/* roulang page: index */
:root{
      --mulberry:#4A263E;--rosewood:#B96D83;--apricot:#E9BCA9;--ivory:#FCF8F3;
      --mist:#F4EDF0;--ink:#302B31;--muted:#766B73;--rule:#E4D9DD;
      --radius:18px;--shadow:0 12px 34px rgba(74,38,62,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ivory);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--apricot);color:var(--mulberry)}
    .paper-grain:before{
      content:"";position:absolute;inset:0;pointer-events:none;opacity:.26;
      background-image:radial-gradient(rgba(74,38,62,.16) .55px,transparent .65px);
      background-size:8px 8px;mix-blend-mode:multiply
    }
    .nav-shell{background:rgba(252,248,243,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
    .nav-link{position:relative;color:var(--muted);font-size:14px;font-weight:600;transition:color .2s ease}
    .nav-link:hover,.nav-link.active{color:var(--mulberry)}
    .nav-link.active:after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--rosewood);border-radius:2px}
    .search-wrap{position:relative}
    .search-input{width:100%;height:48px;border:1px solid var(--rule);background:#fffdfa;border-radius:999px;padding:0 112px 0 44px;color:var(--ink);outline:none;transition:.2s ease}
    .search-input::placeholder{color:#978991}
    .search-input:focus{border-color:var(--rosewood);box-shadow:0 0 0 4px rgba(185,109,131,.16)}
    .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--rosewood)}
    .search-submit{position:absolute;right:5px;top:5px;height:38px;padding:0 13px;border:0;border-radius:999px;background:var(--mulberry);color:#fff;font-size:13px;font-weight:700;transition:.2s ease}
    .search-submit:hover{background:#371b2e;transform:translateY(-1px)}
    .suggestions{display:none;position:absolute;top:56px;left:0;right:0;z-index:30;border:1px solid var(--rule);border-radius:16px;background:#fffdfa;padding:14px;box-shadow:var(--shadow)}
    .search-wrap:focus-within .suggestions{display:block}
    .btn-primary,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:12px;padding:0 19px;font-weight:700;font-size:15px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
    .btn-primary{background:var(--mulberry);color:#fff;box-shadow:0 8px 18px rgba(74,38,62,.16)}
    .btn-primary:hover{background:#371b2e;transform:translateY(-2px);box-shadow:0 12px 22px rgba(74,38,62,.22)}
    .btn-soft{border:1px solid var(--rule);background:#fffdfa;color:var(--mulberry)}
    .btn-soft:hover{border-color:var(--rosewood);background:#fff7f7;transform:translateY(-1px)}
    :is(a,button,input,select,summary):focus-visible{outline:3px solid rgba(185,109,131,.42);outline-offset:3px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--rosewood);font-size:13px;font-weight:800;letter-spacing:.1em}
    .eyebrow:before{content:"";height:8px;width:8px;border-radius:99px;background:var(--apricot);box-shadow:0 0 0 4px rgba(233,188,169,.23)}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:52px;align-items:center}
    .hero-stamp{position:absolute;border:1px solid rgba(185,109,131,.25);border-radius:999px;width:270px;height:270px;right:-88px;top:30px}
    .hero-stamp:after{content:"索 引 · 0 1";position:absolute;inset:13px;border:1px dashed rgba(185,109,131,.3);border-radius:999px;display:grid;place-items:center;transform:rotate(-18deg);font-size:12px;letter-spacing:.22em;color:rgba(74,38,62,.46)}
    .index-panel{position:relative;background:#fffdfa;border:1px solid var(--rule);border-radius:22px;padding:24px;box-shadow:var(--shadow);overflow:hidden}
    .index-panel:after{content:"";position:absolute;width:110px;height:110px;right:-38px;bottom:-42px;background:var(--apricot);opacity:.38;border-radius:50%}
    .panel-line{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--rule);position:relative;z-index:1}
    .panel-line:last-of-type{border-bottom:0}
    .status-dot{width:8px;height:8px;border-radius:99px;background:var(--rosewood);flex:0 0 auto}
    .tag{display:inline-flex;align-items:center;border:1px solid var(--rule);border-radius:999px;padding:5px 10px;background:#fffdfa;color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap}
    .tag:hover{border-color:var(--rosewood);color:var(--mulberry);background:#fff6f7}
    .quick-strip{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);background:rgba(255,253,250,.6)}
    .quick-scroll{display:flex;gap:10px;overflow:auto;padding:14px 0;scrollbar-width:none}
    .quick-scroll::-webkit-scrollbar{display:none}
    .section-mark{font-size:13px;letter-spacing:.12em;color:var(--rosewood);font-weight:800;white-space:nowrap}
    .feature-menu button{width:100%;text-align:left;padding:15px;border-left:2px solid transparent;color:var(--muted);transition:.2s ease}
    .feature-menu button:hover{background:#fbf2f4;color:var(--mulberry)}
    .feature-menu button.active{border-left-color:var(--rosewood);background:#f7e9ee;color:var(--mulberry)}
    .feature-menu .progress{height:2px;background:var(--rule);margin-top:8px;overflow:hidden}
    .feature-menu button.active .progress:after{content:"";display:block;width:62%;height:100%;background:var(--rosewood)}
    .feature-panel{background:#fffdfa;border:1px solid var(--rule);border-radius:20px;box-shadow:var(--shadow)}
    .feature-view{display:none}.feature-view.active{display:block}
    .timeline{position:relative}.timeline:before{content:"";position:absolute;left:18px;right:18px;top:27px;height:1px;background:var(--rule)}
    .timeline-node{position:relative;padding-top:58px}
    .timeline-dot{position:absolute;top:18px;left:0;width:19px;height:19px;border-radius:50%;border:4px solid var(--mist);background:var(--rosewood);z-index:1}
    .quote-card{background:#fffdfa;border:1px solid var(--rule);border-radius:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .quote-card:before{content:"";position:absolute;right:24px;top:13px;width:70px;height:70px;border:1px solid rgba(185,109,131,.3);border-radius:50%}
    .metric-card{border:1px solid var(--rule);background:#fffdfa;border-radius:18px;padding:22px;transition:.2s ease}
    .metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .bar{height:8px;border-radius:99px;background:var(--mist);overflow:hidden}.bar span{display:block;height:100%;border-radius:99px;background:var(--rosewood)}
    .price-card{border:1px solid var(--rule);border-radius:22px;padding:30px;background:#fffdfa;transition:.2s ease}
    .price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .price-card.featured{background:var(--mulberry);color:#fff;border-color:var(--mulberry)}
    .price-card.featured .muted-light{color:#eddce3}.price-card.featured li{border-color:rgba(255,255,255,.16)}
    .check{color:var(--rosewood);font-weight:900}.featured .check{color:var(--apricot)}
    .faq-item{border-bottom:1px solid var(--rule)}.faq-item summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:800;color:var(--mulberry);display:flex;justify-content:space-between;gap:16px}
    .faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{transition:transform .2s ease}.faq-item[open] summary span{transform:rotate(45deg)}
    .faq-answer{padding:0 0 20px;color:var(--muted);font-size:15px}
    .safe-strip{border:1px solid #e8c9d2;background:#fff3f4;border-radius:15px;color:#6f4053}
    .footer-link{color:#e9d9df;font-size:14px;transition:.2s ease}.footer-link:hover{color:var(--apricot);padding-left:3px}
    .mobile-menu{display:none}
    @media(max-width:1023px){
      .desktop-nav{display:none}.mobile-trigger{display:inline-flex}.hero-grid{grid-template-columns:1fr;gap:30px}.hero-stamp{right:-145px}.timeline:before{left:9px;top:14px;bottom:12px;width:1px;height:auto}.timeline-node{padding:0 0 0 36px}.timeline-dot{top:4px;left:0}.timeline{display:grid!important;gap:24px}
    }
    @media(max-width:639px){
      body{font-size:15px}.search-input{padding-right:75px}.search-submit{padding:0 10px}.hero-stamp{display:none}.index-panel{padding:18px}.nav-link.active:after{display:none}.mobile-menu.open{display:block}.section-mark{font-size:11px}.price-card{padding:23px}.quick-scroll{margin-right:-16px;padding-right:16px}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
 --mulberry:#4A263E;--rosewood:#B96D83;--apricot:#E9BCA9;--ivory:#FCF8F3;
 --mist:#F4EDF0;--ink:#302B31;--muted:#766B73;--rule:#E4D9DD;
 --radius:18px;--shadow:0 12px 34px rgba(74,38,62,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.85;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
.nav-shell{background:rgba(252,248,243,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.nav-link{position:relative;color:var(--muted);font-size:14px;font-weight:600;transition:color .2s ease}
.nav-link:hover,.nav-link.active{color:var(--mulberry)}
.nav-link.active:after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--rosewood);border-radius:2px}
.search-wrap{position:relative}
.search-input{width:100%;height:48px;border:1px solid var(--rule);background:#fffdfa;border-radius:999px;padding:0 112px 0 44px;color:var(--ink);outline:none;transition:.2s ease}
.search-input::placeholder{color:#978991}
.search-input:focus{border-color:var(--rosewood);box-shadow:0 0 0 4px rgba(185,109,131,.16)}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--rosewood)}
.search-submit{position:absolute;right:5px;top:5px;height:38px;padding:0 13px;border:0;border-radius:999px;background:var(--mulberry);color:#fff;font-size:13px;font-weight:700;transition:.2s ease}
.search-submit:hover{background:#371b2e;transform:translateY(-1px)}
.suggestions{display:none;position:absolute;z-index:30;top:58px;left:0;right:0;padding:16px;border:1px solid var(--rule);background:#fffdfa;border-radius:16px;box-shadow:var(--shadow)}
.search-wrap:focus-within .suggestions{display:block}
.btn-primary,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:12px;padding:0 19px;font-weight:700;font-size:15px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:var(--mulberry);color:#fff;box-shadow:0 8px 18px rgba(74,38,62,.16)}
.btn-primary:hover{background:#371b2e;transform:translateY(-2px);box-shadow:0 12px 22px rgba(74,38,62,.22)}
.btn-soft{border:1px solid var(--rule);background:#fffdfa;color:var(--mulberry)}
.btn-soft:hover{border-color:var(--rosewood);background:#fff7f7;transform:translateY(-1px)}
:is(a,button,input,select,summary):focus-visible{outline:3px solid rgba(185,109,131,.42);outline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--rosewood);font-size:13px;font-weight:800;letter-spacing:.1em}
.eyebrow:before{content:"";height:8px;width:8px;border-radius:99px;background:var(--apricot);box-shadow:0 0 0 4px rgba(233,188,169,.23)}
.tag{display:inline-flex;align-items:center;border:1px solid var(--rule);border-radius:999px;padding:5px 10px;background:#fffdfa;color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap;transition:.2s ease}
.tag:hover,.tag.selected{border-color:var(--rosewood);color:var(--mulberry);background:#fff1f4}
.footer-link{color:#e9d9df;font-size:14px;transition:.2s ease}
.footer-link:hover{color:var(--apricot);padding-left:3px}
.mobile-menu{display:none;border-top:1px solid var(--rule);background:var(--ivory)}
.mobile-menu.open{display:block}
.directory-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--rule);background:linear-gradient(120deg,#fcf8f3 0%,#f7edf0 100%)}
.directory-hero:after{content:"";position:absolute;width:280px;height:280px;right:-95px;top:-125px;border:1px dashed rgba(185,109,131,.32);border-radius:50%;box-shadow:inset 0 0 0 16px rgba(233,188,169,.10)}
.archive-card{position:relative;overflow:hidden;background:#fffdfa;border:1px solid var(--rule);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.archive-card:after{content:"";position:absolute;right:-18px;bottom:-30px;width:100px;height:100px;border:14px solid rgba(185,109,131,.10);border-radius:50%}
.filter-bar{background:#fffdfa;border:1px solid var(--rule);border-radius:18px;box-shadow:0 8px 22px rgba(74,38,62,.05)}
.filter-select{min-height:42px;border:1px solid var(--rule);border-radius:10px;background:#fffdfa;padding:0 32px 0 13px;color:var(--ink);outline:none}
.filter-select:focus{border-color:var(--rosewood);box-shadow:0 0 0 3px rgba(185,109,131,.14)}
.article-list{border:1px solid var(--rule);border-radius:20px;overflow:hidden;background:#fffdfa}
.article-item{display:grid;grid-template-columns:60px 1fr 30px;gap:18px;padding:25px 24px;border-bottom:1px solid var(--rule);transition:.2s ease}
.article-item:last-child{border-bottom:0}
.article-item:hover{background:#fff5f6}
.article-item:hover .article-title{color:var(--mulberry)}
.article-item:hover .article-arrow{transform:translateX(4px);color:var(--rosewood)}
.article-item.featured{background:#f8edf1}
.article-num{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--rosewood)}
.article-title{font-size:19px;font-weight:800;line-height:1.45;color:var(--ink);transition:.2s ease}
.article-arrow{align-self:center;color:var(--mulberry);font-size:22px;transition:.2s ease}
.sidebar-card{border:1px solid var(--rule);background:#fffdfa;border-radius:18px;padding:22px}
.toc-link{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #f0e7e9;color:var(--muted);font-size:14px;transition:.2s ease}
.toc-link:last-child{border-bottom:0}
.toc-link:hover{color:var(--mulberry);padding-left:4px}
.toc-no{color:var(--rosewood);font-size:12px;font-weight:800}
.note-panel{border-left:3px solid var(--apricot);background:#fbf0ed}
.pager button{min-width:42px;height:42px;border:1px solid var(--rule);border-radius:10px;background:#fffdfa;color:var(--muted);font-weight:700;transition:.2s ease}
.pager button:hover{border-color:var(--rosewood);color:var(--mulberry)}
.pager button.current{background:var(--mulberry);border-color:var(--mulberry);color:#fff}
.faq-item{border-bottom:1px solid var(--rule)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:800;color:var(--mulberry);display:flex;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span{transition:transform .2s ease}
.faq-item[open] summary span{transform:rotate(45deg)}
.faq-answer{padding:0 0 20px;color:var(--muted);font-size:15px}
.paper-lines{background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 31px,rgba(228,217,221,.5) 32px)}
@media(min-width:1024px){.desktop-nav{display:flex}.mobile-trigger{display:none}}
@media(max-width:1023px){.desktop-nav{display:none}.mobile-trigger{display:inline-flex}.side-column{position:static!important}.article-item{grid-template-columns:48px 1fr 24px}}
@media(max-width:639px){
 body{font-size:15px}.nav-link.active:after{display:none}.directory-hero:after{right:-170px}
 .article-item{grid-template-columns:38px 1fr;padding:20px 16px;gap:12px}
 .article-arrow{display:none}.article-title{font-size:17px}.archive-card{padding:20px}
 .filter-select{width:100%}.sidebar-card{padding:18px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}