/* roulang page: index */
:root{
      --ink:#181617;
      --ink-soft:#242022;
      --plum:#3d2634;
      --plum-light:#583847;
      --moss:#61756b;
      --moss-dark:#46564f;
      --paper:#eee8dc;
      --paper-deep:#ded4c3;
      --fog:#c9c9c0;
      --copper:#a8754b;
      --copper-soft:#c99d72;
      --line:rgba(168,117,75,.35);
      --text:#282327;
      --muted:#706a67;
      --danger:#a7544b;
      --success:#547a61;
      --radius-lg:20px;
      --radius-md:14px;
      --radius-sm:9px;
      --shadow-dark:0 22px 55px rgba(0,0,0,.32);
      --shadow-paper:0 18px 38px rgba(61,38,52,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.86;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.045;
      z-index:-1;
      background-image:
        radial-gradient(circle at 15% 18%, var(--copper) 0 1px, transparent 1.4px),
        radial-gradient(circle at 78% 12%, var(--paper) 0 1px, transparent 1.5px),
        linear-gradient(115deg, transparent 48%, var(--paper) 49%, transparent 50%);
      background-size:29px 29px,47px 47px,84px 84px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0}
    :focus-visible{outline:3px solid rgba(97,117,107,.65);outline-offset:3px}
    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:1030;
      background:rgba(24,22,23,.94);
      border-bottom:1px solid rgba(168,117,75,.45);
      box-shadow:0 8px 28px rgba(0,0,0,.18);
      backdrop-filter:blur(14px);
    }
    .site-header:after{
      content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
      background:repeating-linear-gradient(90deg,transparent 0 34px,rgba(238,232,220,.45) 35px,transparent 36px 70px);
    }
    .navbar{min-height:78px;position:relative;z-index:1}
    .brand{
      display:inline-flex;align-items:center;gap:11px;color:var(--paper);
      font-weight:800;font-size:18px;letter-spacing:.025em;line-height:1.25;
    }
    .brand-mark{
      width:37px;height:37px;flex:0 0 37px;border:1px solid var(--copper);
      border-radius:50%;display:grid;place-items:center;position:relative;
      color:var(--copper-soft);background:rgba(61,38,52,.54);
      box-shadow:inset 0 0 0 4px rgba(168,117,75,.09);
    }
    .brand-mark:before{content:"";width:10px;height:13px;background:currentColor;clip-path:polygon(0 0,100% 50%,0 100%);margin-left:3px}
    .navbar-nav{gap:7px}
    .nav-link{
      color:#d8d1c5!important;border:1px solid transparent;border-radius:999px;
      padding:8px 14px!important;font-size:14px;transition:.22s ease;
    }
    .nav-link:hover,.nav-link:focus{color:var(--paper)!important;background:rgba(97,117,107,.22);border-color:rgba(97,117,107,.48)}
    .nav-link.active{color:var(--paper)!important;background:var(--moss-dark);border-color:rgba(201,157,114,.45)}
    .nav-tips{font-size:13px;color:#c4baad;padding-left:10px}
    .navbar-toggler{border:1px solid var(--line);color:var(--paper);padding:8px 10px;border-radius:9px}
    .navbar-toggler-icon{filter:invert(1)}
    .offcanvas{background:var(--ink);color:var(--paper);border-left:1px solid var(--line)}
    .offcanvas-header{border-bottom:1px solid var(--line)}
    .btn-close{filter:invert(1)}
    .mobile-link{display:block;padding:13px 0;border-bottom:1px solid rgba(238,232,220,.11);color:var(--paper)}
    .mobile-link.active{color:var(--copper-soft)}
    main{background:var(--paper)}
    .metric-hero{
      position:relative;overflow:hidden;background:var(--ink);color:var(--paper);
      padding:72px 0 86px;
    }
    .metric-hero:before{
      content:"";position:absolute;inset:0;opacity:.34;pointer-events:none;
      background:
        radial-gradient(ellipse at 81% 46%,rgba(97,117,107,.28),transparent 28%),
        radial-gradient(ellipse at 72% 20%,rgba(168,117,75,.19),transparent 18%),
        linear-gradient(128deg,transparent 0 62%,rgba(238,232,220,.055) 62.15% 62.5%,transparent 62.65%);
    }
    .metric-hero:after{
      content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(201,157,114,.22);
      border-radius:48% 52% 40% 60%;right:-190px;top:-120px;transform:rotate(28deg);
    }
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-index{
      display:inline-flex;align-items:center;gap:8px;color:var(--copper-soft);
      font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
    }
    .eyebrow:before,.section-index:before{content:"";width:23px;height:1px;background:currentColor}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,4.2vw,50px);line-height:1.25;letter-spacing:.035em;margin:16px 0 20px;font-weight:850}
    h1 .accent{color:var(--copper-soft);display:block;font-size:.64em;margin-top:9px;font-weight:700;letter-spacing:.13em}
    .hero-copy{max-width:630px;color:#d4cbc0;font-size:17px;line-height:1.95;margin-bottom:28px}
    .button-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
    .btn-site{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 19px;
      font-weight:800;font-size:14px;border-radius:999px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .btn-site:hover{transform:translateY(-2px)}
    .btn-site:active{transform:translateY(0)}
    .btn-primary-site{background:var(--moss);color:var(--paper);box-shadow:0 9px 20px rgba(0,0,0,.23)}
    .btn-primary-site:hover{background:#748d81;color:#fff;box-shadow:0 14px 27px rgba(0,0,0,.31)}
    .btn-outline-site{border:1px solid rgba(201,157,114,.68);color:var(--paper);background:rgba(238,232,220,.04)}
    .btn-outline-site:hover{background:rgba(168,117,75,.18);color:#fff}
    .hero-note{font-size:12px;color:#ada398;margin:19px 0 0}
    .dashboard{position:relative;min-height:400px;padding:25px 18px 33px}
    .dashboard-frame{
      position:absolute;inset:15px 12px 12px 22px;border:1px solid rgba(201,157,114,.53);
      border-radius:18px 8px 18px 8px;background:rgba(61,38,52,.27);
      box-shadow:var(--shadow-dark),inset 0 0 0 7px rgba(238,232,220,.025);
    }
    .dashboard-frame:before,.dashboard-frame:after{
      content:"";position:absolute;width:22px;height:22px;border-color:var(--copper);border-style:solid;
    }
    .dashboard-frame:before{left:-5px;top:-5px;border-width:1px 0 0 1px}
    .dashboard-frame:after{right:-5px;bottom:-5px;border-width:0 1px 1px 0}
    .portal{
      position:absolute;top:64px;left:55px;width:205px;height:205px;border-radius:50%;
      border:1px solid rgba(238,232,220,.34);display:grid;place-items:center;
      background:radial-gradient(circle,rgba(97,117,107,.55) 0 18%,rgba(61,38,52,.58) 19% 47%,rgba(24,22,23,.1) 48%);
      box-shadow:0 0 0 14px rgba(168,117,75,.06),0 0 42px rgba(97,117,107,.24);
    }
    .portal:before{content:"";width:135px;height:135px;border:1px dashed rgba(201,157,114,.7);border-radius:42% 58% 54% 46%;transform:rotate(18deg)}
    .portal:after{content:"▷";position:absolute;font-size:49px;line-height:1;color:var(--paper);text-shadow:0 0 17px rgba(238,232,220,.3)}
    .mini-card{
      position:absolute;width:176px;padding:15px;border:1px solid rgba(201,157,114,.42);
      border-radius:8px 15px 8px 15px;background:rgba(24,22,23,.83);box-shadow:var(--shadow-dark);
    }
    .mini-card small{display:block;color:#a99e94;font-size:11px;letter-spacing:.08em}
    .mini-card strong{display:block;color:var(--paper);font-size:25px;line-height:1.3;margin:4px 0}
    .mini-card span{font-size:12px;color:#cac1b7}
    .mini-a{right:0;top:37px}.mini-b{right:24px;bottom:57px}
    .status-line{position:absolute;bottom:24px;left:42px;right:38px;height:22px;display:flex;gap:6px;align-items:center}
    .status-line i{height:4px;flex:1;background:rgba(238,232,220,.17);display:block}
    .status-line i:nth-child(-n+5){background:var(--copper)}
    .status-line b{font-size:10px;color:#c1b6ab;font-weight:500;margin-left:7px;white-space:nowrap}
    .section{padding:98px 0}
    .section-paper{background:var(--paper)}
    .section-fog{background:#d9d7cf}
    .section-dark{background:var(--ink-soft);color:var(--paper)}
    .section-heading{max-width:700px;margin-bottom:40px}
    .section-heading h2{font-size:clamp(27px,3vw,36px);line-height:1.35;margin:10px 0 13px;font-weight:850;letter-spacing:.025em}
    .section-heading p{color:var(--muted);margin:0;font-size:16px}
    .section-dark .section-heading p{color:#c7beb4}
    .matrix-layout{display:grid;grid-template-columns:300px 1fr;gap:25px;align-items:stretch}
    .index-panel{
      background:var(--plum);color:var(--paper);padding:31px 26px;border-radius:var(--radius-lg) 8px var(--radius-lg) 8px;
      border:1px solid rgba(201,157,114,.42);box-shadow:var(--shadow-dark);position:relative;overflow:hidden;
    }
    .index-panel:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(238,232,220,.12);border-radius:50%;right:-80px;bottom:-80px}
    .index-panel h3{font-size:25px;line-height:1.4;margin:14px 0;color:var(--paper)}
    .index-panel p{font-size:14px;color:#d2c6bd;margin-bottom:24px}
    .rule-mini{position:relative;z-index:1;margin-top:26px;padding:14px;border-top:1px solid rgba(201,157,114,.45);font-size:12px;color:#cfc3b8}
    .matrix-grid{display:grid;grid-template-columns:1.1fr .9fr;grid-template-rows:auto auto;gap:17px}
    .matrix-card{
      min-height:210px;padding:25px;border:1px solid rgba(86,71,63,.19);border-radius:var(--radius-md);
      position:relative;overflow:hidden;transition:.24s ease;box-shadow:0 10px 24px rgba(61,38,52,.06);
    }
    .matrix-card:hover{transform:translateY(-4px);border-color:rgba(168,117,75,.72);box-shadow:0 19px 32px rgba(61,38,52,.15)}
    .matrix-card:before{content:"";position:absolute;right:17px;top:17px;width:20px;height:20px;border-right:1px solid currentColor;border-top:1px solid currentColor;opacity:.5;transition:transform .24s ease}
    .matrix-card:hover:before{transform:rotate(18deg)}
    .matrix-card.dark{background:var(--ink-soft);color:var(--paper)}
    .matrix-card.light{background:#f6f1e8;color:var(--text)}
    .matrix-card.moss{background:#bdc8c0;color:#24302b}
    .matrix-card.plum{background:#543744;color:var(--paper)}
    .matrix-card.large{grid-row:span 2;min-height:437px}
    .card-number{font-size:12px;font-weight:800;letter-spacing:.12em;opacity:.68}
    .matrix-card h3{font-size:22px;margin:24px 0 12px;line-height:1.38}
    .matrix-card ul{padding:0;margin:0 0 17px;list-style:none;font-size:13px;line-height:1.8}
    .matrix-card li:before{content:"·";color:var(--copper);font-weight:900;margin-right:7px}
    .card-link{font-size:13px;font-weight:800;display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid currentColor;padding-bottom:2px}
    .card-link:hover{color:var(--copper-soft)}
    .comparison-shell{display:grid;grid-template-columns:1fr 28px 1fr;align-items:stretch}
    .compare-page{padding:34px 30px;background:#f7f2e8;border:1px solid rgba(125,107,91,.25);box-shadow:var(--shadow-paper)}
    .compare-page.before{border-radius:18px 4px 4px 18px;background:#e6e0d5}
    .compare-page.after{border-radius:4px 18px 18px 4px;background:#f9f5ed}
    .compare-divider{position:relative;background:var(--ink-soft)}
    .compare-divider:before{content:"";position:absolute;width:1px;top:23px;bottom:23px;left:50%;background:var(--copper)}
    .compare-divider:after{content:"◆";position:absolute;top:calc(50% - 11px);left:calc(50% - 8px);color:var(--copper);font-size:16px}
    .compare-page h3{font-size:23px;margin:12px 0 22px}
    .compare-badge{font-size:11px;font-weight:800;letter-spacing:.11em;color:var(--plum)}
    .after .compare-badge{color:var(--moss-dark)}
    .compare-row{display:grid;grid-template-columns:31px 88px 1fr;gap:10px;padding:15px 0;border-top:1px solid rgba(100,87,75,.18);font-size:13px;align-items:start}
    .compare-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--plum);color:var(--paper);font-size:12px}
    .after .compare-icon{background:var(--moss-dark)}
    .compare-label{font-weight:800;font-size:13px;padding-top:3px}
    .compare-row p{margin:0;color:#625c57;line-height:1.75}
    .path-track{display:flex;align-items:center;gap:0;margin-top:31px;overflow-x:auto;padding:10px 0}
    .path-node{white-space:nowrap;font-size:13px;font-weight:700;display:flex;align-items:center;color:var(--plum)}
    .path-node:before{content:"";display:inline-block;width:12px;height:12px;border:3px solid var(--copper);border-radius:50%;background:var(--paper);margin-right:8px}
    .path-node:not(:last-child):after{content:"";width:62px;height:1px;background:var(--copper);margin:0 11px}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-header{text-align:center;margin-bottom:33px}
    .faq-header p{color:#c9beb4;margin:0}
    .accordion-item{border:0!important;background:transparent!important;margin-bottom:10px}
    .accordion-button{
      background:#f3ede2!important;color:var(--text)!important;border:1px solid rgba(168,117,75,.32)!important;
      border-radius:11px!important;box-shadow:none!important;padding:18px 20px!important;font-weight:800;font-size:16px;line-height:1.5;
    }
    .accordion-button:hover{border-color:var(--copper)!important;background:#fffaf1!important}
    .accordion-button:not(.collapsed){background:#ece3d4!important;color:var(--plum)!important;border-radius:11px 11px 0 0!important}
    .accordion-button:before{content:attr(data-no);font-size:11px;letter-spacing:.08em;color:var(--copper);margin-right:13px}
    .accordion-button:after{filter:sepia(1) saturate(.6);background-size:15px}
    .accordion-body{background:#e9e2d7;border:1px solid rgba(168,117,75,.32);border-top:0;border-radius:0 0 11px 11px;padding:17px 21px;color:#5e5751;font-size:15px;line-height:1.9}
    .form-shell{
      display:grid;grid-template-columns:.82fr 1.18fr;gap:0;overflow:hidden;background:var(--ink);
      border:1px solid rgba(201,157,114,.52);border-radius:20px 7px 20px 7px;box-shadow:var(--shadow-dark);
    }
    .form-intro{padding:42px 37px;color:var(--paper);background:var(--plum);position:relative;overflow:hidden}
    .form-intro:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(238,232,220,.13);border-radius:50%;right:-155px;bottom:-105px}
    .form-intro h2{font-size:31px;line-height:1.35;margin:13px 0 16px}
    .form-intro p{font-size:15px;color:#d8ccc1;position:relative;z-index:1}
    .form-point{display:flex;gap:10px;align-items:flex-start;border-top:1px solid rgba(201,157,114,.4);padding:14px 0;font-size:13px;color:#d8ccc1;position:relative;z-index:1}
    .form-point b{color:var(--copper-soft)}
    .form-area{background:#f4eee4;padding:35px}
    .form-label{font-size:13px;font-weight:800;color:#4d3b42;margin-bottom:6px}
    .form-control,.form-select{
      border:1px solid #b9ae9f;background:#fffaf2;color:var(--text);border-radius:9px;padding:11px 13px;
      min-height:46px;box-shadow:none!important;
    }
    .form-control:hover,.form-select:hover{border-color:var(--copper)}
    .form-control:focus,.form-select:focus{border-color:var(--moss);box-shadow:0 0 0 4px rgba(97,117,107,.17)!important}
    textarea.form-control{min-height:128px;resize:vertical}
    .form-check-input{border-color:#9e907d;box-shadow:none!important}
    .form-check-input:checked{background-color:var(--moss);border-color:var(--moss)}
    .form-check-label{font-size:13px;color:#5f5750}
    .form-feedback{display:none;font-size:12px;margin-top:4px;color:var(--danger)}
    .is-invalid~.form-feedback{display:block}
    .form-status{font-size:12px;color:#6b635c;margin:15px 0 0}
    .footer{position:relative;background:var(--ink);color:#d8d0c5;padding:58px 0 24px;border-top:1px solid var(--copper);overflow:hidden}
    .footer:before{content:"";position:absolute;inset:0;opacity:.05;background:repeating-linear-gradient(45deg,transparent 0 22px,#eee8dc 23px 24px,transparent 25px 48px)}
    .footer-grid{position:relative;display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:42px}
    .footer .brand{margin-bottom:15px}
    .footer p{font-size:13px;color:#b8aea4;max-width:390px}
    .footer h3{font-size:14px;color:var(--copper-soft);letter-spacing:.08em;margin:5px 0 13px}
    .footer-links{display:flex;flex-direction:column;align-items:flex-start}
    .footer-links a{font-size:13px;padding:7px 0;color:#d8d0c5}
    .footer-links a:hover{color:var(--copper-soft);text-decoration:underline;text-underline-offset:4px}
    .footer-bottom{position:relative;border-top:1px solid rgba(238,232,220,.15);margin-top:37px;padding-top:18px;display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap;font-size:12px;color:#958b82}
    .back-top{
      position:fixed;right:22px;bottom:22px;z-index:1000;width:43px;height:43px;border-radius:50%;
      display:grid;place-items:center;background:var(--plum);color:var(--paper);border:1px solid var(--copper);
      box-shadow:var(--shadow-dark);opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s ease;
    }
    .back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
    .back-top:hover{background:var(--moss)}
    @media (max-width:991.98px){
      .hero-grid{grid-template-columns:1fr;gap:25px}
      .dashboard{max-width:620px;width:100%;margin:auto}
      .matrix-layout{grid-template-columns:1fr}
      .index-panel{padding:27px}
      .form-shell{grid-template-columns:1fr}
      .form-intro{padding:34px}
      .section{padding:75px 0}
    }
    @media (max-width:767.98px){
      .site-container{width:min(100% - 28px,var(--container))}
      .metric-hero{padding:52px 0 60px}
      .navbar{min-height:67px}
      .brand{font-size:15px}
      .brand-mark{width:33px;height:33px;flex-basis:33px}
      .hero-copy{font-size:15px}
      .dashboard{min-height:370px;padding-left:0}
      .portal{left:25px;width:175px;height:175px}
      .mini-card{width:151px;padding:12px}
      .mini-card strong{font-size:21px}
      .mini-a{right:0}.mini-b{right:9px}
      .matrix-grid{grid-template-columns:1fr}
      .matrix-card.large{grid-row:auto;min-height:245px}
      .matrix-card{min-height:200px}
      .comparison-shell{grid-template-columns:1fr}
      .compare-page.before,.compare-page.after{border-radius:14px}
      .compare-divider{height:25px}
      .compare-divider:before{width:auto;height:1px;left:23px;right:23px;top:50%;bottom:auto}
      .compare-divider:after{left:calc(50% - 8px);top:calc(50% - 10px)}
      .path-node:not(:last-child):after{width:32px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
    }
    @media (max-width:519.98px){
      h1{font-size:34px}
      .section{padding:53px 0}
      .section-heading{margin-bottom:28px}
      .section-heading h2{font-size:27px}
      .button-row{align-items:stretch}
      .button-row .btn-site{width:100%}
      .dashboard{min-height:350px}
      .dashboard-frame{inset:10px 3px 10px 3px}
      .portal{left:18px;top:65px;width:145px;height:145px}
      .portal:before{width:103px;height:103px}
      .portal:after{font-size:38px}
      .mini-card{width:132px}
      .mini-card small{font-size:10px}.mini-card span{font-size:10px}
      .mini-a{top:35px}.mini-b{bottom:49px}
      .status-line{left:20px;right:18px}
      .compare-page{padding:25px 19px}
      .compare-row{grid-template-columns:29px 71px 1fr;font-size:12px}
      .form-area{padding:27px 19px}.form-intro{padding:30px 23px}
      .btn-submit{width:100%}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }

/* roulang page: category1 */
:root{
 --ink:#181617;--ink-soft:#242022;--plum:#3d2634;--plum-light:#583847;
 --moss:#61756b;--moss-dark:#46564f;--paper:#eee8dc;--paper-deep:#ded4c3;
 --fog:#c9c9c0;--copper:#a8754b;--copper-soft:#c99d72;
 --line:rgba(168,117,75,.35);--text:#282327;--muted:#706a67;
 --danger:#a7544b;--success:#547a61;--radius-lg:20px;--radius-md:14px;
 --radius-sm:9px;--shadow-dark:0 22px 55px rgba(0,0,0,.32);
 --shadow-paper:0 18px 38px rgba(61,38,52,.10);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--text);background:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:16px;line-height:1.86;overflow-x:hidden;
}
body:before{
 content:"";position:fixed;inset:0;pointer-events:none;opacity:.045;z-index:-1;
 background-image:radial-gradient(circle at 15% 18%,var(--copper) 0 1px,transparent 1.4px),radial-gradient(circle at 78% 12%,var(--paper) 0 1px,transparent 1.5px),linear-gradient(115deg,transparent 48%,var(--paper) 49%,transparent 50%);
 background-size:29px 29px,47px 47px,84px 84px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{border:0}
.site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{
 position:sticky;top:0;z-index:1030;background:rgba(24,22,23,.94);
 border-bottom:1px solid rgba(168,117,75,.45);box-shadow:0 8px 28px rgba(0,0,0,.18);backdrop-filter:blur(14px);
}
.site-header:after{
 content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
 background:repeating-linear-gradient(90deg,transparent 0 34px,rgba(238,232,220,.45) 35px,transparent 36px 70px);
}
.navbar{min-height:78px;position:relative;z-index:1}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--paper);font-weight:800;font-size:18px;letter-spacing:.025em;line-height:1.25}
.brand:hover{color:#fff}
.brand-mark{
 width:37px;height:37px;flex:0 0 37px;border:1px solid var(--copper);border-radius:50%;
 display:grid;place-items:center;position:relative;color:var(--copper-soft);background:rgba(61,38,52,.54);
 box-shadow:inset 0 0 0 4px rgba(168,117,75,.09);
}
.brand-mark:before{content:"";width:10px;height:13px;background:currentColor;clip-path:polygon(0 0,100% 50%,0 100%);margin-left:3px}
.navbar-nav{gap:7px}
.nav-link{color:#d8d1c5!important;border:1px solid transparent;border-radius:999px;padding:8px 14px!important;font-size:14px;transition:.22s ease}
.nav-link:hover,.nav-link:focus{color:var(--paper)!important;background:rgba(97,117,107,.22);border-color:rgba(97,117,107,.48)}
.nav-link.active{color:var(--paper)!important;background:var(--moss-dark);border-color:rgba(201,157,114,.45)}
.nav-tips{font-size:13px;color:#c4baad;padding-left:10px}
.navbar-toggler{border:1px solid var(--line);color:var(--paper);padding:8px 10px;border-radius:9px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(97,117,107,.45)}
.navbar-toggler-icon{filter:invert(1)}
.offcanvas{background:var(--ink);color:var(--paper);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.btn-close{filter:invert(1)}
.mobile-link{display:block;padding:13px 0;border-bottom:1px solid rgba(238,232,220,.11);color:var(--paper)}
.mobile-link.active{color:var(--copper-soft)}
.mobile-note{margin-top:20px;padding:14px;border:1px solid var(--line);border-radius:var(--radius-sm);color:#c8beb2;font-size:13px;line-height:1.75}
main{background:var(--paper);min-height:70vh}
.breadcrumb-wrap{background:#dfd8ca;border-bottom:1px solid rgba(168,117,75,.34)}
.breadcrumb-bar{display:flex;align-items:center;gap:14px;min-height:56px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}
.breadcrumb-bar::-webkit-scrollbar{display:none}
.breadcrumb{margin:0;background:none;--bs-breadcrumb-divider:"/";font-size:14px}
.breadcrumb-item a{color:var(--plum);font-weight:700}
.breadcrumb-item a:hover{text-decoration:underline;text-decoration-color:var(--copper)}
.breadcrumb-item.active{color:var(--muted)}
.back-link{margin-left:auto;display:inline-flex;align-items:center;gap:7px;color:var(--moss-dark);font-size:13px;font-weight:800}
.back-link:hover{color:var(--plum)}
.archive-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--paper);padding:60px 0 66px}
.archive-hero:before{
 content:"";position:absolute;inset:0;opacity:.55;pointer-events:none;
 background:radial-gradient(ellipse at 83% 32%,rgba(97,117,107,.28),transparent 25%),radial-gradient(circle at 70% 85%,rgba(168,117,75,.13),transparent 24%),linear-gradient(135deg,transparent 0 68%,rgba(238,232,220,.05) 68.2% 68.5%,transparent 68.7%);
}
.archive-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 280px;gap:50px;align-items:center}
.eyebrow,.section-index{display:inline-flex;align-items:center;gap:8px;color:var(--copper-soft);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
.eyebrow:before,.section-index:before{content:"";width:23px;height:1px;background:currentColor}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(32px,4vw,46px);line-height:1.25;letter-spacing:.025em;margin:13px 0 18px;font-weight:850}
.hero-copy{max-width:700px;margin:0;color:#d4cbc0;font-size:17px;line-height:1.92}
.archive-stamp{
 min-height:184px;display:flex;flex-direction:column;justify-content:center;align-items:center;
 border:1px solid rgba(201,157,114,.5);border-radius:18px 8px 18px 8px;
 background:linear-gradient(145deg,rgba(61,38,52,.65),rgba(24,22,23,.52));box-shadow:var(--shadow-dark);position:relative;
}
.archive-stamp:before,.archive-stamp:after{content:"";position:absolute;width:30px;height:30px;border-color:var(--copper);opacity:.7}
.archive-stamp:before{left:14px;top:14px;border-left:1px solid;border-top:1px solid}
.archive-stamp:after{right:14px;bottom:14px;border-right:1px solid;border-bottom:1px solid}
.stamp-orb{width:62px;height:62px;border:1px solid var(--copper-soft);border-radius:50%;position:relative;box-shadow:inset 0 0 0 7px rgba(168,117,75,.12)}
.stamp-orb:before{content:"";position:absolute;left:25px;top:16px;width:0;height:0;border-top:14px solid transparent;border-bottom:14px solid transparent;border-left:20px solid var(--copper-soft)}
.archive-stamp strong{font-size:15px;letter-spacing:.13em;color:var(--paper);margin-top:10px}
.archive-stamp span{font-size:12px;color:#bcb1a7;margin-top:3px}
.tool-section{padding:26px 0;background:#d9d7cf;border-bottom:1px solid rgba(168,117,75,.25)}
.tool-row{display:flex;gap:14px;justify-content:space-between;align-items:center}
.tool-copy{font-size:14px;color:var(--muted)}
.tool-copy strong{color:var(--plum)}
.filter-set{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px}
.filter-set::-webkit-scrollbar{display:none}
.filter-chip{white-space:nowrap;border:1px solid rgba(61,38,52,.2);background:rgba(238,232,220,.75);color:var(--plum);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:800;transition:.2s ease}
.filter-chip:hover,.filter-chip:focus{background:#fff;border-color:var(--copper);color:var(--plum)}
.filter-chip.active{background:var(--moss-dark);border-color:var(--moss-dark);color:var(--paper)}
.content-area{padding:76px 0 88px;background:var(--paper)}
.layout-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(260px,4fr);gap:32px;align-items:start}
.section-title{font-size:28px;line-height:1.35;letter-spacing:.02em;color:var(--plum);margin:10px 0 8px;font-weight:850}
.section-lead{color:var(--muted);max-width:680px;margin-bottom:28px}
.archive-list{display:grid;gap:16px}
.archive-card{
 display:grid;grid-template-columns:118px minmax(0,1fr) 136px;gap:20px;align-items:center;
 padding:16px;background:#f7f3eb;border:1px solid rgba(61,38,52,.15);border-radius:8px 17px 8px 17px;
 box-shadow:0 8px 18px rgba(61,38,52,.055);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.archive-card:hover{transform:translateY(-4px);border-color:rgba(168,117,75,.7);box-shadow:var(--shadow-paper)}
.thumb{
 height:94px;border-radius:8px;overflow:hidden;position:relative;border:1px solid rgba(168,117,75,.45);
 background-color:var(--ink-soft);display:flex;align-items:flex-end;padding:11px;color:var(--paper);
}
.thumb:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(201,157,114,.4),transparent 18%),linear-gradient(137deg,transparent 35%,rgba(97,117,107,.55) 35.5%,transparent 36%),repeating-linear-gradient(90deg,rgba(238,232,220,.06) 0 1px,transparent 1px 14px)}
.thumb-b{background-color:var(--plum)}.thumb-c{background-color:#35433e}.thumb-d{background-color:#3b3332}.thumb-e{background-color:#46333b}.thumb-f{background-color:#29312e}
.thumb-number{position:relative;z-index:1;font-size:26px;font-weight:850;line-height:1;color:var(--paper)}
.card-main h3{font-size:19px;line-height:1.48;margin:0 0 7px;color:var(--plum);font-weight:850}
.card-main p{margin:0;color:#625b58;font-size:14px;line-height:1.78}
.card-action{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;background:rgba(97,117,107,.14);color:var(--moss-dark);font-size:11px;font-weight:850;letter-spacing:.04em}
.card-date{font-size:12px;color:var(--muted)}
.read-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:850;color:var(--plum);border-bottom:1px solid var(--copper);padding-bottom:2px}
.read-link:hover{color:var(--moss-dark);border-color:var(--moss-dark)}
.side-index{position:sticky;top:102px;display:grid;gap:16px}
.side-card{padding:21px;background:#e3ddd0;border:1px solid rgba(168,117,75,.3);border-radius:var(--radius-md);box-shadow:0 10px 24px rgba(61,38,52,.07)}
.side-card.dark{background:var(--ink-soft);color:var(--paper);border-color:rgba(201,157,114,.35)}
.side-card h2{font-size:17px;color:var(--plum);margin:0 0 13px;font-weight:850}
.side-card.dark h2{color:var(--paper)}
.index-links{list-style:none;padding:0;margin:0}
.index-links li+li{border-top:1px solid rgba(61,38,52,.11)}
.index-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;color:#554c4b;font-size:14px;font-weight:700}
.index-links a:hover{color:var(--moss-dark)}
.index-links a:after{content:"→";color:var(--copper)}
.rule-note{font-size:13px;line-height:1.8;color:#cbc2b8;margin:0}
.rule-note strong{color:var(--copper-soft)}
.feedback-mini{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:42px;margin-top:14px;border-radius:999px;background:var(--moss);color:var(--paper);font-size:13px;font-weight:850;transition:.2s ease}
.feedback-mini:hover{background:#748d81;transform:translateY(-2px);color:#fff}
.pagination-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:28px;padding:20px 0 0;border-top:1px solid rgba(61,38,52,.14)}
.page-note{font-size:13px;color:var(--muted)}
.pagination{margin:0;gap:6px}
.page-link{border:1px solid rgba(61,38,52,.18)!important;border-radius:8px!important;background:#f7f3eb!important;color:var(--plum)!important;font-weight:800;min-width:38px;text-align:center}
.page-link:hover{border-color:var(--copper)!important;background:#fff!important}
.page-item.active .page-link{background:var(--moss-dark)!important;border-color:var(--moss-dark)!important;color:var(--paper)!important}
.notice-section{padding:70px 0;background:#d9d7cf}
.notice-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
.notice-paper,.feedback-card{border-radius:var(--radius-lg);padding:34px;position:relative;overflow:hidden}
.notice-paper{background:#f5f0e6;border:1px solid rgba(168,117,75,.32);box-shadow:var(--shadow-paper)}
.notice-paper:after{content:"";position:absolute;right:-40px;top:-60px;width:190px;height:190px;border:1px solid rgba(168,117,75,.25);border-radius:48% 52% 60% 40%;transform:rotate(30deg)}
.notice-paper h2,.feedback-card h2{font-size:26px;line-height:1.42;margin:9px 0 12px;font-weight:850}
.notice-paper h2{color:var(--plum)}
.notice-paper p{max-width:700px;color:var(--muted);margin-bottom:16px}
.notice-list{padding:0;margin:0;list-style:none;display:grid;gap:9px}
.notice-list li{position:relative;padding-left:22px;font-size:14px;color:#554e4b}
.notice-list li:before{content:"";width:8px;height:8px;border:1px solid var(--copper);border-radius:50%;position:absolute;left:0;top:9px}
.feedback-card{background:var(--plum);color:var(--paper);box-shadow:var(--shadow-dark)}
.feedback-card:before{content:"";position:absolute;inset:12px;border:1px solid rgba(201,157,114,.26);border-radius:12px;pointer-events:none}
.feedback-card>*{position:relative;z-index:1}
.feedback-card p{color:#ddd1c8;margin-bottom:20px;font-size:15px}
.btn-site{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 19px;font-weight:800;font-size:14px;border-radius:999px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-site:hover{transform:translateY(-2px)}
.btn-site:active{transform:translateY(0)}
.btn-primary-site{background:var(--moss);color:var(--paper);box-shadow:0 9px 20px rgba(0,0,0,.23)}
.btn-primary-site:hover{background:#748d81;color:#fff;box-shadow:0 14px 27px rgba(0,0,0,.31)}
.btn-outline-site{border:1px solid rgba(201,157,114,.68);color:var(--paper);background:rgba(238,232,220,.04)}
.btn-outline-site:hover{background:rgba(168,117,75,.18);color:#fff}
.btn-site:focus-visible,.filter-chip:focus-visible,.read-link:focus-visible,.feedback-mini:focus-visible,a:focus-visible{outline:3px solid rgba(97,117,107,.55);outline-offset:3px}
.footer{position:relative;overflow:hidden;background:var(--ink);color:#c7beb4;border-top:1px solid rgba(168,117,75,.55);padding:54px 0 20px}
.footer:before{content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;background:repeating-linear-gradient(135deg,transparent 0 24px,rgba(238,232,220,.5) 25px,transparent 26px 52px)}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:36px}
.footer p{max-width:450px;margin:17px 0 0;font-size:14px;line-height:1.85}
.footer h3{color:var(--paper);font-size:15px;margin:3px 0 13px;font-weight:850}
.footer-links{display:grid}
.footer-links a{display:flex;align-items:center;min-height:35px;font-size:14px;color:#c7beb4}
.footer-links a:hover{color:var(--copper-soft);text-decoration:underline}
.footer-bottom{position:relative;border-top:1px solid rgba(238,232,220,.13);padding-top:17px;display:flex;justify-content:space-between;gap:16px;color:#9f968d;font-size:12px}
.back-top{position:fixed;right:22px;bottom:24px;z-index:1000;width:44px;height:44px;border-radius:50%;border:1px solid rgba(201,157,114,.65);background:var(--ink-soft);color:var(--paper);box-shadow:var(--shadow-dark);opacity:0;visibility:hidden;transform:translateY(12px);transition:.2s ease}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--moss-dark);color:#fff}
@media (max-width:991.98px){
 .archive-grid{grid-template-columns:1fr 220px;gap:30px}
 .layout-grid{grid-template-columns:1fr}
 .side-index{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
 .side-card.dark{grid-column:span 2}
}
@media (max-width:767.98px){
 .site-container{width:min(var(--container),calc(100% - 28px))}
 .navbar{min-height:68px}.brand{font-size:16px}.brand-mark{width:33px;height:33px;flex-basis:33px}
 .archive-hero{padding:45px 0}.archive-grid{grid-template-columns:1fr}.archive-stamp{display:none}
 .tool-row{align-items:flex-start;flex-direction:column}.filter-set{max-width:100%;width:100%}
 .content-area{padding:54px 0 62px}.archive-card{grid-template-columns:94px minmax(0,1fr);gap:14px}
 .thumb{height:80px}.card-action{grid-column:2;align-items:flex-start;flex-direction:row;gap:11px;flex-wrap:wrap}
 .side-index{grid-template-columns:1fr}.side-card.dark{grid-column:auto}
 .notice-section{padding:52px 0}.notice-grid{grid-template-columns:1fr}.notice-paper,.feedback-card{padding:27px}
 .footer-grid{grid-template-columns:1fr;gap:27px}.footer-bottom{flex-direction:column;gap:5px}
}
@media (max-width:519.98px){
 body{font-size:15px}.nav-tips{display:none}
 .breadcrumb-bar{gap:10px}.back-link{font-size:12px}
 h1{font-size:30px}.hero-copy{font-size:15px}.section-title{font-size:24px}
 .archive-card{grid-template-columns:74px minmax(0,1fr);padding:13px;gap:12px}
 .thumb{height:67px;padding:8px}.thumb-number{font-size:20px}.card-main h3{font-size:16px}.card-main p{font-size:13px;line-height:1.7}
 .card-action{gap:8px}.pagination-wrap{align-items:flex-start;flex-direction:column}.pagination{flex-wrap:wrap}
 .notice-paper h2,.feedback-card h2{font-size:22px}.back-top{right:14px;bottom:14px}
}
@media (prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
}