/* roulang page: index */
:root{
    --cream:#FBF6EE; --sand:#F3E9D9; --cocoa:#2E2118; --honey:#D4932B;
    --honeydeep:#B8741F; --peach:#CB583E; --ink:#2B1F17; --muted:#6E5A4C;
    --hairline:#E4D3BC;
    --radius-lg:1.25rem; --radius-md:0.9rem;
    --shadow-warm:0 20px 55px -30px rgba(70,35,15,.32);
    --shadow-soft:0 12px 40px -28px rgba(60,35,15,.28);
  }
  html{scroll-behavior:smooth}
  body{background:var(--cream); color:var(--ink); font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',-apple-system,sans-serif;}
  *{box-sizing:border-box}
  img{max-width:100%; display:block}
  a{color:inherit; text-decoration:none}
  button,input,select,textarea{font:inherit; color:inherit}
  .container-page{max-width:1200px; margin-inline:auto; padding-inline:1.25rem}
  .container-page-lg{max-width:1320px; margin-inline:auto; padding-inline:1.25rem}
  @media(min-width:768px){ .container-page,.container-page-lg{padding-inline:2rem} }
  .section-space{padding-block:5rem}
  @media(min-width:1024px){ .section-space{padding-block:7rem} }

  .nav-wrap{background:rgba(251,246,238,.82); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px)}
  .nav-link{position:relative; padding:.7rem .2rem; font-size:.95rem; font-weight:600; color:var(--ink); transition:color .2s}
  .nav-link:hover{color:var(--honeydeep)}
  .nav-link.active{color:var(--honeydeep)}
  .nav-link.active:after{content:""; position:absolute; left:0; right:0; bottom:0; height:2px; border-radius:2px; background:var(--honey); transform:translateY(-2px)}
  .btn{display:inline-flex; align-items:center; justify-content:center; gap:.5rem; border-radius:999px; font-weight:700; transition:all .25s ease; border:1px solid transparent; cursor:pointer; line-height:1; text-align:center}
  .btn:active{transform:scale(.98)}
  .btn-primary{background:var(--honey); color:#fff}
  .btn-primary:hover{background:var(--honeydeep); box-shadow:0 16px 30px -16px rgba(212,147,43,.7)}
  .btn-cocoa{background:var(--cocoa); color:#fff}
  .btn-cocoa:hover{background:#3d2d22}
  .btn-outline{border-color:var(--honey); color:var(--honeydeep); background:transparent}
  .btn-outline:hover{background:rgba(212,147,43,.1); border-color:var(--honeydeep)}
  .btn-white{background:#fff; color:var(--ink); border-color:var(--hairline)}
  .btn-white:hover{background:var(--sand); border-color:var(--honey)}
  .btn-peach{background:var(--peach); color:#fff}
  .btn-peach:hover{background:#b04a31}
  .text-h2{font-weight:800; line-height:1.18; letter-spacing:-.01em}
  .eyebrow{font-weight:600; color:var(--honeydeep); display:inline-flex; align-items:center; gap:.4rem}
  .eyebrow:before{content:""; width:24px; height:2px; background:var(--honey); border-radius:2px; display:inline-block}

  .hero-title{line-height:1.1; font-weight:800; letter-spacing:-.02em}
  .card-warm{background:#fff; border:1px solid rgba(228,211,188,.7); border-radius:var(--radius-lg); box-shadow:var(--shadow-soft)}
  .card-hover{transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease}
  .card-hover:hover{transform:translateY(-5px); box-shadow:var(--shadow-warm); border-color:rgba(212,147,43,.45)}
  .icon-arrow{transition:transform .25s ease}
  .list-link:hover .icon-arrow{transform:translateX(4px)}
  .fade-up{opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease}
  .fade-up.in-view{opacity:1; transform:translateY(0)}
  .delay-100{transition-delay:.08s}
  .delay-200{transition-delay:.16s}
  .delay-300{transition-delay:.24s}
  .delay-400{transition-delay:.32s}

  .metric-num{font-size:clamp(2.3rem,4.4vw,4rem); font-weight:800; line-height:1; letter-spacing:-.04em; font-variant-numeric:tabular-nums}
  .comparison-good{background:linear-gradient(105deg,#f8ecd9,#fbf6ee)}

  .btn-focus:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{outline:3px solid rgba(212,147,43,.5); outline-offset:2px; border-radius:6px}
  .details-card summary::-webkit-details-marker{display:none}
  .details-card summary{list-style:none; cursor:pointer}
  .details-card .chevron{transition:transform .3s ease}
  .details-card[open] .chevron{transform:rotate(45deg)}
  .details-card[open]{border-color:rgba(212,147,43,.55)}

  .input-style{width:100%; border-radius:.85rem; border:1px solid var(--hairline); background:#fff; padding:.85rem 1rem; transition:border-color .2s, box-shadow .2s; color:var(--ink)}
  .input-style:focus{outline:none; border-color:var(--honey); box-shadow:0 0 0 4px rgba(212,147,43,.14)}
  .label-style{display:block; font-weight:600; font-size:.9rem; margin-bottom:.45rem; color:var(--ink)}

  .divider-line{border-top:1px solid var(--hairline)}
  .footer-link{color:#D8C9B8; transition:color .2s}
  .footer-link:hover{color:var(--honey)}
  .bg-hero-panel{background:linear-gradient(145deg,#241811,#3a2a1d)}
  .bg-form-deep{background:linear-gradient(140deg,#251a12,#32241a)}
  .shadow-image{box-shadow:0 24px 60px -30px rgba(30,15,5,.45)}
  .section-bg-wave{position:relative}

  @media (max-width:1023px){
    .mobile-menu{display:none; position:absolute; left:1rem; right:1rem; top:100%; background:#fff; border-radius:1.2rem; border:1px solid var(--hairline); padding:1rem; box-shadow:var(--shadow-warm)}
    .mobile-menu.open{display:block}
    .nav-main-links{display:none}
  }
  @media (max-width:639px){
    .metric-num{font-size:2.4rem}
    .hide-cta-second{display:none}
  }

/* roulang page: category1 */
:root {
            --cream: #FBF6EE;
            --sand: #F3E9D9;
            --cocoa: #2E2118;
            --honey: #D4932B;
            --honeydeep: #B8741F;
            --peach: #CB583E;
            --ink: #2B1F17;
            --muted: #6E5A4C;
            --hairline: #E4D3BC;
            --radius-lg: 1.25rem;
            --radius-md: 0.9rem;
            --shadow-warm: 0 20px 55px -30px rgba(70, 35, 15, .32);
            --shadow-soft: 0 12px 40px -28px rgba(60, 35, 15, .28);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--cream);
            color: var(--ink);
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, sans-serif;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }
        .container-page {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 1.25rem;
        }
        .container-page-lg {
            max-width: 1320px;
            margin-inline: auto;
            padding-inline: 1.25rem;
        }
        .section-space {
            padding-block: 5rem;
        }
        .nav-wrap {
            background: rgba(251, 246, 238, .86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(228, 211, 188, .7);
        }
        .nav-link {
            position: relative;
            padding: .7rem .2rem;
            font-size: .95rem;
            font-weight: 600;
            color: var(--ink);
            transition: color .2s;
        }
        .nav-link:hover {
            color: var(--honeydeep);
        }
        .nav-link.active {
            color: var(--honeydeep);
        }
        .nav-link.active:after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--honey);
            transform: translateY(-2px);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border-radius: 999px;
            font-weight: 700;
            transition: all .25s ease;
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1;
            text-align: center;
        }
        .btn:active {
            transform: scale(.98);
        }
        .btn-primary {
            background: var(--honey);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--honeydeep);
            box-shadow: 0 16px 30px -16px rgba(212, 147, 43, .7);
        }
        .btn-cocoa {
            background: var(--cocoa);
            color: #fff;
        }
        .btn-cocoa:hover {
            background: #3d2d22;
        }
        .btn-outline {
            border-color: var(--honey);
            color: var(--honeydeep);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(212, 147, 43, .1);
            border-color: var(--honeydeep);
        }
        .btn-white {
            background: #fff;
            color: var(--ink);
            border-color: var(--hairline);
        }
        .btn-white:hover {
            background: var(--sand);
            border-color: var(--honey);
        }
        .btn-peach {
            background: var(--peach);
            color: #fff;
        }
        .btn-peach:hover {
            background: #b04a31;
        }
        .text-h2 {
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -.01em;
        }
        .eyebrow {
            font-weight: 600;
            color: var(--honeydeep);
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }
        .eyebrow:before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--honey);
            border-radius: 2px;
            display: inline-block;
        }
        .hero-title {
            line-height: 1.12;
            font-weight: 800;
            letter-spacing: -.02em;
        }
        .card-warm {
            background: #fff;
            border: 1px solid rgba(228, 211, 188, .7);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
        }
        .card-hover {
            transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-warm);
            border-color: rgba(212, 147, 43, .45);
        }
        .icon-arrow {
            transition: transform .25s ease;
        }
        .list-link:hover .icon-arrow {
            transform: translateX(4px);
        }
        .btn-focus:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(212, 147, 43, .5);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .details-card summary::-webkit-details-marker {
            display: none;
        }
        .details-card summary {
            list-style: none;
            cursor: pointer;
        }
        .details-card .chevron {
            transition: transform .3s ease;
        }
        .details-card[open] .chevron {
            transform: rotate(45deg);
        }
        .details-card[open] {
            border-color: rgba(212, 147, 43, .55);
        }
        .input-style {
            width: 100%;
            border-radius: .85rem;
            border: 1px solid var(--hairline);
            background: #fff;
            padding: .85rem 1rem;
            transition: border-color .2s, box-shadow .2s;
            color: var(--ink);
        }
        .input-style:focus {
            outline: none;
            border-color: var(--honey);
            box-shadow: 0 0 0 4px rgba(212, 147, 43, .14);
        }
        .divider-line {
            border-top: 1px solid var(--hairline);
        }
        .footer-link {
            color: #D8C9B8;
            transition: color .2s;
        }
        .footer-link:hover {
            color: var(--honey);
        }
        .bg-hero-panel {
            background: linear-gradient(145deg, #241811, #3a2a1d);
        }
        .bg-form-deep {
            background: linear-gradient(140deg, #251a12, #32241a);
        }
        .shadow-image {
            box-shadow: 0 24px 60px -30px rgba(30, 15, 5, .45);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            left: 1rem;
            right: 1rem;
            top: calc(100% + .4rem);
            background: #fff;
            border-radius: 1.2rem;
            border: 1px solid var(--hairline);
            padding: 1rem;
            box-shadow: var(--shadow-warm);
        }
        .mobile-menu.open {
            display: block;
        }
        .nav-main-links {
            display: none;
        }
        @media (min-width:768px) {
            .container-page,
            .container-page-lg {
                padding-inline: 2rem;
            }
        }
        @media (min-width:1024px) {
            .section-space {
                padding-block: 7rem;
            }
            .nav-main-links {
                display: flex;
            }
        }
        @media (max-width:1023px) {
            .mobile-menu {
                display: none;
                position: absolute;
                left: 1rem;
                right: 1rem;
                top: calc(100% + .4rem);
                background: #fff;
                border-radius: 1.2rem;
                border: 1px solid var(--hairline);
                padding: 1rem;
                box-shadow: var(--shadow-warm);
            }
            .mobile-menu.open {
                display: block;
            }
            .nav-main-links {
                display: none !important;
            }
        }
        @media (max-width:639px) {
            .hide-cta-second {
                display: none !important;
            }
        }
        .scroll-mt {
            scroll-margin-top: 6.2rem;
        }
        section[id] {
            scroll-margin-top: 5.5rem;
        }
        .cat-hero-bg {
            background: linear-gradient(140deg, #20160f 0%, #302218 56%, #462e1c 100%);
        }
        .cat-hero-veil {
            background: linear-gradient(90deg, rgba(32, 22, 15, .96) 0%, rgba(32, 22, 15, .78) 55%, rgba(32, 22, 15, .2) 100%);
        }
        .pill-anchor {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            border-radius: 999px;
            border: 1px solid var(--hairline);
            background: #fff;
            padding: .7rem 1.15rem;
            font-size: .9rem;
            font-weight: 600;
            color: var(--ink);
            transition: all .25s ease;
        }
        .pill-anchor:hover {
            border-color: var(--honey);
            color: var(--honeydeep);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px -18px rgba(90, 50, 15, .4);
        }
        .pill-anchor.active-pill {
            background: var(--honey);
            border-color: var(--honey);
            color: #fff;
        }
        .cover-frame {
            border-radius: 1.4rem;
            overflow: hidden;
        }
        .cover-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }
        .guide-card-img {
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
            display: block;
        }
        .stamp-tag {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            border-radius: 99px;
            background: rgba(212, 147, 43, .14);
            color: var(--honeydeep);
            font-size: .78rem;
            font-weight: 700;
            padding: .3rem .65rem;
            line-height: 1.2;
        }
        .tag-soft {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: var(--sand);
            border: 1px solid rgba(228, 211, 188, .85);
            color: var(--muted);
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 600;
            padding: .35rem .7rem;
        }
        .check-item {
            display: flex;
            gap: .85rem;
            align-items: flex-start;
        }
        .check-dot {
            flex: 0 0 auto;
            width: 1.75rem;
            height: 1.75rem;
            border-radius: 999px;
            background: rgba(212, 147, 43, .15);
            color: var(--honeydeep);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: .1rem;
        }
        .form-note {
            transition: all .25s ease;
        }
        .bg-gold-cta {
            background: linear-gradient(140deg, #dda43d 0%, #c98a28 45%, #b96b2c 100%);
        }
        .contrast-card-bad {
            background: #fff8f2;
            border: 1px solid var(--hairline);
            border-radius: 1.25rem;
        }
        .contrast-card-good {
            background: #fffdf8;
            border: 1.5px solid rgba(212, 147, 43, .8);
            border-radius: 1.25rem;
            box-shadow: var(--shadow-soft);
        }
        .divider-dash {
            height: 1px;
            background: repeating-linear-gradient(90deg, var(--hairline) 0 8px, transparent 8px 16px);
            border: 0;
        }
        .footer-link-linear {
            color: #D8C9B8;
            transition: color .2s;
        }
        .footer-link-linear:hover {
            color: var(--honey);
        }