/* roulang page: index */
:root{
      --primary:#7b3f4b;
      --primary-dark:#5f2e38;
      --primary-soft:rgba(123,63,75,.11);
      --accent:#b9826b;
      --accent-soft:#f2ded3;
      --sand:#efe4d3;
      --sand-light:#fbf5ec;
      --ivory:#fffaf2;
      --mist:#f6f0e8;
      --cocoa:#5c463e;
      --text:#2e2926;
      --muted:#756a64;
      --border:#e4d6c7;
      --white:#fffdf9;
      --footer:#302824;
      --shadow:0 22px 60px rgba(80,45,35,.09);
      --shadow-sm:0 12px 30px rgba(80,45,35,.07);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-pill:999px;
      --container:1220px;
      --nav-height:84px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 6%, rgba(185,130,107,.16), transparent 32%),
        radial-gradient(circle at 88% 10%, rgba(123,63,75,.10), transparent 26%),
        linear-gradient(180deg,var(--ivory) 0%,var(--mist) 52%,var(--ivory) 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font-family:inherit}
    ::selection{background:var(--primary);color:#fff}
    .container{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,250,242,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(228,214,199,.78);
      box-shadow:0 8px 28px rgba(80,45,35,.04);
    }
    .navbar{
      min-height:var(--nav-height);
      padding:12px 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      max-width:420px;
      color:var(--text);
      font-weight:800;
      letter-spacing:-.04em;
      line-height:1.16;
      white-space:normal;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 42px;
      border-radius:16px;
      background:
        linear-gradient(135deg,var(--primary),var(--accent)),
        radial-gradient(circle at 30% 20%,#fff 0 12%,transparent 13%);
      box-shadow:0 12px 28px rgba(123,63,75,.18);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(255,255,255,.58);
      border-radius:12px;
    }
    .brand-text{
      font-size:17px;
      color:var(--text);
    }
    .brand-sub{
      display:block;
      font-size:11px;
      font-weight:600;
      color:var(--muted);
      letter-spacing:.08em;
      margin-top:2px;
    }
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:var(--white);
    }
    .navbar-toggler:focus{
      outline:3px solid rgba(123,63,75,.2);
    }
    .navbar-nav{
      gap:6px;
      align-items:center;
    }
    .nav-link{
      color:var(--cocoa);
      font-weight:700;
      font-size:14px;
      padding:10px 16px!important;
      border-radius:var(--radius-pill);
      position:relative;
    }
    .nav-link:hover,
    .nav-link:focus{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .nav-link.active{
      color:#fff!important;
      background:var(--primary);
      box-shadow:0 8px 20px rgba(123,63,75,.16);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:18px;
    }
    .status-badge,.badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:var(--radius-pill);
      padding:8px 12px;
      font-size:12px;
      font-weight:800;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(123,63,75,.12);
      white-space:nowrap;
    }
    .status-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(185,130,107,.13);
    }
    .btn{
      border-radius:var(--radius-pill);
      font-weight:800;
      padding:12px 20px;
      border:1px solid transparent;
      transition:all .25s ease;
      letter-spacing:-.01em;
    }
    .btn:focus,.btn:focus-visible{
      box-shadow:none!important;
      outline:3px solid rgba(123,63,75,.22);
      outline-offset:2px;
    }
    .btn-primary{
      background:var(--primary);
      border-color:var(--primary);
      color:#fff;
      box-shadow:0 14px 30px rgba(123,63,75,.18);
    }
    .btn-primary:hover,.btn-primary:active{
      background:var(--primary-dark)!important;
      border-color:var(--primary-dark)!important;
      transform:translateY(-2px);
    }
    .btn-outline{
      background:rgba(255,253,249,.72);
      border-color:var(--border);
      color:var(--text);
    }
    .btn-outline:hover{
      background:var(--white);
      border-color:rgba(123,63,75,.34);
      color:var(--primary-dark);
      transform:translateY(-2px);
    }
    .btn-arrow span{
      display:inline-block;
      transition:transform .25s ease;
    }
    .btn-arrow:hover span{transform:translateX(4px)}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:72px 0}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:900;
      letter-spacing:.1em;
      margin-bottom:14px;
    }
    .eyebrow:before{
      content:"";
      width:34px;
      height:1px;
      background:var(--primary);
      opacity:.7;
    }
    h1,h2,h3,h4{
      color:var(--text);
      letter-spacing:-.055em;
      line-height:1.12;
      margin:0;
      font-weight:900;
    }
    h1{
      font-size:clamp(36px,6vw,68px);
      max-width:820px;
    }
    h2{font-size:clamp(30px,4vw,44px)}
    h3{font-size:clamp(21px,2.3vw,27px)}
    p{margin:0;color:var(--muted)}
    .lead-text{
      font-size:18px;
      color:var(--cocoa);
      max-width:710px;
      margin-top:22px;
      line-height:1.85;
    }
    .hero{
      padding:74px 0 52px;
    }
    .hero-shell{
      border:1px solid var(--border);
      border-radius:42px;
      background:
        linear-gradient(135deg,rgba(255,253,249,.96),rgba(251,245,236,.9)),
        radial-gradient(circle at 80% 24%,rgba(185,130,107,.18),transparent 28%);
      box-shadow:var(--shadow);
      padding:48px;
      overflow:hidden;
      position:relative;
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      right:-120px;
      top:-120px;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(123,63,75,.08);
    }
    .hero-shell:after{
      content:"";
      position:absolute;
      left:34px;
      bottom:28px;
      width:150px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--accent),transparent);
      opacity:.45;
    }
    .hero-content{position:relative;z-index:2}
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:24px 0 30px;
    }
    .topic-tag{
      display:inline-flex;
      align-items:center;
      border-radius:var(--radius-pill);
      padding:8px 13px;
      background:var(--white);
      border:1px solid var(--border);
      color:var(--cocoa);
      font-size:13px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(80,45,35,.04);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:8px;
    }
    .cover-card{
      position:relative;
      z-index:2;
      min-height:510px;
      border-radius:34px;
      background:
        linear-gradient(155deg,#6f3944 0%,#9b6256 48%,#ead5c5 100%);
      padding:28px;
      color:#fff;
      overflow:hidden;
      box-shadow:0 30px 70px rgba(123,63,75,.22);
    }
    .cover-card:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border:1px solid rgba(255,255,255,.24);
      border-radius:50%;
      right:-70px;
      top:-50px;
    }
    .cover-card:after{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:26px;
      pointer-events:none;
    }
    .cover-top{
      position:relative;
      z-index:2;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      margin-bottom:80px;
    }
    .cover-label{
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
      color:#fff;
      border-radius:var(--radius-pill);
      padding:8px 12px;
      font-size:12px;
      font-weight:800;
    }
    .cover-index{
      position:relative;
      z-index:2;
      margin-top:auto;
    }
    .cover-index h2{
      color:#fff;
      font-size:42px;
      letter-spacing:-.05em;
      margin-bottom:16px;
    }
    .index-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .index-list li{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(8px);
      color:#fff;
      font-weight:700;
    }
    .index-list em{
      font-style:normal;
      color:#ffe7d5;
      font-weight:900;
      min-width:36px;
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:34px;
    }
    .metric{
      background:rgba(255,253,249,.76);
      border:1px solid var(--border);
      border-radius:22px;
      padding:18px;
    }
    .metric strong{
      display:block;
      color:var(--primary-dark);
      font-size:26px;
      line-height:1;
      letter-spacing:-.04em;
    }
    .metric span{
      display:block;
      margin-top:8px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .directory-band{
      background:linear-gradient(180deg,rgba(255,253,249,.58),rgba(239,228,211,.38));
      border-top:1px solid rgba(228,214,199,.72);
      border-bottom:1px solid rgba(228,214,199,.72);
    }
    .timeline{
      display:grid;
      grid-template-columns:1.05fr 1fr;
      gap:26px;
      align-items:stretch;
    }
    .directory-intro{
      background:var(--footer);
      color:#fff;
      border-radius:var(--radius-xl);
      padding:36px;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .directory-intro:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-90px;
      width:240px;
      height:240px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.16);
    }
    .directory-intro h2{color:#fff}
    .directory-intro p{color:rgba(255,255,255,.72);margin-top:18px}
    .directory-items{
      display:grid;
      gap:16px;
    }
    .dir-item{
      display:grid;
      grid-template-columns:64px 1fr auto;
      gap:18px;
      align-items:center;
      background:var(--white);
      border:1px solid var(--border);
      border-radius:24px;
      padding:20px;
      box-shadow:var(--shadow-sm);
      transition:all .28s ease;
    }
    .dir-item:hover{
      transform:translateY(-5px);
      border-color:rgba(123,63,75,.32);
      box-shadow:var(--shadow);
    }
    .dir-no{
      width:56px;
      height:56px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--accent-soft);
      color:var(--primary-dark);
      font-weight:900;
      font-size:18px;
    }
    .dir-item h3{
      font-size:21px;
      margin-bottom:5px;
    }
    .dir-item p{
      font-size:14px;
      display:-webkit-box;
      -webkit-line-clamp:1;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .dir-state{
      font-size:12px;
      font-weight:900;
      color:var(--primary-dark);
      background:var(--primary-soft);
      padding:7px 10px;
      border-radius:var(--radius-pill);
      white-space:nowrap;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:24px;
      align-items:stretch;
    }
    .featured-card,.compact-card,.rel-card,.proof-card{
      background:var(--white);
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-sm);
      transition:all .28s ease;
      overflow:hidden;
    }
    .featured-card:hover,.compact-card:hover,.rel-card:hover,.proof-card:hover{
      transform:translateY(-5px);
      border-color:rgba(123,63,75,.35);
      box-shadow:var(--shadow);
    }
    .featured-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      min-height:430px;
    }
    .abstract-cover{
      min-height:100%;
      background:
        radial-gradient(circle at 32% 24%,rgba(255,250,242,.78),transparent 24%),
        linear-gradient(145deg,var(--primary),#9c695a 60%,#ead1c0);
      position:relative;
      overflow:hidden;
    }
    .abstract-cover:before,.abstract-cover:after{
      content:"";
      position:absolute;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.32);
    }
    .abstract-cover:before{width:220px;height:220px;left:-60px;bottom:-50px}
    .abstract-cover:after{width:150px;height:150px;right:26px;top:38px}
    .featured-body{
      padding:34px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:18px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      border-radius:var(--radius-pill);
      padding:7px 10px;
      background:var(--sand-light);
      color:var(--primary-dark);
      border:1px solid var(--border);
      font-size:12px;
      font-weight:900;
    }
    .featured-body h3{
      font-size:30px;
      margin-bottom:14px;
    }
    .featured-body p,
    .compact-card p,
    .rel-card p{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      font-weight:900;
      margin-top:20px;
    }
    .text-link:hover{gap:12px;color:var(--primary)}
    .compact-list{
      display:grid;
      gap:16px;
    }
    .compact-card{
      border-radius:24px;
      padding:24px;
    }
    .compact-card h3{
      font-size:22px;
      margin-bottom:10px;
    }
    .recommend-wrap{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .rel-card{
      border-radius:24px;
      padding:24px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
    }
    .rel-card h3{
      font-size:22px;
      margin:7px 0;
    }
    .rel-arrow{
      width:44px;
      height:44px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--primary-dark);
      background:var(--primary-soft);
      font-weight:900;
      transition:all .25s ease;
    }
    .rel-card:hover .rel-arrow{
      background:var(--primary);
      color:#fff;
      transform:translateX(4px);
    }
    .proof-section{
      padding:28px 0 86px;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .proof-card{
      border-radius:24px;
      padding:24px;
      min-height:160px;
    }
    .proof-card strong{
      display:block;
      color:var(--primary-dark);
      font-size:32px;
      line-height:1;
      letter-spacing:-.05em;
      margin-bottom:12px;
    }
    .proof-card span{
      display:block;
      color:var(--text);
      font-weight:900;
      margin-bottom:8px;
    }
    .proof-card p{
      font-size:14px;
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:var(--white);
      box-shadow:0 10px 26px rgba(80,45,35,.045);
    }
    .accordion-button{
      background:var(--white)!important;
      color:var(--text)!important;
      font-weight:900;
      font-size:17px;
      padding:22px 24px;
      box-shadow:none!important;
      border:0;
    }
    .accordion-button:not(.collapsed){
      background:var(--primary-soft)!important;
      color:var(--primary-dark)!important;
    }
    .accordion-button:focus{
      outline:3px solid rgba(123,63,75,.18);
      outline-offset:-3px;
      box-shadow:none;
    }
    .accordion-button::after{
      filter:sepia(.4) saturate(.9);
    }
    .accordion-body{
      color:var(--muted);
      padding:0 24px 24px;
      line-height:1.85;
    }
    .cta-panel{
      border-radius:38px;
      background:
        linear-gradient(135deg,var(--footer),#4b332e 55%,#7d4a42);
      padding:44px;
      color:#fff;
      position:relative;
      overflow:hidden;
      box-shadow:0 28px 70px rgba(80,45,35,.16);
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      right:-120px;
      top:-130px;
      width:340px;
      height:340px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.16);
    }
    .cta-panel h2{color:#fff}
    .cta-panel p{color:rgba(255,255,255,.72);font-size:17px;margin-top:14px}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      position:relative;
      z-index:2;
    }
    .cta-actions .btn-outline{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.24);
      color:#fff;
    }
    .cta-actions .btn-outline:hover{
      background:rgba(255,255,255,.15);
      color:#fff;
    }
    .site-footer{
      background:var(--footer);
      color:rgba(255,255,255,.74);
      padding:64px 0 28px;
      margin-top:20px;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.04em;
      margin-bottom:16px;
    }
    .footer-brand .brand-mark{
      width:38px;height:38px;flex-basis:38px;
    }
    .footer-text{
      max-width:520px;
      color:rgba(255,255,255,.66);
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.66);
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-note{
      border-top:1px solid rgba(255,255,255,.1);
      margin-top:42px;
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(255,255,255,.52);
    }
    .divider-line{
      height:1px;
      background:linear-gradient(90deg,transparent,var(--border),transparent);
      margin:6px 0;
    }
    .visually-card{
      background:rgba(255,253,249,.7);
      border:1px solid var(--border);
      border-radius:26px;
      padding:24px;
    }
    @media (max-width:1199px){
      .navbar-brand{max-width:350px}
      .brand-text{font-size:15px}
      .hero-shell{padding:38px}
      .cover-card{min-height:470px}
      .featured-card{grid-template-columns:1fr}
      .abstract-cover{min-height:210px}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      :root{--nav-height:74px}
      .navbar-collapse{
        margin-top:14px;
        padding:18px;
        border:1px solid var(--border);
        border-radius:24px;
        background:var(--white);
        box-shadow:var(--shadow-sm);
      }
      .navbar-nav{align-items:stretch;gap:8px}
      .nav-actions{
        margin-left:0;
        margin-top:14px;
        align-items:stretch;
        flex-direction:column;
      }
      .status-badge{justify-content:center}
      .hero{padding-top:40px}
      .hero-shell{border-radius:30px;padding:30px}
      .cover-card{margin-top:28px;min-height:420px}
      .timeline,.feature-grid{grid-template-columns:1fr}
      .recommend-wrap{grid-template-columns:1fr}
      .section{padding:70px 0}
      .cta-actions{justify-content:flex-start;margin-top:24px}
    }
    @media (max-width:767px){
      h1{font-size:clamp(32px,10vw,44px)}
      h2{font-size:30px}
      .brand-text{font-size:14px}
      .brand-sub{display:none}
      .hero-shell{padding:24px;border-radius:26px}
      .lead-text{font-size:16px}
      .hero-actions .btn,.cta-actions .btn{width:100%;justify-content:center}
      .metric-row{grid-template-columns:1fr}
      .dir-item{
        grid-template-columns:48px 1fr;
      }
      .dir-state{
        grid-column:2;
        justify-self:start;
      }
      .dir-no{width:46px;height:46px;border-radius:16px}
      .directory-intro,.cta-panel{padding:28px;border-radius:28px}
      .featured-body{padding:26px}
      .featured-body h3{font-size:25px}
      .proof-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
      .site-footer{padding-top:48px}
      .footer-note{display:block}
      .footer-note span{display:block;margin-bottom:8px}
    }
    @media (max-width:480px){
      .container{padding-left:18px;padding-right:18px}
      .navbar-brand{gap:9px}
      .brand-mark{width:36px;height:36px;flex-basis:36px;border-radius:13px}
      .topic-tag{font-size:12px;padding:7px 10px}
      .cover-card{padding:22px;border-radius:26px;min-height:390px}
      .cover-index h2{font-size:32px}
      .index-list li{font-size:14px}
      .compact-card,.rel-card,.proof-card{padding:20px;border-radius:20px}
      .accordion-button{padding:19px 20px}
      .accordion-body{padding:0 20px 20px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#7a3f46;
      --color-primary-dark:#603139;
      --color-primary-soft:rgba(122,63,70,.11);
      --color-accent:#b98273;
      --color-accent-soft:#f1ddd6;
      --color-sand:#eadcc9;
      --color-cocoa:#6d5448;
      --color-bg:#fbf7f1;
      --color-bg-2:#f5ede3;
      --color-bg-3:#fffaf4;
      --color-text:#2f2925;
      --color-muted:#786a61;
      --color-border:#e4d6c8;
      --shadow-soft:0 18px 50px rgba(80,45,35,.08);
      --shadow-hover:0 24px 70px rgba(80,45,35,.13);
      --radius-lg:30px;
      --radius-md:22px;
      --radius-sm:16px;
      --container-max:1220px;
      --transition:.28s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 6%, rgba(185,130,115,.18), transparent 28%),
        radial-gradient(circle at 88% 20%, rgba(122,63,70,.12), transparent 25%),
        linear-gradient(180deg,var(--color-bg),#fffaf4 42%,var(--color-bg-2));
      line-height:1.75;
      overflow-x:hidden;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
    }
    a:hover{color:var(--color-primary)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:var(--color-primary);color:#fff}

    .container{
      width:100%;
      max-width:var(--container-max);
      padding-left:24px;
      padding-right:24px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(251,247,241,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(228,214,200,.72);
      box-shadow:0 10px 35px rgba(80,45,35,.04);
    }

    .navbar{
      min-height:82px;
      padding:12px 0;
    }

    .navbar-brand{
      display:flex;
      align-items:center;
      gap:13px;
      margin-right:34px;
      color:var(--color-text);
      white-space:normal;
    }

    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 42px;
      border-radius:16px;
      background:
        linear-gradient(135deg,rgba(122,63,70,.95),rgba(185,130,115,.82)),
        radial-gradient(circle at 30% 20%,#fff 0 12%,transparent 13%);
      box-shadow:0 12px 28px rgba(122,63,70,.22);
      position:relative;
      overflow:hidden;
    }

    .brand-mark::after{
      content:"";
      position:absolute;
      width:22px;
      height:22px;
      border:1px solid rgba(255,255,255,.58);
      border-radius:999px;
      right:-5px;
      bottom:-3px;
    }

    .brand-text{
      display:block;
      font-size:18px;
      line-height:1.15;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--color-primary-dark);
      max-width:320px;
    }

    .brand-sub{
      display:block;
      margin-top:3px;
      font-size:12px;
      color:var(--color-muted);
      letter-spacing:.08em;
    }

    .navbar-toggler{
      border:1px solid var(--color-border);
      border-radius:14px;
      padding:9px 11px;
      background:#fffaf4;
      box-shadow:none;
    }

    .navbar-toggler:focus{
      box-shadow:0 0 0 4px rgba(122,63,70,.14);
    }

    .navbar-toggler-icon{
      width:1.3em;
      height:1.3em;
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2896, 49, 57, .95%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    .navbar-nav{
      gap:8px;
      align-items:center;
    }

    .nav-link{
      position:relative;
      color:var(--color-cocoa);
      font-weight:700;
      padding:10px 15px!important;
      border-radius:999px;
    }

    .nav-link:hover{
      color:var(--color-primary-dark);
      background:rgba(122,63,70,.07);
    }

    .nav-link.active{
      color:#fff!important;
      background:var(--color-primary);
      box-shadow:0 10px 24px rgba(122,63,70,.18);
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      margin-left:18px;
    }

    .status-badge,.badge-soft,.filter-pill,.meta-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      line-height:1;
      white-space:nowrap;
    }

    .status-badge{
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
      border:1px solid rgba(122,63,70,.14);
      padding:9px 12px;
    }

    .status-dot{
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(185,130,115,.18);
    }

    .btn{
      border:0;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      padding:12px 20px;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    }

    .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,.accordion-button:focus-visible,.filter-pill:focus-visible{
      outline:3px solid rgba(122,63,70,.22);
      outline-offset:3px;
      box-shadow:none;
    }

    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 14px 34px rgba(122,63,70,.22);
    }

    .btn-primary:hover,.btn-primary:active{
      background:var(--color-primary-dark)!important;
      color:#fff!important;
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(122,63,70,.28);
    }

    .btn-outline{
      background:#fffaf4;
      color:var(--color-primary-dark);
      border:1px solid var(--color-border);
    }

    .btn-outline:hover{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      border-color:rgba(122,63,70,.25);
      transform:translateY(-2px);
    }

    .btn-sm{
      padding:10px 16px;
      font-size:14px;
    }

    .btn-arrow span{
      display:inline-block;
      margin-left:6px;
      transition:transform var(--transition);
    }
    .btn-arrow:hover span{transform:translateX(4px)}

    main{position:relative}
    .section{
      padding:88px 0;
      position:relative;
    }

    .section-sm{padding:64px 0}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--color-primary-dark);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
      background:var(--color-primary-soft);
      border:1px solid rgba(122,63,70,.13);
      border-radius:999px;
      padding:9px 13px;
      margin-bottom:18px;
    }

    .eyebrow::before{
      content:"";
      width:24px;
      height:1px;
      background:var(--color-primary);
      opacity:.72;
    }

    h1,h2,h3,h4{
      color:var(--color-text);
      font-weight:900;
      letter-spacing:-.045em;
      line-height:1.12;
      margin:0;
    }

    h1{
      font-size:clamp(34px,6.1vw,66px);
      max-width:820px;
    }

    h2{font-size:clamp(30px,4.2vw,44px)}
    h3{font-size:clamp(21px,2.3vw,27px)}
    p{margin:0;color:var(--color-muted)}

    .lead{
      font-size:18px;
      line-height:1.85;
      color:#62544c;
      max-width:780px;
    }

    .category-hero{
      padding:64px 0 42px;
    }

    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,250,244,.96),rgba(245,237,227,.98)),
        radial-gradient(circle at 88% 18%,rgba(122,63,70,.16),transparent 30%);
      border:1px solid rgba(228,214,200,.9);
      box-shadow:var(--shadow-soft);
      padding:42px;
    }

    .hero-panel::before{
      content:"";
      position:absolute;
      width:310px;
      height:310px;
      border-radius:999px;
      right:-100px;
      top:-110px;
      background:rgba(185,130,115,.16);
      filter:blur(2px);
    }

    .hero-panel::after{
      content:"";
      position:absolute;
      inset:auto 34px 28px auto;
      width:168px;
      height:168px;
      border:1px solid rgba(122,63,70,.14);
      border-radius:36px;
      transform:rotate(8deg);
      pointer-events:none;
    }

    .hero-content{position:relative;z-index:2}
    .hero-copy{
      display:flex;
      flex-direction:column;
      gap:22px;
    }

    .tag-row,.filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .badge-soft{
      padding:9px 12px;
      color:var(--color-primary-dark);
      background:#f4e7df;
      border:1px solid rgba(185,130,115,.22);
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin-top:4px;
    }

    .index-card{
      position:relative;
      z-index:2;
      height:100%;
      background:rgba(255,250,244,.9);
      border:1px solid var(--color-border);
      border-radius:28px;
      padding:28px;
      box-shadow:0 16px 38px rgba(80,45,35,.06);
    }

    .index-card-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:24px;
    }

    .index-card-title{
      font-weight:900;
      color:var(--color-primary-dark);
      letter-spacing:-.02em;
    }

    .stat-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:13px;
      margin-bottom:22px;
    }

    .stat-box{
      border-radius:20px;
      padding:18px;
      background:linear-gradient(180deg,#fffaf4,#f7eee5);
      border:1px solid var(--color-border);
    }

    .stat-num{
      display:block;
      font-size:28px;
      line-height:1;
      font-weight:900;
      color:var(--color-primary);
      letter-spacing:-.04em;
    }

    .stat-label{
      display:block;
      margin-top:8px;
      font-size:13px;
      color:var(--color-muted);
      font-weight:700;
    }

    .mini-directory{
      display:grid;
      gap:10px;
    }

    .mini-item{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px 13px;
      border-radius:16px;
      background:#fffaf4;
      border:1px solid rgba(228,214,200,.76);
      color:var(--color-cocoa);
      font-weight:800;
      font-size:14px;
    }

    .mini-item span{
      width:27px;
      height:27px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-size:12px;
      flex:0 0 27px;
    }

    .layout-with-filter{
      display:grid;
      grid-template-columns:280px minmax(0,1fr);
      gap:30px;
      align-items:start;
    }

    .filter-sidebar{
      position:sticky;
      top:112px;
      padding:22px;
      border-radius:26px;
      background:rgba(255,250,244,.86);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
    }

    .filter-title{
      font-size:15px;
      font-weight:900;
      color:var(--color-primary-dark);
      margin-bottom:14px;
    }

    .filter-list{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .filter-pill{
      width:100%;
      justify-content:space-between;
      padding:13px 14px;
      background:#fffaf4;
      border:1px solid rgba(228,214,200,.86);
      color:var(--color-cocoa);
    }

    .filter-pill:hover{
      background:var(--color-primary-soft);
      border-color:rgba(122,63,70,.24);
      transform:translateX(3px);
    }

    .filter-pill.active{
      background:var(--color-primary);
      color:#fff;
      border-color:var(--color-primary);
      box-shadow:0 12px 28px rgba(122,63,70,.18);
    }

    .filter-note{
      margin-top:18px;
      padding-top:18px;
      border-top:1px dashed var(--color-border);
      font-size:13px;
      line-height:1.65;
    }

    .content-flow{
      display:grid;
      gap:18px;
    }

    .feature-card,.topic-row,.recommend-card,.notice-card{
      background:rgba(255,250,244,.92);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .feature-card:hover,.topic-row:hover,.recommend-card:hover,.notice-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(122,63,70,.28);
    }

    .feature-card{
      border-radius:30px;
      padding:32px;
      display:grid;
      grid-template-columns:1.3fr .7fr;
      gap:26px;
      overflow:hidden;
      position:relative;
    }

    .feature-card::after{
      content:"";
      position:absolute;
      right:28px;
      top:26px;
      width:90px;
      height:90px;
      border-radius:28px;
      background:linear-gradient(135deg,rgba(122,63,70,.12),rgba(185,130,115,.14));
      transform:rotate(10deg);
    }

    .card-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:14px;
    }

    .meta-pill{
      padding:8px 11px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      border:1px solid rgba(122,63,70,.13);
    }

    .time-text{
      font-size:13px;
      color:var(--color-muted);
      font-weight:700;
    }

    .feature-card h3,.topic-row h3{
      margin-bottom:12px;
    }

    .line-clamp-2{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }

    .cover-abstract{
      min-height:210px;
      border-radius:26px;
      background:
        radial-gradient(circle at 28% 25%,rgba(255,250,244,.9),transparent 16%),
        radial-gradient(circle at 72% 66%,rgba(122,63,70,.2),transparent 25%),
        linear-gradient(135deg,#eadcc9,#cfa799 54%,#7a3f46);
      position:relative;
      overflow:hidden;
    }

    .cover-abstract::before,.cover-abstract::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.38);
      border-radius:999px;
    }

    .cover-abstract::before{
      width:160px;
      height:160px;
      left:-42px;
      bottom:-36px;
    }

    .cover-abstract::after{
      width:82px;
      height:82px;
      right:26px;
      top:26px;
    }

    .topic-row{
      border-radius:24px;
      padding:24px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:22px;
      align-items:center;
    }

    .topic-row .arrow{
      width:44px;
      height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
      font-weight:900;
      transition:transform var(--transition), background var(--transition), color var(--transition);
    }

    .topic-row:hover .arrow{
      transform:translateX(4px);
      background:var(--color-primary);
      color:#fff;
    }

    .recommend-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }

    .recommend-card{
      border-radius:24px;
      padding:24px;
      min-height:180px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }

    .recommend-card .num{
      color:var(--color-primary);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
      margin-bottom:18px;
    }

    .notice-band{
      background:linear-gradient(135deg,var(--color-primary-dark),#493330);
      color:#fff;
      border-radius:34px;
      padding:38px;
      box-shadow:0 24px 80px rgba(80,45,35,.18);
      overflow:hidden;
      position:relative;
    }

    .notice-band::after{
      content:"";
      position:absolute;
      right:-90px;
      top:-100px;
      width:280px;
      height:280px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
    }

    .notice-band h2,.notice-band p{color:#fff}
    .notice-band p{opacity:.78}

    .notice-list{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:28px;
    }

    .notice-card{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.16);
      color:#fff;
      border-radius:22px;
      padding:20px;
      box-shadow:none;
    }

    .notice-card strong{
      display:block;
      margin-bottom:8px;
      font-size:17px;
    }

    .notice-card p{
      font-size:14px;
      opacity:.76;
      color:#fff;
    }

    .accordion{
      display:grid;
      gap:14px;
    }

    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:#fffaf4;
      box-shadow:0 12px 34px rgba(80,45,35,.05);
    }

    .accordion-button{
      padding:22px 24px;
      color:var(--color-text);
      font-weight:900;
      background:#fffaf4;
      box-shadow:none!important;
      border:0;
      line-height:1.45;
    }

    .accordion-button:not(.collapsed){
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
    }

    .accordion-button::after{
      background-image:none;
      content:"+";
      width:28px;
      height:28px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--color-primary-dark);
      background:#fffaf4;
      font-weight:900;
      transform:none;
      text-align:center;
      line-height:28px;
    }

    .accordion-button:not(.collapsed)::after{
      content:"—";
      transform:none;
      background:var(--color-primary);
      color:#fff;
    }

    .accordion-body{
      padding:0 24px 24px;
      color:var(--color-muted);
      line-height:1.85;
      background:#fffaf4;
    }

    .collect-card{
      border-radius:34px;
      padding:40px;
      background:
        radial-gradient(circle at 90% 18%,rgba(185,130,115,.18),transparent 24%),
        linear-gradient(135deg,#fffaf4,#f0e3d4);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
    }

    .collect-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }

    .site-footer{
      padding:62px 0 30px;
      background:#342c28;
      color:rgba(255,250,244,.82);
      margin-top:30px;
    }

    .footer-brand{
      display:flex;
      align-items:center;
      gap:13px;
      color:#fffaf4;
      font-size:20px;
      font-weight:900;
      letter-spacing:-.03em;
      margin-bottom:16px;
    }

    .footer-text{
      max-width:720px;
      color:rgba(255,250,244,.68);
      line-height:1.85;
    }

    .footer-title{
      color:#fffaf4;
      font-weight:900;
      margin-bottom:15px;
      letter-spacing:.04em;
    }

    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }

    .footer-links a{
      color:rgba(255,250,244,.66);
      font-size:14px;
    }

    .footer-links a:hover{
      color:#fffaf4;
      padding-left:4px;
    }

    .footer-note{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:14px;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,250,244,.12);
      color:rgba(255,250,244,.55);
      font-size:13px;
    }

    @media (max-width:1199px){
      .brand-text{max-width:260px;font-size:16px}
      .nav-actions{margin-left:10px}
      .status-badge{display:none}
      .layout-with-filter{grid-template-columns:250px minmax(0,1fr)}
    }

    @media (max-width:991px){
      .navbar{
        min-height:74px;
      }
      .navbar-collapse{
        margin-top:14px;
        padding:18px;
        border-radius:24px;
        background:#fffaf4;
        border:1px solid var(--color-border);
        box-shadow:var(--shadow-soft);
      }
      .navbar-nav{
        align-items:stretch;
        gap:8px;
      }
      .nav-actions{
        margin-left:0;
        margin-top:14px;
        justify-content:space-between;
      }
      .status-badge{display:inline-flex}
      .hero-panel{padding:32px}
      .index-card{margin-top:26px}
      .layout-with-filter{
        grid-template-columns:1fr;
      }
      .filter-sidebar{
        position:relative;
        top:auto;
        overflow:hidden;
      }
      .filter-list{
        flex-direction:row;
        overflow-x:auto;
        padding-bottom:3px;
        scrollbar-width:none;
      }
      .filter-list::-webkit-scrollbar{display:none}
      .filter-pill{
        width:auto;
        flex:0 0 auto;
      }
      .feature-card{
        grid-template-columns:1fr;
      }
      .cover-abstract{min-height:180px}
      .notice-list{
        grid-template-columns:1fr;
      }
      .collect-actions{
        justify-content:flex-start;
        margin-top:18px;
      }
    }

    @media (max-width:767px){
      .container{
        padding-left:18px;
        padding-right:18px;
      }
      .section{padding:62px 0}
      .section-sm{padding:48px 0}
      .category-hero{padding:38px 0 28px}
      .hero-panel{
        border-radius:26px;
        padding:26px;
      }
      .lead{font-size:16px}
      .hero-actions .btn,.collect-actions .btn{
        width:100%;
      }
      .stat-grid{
        grid-template-columns:1fr;
      }
      .feature-card,.topic-row,.collect-card,.notice-band{
        padding:24px;
        border-radius:24px;
      }
      .topic-row{
        grid-template-columns:1fr;
      }
      .topic-row .arrow{
        justify-self:start;
      }
      .recommend-grid{
        grid-template-columns:1fr;
      }
      .brand-text{
        max-width:210px;
        font-size:15px;
      }
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px;flex-basis:38px;border-radius:14px}
    }

    @media (max-width:480px){
      .container{
        padding-left:16px;
        padding-right:16px;
      }
      .navbar-brand{
        gap:10px;
      }
      .brand-text{
        max-width:175px;
        font-size:14px;
      }
      .hero-panel::after{display:none}
      .filter-sidebar,.index-card,.feature-card,.topic-row,.recommend-card,.collect-card,.notice-band{
        padding:20px;
      }
      .accordion-button{padding:19px 20px}
      .accordion-body{padding:0 20px 20px}
      .footer-note{
        flex-direction:column;
      }
    }
