/* roulang page: index */
:root{
      --color-primary:#18A058;
      --color-primary-2:#16B364;
      --color-primary-dark:#10231B;
      --color-accent:#D7F75B;
      --color-accent-2:#C8F24A;
      --color-bg:#F6F7F2;
      --color-bg-soft:#EEF1EA;
      --color-card:#FFFFFF;
      --color-text:#25342D;
      --color-muted:#6A766F;
      --color-border:rgba(16,35,27,.12);
      --color-border-strong:rgba(16,35,27,.22);
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow-soft:0 16px 40px rgba(16,35,27,.08);
      --shadow-hover:0 22px 52px rgba(16,35,27,.14);
      --container:1200px;
      --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(215,247,91,.28), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(24,160,88,.13), transparent 30%),
        linear-gradient(180deg,var(--color-bg),#fbfcf7 48%,var(--color-bg-soft));
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .24s ease}
    a:hover{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font-family:inherit}
    ::selection{background:var(--color-accent);color:var(--color-primary-dark)}
    .container{max-width:var(--container)}
    .skip-link{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden
    }
    .skip-link:focus{
      left:16px;top:12px;width:auto;height:auto;z-index:9999;background:var(--color-accent);
      color:var(--color-primary-dark);padding:10px 14px;border-radius:12px;outline:3px solid rgba(24,160,88,.3)
    }
    .top-strip{
      background:var(--color-primary-dark);
      color:rgba(255,255,255,.82);
      font-size:13px;
      letter-spacing:.02em;
      border-bottom:1px solid rgba(255,255,255,.08)
    }
    .top-strip-inner{
      min-height:40px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .top-strip .dot{
      width:8px;height:8px;border-radius:50%;background:var(--color-accent);display:inline-block;margin-right:8px;
      box-shadow:0 0 0 5px rgba(215,247,91,.12)
    }
    .site-header{
      position:sticky;
      top:12px;
      z-index:1000;
      padding:16px 0 4px;
    }
    .nav-panel{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(16,35,27,.10);
      border-radius:30px;
      box-shadow:0 18px 45px rgba(16,35,27,.10);
      backdrop-filter:blur(12px);
      padding:10px 12px;
    }
    .navbar{padding:0}
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:245px;
      color:var(--color-primary-dark);
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-icon{
      width:46px;height:46px;border-radius:16px;
      background:var(--color-primary-dark);
      position:relative;
      display:grid;place-items:center;
      box-shadow:inset 0 -12px 20px rgba(24,160,88,.22);
      flex:0 0 auto;
    }
    .brand-icon::before{
      content:"K";
      color:var(--color-accent);
      font-weight:900;
      font-size:24px;
      line-height:1;
    }
    .brand-icon::after{
      content:"";
      position:absolute;
      width:29px;height:8px;border-radius:999px;
      border:2px solid var(--color-accent);
      border-left-color:transparent;
      transform:rotate(-22deg) translate(5px,12px);
      opacity:.9;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{font-size:18px}
    .brand-text span{font-size:12px;color:var(--color-muted);font-weight:700;letter-spacing:.08em}
    .navbar-toggler{
      border:1px solid var(--color-border);
      border-radius:16px;
      padding:10px 12px;
      background:#fff;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{outline:3px solid rgba(24,160,88,.18)}
    .nav-card-list{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      margin:0 auto;
    }
    .nav-tile{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:16px;
      color:var(--color-text);
      font-weight:700;
      font-size:14px;
      border:1px solid transparent;
      background:rgba(246,247,242,.62);
      white-space:nowrap;
    }
    .nav-tile .nav-dot{
      width:9px;height:9px;border-radius:50%;
      background:rgba(24,160,88,.25);
      box-shadow:inset 0 0 0 2px rgba(24,160,88,.28);
      transition:all .24s ease;
    }
    .nav-tile:hover,.nav-tile.active{
      background:var(--color-accent);
      color:var(--color-primary-dark);
      border-color:rgba(16,35,27,.10);
      transform:translateY(-2px);
    }
    .nav-tile.active .nav-dot,.nav-tile:hover .nav-dot{background:var(--color-primary-dark);box-shadow:none}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 18px;
      border-radius:999px;
      background:var(--color-primary-dark);
      color:#fff;
      font-weight:800;
      border:1px solid rgba(16,35,27,.16);
      box-shadow:0 14px 28px rgba(16,35,27,.16);
      white-space:nowrap;
    }
    .nav-cta:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px)}
    .btn-brand,.btn-outline-brand,.btn-dark-panel{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:13px 22px;
      font-weight:800;
      border:1px solid transparent;
      transition:all .24s ease;
      line-height:1.2;
    }
    .btn-brand{
      background:var(--color-accent);
      color:var(--color-primary-dark);
      box-shadow:0 14px 30px rgba(16,35,27,.12);
    }
    .btn-brand:hover{background:var(--color-accent-2);color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-outline-brand{
      background:rgba(255,255,255,.62);
      color:var(--color-primary-dark);
      border-color:var(--color-border);
    }
    .btn-outline-brand:hover{background:#EAF3E6;border-color:var(--color-primary);color:var(--color-primary-dark);transform:translateY(-2px)}
    .btn-dark-panel{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 16px 34px rgba(24,160,88,.26);
    }
    .btn-dark-panel:hover{background:var(--color-accent);color:var(--color-primary-dark);transform:translateY(-2px)}
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      background:#E4F6DF;
      color:var(--color-primary-dark);
      padding:8px 12px;
      font-weight:800;
      font-size:13px;
      border:1px solid rgba(24,160,88,.13);
    }
    .badge-soft::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--color-primary);
      box-shadow:0 0 0 5px rgba(24,160,88,.10)
    }
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--color-primary);
      font-weight:900;
      letter-spacing:.12em;
      font-size:13px;
      text-transform:uppercase;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      font-weight:900;
      color:var(--color-primary-dark);
      letter-spacing:-.04em;
      margin:0;
    }
    .section-desc{
      color:var(--color-muted);
      max-width:620px;
      margin:10px 0 0;
      font-size:16px;
    }
    .hero{
      position:relative;
      padding:76px 0 54px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:18px 0 auto auto;
      width:48vw;
      height:420px;
      background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      border-radius:42px 0 0 42px;
      opacity:.16;
      filter:saturate(.9);
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      right:5%;
      top:88px;
      width:260px;height:260px;
      border:1px solid rgba(16,35,27,.10);
      border-radius:50%;
      background:
        linear-gradient(90deg, transparent 48%, rgba(16,35,27,.10) 49%, rgba(16,35,27,.10) 51%, transparent 52%),
        linear-gradient(0deg, transparent 48%, rgba(16,35,27,.10) 49%, rgba(16,35,27,.10) 51%, transparent 52%);
      z-index:-1;
      opacity:.65;
    }
    .hero-copy h1{
      margin:18px 0 18px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.13;
      font-weight:950;
      letter-spacing:-.055em;
      color:var(--color-primary-dark);
      max-width:760px;
    }
    .hero-copy h1 .highlight{
      display:inline;
      background:linear-gradient(transparent 58%, rgba(215,247,91,.78) 0);
    }
    .hero-lead{
      font-size:18px;
      color:#4d5b53;
      max-width:690px;
      margin-bottom:26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
    .trust-list{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .trust-list li{
      display:flex;
      align-items:center;
      gap:8px;
      background:rgba(255,255,255,.7);
      border:1px solid var(--color-border);
      padding:10px 13px;
      border-radius:999px;
      color:var(--color-text);
      font-weight:700;
      font-size:14px;
    }
    .trust-list li::before{
      content:"";
      width:8px;height:8px;border-radius:50%;background:var(--color-primary);
    }
    .hero-panel{
      background:var(--color-primary-dark);
      color:#fff;
      border-radius:34px;
      padding:22px;
      box-shadow:0 28px 70px rgba(16,35,27,.24);
      position:relative;
      overflow:hidden;
      min-height:560px;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(215,247,91,.18), transparent 36%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      opacity:.22;
    }
    .hero-panel > *{position:relative;z-index:1}
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:18px;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(215,247,91,.14);
      color:var(--color-accent);
      font-weight:800;
      font-size:13px;
      border:1px solid rgba(215,247,91,.22);
    }
    .status-pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--color-accent)}
    .panel-time{font-size:13px;color:rgba(255,255,255,.72)}
    .dashboard-card{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      border-radius:24px;
      padding:18px;
      margin-bottom:14px;
    }
    .dashboard-card.light{
      background:#fff;
      color:var(--color-primary-dark);
      border-color:transparent;
    }
    .dashboard-card h3{
      font-size:20px;
      font-weight:900;
      margin:0 0 8px;
      letter-spacing:-.03em;
    }
    .dashboard-card p{margin:0;color:rgba(255,255,255,.72);font-size:14px}
    .dashboard-card.light p{color:var(--color-muted)}
    .metric-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin:14px 0;
    }
    .metric{
      border-radius:20px;
      padding:16px;
      background:rgba(215,247,91,.12);
      border:1px solid rgba(215,247,91,.18);
    }
    .metric strong{display:block;color:var(--color-accent);font-size:28px;line-height:1;font-weight:950}
    .metric span{font-size:13px;color:rgba(255,255,255,.72)}
    .quick-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .quick-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 13px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-weight:800;
      font-size:14px;
    }
    .quick-link:hover{background:var(--color-accent);color:var(--color-primary-dark);transform:translateY(-2px)}
    .keyword-belt{
      margin-top:30px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .keyword-belt span{
      border-radius:999px;
      padding:9px 13px;
      background:#fff;
      border:1px solid var(--color-border);
      color:var(--color-muted);
      font-weight:800;
      font-size:13px;
      box-shadow:0 10px 26px rgba(16,35,27,.05);
    }
    .feature-card,.case-card,.plan-card,.mini-entry,.info-card{
      background:var(--color-card);
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
    }
    .feature-card:hover,.case-card:hover,.plan-card:hover,.mini-entry:hover,.info-card:hover{
      transform:translateY(-4px);
      border-color:rgba(24,160,88,.45);
      box-shadow:var(--shadow-hover);
    }
    .feature-card{
      height:100%;
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .feature-card.feature-wide{
      background:
        linear-gradient(135deg,rgba(215,247,91,.45),transparent 55%),
        #fff;
    }
    .feature-no{
      display:inline-grid;
      place-items:center;
      width:42px;height:42px;
      border-radius:15px;
      background:#E4F6DF;
      color:var(--color-primary-dark);
      font-weight:950;
      margin-bottom:18px;
    }
    .feature-card:hover .feature-no{background:var(--color-accent)}
    .feature-card h3{
      font-size:22px;
      font-weight:900;
      letter-spacing:-.03em;
      margin-bottom:10px;
      color:var(--color-primary-dark);
    }
    .feature-card p{color:var(--color-muted);margin-bottom:18px}
    .card-tag{
      display:inline-flex;
      border-radius:999px;
      padding:7px 11px;
      background:var(--color-bg-soft);
      color:var(--color-primary-dark);
      font-size:12px;
      font-weight:900;
    }
    .entry-strip{
      background:var(--color-primary-dark);
      color:#fff;
      border-radius:var(--radius-xl);
      padding:30px;
      overflow:hidden;
      position:relative;
    }
    .entry-strip::after{
      content:"";
      position:absolute;
      right:-45px;
      bottom:-70px;
      width:220px;height:220px;
      background:var(--color-accent);
      border-radius:50%;
      opacity:.18;
    }
    .mini-entry{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:20px;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.12);
      box-shadow:none;
      color:#fff;
      height:100%;
    }
    .mini-entry:hover{background:rgba(255,255,255,.13);box-shadow:none;border-color:rgba(215,247,91,.38)}
    .mini-entry .icon{
      width:38px;height:38px;border-radius:14px;
      background:var(--color-accent);
      color:var(--color-primary-dark);
      display:grid;place-items:center;
      font-weight:950;
      flex:0 0 auto;
    }
    .mini-entry h3{font-size:18px;font-weight:900;margin:0 0 6px}
    .mini-entry p{margin:0;color:rgba(255,255,255,.72);font-size:14px}
    .case-card{
      overflow:hidden;
      margin-bottom:24px;
    }
    .case-media{
      position:relative;
      overflow:hidden;
      background:var(--color-bg-soft);
    }
    .case-media.ratio-43{aspect-ratio:4/3}
    .case-media.ratio-32{aspect-ratio:3/2}
    .case-media.ratio-11{aspect-ratio:1/1}
    .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;filter:saturate(.95)}
    .case-card:hover .case-media img{transform:scale(1.04)}
    .case-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 45%,rgba(16,35,27,.55));
    }
    .case-label{
      position:absolute;
      left:16px;
      bottom:14px;
      z-index:1;
      background:var(--color-accent);
      color:var(--color-primary-dark);
      border-radius:999px;
      padding:7px 11px;
      font-weight:900;
      font-size:12px;
    }
    .case-body{padding:22px}
    .case-no{
      color:var(--color-primary);
      font-size:13px;
      font-weight:950;
      letter-spacing:.12em;
      margin-bottom:8px;
    }
    .case-body h3{
      color:var(--color-primary-dark);
      font-size:22px;
      font-weight:900;
      letter-spacing:-.03em;
      margin-bottom:9px;
    }
    .case-body p{color:var(--color-muted);margin-bottom:14px}
    .text-link{
      color:var(--color-primary-dark);
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .text-link:hover{color:var(--color-primary);gap:10px}
    .compare-wrap{
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(16,35,27,.04),transparent),
        #fff;
      border:1px solid var(--color-border);
      padding:18px;
      box-shadow:var(--shadow-soft);
    }
    .plan-card{
      height:100%;
      padding:28px;
      box-shadow:none;
      position:relative;
      overflow:hidden;
    }
    .plan-card.recommend{
      background:var(--color-primary-dark);
      color:#fff;
      border-color:var(--color-primary-dark);
    }
    .plan-card.recommend::after{
      content:"推荐";
      position:absolute;
      top:18px;
      right:18px;
      background:var(--color-accent);
      color:var(--color-primary-dark);
      border-radius:999px;
      padding:7px 11px;
      font-size:12px;
      font-weight:950;
    }
    .plan-card h3{font-size:24px;font-weight:950;letter-spacing:-.03em;margin-bottom:12px;color:var(--color-primary-dark)}
    .plan-card.recommend h3{color:#fff}
    .plan-card p{color:var(--color-muted)}
    .plan-card.recommend p{color:rgba(255,255,255,.74)}
    .check-list{
      list-style:none;
      padding:0;
      margin:20px 0 22px;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-weight:700;
      color:#3b4941;
    }
    .plan-card.recommend .check-list li{color:rgba(255,255,255,.9)}
    .check-list li::before{
      content:"✓";
      display:grid;place-items:center;
      width:22px;height:22px;
      border-radius:50%;
      background:#E4F6DF;
      color:var(--color-primary);
      font-size:13px;
      font-weight:950;
      flex:0 0 auto;
      margin-top:2px;
    }
    .plan-card.recommend .check-list li::before{background:var(--color-accent);color:var(--color-primary-dark)}
    .process-line{
      position:relative;
    }
    .process-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-border);
      height:100%;
      box-shadow:0 12px 30px rgba(16,35,27,.06);
    }
    .process-card .step{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--color-primary-dark);
      color:var(--color-accent);
      font-weight:950;
      margin-bottom:16px;
    }
    .process-card h3{font-size:21px;font-weight:900;color:var(--color-primary-dark);margin-bottom:8px}
    .process-card p{color:var(--color-muted);margin:0}
    .faq-wrap{
      background:linear-gradient(180deg,#fff,rgba(238,241,234,.72));
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      padding:18px;
      box-shadow:var(--shadow-soft);
    }
    .accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent}
    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:22px!important;
      overflow:hidden;
      margin-bottom:12px;
      background:#fff;
    }
    .accordion-button{
      background:#fff;
      color:var(--color-primary-dark);
      font-weight:900;
      padding:18px 20px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      background:#E4F6DF;
      color:var(--color-primary-dark);
    }
    .accordion-button:focus{
      border-color:var(--color-primary);
      box-shadow:0 0 0 .22rem rgba(24,160,88,.14)!important;
    }
    .accordion-button::after{
      background-size:16px;
      filter:grayscale(1);
    }
    .accordion-body{
      color:var(--color-muted);
      padding:18px 20px 22px;
      background:#fff;
    }
    .contact-panel{
      background:var(--color-primary-dark);
      color:#fff;
      border-radius:38px;
      padding:34px;
      position:relative;
      overflow:hidden;
      box-shadow:0 30px 76px rgba(16,35,27,.24);
    }
    .contact-panel::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(135deg,rgba(215,247,91,.18),transparent 42%),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      opacity:.2;
    }
    .contact-panel > *{position:relative;z-index:1}
    .contact-panel h2{
      font-size:clamp(28px,4vw,42px);
      font-weight:950;
      letter-spacing:-.04em;
      line-height:1.18;
      margin-bottom:14px;
    }
    .contact-panel p{color:rgba(255,255,255,.75)}
    .promise-list{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .promise-item{
      display:flex;align-items:center;gap:12px;
      padding:13px 14px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:rgba(255,255,255,.07);
      font-weight:800;
    }
    .promise-item span{
      width:30px;height:30px;border-radius:12px;background:var(--color-accent);color:var(--color-primary-dark);
      display:grid;place-items:center;font-weight:950;
    }
    .contact-form{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:28px;
      padding:22px;
    }
    .form-label{font-size:13px;font-weight:900;color:rgba(255,255,255,.86);margin-bottom:7px}
    .form-control,.form-select{
      min-height:50px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.92);
      color:var(--color-primary-dark);
      box-shadow:none;
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--color-accent);
      box-shadow:0 0 0 .24rem rgba(215,247,91,.20);
      background:#fff;
      color:var(--color-primary-dark);
    }
    textarea.form-control{min-height:118px;resize:vertical}
    .form-hint{font-size:12px;color:rgba(255,255,255,.62);margin-top:10px}
    .site-footer{
      background:var(--color-primary-dark);
      color:#fff;
      padding:58px 0 26px;
      margin-top:82px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      right:10%;
      top:-80px;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(215,247,91,.11);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
      font-weight:950;
      font-size:20px;
    }
    .footer-brand .brand-icon{width:44px;height:44px}
    .footer-text{color:rgba(255,255,255,.68);max-width:460px;margin-bottom:20px}
    .footer-title{font-size:15px;font-weight:950;margin-bottom:14px;color:#fff}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.68);font-weight:700}
    .footer-links a:hover{color:var(--color-accent);padding-left:4px}
    .footer-tags{display:flex;flex-wrap:wrap;gap:8px}
    .footer-tags span{
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.76);
      border-radius:999px;
      padding:7px 10px;
      font-size:12px;
      font-weight:800;
      background:rgba(255,255,255,.06);
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.10);
      margin-top:34px;
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.56);
      font-size:13px;
    }
    @media (max-width:1199.98px){
      .brand-mark{min-width:auto}
      .nav-tile{padding:10px 12px}
      .nav-cta{padding:12px 15px}
      .hero-panel{min-height:auto}
    }
    @media (max-width:991.98px){
      .site-header{top:0;padding-top:10px}
      .nav-panel{border-radius:24px}
      .navbar-collapse{
        margin-top:12px;
        padding-top:12px;
        border-top:1px solid var(--color-border);
      }
      .nav-card-list{
        align-items:stretch;
        justify-content:flex-start;
        gap:10px;
      }
      .nav-card-list .nav-item{width:100%}
      .nav-tile{
        width:100%;
        justify-content:flex-start;
        background:var(--color-bg);
      }
      .nav-cta{width:100%;margin-top:10px}
      .hero{padding-top:52px}
      .hero::before{width:80vw;height:360px;opacity:.12}
      .section{padding:68px 0}
      .section-heading{align-items:flex-start;flex-direction:column}
      .contact-panel{padding:26px;border-radius:30px}
    }
    @media (max-width:767.98px){
      .top-strip .hide-mobile{display:none}
      .top-strip-inner{justify-content:center;text-align:center}
      .brand-text strong{font-size:16px}
      .brand-text span{font-size:11px}
      .brand-icon{width:42px;height:42px;border-radius:14px}
      .hero-copy h1{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-actions .btn-brand,.hero-actions .btn-outline-brand{width:100%}
      .metric-row,.quick-links{grid-template-columns:1fr}
      .hero-panel{padding:18px;border-radius:28px;margin-top:28px}
      .keyword-belt{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
      .keyword-belt span{white-space:nowrap}
      .section{padding:56px 0}
      .entry-strip{padding:24px;border-radius:30px}
      .feature-card,.plan-card{padding:22px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .nav-panel{padding:8px;border-radius:22px}
      .brand-mark{gap:9px}
      .brand-text span{max-width:135px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .hero{padding-top:40px}
      .trust-list li{width:100%;justify-content:flex-start}
      .panel-top{align-items:flex-start;flex-direction:column}
      .contact-form{padding:18px;border-radius:22px}
      .contact-panel{padding:22px}
      .footer-tags span{font-size:11px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#18A058;
      --color-primary-2:#16B364;
      --color-primary-dark:#10231B;
      --color-accent:#D7F75B;
      --color-accent-2:#C8F24A;
      --color-bg:#F6F7F2;
      --color-bg-soft:#EEF1EA;
      --color-card:#FFFFFF;
      --color-text:#25342D;
      --color-muted:#6A766F;
      --color-border:rgba(16,35,27,.12);
      --color-border-strong:rgba(16,35,27,.22);
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:34px;
      --shadow-soft:0 16px 40px rgba(16,35,27,.08);
      --shadow-hover:0 22px 52px rgba(16,35,27,.14);
      --shadow-panel:0 26px 70px rgba(16,35,27,.16);
      --container:1200px;
      --transition:.25s 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,"Segoe UI",sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(215,247,91,.28), transparent 28%),
        linear-gradient(180deg,var(--color-bg),#FBFCF7 42%,var(--color-bg-soft));
      line-height:1.72;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
    a:hover{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:var(--color-accent);color:var(--color-primary-dark)}
    .container{max-width:var(--container)}
    .section{padding:86px 0;position:relative}
    .section-tight{padding:58px 0}
    .section-heading{margin-bottom:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:#E4F6DF;
      color:var(--color-primary-dark);
      border:1px solid rgba(24,160,88,.16);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-primary);
      box-shadow:0 0 0 5px rgba(24,160,88,.12);
    }
    h1,h2,h3,h4{color:var(--color-primary-dark);font-weight:850;letter-spacing:-.025em}
    h1{font-size:clamp(2rem,4.8vw,3.65rem);line-height:1.14;margin:18px 0 18px}
    h2{font-size:clamp(1.75rem,3vw,2.45rem);line-height:1.2;margin:12px 0}
    h3{font-size:1.25rem;line-height:1.35}
    p{margin-bottom:0}
    .lead-text{font-size:17px;color:var(--color-muted);max-width:760px}
    .text-muted-custom{color:var(--color-muted)}
    .btn-kaiyun{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:999px;
      padding:12px 22px;
      font-weight:800;
      color:var(--color-primary-dark);
      background:var(--color-accent);
      box-shadow:0 12px 28px rgba(16,35,27,.12);
      min-height:48px;
    }
    .btn-kaiyun:hover,.btn-kaiyun:focus{
      color:var(--color-primary-dark);
      background:var(--color-accent-2);
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(16,35,27,.18);
    }
    .btn-outline-kaiyun{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:1px solid var(--color-border-strong);
      border-radius:999px;
      padding:11px 20px;
      min-height:48px;
      color:var(--color-primary-dark);
      background:rgba(255,255,255,.65);
      font-weight:800;
    }
    .btn-outline-kaiyun:hover,.btn-outline-kaiyun:focus{
      background:#EAF3E6;
      border-color:var(--color-primary);
      color:var(--color-primary-dark);
      transform:translateY(-2px);
    }
    .site-header{
      position:sticky;
      top:12px;
      z-index:1030;
      padding-top:14px;
      pointer-events:none;
    }
    .nav-panel{
      pointer-events:auto;
      border:1px solid rgba(16,35,27,.12);
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(14px);
      border-radius:28px;
      box-shadow:0 18px 54px rgba(16,35,27,.12);
      padding:10px 12px;
    }
    .navbar{padding:0}
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      padding:6px 8px;
      color:var(--color-primary-dark);
      min-width:252px;
    }
    .brand-icon{
      width:42px;
      height:42px;
      flex:0 0 42px;
      display:inline-block;
      border-radius:15px;
      background:
        linear-gradient(135deg,var(--color-accent),rgba(215,247,91,.72)),
        var(--color-primary);
      position:relative;
      box-shadow:inset 0 -8px 14px rgba(16,35,27,.12),0 10px 22px rgba(24,160,88,.18);
    }
    .brand-icon::before{
      content:"K";
      position:absolute;
      inset:0;
      display:grid;
      place-items:center;
      font-weight:950;
      color:var(--color-primary-dark);
      font-size:22px;
      letter-spacing:-.06em;
    }
    .brand-icon::after{
      content:"";
      position:absolute;
      width:24px;
      height:8px;
      right:-8px;
      top:9px;
      border-top:2px solid var(--color-primary-dark);
      border-radius:50%;
      transform:rotate(-18deg);
      opacity:.72;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{font-size:16px;font-weight:900;letter-spacing:-.02em}
    .brand-text span{font-size:12px;color:var(--color-muted);margin-top:3px}
    .navbar-toggler{
      border:1px solid var(--color-border);
      border-radius:16px;
      width:46px;
      height:42px;
      padding:0;
      background:#F2F7EE;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{outline:3px solid rgba(24,160,88,.18)}
    .navbar-toggler-icon{
      width:1.2em;
      height:1.2em;
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2816,35,27,.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    .nav-card-list{
      gap:8px;
      margin-left:auto;
      align-items:center;
    }
    .nav-tile{
      display:flex;
      align-items:center;
      gap:8px;
      padding:11px 14px!important;
      border-radius:16px;
      color:var(--color-text);
      background:rgba(246,247,242,.72);
      border:1px solid transparent;
      font-weight:800;
      font-size:14px;
    }
    .nav-dot{
      width:9px;
      height:9px;
      border-radius:99px;
      background:rgba(24,160,88,.28);
      box-shadow:inset 0 0 0 2px rgba(16,35,27,.05);
    }
    .nav-tile:hover{
      background:#EAF3E6;
      border-color:rgba(24,160,88,.22);
      color:var(--color-primary-dark);
      transform:translateY(-1px);
    }
    .nav-tile.active{
      background:var(--color-accent);
      color:var(--color-primary-dark)!important;
      border-color:rgba(16,35,27,.10);
      box-shadow:0 10px 22px rgba(16,35,27,.10);
    }
    .nav-tile.active .nav-dot{background:var(--color-primary-dark)}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      white-space:nowrap;
      border-radius:999px;
      padding:12px 18px;
      background:var(--color-primary-dark);
      color:#fff;
      font-weight:850;
      font-size:14px;
      box-shadow:0 12px 26px rgba(16,35,27,.18);
    }
    .nav-cta:hover,.nav-cta:focus{
      color:var(--color-primary-dark);
      background:var(--color-accent);
      transform:translateY(-1px);
    }

    .category-hero{
      padding:54px 0 38px;
      position:relative;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      min-height:380px;
      border:1px solid var(--color-border);
      background:
        linear-gradient(105deg,rgba(16,35,27,.92) 0%,rgba(16,35,27,.84) 48%,rgba(16,35,27,.30) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      box-shadow:var(--shadow-panel);
      color:#fff;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(215,247,91,.12),transparent 38%),
        repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 18px);
      pointer-events:none;
    }
    .hero-inner{position:relative;z-index:1;padding:38px}
    .breadcrumb{
      margin:0 0 24px;
      --bs-breadcrumb-divider-color:rgba(255,255,255,.48);
    }
    .breadcrumb-item,.breadcrumb-item a{color:rgba(255,255,255,.78);font-size:14px;font-weight:700}
    .breadcrumb-item.active{color:var(--color-accent)}
    .hero-card h1{color:#fff;max-width:820px}
    .hero-card .lead-text{color:rgba(255,255,255,.78)}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:34px;
      max-width:760px;
    }
    .metric-card{
      border:1px solid rgba(255,255,255,.15);
      background:rgba(255,255,255,.08);
      border-radius:20px;
      padding:17px;
    }
    .metric-card strong{
      display:block;
      color:var(--color-accent);
      font-size:24px;
      line-height:1;
      margin-bottom:8px;
      font-weight:950;
    }
    .metric-card span{font-size:13px;color:rgba(255,255,255,.74)}
    .content-shell{
      display:grid;
      grid-template-columns:minmax(0,360px) minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .side-stack{
      position:sticky;
      top:126px;
      display:grid;
      gap:18px;
    }
    .panel-card,.content-card,.topic-card,.faq-card{
      background:rgba(255,255,255,.86);
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .panel-card{padding:24px}
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .panel-title h2,.panel-title h3{font-size:1.2rem;margin:0}
    .mini-badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:850;
      color:var(--color-primary-dark);
      background:var(--color-accent);
    }
    .index-list{display:grid;gap:10px}
    .index-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 15px;
      border-radius:18px;
      border:1px solid rgba(16,35,27,.08);
      background:#F9FBF5;
      color:var(--color-text);
      font-weight:800;
    }
    .index-link small{
      display:inline-grid;
      place-items:center;
      width:28px;
      height:28px;
      border-radius:10px;
      background:#E4F6DF;
      color:var(--color-primary-dark);
      font-size:12px;
      font-weight:950;
    }
    .index-link span:last-child{color:var(--color-muted);font-weight:900}
    .index-link:hover,.index-link.active{
      border-color:rgba(24,160,88,.34);
      background:#EAF3E6;
      color:var(--color-primary-dark);
      transform:translateY(-2px);
    }
    .notice-card{
      padding:24px;
      border-radius:var(--radius-lg);
      color:#fff;
      background:
        linear-gradient(145deg,rgba(16,35,27,.96),rgba(24,96,62,.94)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow-soft);
    }
    .notice-card::after{
      content:"";
      position:absolute;
      width:150px;
      height:150px;
      border-radius:50%;
      right:-64px;
      bottom:-64px;
      background:rgba(215,247,91,.18);
    }
    .notice-card h3{color:#fff;margin-bottom:10px}
    .notice-card p{color:rgba(255,255,255,.76);font-size:15px}
    .notice-domain{
      display:inline-flex;
      margin-top:18px;
      border:1px solid rgba(215,247,91,.38);
      background:rgba(215,247,91,.12);
      border-radius:999px;
      padding:8px 12px;
      color:var(--color-accent);
      font-size:13px;
      font-weight:850;
    }
    .quick-card{
      padding:22px;
    }
    .quick-list{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .quick-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background:#F7FAF2;
      border:1px solid rgba(16,35,27,.08);
    }
    .quick-item i{
      width:10px;
      height:10px;
      margin-top:8px;
      border-radius:50%;
      background:var(--color-primary);
      box-shadow:0 0 0 6px rgba(24,160,88,.12);
      flex:0 0 10px;
    }
    .quick-item strong{display:block;font-size:14px;color:var(--color-primary-dark)}
    .quick-item span{display:block;font-size:13px;color:var(--color-muted);margin-top:2px}
    .featured-card{
      display:grid;
      grid-template-columns:42% 1fr;
      gap:0;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--color-border);
      background:#fff;
      box-shadow:var(--shadow-soft);
      margin-bottom:24px;
    }
    .featured-image{
      min-height:296px;
      position:relative;
      overflow:hidden;
      background:#DDE4D8;
    }
    .featured-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      position:absolute;
      inset:0;
    }
    .featured-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(16,35,27,.28));
    }
    .featured-content{
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 11px;
      font-size:12px;
      font-weight:850;
      color:var(--color-primary-dark);
      background:#E4F6DF;
      border:1px solid rgba(24,160,88,.12);
    }
    .tag.accent{background:var(--color-accent)}
    .featured-content h2{
      font-size:clamp(1.5rem,2.4vw,2rem);
      margin:0 0 12px;
    }
    .featured-content p{color:var(--color-muted);margin-bottom:22px}
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      padding:22px;
      min-height:238px;
      display:flex;
      flex-direction:column;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition);
      position:relative;
      overflow:hidden;
    }
    .topic-card.wide{
      grid-column:1/-1;
      min-height:210px;
      display:grid;
      grid-template-columns:1fr 210px;
      gap:20px;
      align-items:center;
      background:linear-gradient(135deg,#fff 0%,#F0F7EA 100%);
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:rgba(24,160,88,.34);
      box-shadow:var(--shadow-hover);
    }
    .topic-no{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--color-primary-dark);
      color:var(--color-accent);
      font-size:14px;
      font-weight:950;
      margin-bottom:16px;
    }
    .topic-card h3{margin-bottom:10px}
    .topic-card p{color:var(--color-muted);font-size:15px}
    .topic-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
      padding-top:18px;
      color:var(--color-muted);
      font-size:13px;
      font-weight:700;
    }
    .topic-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      font-weight:900;
      color:var(--color-primary-dark);
    }
    .topic-link:hover{color:var(--color-primary)}
    .topic-thumb{
      overflow:hidden;
      border-radius:22px;
      min-height:160px;
      border:1px solid rgba(16,35,27,.10);
    }
    .topic-thumb img{width:100%;height:100%;object-fit:cover}
    .explain-strip{
      margin-top:24px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
    }
    .strip-item{
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--color-border);
    }
    .strip-item strong{display:block;color:var(--color-primary-dark);font-size:15px;margin-bottom:5px}
    .strip-item span{font-size:13px;color:var(--color-muted)}
    .faq-wrap{
      display:grid;
      grid-template-columns:34% 1fr;
      gap:28px;
      align-items:start;
    }
    .faq-intro{
      padding:28px;
      border-radius:var(--radius-lg);
      background:var(--color-primary-dark);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .faq-intro::after{
      content:"FAQ";
      position:absolute;
      right:-12px;
      bottom:-28px;
      font-size:88px;
      line-height:1;
      color:rgba(215,247,91,.12);
      font-weight:950;
    }
    .faq-intro h2{color:#fff}
    .faq-intro p{color:rgba(255,255,255,.72)}
    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:none;
    }
    .accordion-button{
      padding:19px 22px;
      border:0;
      box-shadow:none!important;
      color:var(--color-primary-dark);
      background:#fff;
      font-weight:850;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--color-primary-dark);
      background:#EAF3E6;
    }
    .accordion-button:focus{
      box-shadow:inset 0 0 0 3px rgba(24,160,88,.16)!important;
    }
    .accordion-button::after{
      width:1rem;
      height:1rem;
      background-size:1rem;
      filter:grayscale(1);
    }
    .accordion-body{
      padding:0 22px 20px;
      color:var(--color-muted);
      background:#fff;
    }
    .contact-panel{
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        linear-gradient(135deg,rgba(16,35,27,.98),rgba(22,55,39,.96)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow-panel);
      overflow:hidden;
      position:relative;
    }
    .contact-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 84% 18%,rgba(215,247,91,.22),transparent 30%);
      pointer-events:none;
    }
    .contact-panel>*{position:relative;z-index:1}
    .contact-panel h2{color:#fff}
    .contact-panel p{color:rgba(255,255,255,.74)}
    .promise-list{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .promise-list span{
      display:flex;
      align-items:center;
      gap:10px;
      color:rgba(255,255,255,.86);
      font-weight:750;
    }
    .promise-list span::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 6px rgba(215,247,91,.12);
    }
    .contact-form{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      border-radius:24px;
      padding:22px;
    }
    .form-label{color:rgba(255,255,255,.88);font-weight:800;font-size:14px}
    .form-control,.form-select{
      min-height:48px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      background:rgba(255,255,255,.09);
      box-shadow:none!important;
    }
    .form-select option{color:var(--color-text);background:#fff}
    .form-control::placeholder{color:rgba(255,255,255,.48)}
    .form-control:focus,.form-select:focus{
      border-color:var(--color-accent);
      background:rgba(255,255,255,.12);
      color:#fff;
      box-shadow:0 0 0 4px rgba(215,247,91,.15)!important;
    }
    textarea.form-control{min-height:116px;resize:vertical}
    .site-footer{
      background:var(--color-primary-dark);
      color:#fff;
      padding:66px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 16%,rgba(215,247,91,.13),transparent 26%),
        linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.04) 1px,transparent 1px);
      background-size:auto,44px 44px,44px 44px;
      opacity:.9;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:20px;
      font-weight:950;
      margin-bottom:16px;
    }
    .footer-text{
      max-width:520px;
      color:rgba(255,255,255,.72);
      font-size:15px;
    }
    .footer-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:20px;
    }
    .footer-tags span{
      border:1px solid rgba(215,247,91,.22);
      background:rgba(215,247,91,.08);
      color:var(--color-accent);
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
    }
    .footer-title{
      color:#fff;
      font-size:16px;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.70);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--color-accent);
      padding-left:4px;
    }
    .footer-bottom{
      margin-top:42px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }
    @media (max-width:991.98px){
      .site-header{top:0;padding-top:10px}
      .nav-panel{border-radius:22px}
      .brand-mark{min-width:auto}
      .navbar-collapse{
        margin-top:12px;
        padding-top:12px;
        border-top:1px solid var(--color-border);
      }
      .nav-card-list{gap:10px;align-items:stretch;margin-left:0}
      .nav-tile{justify-content:flex-start;width:100%}
      .nav-cta{margin-top:10px;width:100%}
      .hero-inner{padding:30px}
      .content-shell{grid-template-columns:1fr}
      .side-stack{position:static}
      .featured-card{grid-template-columns:1fr}
      .featured-image{min-height:230px;position:relative}
      .topic-card.wide{grid-template-columns:1fr}
      .topic-thumb{min-height:190px}
      .faq-wrap{grid-template-columns:1fr}
    }
    @media (max-width:767.98px){
      .section{padding:62px 0}
      .category-hero{padding:34px 0 26px}
      .hero-card{min-height:auto;border-radius:26px}
      .hero-inner{padding:24px}
      .hero-metrics{grid-template-columns:1fr;gap:10px}
      .topic-grid{grid-template-columns:1fr}
      .topic-card.wide{grid-column:auto}
      .explain-strip{grid-template-columns:1fr}
      .contact-panel{padding:24px;border-radius:26px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:575.98px){
      .container{padding-left:16px;padding-right:16px}
      .brand-text strong{font-size:14px}
      .brand-text span{font-size:11px}
      .brand-icon{width:38px;height:38px;flex-basis:38px;border-radius:13px}
      h1{font-size:2rem}
      .btn-kaiyun,.btn-outline-kaiyun{width:100%;padding-left:16px;padding-right:16px}
      .featured-content,.panel-card,.topic-card{padding:20px}
      .breadcrumb-item,.breadcrumb-item a{font-size:13px}
    }