/* roulang page: index */
:root{
      --ink:#171b2e;
      --muted:#70758a;
      --cream:#f8f6f1;
      --paper:#fffdf9;
      --red:#c94c42;
      --red-dark:#96352f;
      --gold:#d5a85c;
      --navy:#202943;
      --line:#e8e3d8;
      --soft:#f1ece4;
      --radius:22px;
      --shadow:0 18px 55px rgba(35,35,52,.10);
      --shadow-sm:0 8px 24px rgba(35,35,52,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
    .container{max-width:1180px;margin:0 auto;padding:0 24px}
    .site-header{background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}
    .masthead{height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:18px;min-width:max-content}
    .brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
    .brand-rule{height:34px;width:1px;background:var(--gold)}
    .brand-note{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:1.45}
    .main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
    .main-nav a{font-size:13px;color:#64697b;padding:8px 11px;border-radius:30px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
    .nav-button{color:#fff!important;background:var(--red)!important;padding:10px 18px!important}
    .nav-button:hover{background:var(--red-dark)!important;transform:translateY(-2px)}
    .nav-toggle{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .hero{min-height:650px;padding:72px 0 84px;background-image:linear-gradient(90deg,rgba(20,28,52,.92) 0%,rgba(29,36,61,.79) 48%,rgba(29,36,61,.4) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:#fff}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--gold);font-weight:700}
    h1,h2,h3{font-family:Georgia,"Songti SC","STSong",serif;line-height:1.25;margin:0 0 18px;color:var(--navy)}
    .hero h1{font-size:clamp(44px,6vw,76px);color:#fff;letter-spacing:2px;margin-top:18px}
    .hero-copy{max-width:650px;color:#e9e8e9;font-size:18px;line-height:2;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
    .button{border:0;border-radius:999px;padding:13px 24px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.25s ease}
    .button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.28)}
    .button.primary:hover{background:#e15f53;transform:translateY(-2px)}
    .button.outline{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
    .button.outline:hover{background:#fff;color:var(--navy)}
    .hero-stats{display:flex;gap:28px;flex-wrap:wrap}
    .hero-stats strong{display:block;font-size:24px;color:#fff}
    .hero-stats span{display:block;font-size:12px;color:#c9cbd4}
    .choice-panel{background:rgba(255,253,249,.98);color:var(--ink);border-radius:28px;padding:26px;box-shadow:var(--shadow)}
    .choice-panel h3{font-size:25px;margin-bottom:8px}
    .choice-panel>p{font-size:13px;color:var(--muted);margin-bottom:20px}
    .choice-card{border:1px solid var(--line);border-radius:18px;padding:18px;margin:10px 0;position:relative;background:#fff}
    .choice-card.recommended{border:2px solid var(--red);box-shadow:0 10px 25px rgba(201,76,66,.12)}
    .choice-card.recommended:before{content:"推荐选择";position:absolute;right:14px;top:-12px;background:var(--red);color:#fff;border-radius:20px;padding:2px 10px;font-size:11px}
    .choice-card h4{margin:0 0 5px;font-size:18px;color:var(--navy)}
    .choice-card p{margin:0;color:var(--muted);font-size:13px}
    .choice-card .mini-link{display:inline-block;color:var(--red-dark);font-size:13px;font-weight:700;margin-top:9px}
    .section{padding:92px 0}
    .section.alt{background:var(--paper)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);margin-top:10px}
    .section-head p{color:var(--muted);max-width:520px;margin:0}
    .ticker{background:var(--red);color:#fff;padding:13px 0;font-size:14px}
    .ticker-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}
    .ticker strong{letter-spacing:1px}
    .countdown{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:2px}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:30px}
    .news-list,.recommend-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:12px;color:var(--red);font-weight:800}
    .news-item h3{font-family:inherit;font-size:17px;margin:0 0 4px}
    .news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .read-more{font-size:12px;color:var(--red-dark);font-weight:800;white-space:nowrap}
    .recommend-box{background:var(--navy);color:#fff;overflow:hidden}
    .recommend-box img{border-radius:16px;margin-bottom:20px;width:100%;height:160px;object-fit:cover}
    .recommend-box h3{color:#fff;font-size:25px}
    .recommend-box p{color:#c9ceda;font-size:14px}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:250px;transition:.25s}
    .service-card:hover,.quote-card:hover,.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon{width:45px;height:45px;border-radius:14px;background:#f7e4df;color:var(--red-dark);display:grid;place-items:center;font-size:21px;margin-bottom:20px}
    .service-card h3{font-size:23px}
    .service-card p{color:var(--muted);font-size:14px;margin:0}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .visual-card{position:relative}
    .visual-card img{width:100%;height:420px;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
    .image-note{position:absolute;bottom:22px;left:22px;right:22px;background:rgba(32,41,67,.9);color:#fff;padding:17px 20px;border-radius:16px;font-size:14px}
    .body-copy{color:var(--muted);font-size:16px;line-height:2}
    .check-list{list-style:none;margin:24px 0;padding:0}
    .check-list li{padding:11px 0 11px 30px;border-bottom:1px solid var(--line);position:relative;color:#4d5365}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scene{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;gap:17px;transition:.25s}
    .scene .num{font-size:28px;color:var(--gold);font-family:Georgia,serif}
    .scene h3{font-family:inherit;font-size:18px;margin:0 0 5px}
    .scene p{font-size:13px;color:var(--muted);margin:0}
    .compare{background:var(--navy);color:#fff;border-radius:30px;padding:36px}
    .compare h2{color:#fff}
    .compare p{color:#cbd0dc}
    .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
    .compare-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:21px}
    .compare-item.featured{background:#fff;color:var(--ink);border-color:var(--gold);transform:translateY(-12px)}
    .compare-item h3{font-family:inherit;color:inherit;font-size:18px}
    .compare-item p{font-size:13px;color:inherit;opacity:.75}
    .step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;position:relative}
    .step{position:relative;padding-top:15px;border-top:2px solid var(--gold)}
    .step span{color:var(--red);font-weight:800;font-size:13px}
    .step h3{font-family:inherit;font-size:19px;margin:9px 0}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .app-band{background:#efe5d8}
    .app-band .split{grid-template-columns:1.15fr .85fr}
    .device-stack{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:end}
    .device-stack img{height:220px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-sm)}
    .device-stack img:first-child{height:300px}
    .security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .security-item{text-align:center;padding:22px 15px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .security-item strong{display:block;margin:10px 0 5px;font-size:16px}
    .security-item span{font-size:12px;color:var(--muted)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .milestone{padding:25px 20px 10px;border-right:1px solid var(--line)}
    .milestone:last-child{border-right:0}
    .milestone b{color:var(--red);font-size:14px}
    .milestone h3{font-family:inherit;font-size:18px;margin:8px 0}
    .milestone p{color:var(--muted);font-size:13px;margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .quote-card{background:#fff;border-radius:22px;padding:26px;border:1px solid var(--line);transition:.25s}
    .stars{color:var(--gold);letter-spacing:3px}
    .quote-card p{color:#52576a;font-size:14px;line-height:1.9}
    .quote-card footer{font-size:13px;font-weight:800;color:var(--navy)}
    .faq-wrap{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);padding:21px 0}
    .faq-question{display:flex;justify-content:space-between;gap:20px;font-weight:800;cursor:pointer;color:var(--navy)}
    .faq-question span:last-child{color:var(--red);font-size:23px}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:13px 34px 0 0}
    .faq-item.open .faq-answer{display:block}
    .about-box{background:#fff;border:1px solid var(--line);border-radius:28px;padding:38px}
    .about-box p{color:#555b6e;line-height:2;font-size:16px;margin:0}
    .cta{background:linear-gradient(120deg,#962f2e,#c94c42);color:#fff;text-align:center;padding:78px 20px}
    .cta h2{color:#fff;font-size:clamp(32px,4vw,50px)}
    .cta p{max-width:650px;margin:0 auto 25px;color:#f9deda}
    .site-footer{background:#171c2d;color:#b9bfcc;padding:46px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
    .site-footer .brand-name{color:#fff;font-size:29px}
    .site-footer h3{color:#fff;font-family:inherit;font-size:15px}
    .site-footer p,.site-footer a{font-size:13px;color:#aeb5c3}
    .site-footer a:hover{color:#fff}
    .footer-links{display:flex;flex-direction:column;gap:7px}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#858d9f}
    .floating-cta{position:fixed;right:22px;bottom:22px;background:var(--red);color:#fff;padding:12px 19px;border-radius:999px;box-shadow:0 12px 30px rgba(92,26,26,.3);font-size:13px;font-weight:800;z-index:40}
    .floating-cta:hover{background:var(--red-dark);transform:translateY(-3px)}
    @media(max-width:1024px){
      .main-nav{gap:0}.main-nav a{padding:7px 7px;font-size:12px}
      .hero-grid,.split{gap:35px}.section{padding:70px 0}
    }
    @media(max-width:768px){
      .masthead{height:72px}.brand-name{font-size:27px}.brand-note{display:none}.brand-rule{height:26px}
      .nav-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fffdf9;padding:12px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .main-nav.show{display:flex}.main-nav a{padding:11px 14px}
      .hero{padding:60px 0}.hero-grid,.split,.news-layout{grid-template-columns:1fr}.hero h1{font-size:49px}.hero-copy{font-size:16px}
      .service-grid,.quote-grid{grid-template-columns:1fr 1fr}.compare-grid{grid-template-columns:1fr}.compare-item.featured{transform:none}
      .step-line,.timeline{grid-template-columns:1fr 1fr}.security-grid{grid-template-columns:1fr 1fr}
      .app-band .split{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{padding:0 17px}.hero h1{font-size:42px}.hero-stats{gap:16px}.section{padding:55px 0}
      .section-head{display:block}.section-head p{margin-top:12px}.service-grid,.quote-grid,.scene-grid,.step-line,.timeline{grid-template-columns:1fr}
      .news-item{grid-template-columns:70px 1fr}.news-item .read-more{grid-column:2}
      .security-grid{grid-template-columns:1fr 1fr}.visual-card img{height:300px}.about-box{padding:25px}
      .footer-grid{grid-template-columns:1fr}.floating-cta{right:14px;bottom:14px}
    }

/* roulang page: category1 */
:root{
      --ink:#171b2e;--muted:#70758a;--cream:#f8f6f1;--paper:#fffdf9;
      --red:#c94c42;--red-dark:#96352f;--gold:#d5a85c;--navy:#202943;
      --line:#e8e3d8;--soft:#f1ece4;--radius:22px;
      --shadow:0 18px 55px rgba(35,35,52,.10);--shadow-sm:0 8px 24px rgba(35,35,52,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button:focus,a:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 24px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
    .masthead{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:17px;min-width:max-content}
    .brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
    .brand-rule{height:34px;width:1px;background:var(--gold)}
    .brand-note{font-size:12px;line-height:1.4;letter-spacing:1px;color:var(--muted)}
    .main-nav{display:flex;align-items:center;justify-content:flex-end;gap:3px;flex-wrap:wrap}
    .main-nav a{padding:8px 11px;border-radius:30px;color:#64697b;font-size:13px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
    .main-nav .nav-button{padding:10px 18px;color:#fff;background:var(--red)}
    .main-nav .nav-button:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px)}
    .nav-toggle{display:none;border:0;background:none;color:var(--navy);font-size:25px}
    .hero{padding:82px 0 92px;color:#fff;background-image:linear-gradient(90deg,rgba(20,28,52,.94),rgba(29,36,61,.78),rgba(29,36,61,.44)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:62px;align-items:center}
    .eyebrow,.section-kicker{color:var(--gold);font-size:12px;font-weight:700;letter-spacing:3px}
    h1,h2,h3{font-family:Georgia,"Songti SC","Noto Serif SC",serif;line-height:1.3;margin-top:0}
    h1{font-size:clamp(43px,6vw,72px);letter-spacing:2px;margin:18px 0}
    .hero-copy{max-width:650px;color:#e9e8e9;font-size:18px;line-height:2;margin:0 0 28px}
    .hero-actions,.button-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 24px;font-weight:700;cursor:pointer;transition:.25s ease}
    .button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.28)}
    .button.primary:hover{background:#e15f53;color:#fff;transform:translateY(-2px)}
    .button.outline{border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.08);color:#fff}
    .button.outline:hover{background:#fff;color:var(--navy)}
    .hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:30px}
    .hero-meta strong{display:block;color:#fff;font-size:23px}
    .hero-meta span{display:block;color:#c9cbd4;font-size:12px}
    .invite-card{padding:28px;border:1px solid rgba(255,255,255,.2);border-radius:26px;background:rgba(255,253,249,.95);color:var(--ink);box-shadow:var(--shadow)}
    .invite-card h2{font-family:inherit;font-size:24px;margin-bottom:8px;color:var(--navy)}
    .invite-card p{margin:0 0 20px;color:var(--muted);font-size:14px}
    .progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin:14px 0 7px}
    .progress{height:9px;background:#eee8de;border-radius:10px;overflow:hidden}
    .progress span{display:block;width:72%;height:100%;border-radius:10px;background:var(--red)}
    .invite-note{font-size:12px;color:var(--muted);margin-top:15px}
    .section{padding:88px 0}
    .section.alt{background:var(--paper)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);margin:10px 0 0}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .intro-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:start}
    .intro-layout img{width:100%;height:390px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .body-copy{color:var(--muted);font-size:16px;line-height:2}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .service-card{min-height:235px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .service-card:hover,.scene:hover,.quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .number{color:var(--red);font-family:Georgia,serif;font-size:30px}
    .service-card h3{font-family:inherit;font-size:21px;margin:10px 0}
    .service-card p{margin:0;color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:1fr 1.2fr;gap:54px;align-items:center}
    .step-list{list-style:none;margin:0;padding:0}
    .step-list li{display:grid;grid-template-columns:46px 1fr;gap:17px;padding:20px 0;border-bottom:1px solid var(--line)}
    .step-list b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#f8ebe6;color:var(--red-dark)}
    .step-list strong{display:block;font-size:18px;margin-bottom:4px}
    .step-list span{display:block;color:var(--muted);font-size:14px}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .scene{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .scene.large{grid-row:span 2;background:var(--navy);color:#fff}
    .scene h3{font-family:inherit;font-size:22px;margin:0 0 9px}
    .scene p{color:var(--muted);font-size:14px;margin:0}
    .scene.large p{color:#d7dae2}
    .tag{display:inline-block;padding:5px 11px;border-radius:20px;background:#f7eadf;color:var(--red-dark);font-size:12px;font-weight:700;margin-bottom:18px}
    .rules{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .rule-panel{padding:30px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
    .rule-panel h3{font-family:inherit;font-size:23px}
    .check-list{list-style:none;margin:20px 0 0;padding:0}
    .check-list li{position:relative;padding:10px 0 10px 28px;border-bottom:1px solid var(--line);color:#4d5365}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .quote-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:22px;transition:.25s}
    .quote-card p{color:#4d5365;margin:0 0 18px}
    .quote-card strong{font-size:14px;color:var(--navy)}
    .quote-card span{display:block;font-size:12px;color:var(--muted)}
    .feature-band{padding:72px 0;background:var(--navy);color:#fff}
    .feature-band .section-head p{color:#cdd1db}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);padding:20px 0}
    .faq-item summary{cursor:pointer;list-style:none;font-size:18px;font-weight:700;padding-right:30px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:3px;color:var(--red);font-size:25px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:15px;margin:12px 35px 0 0}
    .cta{padding:68px 0;background:#f4e7db}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:clamp(30px,4vw,44px);margin:8px 0}
    .cta p{color:var(--muted);margin:0;max-width:650px}
    footer{padding:34px 0 42px;background:#171d31;color:#d9dbe2}
    .footer-main{display:flex;justify-content:space-between;gap:25px;align-items:start}
    .footer-brand{font-family:Georgia,"Songti SC",serif;font-size:25px;color:#fff}
    .footer-note{font-size:13px;color:#aeb4c2;margin-top:8px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:var(--gold)}
    .footer-bottom{margin-top:25px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#9fa6b5;font-size:12px}
    .fixed-bar{position:fixed;right:22px;bottom:22px;z-index:40}
    .fixed-bar a{display:inline-flex;padding:12px 18px;border-radius:30px;background:var(--red);color:#fff;box-shadow:var(--shadow-sm);font-weight:700;font-size:13px}
    @media(max-width:1024px){.main-nav a{padding-left:7px;padding-right:7px}.hero-grid{gap:35px}.section{padding:72px 0}}
    @media(max-width:768px){
      .masthead{min-height:68px}.brand-note,.brand-rule{display:none}.brand-name{font-size:29px}
      .nav-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:68px;padding:15px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);justify-content:flex-start}
      .main-nav.open{display:flex}.main-nav a{width:100%;padding:9px 12px}.main-nav .nav-button{width:auto;margin-top:5px}
      .hero{padding:66px 0 72px}.hero-grid,.intro-layout,.steps,.scene-grid,.rules{grid-template-columns:1fr}
      .hero h1{font-size:48px}.hero-copy{font-size:16px}.invite-card{max-width:520px}
      .section-head,.cta-box,.footer-main{display:block}.section-head p{margin-top:16px}.service-grid,.quote-grid{grid-template-columns:1fr}
      .scene.large{grid-row:auto}.intro-layout img{height:300px;margin-top:10px}.cta .button{margin-top:22px}
    }
    @media(max-width:520px){
      .container{padding:0 18px}.hero h1{font-size:40px}.section{padding:60px 0}
      .hero-meta{gap:18px}.service-card,.scene,.rule-panel{padding:23px}.footer-links{margin-top:22px}
      .fixed-bar{right:14px;bottom:14px}.fixed-bar a{font-size:12px;padding:10px 14px}
    }

/* roulang page: category2 */
:root{
--ink:#171b2e;--muted:#70758a;--cream:#f8f6f1;--paper:#fffdf9;--red:#c94c42;--red-dark:#96352f;--gold:#d5a85c;--navy:#202943;--line:#e8e3d8;--soft:#f1ece4;--radius:22px;--shadow:0 18px 55px rgba(35,35,52,.10);--shadow-sm:0 8px 24px rgba(35,35,52,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none;transition:all .25s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
button:focus,a:focus,input:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.masthead{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:18px;min-width:max-content}
.brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
.brand-rule{height:34px;width:1px;background:var(--gold)}
.brand-note{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:1.45}
.main-nav{display:flex;align-items:center;gap:4px;justify-content:flex-end}
.main-nav a{font-size:13px;color:#64697b;padding:8px 11px;border-radius:30px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
.nav-button{color:#fff!important;background:var(--red)!important;padding:10px 18px!important;box-shadow:0 7px 16px rgba(201,76,66,.18)}
.nav-button:hover{background:var(--red-dark)!important;transform:translateY(-2px)}
.nav-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px;padding:5px}
.hero{position:relative;isolation:isolate;overflow:hidden;min-height:620px;padding:76px 0 84px;color:#fff;background-image:linear-gradient(100deg,rgba(20,28,52,.94) 0%,rgba(29,36,61,.84) 52%,rgba(29,36,61,.49) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.hero:after{content:"";position:absolute;z-index:-1;width:420px;height:420px;right:-100px;bottom:-180px;border:1px solid rgba(213,168,92,.38);border-radius:50%;box-shadow:0 0 0 40px rgba(213,168,92,.07),0 0 0 80px rgba(213,168,92,.04)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:56px}
.eyebrow,.section-kicker{color:var(--gold);font-size:12px;letter-spacing:3px;font-weight:800}
.hero h1{margin:15px 0 18px;font-size:clamp(42px,5.4vw,70px);line-height:1.2;letter-spacing:2px;color:#fff}
.hero-copy{max-width:630px;margin:0;color:#e6e8ed;font-size:18px;line-height:2}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;color:#e5e3dc;font-size:13px}
.hero-points span:before{content:"◆";color:var(--gold);font-size:9px;margin-right:8px}
.rule-form{padding:29px;background:rgba(255,253,249,.96);border:1px solid rgba(255,255,255,.55);border-radius:24px;color:var(--ink);box-shadow:0 25px 55px rgba(0,0,0,.2)}
.rule-form h2{font-size:23px;margin:0 0 6px;color:var(--navy)}
.rule-form p{margin:0 0 19px;color:var(--muted);font-size:13px;line-height:1.75}
.form-row{display:flex;gap:10px}
.rule-form input{width:100%;height:50px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 14px;color:var(--ink)}
.rule-form input:focus{border-color:var(--red)}
.form-note{margin:13px 0 0!important;font-size:12px!important;color:#8a8e9c!important}
.button{border:0;border-radius:999px;padding:13px 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;line-height:1.3;transition:all .25s ease}
.button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.27)}
.button.primary:hover{background:#df5d52;transform:translateY(-2px)}
.button.dark{background:var(--navy);color:#fff}
.button.dark:hover{background:#303c60;transform:translateY(-2px)}
.button.light{background:#fff;color:var(--red-dark);border:1px solid var(--line)}
.button.light:hover{background:#fdf0eb;transform:translateY(-2px)}
.section{padding:88px 0}
.section.alt{background:var(--paper)}
.section.navy{background:var(--navy);color:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:36px;margin-bottom:38px}
.section-head h2{max-width:670px;margin:8px 0 0;font-size:clamp(30px,3.8vw,46px);line-height:1.35;color:var(--navy)}
.section.navy .section-head h2{color:#fff}
.section-head p{max-width:470px;margin:0;color:var(--muted);font-size:15px;line-height:1.9}
.section.navy .section-head p{color:#ced3df}
.intro-grid{display:grid;grid-template-columns:.87fr 1.13fr;gap:58px;align-items:center}
.image-frame{position:relative}
.image-frame img{width:100%;height:425px;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
.image-mark{position:absolute;bottom:18px;right:-18px;padding:16px 19px;border-radius:16px;background:var(--red);color:#fff;box-shadow:var(--shadow-sm);font-size:13px;line-height:1.55}
.copy-lead{margin:0 0 18px;font-family:Georgia,"Songti SC",serif;font-size:25px;line-height:1.7;color:var(--navy)}
.body-copy{color:var(--muted);line-height:2;font-size:16px}
.body-copy p{margin:0 0 17px}
.check-list{list-style:none;padding:0;margin:24px 0 0}
.check-list li{position:relative;padding:12px 0 12px 30px;border-bottom:1px solid var(--line);color:#4d5365}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:900}
.rank-layout{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start}
.rank-summary{position:sticky;top:105px;padding:30px;border-radius:24px;background:#f5e8df;border:1px solid #eed5ca}
.rank-summary h3{margin:0 0 12px;font-size:26px;color:var(--red-dark)}
.rank-summary p{margin:0;color:#775f5d;font-size:14px;line-height:1.9}
.rank-summary .button{margin-top:20px}
.rank-list{display:grid;gap:13px}
.rank-item{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:all .25s ease}
.rank-item:hover{border-color:#e1b8a6;transform:translateX(5px);box-shadow:var(--shadow-sm)}
.rank-num{font-family:Georgia,serif;font-size:33px;font-weight:800;color:var(--gold)}
.rank-item h3{margin:0 0 3px;font-size:20px;color:var(--navy)}
.rank-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.rank-tag{padding:6px 11px;border-radius:99px;background:#f8ebe6;color:var(--red-dark);font-size:12px;font-weight:800;white-space:nowrap}
.rank-item:nth-child(2) .rank-tag{background:#faf0d9;color:#8f681e}
.rank-item:nth-child(n+5) .rank-tag{background:#eef0f4;color:#596174}
.compare-wrap{display:grid;grid-template-columns:1fr .88fr;gap:28px;align-items:stretch}
.compare-card{padding:35px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.compare-card h3{margin:0 0 18px;font-size:27px;color:var(--navy)}
.compare-rule{display:grid;grid-template-columns:92px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}
.compare-rule:last-child{border-bottom:0}
.compare-rule strong{color:var(--red-dark);font-size:14px}
.compare-rule p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.example-panel{position:relative;overflow:hidden;padding:35px;border-radius:26px;background:#b8463e;color:#fff}
.example-panel:before{content:"A";position:absolute;right:10px;bottom:-65px;font-family:Georgia,serif;font-size:270px;font-weight:800;line-height:1;color:rgba(255,255,255,.1)}
.example-panel>*{position:relative}
.example-panel h3{margin:0 0 14px;font-size:29px}
.example-panel p{color:#ffeae5;line-height:1.9}
.example-chip{display:inline-block;margin:7px 7px 0 0;padding:8px 12px;border:1px solid rgba(255,255,255,.35);border-radius:10px;font-family:Georgia,serif;font-size:17px;color:#fff}
.scenario-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.scenario-main{position:relative;min-height:410px;overflow:hidden;border-radius:28px;background:var(--navy)}
.scenario-main img{width:100%;height:100%;min-height:410px;object-fit:cover;opacity:.68}
.scenario-copy{position:absolute;left:0;right:0;bottom:0;padding:35px;background:linear-gradient(transparent,rgba(21,27,46,.96))}
.scenario-copy h3{margin:0 0 8px;color:#fff;font-size:29px}
.scenario-copy p{margin:0;color:#e1e3e9;font-size:14px;line-height:1.9}
.scene-side{display:grid;gap:22px}
.scene-card{padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line);transition:all .25s ease}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene-card .scene-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;background:#f8ebe6;color:var(--red-dark);font-size:20px}
.scene-card h3{margin:13px 0 7px;font-size:20px;color:var(--navy)}
.scene-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.15);border-radius:25px;overflow:hidden}
.step{min-height:235px;padding:29px 25px;border-right:1px solid rgba(255,255,255,.15)}
.step:last-child{border-right:0}
.step-index{display:block;margin-bottom:33px;color:var(--gold);font-family:Georgia,serif;font-size:34px;font-weight:800}
.step h3{margin:0 0 8px;font-size:20px;color:#fff}
.step p{margin:0;color:#cbd1df;font-size:14px;line-height:1.85}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:22px;transition:all .25s ease}
.quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.quote-symbol{color:var(--gold);font-family:Georgia,serif;font-size:46px;line-height:.7}
.quote-card p{min-height:105px;margin:15px 0 20px;color:#4f566a;font-size:14px;line-height:1.95}
.quote-person{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#f3ded5;color:var(--red-dark);font-weight:800}
.notice-box{display:grid;grid-template-columns:auto 1fr;gap:21px;padding:29px 32px;border-radius:22px;background:#faf0d9;border:1px solid #ead5a9}
.notice-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:#fff;font-size:22px}
.notice-box h3{margin:0 0 4px;font-size:21px;color:#735a28}
.notice-box p{margin:0;color:#826c3d;font-size:14px;line-height:1.9}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;align-items:start}
.faq-intro{padding:31px;background:#f0ebe3;border-radius:25px}
.faq-intro h2{margin:9px 0 14px;color:var(--navy);font-size:35px;line-height:1.35}
.faq-intro p{margin:0 0 20px;color:var(--muted);font-size:14px;line-height:1.9}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:18px;padding:19px 20px;border:0;background:#fff;color:var(--navy);font-weight:800;text-align:left}
.faq-question span:last-child{color:var(--red);font-size:20px;line-height:1}
.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px;line-height:1.9}
.faq-item.open{border-color:#e2b8a8}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question{color:var(--red-dark)}
.cta-section{padding:88px 0;background-image:linear-gradient(90deg,rgba(20,28,52,.93),rgba(32,41,67,.75)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center}
.cta-box{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding:42px 46px;border:1px solid rgba(255,255,255,.2);border-radius:28px;background:rgba(21,27,46,.45);backdrop-filter:blur(8px)}
.cta-box h2{margin:7px 0 10px;font-size:clamp(30px,4vw,45px);color:#fff}
.cta-box p{max-width:680px;margin:0;color:#d7dbe5;line-height:1.9}
footer{background:#151a2d;color:#c9ced9;padding:52px 0 92px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{font-family:Georgia,"Songti SC",serif;color:#fff;font-size:31px;font-weight:800;letter-spacing:3px}
.footer-copy{max-width:510px;margin:11px 0 0;color:#9da6ba;font-size:13px;line-height:1.9}
.footer-links{display:flex;justify-content:flex-end;align-items:flex-start;gap:14px;flex-wrap:wrap;padding-top:10px}
.footer-links a{font-size:13px;color:#d2d6df}
.footer-links a:hover{color:var(--gold)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px;color:#8992a5;font-size:12px}
.footer-bottom a:hover{color:#fff}
.fixed-bar{position:fixed;left:50%;bottom:18px;z-index:60;display:flex;align-items:center;gap:18px;transform:translateX(-50%);width:min(700px,calc(100% - 28px));padding:10px 11px 10px 20px;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:rgba(255,253,249,.94);box-shadow:0 15px 42px rgba(20,27,46,.2);backdrop-filter:blur(12px)}
.fixed-bar p{margin:0;flex:1;color:#50576a;font-size:13px}
.fixed-bar strong{color:var(--red-dark)}
.fixed-bar .button{padding:10px 18px;white-space:nowrap}
@media(max-width:1100px){
.main-nav a{padding:8px 8px;font-size:12px}.brand-note{display:none}.hero-grid{gap:36px}.rank-layout{grid-template-columns:275px 1fr}
}
@media(max-width:850px){
.masthead{min-height:72px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:72px;padding:15px 24px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);align-items:stretch}.main-nav.open{display:flex;flex-direction:column}.main-nav a{width:100%;padding:10px 12px}.nav-button{text-align:center;margin-top:4px}.hero{min-height:auto;padding:62px 0}.hero-grid,.intro-grid,.compare-wrap,.faq-grid{grid-template-columns:1fr}.hero-grid{gap:30px}.section{padding:68px 0}.section-head{display:block;margin-bottom:29px}.section-head p{margin-top:13px}.rank-layout{grid-template-columns:1fr}.rank-summary{position:relative;top:auto}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.15)}.quote-grid{grid-template-columns:1fr}.quote-card p{min-height:0}.cta-box{grid-template-columns:1fr;padding:34px}.footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.image-frame img{height:350px}
}
@media(max-width:520px){
.container{padding:0 17px}.brand{gap:10px}.brand-name{font-size:28px}.brand-rule{height:28px}.hero h1{font-size:39px}.hero-copy{font-size:16px}.form-row{flex-direction:column}.form-row .button{width:100%}.section{padding:55px 0}.section-head h2{font-size:30px}.rank-item{grid-template-columns:47px 1fr;padding:17px}.rank-tag{display:none}.rank-num{font-size:27px}.rank-item h3{font-size:18px}.compare-card,.example-panel{padding:25px}.scenario-grid{grid-template-columns:1fr}.scenario-main,.scenario-main img{min-height:340px}.steps{grid-template-columns:1fr}.step,.step:nth-child(2){min-height:auto;border-right:0;border-bottom:1px solid rgba(255,255,255,.15)}.step:last-child{border-bottom:0}.notice-box{grid-template-columns:1fr;padding:24px}.cta-box{padding:27px 23px}.cta-box .button{width:100%}.fixed-bar{gap:8px;padding:8px 8px 8px 14px;bottom:10px}.fixed-bar p{font-size:11px;line-height:1.45}.fixed-bar .button{padding:10px 13px;font-size:12px}.footer-bottom{padding-bottom:8px}
}

/* roulang page: category3 */
:root{
      --ink:#171b2e;
      --muted:#70758a;
      --cream:#f8f6f1;
      --paper:#fffdf9;
      --red:#c94c42;
      --red-dark:#96352f;
      --gold:#d5a85c;
      --navy:#202943;
      --line:#e8e3d8;
      --soft:#f1ece4;
      --radius:22px;
      --shadow:0 18px 55px rgba(35,35,52,.10);
      --shadow-sm:0 8px 24px rgba(35,35,52,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
    .container{max-width:1180px;margin:0 auto;padding:0 24px}
    .site-header{background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}
    .masthead{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:18px;min-width:max-content}
    .brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
    .brand-rule{height:34px;width:1px;background:var(--gold)}
    .brand-note{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:1.45}
    .main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
    .main-nav a{font-size:13px;color:#64697b;padding:8px 11px;border-radius:30px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
    .main-nav .nav-button{color:#fff!important;background:var(--red)!important;padding:10px 18px!important}
    .main-nav .nav-button:hover{background:var(--red-dark)!important;transform:translateY(-2px)}
    .nav-toggle{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .hero{min-height:570px;padding:68px 0 78px;background-image:linear-gradient(90deg,rgba(20,28,52,.94) 0%,rgba(29,36,61,.82) 55%,rgba(29,36,61,.38) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--gold);font-weight:700}
    .hero h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(42px,6vw,72px);line-height:1.2;color:#fff;letter-spacing:2px;margin:18px 0}
    .hero-copy{max-width:650px;color:#e9e8e9;font-size:18px;line-height:2;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
    .button{border:0;border-radius:999px;padding:13px 24px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.25s ease}
    .button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.28)}
    .button.primary:hover{background:#e15f53;transform:translateY(-2px)}
    .button.outline{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
    .button.outline:hover{background:#fff;color:var(--navy)}
    .hero-stats{display:flex;gap:28px;flex-wrap:wrap}
    .hero-stats strong{display:block;font-size:24px;color:#fff}
    .hero-stats span{display:block;font-size:12px;color:#c9cbd4}
    .profile-card{background:rgba(255,253,249,.97);border-radius:28px;padding:28px;color:var(--ink);box-shadow:var(--shadow)}
    .profile-top{display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:20px}
    .avatar{width:62px;height:62px;border-radius:50%;object-fit:cover;border:4px solid #f4dfbb}
    .profile-top h3{margin:0;color:var(--navy);font-family:Georgia,"Songti SC",serif;font-size:24px}
    .profile-top p{margin:2px 0 0;color:var(--muted);font-size:13px}
    .profile-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
    .badge-box{padding:13px 8px;background:var(--soft);border-radius:14px;text-align:center}
    .badge-box strong{display:block;color:var(--red-dark);font-size:20px}
    .badge-box span{font-size:11px;color:var(--muted)}
    .profile-card .button{width:100%}
    .section{padding:88px 0}
    .section.alt{background:var(--paper)}
    .section.dark{background:var(--navy);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-family:Georgia,"Songti SC",serif;font-size:clamp(30px,4vw,46px);line-height:1.3;margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:560px;margin:0}
    .dark .section-head p{color:#c9cbd4}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}
    .body-copy{color:var(--muted);font-size:16px;line-height:2.05}
    .body-copy p{margin:0 0 18px}
    .visual-card img{width:100%;height:390px;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
    .quote-label{display:inline-block;background:#f8ebe6;color:var(--red-dark);padding:6px 13px;border-radius:30px;font-size:12px;font-weight:700}
    .flow-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
    .flow-track:before{content:"";position:absolute;top:31px;left:8%;right:8%;height:2px;background:#ead7c0}
    .flow-step{position:relative;text-align:center;padding:0 12px}
    .step-number{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;background:var(--paper);border:2px solid var(--gold);color:var(--red-dark);font-family:Georgia,serif;font-size:23px;font-weight:bold;position:relative;z-index:1}
    .flow-step h3{font-size:18px;margin:0 0 8px;color:var(--navy)}
    .flow-step p{font-size:13px;color:var(--muted);margin:0}
    .panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:220px;transition:.25s}
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .service-card .icon{font-size:28px;color:var(--red);margin-bottom:14px}
    .service-card h3{font-size:22px;margin:0 0 10px;color:var(--navy)}
    .service-card p{color:var(--muted);font-size:14px;margin:0}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
    .scene:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .scene img{height:230px;width:100%;object-fit:cover}
    .scene-content{padding:24px}
    .scene-content h3{margin:0 0 8px;font-size:21px;color:var(--navy)}
    .scene-content p{margin:0;color:var(--muted);font-size:14px}
    .dark .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .compare-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:23px}
    .compare-item.featured{background:#fff;color:var(--ink);border-color:var(--gold);transform:translateY(-10px)}
    .compare-item h3{font-size:19px;margin:0 0 8px;color:inherit}
    .compare-item p{font-size:13px;color:inherit;opacity:.76;margin:0}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative;color:#4d5365}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .quote-card{background:#fff;border-radius:22px;padding:26px;border:1px solid var(--line);transition:.25s}
    .quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .quote-card p{color:#4c5262;font-size:15px;margin:0 0 18px}
    .quote-card strong{color:var(--navy);font-size:14px}
    .quote-card span{display:block;color:var(--muted);font-size:12px}
    .faq-wrap{max-width:860px;margin:0 auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;padding:0 22px}
    .faq-item summary{cursor:pointer;list-style:none;padding:18px 32px 18px 0;font-weight:700;color:var(--navy);position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:3px;color:var(--red);font-size:22px;top:14px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{border-top:1px solid var(--line);padding:15px 0 18px;margin:0;color:var(--muted);font-size:14px}
    .cta{padding:70px 0;background:linear-gradient(110deg,#96352f,#c94c42);color:#fff}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-family:Georgia,"Songti SC",serif;font-size:clamp(30px,4vw,44px);margin:0 0 8px;color:#fff}
    .cta p{margin:0;color:#f8ded7;max-width:650px}
    .cta .button{background:#fff;color:var(--red-dark)}
    .cta .button:hover{background:#fff3df;transform:translateY(-2px)}
    footer{background:#171d31;color:#d9dbe3;padding:36px 0 28px}
    .footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:start}
    .footer-brand{font-family:Georgia,"Songti SC",serif;font-size:27px;color:#fff}
    .footer-note{color:#9fa5b6;font-size:13px;max-width:460px;margin-top:8px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#c8cad3}
    .footer-links a:hover{color:#fff}
    .record{border-top:1px solid rgba(255,255,255,.12);margin-top:25px;padding-top:18px;color:#8f96aa;font-size:12px;display:flex;gap:20px;flex-wrap:wrap}
    .fixed-bar{position:fixed;right:22px;bottom:22px;z-index:40;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:999px;padding:8px 8px 8px 18px;display:flex;align-items:center;gap:13px;font-size:13px}
    .fixed-bar strong{color:var(--navy)}
    .fixed-bar .button{padding:9px 16px;font-size:13px}
    @media(max-width:1024px){
      .main-nav{gap:0}.main-nav a{padding:7px 8px;font-size:12px}
      .hero-grid,.intro-grid{gap:35px}.flow-track{grid-template-columns:repeat(5,1fr)}
    }
    @media(max-width:768px){
      .masthead{min-height:70px}.brand-name{font-size:28px}.brand-note{display:none}
      .nav-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:70px;background:var(--paper);padding:14px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{text-align:center;padding:11px}
      .hero{padding:58px 0 65px}.hero-grid,.intro-grid,.scene-grid{grid-template-columns:1fr}
      .hero h1{font-size:48px}.profile-card{max-width:540px}
      .section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:16px}
      .flow-track{grid-template-columns:1fr;gap:25px}.flow-track:before{top:32px;bottom:32px;left:31px;width:2px;height:auto;right:auto}
      .flow-step{text-align:left;display:grid;grid-template-columns:64px 1fr;column-gap:18px;padding:0}
      .step-number{grid-row:span 2;margin:0}.flow-step h3{align-self:end}.flow-step p{align-self:start}
      .panel-grid,.quote-grid,.dark .compare-grid{grid-template-columns:1fr}
      .compare-item.featured{transform:none}.cta-box,.footer-grid{display:block}.cta .button{margin-top:23px}
      .fixed-bar{left:16px;right:16px;justify-content:space-between}
    }
    @media(max-width:520px){
      .container{padding:0 18px}.hero h1{font-size:41px}.hero-copy{font-size:16px}.hero-stats{gap:18px}
      .profile-card{padding:21px}.visual-card img{height:280px}.scene img{height:190px}
      .footer-links{margin-top:22px}.record{display:block}.record span{display:block;margin-bottom:7px}
    }

/* roulang page: category4 */
:root{
      --ink:#171b2e;
      --muted:#70758a;
      --cream:#f8f6f1;
      --paper:#fffdf9;
      --red:#c94c42;
      --red-dark:#96352f;
      --gold:#d5a85c;
      --navy:#202943;
      --line:#e8e3d8;
      --soft:#f1ece4;
      --radius:22px;
      --shadow:0 18px 55px rgba(35,35,52,.10);
      --shadow-sm:0 8px 24px rgba(35,35,52,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
    .container{max-width:1180px;margin:0 auto;padding:0 24px}
    .site-header{background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}
    .masthead{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:18px;min-width:max-content}
    .brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
    .brand-rule{height:34px;width:1px;background:var(--gold)}
    .brand-note{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:1.45}
    .main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
    .main-nav a{font-size:13px;color:#64697b;padding:8px 11px;border-radius:30px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
    .main-nav .nav-button{color:#fff!important;background:var(--red)!important;padding:10px 18px!important}
    .nav-button:hover{background:var(--red-dark)!important;transform:translateY(-2px)}
    .nav-toggle{display:none;background:none;border:0;color:var(--navy);font-size:25px;cursor:pointer}
    .page-hero{min-height:470px;display:flex;align-items:center;color:#fff;background-image:linear-gradient(90deg,rgba(20,28,52,.93),rgba(29,36,61,.72),rgba(29,36,61,.35)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero-inner{max-width:760px;padding:82px 0}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--gold);font-weight:700}
    h1,h2,h3,h4{font-family:Georgia,"Songti SC","STSong",serif;line-height:1.25;margin-top:0}
    .page-hero h1{font-size:clamp(42px,6vw,72px);color:#fff;margin:18px 0 20px;letter-spacing:2px}
    .hero-copy{font-size:18px;color:#ecebf0;max-width:680px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{border:0;border-radius:999px;padding:13px 24px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.25s ease}
    .button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.28)}
    .button.primary:hover{background:#e15f53;transform:translateY(-2px)}
    .button.outline{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
    .button.outline:hover{background:#fff;color:var(--navy)}
    .section{padding:88px 0}
    .section.alt{background:var(--paper)}
    .section.dark{background:var(--navy);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:530px;margin:0}
    .dark .section-head p{color:#c4c8d3}
    .intro-grid{display:grid;grid-template-columns:1fr .85fr;gap:64px;align-items:center}
    .body-copy{color:var(--muted);font-size:16px;line-height:2}
    .visual-card img{width:100%;height:390px;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
    .number-list{list-style:none;margin:24px 0 0;padding:0}
    .number-list li{display:flex;gap:17px;padding:17px 0;border-bottom:1px solid var(--line)}
    .number-list b{color:var(--red);font-size:20px;min-width:30px}
    .number-list strong{display:block;font-size:17px;margin-bottom:3px}
    .number-list span{display:block;color:var(--muted);font-size:14px}
    .flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 17px;min-height:210px;transition:.25s}
    .flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:#dfb6a7}
    .flow-step .step-no{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#f8ebe6;color:var(--red-dark);font-weight:800;margin-bottom:22px}
    .flow-step h3{font-family:inherit;font-size:18px;margin-bottom:8px}
    .flow-step p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
    .flow-step:not(:last-child):after{content:"→";position:absolute;right:-17px;top:80px;color:var(--gold);font-size:22px;z-index:2}
    .table-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
    .table-panel{border-radius:var(--radius);background:#273252;padding:32px;color:#fff;min-height:320px;position:relative;overflow:hidden}
    .table-panel:after{content:"♠  ♥  ♦  ♣";position:absolute;right:22px;bottom:15px;color:rgba(255,255,255,.1);font-size:38px;letter-spacing:8px}
    .table-panel h3{color:#fff;font-size:28px}
    .table-panel p{color:#cbd0dc;max-width:450px}
    .table-points{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;position:relative;z-index:1}
    .table-point{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:15px;padding:15px}
    .table-point strong{display:block;color:var(--gold);font-size:14px}
    .table-point span{font-size:12px;color:#d3d6df}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
    .scene img{width:100%;height:190px;object-fit:cover}
    .scene-content{padding:24px}
    .scene h3{font-family:inherit;font-size:22px;margin-bottom:8px}
    .scene p{font-size:14px;color:var(--muted);margin:0}
    .rhythm-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start}
    .rhythm-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .bar{display:flex;align-items:center;gap:14px;margin:20px 0}
    .bar-label{width:72px;color:var(--muted);font-size:13px}
    .bar-track{height:10px;background:#f0ebe4;border-radius:10px;flex:1;overflow:hidden}
    .bar-fill{height:100%;background:var(--red);border-radius:10px}
    .bar-value{font-weight:700;color:var(--red-dark);font-size:13px}
    .tip-list{list-style:none;padding:0;margin:0}
    .tip-list li{padding:14px 0 14px 28px;border-bottom:1px solid var(--line);position:relative}
    .tip-list li:before{content:"◆";position:absolute;left:0;top:17px;color:var(--gold);font-size:10px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .quote-card{background:#fff;border-radius:22px;padding:27px;border:1px solid var(--line);transition:.25s}
    .quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .quote-card p{font-size:15px;line-height:1.9;margin:0 0 18px}
    .quote-card footer{color:var(--red-dark);font-size:13px;font-weight:700}
    .principles{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .principle{padding:23px 18px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}
    .principle strong{display:block;font-size:17px;margin-bottom:8px}
    .principle span{font-size:13px;color:var(--muted)}
    .faq-list{max-width:880px;margin:0 auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden}
    .faq-question{width:100%;background:transparent;border:0;text-align:left;padding:20px 24px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;cursor:pointer}
    .faq-question span:last-child{color:var(--red);font-size:22px;line-height:1}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 24px 20px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:var(--red-dark)}
    .cta{background:var(--red-dark);color:#fff;padding:62px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:#fff;font-size:clamp(30px,4vw,44px);margin:0 0 10px}
    .cta p{color:#f2deda;margin:0;max-width:640px}
    footer.site-footer{background:#171d31;color:#c7cad4;padding:42px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:35px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{font-family:Georgia,"Songti SC",serif;font-size:29px;color:#fff;letter-spacing:2px}
    .footer-note{font-size:13px;color:#9da3b5;max-width:390px;margin:12px 0 0}
    .footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px}
    .footer-links a:hover{color:var(--gold)}
    .footer-title{font-size:13px;color:var(--gold);letter-spacing:1px;margin-bottom:10px}
    .copyright{padding-top:20px;font-size:12px;color:#8f96aa;display:flex;flex-wrap:wrap;gap:18px}
    .copyright a{color:#b9bdc9}.copyright a:hover{color:#fff}
    @media(max-width:1024px){
      .main-nav a{padding:7px 8px;font-size:12px}
      .flow-grid{grid-template-columns:repeat(3,1fr)}
      .flow-step:not(:last-child):after{display:none}
      .principles{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .masthead{min-height:68px}.brand-note,.brand-rule{display:none}.brand-name{font-size:28px}
      .nav-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);padding:14px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .main-nav.is-open{display:flex}.main-nav a{text-align:center}
      .page-hero{min-height:500px}.hero-inner{padding:70px 0}.page-hero h1{font-size:46px}
      .intro-grid,.table-layout,.rhythm-grid{grid-template-columns:1fr;gap:30px}
      .flow-grid{grid-template-columns:1fr 1fr}.scene-grid{grid-template-columns:1fr}
      .quote-grid{grid-template-columns:1fr}.section{padding:65px 0}
      .section-head{display:block}.section-head p{margin-top:16px}
      .cta-inner{display:block}.cta .button{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{padding:0 18px}.page-hero h1{font-size:39px}.hero-copy{font-size:16px}
      .flow-grid,.principles,.table-points{grid-template-columns:1fr}
      .visual-card img{height:280px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span,.copyright a{display:block;margin-bottom:7px}
      .cta{padding:48px 0}
    }

/* roulang page: category5 */
:root{
      --ink:#171b2e;
      --muted:#70758a;
      --cream:#f8f6f1;
      --paper:#fffdf9;
      --red:#c94c42;
      --red-dark:#96352f;
      --gold:#d5a85c;
      --navy:#202943;
      --line:#e8e3d8;
      --soft:#f1ece4;
      --radius:22px;
      --shadow:0 18px 55px rgba(35,35,52,.10);
      --shadow-sm:0 8px 24px rgba(35,35,52,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
    .container{max-width:1180px;margin:0 auto;padding:0 24px}
    .site-header{background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}
    .masthead{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:18px;min-width:max-content}
    .brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
    .brand-rule{height:34px;width:1px;background:var(--gold)}
    .brand-note{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:1.45}
    .main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
    .main-nav a{font-size:13px;color:#64697b;padding:8px 11px;border-radius:30px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
    .nav-button{color:#fff!important;background:var(--red)!important;padding:10px 18px!important}
    .nav-button:hover{background:var(--red-dark)!important;transform:translateY(-2px)}
    .nav-toggle{display:none;background:none;border:0;color:var(--navy);font-size:25px;cursor:pointer}
    .section{padding:88px 0}
    .section.alt{background:var(--paper)}
    .section.dark{background:var(--navy);color:#fff}
    .section-kicker,.eyebrow{display:block;font-size:12px;letter-spacing:3px;color:var(--gold);font-weight:800;text-transform:uppercase}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2{font-family:Georgia,"Songti SC","Noto Serif SC",serif}
    h2{font-size:clamp(30px,4vw,45px);line-height:1.3;letter-spacing:.5px;margin:10px 0 18px;color:var(--navy)}
    h3{line-height:1.45;color:var(--navy)}
    .body-copy{color:var(--muted);font-size:16px;line-height:2}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:38px}
    .section-head p{max-width:520px;margin:0;color:var(--muted);line-height:1.9}
    .button{border:0;border-radius:999px;padding:13px 24px;font-weight:700;line-height:1.4;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.25s ease}
    .button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.27)}
    .button.primary:hover{background:#df5d51;transform:translateY(-2px);box-shadow:0 14px 28px rgba(201,76,66,.35)}
    .button.secondary{background:transparent;border:1px solid var(--line);color:var(--navy)}
    .button.secondary:hover{border-color:var(--red);color:var(--red-dark);background:#fff8f5}
    .button.light{background:#fff;color:var(--navy)}
    .button.light:hover{background:var(--gold);transform:translateY(-2px)}
    .breadcrumbs{padding:18px 0;color:var(--muted);font-size:13px}
    .breadcrumbs a:hover{color:var(--red)}
    .breadcrumbs span{padding:0 9px;color:#aaa}
    .paper-hero{padding:54px 0 78px;background:linear-gradient(90deg,rgba(25,34,59,.96),rgba(25,34,59,.80)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .paper-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
    .paper-hero h1{font-size:clamp(42px,5.4vw,69px);line-height:1.17;letter-spacing:1px;margin:14px 0 22px;color:#fff}
    .paper-hero .intro{font-size:17px;line-height:2;color:#e6e8ed;max-width:635px;margin-bottom:28px}
    .hero-note{display:flex;gap:24px;flex-wrap:wrap;color:#d4d7e0;font-size:13px;margin-top:26px}
    .hero-note strong{display:block;color:var(--gold);font-size:18px}
    .guide-cover{position:relative;padding:14px 14px 14px 30px}
    .guide-cover:before{content:"";position:absolute;left:0;top:35px;bottom:35px;width:7px;background:var(--gold);border-radius:8px}
    .cover-sheet{background:#fffdf9;color:var(--ink);border-radius:10px;padding:31px;box-shadow:0 24px 60px rgba(0,0,0,.28);transform:rotate(2.2deg)}
    .cover-sheet .small-mark{font-size:12px;letter-spacing:2px;color:var(--red);font-weight:800}
    .cover-sheet h2{font-size:32px;margin:17px 0 13px;color:var(--navy)}
    .cover-sheet p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:18px}
    .cover-directory{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .cover-directory li{border-bottom:1px solid var(--line);padding:9px 0;display:flex;justify-content:space-between;font-size:13px;color:#50566b}
    .cover-directory b{color:var(--red)}
    .download-form{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:16px;border-radius:15px;display:flex;gap:10px;margin-top:22px}
    .download-form input{flex:1;min-width:0;background:#fff;border:0;border-radius:999px;padding:12px 16px;color:var(--ink)}
    .download-form .button{padding:11px 17px;white-space:nowrap}
    .trust-line{padding:26px 0;border-bottom:1px solid var(--line);background:var(--paper)}
    .trust-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .trust-inner p{margin:0;color:#555d71;font-size:14px}
    .trust-badges{display:flex;gap:10px;flex-wrap:wrap}
    .pill{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;background:#f7eee7;color:var(--red-dark);font-size:12px;font-weight:700}
    .pill:before{content:"●";font-size:9px;color:var(--gold)}
    .intro-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:start}
    .quote-panel{position:sticky;top:105px;padding:34px;border-radius:var(--radius);background:var(--soft);border:1px solid var(--line)}
    .quote-panel .quote-symbol{font-family:Georgia,serif;color:var(--red);font-size:65px;line-height:.7}
    .quote-panel p{font-family:Georgia,"Songti SC",serif;font-size:25px;line-height:1.65;color:var(--navy);margin:13px 0 17px}
    .quote-panel small{color:var(--muted)}
    .reading-copy p{margin-bottom:20px}
    .reading-copy h3{font-size:24px;margin:28px 0 9px}
    .check-list{list-style:none;padding:0;margin:22px 0 0}
    .check-list li{position:relative;padding:12px 0 12px 29px;border-bottom:1px solid var(--line);color:#4e566b}
    .check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--red);font-weight:900}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .benefit-card{padding:28px 25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s ease}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .benefit-no{display:block;font-family:Georgia,serif;font-size:36px;color:var(--gold);margin-bottom:18px}
    .benefit-card h3{font-size:21px;margin-bottom:10px}
    .benefit-card p{color:var(--muted);font-size:14px;margin:0;line-height:1.9}
    .scene-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
    .scene-image{min-height:430px;position:relative;overflow:hidden;border-radius:28px}
    .scene-image img{height:100%;width:100%;object-fit:cover}
    .scene-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(24,31,52,.78),rgba(24,31,52,.03) 60%)}
    .image-caption{position:absolute;left:30px;right:28px;bottom:25px;color:#fff;z-index:1}
    .image-caption strong{display:block;font-family:Georgia,"Songti SC",serif;font-size:30px;margin-bottom:6px}
    .image-caption span{font-size:14px;color:#e5e6e9}
    .scene-list{display:grid;gap:14px}
    .scene-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px 22px;transition:.25s}
    .scene-item:hover{border-color:#e4b3aa;box-shadow:var(--shadow-sm);transform:translateX(4px)}
    .scene-item b{display:block;color:var(--red-dark);font-size:13px;margin-bottom:5px}
    .scene-item h3{font-size:19px;margin:0 0 6px}
    .scene-item p{margin:0;font-size:13px;line-height:1.8;color:var(--muted)}
    .flow-wrap{background:var(--navy);border-radius:30px;padding:54px;overflow:hidden;position:relative}
    .flow-wrap:after{content:"";position:absolute;width:390px;height:390px;border-radius:50%;border:1px solid rgba(213,168,92,.28);right:-130px;bottom:-215px}
    .flow-wrap h2{color:#fff;position:relative;z-index:1}
    .flow-wrap .body-copy{color:#c8ccd6;position:relative;z-index:1;max-width:610px}
    .flow-list{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:33px}
    .flow-step{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:18px;padding:22px 18px;min-height:190px}
    .flow-step .step-no{display:block;color:var(--gold);font-family:Georgia,serif;font-size:26px;margin-bottom:13px}
    .flow-step h3{color:#fff;font-size:18px;margin-bottom:8px}
    .flow-step p{font-size:13px;line-height:1.75;color:#c9ceda;margin:0}
    .words-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:center}
    .words-grid h2{margin-bottom:16px}
    .words-grid .body-copy{max-width:470px}
    .word-list{display:grid;gap:12px}
    .word-card{display:grid;grid-template-columns:112px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:16px}
    .word-card b{color:var(--red-dark);font-size:14px}
    .word-card span{font-size:14px;color:#5e6578}
    .feature-reading{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .feature-reading img{height:100%;min-height:390px;width:100%;object-fit:cover}
    .feature-copy{padding:48px}
    .feature-copy h2{font-size:35px}
    .feature-copy p{color:var(--muted);line-height:2;margin-bottom:20px}
    .mini-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
    .mini-point{padding:13px;background:var(--soft);border-radius:12px;color:#495166;font-size:13px}
    .mini-point:before{content:"◆";color:var(--gold);font-size:11px;margin-right:8px}
    .faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:start}
    .faq-intro{padding:28px;background:#f5eee7;border-radius:22px}
    .faq-intro p{margin:0;color:#646b7e;font-size:14px;line-height:1.9}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line);padding:20px 0}
    .faq-item h3{font-size:18px;margin:0 0 8px}
    .faq-item p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}
    .cta-section{padding:0 0 105px}
    .cta-box{background:linear-gradient(115deg,#9e3832,#ca4d42 56%,#df8566);border-radius:30px;padding:54px 58px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:35px;box-shadow:0 20px 46px rgba(160,57,49,.22)}
    .cta-box h2{color:#fff;font-size:40px;margin:0 0 10px}
    .cta-box p{margin:0;max-width:630px;color:#fff0ec;line-height:1.9}
    footer{background:#171b2e;color:#d6d8e0;padding:58px 0 86px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{font-family:Georgia,"Songti SC",serif;font-size:31px;font-weight:700;letter-spacing:3px;color:#fff;margin-bottom:10px}
    .footer-desc{font-size:13px;color:#aeb4c4;max-width:350px;line-height:1.9}
    .footer-title{font-size:13px;color:var(--gold);letter-spacing:2px;margin:5px 0 12px}
    .footer-links{display:grid;gap:7px;font-size:13px;color:#c7cbd6}
    .footer-links a:hover{color:var(--gold)}
    .footer-bottom{padding-top:25px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px;color:#949bad}
    .footer-bottom a{color:#cfd3df}
    .footer-bottom a:hover{color:var(--gold)}
    .fixed-bar{position:fixed;bottom:0;left:0;right:0;z-index:60;background:rgba(23,27,46,.96);border-top:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px)}
    .fixed-inner{min-height:62px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:#fff}
    .fixed-inner span{font-size:13px;color:#d1d5df}
    .fixed-inner strong{color:var(--gold)}
    .fixed-inner .button{padding:9px 19px;font-size:13px}
    @media(max-width:1120px){
      .masthead{gap:12px}.brand-note{display:none}.main-nav a{padding:7px 8px;font-size:12px}
      .paper-grid,.intro-grid{gap:38px}.flow-list{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:860px){
      .masthead{min-height:70px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;padding:16px 24px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);align-items:stretch}
      .main-nav.open{display:flex;flex-direction:column}.main-nav a{width:100%;padding:10px 12px}.nav-button{text-align:center;margin-top:5px}
      .paper-grid,.intro-grid,.scene-layout,.words-grid,.faq-grid{grid-template-columns:1fr}.guide-cover{max-width:530px;margin:0 auto}.quote-panel{position:static}.benefit-grid{grid-template-columns:1fr}.feature-reading{grid-template-columns:1fr}.feature-reading img{min-height:280px;max-height:380px}.footer-grid{grid-template-columns:1fr 1fr}.section{padding:68px 0}
    }
    @media(max-width:620px){
      .container{padding:0 18px}.brand-name{font-size:28px}.paper-hero{padding:34px 0 58px}.paper-hero h1{font-size:40px}.paper-grid{gap:27px}.cover-sheet{padding:24px;transform:none}.download-form{flex-direction:column}.download-form .button{width:100%}
      .section-head{display:block;margin-bottom:27px}.section-head p{margin-top:10px}.trust-inner{display:block}.trust-badges{margin-top:12px}.scene-image{min-height:315px}.flow-wrap{padding:34px 23px}.flow-list{grid-template-columns:1fr}.word-card{grid-template-columns:1fr;gap:4px}.feature-copy{padding:31px 24px}.mini-points{grid-template-columns:1fr}.cta-box{padding:35px 26px;display:block}.cta-box h2{font-size:31px}.cta-box .button{margin-top:21px}.footer-grid{grid-template-columns:1fr;gap:20px}.fixed-inner span{display:none}.fixed-inner{justify-content:center}.fixed-inner .button{width:100%}
    }

/* roulang page: category6 */
:root{
      --ink:#171b2e;--muted:#70758a;--cream:#f8f6f1;--paper:#fffdf9;
      --red:#c94c42;--red-dark:#96352f;--gold:#d5a85c;--navy:#202943;
      --line:#e8e3d8;--soft:#f1ece4;--radius:22px;
      --shadow:0 18px 55px rgba(35,35,52,.10);--shadow-sm:0 8px 24px rgba(35,35,52,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}
    h1,h2,h3,h4,p{margin-top:0} h1,h2{font-family:Georgia,"Songti SC",serif;letter-spacing:1px}
    a{color:inherit;text-decoration:none;transition:.25s ease} img{display:block;max-width:100%}
    button,input{font:inherit} button:focus,a:focus,input:focus{outline:3px solid rgba(201,76,66,.25);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 24px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,249,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
    .masthead{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:17px;min-width:max-content}
    .brand-name{font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:800;letter-spacing:3px;color:var(--navy)}
    .brand-rule{height:34px;width:1px;background:var(--gold)}
    .brand-note{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:1.45}
    .main-nav{display:flex;align-items:center;gap:3px;justify-content:flex-end;flex-wrap:wrap}
    .main-nav a{font-size:13px;color:#64697b;padding:8px 10px;border-radius:30px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--red-dark);background:#f8ebe6}
    .main-nav .nav-button{color:#fff!important;background:var(--red);padding:10px 17px}
    .main-nav .nav-button:hover{background:var(--red-dark);transform:translateY(-2px)}
    .nav-toggle{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .hero{color:#fff;padding:90px 0 100px;background-image:linear-gradient(90deg,rgba(20,28,52,.94),rgba(29,36,61,.72),rgba(29,36,61,.35)),url('/assets/images/backpic/back-2.webp');background-position:center;background-size:cover}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:3px;color:var(--gold);font-weight:700}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.2;color:#fff;margin:17px 0 22px}
    .hero-copy{max-width:650px;color:#ecebf0;font-size:18px;line-height:2;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{border:0;border-radius:999px;padding:13px 24px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s}
    .button.primary{background:var(--red);color:#fff;box-shadow:0 10px 22px rgba(201,76,66,.28)}
    .button.primary:hover{background:#e15f53;transform:translateY(-2px)}
    .button.outline{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
    .button.outline:hover{background:#fff;color:var(--navy)}
    .hero-panel{background:rgba(255,253,249,.96);color:var(--ink);border-radius:28px;padding:28px;box-shadow:var(--shadow)}
    .hero-panel img{width:100%;height:215px;object-fit:cover;border-radius:18px;margin-bottom:21px}
    .panel-label{font-size:12px;color:var(--red-dark);letter-spacing:2px;font-weight:bold}
    .hero-panel h3{font-family:Georgia,"Songti SC",serif;font-size:27px;margin:8px 0}
    .hero-panel p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .section{padding:88px 0}.section.alt{background:var(--paper)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.3;margin:8px 0 0}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .intro-image img{height:390px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .body-copy{color:var(--muted);font-size:16px;line-height:2}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .feature-card,.scene,.quote-card,.device-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:.25s}
    .feature-card:hover,.scene:hover,.quote-card:hover,.device-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-number{color:var(--red);font-family:Georgia,serif;font-size:35px;font-weight:bold}
    .feature-card h3,.scene h3,.device-card h3{font-size:22px;margin:8px 0 10px}.feature-card p,.scene p,.device-card p{font-size:14px;color:var(--muted);margin:0}
    .device-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:45px;align-items:center}
    .device-photo img{height:430px;width:100%;object-fit:cover;border-radius:28px}
    .device-list{list-style:none;padding:0;margin:0}.device-list li{display:flex;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}
    .device-list b{color:var(--red);font-size:20px}.device-list span{color:#555b6c}
    .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .scene{min-height:170px}.scene strong{display:inline-block;color:var(--red-dark);font-size:12px;letter-spacing:2px;margin-bottom:8px}
    .dark-section{background:var(--navy);color:#fff}.dark-section .section-head p,.dark-section .body-copy{color:#cdd1dc}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:30px}
    .flow-step{padding:24px 22px;border-top:1px solid rgba(255,255,255,.25);position:relative}
    .flow-step:before{content:"";position:absolute;top:-5px;left:22px;width:9px;height:9px;background:var(--gold);border-radius:50%}
    .flow-step em{font-style:normal;color:var(--gold);font-size:13px}.flow-step h3{font-size:20px;margin:8px 0}.flow-step p{font-size:13px;color:#cdd1dc}
    .security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.security-item{text-align:center;padding:24px 14px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .security-icon{font-size:25px;color:var(--red)}.security-item strong{display:block;margin:9px 0 5px}.security-item span{font-size:12px;color:var(--muted)}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.quote-card p{font-size:15px;color:#4f5566}.quote-card footer{color:var(--red-dark);font-size:13px;font-weight:bold}
    .faq-wrap{max-width:860px;margin:auto}.faq-item{border-bottom:1px solid var(--line);padding:20px 0}.faq-item summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;padding-right:30px;position:relative}.faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--red);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .cta{background:#f5e7df;padding:65px 0}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:38px;margin:8px 0}.cta p{color:var(--muted);max-width:650px;margin:0}
    footer{background:#171d31;color:#c5c9d3;padding:42px 0 92px;font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-brand{font-family:Georgia,serif;color:#fff;font-size:25px;letter-spacing:2px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer-links a:hover{color:var(--gold)}.legal{border-top:1px solid rgba(255,255,255,.13);margin-top:28px;padding-top:20px;color:#9298a8;display:flex;gap:20px;flex-wrap:wrap}.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:30;background:rgba(255,253,249,.96);border-top:1px solid var(--line);padding:10px 20px;box-shadow:0 -8px 30px rgba(20,25,45,.1)}.sticky-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;max-width:1180px;margin:auto}.sticky-inner span{font-size:14px;color:var(--navy);font-weight:700}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:7px 7px;font-size:12px}.hero-grid,.device-layout{gap:32px}.security-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.masthead{min-height:68px}.brand-note,.brand-rule{display:none}.brand-name{font-size:28px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 24px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{text-align:center;padding:10px}.hero{padding:65px 0 75px}.hero-grid,.intro-grid,.device-layout{grid-template-columns:1fr}.hero-panel{max-width:540px}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:16px}.feature-grid,.quote-grid{grid-template-columns:1fr}.scene-grid{grid-template-columns:1fr}.flow{grid-template-columns:repeat(2,1fr)}.cta-box{display:block}.cta .button{margin-top:22px}}
    @media(max-width:520px){.container{padding:0 18px}.hero h1{font-size:42px}.hero-copy{font-size:16px}.hero-actions .button{width:100%}.intro-image img,.device-photo img{height:280px}.security-grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr}.sticky-inner span{font-size:12px}.sticky-inner .button{padding:10px 15px;font-size:13px}}