/* roulang page: index */
:root{
      --ink:#171a1c;
      --paper:#f4f1eb;
      --white:#fbfaf7;
      --orange:#e6532f;
      --orange-dark:#bd3f24;
      --mustard:#d5a447;
      --muted:#6e716f;
      --line:#d9d5cc;
      --soft:#ebe6dc;
      --shadow:0 16px 44px rgba(28,29,27,.09);
      --radius:14px;
      --max:1240px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      font-size:16px;line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(230,83,47,.4);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.045em;line-height:1.2}
    h1{font-size:clamp(42px,6vw,76px);margin-bottom:26px}
    h2{font-size:clamp(30px,4vw,48px);margin-bottom:18px}
    h3{font-size:22px;margin-bottom:10px}
    .section{padding:104px 0}
    .section-head{max-width:760px;margin-bottom:42px}
    .section-head p{color:var(--muted);font-size:17px;max-width:690px}
    .dark{background:var(--ink);color:var(--white)}
    .dark .section-head p,.dark .muted{color:#b7b9b5}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-search{color:#d9dbd7;font-size:13px;padding:9px 5px}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}
    .button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}
    .button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{background:var(--ink);color:var(--white);padding:64px 0 86px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-180px;top:-220px;width:560px;height:560px;border:1px solid rgba(230,83,47,.35);border-radius:50%;box-shadow:0 0 0 35px rgba(230,83,47,.04),0 0 0 70px rgba(230,83,47,.03)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;position:relative;z-index:1}
    .hero-copy{max-width:700px}
    .hero h1{max-width:670px}
    .hero h1 em{font-style:normal;color:var(--orange)}
    .hero-lead{font-size:19px;line-height:1.8;color:#d1d4cf;max-width:660px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero .button.outline{border-color:#666b68;color:#fff}
    .hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:30px;flex-wrap:wrap;color:#afb3af;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .hero-art{position:relative;min-height:455px}
    .hero-art img{height:455px;object-fit:cover;border-radius:18px;opacity:.72}
    .hero-art:after{content:"";position:absolute;inset:0;border-radius:18px;background:linear-gradient(90deg,rgba(23,26,28,.35),rgba(23,26,28,.02))}
    .goal-card{position:absolute;left:-38px;bottom:28px;width:270px;background:var(--paper);color:var(--ink);padding:23px;border-radius:13px;box-shadow:var(--shadow);z-index:2}
    .goal-card small{color:var(--muted);font-size:12px}
    .goal-line{height:8px;border-radius:8px;background:#d9d5cc;margin:15px 0 10px;overflow:hidden}
    .goal-line i{display:block;width:68%;height:100%;background:var(--orange)}
    .goal-number{font-size:34px;font-weight:900;letter-spacing:-.07em}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .goal-section{background:var(--white)}
    .goal-board{background:var(--ink);color:#fff;border-radius:18px;padding:40px;display:grid;grid-template-columns:190px 1fr;gap:38px;align-items:center}
    .ring{width:165px;height:165px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--orange) 0 68%,#515654 68% 100%);position:relative}
    .ring:after{content:"";position:absolute;inset:13px;border-radius:50%;background:var(--ink)}
    .ring b{position:relative;z-index:1;font-size:35px}
    .goal-board h3{font-size:28px}
    .goal-board p{color:#c4c7c2}
    .goal-points{display:flex;gap:24px;border-top:1px solid #484d4b;padding-top:19px;margin-top:20px}
    .goal-points b{font-size:24px;color:var(--orange);display:block}
    .goal-points span{font-size:12px;color:#b7b9b5}
    .tiers{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:16px;align-items:stretch}
    .tier{background:var(--white);border:1px solid var(--line);padding:27px;border-radius:var(--radius);position:relative}
    .tier.featured{background:var(--orange);color:#fff;border-color:var(--orange);transform:translateY(-15px)}
    .tier .tag{font-size:11px;font-weight:800;color:var(--orange);letter-spacing:.1em}
    .featured .tag{color:#ffe1d8}
    .tier h3{margin:18px 0 6px}
    .tier p{color:var(--muted);font-size:14px}
    .featured p{color:#ffe9e3}
    .tier ul{list-style:none;padding:0;margin:21px 0 0;font-size:14px}
    .tier li{padding:8px 0;border-top:1px solid var(--line)}
    .featured li{border-color:rgba(255,255,255,.3)}
    .wall{background:#e9e3d8}
    .wall-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:50px;align-items:center}
    .wall-quote{font-size:25px;font-weight:800;line-height:1.45}
    .supporters{display:flex;flex-wrap:wrap;gap:10px}
    .supporters span{background:var(--white);border:1px solid var(--line);padding:10px 15px;border-radius:30px;font-size:14px}
    .intro-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:68px;align-items:start}
    .intro-layout img{height:410px;object-fit:cover;border-radius:16px}
    .intro-text{font-size:18px;line-height:2;color:#454846}
    .intro-note{border-left:3px solid var(--orange);padding:10px 0 10px 20px;color:var(--muted);font-size:14px}
    .entry-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:17px}
    .entry{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden;display:flex;min-height:190px}
    .entry img{width:42%;object-fit:cover}
    .entry-body{padding:22px}
    .entry-body p{font-size:14px;color:var(--muted);margin-bottom:12px}
    .entry.tall{grid-row:span 2;display:block}
    .entry.tall img{width:100%;height:220px}
    .entry.tall .entry-body{padding:26px}
    .entry:hover,.news-item:hover,.rank-item:hover{border-color:var(--orange);box-shadow:var(--shadow);transform:translateY(-3px)}
    .label{display:inline-block;color:var(--orange);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
    .arrow{font-weight:900;color:var(--orange);font-size:20px}
    .data-section{background:var(--ink);color:#fff}
    .data-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:end}
    .big-stat{font-size:clamp(70px,10vw,140px);font-weight:900;letter-spacing:-.11em;line-height:.85;color:var(--orange)}
    .stat-caption{color:#c2c5c0;margin-top:22px;max-width:300px}
    .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #484d4b}
    .stat{padding:25px 20px 10px 0;border-right:1px solid #484d4b}
    .stat:not(:first-child){padding-left:20px}
    .stat b{display:block;font-size:37px;color:#fff}
    .stat span{font-size:13px;color:#aeb2ae}
    .calendar-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:25px}
    .calendar{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:26px}
    .calendar-row{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .calendar-row:last-child{border-bottom:0}
    .calendar-date{font-size:13px;color:var(--orange);font-weight:900}
    .calendar-row b{font-size:16px}
    .calendar-row span{display:block;color:var(--muted);font-size:13px}
    .rank-panel{background:var(--ink);color:#fff;border-radius:15px;padding:30px}
    .rank-item{display:flex;align-items:center;gap:15px;padding:16px 0;border-bottom:1px solid #454a48;transition:.22s}
    .rank-num{font-size:25px;color:var(--orange);font-weight:900;width:30px}
    .rank-item b{font-size:15px;flex:1}
    .rank-item small{color:#afb2ae}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:35px}
    .step{padding:27px 23px 0;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step:before{content:"";position:absolute;top:-6px;left:23px;width:11px;height:11px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px var(--paper)}
    .step b{font-size:34px;color:var(--orange);display:block;margin-bottom:18px}
    .step p{font-size:14px;color:var(--muted)}
    .feature-band{background:#e8e1d5}
    .feature-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:35px}
    .feature-main{background:var(--ink);color:#fff;border-radius:17px;padding:42px;min-height:320px;position:relative;overflow:hidden}
    .feature-main:after{content:"01";position:absolute;right:20px;bottom:-35px;font-size:190px;font-weight:900;color:rgba(255,255,255,.05)}
    .feature-main p{color:#c8cbc6;max-width:630px}
    .mini-stack{display:grid;gap:16px}
    .mini-feature{background:var(--white);padding:26px;border:1px solid var(--line);border-radius:14px}
    .news-section{background:var(--white)}
    .news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:30px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:125px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.22s}
    .news-item time{font-size:13px;color:var(--muted)}
    .news-item h3{font-size:18px;margin:3px 0}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .news-side{background:var(--paper);padding:30px;border-radius:15px}
    .news-side img{height:175px;object-fit:cover;border-radius:10px;margin-bottom:20px}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;text-align:left;background:none;border:0;padding:21px 40px 21px 0;font-weight:800;position:relative;cursor:pointer;color:var(--ink)}
    .faq-q:after{content:"＋";position:absolute;right:5px;font-size:23px;color:var(--orange)}
    .faq-q[aria-expanded=true]:after{content:"—"}
    .faq-a{display:none;color:var(--muted);font-size:15px;padding:0 30px 22px 0}
    .faq-q[aria-expanded=true]+.faq-a{display:block}
    .contact{background:var(--orange);color:#fff}
    .contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
    .contact p{color:#ffe8df}
    .contact form{background:var(--white);color:var(--ink);padding:30px;border-radius:15px}
    label{font-weight:800;font-size:13px;margin-bottom:6px}
    input,textarea,select{border:1px solid var(--line)!important;box-shadow:none!important;border-radius:7px!important;background:#fff!important}
    textarea{min-height:110px;resize:vertical}
    .form-message{display:none;color:#26734d;background:#e1f3e8;padding:10px 13px;border-radius:7px;font-size:13px;margin-top:14px}
    .brand-section{padding:75px 0;background:#fbfaf7}
    .brand-copy{max-width:880px;font-size:18px;line-height:2;color:#454846}
    .footer{background:var(--ink);color:#d5d8d3;padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:38px}
    .footer h3{font-size:16px;color:#fff;letter-spacing:0;margin-bottom:16px}
    .footer p,.footer a{font-size:13px;color:#aeb2ae}
    .footer a{display:block;margin:7px 0}
    .footer a:hover{color:var(--orange)}
    .footer-brand{font-size:27px;font-weight:900;color:#fff;margin-bottom:14px}
    .footer-brand span{color:var(--orange)}
    .footer-bottom{border-top:1px solid #414644;margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
    .footer-bottom span,.footer-bottom a{font-size:12px;display:inline-block;margin-right:15px}
    .subscribe{display:flex;gap:7px}
    .subscribe input{min-width:0;margin:0!important}
    .subscribe button{border:0;border-radius:7px;background:var(--orange);color:#fff;padding:0 15px;font-weight:800}
    @media(max-width:1050px){
      .main-nav{gap:0;margin-left:0}.main-nav a{padding:8px 7px;font-size:12px}
      .hero-grid,.data-layout,.intro-layout,.wall-grid{gap:35px}
    }
    @media(max-width:800px){
      .container{width:min(100% - 32px,var(--max))}
      .section{padding:68px 0}
      .topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--ink);padding:12px 16px 20px;flex-direction:column;align-items:stretch;border-top:1px solid #3d4240}
      .main-nav.open{display:flex}.main-nav a{padding:13px 12px;font-size:15px}
      .nav-tools .nav-search{display:none}.nav-cta{display:none}
      .hero{padding:50px 0 70px}.hero-grid,.split,.wall-grid,.intro-layout,.data-layout,.calendar-layout,.feature-layout,.news-layout,.faq-layout,.contact-layout{grid-template-columns:1fr}
      .hero-art{min-height:330px}.hero-art img{height:330px}.goal-card{left:16px;bottom:20px}
      .goal-board{grid-template-columns:1fr;padding:28px;gap:22px}.ring{width:130px;height:130px}.ring b{font-size:28px}
      .tiers{grid-template-columns:1fr}.tier.featured{transform:none}
      .entry-grid{grid-template-columns:1fr}.entry.tall{grid-row:auto}.entry{min-height:160px}
      .stat-grid{grid-template-columns:1fr 1fr}.stat{border-bottom:1px solid #484d4b}.big-stat{font-size:95px}
      .timeline{grid-template-columns:1fr 1fr}.step{min-height:175px}
      .news-item{grid-template-columns:1fr auto;gap:4px 15px}.news-item time{grid-column:1/-1}.news-item p{grid-column:1/-1}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      h1{font-size:43px}.hero-lead{font-size:16px}.section-head p{font-size:15px}
      .hero-meta{gap:16px}.goal-points{gap:13px}.goal-points b{font-size:20px}
      .entry{display:block}.entry img{width:100%;height:170px}.entry.tall img{height:190px}
      .timeline{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line);min-height:0;padding-bottom:22px}
      .stat-grid{grid-template-columns:1fr}.stat:not(:first-child){padding-left:0}.stat{border-right:0}
      .footer-grid{grid-template-columns:1fr}.subscribe{display:grid;grid-template-columns:1fr auto}
    }

/* roulang page: category3 */
:root{
      --ink:#171a1c;
      --paper:#f4f1eb;
      --white:#fbfaf7;
      --orange:#e6532f;
      --orange-dark:#bd3f24;
      --mustard:#d5a447;
      --muted:#6e716f;
      --line:#d9d5cc;
      --soft:#ebe6dc;
      --shadow:0 16px 44px rgba(28,29,27,.09);
      --radius:14px;
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(230,83,47,.4);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.07em;margin:18px 0 24px;font-weight:900}
    h2{font-size:clamp(30px,4vw,43px);line-height:1.18;letter-spacing:-.05em;margin:14px 0 18px;font-weight:900}
    h3{font-size:21px;line-height:1.35;margin:0 0 12px;font-weight:850}
    .muted{color:var(--muted)}
    .section-head{max-width:760px;margin-bottom:40px}
    .section-head p{color:var(--muted);font-size:17px;max-width:700px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}
    .button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}
    .button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{background:var(--ink);color:#fff;padding:68px 0 82px;position:relative;overflow:hidden}
    .hero:after{content:"03";position:absolute;right:4%;top:-50px;font-size:280px;line-height:1;font-weight:900;color:rgba(255,255,255,.035)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
    .hero-lead{font-size:19px;line-height:1.85;color:#d1d4cf;max-width:680px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero .button.outline{border-color:#666b68;color:#fff}
    .hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:28px;flex-wrap:wrap;color:#afb3af;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .icon-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .icon-cell{min-height:112px;border:1px solid rgba(255,255,255,.17);border-radius:12px;padding:18px;background:rgba(255,255,255,.045)}
    .icon-cell b{display:block;color:var(--orange);font-size:27px;margin-bottom:5px}
    .icon-cell span{font-size:13px;color:#d3d5d1}
    .status-bar{margin-top:14px;border-left:3px solid var(--orange);padding:12px 15px;background:rgba(255,255,255,.07);font-size:13px;color:#c5c8c3}
    .paper{background:var(--white)}
    .intro-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:65px;align-items:center}
    .intro-grid img{height:410px;object-fit:cover;border-radius:16px}
    .prose{font-size:17px;color:#444846}
    .prose p{margin-bottom:20px}
    .rule-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:22px}
    .rule-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:31px}
    .rule-card.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
    .rule-card.dark p,.rule-card.dark li{color:#c9ccc7}
    .rule-card ul{margin:16px 0 0 20px}
    .tag{display:inline-block;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:13px}
    .dark-band{background:var(--ink);color:#fff}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #4b504e}
    .step{padding:25px 22px 12px 0;border-right:1px solid #4b504e;margin-right:22px}
    .step:last-child{border-right:0}
    .step-num{font-size:42px;color:var(--orange);font-weight:900;line-height:1;margin-bottom:20px}
    .step p{color:#b9bdb8;font-size:14px}
    .term-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .term{background:var(--paper);padding:24px;border:1px solid var(--line);border-radius:12px}
    .term strong{display:block;font-size:18px;margin-bottom:8px}
    .term p{color:var(--muted);font-size:14px;margin:0}
    .guide-image{display:grid;grid-template-columns:1fr 1fr;gap:17px;align-items:stretch}
    .guide-image img{height:270px;object-fit:cover;border-radius:14px}
    .note{padding:25px;background:#eee7db;border-left:4px solid var(--mustard);border-radius:0 12px 12px 0}
    .note p{margin:0;color:#4f514d}
    .mistake-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .mistake{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:12px}
    .mistake b{color:var(--orange);margin-right:8px}
    .mistake p{margin:12px 0 0;color:var(--muted);font-size:15px}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:75px;align-items:start}
    .accordion{margin:0;background:transparent}
    .accordion-item{border:1px solid var(--line);border-bottom:0;background:var(--white)}
    .accordion-item:last-child{border-bottom:1px solid var(--line)}
    .accordion-title{font-size:16px;font-weight:800;padding:20px 50px 20px 22px;color:var(--ink)}
    .accordion-title:hover{background:#f0ece4;color:var(--orange)}
    .accordion-content{padding:0 22px 21px;color:var(--muted);font-size:15px}
    .cta{background:var(--orange);color:#fff;border-radius:18px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin-bottom:8px}
    .cta p{margin:0;color:#ffe9e3;max-width:650px}
    .cta .button{background:#fff;color:var(--orange-dark)}
    .footer{background:var(--ink);color:#f3f0e9;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:40px}
    .footer-brand{font-weight:900;font-size:25px;letter-spacing:-.08em;margin-bottom:12px}
    .footer-brand span{color:var(--orange)}
    .footer p{color:#aeb2ad;font-size:14px;margin:0}
    .footer h3{font-size:14px;color:#fff;margin-bottom:15px}
    .footer a{display:block;color:#bfc2bd;font-size:14px;margin:6px 0}
    .footer a:hover{color:var(--orange)}
    .subscribe{display:flex;margin-top:15px}
    .subscribe input{width:100%;min-width:0;background:#292d2e;border:1px solid #555b58;color:#fff;padding:10px 12px;border-radius:7px 0 0 7px}
    .subscribe button{border:0;background:var(--orange);color:#fff;padding:0 14px;border-radius:0 7px 7px 0;font-weight:800}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #3c4240;margin-top:45px;padding-top:19px;color:#9ca19c;font-size:12px}
    .footer-bottom div{display:flex;gap:18px;flex-wrap:wrap}
    .footer-bottom a{font-size:12px;margin:0}
    @media(max-width:1050px){
      .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:12px}.nav-cta{display:none}
      .hero-grid,.intro-grid,.rule-layout,.faq-layout{gap:35px}
    }
    @media(max-width:780px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .topbar{min-height:68px;justify-content:space-between}.menu-toggle{display:block}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;margin:0;padding:12px 16px 18px;background:var(--ink);border-top:1px solid #3b403e;flex-direction:column;align-items:stretch}
      .main-nav.is-open{display:flex}.main-nav a{padding:13px 15px;min-height:44px}
      .hero{padding:50px 0 62px}.hero-grid,.intro-grid,.rule-layout,.faq-layout{grid-template-columns:1fr}
      .hero-art{order:-1}.icon-cell{min-height:96px}.steps{grid-template-columns:1fr 1fr}.step{border-bottom:1px solid #4b504e;padding-bottom:20px}
      .term-grid,.mistake-grid{grid-template-columns:1fr 1fr}.guide-image{grid-template-columns:1fr}
      .cta{display:block;padding:32px 25px}.cta .button{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-bottom{display:block}.footer-bottom>div{margin-bottom:12px}
    }
    @media(max-width:520px){
      h1{font-size:43px}.section{padding:62px 0}.hero-lead{font-size:16px}.icon-matrix,.term-grid,.mistake-grid,.steps{grid-template-columns:1fr}
      .hero-art{min-height:0}.icon-cell{min-height:auto}.intro-grid img{height:280px}.guide-image img{height:220px}
      .footer-grid{grid-template-columns:1fr}.footer-bottom div{display:block}.footer-bottom span,.footer-bottom a{display:block;margin:7px 0}
    }

/* roulang page: category2 */
:root{
      --ink:#171a1c;--paper:#f4f1eb;--white:#fbfaf7;--orange:#e6532f;
      --orange-dark:#bd3f24;--mustard:#d5a447;--muted:#6e716f;--line:#d9d5cc;
      --soft:#ebe6dc;--shadow:0 16px 44px rgba(28,29,27,.09);--radius:14px;--max:1240px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(230,83,47,.4);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .section{padding:88px 0}
    .section-head{max-width:780px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;letter-spacing:-.05em;margin:10px 0 14px}
    .section-head p{color:var(--muted);font-size:17px;max-width:720px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-search{color:#d9dbd7;font-size:13px;padding:9px 5px}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}.button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}.button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{background:var(--ink);color:var(--white);padding:56px 0 62px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-160px;top:-250px;width:600px;height:600px;border:1px solid rgba(230,83,47,.35);border-radius:50%;box-shadow:0 0 0 34px rgba(230,83,47,.04),0 0 0 70px rgba(230,83,47,.03)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center;position:relative;z-index:1}
    .hero h1{font-size:clamp(42px,6vw,70px);line-height:1.08;letter-spacing:-.08em;margin:12px 0 21px;max-width:650px}
    .hero h1 em{font-style:normal;color:var(--orange)}
    .hero-lead{font-size:18px;line-height:1.85;color:#d1d4cf;max-width:670px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 24px}
    .hero .button.outline{border-color:#666b68;color:#fff}.hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:30px;flex-wrap:wrap;color:#afb3af;font-size:13px}.hero-meta strong{display:block;color:#fff;font-size:24px;line-height:1.2}
    .hero-art{position:relative}.hero-art img{height:330px;object-fit:cover;border-radius:18px;opacity:.75}.hero-art:after{content:"";position:absolute;inset:0;border-radius:18px;background:linear-gradient(90deg,rgba(23,26,28,.4),rgba(23,26,28,.02))}
    .data-note{position:absolute;left:-28px;bottom:22px;width:255px;background:var(--paper);color:var(--ink);padding:21px;border-radius:13px;box-shadow:var(--shadow);z-index:2}.data-note b{display:block;font-size:28px;line-height:1.2}.data-note small{color:var(--muted)}
    .filter-section{background:var(--white);padding:28px 0;border-bottom:1px solid var(--line)}
    .filterbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.filterbar label{font-size:13px;font-weight:800;color:var(--muted)}
    select{min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:7px 34px 7px 12px;color:var(--ink)}
    .filter-status{margin-left:auto;font-size:13px;color:var(--muted)}.filter-status b{color:var(--orange)}
    .paper-section{background:var(--white)}
    .explain-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:start}
    .reading-copy{font-size:17px;color:#3e4240}.reading-copy p{margin:0 0 20px}
    .source-box{border-left:3px solid var(--orange);background:var(--paper);padding:25px 28px}.source-box h3{margin-top:0;font-size:21px}.source-box ul{padding-left:20px;color:var(--muted);margin-bottom:0}
    .stat-section{background:var(--ink);color:#fff}.stat-section .section-head p{color:#b7b9b5}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #484d4b;border-bottom:1px solid #484d4b}
    .stat{padding:30px 24px;border-right:1px solid #484d4b}.stat:last-child{border-right:0}.stat strong{font-size:46px;line-height:1;color:var(--orange);display:block;margin-bottom:10px}.stat span{color:#c2c5c1;font-size:14px}
    .chart-section{background:#e8e1d5}.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.chart-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
    .chart-card h3{margin:0 0 5px;font-size:22px}.chart-card p{margin:0 0 22px;color:var(--muted);font-size:14px}
    .bars{height:180px;display:flex;align-items:end;gap:14px;border-bottom:1px solid var(--line);padding:0 10px}.bar{flex:1;background:var(--orange);min-height:20px;border-radius:5px 5px 0 0;position:relative}.bar:nth-child(2n){background:var(--mustard)}.bar i{position:absolute;bottom:-29px;left:50%;transform:translateX(-50%);font-style:normal;color:var(--muted);font-size:12px}
    .axis-note{margin-top:35px;font-size:12px;color:var(--muted)}
    .observations{background:var(--paper)}.observation-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:50px}
    .obs-list{border-top:1px solid var(--line)}.obs-item{display:grid;grid-template-columns:110px 1fr 90px;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.obs-item time{font-size:13px;color:var(--muted)}.obs-item h3{font-size:18px;margin:0 0 3px}.obs-item p{font-size:14px;color:var(--muted);margin:0}.obs-item .arrow{text-align:right;color:var(--orange);font-weight:900}
    .side-panel{background:var(--ink);color:#fff;border-radius:16px;padding:28px}.side-panel h3{font-size:22px;margin-top:0}.side-panel p{color:#c8cbc6;font-size:14px}.side-panel li{padding:11px 0;border-bottom:1px solid #444a47;color:#d9dbd7}.side-panel ul{margin:0;padding-left:20px}
    .method-section{background:var(--white)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.method{border-top:3px solid var(--orange);padding:24px;background:var(--paper)}.method b{font-size:38px;color:var(--orange);display:block;line-height:1}.method h3{font-size:20px;margin:16px 0 7px}.method p{font-size:14px;color:var(--muted);margin:0}
    .scenario-section{background:var(--paper)}.scenario-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}.scenario-layout img{height:350px;object-fit:cover;border-radius:16px}.scenario-copy p{font-size:17px;color:#424643}.scenario-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.scenario-list a{padding:15px 17px;border:1px solid var(--line);background:var(--white);border-radius:10px;font-weight:800}.scenario-list a:hover{border-color:var(--orange);transform:translateY(-2px)}
    .faq-section{background:var(--white)}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}.faq-intro p{color:var(--muted)}.accordion{margin:0;border:0;background:transparent}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-title{font-size:17px;font-weight:800;padding:20px 38px 20px 0;color:var(--ink);background:transparent}.accordion-title:hover{color:var(--orange);background:transparent}.accordion-content{padding:0 30px 20px 0;background:transparent;color:var(--muted);font-size:15px}
    .cta-section{padding:72px 0}.cta-box{background:var(--ink);color:#fff;border-radius:18px;padding:42px 50px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{font-size:34px;line-height:1.25;margin:0 0 10px}.cta-box p{color:#c5c8c4;margin:0;max-width:680px}
    .footer{background:var(--ink);color:#fff;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:35px}.footer-brand{font-size:25px;font-weight:900;letter-spacing:-.08em}.footer-brand span{color:var(--orange)}.footer p{color:#b9bdb8;font-size:13px}.footer h3{font-size:14px;margin:0 0 14px;color:#fff}.footer a{display:block;color:#b9bdb8;font-size:13px;margin:7px 0}.footer a:hover{color:#fff}.subscribe{display:flex;margin-top:13px}.subscribe input{min-width:0;width:100%;height:42px;border:1px solid #555b57;background:#242829;color:#fff;padding:8px 10px;border-radius:7px 0 0 7px}.subscribe button{height:42px;border:0;background:var(--orange);color:#fff;padding:0 15px;border-radius:0 7px 7px 0;font-weight:800}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid #404644;margin-top:38px;padding-top:20px;color:#929894;font-size:11px}.footer-bottom span{margin-right:18px}.footer-bottom div:last-child{display:flex;gap:18px}.footer-bottom a{display:inline;margin:0;font-size:11px;color:#b9bdb8}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:12px}.hero-grid{gap:35px}.stat strong{font-size:38px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:10px 16px 18px;flex-direction:column;align-items:stretch;border-bottom:1px solid #444}.main-nav.open{display:flex}.main-nav a{padding:12px 14px;font-size:14px}.nav-tools{display:none}.hero{padding:48px 0 62px}.hero-grid,.explain-grid,.observation-layout,.scenario-layout,.faq-layout{grid-template-columns:1fr;gap:32px}.hero-art{order:-1}.hero-art img{height:245px}.data-note{left:15px;bottom:15px}.stat-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid #484d4b}.chart-grid,.method-grid{grid-template-columns:1fr}.scenario-layout img{height:260px}.cta-box{padding:32px 25px;display:block}.cta-box .button{margin-top:24px}.section{padding:64px 0}}
    @media(max-width:520px){.hero h1{font-size:43px}.hero-lead{font-size:16px}.hero-meta{gap:18px}.filter-status{margin-left:0;width:100%}.obs-item{grid-template-columns:1fr;gap:3px}.obs-item .arrow{text-align:left;margin-top:6px}.scenario-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div:last-child{margin-top:12px}.stat{padding:24px 15px}.stat strong{font-size:34px}}

/* roulang page: category1 */
:root{
      --ink:#171a1c;
      --paper:#f4f1eb;
      --white:#fbfaf7;
      --orange:#e6532f;
      --orange-dark:#bd3f24;
      --mustard:#d5a447;
      --muted:#6e716f;
      --line:#d9d5cc;
      --soft:#ebe6dc;
      --shadow:0 16px 44px rgba(28,29,27,.09);
      --radius:14px;
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(230,83,47,.4);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .section{padding:92px 0}
    .section-head{max-width:780px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.18;margin:12px 0 16px;letter-spacing:-.045em}
    .section-head p{color:var(--muted);font-size:17px;max-width:720px;margin:0}
    .dark{background:var(--ink);color:var(--white)}
    .dark .section-head p,.dark .muted{color:#b7b9b5}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-search{color:#d9dbd7;font-size:13px;padding:9px 5px}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}
    .button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}
    .button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{background:var(--ink);color:var(--white);padding:72px 0 82px;position:relative;overflow:hidden}
    .hero:after{content:"资讯 / 01";position:absolute;right:6%;bottom:14px;font-size:12px;color:#6f7470;letter-spacing:.2em}
    .hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:68px;align-items:center;position:relative;z-index:1}
    .hero h1{font-size:clamp(44px,6vw,72px);line-height:1.08;letter-spacing:-.075em;margin:16px 0 23px;max-width:650px}
    .hero h1 em{font-style:normal;color:var(--orange)}
    .hero-lead{font-size:19px;line-height:1.85;color:#d1d4cf;max-width:660px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero .button.outline{border-color:#666b68;color:#fff}
    .hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:30px;flex-wrap:wrap;color:#afb3af;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .hero-art{position:relative;min-height:425px}
    .hero-art img{height:425px;object-fit:cover;border-radius:18px;opacity:.76}
    .hero-art:after{content:"";position:absolute;inset:0;border-radius:18px;background:linear-gradient(90deg,rgba(23,26,28,.48),rgba(23,26,28,.05))}
    .date-card{position:absolute;left:-32px;bottom:28px;width:275px;background:var(--paper);color:var(--ink);padding:23px;border-radius:13px;box-shadow:var(--shadow);z-index:2}
    .date-card small{color:var(--muted);font-size:12px}
    .date-card strong{display:block;font-size:22px;line-height:1.35;margin-top:6px}
    .intro{background:var(--white)}
    .intro-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:center}
    .intro-image{height:370px;object-fit:cover;border-radius:16px}
    .intro-copy h2{font-size:36px;line-height:1.25;margin:14px 0 20px}
    .intro-copy p{color:var(--muted);font-size:17px}
    .note-line{border-left:3px solid var(--orange);padding:12px 0 12px 20px;margin-top:25px;color:var(--ink);font-weight:700}
    .lead-section{padding-top:82px}
    .lead-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:22px}
    .lead-card{background:var(--ink);color:#fff;border-radius:16px;overflow:hidden;display:grid;grid-template-columns:1fr .9fr;min-height:360px}
    .lead-card img{height:100%;object-fit:cover;opacity:.84}
    .lead-body{padding:38px 34px}
    .tag{display:inline-block;font-size:11px;color:var(--orange);font-weight:800;letter-spacing:.1em}
    .lead-body h3{font-size:28px;line-height:1.35;margin:18px 0 14px}
    .lead-body p{color:#c5c9c4;font-size:15px}
    .text-link{display:inline-flex;gap:10px;color:var(--orange);font-weight:800;margin-top:15px}
    .side-read{background:#e8e1d5;border-radius:16px;padding:30px}
    .side-read h3{font-size:22px;margin:9px 0 20px}
    .side-read ol{margin:0;padding:0;list-style:none}
    .side-read li{border-top:1px solid #cfc8bc;padding:15px 0;display:flex;gap:14px}
    .side-read li b{color:var(--orange);font-size:13px}
    .side-read li span{font-size:14px;line-height:1.5}
    .topic-section{background:#e8e1d5}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:25px;min-height:220px;transition:.22s}
    .topic-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
    .topic-card .number{font-size:42px;font-weight:900;color:#d6d0c5;line-height:1}
    .topic-card h3{font-size:21px;margin:18px 0 8px}
    .topic-card p{color:var(--muted);font-size:14px;margin:0}
    .timeline-section{background:var(--white)}
    .timeline-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
    .timeline-intro h2{font-size:38px;line-height:1.25;margin:14px 0}
    .timeline-intro p{color:var(--muted)}
    .timeline{border-top:1px solid var(--line)}
    .timeline-item{display:grid;grid-template-columns:130px 1fr 90px;gap:20px;align-items:start;padding:25px 0;border-bottom:1px solid var(--line)}
    .timeline-item time{font-size:13px;color:var(--muted);font-weight:700}
    .timeline-item h3{font-size:19px;line-height:1.45;margin:0 0 6px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .timeline-item .text-link{font-size:13px;margin:0;justify-content:flex-end}
    .data-section{background:var(--ink);color:#fff}
    .data-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:end}
    .data-layout h2{font-size:38px;line-height:1.25;margin:14px 0}
    .data-layout p{color:#b7b9b5}
    .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #484d4b}
    .stat{padding:24px 16px 8px;border-right:1px solid #484d4b}
    .stat:last-child{border:0}
    .stat strong{font-size:43px;color:var(--orange);display:block;line-height:1.2}
    .stat span{font-size:13px;color:#c4c7c2}
    .feature-section{background:var(--paper)}
    .feature-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .feature-main{background:var(--ink);color:#fff;border-radius:17px;overflow:hidden;position:relative}
    .feature-main img{height:235px;object-fit:cover;opacity:.72}
    .feature-main .feature-copy{padding:28px 34px 32px}
    .feature-main h3{font-size:26px;line-height:1.4;margin:12px 0}
    .feature-main p{color:#c8cbc6}
    .mini-stack{display:grid;gap:16px}
    .mini-feature{background:var(--white);padding:24px;border:1px solid var(--line);border-radius:14px}
    .mini-feature h3{font-size:19px;line-height:1.4;margin:10px 0}
    .mini-feature p{font-size:14px;color:var(--muted);margin:0}
    .path-section{background:#e8e1d5}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #c8c0b4}
    .path-item{padding:24px 24px 10px 0;border-right:1px solid #c8c0b4;margin-right:24px}
    .path-item:last-child{border:0;margin:0}
    .path-item b{font-size:38px;color:var(--orange)}
    .path-item h3{font-size:19px;margin:10px 0 6px}
    .path-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-section{background:var(--white)}
    .faq-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:75px}
    .faq-layout h2{font-size:38px;line-height:1.25;margin:14px 0}
    .faq-layout .muted{color:var(--muted)}
    .accordion{margin:0;background:transparent}
    .accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
    .accordion-title{font-weight:800;font-size:17px;padding:20px 42px 20px 0;border:0;background:transparent}
    .accordion-title:hover{background:transparent;color:var(--orange)}
    .accordion-content{border:0;background:transparent;padding:0 40px 20px 0;color:var(--muted);font-size:15px}
    .contact-section{padding:72px 0}
    .contact-box{background:var(--ink);color:#fff;border-radius:18px;padding:42px 48px;display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .contact-box h2{font-size:34px;line-height:1.25;margin:12px 0}
    .contact-box p{color:#c4c8c3}
    .feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .feedback-form label{font-size:13px;color:#d1d4cf}
    .feedback-form input,.feedback-form textarea{width:100%;background:#252a2b;color:#fff;border:1px solid #555d59;border-radius:7px;padding:11px 12px;margin-top:5px}
    .feedback-form textarea{min-height:88px;resize:vertical}
    .feedback-form .full{grid-column:1/-1}
    .feedback-form button{justify-self:start}
    .footer{background:var(--ink);color:#f6f3ed;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:42px}
    .footer-brand{font-size:25px;font-weight:900;letter-spacing:-.08em;margin-bottom:12px}
    .footer-brand span{color:var(--orange)}
    .footer p{color:#b7b9b5;font-size:13px;line-height:1.8}
    .footer h3{font-size:14px;margin:3px 0 16px;color:#fff}
    .footer a{display:block;color:#b7b9b5;font-size:13px;margin:8px 0}
    .footer a:hover{color:var(--orange)}
    .subscribe{display:flex;border-bottom:1px solid #606562;padding-bottom:7px}
    .subscribe input{background:transparent;border:0;color:#fff;min-width:0;flex:1;font-size:13px}
    .subscribe button{background:var(--orange);border:0;border-radius:5px;color:#fff;padding:5px 11px;cursor:pointer}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #3f4442;margin-top:42px;padding-top:18px;color:#929792;font-size:11px}
    .footer-bottom div{display:flex;gap:18px;flex-wrap:wrap}
    .footer-bottom a{display:inline;margin:0;font-size:11px}
    @media(max-width:1050px){
      .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:12px}.nav-cta{padding:9px 12px}
      .hero-grid,.intro-grid,.timeline-layout,.data-layout,.contact-box{gap:38px}
    }
    @media(max-width:800px){
      .container{width:min(var(--max),calc(100% - 34px))}
      .topbar{min-height:70px;justify-content:space-between}.menu-toggle{display:block}
      .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--ink);padding:12px 17px 20px;flex-direction:column;align-items:stretch;border-top:1px solid #3c4240}
      .main-nav.is-open{display:flex}.main-nav a{padding:13px 12px;font-size:14px}
      .nav-tools{display:none}.brand{font-size:22px}
      .hero{padding:54px 0 68px}.hero-grid,.intro-grid,.lead-grid,.timeline-layout,.data-layout,.feature-layout,.faq-layout,.contact-box{grid-template-columns:1fr}
      .hero-art{min-height:330px}.hero-art img{height:330px}.date-card{left:18px;bottom:18px}
      .section{padding:68px 0}.topic-grid{grid-template-columns:1fr 1fr}
      .path-grid{grid-template-columns:1fr 1fr;gap:20px}.path-item{border-right:0;margin:0;border-bottom:1px solid #c8c0b4;padding-bottom:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .contact-box{padding:32px 25px}
    }
    @media(max-width:520px){
      .hero h1{font-size:44px}.hero-lead{font-size:16px}.hero-meta{gap:18px}
      .topic-grid,.stat-grid,.footer-grid{grid-template-columns:1fr}
      .lead-card{grid-template-columns:1fr}.lead-card img{height:210px}.lead-body{padding:26px}
      .timeline-item{grid-template-columns:1fr;gap:5px}.timeline-item .text-link{justify-content:flex-start}
      .path-grid{grid-template-columns:1fr}.feedback-form{grid-template-columns:1fr}.feedback-form .full{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom>div{margin-bottom:12px}
    }

/* roulang page: category4 */
:root{
      --ink:#171a1c;
      --paper:#f4f1eb;
      --white:#fbfaf7;
      --orange:#e6532f;
      --orange-dark:#bd3f24;
      --mustard:#d5a447;
      --muted:#6e716f;
      --line:#d9d5cc;
      --soft:#ebe6dc;
      --shadow:0 16px 44px rgba(28,29,27,.09);
      --radius:14px;
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      font-size:16px;line-height:1.75;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.2;letter-spacing:-.045em}
    h1{font-size:clamp(42px,6vw,72px);margin-bottom:24px}
    h2{font-size:clamp(30px,4vw,46px);margin-bottom:18px}
    h3{font-size:22px;margin-bottom:12px}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(230,83,47,.42);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .section{padding:96px 0}
    .section-head{max-width:760px;margin-bottom:42px}
    .section-head p{color:var(--muted);font-size:17px;max-width:700px}
    .muted{color:var(--muted)}
    .dark{background:var(--ink);color:var(--white)}
    .dark .muted,.dark p{color:#b7b9b5}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-search{color:#d9dbd7;font-size:13px;padding:9px 5px}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}
    .button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}
    .button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{background:var(--ink);color:var(--white);padding:68px 0 88px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-190px;top:-220px;width:590px;height:590px;border:1px solid rgba(230,83,47,.35);border-radius:50%;box-shadow:0 0 0 35px rgba(230,83,47,.04),0 0 0 70px rgba(230,83,47,.03)}
    .hero-grid{display:grid;grid-template-columns:1fr 1.04fr;gap:66px;align-items:center;position:relative;z-index:1}
    .hero-copy{max-width:650px}
    .hero h1 em{font-style:normal;color:var(--orange)}
    .hero-lead{font-size:19px;line-height:1.85;color:#d1d4cf;max-width:620px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero .button.outline{border-color:#666b68;color:#fff}
    .hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:30px;flex-wrap:wrap;color:#afb3af;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .cover-stage{position:relative;background:#2b2e2e;padding:16px;border-radius:18px;box-shadow:var(--shadow)}
    .cover-stage img{height:430px;object-fit:cover;border-radius:10px}
    .cover-index{position:absolute;left:-22px;top:32px;background:var(--orange);color:#fff;padding:12px 15px;font-weight:900;font-size:14px;border-radius:7px;letter-spacing:.08em}
    .cover-note{position:absolute;right:-30px;bottom:30px;width:245px;background:var(--paper);color:var(--ink);padding:20px;border-radius:11px;box-shadow:var(--shadow);font-size:14px}
    .cover-note b{display:block;font-size:19px;margin-bottom:4px}
    .intro{background:var(--white)}
    .intro-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}
    .intro-layout img{height:370px;object-fit:cover;border-radius:16px}
    .intro-copy p{font-size:17px;color:#4f5351}
    .rule-line{border-left:3px solid var(--orange);padding-left:22px;margin-top:24px}
    .feature-band{background:#e8e1d5}
    .feature-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:28px}
    .feature-main{background:var(--ink);color:#fff;border-radius:17px;padding:42px;min-height:330px;position:relative;overflow:hidden}
    .feature-main:after{content:"01";position:absolute;right:20px;bottom:-35px;font-size:190px;font-weight:900;color:rgba(255,255,255,.05)}
    .feature-main p{color:#c8cbc6;max-width:650px}
    .feature-main .feature-label{color:#ffad97}
    .mini-stack{display:grid;gap:16px}
    .mini-feature{background:var(--white);padding:26px;border:1px solid var(--line);border-radius:14px}
    .mini-feature:hover,.reading-card:hover,.archive-item:hover{border-color:var(--orange);box-shadow:var(--shadow);transform:translateY(-3px)}
    .tag{display:inline-block;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:13px}
    .feature-main .tag{color:#ffad97}
    .reading{background:var(--paper)}
    .reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .reading-card{display:grid;grid-template-columns:42% 58%;background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.22s}
    .reading-card.wide{grid-column:span 2;grid-template-columns:48% 52%}
    .reading-card img{height:220px;object-fit:cover}
    .reading-card .card-body{padding:24px}
    .reading-card p{font-size:14px;color:var(--muted);margin-bottom:12px}
    .arrow{font-weight:900;color:var(--orange);font-size:20px}
    .data-section{background:var(--ink);color:#fff}
    .data-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
    .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #484d4b;margin-top:28px}
    .stat{padding:20px 12px 10px 0;border-right:1px solid #484d4b}
    .stat:last-child{border-right:0;padding-left:18px}
    .stat strong{display:block;font-size:42px;line-height:1;color:#fff}
    .stat span{display:block;color:#afb2ae;font-size:13px;margin-top:8px}
    .data-list{border-top:1px solid #484d4b}
    .data-row{display:grid;grid-template-columns:95px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid #454a48}
    .data-row b{font-size:16px}
    .data-row span{display:block;color:#afb2ae;font-size:13px}
    .data-mark{color:var(--mustard);font-weight:900}
    .timeline-section{background:var(--white)}
    .timeline{max-width:960px;border-left:2px solid var(--line);margin-left:18px}
    .timeline-item{position:relative;padding:0 0 34px 38px}
    .timeline-item:before{content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;background:var(--orange);border:4px solid var(--white);border-radius:50%}
    .timeline-item time{font-size:13px;color:var(--orange);font-weight:800}
    .timeline-item h3{margin:5px 0 8px}
    .timeline-item p{color:var(--muted);max-width:760px}
    .archive{background:var(--paper)}
    .archive-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .archive-item{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:25px;min-height:190px;transition:.22s}
    .archive-item .year{font-size:34px;font-weight:900;color:var(--ink);line-height:1}
    .archive-item p{font-size:14px;color:var(--muted);margin:13px 0}
    .method{background:#ded8cc}
    .method-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
    .method-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .method-step{border-top:2px solid var(--orange);padding-top:15px}
    .method-step b{font-size:28px;color:var(--orange);display:block}
    .method-step h3{font-size:19px;margin:3px 0 6px}
    .method-step p{font-size:14px;color:#5e625f}
    .method img{height:330px;object-fit:cover;border-radius:15px}
    .faq-section{background:var(--white)}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px}
    .accordion{margin:0;border-top:1px solid var(--line);background:transparent}
    .accordion-title{background:transparent;border-bottom:1px solid var(--line);font-size:16px;font-weight:800}
    .accordion-title a{padding:20px 42px 20px 0;color:var(--ink)}
    .accordion-title a:hover{color:var(--orange);background:transparent}
    .accordion-content{border:0;background:#f5f2ec;color:var(--muted);padding:20px;font-size:15px}
    .cta{background:var(--ink);color:#fff}
    .cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .cta p{color:#b7b9b5}
    .feedback-form{background:var(--paper);color:var(--ink);padding:27px;border-radius:14px}
    .feedback-form label{font-size:13px;font-weight:800;margin-bottom:6px}
    .feedback-form input,.feedback-form textarea{border:1px solid var(--line);background:#fff;box-shadow:none;border-radius:7px;margin-bottom:15px;padding:10px 12px}
    .feedback-form textarea{min-height:92px;resize:vertical}
    .form-note{font-size:12px;color:var(--muted);margin:10px 0 0}
    .footer{background:var(--ink);color:#e9e8e2;padding:66px 0 22px;border-top:1px solid #343938}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.1fr;gap:38px}
    .footer-brand{font-size:24px;font-weight:900;letter-spacing:-.08em;margin-bottom:13px}
    .footer-brand span{color:var(--orange)}
    .footer p{color:#aeb2ad;font-size:13px;max-width:270px}
    .footer h3{font-size:14px;color:#fff;letter-spacing:.02em;margin-bottom:16px}
    .footer a{display:block;color:#bfc2bd;font-size:13px;margin:7px 0}
    .footer a:hover{color:#fff}
    .subscribe{display:flex;gap:7px}
    .subscribe input{width:100%;min-width:0;background:#292d2e;border:1px solid #555d59;color:#fff;border-radius:6px;padding:9px}
    .subscribe button{background:var(--orange);border:0;color:#fff;border-radius:6px;padding:0 14px;cursor:pointer}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #424745;margin-top:46px;padding-top:20px;color:#999e99;font-size:11px}
    .footer-bottom span{margin-right:18px}
    .footer-bottom div:last-child{display:flex;gap:18px}
    .footer-bottom a{display:inline;font-size:11px;margin:0}
    @media(max-width:1050px){
      .main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-cta{padding-left:13px;padding-right:13px}
      .hero-grid,.intro-layout,.data-layout,.method-grid,.faq-layout{gap:38px}
    }
    @media(max-width:820px){
      .container{width:min(var(--max),calc(100% - 34px))}
      .topbar{min-height:68px;justify-content:space-between}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--ink);padding:12px 17px 18px;margin:0;flex-direction:column;align-items:stretch;border-top:1px solid #3d4240}
      .main-nav.is-open{display:flex}
      .main-nav a{padding:13px 14px;font-size:14px}
      .nav-tools{display:none}
      .hero-grid,.intro-layout,.data-layout,.method-grid,.faq-layout,.cta-grid{grid-template-columns:1fr}
      .hero{padding:48px 0 65px}
      .cover-stage{max-width:600px;margin:0 auto}
      .feature-layout{grid-template-columns:1fr}
      .reading-card.wide{grid-column:span 1}
      .archive-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:560px){
      .section{padding:64px 0}
      h1{font-size:43px}
      .hero-lead{font-size:17px}
      .hero-meta{gap:18px}
      .cover-stage img{height:330px}
      .cover-note{position:relative;right:auto;bottom:auto;width:auto;margin:-22px 14px 0;z-index:3}
      .reading-grid,.method-list,.archive-grid{grid-template-columns:1fr}
      .reading-card,.reading-card.wide{grid-template-columns:1fr}
      .reading-card img{height:190px}
      .feature-main{padding:28px;min-height:280px}
      .stat-grid{grid-template-columns:1fr}
      .stat{border-right:0;border-bottom:1px solid #484d4b;padding:16px 0}
      .stat:last-child{padding-left:0;border-bottom:0}
      .data-row{grid-template-columns:70px 1fr;gap:10px}
      .data-mark{grid-column:2}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-bottom div{margin-bottom:9px}
    }

/* roulang page: category5 */
:root{
      --ink:#171a1c;
      --paper:#f4f1eb;
      --white:#fbfaf7;
      --orange:#e6532f;
      --orange-dark:#bd3f24;
      --mustard:#d5a447;
      --muted:#6e716f;
      --line:#d9d5cc;
      --soft:#ebe6dc;
      --shadow:0 16px 44px rgba(28,29,27,.09);
      --radius:14px;
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      font-size:16px;line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(230,83,47,.4);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .section{padding:92px 0}
    .section-head{max-width:780px;margin-bottom:38px}
    .section-head h2{margin:12px 0 14px;font-size:38px;line-height:1.2;letter-spacing:-.045em}
    .section-head p{color:var(--muted);font-size:17px;max-width:710px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-search{color:#d9dbd7;font-size:13px;padding:9px 5px}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}
    .button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}
    .button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{
      background:var(--ink);color:var(--white);padding:70px 0 86px;position:relative;overflow:hidden
    }
    .hero:after{content:"ARCHIVE";position:absolute;right:-18px;bottom:-42px;font-size:120px;font-weight:900;letter-spacing:.04em;color:rgba(255,255,255,.035)}
    .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:66px;align-items:center;position:relative;z-index:1}
    .hero h1{font-size:clamp(44px,6vw,70px);line-height:1.08;letter-spacing:-.07em;margin:17px 0 24px;max-width:690px}
    .hero h1 em{font-style:normal;color:var(--orange)}
    .hero-lead{font-size:18px;line-height:1.85;color:#d1d4cf;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero .button.outline{border-color:#666b68;color:#fff}
    .hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:30px;flex-wrap:wrap;color:#afb3af;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .hero-art{position:relative;min-height:405px}
    .hero-art img{height:405px;object-fit:cover;border-radius:18px;opacity:.76}
    .hero-art:after{content:"";position:absolute;inset:0;border-radius:18px;background:linear-gradient(90deg,rgba(23,26,28,.4),rgba(23,26,28,.05))}
    .year-card{position:absolute;left:-35px;bottom:25px;width:275px;background:var(--paper);color:var(--ink);padding:23px;border-radius:13px;box-shadow:var(--shadow);z-index:2}
    .year-card small{color:var(--muted);font-size:12px}
    .year-card strong{display:block;font-size:45px;line-height:1;margin:8px 0;color:var(--orange)}
    .year-card p{font-size:13px;line-height:1.55;margin:0}
    .paper{background:var(--white)}
    .year-strip{display:flex;gap:10px;flex-wrap:wrap;padding:24px;border:1px solid var(--line);background:var(--white);border-radius:14px}
    .year-strip a{min-width:88px;text-align:center;padding:12px 15px;border:1px solid var(--line);border-radius:8px;font-weight:800}
    .year-strip a:hover,.year-strip a.active{background:var(--orange);border-color:var(--orange);color:#fff}
    .timeline{position:relative;margin-top:35px;padding-left:48px}
    .timeline:before{content:"";position:absolute;left:12px;top:0;bottom:0;width:1px;background:var(--line)}
    .timeline-item{position:relative;display:grid;grid-template-columns:145px 1fr;gap:32px;padding:0 0 40px}
    .timeline-item:before{content:"";position:absolute;left:-42px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 6px var(--paper)}
    .timeline-year{font-size:25px;font-weight:900;letter-spacing:-.04em}
    .timeline-content{border-bottom:1px solid var(--line);padding-bottom:28px}
    .timeline-content h3{font-size:23px;margin:0 0 8px}
    .timeline-content p{color:var(--muted);margin:0;max-width:720px}
    .tag{display:inline-block;color:var(--orange);font-size:11px;font-weight:900;letter-spacing:.08em;margin-bottom:7px}
    .archive-layout{display:grid;grid-template-columns:1.42fr .58fr;gap:45px;align-items:start}
    .archive-list{border-top:1px solid var(--ink)}
    .archive-row{display:grid;grid-template-columns:110px 100px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .archive-row time{font-weight:900;font-size:14px}
    .archive-row .kind{color:var(--orange);font-size:12px;font-weight:800}
    .archive-row h3{font-size:17px;margin:0;line-height:1.45}
    .archive-row small{display:block;color:var(--muted);margin-top:4px}
    .arrow{color:var(--orange);font-weight:900;font-size:20px}
    .side-note{background:#e8e1d5;padding:30px;border-radius:14px}
    .side-note h3{margin-top:0;font-size:23px}
    .side-note p{color:#5e625f;font-size:14px}
    .side-note ul{padding-left:20px;margin-bottom:0;color:#5e625f;font-size:14px}
    .data-section{background:var(--ink);color:#fff}
    .data-section .section-head p{color:#b7b9b5}
    .data-panel{display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid #484d4b;border-bottom:1px solid #484d4b}
    .data-stat{padding:29px 25px;border-right:1px solid #484d4b}
    .data-stat:last-child{border-right:0}
    .data-stat strong{font-size:42px;line-height:1;color:var(--orange);display:block;margin-bottom:10px}
    .data-stat span{display:block;color:#c6c9c4;font-size:14px}
    .data-foot{display:flex;justify-content:space-between;gap:30px;margin-top:24px;color:#aeb2ad;font-size:13px}
    .feature-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
    .feature-main{background:var(--ink);color:#fff;border-radius:17px;overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr;min-height:310px}
    .feature-main img{height:100%;object-fit:cover;opacity:.76}
    .feature-main .feature-copy{padding:35px}
    .feature-main h3{font-size:27px;line-height:1.35;margin:5px 0 15px}
    .feature-main p{color:#c8cbc6;font-size:14px}
    .mini-stack{display:grid;gap:20px}
    .mini-feature{background:var(--white);padding:25px;border:1px solid var(--line);border-radius:14px}
    .mini-feature h3{font-size:20px;margin:3px 0 8px}
    .mini-feature p{font-size:14px;color:var(--muted);margin:0}
    .source-box{border-left:4px solid var(--mustard);background:#f0ece4;padding:28px 32px;display:grid;grid-template-columns:160px 1fr;gap:25px}
    .source-box strong{font-size:24px}
    .source-box p{margin:0;color:#5f625f;font-size:15px}
    .table-wrap{overflow-x:auto;background:var(--white);border:1px solid var(--line);border-radius:14px}
    .archive-table{width:100%;border-collapse:collapse;min-width:680px}
    .archive-table th,.archive-table td{text-align:left;padding:16px 19px;border-bottom:1px solid var(--line);font-size:14px}
    .archive-table th{background:#eee9df;font-size:12px;color:var(--muted);letter-spacing:.06em}
    .archive-table tr:last-child td{border-bottom:0}
    .archive-table td:first-child{font-weight:900}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
    .faq-layout h2{font-size:40px;line-height:1.15;margin:14px 0}
    .faq-layout>div>p{color:var(--muted)}
    .accordion{margin:0;background:transparent}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-title{padding:21px 42px 21px 0;border:0;color:var(--ink);font-weight:800;font-size:16px;position:relative}
    .accordion-title:hover{color:var(--orange);background:transparent}
    .accordion-content{padding:0 32px 22px 0;border:0;background:transparent;color:var(--muted);font-size:14px}
    .cta{background:var(--orange);color:#fff;padding:52px 0}
    .cta-layout{display:flex;justify-content:space-between;gap:35px;align-items:center}
    .cta h2{font-size:34px;line-height:1.25;margin:0 0 9px}
    .cta p{margin:0;color:#ffe9e3;max-width:650px}
    .cta .button{background:#fff;color:var(--ink)}
    .cta .button:hover{background:var(--ink);color:#fff}
    .footer{background:var(--ink);color:#fff;padding:65px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.1fr;gap:40px;padding-bottom:45px}
    .footer-brand{font-size:25px;font-weight:900;letter-spacing:-.08em}
    .footer-brand span{color:var(--orange)}
    .footer p{color:#b7bbb6;font-size:13px;line-height:1.8}
    .footer h3{font-size:14px;margin:0 0 14px;color:#fff}
    .footer a{display:block;color:#b7bbb6;font-size:13px;margin:7px 0}
    .footer a:hover{color:#fff}
    .subscribe{display:flex;margin-top:12px}
    .subscribe input{width:100%;min-width:0;background:#292d2e;border:1px solid #4d5250;border-radius:7px 0 0 7px;color:#fff;padding:9px 12px}
    .subscribe button{border:0;background:var(--orange);color:#fff;padding:0 15px;border-radius:0 7px 7px 0;font-weight:800;cursor:pointer}
    .subscribe button:hover{background:var(--orange-dark)}
    .footer-bottom{border-top:1px solid #3c4140;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9fa39f;font-size:12px}
    .footer-bottom span{margin-right:18px}
    .footer-bottom div:last-child{display:flex;gap:18px}
    .footer-bottom a{font-size:12px;margin:0;color:#d0d3cf}
    .pagination{display:flex;gap:7px;margin-top:28px}
    .pagination a{border:1px solid var(--line);padding:8px 13px;border-radius:7px;font-size:13px}
    .pagination a.active,.pagination a:hover{background:var(--orange);border-color:var(--orange);color:#fff}
    @media(max-width:1100px){
      .main-nav{gap:0}.main-nav a{padding:8px 8px;font-size:12px}.nav-cta{padding:10px 13px}
      .hero-grid{gap:40px}.archive-layout{grid-template-columns:1fr}
    }
    @media(max-width:800px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .topbar{min-height:70px}.menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:70px;flex-direction:column;align-items:stretch;background:var(--ink);padding:12px;border:1px solid #3c4140;border-radius:10px;box-shadow:var(--shadow)}
      .main-nav.is-open{display:flex}.main-nav a{padding:13px 14px;font-size:14px}
      .nav-tools{display:none}.hero{padding:52px 0 70px}.hero-grid,.feature-main,.faq-layout{grid-template-columns:1fr}
      .hero-art{min-height:330px}.hero-art img{height:330px}.year-card{left:18px}
      .section{padding:66px 0}.section-head h2,.faq-layout h2{font-size:32px}
      .timeline-item{grid-template-columns:90px 1fr;gap:18px}.archive-row{grid-template-columns:85px 85px 1fr auto;gap:10px}
      .feature-main img{height:220px}.data-panel{grid-template-columns:1fr}.data-stat{border-right:0;border-bottom:1px solid #484d4b}.data-stat:last-child{border-bottom:0}
      .source-box{grid-template-columns:1fr;gap:8px}.cta-layout{display:block}.cta .button{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-bottom{display:block}.footer-bottom div:last-child{margin-top:14px}
    }
    @media(max-width:520px){
      .brand{font-size:21px}.hero h1{font-size:43px}.hero-lead{font-size:16px}
      .hero-meta{gap:18px}.year-card{position:relative;left:auto;bottom:auto;margin:-42px 18px 0;width:auto}
      .hero-art{min-height:280px}.hero-art img{height:280px}
      .year-strip{padding:15px;gap:7px}.year-strip a{min-width:calc(25% - 6px);padding:9px 4px;font-size:13px}
      .timeline{padding-left:30px}.timeline:before{left:5px}.timeline-item{grid-template-columns:1fr;gap:3px}.timeline-item:before{left:-36px}
      .archive-row{grid-template-columns:1fr auto;gap:5px 12px;padding:18px 0}.archive-row time,.archive-row .kind{grid-row:1}.archive-row h3{grid-column:1/-1}.archive-row small{grid-column:1/-1}
      .feature-main .feature-copy{padding:25px}.footer-grid{grid-template-columns:1fr}
      .footer-bottom span{display:block;margin:3px 0}
    }

/* roulang page: category6 */
:root{
      --ink:#171a1c;--paper:#f4f1eb;--white:#fbfaf7;--orange:#e6532f;
      --orange-dark:#bd3f24;--mustard:#d5a447;--muted:#6e716f;
      --line:#d9d5cc;--soft:#ebe6dc;--shadow:0 16px 44px rgba(28,29,27,.09);
      --radius:14px;--max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--orange)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(230,83,47,.42);outline-offset:3px}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    .section{padding:88px 0}
    .section-head{max-width:760px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 16px}
    .section-head p{color:var(--muted);font-size:17px;max-width:700px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,26,28,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:24px;font-weight:900;letter-spacing:-.08em;white-space:nowrap}
    .brand span{color:var(--orange)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1;margin-left:14px}
    .main-nav a{font-size:13px;color:#d9dbd7;padding:9px 12px;border-radius:8px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
    .main-nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-tools{display:flex;gap:10px;align-items:center}
    .nav-search{color:#d9dbd7;font-size:13px;padding:9px 5px}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:8px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer}
    .nav-cta,.button.primary{background:var(--orange);color:#fff}
    .nav-cta:hover,.button.primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,83,47,.23)}
    .button.dark{background:var(--ink);color:#fff}
    .button.dark:hover{background:#34393a;color:#fff;transform:translateY(-2px)}
    .button.outline{border-color:var(--line);color:var(--ink);background:transparent}
    .button.outline:hover{border-color:var(--orange);color:var(--orange);background:#fff}
    .menu-toggle{display:none;background:transparent;color:#fff;border:1px solid #555;padding:8px 12px;border-radius:7px}
    .hero{background:var(--ink);color:var(--white);padding:74px 0 86px;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-160px;top:-240px;width:600px;height:600px;border:1px solid rgba(230,83,47,.38);border-radius:50%;box-shadow:0 0 0 35px rgba(230,83,47,.04),0 0 0 70px rgba(230,83,47,.03)}
    .hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:76px;align-items:center;position:relative;z-index:1}
    .hero h1{font-size:clamp(46px,6vw,76px);line-height:1.08;letter-spacing:-.07em;margin:18px 0 25px;max-width:700px}
    .hero h1 em{font-style:normal;color:var(--orange)}
    .hero-lead{font-size:19px;line-height:1.85;color:#d1d4cf;max-width:670px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
    .hero .button.outline{border-color:#666b68;color:#fff}
    .hero .button.outline:hover{background:#fff;color:var(--ink)}
    .hero-meta{display:flex;gap:30px;flex-wrap:wrap;color:#afb3af;font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:25px;line-height:1.2}
    .hero-art{position:relative;min-height:430px}
    .hero-art img{height:430px;object-fit:cover;border-radius:18px;opacity:.6}
    .hero-art:after{content:"";position:absolute;inset:0;border-radius:18px;background:linear-gradient(135deg,rgba(23,26,28,.58),rgba(23,26,28,.05))}
    .warning-panel{position:absolute;left:-42px;bottom:28px;width:295px;background:var(--paper);color:var(--ink);padding:25px;border-radius:13px;box-shadow:var(--shadow);z-index:2}
    .warning-panel strong{display:block;font-size:21px;line-height:1.35;margin:6px 0}
    .warning-panel p{margin:0;color:var(--muted);font-size:13px}
    .number-mark{position:absolute;right:22px;top:18px;color:rgba(255,255,255,.75);font:700 13px/1 monospace;z-index:3}
    .light{background:var(--white)}
    .risk-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
    .risk-index{position:sticky;top:120px}
    .risk-index h2{font-size:42px;line-height:1.18;margin:13px 0 17px;letter-spacing:-.05em}
    .risk-index p{color:var(--muted)}
    .index-line{border-left:2px solid var(--orange);padding-left:18px;margin-top:28px;color:var(--muted);font-size:14px}
    .index-line b{color:var(--ink);display:block;margin-bottom:7px}
    .risk-copy{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:38px 42px}
    .risk-copy h3{font-size:25px;margin:0 0 14px;line-height:1.3}
    .risk-copy p{color:#4f5351;margin:0 0 22px}
    .risk-copy p:last-child{margin-bottom:0}
    .notice-box{border-left:4px solid var(--orange);background:#fff6f1;padding:20px 22px;margin:28px 0;color:#56352c}
    .notice-box strong{display:block;color:var(--orange-dark);margin-bottom:5px}
    .principles{background:#e8e1d5}
    .principle-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
    .principle-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .principle{background:var(--white);border:1px solid var(--line);padding:26px;border-radius:12px;min-height:180px}
    .principle .num{color:var(--orange);font:800 24px/1 monospace}
    .principle h3{font-size:20px;margin:18px 0 8px}
    .principle p{color:var(--muted);font-size:14px;margin:0}
    .side-note{background:var(--ink);color:#fff;padding:31px;border-radius:15px;display:flex;flex-direction:column;justify-content:space-between}
    .side-note h3{font-size:27px;line-height:1.3;margin:12px 0}
    .side-note p{color:#c8cbc6;font-size:14px}
    .side-note .line{height:1px;background:#555;margin:24px 0}
    .check-list{padding:0;margin:0;list-style:none}
    .check-list li{border-bottom:1px solid rgba(255,255,255,.18);padding:10px 0;color:#d8dbd6;font-size:14px}
    .check-list li:before{content:"✓";color:var(--orange);font-weight:bold;margin-right:9px}
    .signal-section{background:var(--ink);color:#fff}
    .signal-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:end}
    .signal-layout h2{font-size:40px;line-height:1.2;letter-spacing:-.04em;margin:14px 0}
    .signal-layout p{color:#bfc3be}
    .signal-list{border-top:1px solid #454a48}
    .signal-row{display:grid;grid-template-columns:100px 1fr 160px;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid #454a48}
    .signal-row b{color:var(--orange);font-size:14px}
    .signal-row strong{font-size:16px}
    .signal-row span{color:#aeb2ad;font-size:13px;text-align:right}
    .myth-section{background:var(--white)}
    .myth-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .myth-card{border:1px solid var(--line);border-radius:14px;padding:30px;background:var(--paper)}
    .myth-card.bad{border-top:4px solid #b9b2a6}
    .myth-card.good{border-top:4px solid var(--orange);background:#fff8f3}
    .myth-card h3{font-size:22px;margin:0 0 16px}
    .myth-card p{color:var(--muted);margin:0 0 12px;font-size:15px}
    .label{display:inline-block;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
    .data-boundary{background:var(--paper)}
    .boundary-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
    .boundary-layout img{height:370px;object-fit:cover;border-radius:16px}
    .boundary-copy h2{font-size:38px;line-height:1.25;margin:13px 0 17px}
    .boundary-copy p{color:var(--muted)}
    .boundary-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px}
    .boundary-points div{background:var(--white);border:1px solid var(--line);padding:15px;border-radius:9px;font-size:14px}
    .boundary-points b{display:block;color:var(--orange);margin-bottom:4px}
    .privacy{background:var(--white)}
    .privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .privacy-card{padding:27px;border:1px solid var(--line);border-radius:12px;background:var(--white)}
    .privacy-card h3{font-size:20px;margin:0 0 10px}
    .privacy-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-section{background:#e8e1d5}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .faq-layout h2{font-size:40px;line-height:1.2;letter-spacing:-.04em;margin:13px 0}
    .faq-layout p{color:var(--muted)}
    .accordion{margin:0;background:transparent}
    .accordion-item{border:1px solid var(--line);border-bottom:0;background:var(--white)}
    .accordion-item:last-child{border-bottom:1px solid var(--line)}
    .accordion-title{font-size:16px;font-weight:800;padding:20px 52px 20px 21px;color:var(--ink)}
    .accordion-title:hover{color:var(--orange)}
    .accordion-content{background:#fffdfa;color:var(--muted);font-size:14px;padding:20px 22px;border-top:1px solid var(--line)}
    .feedback{background:var(--ink);color:#fff}
    .feedback-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:45px;align-items:start}
    .feedback h2{font-size:40px;line-height:1.2;letter-spacing:-.05em;margin:13px 0 18px}
    .feedback p{color:#bfc3be}
    .feedback-note{border-left:2px solid var(--orange);padding-left:18px;margin-top:26px;font-size:14px}
    .feedback-form{background:var(--white);color:var(--ink);border-radius:15px;padding:30px}
    .feedback-form label{display:block;font-weight:800;font-size:13px;margin-bottom:7px}
    .feedback-form input,.feedback-form textarea,.feedback-form select{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px 13px;margin-bottom:17px;color:var(--ink)}
    .feedback-form textarea{min-height:116px;resize:vertical}
    .feedback-form input::placeholder,.feedback-form textarea::placeholder{color:#999b96}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-check{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:0 0 20px}
    .form-check input{width:17px;margin:0}
    .footer{background:var(--ink);color:#e8e9e5;padding:64px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:40px}
    .footer-brand{font-size:25px;font-weight:900;letter-spacing:-.08em;margin-bottom:14px}
    .footer-brand span{color:var(--orange)}
    .footer p{color:#aeb2ad;font-size:13px;max-width:280px;margin:0}
    .footer h3{font-size:14px;color:#fff;margin:0 0 15px}
    .footer a{display:block;color:#bfc3be;font-size:13px;margin:6px 0}
    .footer a:hover{color:var(--orange)}
    .subscribe{display:flex;margin-top:13px}
    .subscribe input{width:100%;min-width:0;border:1px solid #555d59;background:#252a2b;color:#fff;border-radius:7px 0 0 7px;padding:10px 12px}
    .subscribe button{border:0;background:var(--orange);color:#fff;border-radius:0 7px 7px 0;padding:0 17px;font-weight:800;cursor:pointer}
    .subscribe button:hover{background:var(--orange-dark)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #3e4442;margin-top:52px;padding-top:20px;color:#969c97;font-size:12px}
    .footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}
    .footer-bottom a{display:inline;color:#bfc3be;margin:0}
    @media(max-width:1024px){
      .main-nav{gap:0;margin-left:0}
      .main-nav a{padding:8px 7px;font-size:12px}
      .nav-search{display:none}
      .hero-grid,.risk-layout,.signal-layout,.feedback-grid{gap:40px}
      .risk-index h2,.signal-layout h2,.feedback h2{font-size:34px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .topbar{min-height:68px;justify-content:space-between}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--ink);padding:10px;border:1px solid #414644;border-radius:0 0 12px 12px;flex-direction:column;align-items:stretch}
      .main-nav.is-open{display:flex}
      .main-nav a{padding:12px 14px;min-height:44px}
      .nav-tools{margin-left:auto}
      .nav-cta{display:none}
      .hero{padding:54px 0 66px}
      .hero-grid,.risk-layout,.principle-grid,.signal-layout,.myth-layout,.boundary-layout,.faq-layout,.feedback-grid{grid-template-columns:1fr}
      .hero-art{min-height:340px}
      .hero-art img{height:340px}
      .warning-panel{left:18px;bottom:20px;width:260px}
      .section{padding:64px 0}
      .risk-index{position:static}
      .risk-copy{padding:28px 24px}
      .principle-list,.privacy-grid,.boundary-points{grid-template-columns:1fr}
      .side-note{min-height:260px}
      .signal-row{grid-template-columns:70px 1fr}
      .signal-row span{text-align:left;grid-column:2}
      .boundary-layout img{height:300px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
      .footer-bottom{display:block}
      .footer-bottom>div{margin-bottom:10px}
    }
    @media(max-width:520px){
      .brand{font-size:21px}
      .hero h1{font-size:46px}
      .hero-lead{font-size:16px}
      .hero-meta{gap:18px}
      .hero-actions .button{width:100%}
      .warning-panel{position:relative;left:auto;bottom:auto;margin:-74px 16px 0;width:auto}
      .risk-index h2,.signal-layout h2,.feedback h2{font-size:31px}
      .risk-copy{padding:23px 18px}
      .principle{min-height:auto}
      .feedback-form{padding:22px 18px}
      .form-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom div{gap:8px 14px}
    }