--radius-btn);border:1px solid rgba(248,245,239,.45);
  background:rgba(255,255,255,.98);padding:0 16px;font-size:15px;color:var(--text);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.sub-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,6,.28);}
.form-msg{font-size:14px;margin:10px 0 0;min-height:20px;}
.form-msg.ok{color:#B7E4D5;}
.form-msg.err{color:#FFD3CB;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:#F8F5EF;margin-top:52px;padding:48px 0 24px;}
@media (min-width:1024px){.site-footer{padding:64px 0 28px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:760px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1080px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}}
.footer-title{font-family:var(--font-serif);font-size:16px;font-weight:700;color:#F8F5EF;margin:0 0 14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(248,245,239,.8);font-size:14.5px;transition:color .2s;}
.footer-links a:hover{color:var(--accent);}
.foot-note{color:rgba(248,245,239,.75);font-size:14.5px;line-height:1.8;margin:0;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(248,245,239,.18);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(248,245,239,.7);
}

/* roulang page: category5 */
:root{
    --brand:#1F6B5A;
    --brand-dark:#143F35;
    --brand-light:#E8F1EE;
    --accent:#D97706;
    --accent-light:#FFF4E0;
    --danger:#B23A2E;
    --bg:#F8F5EF;
    --surface:#FFFFFF;
    --border:#E6DFD3;
    --text:#1C1C1C;
    --text-2:#5B5B52;
    --inv:#F8F5EF;
    --r-btn:12px;
    --r-card:18px;
    --r-block:24px;
    --shadow-sm:0 8px 24px rgba(28,28,28,.06);
    --shadow-lg:0 12px 32px rgba(28,28,28,.10);
    --serif:'Noto Serif SC','Songti SC',Georgia,serif;
    --sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--sans);
    font-size:16.5px;
    line-height:1.8;
    letter-spacing:.02em;
  }
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
  ul,ol{padding-left:1.15em;}
  a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
  a:hover{color:var(--accent);}
  img{max-width:100%;display:block;height:auto;}
  button,input{font-family:inherit;}
  button{cursor:pointer;}
  table{border-collapse:collapse;width:100%;}
  :focus-visible{outline:2px solid rgba(31,107,90,.45);outline-offset:2px;border-radius:6px;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
  .no-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container-x{padding:0 28px;} }
  @media (min-width:1024px){ .container-x{padding:0 32px;} }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(248,245,239,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border);
  }
  .topline{display:flex;align-items:center;gap:16px;padding:12px 0;}
  .brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto;}
  .brand:hover{color:var(--text);}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:46px;height:46px;border-radius:14px;
    background:linear-gradient(150deg,var(--brand-dark),var(--brand));
    color:var(--inv);font-weight:700;font-size:15px;letter-spacing:.06em;
    box-shadow:var(--shadow-sm);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-title{font-family:var(--serif);font-weight:700;font-size:17px;letter-spacing:.01em;}
  .brand-sub{font-size:12.5px;color:var(--text-2);letter-spacing:.04em;}
  .search-wrap{
    flex:1 1 auto;max-width:420px;position:relative;display:none;
  }
  @media (min-width:900px){ .search-wrap{display:block;} }
  .search-wrap input{
    width:100%;height:46px;border-radius:999px;border:1px solid var(--border);
    background:var(--surface);padding:0 18px 0 44px;font-size:14.5px;color:var(--text);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search-wrap input::placeholder{color:#9a978d;}
  .search-wrap input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,107,90,.14);outline:none;}
  .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.55;}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:44px;padding:0 20px;border-radius:var(--r-btn);
    background:var(--brand);color:#fff;font-weight:700;font-size:14.5px;
    border:1px solid var(--brand);white-space:nowrap;
    transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
    box-shadow:var(--shadow-sm);
  }
  .nav-cta:hover{background:#1a5a4b;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
  .nav-cta:active{transform:translateY(0);}
  .desk-cta{display:none;margin-left:auto;}
  @media (min-width:768px){ .desk-cta{display:inline-flex;} }
  .menu-btn{
    margin-left:auto;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--border);background:var(--surface);color:var(--brand);
    font-size:18px;line-height:1;display:inline-flex;align-items:center;justify-content:center;
    transition:border-color .18s ease,background .18s ease;
  }
  .menu-btn:hover{border-color:var(--brand);background:var(--brand-light);}
  @media (min-width:768px){
    .menu-btn{display:none;}
    .desk-cta{display:inline-flex;}
  }

  .channelline{border-top:1px solid var(--border);background:rgba(255,255,255,.6);}
  .channelline-inner{
    display:flex;align-items:center;gap:10px;
    padding:10px 0;overflow-x:auto;-webkit-overflow-scrolling:touch;
  }
  .chan{
    flex:0 0 auto;display:inline-flex;align-items:center;
    height:38px;padding:0 16px;border-radius:999px;
    border:1px solid var(--brand);background:var(--surface);color:var(--brand);
    font-size:14px;font-weight:600;letter-spacing:.02em;
    transition:background .18s ease,color .18s ease,transform .18s ease;
  }
  .chan:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
  .chan.active{background:var(--brand);color:var(--inv);border-color:var(--brand);}

  /* mobile drawer */
  .drawer{
    position:fixed;inset:0 0 0 auto;width:min(88vw,360px);
    background:var(--bg);border-left:1px solid var(--border);
    transform:translateX(102%);transition:transform .28s ease;
    z-index:90;padding:22px 22px 40px;overflow-y:auto;
    box-shadow:-12px 0 32px rgba(28,28,28,.14);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-scrim{
    position:fixed;inset:0;background:rgba(20,63,53,.42);
    opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:80;
  }
  .drawer-scrim.open{opacity:1;pointer-events:auto;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
    background:var(--surface);color:var(--brand);font-size:18px;
  }
  .drawer-title{font-family:var(--serif);font-weight:700;font-size:16px;}
  .drawer-group{margin-top:22px;}
  .drawer-label{font-size:12.5px;letter-spacing:.16em;color:var(--text-2);text-transform:uppercase;margin-bottom:10px;}
  .drawer-link{
    display:block;padding:12px 14px;border-radius:12px;border:1px solid var(--border);
    background:var(--surface);color:var(--text);font-size:15px;margin-bottom:8px;
  }
  .drawer-link:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-dark);}
  .drawer-link.active{background:var(--brand);border-color:var(--brand);color:var(--inv);}
  .drawer input{
    width:100%;height:46px;border-radius:12px;border:1px solid var(--border);
    background:var(--surface);padding:0 14px;font-size:14.5px;margin-bottom:10px;
  }
  .drawer input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,107,90,.14);outline:none;}

  /* ---------- generic ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:76px 0;} }
  @media (min-width:1024px){ .section{padding:92px 0;} }
  .sec-head{max-width:760px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.14em;color:var(--brand);
    background:var(--brand-light);border-radius:999px;padding:6px 14px;font-weight:700;
  }
  .h2{font-family:var(--serif);font-size:27px;font-weight:700;letter-spacing:.01em;line-height:1.35;margin-top:14px;}
  @media (min-width:768px){ .h2{font-size:32px;} }
  .lead{color:var(--text-2);font-size:16.5px;margin-top:14px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--shadow-sm);}
  .btn-primary:hover{background:#1a5a4b;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:var(--surface);color:var(--brand);border-color:var(--brand);}
  .btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
  .btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
  .btn-accent:hover{background:#bf6a05;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
  .badge{
    display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
    font-size:12.5px;font-weight:700;letter-spacing:.02em;
    background:var(--brand-light);color:var(--brand-dark);
  }
  .badge-amber{background:var(--accent-light);color:#9a5a05;}
  .badge-red{background:#FBEAE7;color:var(--danger);}
  .badge-plain{background:#F1EDE4;color:var(--text-2);}
  .card{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
    box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(31,107,90,.3);}
  .crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);padding:18px 0 0;overflow-x:auto;white-space:nowrap;}
  .crumb a{color:var(--text-2);}
  .crumb a:hover{color:var(--brand);}
  .crumb .now{color:var(--brand);font-weight:600;}

  /* ---------- hero ---------- */
  .hero{
    position:relative;overflow:hidden;border-radius:var(--r-block);
    background-image:linear-gradient(115deg,rgba(20,63,53,.9),rgba(31,107,90,.68)),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    color:var(--inv);padding:44px 26px;
    box-shadow:var(--shadow-lg);
  }
  @media (min-width:768px){ .hero{padding:62px 46px;} }
  .hero .eyebrow{background:rgba(248,245,239,.16);color:#F6E7CE;letter-spacing:.12em;}
  .hero h1{
    font-family:var(--serif);font-weight:700;letter-spacing:.01em;
    font-size:29px;line-height:1.3;margin-top:18px;max-width:760px;
  }
  @media (min-width:768px){ .hero h1{font-size:40px;} }
  @media (min-width:1200px){ .hero h1{font-size:44px;} }
  .hero p{max-width:680px;color:rgba(248,245,239,.88);font-size:16.5px;margin-top:16px;}
  .hero-metrics{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .metric{
    background:rgba(248,245,239,.12);border:1px solid rgba(248,245,239,.26);
    border-radius:14px;padding:12px 16px;min-width:132px;
  }
  .metric b{display:block;font-family:var(--serif);font-size:22px;line-height:1.2;}
  .metric span{font-size:12.5px;color:rgba(248,245,239,.8);}

  /* ---------- filter tabs ---------- */
  .filters{display:flex;gap:10px;overflow-x:auto;padding:6px 0 4px;}
  .filter-tab{
    flex:0 0 auto;height:40px;padding:0 18px;border-radius:999px;
    border:1px solid var(--border);background:var(--surface);color:var(--text-2);
    font-size:14px;font-weight:600;transition:all .18s ease;
  }
  .filter-tab:hover{border-color:var(--brand);color:var(--brand);}
  .filter-tab.active{background:var(--brand);border-color:var(--brand);color:var(--inv);}

  /* ---------- index table ---------- */
  .table-shell{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .index-table{display:none;}
  @media (min-width:900px){ .index-table{display:table;} }
  .index-table thead th{
    text-align:left;font-size:13px;letter-spacing:.1em;color:var(--text-2);font-weight:700;
    padding:16px 22px;background:#F4F0E7;border-bottom:1px solid var(--border);
  }
  .index-table tbody td{padding:20px 22px;border-bottom:1px solid var(--border);vertical-align:top;font-size:15px;}
  .index-table tbody tr:last-child td{border-bottom:none;}
  .index-table tbody tr{transition:background .18s ease;}
  .index-table tbody tr:hover{background:#FBF9F4;}
  .idx-name{font-family:var(--serif);font-weight:700;font-size:16.5px;color:var(--text);}
  .idx-desc{color:var(--text-2);font-size:14.5px;margin-top:6px;max-width:520px;}
  .idx-meta{font-size:13px;color:var(--text-2);margin-top:8px;}
  .idx-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
  }
  .idx-link:hover{color:var(--accent);}

  .idx-cards{display:grid;gap:16px;}
  @media (min-width:900px){ .idx-cards{display:none;} }
  .idx-card{padding:22px;}
  .idx-card .idx-desc{max-width:none;}

  /* ---------- how to read ---------- */
  .read-grid{display:grid;gap:20px;margin-top:32px;}
  @media (min-width:900px){ .read-grid{grid-template-columns:1.15fr .85fr;} }
  .steps{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm);}
  .step{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--border);}
  .step:last-child{border-bottom:none;padding-bottom:0;}
  .step:first-child{padding-top:0;}
  .step-no{
    flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:var(--brand-light);color:var(--brand-dark);
    display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;
  }
  .step h3{font-family:var(--serif);font-size:18px;font-weight:700;}
  .step p{color:var(--text-2);font-size:14.8px;margin-top:6px;}
  .side-note{
    border-radius:var(--r-card);padding:26px;color:var(--inv);
    background-image:linear-gradient(150deg,rgba(20,63,53,.94),rgba(31,107,90,.84)),url('/assets/images/coverpic/cover-9.png');
    background-size:cover;background-position:center;box-shadow:var(--shadow-sm);
  }
  .side-note h3{font-family:var(--serif);font-size:20px;font-weight:700;}
  .side-note p{color:rgba(248,245,239,.86);font-size:14.8px;margin-top:12px;}
  .side-note ul{margin-top:16px;padding-left:18px;color:rgba(248,245,239,.9);font-size:14.6px;}
  .side-note li{margin-bottom:8px;}

  /* ---------- FAQ ---------- */
  .faq{border-top:1px solid var(--border);margin-top:6px;}
  .faq-item{border-bottom:1px solid var(--border);}
  .faq-q{
    width:100%;background:transparent;border:0;text-align:left;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:62px;padding:14px 4px;font-size:16.5px;font-weight:600;color:var(--text);
    font-family:var(--serif);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-sign{
    flex:0 0 auto;width:30px;height:30px;border-radius:999px;border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;color:var(--brand);
    font-size:17px;transition:transform .22s ease,background .22s ease,color .22s ease;
  }
  .faq-item.open .faq-sign{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{color:var(--text-2);font-size:15px;padding:0 4px 20px;max-width:820px;}
  .faq-item.open .faq-a{max-height:340px;}

  /* ---------- CTA ---------- */
  .cta-band{
    border-radius:var(--r-block);padding:32px 26px;
    background:linear-gradient(120deg,var(--brand-dark),var(--brand));
    color:var(--inv);box-shadow:var(--shadow-lg);
    display:grid;gap:24px;
  }
  @media (min-width:900px){ .cta-band{grid-template-columns:1fr 1fr;align-items:center;padding:44px 46px;} }
  .cta-band h2{font-family:var(--serif);font-size:25px;font-weight:700;line-height:1.35;}
  @media (min-width:768px){ .cta-band h2{font-size:29px;} }
  .cta-band p{color:rgba(248,245,239,.86);font-size:15.5px;margin-top:12px;}
  .sub-form{display:flex;flex-wrap:wrap;gap:10px;}
  .sub-form input{
    flex:1 1 220px;height:48px;border-radius:12px;border:1px solid rgba(248,245,239,.42);
    background:rgba(255,255,255,.97);padding:0 16px;font-size:15px;color:var(--text);
  }
  .sub-form input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,119,6,.24);outline:none;}
  .form-msg{font-size:14px;margin-top:10px;min-height:20px;}
  .form-msg.ok{color:#C8E6D8;}
  .form-msg.err{color:#F6C3B8;}

  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{
    display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
    border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-size:14px;font-weight:600;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--brand-dark);color:var(--inv);margin-top:20px;
    padding:56px 0 26px;
  }
  .footer-grid{display:grid;gap:32px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;} }
  .footer-title{font-size:13px;letter-spacing:.16em;color:rgba(248,245,239,.72);margin-bottom:14px;font-weight:700;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:rgba(248,245,239,.82);font-size:14.8px;}
  .footer-links a:hover{color:var(--accent);}
  .foot-note{color:rgba(248,245,239,.72);font-size:14px;}
  .footer-bottom{
    margin-top:38px;padding-top:20px;border-top:1px solid rgba(248,245,239,.18);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    color:rgba(248,245,239,.68);font-size:13.5px;
  }
  .site-footer .form-msg{color:#F6C3B8;}
  .site-footer .form-msg.ok{color:#C8E6D8;}