/* roulang page: index */
:root{
      --st-primary:#143D3A;
      --st-primary-2:#0E2F2C;
      --st-sand:#F4EFE6;
      --st-sand-2:#EFE7DA;
      --st-accent:#B86B35;
      --st-accent-2:#965126;
      --st-text:#202423;
      --st-muted:#6E746F;
      --st-border:#E5DED2;
      --st-bg:#FAF8F3;
      --st-white:#FFFFFF;
      --st-radius-lg:26px;
      --st-radius-md:18px;
      --st-radius-sm:14px;
      --st-shadow:0 18px 60px rgba(36,32,26,.08);
      --st-shadow-hover:0 24px 70px rgba(36,32,26,.13);
      --st-focus:0 0 0 .25rem rgba(184,107,53,.22);
      --st-container:1220px;
      --st-ease:all .24s ease-out;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--st-text);
      background:
        radial-gradient(circle at 12% 8%, rgba(184,107,53,.08), transparent 26%),
        linear-gradient(180deg,#FAF8F3 0%,#FFFFFF 46%,#FAF8F3 100%);
      line-height:1.82;
      font-size:16px;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--st-ease)}
    a:hover{color:var(--st-primary)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{max-width:var(--st-container)}
    .section{padding:88px 0}
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      color:var(--st-primary);
      background:rgba(20,61,58,.08);
      border:1px solid rgba(20,61,58,.12);
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--st-accent);
      box-shadow:0 0 0 5px rgba(184,107,53,.12);
    }
    .section-title{margin-bottom:34px}
    .section-title h2{
      margin:14px 0 12px;
      font-size:clamp(28px,3.2vw,40px);
      line-height:1.22;
      letter-spacing:-.04em;
      font-weight:800;
      color:var(--st-text);
    }
    .section-title p{
      margin:0;
      max-width:760px;
      color:var(--st-muted);
      font-size:17px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1040;
      background:rgba(250,248,243,.96);
      border-bottom:1px solid rgba(20,61,58,.10);
      backdrop-filter:saturate(140%) blur(12px);
      box-shadow:0 10px 30px rgba(36,32,26,.04);
    }
    .portal-top{
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:10px 0;
      border-bottom:1px solid rgba(229,222,210,.85);
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-symbol{
      width:38px;height:38px;
      border-radius:12px;
      background:var(--st-primary);
      position:relative;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.16), 0 12px 30px rgba(20,61,58,.18);
    }
    .brand-symbol::before{
      content:"";
      position:absolute;
      left:10px;right:10px;top:12px;
      height:3px;
      background:var(--st-accent);
      border-radius:999px;
      box-shadow:0 7px 0 rgba(255,255,255,.72), 7px 14px 0 rgba(255,255,255,.48);
    }
    .brand-text strong{
      display:block;
      font-size:20px;
      line-height:1.05;
      color:var(--st-primary);
      font-weight:800;
      letter-spacing:-.03em;
    }
    .brand-text span{
      display:block;
      margin-top:3px;
      color:var(--st-muted);
      font-size:12px;
      line-height:1.2;
    }
    .top-meta{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:10px;
      color:var(--st-muted);
      font-size:13px;
    }
    .meta-pill{
      padding:6px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--st-border);
      white-space:nowrap;
    }
    .channel-row{
      display:flex;
      align-items:center;
      gap:18px;
      padding:12px 0;
    }
    .navbar{padding:0;flex:1}
    .navbar-toggler{
      border:1px solid rgba(20,61,58,.16);
      border-radius:14px;
      padding:9px 11px;
      color:var(--st-primary);
      background:#fff;
    }
    .navbar-toggler:focus{box-shadow:var(--st-focus)}
    .navbar-nav{gap:6px}
    .nav-link{
      position:relative;
      min-height:44px;
      display:flex;
      align-items:center;
      padding:9px 14px !important;
      border-radius:999px;
      color:var(--st-text);
      font-weight:700;
      font-size:15px;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:16px;right:16px;bottom:7px;height:2px;
      background:var(--st-accent);
      transform:scaleX(0);
      transform-origin:left;
      transition:var(--st-ease);
      border-radius:999px;
    }
    .nav-link:hover{background:rgba(20,61,58,.06);color:var(--st-primary)}
    .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
    .nav-link.active{
      color:var(--st-primary);
      background:rgba(20,61,58,.09);
    }
    .portal-search{
      min-width:292px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:9px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--st-border);
      color:var(--st-muted);
      box-shadow:0 8px 26px rgba(36,32,26,.04);
    }
    .portal-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--st-text);
      font-size:14px;
    }
    .portal-search:focus-within{
      border-color:rgba(20,61,58,.36);
      box-shadow:var(--st-focus);
    }
    .hotline{
      display:flex;
      align-items:center;
      gap:8px;
      overflow:hidden;
      white-space:nowrap;
    }
    .hotline b{color:var(--st-primary);font-size:13px}
    .hot-tag{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      color:var(--st-accent-2);
      background:rgba(184,107,53,.10);
      font-size:12px;
      font-weight:700;
    }
    .hero{
      position:relative;
      padding:72px 0 84px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(20,61,58,.045) 1px, transparent 1px),
        linear-gradient(180deg, rgba(20,61,58,.045) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 88%);
      pointer-events:none;
    }
    .hero-copy{position:relative;z-index:2}
    .hero h1{
      margin:18px 0 20px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:850;
      color:var(--st-text);
    }
    .hero h1 span{color:var(--st-primary)}
    .hero-lead{
      max-width:650px;
      margin:0 0 28px;
      color:#4F5652;
      font-size:18px;
      line-height:1.9;
    }
    .btn{
      border:0;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--st-ease);
    }
    .btn .arrow{display:inline-block;margin-left:8px;transition:var(--st-ease)}
    .btn:hover .arrow{transform:translateX(4px)}
    .btn-primary-st{
      color:#fff !important;
      background:var(--st-primary);
      box-shadow:0 14px 34px rgba(20,61,58,.18);
    }
    .btn-primary-st:hover,.btn-primary-st:active{
      background:var(--st-primary-2) !important;
      color:#fff !important;
      transform:translateY(-2px);
    }
    .btn-accent-st{
      color:#fff !important;
      background:var(--st-accent);
      box-shadow:0 14px 34px rgba(184,107,53,.20);
    }
    .btn-accent-st:hover,.btn-accent-st:active{
      background:var(--st-accent-2) !important;
      color:#fff !important;
      transform:translateY(-2px);
    }
    .btn-ghost-st{
      color:var(--st-primary) !important;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(20,61,58,.16);
    }
    .btn-ghost-st:hover{
      background:#fff;
      border-color:rgba(20,61,58,.32);
      transform:translateY(-2px);
      color:var(--st-primary-2) !important;
    }
    .btn:focus-visible,a:focus-visible,input:focus-visible{
      outline:0;
      box-shadow:var(--st-focus) !important;
    }
    .trust-strip{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .trust-item{
      display:flex;
      align-items:center;
      gap:9px;
      padding:10px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--st-border);
      color:var(--st-muted);
      font-size:14px;
      font-weight:700;
    }
    .trust-item i{
      width:9px;height:9px;border-radius:50%;
      background:var(--st-primary);
      display:inline-block;
    }
    .hero-panel{
      position:relative;
      min-height:520px;
      border-radius:32px;
      overflow:hidden;
      border:1px solid rgba(20,61,58,.14);
      box-shadow:var(--st-shadow);
      background:var(--st-sand);
    }
    .hero-panel img{
      width:100%;
      height:100%;
      min-height:520px;
      object-fit:cover;
      filter:saturate(.92) contrast(.98);
    }
    .hero-panel::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(20,61,58,.05),rgba(20,61,58,.58));
    }
    .floating-index{
      position:absolute;
      left:22px;right:22px;bottom:22px;
      z-index:2;
      display:grid;
      gap:12px;
    }
    .index-card{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:15px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:0 16px 34px rgba(18,25,23,.10);
    }
    .index-card strong{color:var(--st-primary);font-size:16px}
    .index-card span{color:var(--st-muted);font-size:13px}
    .index-card em{
      font-style:normal;
      color:#fff;
      background:var(--st-accent);
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:800;
    }
    .route-card,.soft-card,.news-card,.quote-card{
      background:#fff;
      border:1px solid rgba(20,61,58,.10);
      border-radius:var(--st-radius-lg);
      box-shadow:var(--st-shadow);
      transition:var(--st-ease);
    }
    .route-card:hover,.soft-card:hover,.news-card:hover,.quote-card:hover{
      transform:translateY(-4px);
      border-color:rgba(20,61,58,.22);
      box-shadow:var(--st-shadow-hover);
    }
    .problem-list{
      background:#fff;
      border:1px solid var(--st-border);
      border-radius:var(--st-radius-lg);
      overflow:hidden;
      box-shadow:var(--st-shadow);
    }
    .problem-row{
      display:grid;
      grid-template-columns:78px 1fr;
      gap:18px;
      padding:24px 26px;
      border-bottom:1px solid var(--st-border);
      transition:var(--st-ease);
    }
    .problem-row:last-child{border-bottom:0}
    .problem-row:hover{background:var(--st-sand)}
    .problem-no{
      color:var(--st-accent);
      font-size:28px;
      line-height:1;
      font-weight:850;
      letter-spacing:-.06em;
    }
    .problem-row h3{
      margin:0 0 6px;
      font-size:20px;
      font-weight:800;
      color:var(--st-text);
    }
    .problem-row p{margin:0;color:var(--st-muted)}
    .map-panel{
      height:100%;
      padding:30px;
      border-radius:var(--st-radius-lg);
      background:var(--st-primary);
      color:#EAF1ED;
      position:relative;
      overflow:hidden;
      box-shadow:var(--st-shadow);
    }
    .map-panel::before{
      content:"";
      position:absolute;
      width:240px;height:240px;
      right:-80px;top:-80px;
      border-radius:50%;
      background:rgba(184,107,53,.24);
    }
    .map-panel h3{position:relative;margin:0 0 16px;font-size:26px;font-weight:850}
    .map-panel p{position:relative;margin:0 0 20px;color:rgba(234,241,237,.78)}
    .map-node{
      position:relative;
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:15px 0;
      border-bottom:1px solid rgba(255,255,255,.16);
      font-weight:700;
    }
    .map-node span{color:rgba(234,241,237,.78);font-size:13px}
    .timeline-wrap{
      position:relative;
      padding:10px 0;
    }
    .timeline-wrap::before{
      content:"";
      position:absolute;
      left:23px;top:0;bottom:0;
      width:2px;
      background:rgba(20,61,58,.16);
    }
    .step-item{
      position:relative;
      display:grid;
      grid-template-columns:70px 1fr;
      gap:18px;
      margin-bottom:18px;
    }
    .step-item:last-child{margin-bottom:0}
    .step-num{
      position:relative;
      z-index:1;
      width:48px;height:48px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#fff;
      background:var(--st-primary);
      border:6px solid var(--st-bg);
      font-weight:850;
    }
    .step-body{
      padding:22px 24px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--st-border);
      box-shadow:0 12px 40px rgba(36,32,26,.05);
    }
    .step-body h3{margin:0 0 8px;font-size:20px;font-weight:800}
    .step-body p{margin:0;color:var(--st-muted)}
    .solution-image{
      border-radius:30px;
      overflow:hidden;
      border:1px solid rgba(20,61,58,.12);
      box-shadow:var(--st-shadow);
      min-height:480px;
      position:relative;
    }
    .solution-image img{height:100%;min-height:480px;width:100%;object-fit:cover}
    .solution-note{
      position:absolute;
      left:22px;right:22px;bottom:22px;
      padding:20px;
      border-radius:22px;
      color:#fff;
      background:rgba(20,61,58,.88);
      border:1px solid rgba(255,255,255,.18);
    }
    .solution-note strong{display:block;margin-bottom:6px;font-size:18px}
    .solution-note span{color:rgba(255,255,255,.78);font-size:14px}
    .metric-board{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-bottom:22px;
    }
    .metric{
      padding:24px 20px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--st-border);
      box-shadow:0 12px 42px rgba(36,32,26,.05);
    }
    .metric strong{
      display:block;
      color:var(--st-primary);
      font-size:34px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.06em;
    }
    .metric span{display:block;margin-top:10px;color:var(--st-muted);font-size:14px}
    .capability-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .capability-grid .wide{min-height:240px}
    .cap-card{
      padding:28px;
      border-radius:var(--st-radius-lg);
      background:#fff;
      border:1px solid rgba(20,61,58,.10);
      box-shadow:var(--st-shadow);
      transition:var(--st-ease);
      position:relative;
      overflow:hidden;
    }
    .cap-card::after{
      content:attr(data-code);
      position:absolute;
      right:20px;bottom:8px;
      color:rgba(20,61,58,.06);
      font-size:78px;
      font-weight:900;
      letter-spacing:-.08em;
    }
    .cap-card:hover{transform:translateY(-4px);box-shadow:var(--st-shadow-hover)}
    .cap-card h3{margin:0 0 10px;font-size:23px;font-weight:850;color:var(--st-primary)}
    .cap-card p{margin:0;color:var(--st-muted)}
    .category-entry{
      background:var(--st-sand);
      border-top:1px solid var(--st-border);
      border-bottom:1px solid var(--st-border);
    }
    .entry-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:center;
      padding:28px;
      background:#fff;
      border-radius:30px;
      border:1px solid rgba(20,61,58,.12);
      box-shadow:var(--st-shadow);
      transition:var(--st-ease);
    }
    .entry-card:hover{transform:translateY(-4px);box-shadow:var(--st-shadow-hover)}
    .entry-card img{
      width:100%;
      height:250px;
      object-fit:cover;
      border-radius:22px;
      border:1px solid var(--st-border);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      width:max-content;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      line-height:1;
      font-weight:800;
      color:var(--st-accent-2);
      background:rgba(184,107,53,.10);
      border:1px solid rgba(184,107,53,.16);
    }
    .tag.green{
      color:var(--st-primary);
      background:rgba(20,61,58,.08);
      border-color:rgba(20,61,58,.12);
    }
    .entry-card h2{
      margin:16px 0 12px;
      font-size:clamp(26px,3vw,36px);
      line-height:1.22;
      font-weight:850;
      letter-spacing:-.04em;
    }
    .entry-card p{margin:0 0 18px;color:var(--st-muted)}
    .news-row{
      display:grid;
      grid-template-columns:160px 1fr auto;
      gap:20px;
      align-items:center;
      padding:22px;
      border-bottom:1px solid var(--st-border);
      background:#fff;
      transition:var(--st-ease);
    }
    .news-row:first-child{border-radius:24px 24px 0 0}
    .news-row:last-child{border-bottom:0;border-radius:0 0 24px 24px}
    .news-row:hover{background:var(--st-sand)}
    .news-thumb{
      width:160px;height:104px;
      object-fit:cover;
      border-radius:18px;
      border:1px solid var(--st-border);
    }
    .news-row h3{margin:8px 0 6px;font-size:20px;font-weight:850}
    .news-row p{margin:0;color:var(--st-muted);font-size:15px}
    .news-meta{color:var(--st-muted);font-size:13px;white-space:nowrap}
    .news-link{
      color:var(--st-primary);
      font-weight:850;
      white-space:nowrap;
    }
    .news-link span{display:inline-block;transition:var(--st-ease)}
    .news-row:hover .news-link span{transform:translateX(4px)}
    .testimonial{
      background:var(--st-primary);
      color:#EAF1ED;
      position:relative;
      overflow:hidden;
    }
    .testimonial::before{
      content:"";
      position:absolute;
      inset:auto -120px -180px auto;
      width:420px;height:420px;
      border-radius:50%;
      background:rgba(184,107,53,.20);
    }
    .testimonial .section-title h2{color:#fff}
    .testimonial .section-title p{color:rgba(234,241,237,.76)}
    .quote-card{
      padding:28px;
      height:100%;
      color:var(--st-text);
    }
    .quote-mark{
      color:var(--st-accent);
      font-size:48px;
      line-height:1;
      font-weight:900;
    }
    .quote-card p{margin:10px 0 18px;color:#4F5652}
    .quote-card strong{display:block;color:var(--st-primary)}
    .quote-card span{color:var(--st-muted);font-size:14px}
    .trust-note{
      margin-top:22px;
      padding:18px 20px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
      color:rgba(234,241,237,.78);
    }
    .accordion{--bs-accordion-border-color:transparent}
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--st-border) !important;
      border-radius:20px !important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 34px rgba(36,32,26,.04);
    }
    .accordion-button{
      padding:20px 22px;
      color:var(--st-text);
      background:#fff;
      font-weight:850;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      color:var(--st-primary);
      background:var(--st-sand);
    }
    .accordion-button::after{
      border-radius:50%;
      background-color:rgba(20,61,58,.08);
      background-size:15px;
      padding:12px;
    }
    .accordion-button:focus{box-shadow:var(--st-focus) !important;border-color:transparent}
    .accordion-body{
      padding:0 22px 22px;
      background:var(--st-sand);
      color:var(--st-muted);
      line-height:1.85;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:42px;
      border-radius:32px;
      background:var(--st-primary);
      color:#fff;
      box-shadow:var(--st-shadow);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.07) 1px, transparent 1px);
      background-size:38px 38px;
      opacity:.42;
    }
    .cta-box > *{position:relative}
    .cta-box h2{
      margin:0 0 12px;
      font-size:clamp(28px,3.4vw,42px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.05em;
    }
    .cta-box p{margin:0;color:rgba(255,255,255,.76);max-width:720px}
    .site-footer{
      padding:58px 0 26px;
      background:#0E2F2C;
      color:rgba(255,255,255,.72);
    }
    .footer-brand strong{
      display:block;
      color:#fff;
      font-size:24px;
      font-weight:850;
      margin-bottom:10px;
      letter-spacing:-.03em;
    }
    .footer-brand p{margin:0;max-width:460px;color:rgba(255,255,255,.66)}
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .footer-links a{color:rgba(255,255,255,.68)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-line{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:space-between;
      color:rgba(255,255,255,.55);
      font-size:14px;
    }
    @media (max-width:1199.98px){
      .portal-search{min-width:240px}
      .hero-panel,.hero-panel img{min-height:470px}
      .metric-board{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991.98px){
      .portal-top{align-items:flex-start}
      .top-meta{display:none}
      .channel-row{display:block;padding:10px 0}
      .navbar{width:100%}
      .navbar-collapse{
        margin-top:12px;
        padding:14px;
        border-radius:22px;
        background:#fff;
        border:1px solid var(--st-border);
        box-shadow:var(--st-shadow);
      }
      .navbar-nav{gap:4px}
      .nav-link{border-radius:14px}
      .portal-search{width:100%;margin-top:12px;min-width:0}
      .hotline{
        width:100%;
        overflow:auto;
        padding:10px 2px 2px;
      }
      .hero{padding:52px 0 64px}
      .hero-panel{margin-top:32px}
      .problem-row{grid-template-columns:62px 1fr}
      .solution-image{min-height:360px;margin-top:26px}
      .solution-image img{min-height:360px}
      .capability-grid{grid-template-columns:1fr}
      .entry-card{grid-template-columns:1fr}
      .news-row{grid-template-columns:132px 1fr}
      .news-link{grid-column:2}
      .section{padding:68px 0}
    }
    @media (max-width:767.98px){
      body{font-size:15px}
      .portal-top{min-height:auto}
      .brand-text strong{font-size:18px}
      .hero h1{font-size:34px}
      .hero-lead{font-size:16px}
      .d-flex.hero-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%;justify-content:center}
      .trust-strip{display:grid;grid-template-columns:1fr}
      .hero-panel,.hero-panel img{min-height:420px}
      .problem-row{padding:20px;grid-template-columns:1fr}
      .problem-no{font-size:24px}
      .map-panel{padding:24px}
      .timeline-wrap::before{left:20px}
      .step-item{grid-template-columns:58px 1fr;gap:12px}
      .step-body{padding:20px}
      .metric-board{grid-template-columns:1fr}
      .entry-card{padding:20px}
      .news-row{grid-template-columns:1fr;padding:20px}
      .news-thumb{width:100%;height:190px}
      .news-link{grid-column:auto}
      .cta-box{padding:30px 22px}
      .footer-line{display:block}
      .footer-line span{display:block;margin-top:8px}
    }
    @media (max-width:480px){
      .section{padding:54px 0}
      .section-tight{padding:46px 0}
      .hero{padding:42px 0 50px}
      .hero h1{font-size:31px}
      .eyebrow{font-size:12px}
      .section-title h2{font-size:26px}
      .floating-index{left:14px;right:14px;bottom:14px}
      .index-card{padding:12px}
      .index-card em{display:none}
      .cap-card{padding:22px}
      .footer-brand strong{font-size:22px}
    }

/* roulang page: category1 */
:root{
      --st-primary:#143D3A;
      --st-primary-2:#0f302e;
      --st-sand:#F4EFE6;
      --st-sand-2:#EFE7DA;
      --st-amber:#B86B35;
      --st-amber-2:#965529;
      --st-bg:#FAF8F3;
      --st-card:#FFFEFA;
      --st-text:#202423;
      --st-muted:#6E746F;
      --st-border:#E5DED2;
      --st-border-green:rgba(20,61,58,.12);
      --st-shadow:0 18px 60px rgba(36,32,26,.08);
      --st-shadow-strong:0 22px 72px rgba(36,32,26,.13);
      --st-radius-lg:26px;
      --st-radius-md:18px;
      --st-radius-sm:14px;
      --st-container:1220px;
      --st-speed:220ms ease-out;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--st-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(184,107,53,.08), transparent 28%),
        linear-gradient(180deg, #fffdf8 0%, var(--st-bg) 45%, #fffaf1 100%);
      line-height:1.78;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--st-speed), transform var(--st-speed), background var(--st-speed), border-color var(--st-speed)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    input:focus,button:focus,a:focus{
      outline:3px solid rgba(184,107,53,.22);
      outline-offset:3px;
    }
    .container{max-width:var(--st-container)}
    .section-pad{padding:78px 0}
    .section-pad-sm{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--st-primary);
      font-size:14px;
      font-weight:700;
      letter-spacing:.04em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:24px;
      height:2px;
      background:var(--st-amber);
      border-radius:999px;
    }
    .section-title{
      font-size:36px;
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.03em;
      color:var(--st-text);
      margin:0 0 16px;
    }
    .section-desc{
      color:var(--st-muted);
      font-size:16px;
      max-width:760px;
      margin:0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(250,248,243,.96);
      border-bottom:1px solid rgba(20,61,58,.1);
      backdrop-filter:saturate(140%) blur(10px);
      box-shadow:0 8px 30px rgba(36,32,26,.04);
    }
    .portal-top{
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      border-bottom:1px solid rgba(229,222,210,.78);
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:250px;
    }
    .brand-symbol{
      position:relative;
      width:42px;
      height:42px;
      border:2px solid var(--st-primary);
      border-radius:15px;
      background:linear-gradient(135deg, rgba(20,61,58,.08), rgba(184,107,53,.12));
      flex:0 0 auto;
    }
    .brand-symbol::before{
      content:"";
      position:absolute;
      left:10px;
      top:10px;
      width:18px;
      height:18px;
      border-left:3px solid var(--st-amber);
      border-bottom:3px solid var(--st-amber);
      transform:rotate(-45deg);
      border-radius:2px;
    }
    .brand-symbol::after{
      content:"";
      position:absolute;
      right:8px;
      bottom:8px;
      width:8px;
      height:8px;
      background:var(--st-amber);
      border-radius:50%;
    }
    .brand-text strong{
      display:block;
      color:var(--st-primary);
      font-size:20px;
      line-height:1.1;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-text span{
      display:block;
      margin-top:4px;
      color:var(--st-muted);
      font-size:13px;
    }
    .top-meta{
      display:flex;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:8px;
    }
    .meta-pill,.hot-tag,.topic-tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:5px 12px;
      border-radius:999px;
      border:1px solid rgba(20,61,58,.12);
      background:#fffdf8;
      color:var(--st-primary);
      font-size:13px;
      font-weight:600;
      white-space:nowrap;
    }
    .channel-row{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:18px;
      padding:10px 0;
    }
    .navbar{padding:0;width:100%}
    .navbar-toggler{
      border:1px solid rgba(20,61,58,.22);
      border-radius:14px;
      padding:8px 10px;
      background:#fffdf8;
    }
    .navbar-toggler:focus{box-shadow:none}
    .navbar-nav{gap:8px}
    .nav-link{
      position:relative;
      color:var(--st-text);
      font-weight:700;
      font-size:15px;
      border-radius:999px;
      padding:10px 16px!important;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:5px;
      height:2px;
      transform:scaleX(0);
      transform-origin:left;
      background:var(--st-amber);
      transition:transform var(--st-speed);
    }
    .nav-link:hover{
      color:var(--st-primary);
      background:rgba(244,239,230,.72);
    }
    .nav-link:hover::after{transform:scaleX(1)}
    .nav-link.active{
      color:#fff!important;
      background:var(--st-primary);
      box-shadow:0 8px 24px rgba(20,61,58,.16);
    }
    .nav-link.active::after{display:none}
    .portal-search{
      width:330px;
      min-height:44px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 15px;
      border:1px solid rgba(20,61,58,.12);
      border-radius:999px;
      background:#fffdf8;
      color:var(--st-muted);
    }
    .portal-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--st-text);
      font-size:14px;
    }
    .portal-search:focus-within{
      border-color:var(--st-primary);
      box-shadow:0 0 0 4px rgba(20,61,58,.08);
    }
    .hotline{
      display:flex;
      align-items:center;
      gap:7px;
      color:var(--st-muted);
      font-size:13px;
      white-space:nowrap;
    }
    .hotline b{color:var(--st-primary)}

    .guide-hero{
      position:relative;
      overflow:hidden;
      padding:58px 0 44px;
      background:
        linear-gradient(90deg, rgba(244,239,230,.94), rgba(250,248,243,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(20,61,58,.08);
    }
    .guide-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(20,61,58,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20,61,58,.05) 1px, transparent 1px);
      background-size:36px 36px;
      opacity:.38;
      pointer-events:none;
    }
    .guide-hero .container{position:relative;z-index:1}
    .breadcrumb-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--st-muted);
      font-size:14px;
      margin-bottom:18px;
    }
    .breadcrumb-line a{color:var(--st-primary);font-weight:700}
    .breadcrumb-line a:hover{color:var(--st-amber)}
    .guide-hero h1{
      font-size:46px;
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:850;
      margin:0 0 18px;
      color:var(--st-text);
    }
    .guide-hero p{
      max-width:720px;
      color:#4e5752;
      font-size:17px;
      margin:0;
    }
    .hero-panel{
      background:rgba(255,254,250,.94);
      border:1px solid rgba(20,61,58,.12);
      border-radius:var(--st-radius-lg);
      padding:24px;
      box-shadow:var(--st-shadow);
    }
    .hero-panel .portal-search{
      width:100%;
      border-radius:18px;
      background:var(--st-bg);
      margin-bottom:18px;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .hero-note{
      margin-top:18px;
      padding:16px;
      border-radius:18px;
      background:rgba(20,61,58,.06);
      color:var(--st-primary);
      font-size:14px;
      line-height:1.7;
    }

    .channel-pills{
      position:relative;
      margin-top:-22px;
      z-index:5;
    }
    .pill-wrap{
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      padding:12px;
      border:1px solid rgba(20,61,58,.1);
      border-radius:999px;
      background:#fffdf8;
      box-shadow:0 16px 42px rgba(36,32,26,.08);
      scrollbar-width:none;
    }
    .pill-wrap::-webkit-scrollbar{display:none}
    .pill-link{
      flex:0 0 auto;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 18px;
      border-radius:999px;
      border:1px solid rgba(20,61,58,.12);
      color:var(--st-primary);
      background:var(--st-bg);
      font-weight:700;
      font-size:14px;
    }
    .pill-link.active,.pill-link:hover{
      color:#fff;
      background:var(--st-primary);
      border-color:var(--st-primary);
    }

    .feature-card,.side-card,.news-item,.info-card,.faq-compact,.cta-strip{
      border:1px solid var(--st-border-green);
      background:var(--st-card);
      border-radius:var(--st-radius-lg);
      box-shadow:var(--st-shadow);
      transition:transform var(--st-speed), box-shadow var(--st-speed), border-color var(--st-speed);
    }
    .feature-card:hover,.side-card:hover,.news-item:hover,.info-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--st-shadow-strong);
      border-color:rgba(184,107,53,.28);
    }
    .feature-card{
      height:100%;
      overflow:hidden;
    }
    .feature-img{
      position:relative;
      min-height:255px;
      overflow:hidden;
      background:var(--st-sand);
    }
    .feature-card.large .feature-img{min-height:390px}
    .feature-img img{
      width:100%;
      height:100%;
      min-height:inherit;
      object-fit:cover;
      transition:transform 500ms ease-out;
    }
    .feature-card:hover .feature-img img{transform:scale(1.04)}
    .feature-img::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 38%, rgba(20,61,58,.62));
    }
    .feature-body{
      padding:26px;
    }
    .feature-card.large .feature-body{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      z-index:2;
      color:#fff;
      padding:32px;
    }
    .feature-card.large{
      position:relative;
      min-height:100%;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 11px;
      border-radius:999px;
      background:rgba(184,107,53,.12);
      color:var(--st-amber-2);
      font-size:13px;
      font-weight:800;
      margin-bottom:12px;
    }
    .tag.green{
      background:rgba(20,61,58,.1);
      color:var(--st-primary);
    }
    .feature-card.large .tag{
      background:rgba(255,255,255,.18);
      color:#fff;
      border:1px solid rgba(255,255,255,.24);
    }
    .feature-body h2,.feature-body h3{
      font-size:24px;
      line-height:1.28;
      font-weight:800;
      margin:0 0 12px;
      letter-spacing:-.02em;
    }
    .feature-card.large .feature-body h2{
      font-size:32px;
      max-width:680px;
    }
    .feature-body p{
      color:var(--st-muted);
      margin:0 0 18px;
    }
    .feature-card.large .feature-body p{
      color:rgba(255,255,255,.88);
      max-width:680px;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--st-primary);
      font-weight:800;
    }
    .read-link span{transition:transform var(--st-speed)}
    .read-link:hover{color:var(--st-amber)}
    .read-link:hover span{transform:translateX(4px)}
    .feature-card.large .read-link{color:#fff}

    .layout-main{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .news-stack{
      display:grid;
      gap:16px;
    }
    .news-item{
      display:grid;
      grid-template-columns:168px minmax(0,1fr);
      gap:22px;
      padding:18px;
      box-shadow:none;
    }
    .news-thumb{
      width:168px;
      height:132px;
      border-radius:20px;
      overflow:hidden;
      background:var(--st-sand);
    }
    .news-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .news-content h3{
      font-size:21px;
      line-height:1.35;
      font-weight:800;
      margin:0 0 8px;
      color:var(--st-text);
    }
    .news-item:hover h3{color:var(--st-primary)}
    .news-content p{
      color:var(--st-muted);
      margin:0 0 12px;
      font-size:15px;
      line-height:1.76;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      color:#7d837f;
      font-size:13px;
      margin-bottom:10px;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      padding:3px 9px;
      border-radius:999px;
      background:var(--st-sand);
      color:var(--st-primary);
      font-weight:800;
      font-size:12px;
    }

    .sidebar{
      display:grid;
      gap:16px;
      position:sticky;
      top:138px;
    }
    .side-card{
      padding:22px;
      box-shadow:none;
      border-radius:22px;
    }
    .side-card h3{
      font-size:18px;
      font-weight:850;
      margin:0 0 16px;
      color:var(--st-primary);
    }
    .entry-list,.trend-list,.recommend-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .entry-list a,.recommend-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(229,222,210,.8);
      color:var(--st-text);
      font-weight:700;
    }
    .entry-list li:last-child a,.recommend-list li:last-child a{border-bottom:0}
    .entry-list a:hover,.recommend-list a:hover{
      color:var(--st-amber);
      transform:translateX(3px);
    }
    .rank{
      color:var(--st-amber);
      font-family:Georgia,serif;
      font-weight:800;
    }
    .trend-list{display:flex;flex-wrap:wrap;gap:8px}
    .trend-list span{
      display:inline-flex;
      padding:6px 11px;
      border-radius:999px;
      background:var(--st-sand);
      color:var(--st-primary);
      font-weight:700;
      font-size:13px;
    }
    .contact-mini{
      background:var(--st-primary);
      color:#f9f2e7;
      border-color:rgba(255,255,255,.12);
      overflow:hidden;
      position:relative;
    }
    .contact-mini::after{
      content:"";
      position:absolute;
      right:-48px;
      bottom:-60px;
      width:160px;
      height:160px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.18);
    }
    .contact-mini h3{color:#fff}
    .contact-mini p{
      color:rgba(255,255,255,.78);
      margin:0 0 18px;
      font-size:14px;
    }

    .insight-band{
      background:var(--st-primary);
      color:#fdf7ed;
      border-radius:34px;
      padding:34px;
      overflow:hidden;
      position:relative;
    }
    .insight-band::before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:26px;
      pointer-events:none;
    }
    .insight-band h2{
      position:relative;
      z-index:1;
      font-size:32px;
      font-weight:850;
      line-height:1.25;
      margin:0 0 12px;
    }
    .insight-band p{
      position:relative;
      z-index:1;
      color:rgba(255,255,255,.78);
      margin:0;
    }
    .metric-row{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:26px;
    }
    .metric-box{
      border:1px solid rgba(255,255,255,.14);
      border-radius:20px;
      padding:18px;
      background:rgba(255,255,255,.06);
    }
    .metric-box strong{
      display:block;
      font-size:30px;
      line-height:1;
      color:#fff;
      font-weight:850;
      margin-bottom:8px;
    }
    .metric-box span{
      color:rgba(255,255,255,.78);
      font-size:13px;
    }

    .info-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .info-card{
      padding:24px;
      box-shadow:none;
    }
    .info-card .num{
      font-family:Georgia,serif;
      color:var(--st-amber);
      font-size:28px;
      font-weight:800;
      margin-bottom:10px;
    }
    .info-card h3{
      font-size:20px;
      font-weight:850;
      margin:0 0 10px;
    }
    .info-card p{
      color:var(--st-muted);
      margin:0;
    }

    .faq-compact{
      padding:26px;
      box-shadow:none;
    }
    .accordion{
      --bs-accordion-border-width:0;
      --bs-accordion-btn-focus-box-shadow:none;
      --bs-accordion-active-bg:transparent;
    }
    .accordion-item{
      background:transparent;
      border:1px solid rgba(20,61,58,.1)!important;
      border-radius:18px!important;
      overflow:hidden;
      margin-bottom:12px;
    }
    .accordion-button{
      color:var(--st-text);
      background:#fffdf8;
      font-weight:800;
      padding:18px 20px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--st-primary);
      background:var(--st-sand);
    }
    .accordion-button::after{
      filter:sepia(1) saturate(1.2) hue-rotate(330deg);
    }
    .accordion-body{
      padding:0 20px 20px;
      color:var(--st-muted);
      background:var(--st-sand);
      line-height:1.85;
    }

    .cta-strip{
      position:relative;
      overflow:hidden;
      padding:34px;
      background:
        linear-gradient(100deg, rgba(20,61,58,.95), rgba(20,61,58,.86)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
    }
    .cta-strip::after{
      content:"";
      position:absolute;
      right:-36px;
      top:-54px;
      width:190px;
      height:190px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.18);
    }
    .cta-strip h2{
      position:relative;
      z-index:1;
      font-size:34px;
      font-weight:850;
      line-height:1.25;
      margin:0 0 12px;
    }
    .cta-strip p{
      position:relative;
      z-index:1;
      color:rgba(255,255,255,.78);
      margin:0;
    }
    .btn-row{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .btn-st{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:11px 20px;
      border:1px solid transparent;
      font-weight:800;
      transition:transform var(--st-speed), background var(--st-speed), color var(--st-speed), border-color var(--st-speed), box-shadow var(--st-speed);
    }
    .btn-st span{transition:transform var(--st-speed)}
    .btn-st:hover{
      transform:translateY(-2px);
      box-shadow:0 14px 34px rgba(36,32,26,.16);
    }
    .btn-st:hover span{transform:translateX(4px)}
    .btn-primary-st{
      color:#fff;
      background:var(--st-amber);
    }
    .btn-primary-st:hover{
      color:#fff;
      background:var(--st-amber-2);
    }
    .btn-light-st{
      color:var(--st-primary);
      background:#fffdf8;
      border-color:rgba(255,255,255,.3);
    }
    .btn-light-st:hover{
      color:var(--st-primary);
      background:var(--st-sand);
    }
    .btn-outline-st{
      color:var(--st-primary);
      background:transparent;
      border-color:rgba(20,61,58,.18);
    }
    .btn-outline-st:hover{
      color:#fff;
      background:var(--st-primary);
      border-color:var(--st-primary);
    }

    .site-footer{
      margin-top:70px;
      padding:54px 0 26px;
      background:#113532;
      color:rgba(255,255,255,.78);
    }
    .footer-brand strong{
      display:block;
      color:#fff;
      font-size:24px;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-brand p{
      max-width:520px;
      margin:0;
      color:rgba(255,255,255,.7);
      line-height:1.85;
    }
    .footer-title{
      color:#fff;
      font-size:16px;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a,.footer-links span{
      color:rgba(255,255,255,.7);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
      display:inline-block;
    }
    .footer-line{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    @media (max-width:1199px){
      .guide-hero h1{font-size:40px}
      .section-title{font-size:32px}
      .portal-search{width:280px}
      .layout-main{grid-template-columns:minmax(0,1fr) 310px}
    }
    @media (max-width:991px){
      .portal-top{
        align-items:flex-start;
        padding:12px 0;
        flex-direction:column;
      }
      .top-meta{justify-content:flex-start}
      .channel-row{grid-template-columns:1fr;gap:10px}
      .navbar-collapse{
        margin-top:10px;
        padding:14px;
        border:1px solid rgba(20,61,58,.1);
        border-radius:22px;
        background:#fffdf8;
      }
      .navbar-nav{gap:4px;margin-bottom:12px}
      .portal-search{width:100%}
      .hotline{flex-wrap:wrap;white-space:normal}
      .guide-hero{padding:44px 0 38px}
      .guide-hero h1{font-size:36px}
      .layout-main{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .metric-row{grid-template-columns:repeat(2,1fr)}
      .btn-row{justify-content:flex-start;margin-top:22px}
    }
    @media (max-width:767px){
      body{font-size:15px}
      .section-pad{padding:56px 0}
      .section-pad-sm{padding:44px 0}
      .brand-mark{min-width:auto}
      .brand-text strong{font-size:18px}
      .meta-pill:nth-child(3){display:none}
      .guide-hero h1{font-size:31px}
      .guide-hero p{font-size:16px}
      .pill-wrap{border-radius:22px}
      .feature-card.large .feature-img{min-height:360px}
      .feature-card.large .feature-body h2{font-size:25px}
      .news-item{grid-template-columns:1fr}
      .news-thumb{width:100%;height:190px}
      .sidebar{grid-template-columns:1fr}
      .info-grid{grid-template-columns:1fr}
      .insight-band,.cta-strip{padding:26px;border-radius:26px}
      .insight-band h2,.cta-strip h2{font-size:26px}
      .btn-row{flex-direction:column}
      .btn-st{width:100%}
      .footer-line{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:480px){
      .container{padding-left:18px;padding-right:18px}
      .section-title{font-size:26px}
      .guide-hero{padding:36px 0 32px}
      .guide-hero h1{font-size:28px}
      .hero-panel{padding:18px;border-radius:22px}
      .feature-body{padding:22px}
      .feature-card.large .feature-body{padding:24px}
      .metric-row{grid-template-columns:1fr}
      .portal-top{gap:12px}
      .top-meta{gap:6px}
      .meta-pill,.hot-tag{font-size:12px;padding:4px 9px}
      .site-footer{margin-top:48px}
    }