/* roulang page: index */
:root{
      --ink:#172523;
      --ink-soft:#40514d;
      --muted:#71807b;
      --paper:#f5f6f0;
      --paper-deep:#e8ece4;
      --card:#ffffff;
      --line:#d8dfd8;
      --teal:#0d4d49;
      --teal-2:#176b62;
      --orange:#e9783d;
      --orange-dark:#c95b28;
      --cream:#fffaf1;
      --shadow:0 16px 42px rgba(18,48,42,.09);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    img{display:block;max-width:100%;height:auto}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    button,input,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(233,120,61,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.25}
    h1{font-size:clamp(38px,5vw,70px);letter-spacing:-.05em}
    h2{font-size:clamp(28px,3vw,43px);letter-spacing:-.035em}
    h3{font-size:20px}
    p{margin:0;color:var(--ink-soft)}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px}
    .section-head p{max-width:570px;font-size:16px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:var(--teal);color:#fff}
    .btn-secondary:hover{background:#092f2c;transform:translateY(-2px);color:#fff}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}
    .btn-outline:hover{border-color:var(--teal);background:#edf3ee}
    .tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden}
    .brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
    .desktop-nav{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto}
    .desktop-nav a{padding:9px 11px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}
    .nav-cta{margin-left:auto;white-space:nowrap}
    .mobile-tab{display:none}
    .hero{position:relative;overflow:hidden;padding:74px 0 76px;background:var(--teal);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.97) 12%,rgba(13,77,73,.82) 48%,rgba(13,77,73,.44)),url('/assets/images/backpic/back-1.webp') center/cover}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
    .hero h1{color:#fff;max-width:700px;margin:16px 0 22px}
    .hero-copy{max-width:650px;color:#dce9e1;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero .btn-outline{border-color:rgba(255,255,255,.42);color:#fff}
    .hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .hero-meta{display:flex;gap:28px;margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}
    .meta-number{font-size:27px;font-weight:900;color:#fff;display:block}
    .meta-label{font-size:13px;color:#b9d0c5}
    .schedule-board{background:#fff;color:var(--ink);padding:24px;border-radius:var(--radius);box-shadow:var(--shadow);max-width:470px;margin-left:auto}
    .board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}
    .board-top strong{font-size:19px}
    .live-dot{font-size:12px;color:var(--orange-dark);font-weight:800}
    .live-dot:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-right:6px}
    .match-row{display:grid;grid-template-columns:72px 1fr 78px;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line)}
    .match-date{font-size:12px;color:var(--muted);line-height:1.4}
    .match-teams{font-weight:800;font-size:14px}
    .match-teams small{display:block;font-weight:400;color:var(--muted);margin-top:2px}
    .match-link{font-size:12px;text-align:right;color:var(--teal-2);font-weight:800}
    .board-foot{margin-top:14px;padding:11px 13px;background:var(--cream);border-radius:8px;color:var(--ink-soft);font-size:12px}
    .paper-band{background:var(--cream);border-bottom:1px solid var(--line)}
    .quick-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .quick-item{padding:21px 24px;border-right:1px solid var(--line)}
    .quick-item:last-child{border:0}
    .quick-item strong{display:block;color:var(--teal);font-size:17px}
    .quick-item span{font-size:13px;color:var(--muted)}
    .feature-layout{display:grid;grid-template-columns:280px 1fr;gap:28px}
    .feature-menu{background:var(--teal);padding:25px;border-radius:var(--radius);color:#fff}
    .feature-menu h3{color:#fff;margin-bottom:18px}
    .feature-menu button{display:block;width:100%;text-align:left;padding:13px 0;color:#bfd6cb;background:none;border:0;border-bottom:1px solid rgba(255,255,255,.15)}
    .feature-menu button.active,.feature-menu button:hover{color:#fff;padding-left:8px}
    .feature-detail{display:grid;grid-template-columns:1.05fr .95fr;gap:27px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .feature-text{padding:34px}
    .feature-text h3{font-size:29px;margin:13px 0 14px}
    .feature-text p{font-size:16px}
    .feature-points{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:24px}
    .feature-points div{padding:13px;background:#f2f5ef;border-radius:9px;font-size:13px;color:var(--ink-soft)}
    .feature-image{min-height:320px;background:#dbe4da}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .scene-main{position:relative;min-height:480px;border-radius:var(--radius);overflow:hidden;background:#183f3a}
    .scene-main img{width:100%;height:100%;object-fit:cover;opacity:.75}
    .scene-caption{position:absolute;left:30px;right:30px;bottom:27px;color:#fff}
    .scene-caption h3{color:#fff;font-size:28px;margin:10px 0}
    .scene-caption p{color:#e5eee8}
    .scene-side{display:grid;gap:24px}
    .scene-card{display:grid;grid-template-columns:126px 1fr;min-height:216px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .scene-card img{width:100%;height:100%;object-fit:cover}
    .scene-card div{padding:21px}
    .scene-card h3{font-size:18px;margin:8px 0}
    .scene-card ul{padding-left:18px;margin:10px 0;color:var(--muted);font-size:13px}
    .dark-section{background:#173b37;color:#fff}
    .dark-section h2,.dark-section h3{color:#fff}
    .dark-section p{color:#c9dcd2}
    .case-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:28px}
    .case-large{background:#24554c;border-radius:var(--radius);padding:38px;min-height:360px;position:relative;overflow:hidden}
    .case-large:after{content:"专题阅读路径";position:absolute;right:-20px;bottom:25px;font-size:68px;font-weight:900;color:rgba(255,255,255,.06)}
    .case-large h3{font-size:31px;margin:16px 0}
    .case-large .case-label{color:#f1ad82}
    .case-list{display:grid;gap:14px}
    .case-small{padding:23px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:13px}
    .case-small h3{font-size:18px;margin-bottom:7px}
    .case-small p{font-size:14px}
    .story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:start}
    .story-image{border-radius:var(--radius);overflow:hidden}
    .story-image img{width:100%;height:430px;object-fit:cover}
    .story-copy p{font-size:16px;margin:16px 0}
    .story-copy .quote{border-left:4px solid var(--orange);padding:14px 20px;background:var(--cream);font-weight:700;color:var(--teal);margin-top:24px}
    .plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:310px;display:flex;flex-direction:column}
    .plan.featured{border:2px solid var(--orange);transform:translateY(-10px)}
    .plan h3{margin:11px 0 7px}
    .plan p{font-size:13px}
    .plan ul{padding-left:18px;color:var(--ink-soft);font-size:13px;flex:1}
    .plan li{margin:6px 0}
    .price-note{font-size:12px;color:var(--muted);margin-top:20px}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .news-item{display:grid;grid-template-columns:100px 1fr 100px;gap:18px;align-items:center;padding:21px 25px;border-bottom:1px solid var(--line)}
    .news-item:last-child{border:0}
    .news-date{font-size:13px;color:var(--muted)}
    .news-item h3{font-size:17px;margin-bottom:4px}
    .news-item p{font-size:13px;line-height:1.55}
    .read-more{font-size:13px;color:var(--teal-2);font-weight:800;text-align:right}
    .news-side{background:var(--teal);color:#fff;border-radius:var(--radius);padding:28px}
    .news-side h3{color:#fff;margin-bottom:13px}
    .news-side p{color:#c9dcd2;font-size:14px}
    .topic-links{margin-top:25px;display:flex;flex-wrap:wrap;gap:8px}
    .topic-links a{background:rgba(255,255,255,.1);color:#fff;padding:8px 11px;border-radius:7px;font-size:13px}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}
    .accordion{background:transparent;margin:0}
    .accordion-title{border:0;border-bottom:1px solid var(--line);padding:19px 38px 19px 0;color:var(--ink);font-weight:800;font-size:16px;background:transparent}
    .accordion-title:hover{color:var(--orange-dark);background:transparent}
    .accordion-content{border:0;background:transparent;padding:4px 30px 20px 0;color:var(--ink-soft);font-size:14px}
    .risk-box{background:#fff3e7;border:1px solid #f0c9a9;border-radius:var(--radius);padding:28px}
    .risk-box h3{color:var(--orange-dark);margin-bottom:9px}
    .risk-box p{font-size:14px}
    .subscribe{background:var(--orange);color:#fff;border-radius:var(--radius);padding:38px 43px;display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .subscribe h2{color:#fff;font-size:32px}
    .subscribe p{color:#fff0e5;margin-top:10px}
    .subscribe-form{display:flex;gap:9px}
    .subscribe-form input{min-width:0;flex:1;border:0;border-radius:9px;padding:0 15px;height:49px}
    .subscribe-form .btn{background:var(--teal);color:#fff}
    .site-footer{background:#102d2a;color:#bdd0c7;padding:60px 0 95px}
    .footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.2fr;gap:35px}
    .site-footer .brand{color:#fff;margin-bottom:15px}
    .site-footer p{color:#9db7ac;font-size:13px}
    .site-footer h4{color:#fff;font-size:15px;margin-bottom:13px}
    .footer-links{display:grid;gap:7px;font-size:13px}
    .footer-links a:hover{color:#fff;text-decoration:underline}
    .copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:20px;font-size:12px;color:#8da79d}
    .copyright a{color:#c5ddd0;margin-left:13px}
    .bottom-tab{display:none}
    @media(max-width:1024px){
      .desktop-nav a{padding-left:7px;padding-right:7px;font-size:13px}
      .hero-grid{gap:35px}.plan-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      body{font-size:15px;padding-bottom:68px}.container{width:min(100% - 28px,var(--max))}
      .section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}
      .nav-wrap{height:64px}.desktop-nav{display:none}.nav-cta{margin-left:auto}
      .hero{padding:55px 0}.hero-grid,.feature-layout,.feature-detail,.scene-grid,.case-layout,.story-grid,.news-layout,.faq-grid,.subscribe{grid-template-columns:1fr}
      .hero h1{font-size:42px}.hero-copy{font-size:16px}.schedule-board{margin:0;max-width:none}
      .hero-meta{gap:18px}.feature-menu{display:flex;gap:8px;overflow-x:auto;padding:12px}.feature-menu h3{display:none}.feature-menu button{white-space:nowrap;border:0;padding:9px 12px;background:rgba(255,255,255,.08);border-radius:7px}
      .feature-image{min-height:220px;order:-1}.scene-main{min-height:370px}.scene-card{grid-template-columns:110px 1fr}
      .case-large{min-height:300px}.plan.featured{transform:none}.quick-strip{grid-template-columns:repeat(2,1fr)}
      .quick-item{padding:16px;border-bottom:1px solid var(--line)}.news-item{grid-template-columns:75px 1fr;gap:10px;padding:17px}.read-more{grid-column:2;text-align:left}
      .subscribe{padding:29px 25px}.subscribe-form{display:grid;grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .bottom-tab{display:flex;position:fixed;z-index:30;bottom:0;left:0;right:0;height:64px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);justify-content:space-around;box-shadow:0 -8px 24px rgba(18,48,42,.08)}
      .bottom-tab a{flex:1;text-align:center;font-size:11px;color:var(--muted);padding-top:8px;position:relative}.bottom-tab a span{display:block;font-size:20px;line-height:22px}.bottom-tab a.active{color:var(--orange-dark);font-weight:800}.bottom-tab a.active:before{content:"";position:absolute;top:0;left:35%;right:35%;height:3px;background:var(--orange);border-radius:0 0 3px 3px}
    }
    @media(max-width:520px){
      h2{font-size:30px}.hero h1{font-size:37px}.hero-actions .btn{width:100%}.hero-meta{justify-content:space-between}
      .plan-grid,.quick-strip,.footer-grid{grid-template-columns:1fr}.feature-points{grid-template-columns:1fr}.scene-card{grid-template-columns:95px 1fr}.scene-card div{padding:15px}
      .copyright a{display:inline-block;margin:8px 9px 0 0}
    }

/* roulang page: category2 */
:root{
      --ink:#172523;
      --ink-soft:#40514d;
      --muted:#71807b;
      --paper:#f5f6f0;
      --paper-deep:#e8ece4;
      --card:#fff;
      --line:#d8dfd8;
      --teal:#0d4d49;
      --teal-2:#176b62;
      --orange:#e9783d;
      --orange-dark:#c95b28;
      --cream:#fffaf1;
      --shadow:0 16px 42px rgba(18,48,42,.09);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,68px)}
    h2{font-size:clamp(29px,3.4vw,45px)}
    h3{font-size:22px}
    img{display:block;max-width:100%;height:auto}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--orange-dark)}
    button,input,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head p{max-width:590px;color:var(--muted);margin-bottom:0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
    .btn:focus,.nav-wrap a:focus,.mobile-tab a:focus,.faq-question:focus,input:focus,select:focus{outline:3px solid rgba(233,120,61,.38);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:var(--teal);color:#fff}
    .btn-secondary:hover{background:#092f2c;transform:translateY(-2px);color:#fff}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}
    .btn-outline:hover{border-color:var(--teal);background:#edf3ee;color:var(--teal)}
    .tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden;display:inline-block}
    .brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
    .desktop-nav{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto}
    .desktop-nav a{padding:9px 11px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}
    .nav-cta{margin-left:auto;white-space:nowrap}
    .hero{position:relative;overflow:hidden;padding:72px 0 70px;background:var(--teal);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.98) 10%,rgba(13,77,73,.82) 53%,rgba(13,77,73,.38)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:70px;align-items:center}
    .hero h1{color:#fff;max-width:700px;margin:17px 0 21px}
    .hero-copy{max-width:650px;color:#dce9e1;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
    .hero .btn-outline{border-color:rgba(255,255,255,.42);color:#fff}
    .hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
    .hero-meta{display:flex;gap:28px;margin-top:30px;padding-top:21px;border-top:1px solid rgba(255,255,255,.2)}
    .meta-number{font-size:27px;font-weight:900;color:#fff;display:block}
    .meta-label{font-size:13px;color:#b9d0c5}
    .rule-board{background:#fff;color:var(--ink);border-radius:var(--radius);padding:26px;box-shadow:0 22px 50px rgba(0,0,0,.15)}
    .board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid var(--line)}
    .board-top strong{font-size:18px}
    .status{color:#26715e;font-size:12px;font-weight:800}
    .board-row{display:grid;grid-template-columns:48px 1fr auto;gap:13px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border-bottom:0;padding-bottom:2px}
    .board-no{color:var(--orange);font-weight:900;font-size:20px}
    .board-row small{display:block;color:var(--muted);font-size:12px}
    .board-row b{font-size:14px}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .intro-text{font-size:17px;color:var(--ink-soft)}
    .index-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .index-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:.22s}
    .index-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bdcec1}
    .index-item b{display:block;color:var(--teal);margin-bottom:5px}
    .index-item span{font-size:13px;color:var(--muted)}
    .dark-section{background:#173b37;color:#fff}
    .dark-section h2,.dark-section h3{color:#fff}
    .dark-section p{color:#c9dcd2}
    .rule-layout{display:grid;grid-template-columns:260px 1fr;gap:30px}
    .side-nav{background:#0d4d49;border-radius:var(--radius);padding:23px;align-self:start;position:sticky;top:98px}
    .side-nav h3{color:#fff;font-size:18px;margin-bottom:13px}
    .side-nav a{display:block;color:#bdd3c9;border-bottom:1px solid rgba(255,255,255,.14);padding:11px 0;font-size:14px}
    .side-nav a:hover{color:#fff;padding-left:6px}
    .rule-content{display:grid;gap:18px}
    .rule-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .rule-block h3{color:var(--teal);margin:11px 0 12px}
    .rule-block p{color:var(--ink-soft);margin-bottom:12px}
    .rule-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0 0;padding:0;list-style:none}
    .rule-list li{background:#f2f5ef;border-radius:10px;padding:14px 16px;color:var(--ink-soft);font-size:14px}
    .rule-list li strong{display:block;color:var(--teal);margin-bottom:3px}
    .image-split{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .image-split img{width:100%;height:100%;min-height:390px;object-fit:cover}
    .image-copy{padding:40px}
    .image-copy p{color:var(--ink-soft)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step{border-top:3px solid var(--orange);padding:20px 17px;background:#fff;border-radius:0 0 var(--radius-sm) var(--radius-sm);box-shadow:0 7px 22px rgba(18,48,42,.05)}
    .step-no{font-size:30px;font-weight:900;color:var(--orange)}
    .step h3{font-size:18px;margin:7px 0}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .notice{display:grid;grid-template-columns:1fr .8fr;gap:25px;align-items:center;background:var(--cream);border:1px solid #eddcc5;border-radius:var(--radius);padding:30px}
    .notice p{color:var(--ink-soft);margin:0}
    .notice strong{color:var(--orange-dark)}
    .faq-wrap{max-width:900px}
    .faq-item{border-bottom:1px solid var(--line);background:#fff}
    .faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 24px;color:var(--ink);font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:18px}
    .faq-question span:last-child{color:var(--orange);font-size:24px;line-height:1}
    .faq-answer{display:none;padding:0 24px 21px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .cta{background:var(--orange);color:#fff;border-radius:var(--radius);padding:37px 42px;display:flex;justify-content:space-between;gap:25px;align-items:center}
    .cta h2{color:#fff;font-size:32px;margin-bottom:8px}
    .cta p{margin:0;color:#fff0e8}
    .cta .btn{background:#fff;color:var(--teal)}
    .cta .btn:hover{background:#fff5e9;color:var(--teal)}
    .site-footer{background:#102f2c;color:#d8e5de;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:35px;padding-bottom:42px}
    .site-footer .brand{color:#fff;margin-bottom:17px}
    .site-footer p{color:#a9c0b5;font-size:14px;line-height:1.8}
    .site-footer h4{color:#fff;font-size:16px;margin-bottom:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#a9c0b5;font-size:14px}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;color:#91aaa0;font-size:12px;line-height:2}
    .copyright a{margin-left:15px;color:#c9dbd2}
    .mobile-tab{display:none}
    @media(max-width:1050px){
      .nav-wrap{gap:15px}.desktop-nav a{padding:8px 7px;font-size:13px}
      .hero-grid{gap:35px}.rule-layout{grid-template-columns:220px 1fr}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      body{font-size:15px;padding-bottom:70px}
      .container{width:min(var(--max),calc(100% - 28px))}
      .section{padding:62px 0}
      .section-head,.cta{display:block}
      .section-head p{margin-top:14px}
      .site-header{position:relative}
      .nav-wrap{height:66px}
      .brand{font-size:19px}
      .desktop-nav{display:none}
      .nav-cta{margin-left:auto;min-height:42px;padding:0 14px;font-size:13px}
      .hero{padding:54px 0 52px}
      .hero-grid,.intro-grid,.image-split,.notice{grid-template-columns:1fr}
      .hero h1{font-size:42px}
      .hero-copy{font-size:16px}
      .hero-meta{gap:19px}
      .rule-board{margin-top:8px}
      .rule-layout{grid-template-columns:1fr}
      .side-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px}
      .side-nav h3{display:none}
      .side-nav a{white-space:nowrap;border:0;background:rgba(255,255,255,.1);padding:8px 12px;border-radius:7px}
      .rule-list,.steps,.index-panel{grid-template-columns:1fr}
      .image-split img{min-height:250px}
      .image-copy{padding:28px 23px}
      .cta{padding:29px 24px}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright a{display:inline-block;margin-left:0;margin-right:14px}
      .mobile-tab{display:flex;position:fixed;z-index:30;bottom:0;left:0;right:0;height:66px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(18,48,42,.1);padding-bottom:env(safe-area-inset-bottom)}
      .mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:11px;gap:2px}
      .mobile-tab a span:first-child{font-size:20px;line-height:1.1}
      .mobile-tab a.active{color:var(--teal);font-weight:900;border-top:3px solid var(--orange)}
    }
    @media(max-width:520px){
      h2{font-size:30px}.hero h1{font-size:36px}
      .hero-actions .btn{width:100%}
      .rule-block{padding:23px 19px}
      .hero-meta{flex-wrap:wrap}
      .meta-number{font-size:23px}
    }

/* roulang page: category3 */
:root{
      --ink:#172523;--ink-soft:#40514d;--muted:#71807b;--paper:#f5f6f0;
      --paper-deep:#e8ece4;--card:#fff;--line:#d8dfd8;--teal:#0d4d49;
      --teal-2:#176b62;--orange:#e9783d;--orange-dark:#c95b28;
      --cream:#fffaf1;--shadow:0 16px 42px rgba(18,48,42,.09);
      --radius:18px;--radius-sm:11px;--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    h1,h2,h3,h4,p{margin-top:0} h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(36px,5vw,66px)} h2{font-size:clamp(28px,3.4vw,44px)} h3{font-size:22px}
    img{display:block;max-width:100%;height:auto} a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--orange-dark)} button,input,select{font:inherit} button{cursor:pointer}
    :focus-visible{outline:3px solid #f3a27a;outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:13px;font-weight:900;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .section{padding:86px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head p{max-width:620px;color:var(--muted);margin-bottom:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
    .btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
    .btn-secondary{background:var(--teal);color:#fff}.btn-secondary:hover{background:#092f2c;color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}.btn-outline:hover{border-color:var(--teal);background:#edf3ee}
    .tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden;display:inline-block}
    .brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
    .desktop-nav{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto}.desktop-nav a{padding:9px 11px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}.nav-cta{margin-left:auto;white-space:nowrap}
    .hero{position:relative;overflow:hidden;padding:72px 0 68px;background:var(--teal);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.97) 14%,rgba(13,77,73,.82) 52%,rgba(13,77,73,.4)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero .container{position:relative}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.hero h1{color:#fff;margin:15px 0 20px;max-width:700px}
    .hero-copy{max-width:650px;color:#dce9e1;font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero .btn-outline{border-color:rgba(255,255,255,.42);color:#fff}.hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .hero-meta{display:flex;gap:28px;margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2)}.meta-number{display:block;font-size:26px;font-weight:900;color:#fff}.meta-label{font-size:13px;color:#b9d0c5}
    .phone-panel{width:min(100%,350px);margin-left:auto;background:#f8faf5;color:var(--ink);border:7px solid rgba(255,255,255,.16);border-radius:28px;padding:20px;box-shadow:0 22px 50px rgba(0,0,0,.2);transform:rotate(2deg)}
    .phone-top{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:18px}.signal{color:var(--teal);font-weight:900}.trend-box{padding:18px;background:var(--cream);border-radius:14px;border:1px solid #eadfce}
    .trend-box strong{display:block;font-size:30px;color:var(--teal)}.mini-bars{display:flex;align-items:end;gap:8px;height:90px;margin:20px 0 12px;border-bottom:1px solid var(--line)}
    .mini-bars i{display:block;flex:1;background:var(--orange);border-radius:5px 5px 0 0;opacity:.78}.mini-bars i:nth-child(1){height:42%}.mini-bars i:nth-child(2){height:68%}.mini-bars i:nth-child(3){height:52%}.mini-bars i:nth-child(4){height:82%}.mini-bars i:nth-child(5){height:61%}
    .panel-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}.panel-row:last-child{border:0}
    .index-band{background:#fff;border-bottom:1px solid var(--line)}.index-wrap{display:flex;align-items:center;gap:20px;overflow-x:auto;padding:17px 0}.index-wrap span{font-size:13px;font-weight:800;color:var(--muted);white-space:nowrap}.index-wrap a{white-space:nowrap;color:var(--teal);font-weight:800;padding:7px 13px;border-radius:8px}.index-wrap a:hover{background:var(--paper-deep)}
    .data-layout{display:grid;grid-template-columns:285px 1fr;gap:28px}.side-menu{background:var(--teal);color:#fff;padding:26px;border-radius:var(--radius);align-self:start;position:sticky;top:98px}.side-menu h3{color:#fff;font-size:20px}.side-menu a{display:block;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.17);color:#c9ddd4}.side-menu a.active,.side-menu a:hover{color:#fff;padding-left:8px}
    .data-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}.data-main>p{color:var(--ink-soft);max-width:760px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}.metric{padding:18px;background:#f1f5ef;border-radius:12px}.metric b{font-size:25px;color:var(--teal);display:block}.metric small{color:var(--muted)}
    .timeline{border-left:2px solid #c9d8cf;margin:32px 0 0 10px;padding-left:30px}.timeline-item{position:relative;margin:0 0 28px}.timeline-item:before{content:"";position:absolute;left:-39px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--orange);border:3px solid var(--cream)}.date{font-size:13px;color:var(--orange-dark);font-weight:900}.timeline-item h3{margin:5px 0 7px}.timeline-item p{color:var(--muted);margin-bottom:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:25px}.compare-box{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.compare-box h3{color:var(--teal);font-size:19px}.compare-box ul{padding-left:20px;color:var(--ink-soft);margin-bottom:0}
    .dark-section{background:#173b37;color:#fff}.dark-section h2,.dark-section h3{color:#fff}.dark-section p{color:#c9dcd2}.reading-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.reading-card{padding:31px;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);background:rgba(255,255,255,.06)}.reading-card ul{padding-left:20px;color:#c9dcd2}.number-list{display:grid;gap:12px}.number-list div{display:flex;gap:15px;align-items:flex-start;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.15)}.number-list b{color:var(--orange);font-size:22px}
    .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature-card img{width:100%;height:235px;object-fit:cover}.feature-card div{padding:25px}.feature-card p{color:var(--muted)}
    .notice{display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:stretch}.notice-main{padding:35px;border-radius:var(--radius);background:var(--cream);border:1px solid #eadfce}.notice-main p{color:var(--ink-soft)}.notice-aside{padding:30px;background:#e6eee6;border-radius:var(--radius)}.notice-aside ul{padding-left:20px;color:var(--ink-soft)}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}.accordion{margin:0;background:transparent}.accordion-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}.accordion-title{font-weight:800;color:var(--teal);background:#fff;padding:17px 20px}.accordion-content{background:#fff;color:var(--muted);padding:17px 20px}
    .cta{background:var(--orange);color:#fff;padding:52px 0}.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{color:#fff;margin-bottom:8px}.cta p{margin:0;color:#fff1e7}.cta .btn{background:#fff;color:var(--teal)}
    .site-footer{background:#102f2c;color:#d7e5dc;padding:55px 0 24px}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.1fr;gap:35px}.site-footer .brand{color:#fff}.site-footer h4{color:#fff;font-size:16px;margin-bottom:15px}.site-footer p{color:#a9c0b5;font-size:14px}.footer-links{display:grid;gap:8px;color:#b7cec3;font-size:14px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:38px;padding-top:20px;color:#9db6aa;font-size:12px}.copyright a{margin-left:16px;color:#dbe9df}.mobile-tab{display:none}
    @media(max-width:1024px){.desktop-nav a{padding-left:7px;padding-right:7px;font-size:13px}.hero-grid{gap:35px}.data-layout{grid-template-columns:230px 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 28px))}.nav-wrap{height:66px;gap:12px}.desktop-nav{display:none}.nav-cta{margin-left:auto;padding:0 14px;min-height:40px;font-size:13px}.hero{padding:53px 0}.hero-grid,.reading-grid,.notice,.faq-grid{grid-template-columns:1fr}.hero h1{font-size:42px}.hero-copy{font-size:16px}.phone-panel{margin:8px auto 0;transform:none}.section{padding:60px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:14px}.data-layout{grid-template-columns:1fr}.side-menu{position:static}.metric-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.compare{grid-template-columns:1fr}.data-main{padding:23px}.cta-wrap{display:block}.cta .btn{margin-top:22px}.mobile-tab{position:fixed;display:flex;z-index:30;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom));justify-content:space-around;box-shadow:0 -8px 25px rgba(18,48,42,.08)}.mobile-tab a{display:flex;flex-direction:column;align-items:center;gap:1px;color:var(--muted);font-size:11px;min-width:56px}.mobile-tab a span:first-child{font-size:19px;line-height:1.2}.mobile-tab a.active{color:var(--orange-dark);font-weight:900}.site-footer{padding-bottom:92px}}
    @media(max-width:520px){h2{font-size:30px}.hero h1{font-size:36px}.hero-meta{gap:17px}.meta-number{font-size:21px}.index-wrap{margin:0 -14px;padding-left:14px;padding-right:14px}.metric{padding:14px 12px}.metric b{font-size:21px}.footer-grid{grid-template-columns:1fr;gap:24px}.copyright a{display:inline-block;margin:8px 12px 0 0}}

/* roulang page: category1 */
:root{
      --ink:#172523;--ink-soft:#40514d;--muted:#71807b;--paper:#f5f6f0;
      --paper-deep:#e8ece4;--card:#fff;--line:#d8dfd8;--teal:#0d4d49;
      --teal-2:#176b62;--orange:#e9783d;--orange-dark:#c95b28;
      --cream:#fffaf1;--shadow:0 16px 42px rgba(18,48,42,.09);
      --radius:18px;--radius-sm:11px;--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    h1,h2,h3,h4,p{margin-top:0} h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,68px)} h2{font-size:clamp(29px,3.3vw,45px)} h3{font-size:22px}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--orange-dark)} img{display:block;max-width:100%;height:auto}
    button,input,select{font:inherit} button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .section{padding:86px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head p{max-width:590px;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
    .btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:var(--teal);color:#fff}.btn-secondary:hover{background:#092f2c;transform:translateY(-2px);color:#fff}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}.btn-outline:hover{border-color:var(--teal);background:#edf3ee}
    .btn:focus,a:focus,input:focus,button:focus{outline:3px solid rgba(233,120,61,.4);outline-offset:3px}
    .tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden}.brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
    .desktop-nav{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto}.desktop-nav a{padding:9px 11px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}.nav-cta{margin-left:auto;white-space:nowrap}
    .hero{position:relative;overflow:hidden;padding:70px 0 74px;background:var(--teal);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.98) 10%,rgba(13,77,73,.83) 55%,rgba(13,77,73,.42)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero .container{position:relative}.hero-grid{display:grid;grid-template-columns:1fr .86fr;gap:70px;align-items:center}.hero h1{color:#fff;max-width:690px;margin:16px 0 22px}
    .hero-copy{max-width:650px;color:#dce9e1;font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero .btn-outline{border-color:rgba(255,255,255,.42);color:#fff}.hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .hero-meta{display:flex;gap:28px;margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}.meta-number{font-size:27px;font-weight:900;color:#fff;display:block}.meta-label{font-size:13px;color:#b9d0c5}
    .hero-panel{background:#fff;color:var(--ink);border-radius:var(--radius);padding:25px;box-shadow:0 20px 50px rgba(0,0,0,.15)}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.panel-top strong{font-size:18px}
    .match-row{display:grid;grid-template-columns:70px 1fr 72px;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line)}.match-row small{color:var(--muted)}.match-row b{font-size:14px}.match-row em{font-style:normal;text-align:right;color:var(--orange-dark);font-size:13px;font-weight:800}
    .notice{margin-top:20px;padding:12px 14px;background:var(--cream);border-left:3px solid var(--orange);font-size:13px;color:var(--ink-soft)}
    .index-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}.index-card,.source-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .index-card h2{margin:10px 0 14px}.index-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.index-links a{padding:10px 15px;border:1px solid var(--line);border-radius:9px;color:var(--teal);font-weight:800}.index-links a:hover{background:var(--teal);color:#fff}
    .source-card{background:var(--teal);color:#fff}.source-card h3{color:#fff}.source-card p{color:#cfe0d7}.source-list{list-style:none;padding:0;margin:18px 0 0}.source-list li{padding:10px 0;border-top:1px solid rgba(255,255,255,.16);font-size:14px}
    .feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:28px}.feature-image{min-height:430px;border-radius:var(--radius);overflow:hidden;background:#dbe4da}.feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-copy{padding:10px 8px 10px 28px}.feature-copy h2{margin:12px 0 18px}.feature-copy p{color:var(--ink-soft)}.bullet-list{list-style:none;padding:0;margin:25px 0}.bullet-list li{position:relative;padding:10px 0 10px 27px;border-bottom:1px solid var(--line)}.bullet-list li:before{content:"";position:absolute;left:0;top:19px;width:9px;height:9px;border-radius:50%;background:var(--orange)}
    .timeline{position:relative;display:grid;grid-template-columns:150px 1fr;gap:24px}.timeline:before{content:"";position:absolute;left:161px;top:10px;bottom:10px;width:1px;background:var(--line)}.date-column{padding-top:4px;color:var(--orange-dark);font-weight:900}.timeline-entry{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 25px;margin-bottom:16px}.timeline-entry:before{content:"";position:absolute;left:-30px;top:29px;width:11px;height:11px;border:3px solid var(--orange);background:var(--paper);border-radius:50%}.entry-meta{display:flex;gap:8px;align-items:center;margin-bottom:9px}.timeline-entry p{color:var(--muted);margin-bottom:0}.schedule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.schedule-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.schedule-card img{height:155px;width:100%;object-fit:cover}.schedule-body{padding:20px}.schedule-body h3{font-size:19px;margin:10px 0}.schedule-body p{font-size:14px;color:var(--muted);margin-bottom:14px}.schedule-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--teal);font-weight:800}
    .dark-section{background:#173b37;color:#fff}.dark-section h2,.dark-section h3{color:#fff}.dark-section p{color:#c9dcd2}.reading-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:60px;align-items:start}.reading-note{padding:28px;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);background:rgba(255,255,255,.05)}.reading-note strong{font-size:32px;color:#fff;display:block}.reading-note span{color:#c9dcd2;font-size:14px}.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.step{padding:20px;border-top:2px solid var(--orange)}.step b{color:var(--orange);font-size:14px}.step h3{margin:8px 0}.case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.case-large{position:relative;min-height:360px;border-radius:var(--radius);overflow:hidden;background:#123e39;color:#fff}.case-large img{width:100%;height:100%;object-fit:cover;opacity:.56}.case-large div{position:absolute;left:30px;right:30px;bottom:25px}.case-large h3{color:#fff}.case-small{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;margin-bottom:16px}.case-small p{color:var(--muted);font-size:14px}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}.accordion{background:transparent}.accordion-item{border:1px solid var(--line);border-bottom:0;background:#fff}.accordion-item:last-child{border-bottom:1px solid var(--line)}.accordion-title{color:var(--teal);font-weight:800;background:#fff;padding:17px 20px}.accordion-title:hover{background:#edf3ee}.accordion-content{background:#fbfcf8;color:var(--ink-soft);padding:18px 20px}.cta{background:var(--cream);border:1px solid #f1ddc8;border-radius:var(--radius);padding:38px;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta p{color:var(--muted);margin-bottom:0}.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.subscribe-form input,.subscribe-form select{border:1px solid var(--line);border-radius:9px;background:#fff;padding:12px 14px;min-height:46px;flex:1;min-width:170px;color:var(--ink)}.form-tip{font-size:12px;color:var(--muted);margin:10px 0 0}
    .site-footer{background:#102f2c;color:#d6e4dc;padding:60px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:35px}.site-footer .brand{color:#fff}.site-footer p{color:#a9c0b5;font-size:14px}.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}.footer-links{display:grid;gap:8px;color:#b7cec1;font-size:14px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:20px;color:#91aa9e;font-size:12px;line-height:2}.copyright a{margin-left:18px;color:#d9e8de}.mobile-tab{display:none}
    @media(max-width:1024px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 7px;font-size:13px}.hero-grid{gap:35px}.plan-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 30px))}.nav-wrap{height:66px;gap:15px}.desktop-nav{display:none}.nav-cta{font-size:13px;padding:0 14px;min-height:41px}.hero{padding:52px 0}.hero-grid,.index-wrap,.feature-layout,.reading-grid,.case-grid,.faq-grid{grid-template-columns:1fr;gap:28px}.hero-copy{font-size:16px}.hero-panel{max-width:560px}.feature-copy{padding:0}.timeline{grid-template-columns:85px 1fr;gap:17px}.timeline:before{left:95px}.timeline-entry:before{left:-24px}.schedule-grid{grid-template-columns:1fr 1fr}.section{padding:65px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:13px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-tab{position:fixed;display:flex;left:0;right:0;bottom:0;height:64px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);z-index:30;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom)}.mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--muted);gap:1px}.mobile-tab a span:first-child{font-size:19px;line-height:1}.mobile-tab a.active{color:var(--orange-dark);font-weight:800;border-top:3px solid var(--orange);margin-top:-1px}.site-footer{padding-bottom:85px}}
    @media(max-width:520px){h1{font-size:39px}.hero-meta{gap:16px}.meta-number{font-size:22px}.match-row{grid-template-columns:56px 1fr 58px;font-size:13px}.schedule-grid,.steps,.plan-grid{grid-template-columns:1fr}.timeline{grid-template-columns:1fr}.timeline:before,.timeline-entry:before{display:none}.date-column{padding-top:15px}.cta{padding:25px;display:block}.cta .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr}.copyright a{display:inline-block;margin-left:0;margin-right:14px}}

/* roulang page: category4 */
:root{
      --ink:#172523;
      --ink-soft:#40514d;
      --muted:#71807b;
      --paper:#f5f6f0;
      --paper-deep:#e8ece4;
      --card:#fff;
      --line:#d8dfd8;
      --teal:#0d4d49;
      --teal-2:#176b62;
      --orange:#e9783d;
      --orange-dark:#c95b28;
      --cream:#fffaf1;
      --shadow:0 16px 42px rgba(18,48,42,.09);
      --radius:18px;
      --radius-sm:11px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    img{display:block;max-width:100%;height:auto}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--orange-dark)}
    button,input,select{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4{color:var(--ink);font-weight:900;line-height:1.25;margin-top:0}
    h1{font-size:clamp(38px,5vw,68px);letter-spacing:-.055em}
    h2{font-size:clamp(28px,3.5vw,43px);letter-spacing:-.04em}
    h3{font-size:21px}
    p{color:var(--ink-soft);margin-top:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head p{max-width:580px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
    .btn:focus,.nav-cta:focus,.desktop-nav a:focus,.footer-links a:focus,.mobile-tab a:focus{outline:3px solid rgba(233,120,61,.45);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:var(--teal);color:#fff}
    .btn-secondary:hover{background:#092f2c;transform:translateY(-2px);color:#fff}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}
    .btn-outline:hover{border-color:var(--teal);background:#edf3ee;color:var(--teal)}
    .tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden;flex:none}
    .brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
    .desktop-nav{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto}
    .desktop-nav a{padding:9px 11px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}
    .nav-cta{margin-left:auto;white-space:nowrap}
    .hero{position:relative;overflow:hidden;padding:82px 0 76px;background:var(--teal);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.98) 10%,rgba(13,77,73,.82) 55%,rgba(13,77,73,.48)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
    .hero h1{color:#fff;margin:16px 0 20px;max-width:720px}
    .hero-copy{max-width:670px;color:#dce9e1;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
    .hero .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
    .hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
    .hero-meta{display:flex;gap:30px;margin-top:31px;padding-top:21px;border-top:1px solid rgba(255,255,255,.2)}
    .meta-number{font-size:27px;font-weight:900;color:#fff;display:block}
    .meta-label{font-size:13px;color:#b9d0c5}
    .hero-panel{background:#fff;color:var(--ink);border-radius:var(--radius);padding:26px;box-shadow:0 20px 55px rgba(0,0,0,.17)}
    .hero-panel h3{margin:10px 0 17px}
    .panel-line{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:14px 0;color:var(--ink-soft);font-size:14px}
    .panel-line strong{color:var(--teal);text-align:right}
    .progress{height:8px;border-radius:20px;background:#e6ebe4;overflow:hidden;margin:8px 0 18px}
    .progress span{display:block;width:72%;height:100%;background:var(--orange)}
    .hero-panel small{color:var(--muted)}
    .index-strip{background:var(--card);border-bottom:1px solid var(--line)}
    .index-inner{display:flex;align-items:center;gap:16px;overflow:auto;padding:17px 0;white-space:nowrap}
    .index-inner strong{color:var(--teal);font-size:14px}
    .index-inner a{font-size:14px;color:var(--muted);padding:6px 12px;border-left:1px solid var(--line)}
    .index-inner a:hover{color:var(--orange-dark)}
    .topic-lead{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:stretch}
    .lead-image{min-height:460px;border-radius:var(--radius);overflow:hidden;position:relative;background:#183f3a}
    .lead-image img{width:100%;height:100%;object-fit:cover}
    .lead-image figcaption{position:absolute;bottom:0;left:0;right:0;padding:48px 25px 22px;color:#fff;background:linear-gradient(transparent,rgba(9,34,31,.85));font-size:14px}
    .lead-copy{padding:10px 10px 10px 28px}
    .lead-copy h2{margin:13px 0 16px}
    .lead-copy p{font-size:17px;line-height:1.9}
    .reading-list{margin:25px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .reading-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
    .reading-list b{color:var(--orange-dark)}
    .reading-list span{color:var(--ink-soft);font-weight:700}
    .three-focus{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .focus-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .focus-card.large{grid-row:span 2}
    .focus-card img{width:100%;height:205px;object-fit:cover}
    .focus-card.large img{height:310px}
    .focus-body{padding:23px}
    .focus-body h3{margin:10px 0}
    .focus-body p{font-size:14px}
    .data-band{background:var(--cream);border-top:1px solid #f0e5d2;border-bottom:1px solid #f0e5d2}
    .data-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:center}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
    .metric strong{display:block;color:var(--teal);font-size:27px;line-height:1.2}
    .metric span{font-size:13px;color:var(--muted)}
    .timeline{border-left:2px solid #bdd0c4;padding-left:27px}
    .timeline-item{position:relative;margin-bottom:24px}
    .timeline-item:last-child{margin-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-35px;top:7px;width:13px;height:13px;border:3px solid var(--orange);background:var(--cream);border-radius:50%}
    .timeline-item time{color:var(--orange-dark);font-weight:900;font-size:13px}
    .timeline-item h3{margin:5px 0 6px}
    .timeline-item p{font-size:14px;margin-bottom:0}
    .method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px}
    .method-aside{padding:32px;background:var(--teal);border-radius:var(--radius);color:#fff}
    .method-aside h2,.method-aside h3{color:#fff}
    .method-aside p{color:#c9dcd2}
    .method-aside ul{padding-left:20px;color:#dce9e1}
    .method-content{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .method-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
    .method-card .num{color:var(--orange);font-size:25px;font-weight:900}
    .method-card h3{font-size:18px;margin:4px 0 7px}
    .method-card p{font-size:14px;margin:0}
    .notice{display:grid;grid-template-columns:1fr 1fr;gap:28px;background:#e9efe8;border-radius:var(--radius);padding:33px 38px}
    .notice h2{font-size:29px;margin-bottom:12px}
    .notice ul{margin:0;padding-left:20px;color:var(--ink-soft)}
    .faq{max-width:950px}
    .accordion{background:transparent;margin:0}
    .accordion-title{border:0;border-bottom:1px solid var(--line);padding:21px 35px 21px 0;color:var(--ink);font-weight:800;background:transparent}
    .accordion-title:hover{background:transparent;color:var(--orange-dark)}
    .accordion-content{border:0;background:transparent;padding:0 35px 20px 0;color:var(--ink-soft)}
    .cta{padding:66px 0;background:var(--teal);color:#fff}
    .cta-grid{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;margin-bottom:12px}
    .cta p{color:#c9dcd2;max-width:650px;margin-bottom:0}
    .site-footer{background:#102e2b;color:#d4e1da;padding:55px 0 25px}
    .site-footer .brand{color:#fff}
    .site-footer p{color:#a9c0b5;font-size:14px;max-width:300px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.15)}
    .site-footer h4{color:#fff;font-size:15px;margin-bottom:15px}
    .footer-links{display:grid;gap:8px;font-size:14px;color:#a9c0b5}
    .footer-links a:hover{color:#fff}
    .copyright{padding-top:21px;color:#94aaa1;font-size:12px;line-height:2}
    .copyright a{margin-left:18px;color:#c8d9d0}
    .mobile-tab{display:none}
    @media(max-width:1024px){
      .desktop-nav{gap:0}
      .desktop-nav a{font-size:13px;padding-left:7px;padding-right:7px}
      .hero-grid,.topic-lead,.data-layout,.method-grid{grid-template-columns:1fr 1fr;gap:30px}
      .three-focus{grid-template-columns:1fr 1fr}
      .focus-card.large{grid-row:auto;grid-column:span 2}
      .focus-card.large img{height:250px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      body{font-size:15px;padding-bottom:72px}
      .container{width:min(var(--max),calc(100% - 30px))}
      .nav-wrap{height:65px;gap:12px}
      .brand{font-size:18px}
      .brand-mark{width:30px;height:30px}
      .desktop-nav{display:none}
      .nav-cta{margin-left:auto;min-height:40px;padding:0 13px;font-size:13px}
      .hero{padding:57px 0 53px}
      .hero-grid,.topic-lead,.data-layout,.method-grid{grid-template-columns:1fr}
      .hero h1{font-size:42px}
      .hero-copy{font-size:16px}
      .hero-panel{margin-top:5px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:13px}
      .lead-copy{padding:4px 0}
      .lead-image{min-height:310px}
      .three-focus{grid-template-columns:1fr}
      .focus-card.large{grid-column:auto}
      .focus-card.large img,.focus-card img{height:210px}
      .notice{grid-template-columns:1fr;padding:27px 24px;gap:10px}
      .cta-grid{display:block}
      .cta .btn{margin-top:23px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .mobile-tab{position:fixed;display:flex;z-index:30;bottom:0;left:0;right:0;height:68px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(18,48,42,.08);padding-bottom:env(safe-area-inset-bottom)}
      .mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:11px;gap:2px}
      .mobile-tab a span:first-child{font-size:20px;line-height:1}
      .mobile-tab a.active{color:var(--orange-dark);font-weight:900;border-top:3px solid var(--orange)}
    }
    @media(max-width:520px){
      h2{font-size:30px}
      .hero h1{font-size:36px}
      .hero-meta{gap:18px}
      .hero-actions .btn{width:100%}
      .metric-grid,.method-content{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright a{display:inline-block;margin-left:0;margin-right:15px}
    }

/* roulang page: category5 */
:root{
 --ink:#172523;--ink-soft:#40514d;--muted:#71807b;--paper:#f5f6f0;
 --paper-deep:#e8ece4;--card:#fff;--line:#d8dfd8;--teal:#0d4d49;
 --teal-2:#176b62;--orange:#e9783d;--orange-dark:#c95b28;--cream:#fffaf1;
 --shadow:0 16px 42px rgba(18,48,42,.09);--radius:18px;--radius-sm:11px;--max:1220px
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:clamp(36px,5vw,66px);line-height:1.16;letter-spacing:-.055em}
h2{font-size:clamp(28px,3.4vw,43px);line-height:1.25;letter-spacing:-.04em}
h3{font-size:22px;line-height:1.35}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--orange-dark)}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-head p{max-width:620px;color:var(--ink-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
.btn:focus,input:focus,button:focus,a:focus{outline:3px solid rgba(233,120,61,.42);outline-offset:3px}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
.btn-secondary{background:var(--teal);color:#fff}
.btn-secondary:hover{background:#092f2c;transform:translateY(-2px);color:#fff}
.btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}
.btn-outline:hover{border-color:var(--teal);background:#edf3ee}
.tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden}
.brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
.desktop-nav{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto}
.desktop-nav a{padding:9px 11px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
.desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}
.nav-cta{margin-left:auto;white-space:nowrap}
.hero{position:relative;overflow:hidden;padding:76px 0 68px;background:var(--teal);color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.98) 10%,rgba(13,77,73,.85) 54%,rgba(13,77,73,.5)),url('/assets/images/backpic/back-2.webp') center/cover}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{color:#fff;max-width:700px;margin:16px 0 22px}
.hero-copy{max-width:650px;color:#dce9e1;font-size:18px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero .btn-outline{border-color:rgba(255,255,255,.42);color:#fff}
.hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.hero-panel{background:rgba(255,250,241,.97);color:var(--ink);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.hero-panel h3{color:var(--teal);margin:13px 0 12px}
.hero-panel img{height:175px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:20px}
.panel-line{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
.panel-line strong{color:var(--teal)}
.notice{padding:17px 20px;background:#fff5e9;border-left:4px solid var(--orange);border-radius:8px;color:#68432f}
.index-layout{display:grid;grid-template-columns:270px 1fr;gap:30px}
.side-index{background:var(--teal);color:#fff;padding:25px;border-radius:var(--radius);height:max-content;position:sticky;top:100px}
.side-index h3{color:#fff;font-size:20px}
.side-index a{display:block;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.17);color:#c4d9cf}
.side-index a:hover,.side-index a.active{color:#fff;padding-left:8px}
.content-stack{display:grid;gap:17px}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 24px rgba(18,48,42,.045)}
.info-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.info-card h3{color:var(--teal);margin:9px 0 9px}
.info-card p{color:var(--ink-soft);margin-bottom:0}
.risk-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.risk-image{min-height:390px;border-radius:var(--radius);overflow:hidden;background:var(--teal)}
.risk-image img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding:14px 16px 14px 45px;border:1px solid var(--line);border-radius:10px;background:#fff}
.check-list li:before{content:"✓";position:absolute;left:16px;top:12px;color:var(--orange);font-weight:900;font-size:20px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{background:#fff;border-top:3px solid var(--orange);padding:22px;border-radius:0 0 var(--radius-sm) var(--radius-sm);border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-num{color:var(--orange);font-size:28px;font-weight:900}
.step h3{font-size:19px;margin:8px 0}
.step p{color:var(--muted);font-size:14px;margin:0}
.dark-section{background:#173b37;color:#fff}
.dark-section h2,.dark-section h3{color:#fff}
.dark-section p{color:#c9dcd2}
.boundary-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.boundary-box{padding:30px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);background:rgba(255,255,255,.05)}
.boundary-box ul{padding-left:20px;color:#c9dcd2}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare>div{padding:23px;border-radius:var(--radius-sm);background:#f0f4ed;border:1px solid var(--line)}
.compare>div:last-child{background:#fff5e9;border-color:#f0c5a8}
.compare strong{display:block;color:var(--teal);margin-bottom:7px}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
.accordion{background:transparent;margin:0}
.accordion-title{border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font-weight:800;padding:20px 34px 20px 0}
.accordion-title:hover{background:transparent;color:var(--teal)}
.accordion-content{border:0;background:transparent;color:var(--ink-soft);padding:0 34px 20px 0}
.cta{background:var(--cream);border:1px solid #f0dfc6;border-radius:var(--radius);padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta p{max-width:670px;color:var(--ink-soft);margin-bottom:0}
.site-footer{background:#102e2b;color:#c9dcd2;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:35px}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer h4{color:#fff;margin:0 0 13px}
.site-footer p{font-size:14px;color:#a9c2b7}
.footer-links{display:grid;gap:7px;font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:20px;font-size:12px;color:#94aea3}
.copyright a{margin-left:16px;color:#dce9e1}
.mobile-tab{display:none}
@media(max-width:1024px){
 .desktop-nav a{padding:8px 7px;font-size:13px}.nav-wrap{gap:16px}
 .hero-grid,.risk-grid,.boundary-grid{grid-template-columns:1fr 1fr;gap:30px}
 .steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 body{font-size:15px;padding-bottom:70px}.container{width:min(100% - 28px,var(--max))}
 .nav-wrap{height:66px}.desktop-nav{display:none}.nav-cta{margin-left:auto;min-height:40px;padding:0 14px;font-size:13px}
 .hero{padding:55px 0}.hero-grid,.risk-grid,.boundary-grid,.faq-grid,.index-layout{grid-template-columns:1fr}
 .hero-copy{font-size:16px}.hero-panel{padding:21px}.hero-panel img{height:150px}
 .section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}
 .side-index{position:static;display:flex;gap:8px;overflow-x:auto;padding:14px;border-radius:12px}
 .side-index h3{display:none}.side-index a{border:0;white-space:nowrap;padding:8px 11px;background:rgba(255,255,255,.08);border-radius:7px;font-size:13px}
 .risk-image{min-height:250px}.compare{grid-template-columns:1fr}.cta{display:block;padding:28px}.cta .btn{margin-top:20px}
 .mobile-tab{position:fixed;display:flex;z-index:30;bottom:0;left:0;right:0;height:64px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);justify-content:space-around;padding-bottom:env(safe-area-inset-bottom)}
 .mobile-tab a{flex:1;text-align:center;font-size:11px;color:var(--muted);padding-top:8px}.mobile-tab a span{display:block;font-size:20px;line-height:22px}.mobile-tab a.active{color:var(--teal);font-weight:800;border-top:3px solid var(--orange);padding-top:5px}
}
@media(max-width:520px){
 h1{font-size:35px}h2{font-size:29px}.hero-actions .btn{width:100%}.steps{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:22px}.copyright{line-height:2.1}.copyright a{margin-left:0;margin-right:12px}
}

/* roulang page: category6 */
:root{
      --ink:#172523;--ink-soft:#40514d;--muted:#71807b;--paper:#f5f6f0;
      --paper-deep:#e8ece4;--card:#fff;--line:#d8dfd8;--teal:#0d4d49;
      --teal-2:#176b62;--orange:#e9783d;--orange-dark:#c95b28;
      --cream:#fffaf1;--shadow:0 16px 42px rgba(18,48,42,.09);
      --radius:18px;--radius-sm:11px;--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    h1,h2,h3,h4,p{margin-top:0} h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(36px,5vw,64px)} h2{font-size:clamp(28px,3.2vw,43px)} h3{font-size:22px}
    img{display:block;max-width:100%;height:auto} a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--orange-dark)} button,input,select{font:inherit} button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .section{padding:82px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head p{max-width:600px;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.22s ease}
    .btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);color:#fff}
    .btn-secondary{background:var(--teal);color:#fff}.btn-secondary:hover{background:#092f2c;transform:translateY(-2px);color:#fff}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--teal)}.btn-outline:hover{border-color:var(--teal);background:#edf3ee}
    :focus-visible{outline:3px solid #f3ad7f;outline-offset:3px}
    .tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:#edf2eb;color:var(--teal-2);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:21px;font-weight:900;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);position:relative;overflow:hidden}.brand-mark:after{content:"";position:absolute;width:25px;height:5px;background:var(--orange);right:-5px;bottom:8px;transform:rotate(-35deg)}
    .desktop-nav{display:flex;align-items:center;gap:3px;flex:1;overflow-x:auto}.desktop-nav a{padding:9px 10px;border-radius:8px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{background:#e5ebe4;color:var(--teal);font-weight:800}.nav-cta{margin-left:auto;white-space:nowrap}
    .hero{position:relative;overflow:hidden;padding:70px 0 76px;background:var(--teal);color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,77,73,.98) 10%,rgba(13,77,73,.82) 55%,rgba(13,77,73,.45)),url('/assets/images/backpic/back-3.webp') center/cover}
    .hero .container{position:relative}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.hero h1{color:#fff;margin:14px 0 20px}.hero-copy{max-width:650px;color:#dce9e1;font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}.hero .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .hero-panel{background:#fff;color:var(--ink);border-radius:var(--radius);padding:25px;box-shadow:0 20px 45px rgba(0,0,0,.18);transform:rotate(1deg)}.hero-panel img{width:100%;height:180px;object-fit:cover;border-radius:12px;margin-bottom:18px}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.panel-list{border-top:1px solid var(--line)}.panel-list div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.panel-list span{color:var(--muted)}
    .intro-band{background:var(--cream);border-bottom:1px solid var(--line);padding:30px 0}.intro-grid{display:grid;grid-template-columns:1fr 2fr;gap:45px;align-items:center}.intro-grid p{margin:0;color:var(--ink-soft)}
    .filter-shell{display:grid;grid-template-columns:245px 1fr;gap:28px;align-items:start}.filter-box{background:var(--teal);border-radius:var(--radius);padding:25px;color:#fff;position:sticky;top:102px}.filter-box h3{color:#fff;font-size:20px}.filter-box p{color:#c9dcd2;font-size:14px}.filter-list{list-style:none;padding:0;margin:18px 0 0}.filter-list li{border-bottom:1px solid rgba(255,255,255,.15)}.filter-list a{display:block;padding:12px 0;color:#c9dcd2}.filter-list a:hover,.filter-list a.active{color:#fff;padding-left:8px}
    .archive-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.archive-head h2{margin:0;font-size:29px}.search-box{display:flex;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.search-box input{border:0;box-shadow:none;margin:0;width:190px;padding:10px 13px}.search-box button{border:0;background:var(--orange);color:#fff;padding:0 16px}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.tag-row a{border:1px solid var(--line);background:#fff;color:var(--ink-soft);padding:6px 12px;border-radius:20px;font-size:13px}.tag-row a:hover,.tag-row a.active{background:var(--teal);border-color:var(--teal);color:#fff}
    .archive-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.archive-item{display:grid;grid-template-columns:150px 1fr 105px;gap:22px;padding:22px;border-bottom:1px solid var(--line);align-items:center}.archive-item:last-child{border-bottom:0}.archive-item img{width:150px;height:105px;object-fit:cover;border-radius:10px}.archive-item h3{font-size:20px;margin:9px 0 7px}.archive-item p{font-size:14px;color:var(--muted);margin:0}.date{font-size:13px;color:var(--muted);white-space:nowrap}.read-link{font-size:14px;font-weight:800;color:var(--teal);white-space:nowrap}.read-link:after{content:" →";color:var(--orange)}
    .timeline-section{background:#e8ece4}.timeline-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.timeline{border-left:2px solid #b9c9bf;padding-left:28px}.timeline-entry{position:relative;padding:0 0 27px}.timeline-entry:before{content:"";position:absolute;left:-36px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--orange);border:3px solid var(--paper-deep)}.timeline-entry strong{color:var(--orange-dark);font-size:13px}.timeline-entry h3{font-size:20px;margin:6px 0}.timeline-entry p{color:var(--ink-soft);font-size:14px;margin:0}
    .feature-story{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}.feature-story img{width:100%;height:365px;object-fit:cover;border-radius:var(--radius)}.feature-story p{color:var(--ink-soft)}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{padding:10px 0 10px 28px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--teal);color:#fff;border-radius:var(--radius);overflow:hidden}.data-cell{padding:25px;border-right:1px solid rgba(255,255,255,.16)}.data-cell:last-child{border:0}.data-cell strong{display:block;font-size:30px;color:#fff}.data-cell span{font-size:13px;color:#c9dcd2}
    .notice{background:var(--cream);border:1px solid #eadcc8;border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:80px 1fr;gap:20px}.notice-mark{width:58px;height:58px;background:var(--orange);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:25px}.notice h2{font-size:25px;margin-bottom:8px}.notice p{color:var(--ink-soft);margin:0}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}.accordion{background:transparent;margin:0}.accordion-title{border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font-weight:800;padding:19px 30px 19px 0}.accordion-title:hover{background:transparent;color:var(--teal)}.accordion-content{border:0;background:transparent;color:var(--muted);padding:0 20px 18px 0}
    .cta{background:var(--teal);color:#fff;border-radius:var(--radius);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{color:#fff;margin-bottom:10px}.cta p{color:#c9dcd2;margin:0;max-width:680px}
    .site-footer{background:#122f2c;color:#d4e2da;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px}.site-footer .brand{color:#fff}.site-footer p{color:#9fb8ad;font-size:14px}.site-footer h4{color:#fff;font-size:16px;margin-bottom:15px}.footer-links{display:grid;gap:8px;color:#a9c0b5;font-size:14px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:19px;color:#91aaa0;font-size:12px}.copyright a{margin-left:18px;color:#c6d9cf}.mobile-tab{display:none}
    @media(max-width:1050px){.desktop-nav{gap:0}.desktop-nav a{font-size:13px;padding-left:7px;padding-right:7px}.hero-grid,.feature-story{gap:30px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:780px){.container{width:min(var(--max),calc(100% - 30px))}.nav-wrap{height:66px;gap:12px}.desktop-nav{display:none}.nav-cta{font-size:13px;min-height:40px;padding:0 13px}.hero{padding:52px 0}.hero-grid,.intro-grid,.filter-shell,.timeline-grid,.faq-grid,.feature-story{grid-template-columns:1fr}.hero-panel{transform:none}.filter-box{position:static}.section{padding:60px 0}.section-head,.archive-head{display:block}.section-head p{margin-top:14px}.search-box{margin-top:16px;width:100%}.search-box input{width:100%}.archive-item{grid-template-columns:92px 1fr;gap:14px;padding:17px}.archive-item img{width:92px;height:82px;grid-row:span 2}.archive-item .read-link{grid-column:2}.data-strip{grid-template-columns:repeat(2,1fr)}.data-cell:nth-child(2){border-right:0}.data-cell:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.16)}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}.mobile-tab{display:flex;position:fixed;z-index:30;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);justify-content:space-around;padding:8px 5px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -8px 22px rgba(18,48,42,.08)}.mobile-tab a{font-size:11px;color:var(--muted);text-align:center;padding:3px 8px}.mobile-tab a span{display:block;font-size:20px;line-height:1.2}.mobile-tab a.active{color:var(--teal);font-weight:800}.site-footer{padding-bottom:92px}}
    @media(max-width:520px){h1{font-size:36px}h2{font-size:30px}.hero-copy{font-size:16px}.hero-meta{gap:17px}.meta-number{font-size:22px}.footer-grid{grid-template-columns:1fr;gap:25px}.feature-story img{height:250px}.notice{grid-template-columns:1fr;padding:22px}.archive-item h3{font-size:17px}.archive-item p{font-size:13px}.archive-item .date{font-size:12px}}