/* roulang page: index */
:root{
            --coral:#ff7d88;
            --berry:#7857d9;
            --mint:#6ed9c3;
            --peach:#fff1ed;
            --lavender:#f2efff;
            --ink:#292538;
            --muted:#716d80;
            --line:#ebe5f1;
            --white:#fff;
            --radius-xl:30px;
            --radius-lg:22px;
            --radius-md:15px;
            --shadow:0 18px 50px rgba(104,75,139,.12);
            --shadow-soft:0 10px 28px rgba(91,63,124,.08);
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:#fffafd;
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            line-height:1.75;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        .container{max-width:1180px}
        .site-header{
            position:sticky;top:0;z-index:1000;
            background:rgba(255,250,253,.9);
            backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(235,229,241,.85);
        }
        .navbar{min-height:76px}
        .brand{
            display:flex;align-items:center;gap:11px;
            font-size:19px;font-weight:800;letter-spacing:-.5px;
            white-space:nowrap;
        }
        .brand-mark{
            width:38px;height:38px;border-radius:13px;
            display:grid;place-items:center;color:#fff;font-size:18px;
            background:linear-gradient(135deg,var(--coral),var(--berry));
            box-shadow:0 7px 18px rgba(204,104,153,.25);
        }
        .navbar-nav{gap:5px}
        .nav-link{
            color:#625d72!important;font-size:14px;font-weight:700;
            padding:10px 14px!important;border-radius:999px;
            transition:.25s ease;
        }
        .nav-link:hover,.nav-link.active{color:var(--berry)!important;background:#f3edff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-pill{
            display:flex;align-items:center;gap:8px;padding:9px 13px;
            border:1px solid var(--line);background:#fff;border-radius:999px;
            color:var(--muted);font-size:13px;
        }
        .search-pill input{border:0;outline:0;width:84px;color:var(--ink);background:transparent}
        .btn-main,.btn-soft{
            border:0;border-radius:999px;padding:12px 22px;font-weight:800;
            transition:transform .25s,box-shadow .25s,background .25s;
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
        }
        .btn-main{color:#fff;background:linear-gradient(110deg,var(--coral),var(--berry));box-shadow:0 12px 25px rgba(152,89,159,.2)}
        .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 17px 30px rgba(152,89,159,.3)}
        .btn-soft{color:var(--berry);background:#f2edff;border:1px solid #e3d9ff}
        .btn-soft:hover{color:var(--berry);background:#e8ddff;transform:translateY(-2px)}
        .btn-main:focus,.btn-soft:focus,.nav-link:focus,.search-pill:focus-within{outline:3px solid rgba(120,87,217,.22);outline-offset:2px}
        .hero{
            min-height:610px;position:relative;display:flex;align-items:center;
            background:linear-gradient(90deg,rgba(31,23,49,.78),rgba(54,33,78,.35)),url('/assets/images/73cadf8c3625f1d2.jpg') center/cover;
            clip-path:polygon(0 0,100% 0,100% 92%,92% 96%,75% 93%,54% 98%,30% 93%,10% 97%,0 92%);
            color:#fff;
        }
        .hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 25%,rgba(255,143,162,.32),transparent 30%),linear-gradient(120deg,transparent 45%,rgba(110,217,195,.12))}
        .hero .container{position:relative;z-index:1}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:7px;font-size:12px;
            letter-spacing:1.2px;font-weight:900;text-transform:uppercase;
        }
        .eyebrow{padding:8px 13px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.1)}
        .hero h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:-2.5px;margin:24px 0 20px;font-weight:900;max-width:760px}
        .hero-copy{font-size:17px;color:rgba(255,255,255,.87);max-width:680px;line-height:1.9}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .hero .btn-soft{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35)}
        .hero .btn-soft:hover{background:rgba(255,255,255,.24);color:#fff}
        .hero-note{margin-top:22px;display:flex;gap:20px;flex-wrap:wrap;color:rgba(255,255,255,.78);font-size:13px}
        .hero-note span{display:inline-flex;align-items:center;gap:7px}
        section{padding:88px 0;position:relative}
        .section-soft{background:linear-gradient(135deg,#fff7f5,#f8f3ff)}
        .section-mint{background:#effbf8}
        .section-heading{max-width:720px;margin-bottom:38px}
        .section-kicker{color:var(--berry);margin-bottom:12px}
        .section-heading h2{font-size:clamp(28px,3.2vw,44px);line-height:1.25;margin:0 0 15px;letter-spacing:-1.2px;font-weight:900}
        .section-heading p{margin:0;color:var(--muted);font-size:15px}
        .data-strip{margin-top:-38px;position:relative;z-index:3}
        .data-panel{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:20px}
        .data-item{padding:8px 20px;border-right:1px solid var(--line)}
        .data-item:last-child{border-right:0}
        .data-label{font-size:12px;color:var(--muted);display:block}
        .data-value{font-size:24px;font-weight:900;color:var(--berry);display:block}
        .keyword-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
        .tag{display:inline-flex;align-items:center;padding:7px 13px;border-radius:999px;font-size:12px;font-weight:800;color:#625878;background:#f7f2ff;border:1px solid #e8defb}
        .tag.mint{background:#e9fbf5;color:#278f7b;border-color:#c8f0e4}
        .tag.coral{background:#fff0ee;color:#c65d69;border-color:#ffd8d2}
        .feature-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}
        .feature-card{padding:28px;border-radius:var(--radius-lg);min-height:205px;border:1px solid rgba(235,229,241,.85);box-shadow:var(--shadow-soft);background:#fff;position:relative;overflow:hidden}
        .feature-card.large{grid-row:span 2;min-height:428px;background:linear-gradient(145deg,#fff0ec,#f5edff)}
        .feature-card.dark{background:linear-gradient(145deg,#493470,#8b5fb4);color:#fff}
        .feature-card.mint{background:linear-gradient(145deg,#e9fbf5,#f4faff)}
        .feature-icon{font-size:28px;margin-bottom:20px}
        .feature-card h3{font-size:21px;margin:0 0 10px;font-weight:900}
        .feature-card p{font-size:14px;color:var(--muted);margin:0}
        .feature-card.dark p{color:rgba(255,255,255,.75)}
        .feature-index{position:absolute;right:20px;top:18px;font-size:12px;font-weight:900;opacity:.45}
        .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .category-card{padding:23px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.25s;box-shadow:var(--shadow-soft)}
        .category-card:hover{transform:translateY(-5px);border-color:#d8c6fa;box-shadow:var(--shadow)}
        .category-card .number{font-size:12px;font-weight:900;color:var(--coral)}
        .category-card h3{font-size:18px;margin:16px 0 8px}
        .category-card p{font-size:13px;color:var(--muted);margin:0 0 15px}
        .arrow{color:var(--berry);font-weight:900}
        .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
        .timeline:before{content:"";position:absolute;top:24px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--coral),var(--berry),var(--mint));opacity:.45}
        .step{position:relative;text-align:center;padding:0 15px}
        .step-num{width:48px;height:48px;margin:0 auto 17px;border-radius:16px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--coral),var(--berry));position:relative;z-index:1}
        .step h3{font-size:17px;margin:0 0 8px}.step p{font-size:13px;color:var(--muted);margin:0}
        .demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
        .demo-image{min-height:390px;border-radius:28px;background:linear-gradient(135deg,rgba(48,30,70,.25),rgba(120,87,217,.18)),url('/assets/images/0c52e3451e75ffb3.jpg') center/cover;position:relative;overflow:hidden}
        .demo-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(39,28,57,.68),transparent 55%)}
        .play-button{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--berry);font-size:25px;z-index:1;box-shadow:0 12px 28px rgba(34,20,50,.25)}
        .image-caption{position:absolute;bottom:24px;left:25px;right:25px;color:#fff;z-index:1}
        .image-caption strong{display:block;font-size:22px}.image-caption span{font-size:13px;opacity:.82}
        .demo-list{display:flex;flex-direction:column;gap:13px}
        .demo-line{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;display:flex;gap:15px;align-items:flex-start}
        .demo-line b{color:var(--berry);font-size:20px;line-height:1}
        .demo-line h3{font-size:16px;margin:0 0 4px}.demo-line p{font-size:13px;color:var(--muted);margin:0}
        .content-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
        .content-board{background:#fff;border-radius:27px;border:1px solid var(--line);padding:25px;box-shadow:var(--shadow-soft)}
        .content-card{display:flex;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
        .content-card:last-child{border-bottom:0}
        .content-thumb{width:126px;height:88px;border-radius:16px;object-fit:cover;flex:none}
        .content-card h3{font-size:17px;margin:0 0 6px}.content-card p{font-size:13px;color:var(--muted);margin:0 0 8px}
        .status{font-size:11px;color:#3a967f;background:#e9faf5;border-radius:999px;padding:4px 9px;font-weight:800}
        .topic-stack{display:flex;flex-direction:column;gap:13px}
        .topic-card{min-height:120px;padding:20px;border-radius:21px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(110deg,rgba(61,32,83,.78),rgba(128,75,137,.48)),url('/assets/images/5ea8beb9457d20ed.jpg') center/cover}
        .topic-card:nth-child(2){background-image:linear-gradient(110deg,rgba(61,32,83,.78),rgba(128,75,137,.48)),url('/assets/images/278c97ebce66151b.jpg')}
        .topic-card h3{font-size:18px;margin:0}.topic-card span{font-size:12px;opacity:.8}
        .showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .showcase{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-soft)}
        .showcase-img{height:150px;object-fit:cover;width:100%}
        .showcase-body{padding:20px}.showcase h3{font-size:18px;margin:0 0 8px}.showcase p{font-size:13px;color:var(--muted);margin:0}
        .option-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .option{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;position:relative}
        .option.featured{border:2px solid #d9c4ff;background:linear-gradient(145deg,#fff,#f5efff)}
        .option-label{position:absolute;top:18px;right:18px;background:#f8dadd;color:#a84e68;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:900}
        .option h3{font-size:21px;margin:0 0 8px}.option p{font-size:13px;color:var(--muted);min-height:48px}
        .option ul{list-style:none;padding:0;margin:18px 0}.option li{font-size:13px;padding:7px 0;border-bottom:1px dashed var(--line);color:#5f596d}
        .feedback-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
        .feedback{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
        .feedback .stars{color:#ef9a66;letter-spacing:2px}.feedback p{font-size:14px;color:#5d5869;margin:15px 0}.feedback small{color:var(--muted)}
        .tag-cloud{display:flex;gap:10px;flex-wrap:wrap;align-content:flex-start;padding:25px;background:linear-gradient(135deg,#fff0ef,#f1edff);border-radius:26px;min-height:180px}
        .tag-cloud .tag{font-size:13px;padding:9px 15px;background:#fff}
        .faq-wrap{max-width:850px;margin:auto}
        .accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;margin-bottom:12px;background:#fff}
        .accordion-button{font-weight:800;color:var(--ink);background:#fff;box-shadow:none!important;padding:20px}
        .accordion-button:not(.collapsed){color:var(--berry);background:#faf7ff}
        .accordion-body{font-size:14px;color:var(--muted);padding:0 20px 20px}
        .news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
        .news-item{padding:23px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.25s}
        .news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
        .news-date{font-size:12px;color:var(--coral);font-weight:900}.news-item h3{font-size:17px;margin:12px 0 8px}.news-item p{font-size:13px;color:var(--muted);margin:0}
        .cta-band{padding:70px 0;background:linear-gradient(110deg,#493370,#7953aa 55%,#6ebfae);color:#fff}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta-inner h2{font-size:clamp(27px,3vw,42px);margin:0 0 10px;font-weight:900}.cta-inner p{margin:0;color:rgba(255,255,255,.78)}
        .cta-band .btn-main{background:#fff;color:var(--berry);box-shadow:none}.cta-band .btn-main:hover{color:var(--berry);background:#fff3f6}
        footer{background:#241d32;color:#cfc8dc;padding:55px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
        footer .brand{color:#fff;margin-bottom:16px}.footer-desc{font-size:13px;color:#a69db6;max-width:300px}
        footer h3{color:#fff;font-size:14px;margin:5px 0 17px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:9px 0;font-size:13px}footer a{color:#bdb4cb}footer a:hover{color:#fff}
        .copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:20px;font-size:12px;color:#93899e;display:flex;justify-content:space-between;gap:15px}
        @media(max-width:991px){
            .nav-tools .search-pill{display:none}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-row:auto;min-height:260px}
            .category-grid{grid-template-columns:repeat(2,1fr)}.content-grid,.demo-grid{grid-template-columns:1fr}
            .timeline{grid-template-columns:repeat(2,1fr);gap:30px}.timeline:before{display:none}
            .footer-grid{grid-template-columns:1.5fr 1fr 1fr}.news-list{grid-template-columns:1fr 1fr}
        }
        @media(max-width:767px){
            section{padding:60px 0}.navbar{min-height:68px}.navbar-collapse{padding:15px 0}.navbar-nav{gap:3px}.nav-link{padding:12px 14px!important}
            .brand{font-size:16px}.brand-mark{width:34px;height:34px}.hero{min-height:650px;clip-path:polygon(0 0,100% 0,100% 96%,70% 98%,35% 96%,0 98%)}
            .hero h1{font-size:41px;letter-spacing:-1.5px}.hero-copy{font-size:15px}.data-strip{margin-top:-24px}.data-item{padding:8px 12px}.data-value{font-size:20px}
            .feature-grid,.category-grid,.showcase-grid,.option-grid,.feedback-grid,.news-list{grid-template-columns:1fr}.feature-card.large{min-height:230px}
            .timeline{grid-template-columns:1fr 1fr}.content-card{align-items:flex-start}.content-thumb{width:100px;height:75px}
            .cta-inner{display:block}.cta-inner .btn-main{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .hero-actions .btn-main,.hero-actions .btn-soft{width:100%}.hero-note{gap:10px;display:block}.hero-note span{margin:7px 0}
            .data-panel .row{display:grid;grid-template-columns:1fr 1fr}.data-item{border-right:0;border-bottom:1px solid var(--line);padding:12px}.data-item:nth-last-child(-n+2){border-bottom:0}
            .timeline{grid-template-columns:1fr}.content-card{gap:12px}.content-thumb{width:84px}.footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category1 */
:root{
    --coral:#ff7d88;--berry:#7857d9;--mint:#6ed9c3;--peach:#fff1ed;--lavender:#f2efff;
    --ink:#292538;--muted:#716d80;--line:#ebe5f1;--white:#fff;--radius-xl:30px;
    --radius-lg:22px;--radius-md:15px;--shadow:0 18px 50px rgba(104,75,139,.12);
    --shadow-soft:0 10px 28px rgba(91,63,124,.08);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:90px}
  body{margin:0;color:var(--ink);background:#fffafd;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button,input{font:inherit}
  .container{max-width:1180px}
  .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,250,253,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(235,229,241,.85)}
  .navbar{min-height:76px}
  .brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
  .brand-mark{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;color:#fff;font-size:18px;background:linear-gradient(135deg,var(--coral),var(--berry));box-shadow:0 7px 18px rgba(204,104,153,.25)}
  .navbar-nav{gap:5px}
  .nav-link{color:#625d72!important;font-size:14px;font-weight:700;padding:10px 14px!important;border-radius:999px;transition:.25s ease}
  .nav-link:hover,.nav-link.active{color:var(--berry)!important;background:#f3edff}
  .nav-tools{display:flex;align-items:center;gap:10px}
  .search-pill{display:flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid var(--line);background:#fff;border-radius:999px;color:var(--muted);font-size:13px}
  .search-pill input{border:0;outline:0;width:84px;color:var(--ink);background:transparent}
  .btn-main,.btn-soft{border:0;border-radius:999px;padding:12px 22px;font-weight:800;transition:transform .25s,box-shadow .25s,background .25s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
  .btn-main{color:#fff;background:linear-gradient(110deg,var(--coral),var(--berry));box-shadow:0 12px 25px rgba(152,89,159,.2)}
  .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 17px 30px rgba(152,89,159,.3)}
  .btn-soft{color:var(--berry);background:#f2edff;border:1px solid #e3d9ff}
  .btn-soft:hover{color:var(--berry);background:#e8ddff;transform:translateY(-2px)}
  .btn-main:focus,.btn-soft:focus,.nav-link:focus,.search-pill:focus-within{outline:3px solid rgba(120,87,217,.22);outline-offset:2px}
  .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(120,87,217,.2)}
  main{min-height:70vh}
  .category-intro{padding:54px 0 34px;position:relative}
  .intro-panel{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);padding:37px 42px;background:linear-gradient(115deg,rgba(255,255,255,.97),rgba(255,245,247,.92) 54%,rgba(244,239,255,.94)),url('/assets/images/0c52e3451e75ffb3.jpg') center/cover;box-shadow:var(--shadow-soft)}
  .intro-panel:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-75px;top:-105px;background:radial-gradient(circle,rgba(255,125,136,.19),rgba(120,87,217,.08) 55%,transparent 72%);pointer-events:none}
  .crumbs{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:9px;margin-bottom:20px;position:relative;z-index:1}
  .crumbs a{color:var(--berry);font-weight:700}
  .intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:32px;align-items:end;position:relative;z-index:1}
  .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-size:12px;font-weight:900;letter-spacing:1px}
  .eyebrow{padding:7px 12px;border-radius:999px;background:#f3edff;border:1px solid #e8defb}
  h1{font-size:clamp(34px,4.5vw,54px);line-height:1.2;letter-spacing:-1.8px;font-weight:900;margin:16px 0 13px}
  .intro-copy{max-width:690px;color:var(--muted);font-size:16px;margin:0}
  .intro-stamp{padding:19px;border:1px solid rgba(255,255,255,.9);border-radius:20px;background:rgba(255,255,255,.78);box-shadow:var(--shadow-soft)}
  .stamp-label{display:block;color:var(--muted);font-size:12px}
  .stamp-value{display:block;color:var(--berry);font-size:23px;font-weight:900;margin-top:3px}
  .stamp-foot{color:#918b9c;font-size:12px}
  section{padding:55px 0;position:relative}
  .section-soft{background:linear-gradient(135deg,#fff7f5,#f8f3ff)}
  .section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
  .section-heading h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:7px 0 0;letter-spacing:-.8px;font-weight:900}
  .section-heading p{margin:0;color:var(--muted);font-size:14px}
  .filter-panel{padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}
  .filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .filter-label{font-size:13px;font-weight:800;color:#625d72;margin-right:4px}
  .tag{display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;font-size:12px;font-weight:800;color:#625878;background:#f7f2ff;border:1px solid #e8defb;transition:.2s}
  .tag:hover,.tag.selected{color:#fff;background:linear-gradient(110deg,var(--coral),var(--berry));border-color:transparent}
  .tag.mint{background:#e9fbf5;color:#278f7b;border-color:#c8f0e4}
  .filter-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:15px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
  .filter-meta strong{color:var(--ink)}
  .listing-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}
  .sortbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px}
  .sort-tabs{display:flex;gap:7px;flex-wrap:wrap}
  .sort-tab{border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--muted);background:#fff;font-size:13px;font-weight:800;transition:.2s}
  .sort-tab:hover,.sort-tab.active{color:var(--berry);background:#f3edff;border-color:#e2d7ff}
  .sort-note{font-size:12px;color:var(--muted)}
  .content-list{display:grid;gap:14px}
  .content-card{display:grid;grid-template-columns:190px minmax(0,1fr);min-height:186px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-soft);transition:transform .25s,box-shadow .25s}
  .content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
  .cover{position:relative;min-height:186px;overflow:hidden;background:linear-gradient(140deg,#fce4e5,#eee6ff)}
  .cover img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
  .cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(43,31,62,.45),transparent 65%)}
  .cover-index{position:absolute;left:14px;bottom:12px;z-index:1;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.88);font-size:11px;font-weight:900;color:var(--berry)}
  .card-body{padding:20px 22px;display:flex;flex-direction:column;justify-content:center}
  .card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-bottom:8px}
  .card-body h3{font-size:20px;font-weight:900;line-height:1.35;margin:0 0 8px}
  .card-body p{font-size:13px;color:var(--muted);margin:0 0 13px}
  .card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .card-tags{display:flex;gap:7px;flex-wrap:wrap}
  .card-tags .tag{padding:5px 9px;font-size:11px}
  .text-link{font-size:13px;color:var(--berry);font-weight:900;white-space:nowrap}
  .text-link:hover{color:#5639ba}
  .side-panel{padding:22px;border-radius:var(--radius-lg);background:linear-gradient(145deg,#493470,#815bb5);color:#fff;position:sticky;top:100px;overflow:hidden}
  .side-panel:after{content:"✦";position:absolute;right:20px;top:13px;font-size:54px;color:rgba(255,255,255,.12)}
  .side-panel h3{font-size:20px;font-weight:900;margin:0 0 8px}
  .side-panel p{font-size:13px;color:rgba(255,255,255,.76);margin:0 0 18px}
  .side-topic{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-top:1px solid rgba(255,255,255,.17);font-size:13px;font-weight:700}
  .side-topic span:last-child{color:#c9f5e9}
  .side-chip{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.15);font-size:11px;font-weight:800;margin-bottom:14px}
  .topic-row{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:15px}
  .topic-card{min-height:150px;border-radius:var(--radius-lg);padding:22px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
  .topic-card:nth-child(1){background:linear-gradient(135deg,#fff0ed,#fff)}
  .topic-card:nth-child(2){background:linear-gradient(135deg,#effbf8,#fff)}
  .topic-card:nth-child(3){background:linear-gradient(135deg,#f3efff,#fff)}
  .topic-num{font-size:11px;color:var(--berry);font-weight:900;letter-spacing:1px}
  .topic-card h3{font-size:18px;font-weight:900;margin:12px 0 4px}
  .topic-card p{font-size:12px;color:var(--muted);margin:0}
  .topic-arrow{position:absolute;right:20px;bottom:17px;color:var(--berry);font-size:20px}
  .notice-bar{display:flex;align-items:center;gap:14px;padding:17px 20px;border-radius:18px;background:#eafaf5;border:1px solid #c9f0e4;color:#397c70}
  .notice-icon{width:35px;height:35px;flex:none;border-radius:12px;display:grid;place-items:center;background:#fff;color:#278f7b;font-weight:900}
  .notice-bar p{margin:0;font-size:13px}
  .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:42px;align-items:start}
  .faq-intro h2{font-size:30px;line-height:1.25;font-weight:900;margin:8px 0 12px}
  .faq-intro p{font-size:14px;color:var(--muted);margin:0}
  .accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;margin-bottom:10px;overflow:hidden;background:#fff}
  .accordion-button{font-weight:800;color:var(--ink);background:#fff!important;box-shadow:none!important;padding:17px 20px}
  .accordion-button:not(.collapsed){color:var(--berry);background:#faf7ff!important}
  .accordion-button:focus{border-color:#d6c8fa;box-shadow:0 0 0 3px rgba(120,87,217,.12)!important}
  .accordion-body{font-size:13px;color:var(--muted);padding:0 20px 18px}
  .more-panel{padding:34px;border-radius:var(--radius-xl);background:linear-gradient(110deg,#fff0ed,#f1ebff 68%,#e9fbf5);display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow-soft)}
  .more-panel h2{font-size:27px;font-weight:900;margin:0 0 7px}
  .more-panel p{font-size:14px;color:var(--muted);margin:0}
  footer{padding:55px 0 22px;background:#292538;color:#fff}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}
  .footer-desc{max-width:310px;color:rgba(255,255,255,.66);font-size:13px;margin:17px 0 0}
  footer h3{font-size:14px;font-weight:900;margin:6px 0 15px}
  footer ul{list-style:none;padding:0;margin:0}
  footer li{margin:8px 0}
  footer li a{font-size:13px;color:rgba(255,255,255,.68);transition:.2s}
  footer li a:hover{color:#fff}
  footer .brand{color:#fff}
  .copyright{display:flex;justify-content:space-between;gap:14px;border-top:1px solid rgba(255,255,255,.13);padding-top:18px;color:rgba(255,255,255,.5);font-size:12px}
  @media(max-width:991px){
    .navbar-collapse{padding:12px 0 18px}
    .navbar-nav{align-items:flex-start}
    .nav-tools{padding-top:10px}
    .intro-grid{grid-template-columns:1fr 210px}
    .listing-layout{grid-template-columns:1fr}
    .side-panel{position:relative;top:auto}
    .topic-row{grid-template-columns:1fr 1fr}
    .topic-card:last-child{grid-column:span 2}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    .footer-grid>div:last-child{grid-column:2/4}
  }
  @media(max-width:767px){
    .navbar{min-height:68px}
    .brand{font-size:17px}
    .nav-tools{align-items:stretch;flex-wrap:wrap}
    .search-pill{flex:1}
    .category-intro{padding:28px 0 18px}
    .intro-panel{padding:25px 22px}
    .intro-grid{grid-template-columns:1fr;gap:20px}
    .intro-stamp{max-width:230px}
    h1{font-size:36px;letter-spacing:-1.2px}
    section{padding:42px 0}
    .section-heading{display:block}
    .section-heading p{margin-top:9px}
    .content-card{grid-template-columns:145px minmax(0,1fr);min-height:172px}
    .cover{min-height:172px}
    .card-body{padding:15px}
    .card-body h3{font-size:17px}
    .card-body p{font-size:12px}
    .card-bottom{align-items:flex-start;flex-direction:column}
    .topic-row{grid-template-columns:1fr 1fr}
    .faq-wrap{grid-template-columns:1fr;gap:20px}
    .more-panel{align-items:flex-start;flex-direction:column;padding:26px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
    .footer-grid>div:first-child{grid-column:span 2}
    .footer-grid>div:last-child{grid-column:auto}
    .copyright{flex-direction:column}
  }
  @media(max-width:520px){
    .container{padding-left:18px;padding-right:18px}
    .intro-panel{border-radius:23px}
    h1{font-size:31px}
    .intro-copy{font-size:14px}
    .filter-panel{padding:17px}
    .filter-meta{gap:9px 16px}
    .sortbar{align-items:flex-start;flex-direction:column}
    .content-card{grid-template-columns:1fr}
    .cover{height:190px;min-height:190px}
    .card-body{padding:18px}
    .topic-row{grid-template-columns:1fr}
    .topic-card:last-child{grid-column:auto}
    .topic-card{min-height:130px}
    .footer-grid{gap:22px 15px}
    .brand{white-space:normal}
  }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}