/* roulang page: index */
:root{
      --ink:#241f1a;
      --muted:#6f675e;
      --muted-2:#958b80;
      --dark:#15120f;
      --dark-2:#1d1915;
      --dark-soft:#2a211b;
      --amber:#f2a93b;
      --amber-2:#ffd27a;
      --wine:#7a2e2a;
      --paper:#f8f4ec;
      --paper-2:#fffaf1;
      --line:rgba(36,31,26,.11);
      --line-dark:rgba(255,248,237,.14);
      --white:#fff8ed;
      --shadow:0 16px 42px rgba(38,28,18,.12);
      --shadow-strong:0 24px 70px rgba(30,20,12,.20);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(242,169,59,.10), transparent 28%),
        linear-gradient(180deg,#fbf7ef 0%,var(--paper) 42%,#f4ede2 100%);
      line-height:1.72;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:2px solid var(--amber);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:#6e4513;background:rgba(242,169,59,.14);
      border:1px solid rgba(242,169,59,.30);
      border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700;
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px rgba(242,169,59,.16)}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px;
    }
    .section-title{margin:12px 0 0;font-size:clamp(28px,4vw,40px);line-height:1.18;letter-spacing:-.03em}
    .section-desc{max-width:620px;margin:12px 0 0;color:var(--muted);font-size:17px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      font-weight:800;letter-spacing:.01em;transition:var(--ease);
      border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--amber),var(--amber-2));color:#21160b;box-shadow:0 12px 28px rgba(242,169,59,.30)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,169,59,.38)}
    .btn-secondary{background:rgba(255,248,237,.08);color:var(--white);border-color:rgba(255,248,237,.22)}
    .btn-secondary:hover{border-color:rgba(242,169,59,.75);background:rgba(242,169,59,.12)}
    .btn-light{background:var(--paper-2);border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:rgba(242,169,59,.7);transform:translateY(-2px);box-shadow:var(--shadow)}
    .btn:active{transform:translateY(1px)}
    .site-header{
      position:fixed;top:0;left:0;right:0;z-index:50;
      background:rgba(21,18,15,.72);backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,248,237,.10);transition:var(--ease);
    }
    .site-header.is-scrolled{background:rgba(21,18,15,.96);box-shadow:0 18px 46px rgba(0,0,0,.22)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{
      display:flex;align-items:center;gap:12px;min-width:max-content;color:var(--white);font-weight:900;
      letter-spacing:-.02em;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:15px;
      background:linear-gradient(145deg,var(--amber),#b85d25 58%,var(--wine));
      display:grid;place-items:center;box-shadow:0 12px 30px rgba(242,169,59,.25);
      position:relative;overflow:hidden;
    }
    .logo-mark:before{content:"";position:absolute;inset:8px;border:1px solid rgba(21,18,15,.38);border-radius:10px}
    .logo-mark span{
      width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:12px solid #21160b;margin-left:3px;z-index:1;
    }
    .logo-text{font-size:18px}
    .desktop-nav{display:flex;align-items:center;gap:30px;color:rgba(255,248,237,.82);font-size:15px}
    .desktop-nav a{position:relative;padding:8px 0;transition:var(--ease)}
    .desktop-nav a:after{
      content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:999px;background:var(--amber);
      transform:translateX(-50%);transition:var(--ease);
    }
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--white)}
    .desktop-nav a:hover:after,.desktop-nav a.active:after{width:20px}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;background:rgba(255,248,237,.08);
      border:1px solid rgba(255,248,237,.18);color:var(--white);align-items:center;justify-content:center;
    }
    .menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{
      display:block;width:20px;height:2px;background:var(--white);border-radius:2px;position:relative;transition:var(--ease)
    }
    .menu-toggle i:before,.menu-toggle i:after{content:"";position:absolute;left:0}
    .menu-toggle i:before{top:-7px}.menu-toggle i:after{top:7px}
    .mobile-panel{
      display:none;background:rgba(21,18,15,.98);border-top:1px solid rgba(255,248,237,.10);
      padding:10px 20px 22px;
    }
    .mobile-panel a{display:flex;align-items:center;min-height:48px;color:var(--white);border-bottom:1px solid rgba(255,248,237,.10)}
    .mobile-panel .btn{margin-top:16px;width:100%}
    .hero{
      min-height:760px;padding:142px 0 72px;position:relative;overflow:hidden;color:var(--white);
      background:
        linear-gradient(100deg,rgba(21,18,15,.96) 0%,rgba(21,18,15,.84) 45%,rgba(21,18,15,.56) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 72% 30%,rgba(242,169,59,.30),transparent 28%),
        radial-gradient(circle at 18% 82%,rgba(122,46,42,.42),transparent 34%),
        linear-gradient(0deg,rgba(21,18,15,.88),transparent 30%);
      pointer-events:none;
    }
    .hero:after{
      content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
      background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 1px,transparent 1px 8px);
      mix-blend-mode:screen;
    }
    .hero-grid{
      position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;
    }
    .hero-copy{max-width:650px}
    .hero-kicker{
      display:inline-flex;gap:10px;align-items:center;margin-bottom:20px;
      padding:8px 14px;border-radius:999px;border:1px solid rgba(255,248,237,.18);
      background:rgba(255,248,237,.08);color:rgba(255,248,237,.88);font-weight:700;font-size:14px;
    }
    .hero-kicker b{color:var(--amber)}
    h1{
      margin:0;font-size:clamp(34px,5.6vw,58px);line-height:1.08;letter-spacing:-.055em;
    }
    .hero-copy p{margin:22px 0 0;color:rgba(255,248,237,.82);font-size:18px;max-width:610px}
    .hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
    .hero-badges{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:40px;max-width:640px;
    }
    .hero-badge{
      padding:16px;border-radius:18px;background:rgba(255,248,237,.08);border:1px solid rgba(255,248,237,.14);
      backdrop-filter:blur(12px);
    }
    .hero-badge strong{display:block;font-size:18px;color:var(--amber)}
    .hero-badge span{display:block;color:rgba(255,248,237,.68);font-size:13px;margin-top:3px}
    .cinema-board{
      position:relative;border-radius:32px;padding:18px;
      background:linear-gradient(145deg,rgba(255,248,237,.16),rgba(255,248,237,.05));
      border:1px solid rgba(255,248,237,.18);box-shadow:0 34px 90px rgba(0,0,0,.34);
      backdrop-filter:blur(14px);
    }
    .screen-card{
      border-radius:26px;overflow:hidden;background:#100e0c;border:1px solid rgba(255,248,237,.14);
    }
    .screen-media{
      aspect-ratio:16/9;position:relative;background:
        linear-gradient(135deg,rgba(21,18,15,.12),rgba(21,18,15,.72)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .screen-media .play{
      position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
      width:74px;height:74px;border-radius:50%;background:rgba(242,169,59,.92);
      display:grid;place-items:center;box-shadow:0 0 0 12px rgba(242,169,59,.18);
    }
    .screen-media .play:before{content:"";border-top:13px solid transparent;border-bottom:13px solid transparent;border-left:19px solid #21160b;margin-left:5px}
    .screen-meta{padding:18px;background:linear-gradient(180deg,#1d1915,#14110f)}
    .screen-meta-top{display:flex;justify-content:space-between;gap:12px;color:rgba(255,248,237,.72);font-size:13px;margin-bottom:14px}
    .signal{color:var(--amber);font-weight:800}
    .feed-row{display:grid;grid-template-columns:54px 1fr auto;gap:12px;align-items:center;padding:12px;border-radius:16px;background:rgba(255,248,237,.06);margin-top:10px}
    .thumb{width:54px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--wine),rgba(242,169,59,.45));position:relative;overflow:hidden}
    .thumb:after{content:"";position:absolute;inset:12px 18px;border-left:10px solid rgba(255,248,237,.82);border-top:7px solid transparent;border-bottom:7px solid transparent}
    .feed-row strong{display:block;font-size:14px;color:var(--white)}
    .feed-row small{display:block;color:rgba(255,248,237,.56)}
    .feed-row em{font-style:normal;color:var(--amber);font-size:12px;border:1px solid rgba(242,169,59,.36);border-radius:999px;padding:4px 8px}
    .search-strip{
      margin-top:-36px;position:relative;z-index:5;
    }
    .search-box{
      background:rgba(255,250,241,.94);border:1px solid rgba(36,31,26,.10);border-radius:24px;
      padding:16px;box-shadow:var(--shadow-strong);display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;
    }
    .search-field{display:flex;align-items:center;gap:12px;padding:0 10px}
    .search-field span{color:var(--amber);font-weight:900;font-size:20px}
    .search-field input{
      width:100%;border:0;background:transparent;color:var(--ink);outline:none;font-size:16px;
    }
    .search-field input::placeholder{color:#8e8377}
    .capsule-grid{
      display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
    }
    .capsule{
      min-height:116px;border-radius:22px;background:var(--paper-2);border:1px solid var(--line);
      padding:18px;box-shadow:0 10px 26px rgba(38,28,18,.06);transition:var(--ease);
    }
    .capsule:hover{transform:translateY(-4px);border-color:rgba(242,169,59,.62);box-shadow:var(--shadow)}
    .capsule-icon{
      width:38px;height:38px;border-radius:14px;background:rgba(242,169,59,.16);
      display:grid;place-items:center;color:#7a4a0d;font-weight:900;margin-bottom:13px;
    }
    .capsule strong{display:block;font-size:16px}
    .capsule span{display:block;font-size:13px;color:var(--muted);margin-top:5px;line-height:1.5}
    .experience{
      background:
        radial-gradient(circle at 12% 20%,rgba(242,169,59,.12),transparent 26%),
        linear-gradient(180deg,rgba(255,250,241,.72),rgba(248,244,236,.78));
    }
    .experience-grid{
      display:grid;grid-template-columns:.94fr 1.06fr;gap:44px;align-items:center;
    }
    .image-panel{
      position:relative;border-radius:30px;overflow:hidden;min-height:450px;box-shadow:var(--shadow-strong);
      background:linear-gradient(135deg,#261b16,#7a2e2a);
    }
    .image-panel img{width:100%;height:100%;min-height:450px;object-fit:cover;filter:saturate(.94) contrast(1.02)}
    .image-panel:after{
      content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(21,18,15,.70),transparent 58%);
    }
    .panel-note{
      position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
      background:rgba(21,18,15,.78);border:1px solid rgba(255,248,237,.16);
      border-radius:20px;padding:18px;color:var(--white);backdrop-filter:blur(12px);
    }
    .panel-note strong{color:var(--amber)}
    .steps{display:grid;gap:16px}
    .step{
      display:grid;grid-template-columns:52px 1fr;gap:16px;padding:20px;border-radius:22px;background:var(--paper-2);
      border:1px solid var(--line);box-shadow:0 12px 28px rgba(38,28,18,.07);transition:var(--ease);
    }
    .step:hover{transform:translateX(4px);border-color:rgba(242,169,59,.56)}
    .step-no{
      width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
      border:2px solid var(--amber);color:#8a530d;font-weight:900;background:rgba(242,169,59,.08);
    }
    .step h3{margin:0 0 5px;font-size:20px}
    .step p{margin:0;color:var(--muted)}
    .feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
    .feature-card{
      position:relative;overflow:hidden;border-radius:26px;padding:28px;background:var(--paper-2);
      border:1px solid var(--line);box-shadow:var(--shadow);transition:var(--ease);
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(242,169,59,.68);box-shadow:var(--shadow-strong)}
    .feature-card:before{
      content:"";position:absolute;right:-80px;top:-80px;width:190px;height:190px;border-radius:50%;
      background:radial-gradient(circle,rgba(242,169,59,.24),transparent 68%);
    }
    .feature-card.wide{min-height:360px;background:
      linear-gradient(110deg,rgba(21,18,15,.86),rgba(21,18,15,.48)),
      url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;color:var(--white);
    }
    .feature-stack{display:grid;gap:18px}
    .feature-card h3{margin:0;font-size:25px;line-height:1.25}
    .feature-card p{margin:12px 0 20px;color:var(--muted)}
    .feature-card.wide p{color:rgba(255,248,237,.78);max-width:560px}
    .feature-card a{font-weight:900;color:#84520f}
    .feature-card.wide a{color:var(--amber)}
    .play-corner{
      position:absolute;right:22px;bottom:22px;width:54px;height:54px;border-radius:18px;background:rgba(242,169,59,.20);
      border:1px solid rgba(242,169,59,.36);display:grid;place-items:center;
    }
    .play-corner:before{content:"";border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:13px solid var(--amber);margin-left:3px}
    .latest{background:linear-gradient(180deg,#211b16 0%,#15120f 100%);color:var(--white);position:relative;overflow:hidden}
    .latest:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 0%,rgba(242,169,59,.18),transparent 28%)}
    .latest .container{position:relative;z-index:1}
    .latest .section-desc{color:rgba(255,248,237,.68)}
    .latest-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
    .post-card{
      display:block;border-radius:24px;background:rgba(255,248,237,.08);
      border:1px solid rgba(255,248,237,.14);overflow:hidden;transition:var(--ease);
    }
    .post-card:hover{transform:translateY(-4px);border-color:rgba(242,169,59,.66);box-shadow:0 24px 64px rgba(0,0,0,.26)}
    .post-image{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--wine),rgba(242,169,59,.38));position:relative}
    .post-image img{width:100%;height:100%;object-fit:cover;transition:transform .36s ease}
    .post-card:hover .post-image img{transform:scale(1.04)}
    .post-body{padding:22px}
    .meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:rgba(255,248,237,.56);font-size:13px;margin-bottom:10px}
    .tag{
      display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;
      color:var(--amber);border:1px solid rgba(242,169,59,.36);background:rgba(242,169,59,.08);
      font-size:12px;font-weight:800;
    }
    .post-card h3{margin:0;font-size:25px;line-height:1.32;color:var(--white);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .post-card p{margin:12px 0 18px;color:rgba(255,248,237,.68);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .read-link{color:var(--amber);font-weight:900}
    .compact-list{display:grid;gap:12px}
    .compact-post{
      display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
      padding:18px;border-radius:20px;background:rgba(255,248,237,.07);border:1px solid rgba(255,248,237,.12);
      transition:var(--ease);
    }
    .compact-post:hover{background:rgba(255,248,237,.10);border-color:rgba(242,169,59,.58);transform:translateX(4px)}
    .compact-post h3{margin:6px 0 4px;font-size:18px;line-height:1.35;color:var(--white);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .compact-post p{margin:0;color:rgba(255,248,237,.58);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .compact-post .arrow{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:rgba(242,169,59,.12);color:var(--amber)}
    .empty-state{
      grid-column:1/-1;text-align:center;padding:52px 24px;border-radius:24px;
      background:rgba(255,248,237,.08);border:1px dashed rgba(255,248,237,.22);
      color:rgba(255,248,237,.72);
    }
    .empty-state .empty-icon{width:58px;height:58px;border-radius:22px;background:rgba(242,169,59,.14);display:grid;place-items:center;margin:0 auto 14px;color:var(--amber);font-size:26px}
    .trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .trust-item{
      border-radius:22px;padding:22px;background:var(--paper-2);border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(38,28,18,.06);
    }
    .trust-item strong{display:block;font-size:24px;color:#7a4a0d;margin-bottom:4px}
    .trust-item span{color:var(--muted);font-size:14px}
    .faq-wrap{max-width:920px;margin:0 auto;display:grid;gap:14px}
    .faq-item{
      background:var(--paper-2);border:1px solid var(--line);border-radius:20px;overflow:hidden;
      box-shadow:0 10px 24px rgba(38,28,18,.06);
    }
    .faq-q{
      width:100%;background:transparent;color:var(--ink);display:flex;align-items:center;justify-content:space-between;
      gap:18px;text-align:left;padding:20px 22px;font-weight:900;font-size:17px;
    }
    .faq-q span:last-child{
      width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(242,169,59,.14);color:#7a4a0d;flex:0 0 auto;transition:var(--ease)
    }
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted);background:linear-gradient(90deg,rgba(242,169,59,.10),transparent 44%)}
    .faq-item.open{border-color:rgba(242,169,59,.55)}
    .faq-item.open .faq-a{display:block;border-left:4px solid var(--amber);padding-left:18px;margin-left:22px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--amber);color:#21160b}
    .cta-band{
      border-radius:34px;padding:42px;overflow:hidden;position:relative;color:var(--white);
      background:
        linear-gradient(110deg,rgba(21,18,15,.94),rgba(21,18,15,.72)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
    }
    .cta-band:before{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:rgba(242,169,59,.22)}
    .cta-content{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-content h2{margin:0;font-size:clamp(27px,4vw,40px);line-height:1.2}
    .cta-content p{margin:12px 0 0;color:rgba(255,248,237,.72);max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{
      background:#15120f;color:rgba(255,248,237,.70);padding:64px 0 26px;border-top:1px solid rgba(255,248,237,.10);
    }
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:34px;margin-bottom:36px}
    .footer-logo{margin-bottom:14px}
    .footer-title{color:var(--white);font-weight:900;margin:0 0 12px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{transition:var(--ease)}
    .footer-links a:hover{color:var(--amber);transform:translateX(2px)}
    .footer-note{
      padding:14px;border-radius:16px;background:rgba(255,248,237,.06);border:1px solid rgba(255,248,237,.10);font-size:13px;
    }
    .copyright{padding-top:22px;border-top:1px solid rgba(255,248,237,.10);font-size:13px;color:rgba(255,248,237,.52);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
    @media (max-width:1024px){
      .desktop-nav,.nav-actions .btn{display:none}
      .menu-toggle{display:flex}
      .mobile-panel.open{display:block}
      .hero{min-height:auto;padding-top:126px}
      .hero-grid,.experience-grid,.latest-grid,.feature-layout{grid-template-columns:1fr}
      .cinema-board{max-width:680px}
      .capsule-grid{grid-template-columns:repeat(3,1fr)}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .section-head{display:block}
      .nav-wrap{height:68px}
      .logo-mark{width:38px;height:38px;border-radius:13px}
      .logo-text{font-size:16px}
      .hero{padding:106px 0 58px}
      .hero-copy p{font-size:16px}
      .hero-buttons,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .hero-badges{grid-template-columns:1fr}
      .search-box{grid-template-columns:1fr;padding:14px}
      .capsule-grid{
        display:flex;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;
      }
      .capsule{min-width:220px;scroll-snap-align:start}
      .image-panel,.image-panel img{min-height:320px}
      .latest-grid{gap:14px}
      .compact-post{grid-template-columns:1fr}
      .compact-post .arrow{display:none}
      .trust-row{grid-template-columns:1fr}
      .cta-band{padding:28px;border-radius:26px}
      .cta-content{display:block}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .section-title{font-size:27px}
      .hero-kicker{font-size:13px}
      .feed-row{grid-template-columns:44px 1fr}
      .feed-row em{grid-column:2}
      .thumb{width:44px;height:34px}
      .step{grid-template-columns:1fr}
      .post-card h3{font-size:21px}
    }

/* roulang page: article */
:root{
      --ink:#241f1a;
      --muted:#6f675e;
      --muted-2:#958b80;
      --dark:#15120f;
      --dark-2:#1d1915;
      --dark-soft:#2a211b;
      --amber:#f2a93b;
      --amber-2:#ffd27a;
      --wine:#7a2e2a;
      --paper:#f8f4ec;
      --paper-2:#fffaf1;
      --line:rgba(36,31,26,.11);
      --line-dark:rgba(255,248,237,.14);
      --white:#fff8ed;
      --shadow:0 16px 42px rgba(38,28,18,.12);
      --shadow-strong:0 24px 70px rgba(30,20,12,.20);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .24s ease;
    }
    html{scroll-behavior:smooth}
    *,*::before,*::after{box-sizing:border-box}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(242,169,59,.10), transparent 28%),
        linear-gradient(180deg,#fbf7ef 0%,var(--paper) 42%,#f4ede2 100%);
      line-height:1.72;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:#6e4513;background:rgba(242,169,59,.14);
      border:1px solid rgba(242,169,59,.30);
      border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700;
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px rgba(242,169,59,.16)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-title{margin:12px 0 0;font-size:clamp(28px,4vw,40px);line-height:1.18;letter-spacing:-.03em}
    .section-desc{max-width:620px;margin:12px 0 0;color:var(--muted);font-size:17px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      font-weight:800;letter-spacing:.01em;transition:var(--ease);
      border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--amber),var(--amber-2));color:#21160b;box-shadow:0 12px 28px rgba(242,169,59,.30)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,169,59,.38);color:#21160b}
    .btn-secondary{background:rgba(255,248,237,.08);color:var(--white);border-color:rgba(255,248,237,.22)}
    .btn-secondary:hover{border-color:rgba(242,169,59,.75);background:rgba(242,169,59,.12);color:var(--white)}
    .btn-light{background:var(--paper-2);border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:rgba(242,169,59,.7);transform:translateY(-2px);box-shadow:var(--shadow);color:var(--ink)}
    .btn:active{transform:translateY(1px)}
    .site-header{
      position:fixed;top:0;left:0;right:0;z-index:50;
      background:rgba(21,18,15,.72);backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,248,237,.10);transition:var(--ease);
    }
    .site-header.is-scrolled{background:rgba(21,18,15,.96);box-shadow:0 18px 46px rgba(0,0,0,.22)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:12px;min-width:max-content;color:var(--white);font-weight:900;letter-spacing:-.02em}
    .logo:hover{color:var(--white)}
    .logo-mark{
      width:42px;height:42px;border-radius:15px;
      background:linear-gradient(145deg,var(--amber),#b85d25 58%,var(--wine));
      display:grid;place-items:center;box-shadow:0 12px 30px rgba(242,169,59,.25);
      position:relative;overflow:hidden;
    }
    .logo-mark:before{content:"";position:absolute;inset:8px;border:1px solid rgba(21,18,15,.38);border-radius:10px}
    .logo-mark span{width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:12px solid #21160b;margin-left:3px;z-index:1}
    .logo-text{font-size:18px}
    .desktop-nav{display:flex;align-items:center;gap:30px;color:rgba(255,248,237,.82);font-size:15px}
    .desktop-nav a{position:relative;padding:8px 0;transition:var(--ease)}
    .desktop-nav a:after{
      content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:999px;background:var(--amber);
      transform:translateX(-50%);transition:var(--ease);
    }
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--white)}
    .desktop-nav a:hover:after,.desktop-nav a.active:after{width:20px}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;background:rgba(255,248,237,.08);
      border:1px solid rgba(255,248,237,.18);color:var(--white);align-items:center;justify-content:center;
    }
    .menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{
      display:block;width:20px;height:2px;background:var(--white);border-radius:2px;position:relative;transition:var(--ease)
    }
    .menu-toggle i:before,.menu-toggle i:after{content:"";position:absolute;left:0}
    .menu-toggle i:before{top:-7px}
    .menu-toggle i:after{top:7px}
    .site-header.menu-open .menu-toggle i{background:transparent}
    .site-header.menu-open .menu-toggle i:before{top:0;transform:rotate(45deg)}
    .site-header.menu-open .menu-toggle i:after{top:0;transform:rotate(-45deg)}
    .mobile-panel{
      display:none;background:rgba(21,18,15,.98);border-top:1px solid rgba(255,248,237,.10);
      padding:10px 20px 22px;
    }
    .mobile-panel a{display:flex;align-items:center;min-height:48px;color:var(--white);border-bottom:1px solid rgba(255,248,237,.10)}
    .mobile-panel .btn{margin-top:16px;width:100%}

    .article-hero{
      padding:132px 0 58px;
      color:var(--white);
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(115deg,rgba(21,18,15,.98) 0%,rgba(21,18,15,.90) 52%,rgba(21,18,15,.68) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .article-hero:before{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 76% 24%,rgba(242,169,59,.28),transparent 28%),
        radial-gradient(circle at 15% 90%,rgba(122,46,42,.42),transparent 32%),
        linear-gradient(0deg,rgba(21,18,15,.92),transparent 38%);
      pointer-events:none;
    }
    .article-hero:after{
      content:"";position:absolute;inset:0;opacity:.12;pointer-events:none;
      background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 1px,transparent 1px 9px);
    }
    .article-hero .container{position:relative;z-index:2}
    .breadcrumb-wrap{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      color:rgba(255,248,237,.70);
      font-size:14px;margin-bottom:28px;
    }
    .breadcrumb-wrap a{transition:var(--ease)}
    .breadcrumb-wrap a:hover{color:var(--amber)}
    .breadcrumb-sep{opacity:.45}
    .breadcrumb-current{
      max-width:520px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
      color:rgba(255,248,237,.92);
    }
    .article-head-grid{
      display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.62fr);
      gap:44px;align-items:center;
    }
    .article-kicker{
      display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px;
    }
    .tag{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:30px;padding:5px 12px;border-radius:999px;
      color:#ffd58a;background:rgba(242,169,59,.12);
      border:1px solid rgba(242,169,59,.38);
      font-size:13px;font-weight:800;
    }
    .meta{
      display:inline-flex;align-items:center;gap:9px;color:rgba(255,248,237,.70);
      font-size:14px;
    }
    .meta-dot{width:5px;height:5px;border-radius:50%;background:rgba(255,248,237,.45)}
    .article-title{
      margin:0;
      font-size:clamp(32px,5vw,54px);
      line-height:1.16;
      letter-spacing:-.045em;
      font-weight:900;
      color:var(--white);
      text-wrap:balance;
    }
    .article-summary{
      margin:22px 0 0;
      max-width:780px;
      color:rgba(255,248,237,.78);
      font-size:18px;
      line-height:1.85;
    }
    .article-cover-card{
      border-radius:var(--radius-xl);
      padding:12px;
      background:rgba(255,248,237,.08);
      border:1px solid rgba(255,248,237,.14);
      box-shadow:0 24px 76px rgba(0,0,0,.32);
      transform:rotate(1.4deg);
    }
    .article-cover{
      aspect-ratio:16/10;
      border-radius:22px;
      overflow:hidden;
      position:relative;
      background:linear-gradient(135deg,#2b2119,#7a2e2a 54%,#f2a93b);
    }
    .article-cover img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04)}
    .article-cover:after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 40%,rgba(21,18,15,.72));
      pointer-events:none;
    }
    .cover-badge{
      position:absolute;left:18px;bottom:18px;z-index:2;
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      color:var(--white);background:rgba(21,18,15,.72);
      border:1px solid rgba(255,248,237,.18);
      backdrop-filter:blur(10px);font-size:13px;font-weight:800;
    }
    .cover-badge:before{
      content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid var(--amber);
    }

    .article-main{padding:72px 0 92px}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) minmax(260px,1fr);
      gap:44px;
      align-items:start;
    }
    .article-panel{
      background:rgba(255,250,241,.82);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .reader-toolbar{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:18px 24px;
      border-bottom:1px solid var(--line);
      background:linear-gradient(135deg,rgba(242,169,59,.10),rgba(255,248,237,.72));
    }
    .reader-toolbar strong{font-size:15px}
    .reader-toolbar span{color:var(--muted);font-size:13px}
    .article-content{
      padding:34px 42px 46px;
      font-size:17px;
      line-height:1.88;
      color:var(--ink);
    }
    .article-content p{margin:0 0 1.18em}
    .article-content h2{
      margin:2.1em 0 .75em;
      font-size:clamp(24px,3vw,32px);
      line-height:1.28;
      letter-spacing:-.025em;
      font-weight:900;
      position:relative;
      padding-left:16px;
    }
    .article-content h2:before{
      content:"";position:absolute;left:0;top:.22em;width:5px;height:1.05em;
      border-radius:999px;background:linear-gradient(180deg,var(--amber),var(--wine));
    }
    .article-content h3{
      margin:1.7em 0 .65em;
      font-size:22px;
      line-height:1.35;
      font-weight:850;
    }
    .article-content ul,.article-content ol{padding-left:1.35em;margin:0 0 1.2em}
    .article-content li{margin:.4em 0}
    .article-content a{
      color:#7a4b10;
      text-decoration:underline;
      text-decoration-color:rgba(242,169,59,.65);
      text-decoration-thickness:2px;
      text-underline-offset:4px;
      transition:var(--ease);
    }
    .article-content a:hover{background:rgba(242,169,59,.14);border-radius:6px;color:#4c300d}
    .article-content blockquote{
      margin:1.6em 0;
      padding:18px 20px 18px 22px;
      border-left:5px solid var(--amber);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:rgba(36,31,26,.06);
      color:#3d352d;
    }
    .article-content img{
      width:100%;
      height:auto;
      border-radius:20px;
      margin:24px 0 10px;
      box-shadow:0 14px 34px rgba(38,28,18,.14);
    }
    .article-content figure{margin:28px 0}
    .article-content figcaption{
      margin-top:10px;
      text-align:center;
      color:var(--muted);
      font-size:14px;
    }
    .article-content hr{
      border:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--line),transparent);
      margin:32px 0;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:24px 0;
      overflow:hidden;
      border-radius:16px;
      display:block;
      overflow-x:auto;
      white-space:nowrap;
    }
    .article-content th,.article-content td{
      padding:12px 14px;border:1px solid var(--line);
      background:#fffdf8;
    }
    .article-content th{background:rgba(242,169,59,.14);font-weight:850}
    .article-content .notice,.article-content .tip{
      margin:22px 0;
      padding:18px 20px;
      border-radius:18px;
      border:1px solid rgba(242,169,59,.28);
      background:linear-gradient(135deg,rgba(242,169,59,.12),rgba(255,250,241,.96));
      color:#493729;
    }
    .not-found{
      padding:52px 34px;
      text-align:center;
    }
    .not-found-icon{
      width:78px;height:78px;border-radius:26px;margin:0 auto 20px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(242,169,59,.20),rgba(122,46,42,.10));
      border:1px solid rgba(242,169,59,.32);
    }
    .not-found-icon:before{
      content:"";width:0;height:0;border-top:12px solid transparent;border-bottom:12px solid transparent;border-left:18px solid var(--amber);
      margin-left:4px;
    }
    .not-found h1{font-size:34px;margin:0 0 12px;font-weight:900;letter-spacing:-.03em}
    .not-found p{color:var(--muted);margin:0 auto 24px;max-width:560px}

    .side-stack{position:sticky;top:100px;display:grid;gap:18px}
    .side-card{
      background:rgba(255,250,241,.78);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 34px rgba(38,28,18,.09);
      padding:22px;
    }
    .side-card.dark{
      color:var(--white);
      background:
        linear-gradient(145deg,rgba(21,18,15,.96),rgba(42,33,27,.94)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      border-color:rgba(255,248,237,.14);
      overflow:hidden;
      position:relative;
    }
    .side-card.dark:before{
      content:"";position:absolute;inset:0;
      background:radial-gradient(circle at 80% 12%,rgba(242,169,59,.25),transparent 34%);
      pointer-events:none;
    }
    .side-card.dark > *{position:relative;z-index:1}
    .side-title{margin:0 0 12px;font-size:18px;font-weight:900;letter-spacing:-.02em}
    .side-text{margin:0;color:var(--muted);font-size:14px;line-height:1.72}
    .side-card.dark .side-text{color:rgba(255,248,237,.76)}
    .mini-list{display:grid;gap:12px;margin-top:16px}
    .mini-item{
      display:flex;gap:12px;padding:12px;
      border-radius:16px;
      background:rgba(36,31,26,.045);
      transition:var(--ease);
    }
    .mini-item:hover{background:rgba(242,169,59,.13);transform:translateY(-2px)}
    .mini-num{
      flex:0 0 30px;width:30px;height:30px;border-radius:999px;
      display:grid;place-items:center;
      color:#5d390f;background:rgba(242,169,59,.18);
      border:1px solid rgba(242,169,59,.35);
      font-weight:900;font-size:13px;
    }
    .mini-item strong{display:block;font-size:14px;margin-bottom:2px}
    .mini-item span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
    .guide-links{display:grid;gap:10px;margin-top:14px}
    .guide-links a{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:12px 0;border-bottom:1px solid var(--line);
      color:#4d4136;font-weight:800;font-size:14px;
      transition:var(--ease);
    }
    .guide-links a:last-child{border-bottom:0}
    .guide-links a:after{content:"›";color:var(--amber);font-size:22px;line-height:1}
    .guide-links a:hover{color:#7a4b10;padding-left:4px}

    .related-section{padding:0 0 92px}
    .related-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:20px;
    }
    .related-card{
      min-height:220px;
      border-radius:var(--radius-lg);
      padding:24px;
      border:1px solid var(--line);
      background:rgba(255,250,241,.82);
      box-shadow:0 12px 34px rgba(38,28,18,.09);
      display:flex;flex-direction:column;justify-content:space-between;gap:22px;
      position:relative;overflow:hidden;
      transition:var(--ease);
    }
    .related-card:before{
      content:"";position:absolute;right:-60px;top:-70px;width:160px;height:160px;border-radius:50%;
      background:rgba(242,169,59,.12);
      pointer-events:none;
    }
    .related-card.featured{
      color:var(--white);
      background:
        linear-gradient(135deg,rgba(21,18,15,.94),rgba(122,46,42,.76)),
        url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
      border-color:rgba(255,248,237,.16);
    }
    .related-card:hover{transform:translateY(-4px);border-color:rgba(242,169,59,.55);box-shadow:var(--shadow)}
    .related-card h3{margin:0;font-size:22px;line-height:1.32;font-weight:900;letter-spacing:-.02em}
    .related-card p{margin:10px 0 0;color:var(--muted);font-size:15px}
    .related-card.featured p{color:rgba(255,248,237,.76)}
    .card-link{
      display:inline-flex;align-items:center;gap:8px;
      color:#74470d;font-weight:900;font-size:14px;
    }
    .related-card.featured .card-link{color:var(--amber-2)}
    .card-link:after{content:"→";transition:var(--ease)}
    .related-card:hover .card-link:after{transform:translateX(4px)}

    .faq-zone{
      padding:76px 0;
      background:
        linear-gradient(180deg,rgba(21,18,15,.02),rgba(122,46,42,.05));
      border-top:1px solid rgba(36,31,26,.06);
      border-bottom:1px solid rgba(36,31,26,.06);
    }
    .faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,250,241,.78);
      box-shadow:0 10px 28px rgba(38,28,18,.07);
    }
    .faq-question{
      width:100%;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;
      background:transparent;
      color:var(--ink);
      text-align:left;
      font-weight:900;
    }
    .faq-question span:first-child{display:flex;align-items:center;gap:12px}
    .faq-question span:first-child:before{
      content:"";width:8px;height:22px;border-radius:999px;background:var(--amber);
      opacity:.72;
    }
    .faq-icon{
      width:28px;height:28px;border-radius:999px;
      display:grid;place-items:center;
      background:rgba(242,169,59,.14);
      color:#6e4513;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px 42px;
      color:var(--muted);
      background:linear-gradient(90deg,rgba(242,169,59,.10),transparent);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(242,169,59,.26)}
    .cta-band{
      padding:74px 0;
    }
    .cta-inner{
      position:relative;overflow:hidden;
      border-radius:32px;
      padding:42px;
      color:var(--white);
      background:
        linear-gradient(135deg,rgba(21,18,15,.96),rgba(122,46,42,.78)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,248,237,.14);
      display:flex;align-items:center;justify-content:space-between;gap:34px;
    }
    .cta-inner:before{
      content:"";position:absolute;inset:0;
      background:radial-gradient(circle at 84% 22%,rgba(242,169,59,.30),transparent 30%);
      pointer-events:none;
    }
    .cta-inner > *{position:relative;z-index:1}
    .cta-inner h2{margin:0 0 10px;font-size:clamp(26px,4vw,38px);font-weight:900;letter-spacing:-.03em}
    .cta-inner p{margin:0;color:rgba(255,248,237,.76);max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

    .site-footer{
      background:var(--dark);
      color:rgba(255,248,237,.72);
      padding:64px 0 28px;
      border-top:1px solid rgba(255,248,237,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .75fr .75fr 1.1fr;
      gap:36px;
      padding-bottom:34px;
    }
    .footer-logo{margin-bottom:16px}
    .site-footer p{margin:0;color:rgba(255,248,237,.68)}
    .footer-title{
      color:var(--white)!important;
      font-weight:900;
      margin:4px 0 14px!important;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:rgba(255,248,237,.66);transition:var(--ease);width:max-content}
    .footer-links a:hover{color:var(--amber);transform:translateX(3px)}
    .footer-note{
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,248,237,.06);
      border:1px solid rgba(255,248,237,.10);
      color:rgba(255,248,237,.68);
      font-size:14px;
    }
    .copyright{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:24px;border-top:1px solid rgba(255,248,237,.10);
      color:rgba(255,248,237,.52);
      font-size:13px;
    }

    @media (max-width:1024px){
      .desktop-nav{gap:20px}
      .article-head-grid{grid-template-columns:1fr;gap:34px}
      .article-cover-card{max-width:560px;transform:none}
      .article-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:repeat(2,1fr)}
      .related-grid{grid-template-columns:1fr 1fr}
      .related-card.featured{grid-column:1/-1}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section,.article-main{padding:58px 0}
      .section-tight{padding:46px 0}
      .desktop-nav{display:none}
      .nav-actions .btn{display:none}
      .menu-toggle{display:flex}
      .site-header.menu-open .mobile-panel{display:block}
      .nav-wrap{height:68px}
      .logo-text{font-size:16px}
      .article-hero{padding:108px 0 44px}
      .article-summary{font-size:16px}
      .breadcrumb-current{max-width:260px}
      .reader-toolbar{align-items:flex-start;flex-direction:column;padding:16px 18px}
      .article-content{padding:28px 22px 34px;font-size:16px}
      .side-stack{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .related-card.featured{grid-column:auto}
      .cta-inner{padding:32px 24px;align-items:flex-start;flex-direction:column}
      .cta-actions,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:28px}
    }
    @media (max-width:520px){
      .logo-mark{width:38px;height:38px;border-radius:14px}
      .article-title{font-size:31px}
      .article-kicker{gap:9px}
      .meta{width:100%}
      .article-cover-card{padding:8px;border-radius:22px}
      .article-cover{border-radius:18px}
      .not-found{padding:42px 20px}
      .not-found h1{font-size:28px}
      .section-head{display:block}
      .btn{width:100%}
      .cta-inner{border-radius:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}