/* roulang page: index */
:root{
      --ink:#132320;
      --teal:#0F4F4A;
      --teal-2:#176B64;
      --amber:#C7893A;
      --amber-soft:#F2DFBC;
      --fog:#F4F1EA;
      --ivory:#FFFDF7;
      --graphite:#2E3230;
      --muted:#6E7772;
      --line:#DCE8E4;
      --line-strong:#C6D8D3;
      --white:#FFFFFF;
      --shadow-sm:0 10px 24px rgba(19,35,32,.08);
      --shadow-md:0 18px 44px rgba(19,35,32,.12);
      --shadow-lg:0 28px 70px rgba(19,35,32,.18);
      --radius-xl:22px;
      --radius-2xl:28px;
      --radius-3xl:36px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      background:
        radial-gradient(circle at 8% 2%, rgba(199,137,58,.14), transparent 30%),
        linear-gradient(180deg,var(--ivory) 0%,var(--fog) 56%,#EEF4F2 100%);
      color:var(--graphite);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.75;
      padding-bottom:92px;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.32;
      background-image:
        linear-gradient(rgba(15,79,74,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,79,74,.05) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, #000, transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(199,137,58,.28);color:var(--ink)}
    .site-container{
      width:min(100% - 40px, 1200px);
      margin-inline:auto;
    }
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--teal);
      background:rgba(220,232,228,.68);
      border:1px solid rgba(15,79,74,.12);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(199,137,58,.12);
    }
    .section-title{
      margin-top:18px;
      color:var(--ink);
      font-weight:800;
      letter-spacing:-.04em;
      line-height:1.14;
      font-size:clamp(28px,4vw,42px);
    }
    .section-desc{
      margin-top:16px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      max-width:760px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      border-radius:999px;
      padding:0 22px;
      font-weight:750;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), filter .22s var(--ease);
      white-space:nowrap;
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    .mobile-toggle:focus-visible,
    .faq-question:focus-visible,
    .quick-link:focus-visible,
    input:focus-visible{
      outline:3px solid rgba(199,137,58,.42);
      outline-offset:3px;
    }
    .btn-primary{
      color:#FFF8EA;
      background:linear-gradient(135deg,var(--teal) 0%,var(--ink) 72%,#2D2113 100%);
      box-shadow:0 14px 30px rgba(15,79,74,.22), inset 0 1px 0 rgba(255,255,255,.15);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 40px rgba(15,79,74,.28), inset 0 1px 0 rgba(255,255,255,.2);
      filter:brightness(1.06);
    }
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 20px rgba(15,79,74,.2)}
    .btn-outline{
      color:var(--ink);
      background:rgba(255,253,247,.82);
      border-color:rgba(15,79,74,.18);
      box-shadow:0 8px 18px rgba(19,35,32,.06);
    }
    .btn-outline:hover{
      color:var(--teal);
      border-color:rgba(15,79,74,.35);
      background:#fff;
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }
    .btn-outline:active{transform:translateY(0)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:750;
      color:var(--teal);
      background:rgba(220,232,228,.72);
      border:1px solid rgba(15,79,74,.12);
      line-height:1.2;
    }
    .badge-amber{
      color:#68410D;
      background:rgba(242,223,188,.76);
      border-color:rgba(199,137,58,.25);
    }
    .card{
      background:rgba(255,253,247,.88);
      border:1px solid rgba(15,79,74,.12);
      border-radius:var(--radius-2xl);
      box-shadow:var(--shadow-sm);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(15,79,74,.28);
      box-shadow:var(--shadow-md);
      background:#fff;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      background:rgba(255,253,247,.92);
      border-bottom:1px solid rgba(15,79,74,.12);
      backdrop-filter:saturate(160%) blur(18px);
    }
    .nav-wrap{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      border-radius:16px;
      padding:6px 8px 6px 0;
      transition:background .2s var(--ease), transform .2s var(--ease);
    }
    .brand:hover{background:rgba(220,232,228,.36);transform:translateY(-1px)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#FFF8EA;
      font-weight:900;
      background:linear-gradient(135deg,var(--teal),var(--ink) 70%);
      box-shadow:0 12px 25px rgba(15,79,74,.2);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:22px;
      height:22px;
      right:-6px;
      top:-6px;
      border-radius:999px;
      background:var(--amber);
      opacity:.85;
    }
    .brand-name{
      font-size:17px;
      font-weight:850;
      color:var(--ink);
      letter-spacing:-.02em;
      line-height:1.2;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .brand-sub{
      display:inline-flex;
      margin-left:2px;
      padding:3px 8px;
      border-radius:999px;
      background:rgba(199,137,58,.12);
      color:#7A4D13;
      font-size:12px;
      font-weight:750;
      vertical-align:middle;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid rgba(15,79,74,.10);
      background:rgba(244,241,234,.68);
      border-radius:999px;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:750;
      transition:color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
    }
    .nav-link:hover{
      color:var(--teal);
      background:rgba(220,232,228,.72);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:var(--ink);
      background:#fff;
      box-shadow:0 8px 18px rgba(19,35,32,.07);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:50%;
      transform:translateX(-50%);
      bottom:5px;
      width:18px;
      height:2px;
      border-radius:99px;
      background:var(--amber);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-mini{
      min-height:40px;
      padding:0 14px;
      border-radius:14px;
      border:1px solid rgba(15,79,74,.14);
      color:var(--teal);
      background:rgba(255,253,247,.78);
      font-size:13px;
      font-weight:800;
      transition:all .22s var(--ease);
    }
    .nav-mini:hover{
      background:rgba(220,232,228,.82);
      border-color:rgba(15,79,74,.28);
      transform:translateY(-1px);
      box-shadow:var(--shadow-sm);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border:none;
      border-radius:15px;
      color:var(--ink);
      background:rgba(220,232,228,.64);
      transition:all .2s var(--ease);
    }
    .mobile-toggle:hover{background:rgba(220,232,228,1);transform:translateY(-1px)}
    .mobile-panel{
      display:none;
      position:absolute;
      left:0;
      right:0;
      top:var(--header-h);
      background:rgba(255,253,247,.97);
      border-bottom:1px solid rgba(15,79,74,.12);
      box-shadow:0 22px 44px rgba(19,35,32,.12);
      padding:14px 20px 20px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:48px;
      padding:0 16px;
      border-radius:16px;
      font-weight:800;
      color:var(--ink);
      background:rgba(244,241,234,.62);
      margin-top:10px;
    }
    .mobile-panel a:hover{background:rgba(220,232,228,.82);color:var(--teal)}
    .hero{
      padding:54px 0 86px;
    }
    .coupon-stage{
      position:relative;
      overflow:hidden;
      border-radius:42px;
      background:
        radial-gradient(circle at 78% 18%, rgba(199,137,58,.34), transparent 26%),
        linear-gradient(135deg,var(--teal) 0%,var(--ink) 64%,#0B1715 100%);
      color:#FDF7EA;
      box-shadow:var(--shadow-lg);
      border:1px solid rgba(255,255,255,.14);
    }
    .coupon-stage::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.2;
      background-image:
        linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
      background-size:36px 36px;
    }
    .coupon-stage::after{
      content:"";
      position:absolute;
      width:440px;
      height:440px;
      border-radius:999px;
      right:-160px;
      bottom:-210px;
      background:rgba(255,253,247,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:32px;
      padding:34px;
      align-items:stretch;
    }
    .hero-copy{
      padding:28px 16px 28px 22px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,253,247,.11);
      border:1px solid rgba(255,255,255,.16);
      color:#F8E4BA;
      font-size:13px;
      font-weight:850;
    }
    .hero h1{
      margin:20px 0 0;
      font-size:clamp(36px,5.4vw,64px);
      line-height:1.04;
      letter-spacing:-.065em;
      font-weight:900;
      color:#FFFDF7;
    }
    .hero-lead{
      margin-top:20px;
      max-width:650px;
      color:rgba(255,253,247,.82);
      font-size:18px;
      line-height:1.88;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero .btn-outline{
      background:rgba(255,253,247,.1);
      color:#FFFDF7;
      border-color:rgba(255,255,255,.22);
      box-shadow:none;
    }
    .hero .btn-outline:hover{
      background:rgba(255,253,247,.18);
      color:#FFFDF7;
      border-color:rgba(255,255,255,.36);
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .hero-point{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
      color:rgba(255,253,247,.82);
      font-size:13px;
      font-weight:700;
    }
    .hero-point b{color:#F4C779}
    .coupon-wall{
      display:grid;
      grid-template-columns:1fr;
      gap:14px;
      align-content:center;
    }
    .main-coupon{
      position:relative;
      min-height:330px;
      border-radius:34px;
      background:
        radial-gradient(circle at 16% 22%, rgba(255,253,247,.92), rgba(255,253,247,.72) 36%, rgba(255,253,247,.64) 100%);
      color:var(--ink);
      border:1px solid rgba(255,255,255,.45);
      box-shadow:0 26px 64px rgba(0,0,0,.18);
      padding:28px;
      overflow:hidden;
    }
    .main-coupon::before,
    .main-coupon::after{
      content:"";
      position:absolute;
      top:50%;
      width:42px;
      height:42px;
      border-radius:999px;
      background:var(--ink);
      transform:translateY(-50%);
      opacity:.92;
    }
    .main-coupon::before{left:-21px}
    .main-coupon::after{right:-21px}
    .coupon-dash{
      position:absolute;
      top:0;
      bottom:0;
      right:118px;
      width:1px;
      background:repeating-linear-gradient(to bottom, rgba(15,79,74,.28) 0 10px, transparent 10px 18px);
    }
    .coupon-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .coupon-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#74480F;
      background:rgba(199,137,58,.16);
      border:1px solid rgba(199,137,58,.25);
      border-radius:999px;
      padding:7px 10px;
      font-size:12px;
      font-weight:850;
    }
    .coupon-code{
      font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
      color:rgba(19,35,32,.52);
      font-size:12px;
      font-weight:800;
    }
    .coupon-title{
      position:relative;
      z-index:1;
      margin-top:30px;
      color:var(--ink);
      font-size:34px;
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.05em;
      max-width:420px;
    }
    .coupon-text{
      position:relative;
      z-index:1;
      margin-top:14px;
      color:#55605B;
      line-height:1.85;
      max-width:420px;
    }
    .coupon-meta{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:24px;
      max-width:430px;
    }
    .coupon-meta span{
      border-radius:18px;
      padding:12px 10px;
      background:rgba(255,253,247,.7);
      border:1px solid rgba(15,79,74,.10);
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .coupon-meta b{
      display:block;
      color:var(--teal);
      font-size:18px;
      line-height:1.2;
      margin-bottom:2px;
    }
    .side-coupons{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .mini-coupon{
      border-radius:24px;
      padding:18px;
      background:rgba(255,253,247,.12);
      border:1px solid rgba(255,255,255,.14);
      color:rgba(255,253,247,.82);
      transition:all .22s var(--ease);
    }
    .mini-coupon:hover{
      background:rgba(255,253,247,.18);
      transform:translateY(-2px);
    }
    .mini-coupon b{
      display:block;
      color:#F6D08A;
      font-size:18px;
      margin-bottom:6px;
    }
    .screenshot-grid{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:center;
    }
    .stage-panel{
      position:relative;
      overflow:hidden;
      min-height:500px;
      border-radius:var(--radius-3xl);
      background:
        linear-gradient(180deg,rgba(255,253,247,.92),rgba(255,253,247,.76)),
        radial-gradient(circle at 20% 0%, rgba(199,137,58,.18), transparent 28%);
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-md);
      padding:26px;
    }
    .stage-toolbar{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:22px;
    }
    .dot{width:10px;height:10px;border-radius:99px;background:var(--line-strong)}
    .dot:nth-child(1){background:#C7893A}
    .dot:nth-child(2){background:#87AAA3}
    .dot:nth-child(3){background:#132320}
    .search-ui{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:54px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(15,79,74,.14);
      padding:0 16px;
      box-shadow:0 12px 26px rgba(19,35,32,.06);
      color:var(--muted);
      font-weight:700;
    }
    .filter-tags{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin:18px 0 20px;
    }
    .filter-tags span{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(220,232,228,.68);
      color:var(--teal);
      font-size:12px;
      font-weight:800;
    }
    .result-list{
      display:grid;
      gap:12px;
    }
    .result-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:14px;
      align-items:center;
      border-radius:22px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(15,79,74,.10);
      padding:18px;
      transition:all .22s var(--ease);
    }
    .result-item:hover{
      border-color:rgba(15,79,74,.28);
      transform:translateX(3px);
      box-shadow:var(--shadow-sm);
    }
    .result-item h3{
      margin:0 0 4px;
      color:var(--ink);
      font-size:18px;
      font-weight:850;
    }
    .result-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .result-arrow{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:rgba(199,137,58,.14);
      color:#7A4D13;
      font-weight:900;
    }
    .stage-note{
      position:absolute;
      left:26px;
      right:26px;
      bottom:26px;
      border-radius:24px;
      padding:18px;
      background:linear-gradient(135deg,var(--teal),var(--ink));
      color:rgba(255,253,247,.86);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 20px 42px rgba(15,79,74,.22);
    }
    .stage-note b{display:block;color:#F5CB80;margin-bottom:4px}
    .feature-strip{
      display:grid;
      gap:14px;
    }
    .feature-row{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:20px;
      border-radius:24px;
      background:rgba(255,253,247,.78);
      border:1px solid rgba(15,79,74,.12);
      transition:all .22s var(--ease);
    }
    .feature-row:hover{
      background:#fff;
      border-color:rgba(15,79,74,.26);
      box-shadow:var(--shadow-sm);
      transform:translateY(-2px);
    }
    .feature-icon{
      width:46px;
      height:46px;
      border-radius:17px;
      display:grid;
      place-items:center;
      background:rgba(199,137,58,.14);
      color:#7A4D13;
      font-weight:900;
      border:1px solid rgba(199,137,58,.2);
    }
    .feature-row h3{
      margin:0 0 4px;
      color:var(--ink);
      font-size:20px;
      font-weight:850;
    }
    .feature-row p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .steps-shell{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      margin-top:34px;
    }
    .step-card{
      position:relative;
      padding:26px;
      border-radius:var(--radius-2xl);
      background:#fff;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:all .22s var(--ease);
    }
    .step-card::before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:4px;
      background:linear-gradient(90deg,var(--teal),var(--amber));
      opacity:.85;
    }
    .step-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(15,79,74,.26);
    }
    .step-no{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--ink);
      color:#F6D08A;
      font-weight:900;
      margin-bottom:20px;
      box-shadow:0 14px 24px rgba(19,35,32,.16);
    }
    .step-card h3{
      color:var(--ink);
      font-size:22px;
      line-height:1.3;
      font-weight:850;
      margin:0 0 10px;
    }
    .step-card p{color:var(--muted);margin:0;line-height:1.8}
    .reviews{
      overflow:hidden;
    }
    .bubble-wall{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      margin-top:34px;
      align-items:stretch;
    }
    .review-main{
      padding:30px;
      border-radius:var(--radius-3xl);
      background:linear-gradient(135deg,var(--ink),var(--teal));
      color:rgba(255,253,247,.86);
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-md);
    }
    .review-main::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:999px;
      right:-90px;
      bottom:-130px;
      background:rgba(199,137,58,.18);
    }
    .review-main h3{
      position:relative;
      z-index:1;
      color:#FFFDF7;
      font-size:28px;
      line-height:1.28;
      font-weight:900;
      margin:0 0 16px;
    }
    .review-main p{
      position:relative;
      z-index:1;
      margin:0;
      line-height:1.9;
    }
    .review-bubbles{
      display:grid;
      gap:14px;
    }
    .bubble{
      display:flex;
      gap:13px;
      padding:18px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
      transition:all .22s var(--ease);
    }
    .bubble:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .avatar{
      width:42px;
      height:42px;
      border-radius:16px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      background:rgba(220,232,228,.78);
      color:var(--teal);
      font-weight:900;
      border:1px solid rgba(15,79,74,.12);
    }
    .bubble p{margin:0;color:var(--graphite);font-size:15px;line-height:1.75}
    .bubble b{display:block;color:var(--ink);margin-bottom:2px;font-size:14px}
    .media-scroll{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding:8px 2px 18px;
      scroll-snap-type:x mandatory;
      scrollbar-width:thin;
      scrollbar-color:var(--line-strong) transparent;
      margin-top:28px;
    }
    .media-card{
      min-width:280px;
      max-width:320px;
      scroll-snap-align:start;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:all .22s var(--ease);
    }
    .media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,79,74,.26)}
    .media-thumb{
      height:132px;
      background:
        linear-gradient(135deg,rgba(15,79,74,.88),rgba(19,35,32,.94)),
        radial-gradient(circle at 70% 20%, rgba(199,137,58,.75), transparent 34%);
      position:relative;
    }
    .media-thumb::before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:18px;
    }
    .media-body{padding:18px}
    .media-body h3{margin:10px 0 8px;color:var(--ink);font-size:18px;font-weight:850}
    .media-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .latest-layout{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      margin-top:34px;
      align-items:start;
    }
    .post-featured,
    .post-list-card{
      border-radius:var(--radius-3xl);
      background:#fff;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
    }
    .post-featured{
      padding:30px;
      min-height:100%;
      transition:all .22s var(--ease);
    }
    .post-featured:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,79,74,.28)}
    .post-featured h3{
      margin:18px 0 12px;
      color:var(--ink);
      font-size:28px;
      line-height:1.28;
      font-weight:900;
      letter-spacing:-.035em;
      transition:color .22s var(--ease);
    }
    .post-featured:hover h3{color:var(--teal)}
    .post-featured p{color:var(--muted);line-height:1.88;margin:0 0 22px}
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .post-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:22px;
      color:var(--teal);
      font-weight:850;
      transition:gap .22s var(--ease), color .22s var(--ease);
    }
    .post-link:hover{gap:13px;color:#7A4D13}
    .post-list-card{padding:14px}
    .post-item{
      display:block;
      padding:18px;
      border-radius:22px;
      transition:all .22s var(--ease);
      border:1px solid transparent;
    }
    .post-item + .post-item{margin-top:8px}
    .post-item:hover{
      background:rgba(244,241,234,.72);
      border-color:rgba(15,79,74,.12);
      transform:translateY(-2px);
    }
    .post-item h3{
      margin:10px 0 8px;
      color:var(--ink);
      font-size:20px;
      line-height:1.38;
      font-weight:850;
      transition:color .22s var(--ease);
    }
    .post-item:hover h3{color:var(--teal)}
    .post-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .empty-state{
      margin-top:34px;
      padding:36px 24px;
      border-radius:var(--radius-3xl);
      background:#fff;
      border:1px dashed rgba(15,79,74,.24);
      color:var(--muted);
      font-weight:800;
      text-align:center;
      box-shadow:var(--shadow-sm);
    }
    .trust-band{
      display:grid;
      grid-template-columns:1.1fr repeat(4,1fr);
      gap:14px;
      align-items:stretch;
      border-radius:var(--radius-3xl);
      padding:22px;
      background:linear-gradient(135deg,var(--ink),var(--teal));
      color:rgba(255,253,247,.82);
      box-shadow:var(--shadow-md);
      overflow:hidden;
      position:relative;
    }
    .trust-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 18% 20%, rgba(199,137,58,.22), transparent 28%);
      pointer-events:none;
    }
    .trust-copy,
    .metric{
      position:relative;
      z-index:1;
    }
    .trust-copy{
      padding:12px 16px;
    }
    .trust-copy h2{
      margin:0 0 10px;
      color:#FFFDF7;
      font-size:30px;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .trust-copy p{margin:0;line-height:1.85}
    .metric{
      border-radius:24px;
      padding:20px 16px;
      background:rgba(255,253,247,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .metric b{
      display:block;
      color:#F6D08A;
      font-size:30px;
      line-height:1.1;
      font-weight:950;
      margin-bottom:8px;
      letter-spacing:-.03em;
    }
    .metric span{display:block;color:rgba(255,253,247,.74);font-size:13px;line-height:1.55}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      overflow:hidden;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
      transition:all .22s var(--ease);
    }
    .faq-item.open{
      background:rgba(255,253,247,.96);
      border-color:rgba(199,137,58,.32);
      box-shadow:var(--shadow-md);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      background:transparent;
      border:0;
      color:var(--ink);
      font-weight:850;
      text-align:left;
    }
    .faq-icon{
      width:32px;
      height:32px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:rgba(220,232,228,.7);
      color:var(--teal);
      flex:0 0 auto;
      transition:all .22s var(--ease);
    }
    .faq-item.open .faq-icon{background:rgba(199,137,58,.16);color:#7A4D13;transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.85;
      border-left:4px solid var(--amber);
      margin-left:22px;
    }
    .faq-item.open .faq-answer{display:block}
    .entry-matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:30px;
    }
    .quick-link{
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
      transition:all .22s var(--ease);
    }
    .quick-link:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,79,74,.28)}
    .quick-link b{display:block;color:var(--ink);font-size:18px;margin-bottom:8px}
    .quick-link span{display:block;color:var(--muted);font-size:14px;line-height:1.65}
    .download-cta{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      border-radius:var(--radius-3xl);
      padding:36px;
      background:
        radial-gradient(circle at 82% 20%, rgba(199,137,58,.24), transparent 30%),
        linear-gradient(135deg,var(--teal),var(--ink));
      color:rgba(255,253,247,.84);
      box-shadow:var(--shadow-lg);
    }
    .download-cta h2{
      margin:0 0 12px;
      color:#FFFDF7;
      font-size:clamp(28px,4vw,42px);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.045em;
    }
    .download-cta p{margin:0;max-width:760px;line-height:1.85}
    .download-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer{
      background:#101C1A;
      color:rgba(255,253,247,.74);
      padding:62px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      color:#FFFDF7;
      font-weight:900;
      font-size:19px;
    }
    .footer p{margin:0;color:rgba(255,253,247,.66);line-height:1.85}
    .footer h3{
      margin:0 0 14px;
      color:#FFFDF7;
      font-size:16px;
      font-weight:850;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer a{
      color:rgba(255,253,247,.72);
      transition:color .2s var(--ease), transform .2s var(--ease);
      width:max-content;
    }
    .footer a:hover{color:#F6D08A;transform:translateX(2px)}
    .copyright{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(255,253,247,.48);
      font-size:13px;
    }
    .fixed-bar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:60;
      background:rgba(255,253,247,.94);
      border-top:1px solid rgba(15,79,74,.14);
      box-shadow:0 -16px 40px rgba(19,35,32,.12);
      backdrop-filter:saturate(160%) blur(18px);
      padding:12px 0 calc(12px + env(safe-area-inset-bottom));
    }
    .fixed-inner{
      width:min(100% - 40px, 980px);
      margin-inline:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .fixed-text{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      color:var(--ink);
      font-weight:850;
    }
    .fixed-text span{
      width:10px;
      height:10px;
      flex:0 0 auto;
      border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 6px rgba(199,137,58,.16);
    }
    .fixed-actions{
      display:flex;
      gap:10px;
      flex:0 0 auto;
    }
    @media (max-width:1100px){
      .hero-inner,
      .screenshot-grid,
      .latest-layout,
      .bubble-wall,
      .faq-wrap{
        grid-template-columns:1fr;
      }
      .coupon-stage{border-radius:34px}
      .trust-band{grid-template-columns:1fr 1fr}
      .entry-matrix{grid-template-columns:repeat(2,1fr)}
      .download-cta{grid-template-columns:1fr}
      .download-actions{justify-content:flex-start}
    }
    @media (max-width:860px){
      :root{--header-h:70px}
      body{padding-bottom:94px}
      .site-container{width:min(100% - 28px, 1200px)}
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .brand-name{max-width:58vw}
      .hero{padding:30px 0 64px}
      .hero-inner{padding:22px;gap:20px}
      .hero-copy{padding:18px 4px}
      .main-coupon{min-height:auto;padding:24px}
      .coupon-title{font-size:28px}
      .coupon-dash{display:none}
      .coupon-meta{grid-template-columns:1fr}
      .side-coupons{grid-template-columns:1fr}
      .section{padding:68px 0}
      .section-tight{padding:52px 0}
      .steps-shell{grid-template-columns:1fr}
      .feature-row{grid-template-columns:auto 1fr}
      .feature-row .badge{grid-column:2}
      .trust-band{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:560px){
      body{padding-bottom:104px}
      .site-container{width:min(100% - 24px, 1200px)}
      .coupon-stage{border-radius:28px}
      .hero h1{font-size:38px}
      .hero-lead{font-size:16px}
      .hero-actions .btn,
      .download-actions .btn{
        width:100%;
      }
      .stage-panel{padding:18px;border-radius:28px;min-height:560px}
      .result-item{grid-template-columns:1fr}
      .stage-note{left:18px;right:18px;bottom:18px}
      .latest-layout{gap:16px}
      .post-featured{padding:22px;border-radius:28px}
      .post-featured h3{font-size:23px}
      .entry-matrix{grid-template-columns:1fr}
      .download-cta{padding:24px;border-radius:28px}
      .fixed-inner{
        width:min(100% - 20px, 980px);
        gap:10px;
      }
      .fixed-text{
        display:none;
      }
      .fixed-actions{
        display:grid;
        grid-template-columns:1fr 1fr;
        width:100%;
      }
      .fixed-actions .btn{
        min-height:48px;
        padding:0 12px;
        font-size:14px;
      }
    }
    @media (max-width:420px){
      .brand-name{font-size:15px;max-width:64vw}
      .brand-sub{display:none}
      .hero-inner{padding:18px}
      .hero h1{font-size:34px}
      .main-coupon{border-radius:26px}
      .coupon-title{font-size:25px}
      .section-title{font-size:28px}
      .card,.step-card,.quick-link{border-radius:22px}
      .faq-question{padding:18px}
      .faq-answer{padding:0 18px 18px;margin-left:18px}
    }

/* roulang page: article */
:root{
      --ink:#132320;
      --teal:#0F4F4A;
      --teal-2:#176B64;
      --amber:#C7893A;
      --amber-soft:#F2DFBC;
      --fog:#F4F1EA;
      --ivory:#FFFDF7;
      --graphite:#2E3230;
      --muted:#6E7772;
      --line:#DCE8E4;
      --line-strong:#C6D8D3;
      --white:#FFFFFF;
      --shadow-sm:0 10px 24px rgba(19,35,32,.08);
      --shadow-md:0 18px 44px rgba(19,35,32,.12);
      --shadow-lg:0 28px 70px rgba(19,35,32,.18);
      --radius-xl:22px;
      --radius-2xl:28px;
      --radius-3xl:36px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      background:
        radial-gradient(circle at 10% 0%, rgba(199,137,58,.14), transparent 30%),
        radial-gradient(circle at 90% 18%, rgba(15,79,74,.10), transparent 30%),
        linear-gradient(180deg,var(--ivory) 0%,var(--fog) 58%,#EEF4F2 100%);
      color:var(--graphite);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.75;
      padding-bottom:92px;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.32;
      background-image:
        linear-gradient(rgba(15,79,74,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,79,74,.05) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, #000, transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(199,137,58,.28);color:var(--ink)}
    .site-container{
      width:min(100% - 40px, 1200px);
      margin-inline:auto;
    }
    .section{padding:86px 0;position:relative}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--teal);
      background:rgba(220,232,228,.68);
      border:1px solid rgba(15,79,74,.12);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(199,137,58,.12);
    }
    .section-title{
      margin-top:18px;
      color:var(--ink);
      font-weight:800;
      letter-spacing:-.04em;
      line-height:1.14;
      font-size:clamp(28px,4vw,42px);
    }
    .section-desc{
      margin-top:16px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      max-width:760px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      border-radius:999px;
      padding:0 22px;
      font-weight:750;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), filter .22s var(--ease);
      white-space:nowrap;
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    .mobile-toggle:focus-visible,
    .faq-question:focus-visible,
    .quick-link:focus-visible,
    .article-body a:focus-visible,
    input:focus-visible{
      outline:3px solid rgba(199,137,58,.42);
      outline-offset:3px;
    }
    .btn-primary{
      color:#FFF8EA;
      background:linear-gradient(135deg,var(--teal) 0%,var(--ink) 72%,#2D2113 100%);
      box-shadow:0 14px 30px rgba(15,79,74,.22), inset 0 1px 0 rgba(255,255,255,.15);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 40px rgba(15,79,74,.28), inset 0 1px 0 rgba(255,255,255,.2);
      filter:brightness(1.06);
    }
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 20px rgba(15,79,74,.2)}
    .btn-outline{
      color:var(--ink);
      background:rgba(255,253,247,.82);
      border-color:rgba(15,79,74,.18);
      box-shadow:0 8px 18px rgba(19,35,32,.06);
    }
    .btn-outline:hover{
      color:var(--teal);
      border-color:rgba(15,79,74,.35);
      background:#fff;
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }
    .btn-outline:active{transform:translateY(0)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:750;
      color:var(--teal);
      background:rgba(220,232,228,.72);
      border:1px solid rgba(15,79,74,.12);
      line-height:1.2;
    }
    .badge-amber{
      color:#68410D;
      background:rgba(242,223,188,.76);
      border-color:rgba(199,137,58,.25);
    }
    .card{
      background:rgba(255,253,247,.88);
      border:1px solid rgba(15,79,74,.12);
      border-radius:var(--radius-2xl);
      box-shadow:var(--shadow-sm);
      transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(15,79,74,.28);
      box-shadow:var(--shadow-md);
      background:#fff;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      background:rgba(255,253,247,.92);
      border-bottom:1px solid rgba(15,79,74,.12);
      backdrop-filter:saturate(160%) blur(18px);
    }
    .nav-wrap{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      border-radius:16px;
      padding:6px 8px 6px 0;
      transition:background .2s var(--ease), transform .2s var(--ease);
    }
    .brand:hover{background:rgba(220,232,228,.36);transform:translateY(-1px)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#FFF8EA;
      font-weight:900;
      background:linear-gradient(135deg,var(--teal),var(--ink) 70%);
      box-shadow:0 12px 25px rgba(15,79,74,.2);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:22px;
      height:22px;
      right:-6px;
      top:-6px;
      border-radius:999px;
      background:rgba(199,137,58,.75);
    }
    .brand-name{
      display:block;
      color:var(--ink);
      font-size:17px;
      line-height:1.15;
      font-weight:850;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:260px;
    }
    .brand-sub{
      display:inline-flex;
      margin-top:4px;
      color:var(--teal);
      font-size:12px;
      font-weight:750;
      border:1px solid rgba(15,79,74,.14);
      background:rgba(220,232,228,.52);
      padding:1px 8px;
      border-radius:999px;
      line-height:1.5;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:#3D4743;
      font-size:15px;
      font-weight:750;
      transition:background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
    }
    .nav-link:hover{background:rgba(220,232,228,.62);color:var(--teal);transform:translateY(-1px)}
    .nav-link.active{color:var(--teal);background:rgba(220,232,228,.72)}
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:5px;
      width:18px;
      height:3px;
      border-radius:999px;
      background:var(--amber);
      transform:translateX(-50%);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-mini{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border:1px solid rgba(15,79,74,.15);
      border-radius:999px;
      color:var(--ink);
      background:rgba(255,253,247,.76);
      font-size:13px;
      font-weight:760;
      transition:all .2s var(--ease);
    }
    .nav-mini:hover{
      color:var(--teal);
      border-color:rgba(15,79,74,.34);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transform:translateY(-1px);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid rgba(15,79,74,.15);
      border-radius:15px;
      color:var(--ink);
      background:rgba(255,253,247,.86);
      align-items:center;
      justify-content:center;
      transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
    }
    .mobile-toggle:hover{background:rgba(220,232,228,.7);color:var(--teal);border-color:rgba(15,79,74,.28)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(15,79,74,.1);
      background:rgba(255,253,247,.98);
      box-shadow:0 18px 34px rgba(19,35,32,.12);
      padding:10px 20px 18px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:46px;
      border-radius:16px;
      padding:0 14px;
      color:var(--ink);
      font-weight:760;
      border:1px solid transparent;
    }
    .mobile-panel a:hover{background:rgba(220,232,228,.62);border-color:rgba(15,79,74,.12);color:var(--teal)}
    .article-hero{
      position:relative;
      overflow:hidden;
      padding:64px 0 42px;
      background:
        linear-gradient(135deg,rgba(15,79,74,.10),rgba(255,253,247,.82) 45%,rgba(199,137,58,.12)),
        radial-gradient(circle at 78% 24%, rgba(199,137,58,.18), transparent 26%);
      border-bottom:1px solid rgba(15,79,74,.10);
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto -8% -50% auto;
      width:420px;
      height:420px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(15,79,74,.14), transparent 68%);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      margin-bottom:24px;
    }
    .breadcrumb a{
      color:var(--teal);
      border-radius:999px;
      padding:3px 8px;
      transition:background .2s var(--ease), color .2s var(--ease);
    }
    .breadcrumb a:hover{background:rgba(220,232,228,.72);color:var(--ink)}
    .article-title-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:34px;
      align-items:end;
      position:relative;
      z-index:1;
    }
    .article-title{
      margin:18px 0 18px;
      color:var(--ink);
      font-size:clamp(34px,5vw,58px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:850;
      max-width:920px;
    }
    .article-summary{
      max-width:820px;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:24px;
    }
    .vertical-visual{
      min-height:360px;
      border-radius:34px;
      background:
        linear-gradient(155deg,rgba(19,35,32,.98),rgba(15,79,74,.95) 62%,rgba(47,37,22,.96)),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
      color:#F8F0DE;
      box-shadow:var(--shadow-lg);
      padding:22px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
    }
    .vertical-visual::before{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:27px;
      pointer-events:none;
    }
    .visual-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .signal-dot{
      display:flex;
      gap:6px;
    }
    .signal-dot span{
      width:8px;
      height:8px;
      border-radius:50%;
      background:rgba(255,253,247,.44);
    }
    .signal-dot span:first-child{background:var(--amber)}
    .visual-search{
      margin-top:34px;
      position:relative;
      z-index:1;
      border-radius:18px;
      padding:12px 14px;
      background:rgba(255,253,247,.10);
      border:1px solid rgba(255,255,255,.14);
      color:rgba(255,253,247,.82);
      font-size:14px;
    }
    .visual-list{
      margin-top:22px;
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .visual-item{
      padding:14px;
      border-radius:18px;
      background:rgba(255,253,247,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .visual-line{
      height:8px;
      border-radius:999px;
      background:rgba(255,253,247,.32);
      margin-bottom:9px;
    }
    .visual-line.short{width:58%}
    .visual-line.mid{width:78%}
    .visual-kpi{
      position:absolute;
      right:22px;
      bottom:22px;
      z-index:1;
      border-radius:18px;
      padding:12px 14px;
      color:#3B250A;
      background:linear-gradient(135deg,#F7E7C8,var(--amber-soft));
      border:1px solid rgba(199,137,58,.35);
      box-shadow:0 18px 35px rgba(0,0,0,.14);
      font-size:13px;
      font-weight:800;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0, 830px) 320px;
      gap:34px;
      align-items:start;
      padding-top:42px;
    }
    .article-card{
      background:rgba(255,253,247,.96);
      border:1px solid rgba(15,79,74,.12);
      border-radius:var(--radius-3xl);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .article-cover{
      min-height:210px;
      background:
        linear-gradient(135deg,rgba(15,79,74,.94),rgba(19,35,32,.98)),
        radial-gradient(circle at 70% 28%, rgba(199,137,58,.32), transparent 28%);
      position:relative;
      padding:32px;
      color:#FFF8EA;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
    }
    .article-cover::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.24) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.24) 1px,transparent 1px);
      background-size:30px 30px;
      mask-image:linear-gradient(120deg,#000,transparent 78%);
    }
    .cover-text,.cover-badges{position:relative;z-index:1}
    .cover-text strong{
      display:block;
      font-size:22px;
      font-weight:850;
      margin-bottom:6px;
    }
    .cover-text span{
      color:rgba(255,253,247,.76);
      font-size:14px;
    }
    .cover-badges{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:8px;
    }
    .cover-badges .badge{
      background:rgba(255,253,247,.12);
      color:#FFF8EA;
      border-color:rgba(255,255,255,.18);
    }
    .article-body{
      padding:38px 42px 44px;
      color:#35403B;
      font-size:17px;
      line-height:1.88;
      overflow-wrap:anywhere;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body > *:last-child{margin-bottom:0}
    .article-body p{margin:0 0 1.22em}
    .article-body h2{
      position:relative;
      color:var(--ink);
      font-size:clamp(24px,3vw,32px);
      line-height:1.25;
      font-weight:820;
      letter-spacing:-.025em;
      margin:2.1em 0 .75em;
      padding-left:18px;
    }
    .article-body h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.18em;
      width:5px;
      height:1.05em;
      border-radius:999px;
      background:linear-gradient(180deg,var(--amber),var(--teal));
    }
    .article-body h3{
      color:var(--teal);
      font-size:22px;
      line-height:1.35;
      font-weight:780;
      margin:1.8em 0 .7em;
    }
    .article-body h4{
      color:var(--ink);
      font-size:18px;
      font-weight:800;
      margin:1.55em 0 .55em;
    }
    .article-body a{
      color:var(--teal);
      font-weight:760;
      border-bottom:1px solid rgba(199,137,58,.45);
      transition:color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }
    .article-body a:hover{
      color:#8A581D;
      border-color:var(--amber);
      background:rgba(242,223,188,.28);
    }
    .article-body ul,.article-body ol{
      margin:1em 0 1.35em;
      padding-left:1.35em;
    }
    .article-body li{margin:.45em 0;padding-left:.15em}
    .article-body li::marker{color:var(--amber);font-weight:800}
    .article-body blockquote{
      margin:1.6em 0;
      padding:22px 24px;
      border-left:5px solid var(--amber);
      border-radius:0 22px 22px 0;
      background:rgba(220,232,228,.56);
      color:#35403B;
      font-weight:650;
    }
    .article-body img{
      max-width:100%;
      height:auto;
      border-radius:24px;
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
      margin:1.6em auto;
    }
    .article-body figure{margin:1.8em 0}
    .article-body figcaption{
      margin-top:10px;
      color:var(--muted);
      font-size:14px;
      text-align:center;
    }
    .article-body hr{
      border:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
      margin:2.2em 0;
    }
    .article-body code{
      border-radius:8px;
      padding:.14em .42em;
      color:#72460D;
      background:rgba(242,223,188,.55);
      border:1px solid rgba(199,137,58,.16);
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
      font-size:.92em;
    }
    .article-body pre{
      overflow:auto;
      border-radius:22px;
      padding:20px;
      background:#10201D;
      color:#F8F0DE;
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-sm);
      margin:1.6em 0;
    }
    .article-body pre code{
      padding:0;
      background:transparent;
      border:0;
      color:inherit;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.6em 0;
      overflow:hidden;
      border:1px solid rgba(15,79,74,.14);
      border-radius:20px;
      display:block;
      overflow-x:auto;
      background:#fff;
    }
    .article-body thead{background:rgba(220,232,228,.72)}
    .article-body th,.article-body td{
      min-width:140px;
      padding:13px 15px;
      border-bottom:1px solid rgba(15,79,74,.10);
      text-align:left;
      vertical-align:top;
    }
    .article-body th{
      color:var(--ink);
      font-weight:800;
    }
    .article-body tr:last-child td{border-bottom:0}
    .empty-state{
      padding:42px;
      text-align:center;
    }
    .empty-icon{
      width:72px;
      height:72px;
      margin:0 auto 18px;
      display:grid;
      place-items:center;
      border-radius:24px;
      color:var(--teal);
      background:rgba(220,232,228,.78);
      border:1px solid rgba(15,79,74,.12);
      font-size:30px;
      font-weight:900;
    }
    .empty-state h2{
      color:var(--ink);
      font-size:28px;
      font-weight:820;
      margin:0 0 10px;
    }
    .empty-state p{
      color:var(--muted);
      margin:0 auto 24px;
      max-width:520px;
    }
    .side-stack{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:24px;
      background:rgba(255,253,247,.9);
      border:1px solid rgba(15,79,74,.12);
      border-radius:var(--radius-2xl);
      box-shadow:var(--shadow-sm);
    }
    .side-card h2,.side-card h3{
      margin:0 0 14px;
      color:var(--ink);
      font-size:20px;
      font-weight:820;
      letter-spacing:-.02em;
    }
    .info-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .info-list li{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
      border-bottom:1px solid rgba(15,79,74,.10);
      color:var(--muted);
      font-size:14px;
    }
    .info-list li:last-child{border-bottom:0}
    .info-list strong{
      color:var(--ink);
      font-weight:780;
      white-space:nowrap;
    }
    .quick-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(15,79,74,.12);
      background:rgba(220,232,228,.36);
      color:var(--ink);
      font-weight:760;
      transition:all .22s var(--ease);
    }
    .quick-link:hover{
      color:var(--teal);
      background:#fff;
      border-color:rgba(15,79,74,.26);
      transform:translateX(3px);
      box-shadow:var(--shadow-sm);
    }
    .notice-box{
      border-radius:22px;
      padding:18px;
      background:linear-gradient(135deg,rgba(242,223,188,.72),rgba(255,253,247,.82));
      border:1px solid rgba(199,137,58,.22);
      color:#594422;
      font-size:14px;
      line-height:1.75;
    }
    .pull-quote{
      margin:22px 0 0;
      padding:22px 24px;
      border-radius:var(--radius-2xl);
      background:linear-gradient(135deg,rgba(15,79,74,.96),rgba(19,35,32,.98));
      color:#FFF8EA;
      box-shadow:var(--shadow-md);
      position:relative;
      overflow:hidden;
    }
    .pull-quote::after{
      content:"”";
      position:absolute;
      right:18px;
      bottom:-28px;
      color:rgba(199,137,58,.28);
      font-size:110px;
      font-family:Georgia,serif;
      line-height:1;
    }
    .pull-quote p{
      position:relative;
      z-index:1;
      margin:0;
      font-size:17px;
      line-height:1.85;
      font-weight:680;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      align-items:stretch;
      margin-top:28px;
    }
    .guide-panel{
      padding:28px;
      border-radius:var(--radius-3xl);
      background:rgba(255,253,247,.9);
      border:1px solid rgba(15,79,74,.12);
      box-shadow:var(--shadow-sm);
    }
    .guide-steps{
      display:grid;
      gap:16px;
      margin-top:20px;
    }
    .guide-step{
      display:grid;
      grid-template-columns:46px 1fr;
      gap:14px;
      align-items:start;
    }
    .guide-no{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#FFF8EA;
      font-weight:850;
      background:linear-gradient(135deg,var(--teal),var(--ink));
      box-shadow:0 12px 24px rgba(15,79,74,.16);
    }
    .guide-step h3{
      margin:0 0 4px;
      color:var(--ink);
      font-size:18px;
      font-weight:820;
    }
    .guide-step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .latest-mini{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .latest-mini a{
      display:block;
      padding:16px;
      border-radius:20px;
      background:rgba(220,232,228,.38);
      border:1px solid rgba(15,79,74,.10);
      transition:all .22s var(--ease);
    }
    .latest-mini a:hover{
      background:#fff;
      border-color:rgba(15,79,74,.25);
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }
    .latest-mini strong{
      display:block;
      color:var(--ink);
      font-size:16px;
      line-height:1.45;
      margin-top:8px;
    }
    .latest-mini span{
      color:var(--muted);
      font-size:13px;
    }
    .faq-list{
      display:grid;
      gap:14px;
      margin-top:28px;
      max-width:900px;
    }
    .faq-item{
      border-radius:24px;
      border:1px solid rgba(15,79,74,.12);
      background:rgba(255,253,247,.9);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 22px;
      text-align:left;
      color:var(--ink);
      font-weight:800;
      background:transparent;
      border:0;
      transition:background .2s var(--ease), color .2s var(--ease);
    }
    .faq-question:hover{background:rgba(220,232,228,.38);color:var(--teal)}
    .faq-icon{
      width:28px;
      height:28px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(242,223,188,.75);
      color:#6A430E;
      font-weight:900;
      flex:0 0 auto;
      transition:transform .22s var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      line-height:1.85;
      border-left:4px solid var(--amber);
      margin:0 18px 18px;
      background:rgba(220,232,228,.28);
      border-radius:0 18px 18px 0;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta-band{
      overflow:hidden;
      border-radius:var(--radius-3xl);
      padding:34px;
      color:#FFF8EA;
      background:
        radial-gradient(circle at 85% 18%, rgba(199,137,58,.34), transparent 28%),
        linear-gradient(135deg,var(--teal),var(--ink) 76%);
      box-shadow:var(--shadow-lg);
      border:1px solid rgba(255,255,255,.12);
      position:relative;
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.16;
      background-image:
        linear-gradient(rgba(255,255,255,.24) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.24) 1px,transparent 1px);
      background-size:32px 32px;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:26px;
    }
    .cta-band h2{
      margin:0 0 10px;
      font-size:clamp(26px,3.6vw,40px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.035em;
    }
    .cta-band p{
      margin:0;
      color:rgba(255,253,247,.76);
      max-width:720px;
      line-height:1.85;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      flex:0 0 auto;
    }
    .cta-band .btn-outline{
      background:rgba(255,253,247,.12);
      color:#FFF8EA;
      border-color:rgba(255,255,255,.24);
    }
    .cta-band .btn-outline:hover{
      color:#FFF8EA;
      background:rgba(255,253,247,.18);
      border-color:rgba(255,255,255,.42);
    }
    .footer{
      background:linear-gradient(180deg,#10201D,#0B1715);
      color:rgba(255,253,247,.78);
      padding:64px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .footer::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.12;
      background-image:
        radial-gradient(circle at 18% 12%, rgba(199,137,58,.7), transparent 22%),
        linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
      background-size:auto, 38px 38px, 38px 38px;
    }
    .footer .site-container{position:relative;z-index:1}
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr 1fr;
      gap:38px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#FFF8EA;
      font-weight:850;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer p{
      margin:0;
      color:rgba(255,253,247,.68);
      line-height:1.85;
      font-size:14px;
      max-width:520px;
    }
    .footer h3{
      margin:0 0 14px;
      color:#FFF8EA;
      font-size:16px;
      font-weight:820;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer a{
      color:rgba(255,253,247,.74);
      transition:color .2s var(--ease), transform .2s var(--ease);
    }
    .footer a:hover{color:var(--amber-soft);transform:translateX(2px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,253,247,.48);
      font-size:13px;
    }
    .bottom-bar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:45;
      background:rgba(255,253,247,.94);
      border-top:1px solid rgba(15,79,74,.14);
      box-shadow:0 -14px 34px rgba(19,35,32,.12);
      backdrop-filter:saturate(160%) blur(18px);
    }
    .bottom-inner{
      width:min(100% - 40px, 1200px);
      margin-inline:auto;
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .bottom-tip{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--ink);
      font-weight:780;
      min-width:0;
    }
    .bottom-tip span:first-child{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 7px rgba(199,137,58,.13);
      flex:0 0 auto;
    }
    .bottom-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    @media (max-width:1100px){
      .article-title-wrap{grid-template-columns:1fr}
      .vertical-visual{max-width:420px;min-height:300px}
      .article-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:900px){
      :root{--header-h:70px}
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:flex}
      .site-container{width:min(100% - 32px, 1200px)}
      .article-hero{padding:44px 0 34px}
      .section{padding:66px 0}
      .guide-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1/-1}
    }
    @media (max-width:720px){
      body{padding-bottom:86px}
      .brand-name{max-width:190px}
      .article-title{font-size:clamp(34px,10vw,42px)}
      .article-summary{font-size:16px}
      .vertical-visual{min-height:280px}
      .article-cover{
        min-height:190px;
        padding:24px;
        align-items:flex-start;
        flex-direction:column;
      }
      .article-body{padding:28px 22px 34px;font-size:16px}
      .side-stack{grid-template-columns:1fr}
      .guide-panel{padding:22px}
      .cta-band{padding:26px 22px}
      .cta-actions,.bottom-actions{width:100%}
      .cta-actions .btn{flex:1}
      .footer{padding-bottom:28px}
      .footer-grid{grid-template-columns:1fr}
      .bottom-inner{
        width:min(100% - 24px,1200px);
        min-height:72px;
        gap:10px;
      }
      .bottom-tip{display:none}
      .bottom-actions .btn{
        min-height:46px;
        padding:0 14px;
        flex:1;
        font-size:14px;
      }
    }
    @media (max-width:420px){
      .site-container{width:min(100% - 24px, 1200px)}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-name{max-width:160px;font-size:15px}
      .article-body{padding:24px 18px 30px}
      .meta-row{gap:8px}
      .badge{font-size:11px;padding:6px 9px}
      .btn{width:100%}
      .bottom-actions{gap:8px}
      .bottom-actions .btn{width:auto}
    }