/* roulang page: index */
:root{
      --berry:#4b1d4f;
      --berry-deep:#29132f;
      --plum:#6d376b;
      --coral:#d77a78;
      --apricot:#f1c6a7;
      --mist:#f8f4f2;
      --lilac:#eee5ef;
      --ink:#2c2630;
      --muted:#756d78;
      --line:#e4dce4;
      --white:#fffdfb;
      --shadow:0 18px 50px rgba(61,29,62,.10);
      --shadow-soft:0 8px 24px rgba(61,29,62,.07);
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:10px;
      --ease:all .2s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
    ::selection{background:var(--apricot);color:var(--berry-deep)}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--coral)}
    img{max-width:100%;height:auto;display:block}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(215,122,120,.55);outline-offset:3px}
    .site-container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:12px;font-weight:700;letter-spacing:.12em}
    .eyebrow::before{content:"";width:25px;height:2px;background:var(--coral)}
    .section{padding:92px 0}
    .section-heading{max-width:680px;margin-bottom:38px}
    .section-heading h2{margin:12px 0 14px;font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.04em;color:var(--berry-deep)}
    .section-heading p{margin:0;color:var(--muted);font-size:16px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,244,242,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,220,228,.8)}
    .nav-shell{min-height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
    .nav-side{display:flex;align-items:center;gap:24px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{position:relative;padding:8px 0;color:var(--muted);font-size:14px;font-weight:600}
    .nav-link:hover,.nav-link.active{color:var(--berry)}
    .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--coral);border-radius:2px}
    .brand{display:flex;align-items:center;gap:10px;color:var(--berry-deep);font-weight:800;white-space:nowrap;letter-spacing:-.04em}
    .brand-mark{width:24px;height:24px;display:grid;place-items:center;background:var(--berry);color:var(--apricot);border-radius:8px;font-size:12px}
    .brand-name{font-size:17px}
    .nav-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--berry);border-radius:10px;width:44px;height:44px}
    .hero{position:relative;overflow:hidden;background:var(--berry-deep);color:#fff8f3;padding:92px 0 82px}
    .hero::before{content:"";position:absolute;width:540px;height:540px;right:-130px;top:-270px;border-radius:50%;background:radial-gradient(circle,rgba(215,122,120,.25),transparent 68%)}
    .hero::after{content:"";position:absolute;inset:0;opacity:.15;background-image:linear-gradient(rgba(255,255,255,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.22) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 70%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.15fr;gap:68px;align-items:center}
    .hero h1{font-size:clamp(38px,5.7vw,68px);line-height:1.12;letter-spacing:-.06em;margin:18px 0 22px;max-width:620px}
    .hero h1 strong{color:var(--apricot);font-weight:800}
    .hero-copy{max-width:590px;color:#d9cbd9;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn-main,.btn-ghost,.btn-light{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-main{background:var(--coral);color:#fff;border-color:var(--coral);box-shadow:0 8px 20px rgba(215,122,120,.24)}
    .btn-main:hover{background:#e48d87;color:#fff;transform:translateY(-2px)}
    .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff8f3}
    .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
    .btn-light{background:var(--white);color:var(--berry);border-color:var(--white)}
    .btn-light:hover{background:var(--apricot);border-color:var(--apricot);color:var(--berry-deep)}
    .hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--lilac);color:var(--plum);font-size:12px;font-weight:700}
    .tag.dark{background:rgba(255,255,255,.1);color:#eadbea;border:1px solid rgba(255,255,255,.15)}
    .stage{position:relative;min-height:350px;padding:20px}
    .stage-panel{position:relative;min-height:320px;padding:28px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);border-radius:var(--radius-lg);box-shadow:0 25px 55px rgba(0,0,0,.18)}
    .stage-panel::after{content:"";position:absolute;inset:18px;border:1px solid rgba(241,198,167,.25);border-radius:18px;pointer-events:none}
    .stage-title{position:relative;z-index:1;color:var(--apricot);font-size:13px;font-weight:700;letter-spacing:.08em}
    .stage-big{position:relative;z-index:1;margin:55px 0 25px;font-size:clamp(29px,4vw,47px);line-height:1.22;font-weight:800;max-width:360px}
    .stage-note{position:relative;z-index:1;color:#d9cbd9;max-width:360px;font-size:14px}
    .stage-orbit{position:absolute;right:34px;top:66px;width:120px;height:120px;border:1px solid rgba(241,198,167,.55);border-radius:50%}
    .stage-orbit::before,.stage-orbit::after{content:"";position:absolute;border-radius:50%;background:var(--coral)}
    .stage-orbit::before{width:10px;height:10px;left:12px;top:19px}
    .stage-orbit::after{width:7px;height:7px;right:15px;bottom:18px;background:var(--apricot)}
    .stage-lines{position:absolute;right:32px;bottom:38px;width:145px;display:grid;gap:9px}
    .stage-lines i{height:5px;border-radius:5px;background:rgba(255,255,255,.2)}
    .stage-lines i:nth-child(1){width:100%}.stage-lines i:nth-child(2){width:72%;background:var(--coral)}.stage-lines i:nth-child(3){width:86%}
    .metric-strip{margin-top:-30px;position:relative;z-index:3}
    .metric-wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft)}
    .metric{background:var(--white);padding:24px 25px;min-height:120px}
    .metric:first-child{background:#f4eaf2}
    .metric strong{display:block;color:var(--berry);font-size:28px;line-height:1.1;margin-bottom:8px}
    .metric span{color:var(--muted);font-size:13px}
    .directory{background:#fffdfa}
    .directory-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}
    .topic-card{position:relative;min-height:190px;padding:28px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white);overflow:hidden;transition:var(--ease)}
    .topic-card:hover{transform:translateY(-5px);border-color:var(--coral);box-shadow:var(--shadow-soft)}
    .topic-card.featured{grid-row:span 2;min-height:398px;background:var(--berry);color:#fff}
    .topic-card h3{font-size:21px;line-height:1.35;margin:22px 0 10px;color:var(--berry-deep)}
    .topic-card.featured h3{color:#fff;font-size:30px;max-width:330px}
    .topic-card p{color:var(--muted);font-size:14px;margin:0;line-height:1.75}
    .topic-card.featured p{color:#d9cbd9;max-width:350px}
    .topic-index{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.1em}
    .topic-card .card-link{position:absolute;bottom:25px;left:28px;font-size:13px;font-weight:700;color:var(--plum)}
    .topic-card.featured .card-link{color:var(--apricot)}
    .value-section{background:var(--lilac)}
    .value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .value-item{padding:23px 20px;border-top:3px solid var(--plum);background:rgba(255,255,255,.56)}
    .value-item b{display:block;margin-bottom:9px;color:var(--berry-deep);font-size:17px}
    .value-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .comparison{background:var(--mist)}
    .compare-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{padding:32px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--white)}
    .compare-card.highlight{background:var(--berry);color:#fff}
    .compare-card h3{margin:0 0 8px;font-size:24px;color:var(--berry-deep)}
    .compare-card.highlight h3{color:#fff}
    .compare-card>p{color:var(--muted);font-size:14px;margin-bottom:25px}
    .compare-card.highlight>p{color:#d9cbd9}
    .compare-row{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:15px 0;border-top:1px solid var(--line);font-size:14px}
    .highlight .compare-row{border-color:rgba(255,255,255,.16)}
    .compare-row b{color:var(--plum)}.highlight .compare-row b{color:var(--apricot)}
    .bar{height:7px;border-radius:7px;background:#e8dfe9;margin-top:8px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--coral);border-radius:inherit}
    .news-section{background:#fffdfa}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}
    .news-item h3{font-size:16px;margin:0 0 5px;color:var(--berry-deep)}
    .news-item p{margin:0;color:var(--muted);font-size:13px}
    .news-date{white-space:nowrap;color:var(--coral);font-size:12px;font-weight:700}
    .note-box{padding:28px;background:var(--berry-deep);color:#fff;border-radius:var(--radius-lg)}
    .note-box h3{font-size:24px;margin:0 0 12px}.note-box p{color:#d9cbd9;font-size:14px;margin:0 0 20px}
    .faq-section{background:var(--mist)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:12px;overflow:hidden;background:var(--white)}
    .accordion-button{padding:20px 22px;background:var(--white);color:var(--berry-deep);font-weight:700;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#f4eaf2;color:var(--berry)}
    .accordion-button::after{filter:hue-rotate(245deg)}
    .accordion-body{padding:0 22px 21px;color:var(--muted);font-size:14px;line-height:1.85;background:#f4eaf2}
    .cta-section{padding:80px 0}
    .cta-box{display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center;background:var(--berry);color:#fff;padding:48px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(28px,4vw,43px);line-height:1.25;margin:0 0 13px}
    .cta-box p{color:#dfd1df;margin:0;max-width:590px}
    .pref-form{display:grid;gap:12px}
    .pref-form label{font-size:12px;color:#eadbea;font-weight:700}
    .pref-form input,.pref-form select{width:100%;height:48px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;border-radius:10px;padding:0 14px}
    .pref-form select option{color:var(--ink)}
    .pref-form input::placeholder{color:#cdbdce}
    .form-help{font-size:12px;color:#cdbdce;margin:0}
    .form-message{display:none;padding:10px 12px;border-radius:8px;background:rgba(241,198,167,.18);color:var(--apricot);font-size:13px}
    .form-message.show{display:block}
    .site-footer{background:var(--berry-deep);color:#fff;padding:46px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:35px;padding-bottom:35px}
    .footer-brand{color:#fff;font-size:18px;font-weight:800}
    .footer-text{color:#cdbdce;font-size:13px;max-width:320px;margin:14px 0 0}
    .footer-title{font-size:13px;color:var(--apricot);font-weight:700;margin-bottom:13px}
    .footer-links{display:grid;gap:8px;color:#d9cbd9;font-size:13px}
    .footer-links a:hover{color:var(--apricot)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;color:#a997aa;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    .age-note{color:#d9cbd9}
    @media(max-width:991px){
      .nav-shell{grid-template-columns:auto 1fr auto}.brand{justify-self:center}.nav-side{display:none}.nav-toggle{display:block}.nav-side.mobile-open{display:flex;position:absolute;top:78px;left:20px;right:20px;padding:18px;flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);gap:2px}.nav-side.mobile-open.right{justify-content:initial}.nav-side.mobile-open .nav-link{padding:12px}
      .hero-grid,.cta-box{grid-template-columns:1fr;gap:35px}.directory-grid{grid-template-columns:1fr 1fr}.topic-card.featured{grid-row:auto;grid-column:span 2}.value-grid{grid-template-columns:repeat(2,1fr)}.news-layout{grid-template-columns:1fr}
    }
    @media(max-width:767px){
      .site-container{width:min(100% - 28px,600px)}.section{padding:66px 0}.hero{padding:65px 0 70px}.hero h1{font-size:40px}.hero-copy{font-size:15px}.stage{padding:0}.stage-panel{min-height:290px}.metric-strip{margin-top:-20px}.metric-wrap{display:flex;overflow-x:auto}.metric{min-width:190px}.directory-grid,.compare-layout{grid-template-columns:1fr}.topic-card.featured{grid-column:auto;min-height:300px}.value-grid{grid-template-columns:1fr 1fr}.cta-box{padding:30px 22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:480px){
      .brand-name{font-size:14px}.hero h1{font-size:34px}.hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}.value-grid{grid-template-columns:1fr}.news-item{display:block}.news-date{display:block;margin-top:7px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
    }
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --berry:#4b1d4f;--berry-deep:#29132f;--plum:#6d376b;--coral:#d77a78;
 --apricot:#f1c6a7;--mist:#f8f4f2;--lilac:#eee5ef;--ink:#2c2630;
 --muted:#756d78;--line:#e4dce4;--white:#fffdfb;
 --shadow:0 18px 50px rgba(61,29,62,.10);--shadow-soft:0 8px 24px rgba(61,29,62,.07);
 --radius-lg:24px;--radius-md:16px;--radius-sm:10px;--ease:all .2s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--coral)}
img{max-width:100%;height:auto;display:block}
button,input,select{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(215,122,120,.55);outline-offset:3px}
.site-container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:12px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--coral)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,244,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,220,228,.8)}
.nav-shell{min-height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.nav-side{display:flex;align-items:center;gap:24px}.nav-side.right{justify-content:flex-end}
.nav-link{position:relative;padding:8px 0;color:var(--muted);font-size:14px;font-weight:600}
.nav-link:hover,.nav-link.active{color:var(--berry)}
.nav-link.active:after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--coral);border-radius:2px}
.brand{display:flex;align-items:center;gap:10px;color:var(--berry-deep);font-weight:800;white-space:nowrap;letter-spacing:-.04em}
.brand-mark{width:24px;height:24px;display:grid;place-items:center;background:var(--berry);color:var(--apricot);border-radius:8px;font-size:12px}
.brand-name{font-size:17px}.nav-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--berry);border-radius:10px;width:44px;height:44px}
.hero-inner{background:var(--berry-deep);color:#fff8f3;padding:72px 0 68px;position:relative;overflow:hidden}
.hero-inner:before{content:"";position:absolute;width:460px;height:460px;right:-140px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(215,122,120,.25),transparent 68%)}
.hero-inner:after{content:"";position:absolute;inset:0;opacity:.13;background-image:linear-gradient(rgba(255,255,255,.2) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.2) 1px,transparent 1px);background-size:42px 42px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.breadcrumbs{display:flex;gap:9px;align-items:center;color:#cdbdce;font-size:13px;margin-bottom:22px}.breadcrumbs a{color:#eadbea}
.hero h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.06em;margin:0 0 20px;max-width:680px}
.hero h1 strong{color:var(--apricot)}
.hero-copy{max-width:630px;color:#d9cbd9;font-size:17px;line-height:1.9;margin:0}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--lilac);color:var(--plum);font-size:12px;font-weight:700}.tag.dark{background:rgba(255,255,255,.1);color:#eadbea;border:1px solid rgba(255,255,255,.15)}
.topic-snapshot{padding:26px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);background:rgba(255,255,255,.07);box-shadow:0 25px 55px rgba(0,0,0,.18)}
.snapshot-top{display:flex;justify-content:space-between;align-items:center;color:var(--apricot);font-size:13px;font-weight:700}
.status-dot{width:9px;height:9px;background:var(--coral);border-radius:50%;box-shadow:0 0 0 6px rgba(215,122,120,.16)}
.snapshot-title{font-size:27px;line-height:1.3;font-weight:800;margin:35px 0 23px}
.snapshot-row{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-top:1px solid rgba(255,255,255,.14);color:#e4d7e4;font-size:14px}
.snapshot-row b{color:#fff8f3;font-weight:700}.meter{height:5px;background:rgba(255,255,255,.15);border-radius:5px;margin-top:8px;overflow:hidden}.meter i{display:block;height:100%;background:var(--coral);border-radius:5px}
.section{padding:86px 0}.section-heading{max-width:680px;margin-bottom:36px}
.section-heading h2{margin:12px 0 14px;font-size:clamp(30px,4vw,45px);line-height:1.2;letter-spacing:-.04em;color:var(--berry-deep)}
.section-heading p{margin:0;color:var(--muted)}
.topic-layout{display:grid;grid-template-columns:250px 1fr;gap:26px;align-items:start}
.filter-box,.content-panel,.compare-card,.faq-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}
.filter-box{padding:22px;position:sticky;top:104px}.filter-title{color:var(--berry);font-weight:800;margin-bottom:15px}
.filter-list{display:grid;gap:5px}.filter-list a{padding:10px 12px;border-radius:9px;color:var(--muted);font-size:14px}.filter-list a:hover,.filter-list a.active{background:var(--lilac);color:var(--berry);font-weight:700}
.content-panel{padding:30px}.panel-label{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:.1em}.feature-topic{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.feature-topic h3{font-size:29px;line-height:1.3;color:var(--berry-deep);margin:12px 0}.feature-topic p{color:var(--muted);margin:0 0 20px}
.topic-visual{min-height:190px;border-radius:14px;background:linear-gradient(145deg,var(--lilac),#f7e4dd);position:relative;overflow:hidden;padding:20px}
.topic-visual:before{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(75,29,79,.25);border-radius:50%;right:25px;top:20px}.visual-mark{position:absolute;right:83px;top:79px;color:var(--coral);font-size:28px}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.mini-topic{padding:19px;border:1px solid var(--line);border-radius:13px;background:#fffefa;transition:var(--ease)}.mini-topic:hover{transform:translateY(-3px);border-color:var(--coral);box-shadow:var(--shadow-soft)}.mini-topic h4{font-size:18px;color:var(--berry-deep);margin:8px 0}.mini-topic p{font-size:14px;color:var(--muted);margin:0}.meta{font-size:12px;color:var(--plum);font-weight:700}
.compare-section{background:#f1e9ef}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-card{padding:27px}.compare-card.highlight{background:var(--berry);color:#fff8f3;border-color:var(--berry)}.compare-card h3{font-size:24px;margin:10px 0;color:var(--berry-deep)}.highlight h3{color:#fff8f3}.compare-card p{color:var(--muted);font-size:14px}.highlight p{color:#d9cbd9}.compare-list{display:grid;gap:13px;margin-top:20px}.compare-list div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;font-size:14px}.highlight .compare-list div{border-color:rgba(255,255,255,.18)}.compare-list span{color:var(--muted)}.highlight .compare-list span{color:#d9cbd9}.compare-list b{color:var(--plum)}
.faq-wrap{max-width:850px;padding:10px}.accordion-item{border:0;border-bottom:1px solid var(--line)!important;background:transparent}.accordion-item:last-child{border-bottom:0!important}.accordion-button{background:transparent!important;color:var(--berry-deep)!important;font-weight:800;padding:20px 16px;box-shadow:none!important}.accordion-button:after{filter:sepia(1) saturate(2)}.accordion-body{padding:0 16px 20px;color:var(--muted);font-size:14px}
.cta-panel{background:var(--berry-deep);color:#fff8f3;border-radius:var(--radius-lg);padding:40px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-panel h2{font-size:32px;line-height:1.25;margin:0 0 10px}.cta-panel p{color:#d9cbd9;margin:0;max-width:650px}
.site-footer{background:var(--berry-deep);color:#fff8f3;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px}.footer-brand{font-weight:800;font-size:19px}.footer-text{color:#cdbdce;font-size:14px;max-width:360px;margin:15px 0 0}.footer-title{font-size:13px;color:var(--apricot);font-weight:800;margin-bottom:14px}.footer-links{display:grid;gap:8px;color:#d9cbd9;font-size:14px}.footer-links a:hover{color:var(--coral)}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;color:#cdbdce;font-size:12px}.age-note{color:var(--apricot)}
@media(max-width:900px){.nav-shell{grid-template-columns:1fr auto}.brand{order:0}.nav-side{display:none}.nav-toggle{display:block;justify-self:end}.nav-shell.menu-open .nav-side{display:flex;position:absolute;left:20px;right:20px;top:70px;padding:14px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:2px}.nav-shell.menu-open .right-menu{top:170px}.nav-shell.menu-open{padding-bottom:180px}.hero-grid,.topic-layout{grid-template-columns:1fr}.filter-box{position:static}.feature-topic{grid-template-columns:1fr}.hero-inner{padding:58px 0}.section{padding:68px 0}}
@media(max-width:600px){.site-container{width:min(100% - 28px,1180px)}.brand-name{font-size:14px}.hero h1{font-size:38px}.hero-copy{font-size:15px}.topic-snapshot{padding:21px}.content-panel{padding:20px}.mini-grid,.compare-grid{grid-template-columns:1fr}.cta-panel{padding:28px;display:block}.cta-panel .btn-main{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.age-note{display:block;margin-top:8px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
      --berry:#4b1d4f;
      --berry-deep:#29132f;
      --plum:#6d376b;
      --coral:#d77a78;
      --apricot:#f1c6a7;
      --mist:#f8f4f2;
      --lilac:#eee5ef;
      --ink:#2c2630;
      --muted:#756d78;
      --line:#e4dce4;
      --white:#fffdfb;
      --shadow:0 18px 50px rgba(61,29,62,.10);
      --shadow-soft:0 8px 24px rgba(61,29,62,.07);
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:10px;
      --ease:all .2s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--mist);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--coral)}
    img{max-width:100%;height:auto;display:block}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(215,122,120,.55);outline-offset:3px}
    .site-container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:12px;font-weight:700;letter-spacing:.12em}
    .eyebrow::before{content:"";width:25px;height:2px;background:var(--coral)}
    .section{padding:88px 0}
    .section-heading{max-width:700px;margin-bottom:36px}
    .section-heading h2{margin:12px 0 14px;font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.04em;color:var(--berry-deep)}
    .section-heading p{margin:0;color:var(--muted);font-size:16px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,244,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,220,228,.8)}
    .nav-shell{min-height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
    .nav-side{display:flex;align-items:center;gap:24px}
    .nav-side.right{justify-content:flex-end}
    .nav-link{position:relative;padding:8px 0;color:var(--muted);font-size:14px;font-weight:600}
    .nav-link:hover,.nav-link.active{color:var(--berry)}
    .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--coral);border-radius:2px}
    .brand{display:flex;align-items:center;gap:10px;color:var(--berry-deep);font-weight:800;white-space:nowrap;letter-spacing:-.04em}
    .brand-mark{width:24px;height:24px;display:grid;place-items:center;background:var(--berry);color:var(--apricot);border-radius:8px;font-size:12px}
    .brand-name{font-size:17px}
    .nav-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--berry);border-radius:10px;width:44px;height:44px}
    .category-hero{padding:76px 0 70px;background:var(--berry-deep);color:#fff8f3;position:relative;overflow:hidden}
    .category-hero:after{content:"";position:absolute;right:-120px;top:-210px;width:520px;height:520px;border:1px solid rgba(241,198,167,.22);border-radius:50%;box-shadow:0 0 0 38px rgba(215,122,120,.05),0 0 0 78px rgba(215,122,120,.04)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
    .crumbs{display:flex;gap:10px;align-items:center;color:#cdb9cf;font-size:13px;margin-bottom:22px}
    .crumbs a{color:#eadbea}
    .category-hero h1{font-size:clamp(38px,5.4vw,64px);line-height:1.12;letter-spacing:-.06em;margin:0 0 22px;max-width:720px}
    .category-hero h1 strong{color:var(--apricot)}
    .hero-summary{max-width:650px;color:#d9cbd9;font-size:17px;line-height:1.9;margin:0}
    .hero-side{border-left:1px solid rgba(255,255,255,.2);padding-left:28px}
    .hero-side-label{color:var(--apricot);font-size:12px;font-weight:700;letter-spacing:.12em}
    .hero-side h2{font-size:25px;line-height:1.35;margin:12px 0;color:#fff8f3}
    .hero-side p{font-size:14px;color:#cdb9cf;margin:0}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--lilac);color:var(--plum);font-size:12px;font-weight:700}
    .tag.dark{background:rgba(255,255,255,.1);color:#eadbea;border:1px solid rgba(255,255,255,.15)}
    .summary-strip{display:grid;grid-template-columns:1.2fr .8fr .8fr .9fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft)}
    .summary-item{background:var(--white);padding:22px 24px}
    .summary-item b{display:block;color:var(--berry);font-size:25px;line-height:1.2;margin-bottom:5px}
    .summary-item span{color:var(--muted);font-size:13px}
    .feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .feature-card,.reading-card,.compare-card,.note-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}
    .feature-card{padding:34px;position:relative;overflow:hidden}
    .feature-card:before{content:"";position:absolute;right:-70px;bottom:-95px;width:250px;height:250px;border:1px solid rgba(109,55,107,.18);border-radius:50%;box-shadow:0 0 0 28px rgba(109,55,107,.04)}
    .feature-card > *{position:relative;z-index:1}
    .card-kicker{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.1em}
    .feature-card h3{font-size:31px;line-height:1.3;color:var(--berry-deep);margin:15px 0}
    .feature-card p,.reading-card p,.note-card p{color:var(--muted);margin:0}
    .text-link{display:inline-flex;margin-top:25px;color:var(--berry);font-weight:800;font-size:14px}
    .reading-stack{display:grid;gap:22px}
    .reading-card{padding:25px;transition:var(--ease)}
    .reading-card:hover,.compare-card:hover,.note-card:hover{transform:translateY(-4px);border-color:var(--coral);box-shadow:var(--shadow)}
    .reading-card h3{font-size:20px;color:var(--berry);margin:9px 0 8px}
    .reading-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-top:18px}
    .compare-area{display:grid;grid-template-columns:.7fr 1.3fr;gap:22px}
    .compare-intro{background:var(--berry);color:#fff8f3;border-radius:var(--radius-md);padding:32px}
    .compare-intro h2{font-size:30px;line-height:1.3;margin:13px 0}
    .compare-intro p{color:#d9cbd9;margin:0}
    .compare-list{display:grid;gap:12px}
    .compare-card{padding:20px 22px;display:grid;grid-template-columns:135px 1fr auto;gap:18px;align-items:center;transition:var(--ease)}
    .compare-label{font-weight:800;color:var(--berry)}
    .compare-card p{margin:0;color:var(--muted);font-size:14px}
    .compare-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--lilac);color:var(--plum);font-weight:800}
    .path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .path-card{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);min-height:190px}
    .path-number{color:var(--coral);font-size:13px;font-weight:800}
    .path-card h3{color:var(--berry-deep);font-size:21px;margin:12px 0 8px}
    .path-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-wrap{max-width:850px}
    .accordion-item{border:1px solid var(--line)!important;background:var(--white);margin-bottom:11px;border-radius:var(--radius-sm)!important;overflow:hidden}
    .accordion-button{background:var(--white);color:var(--berry-deep);font-weight:800;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:var(--lilac);color:var(--berry)}
    .accordion-button:after{filter:hue-rotate(245deg)}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 22px 20px;background:var(--lilac)}
    .cta-panel{background:var(--berry-deep);border-radius:var(--radius-lg);padding:42px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff8f3}
    .cta-panel h2{font-size:32px;line-height:1.3;margin:12px 0}
    .cta-panel p{color:#d9cbd9;margin:0;max-width:630px}
    .btn-main,.btn-ghost,.btn-light{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-main{background:var(--coral);color:#fff;border-color:var(--coral);box-shadow:0 8px 20px rgba(215,122,120,.24)}
    .btn-main:hover{background:#e48d87;color:#fff;transform:translateY(-2px)}
    .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff8f3}
    .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
    .site-footer{background:var(--berry-deep);color:#fff8f3;padding:60px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.15)}
    .footer-brand{font-size:20px;font-weight:800}
    .footer-text{color:#cdb9cf;max-width:410px;margin:15px 0 0;font-size:14px}
    .footer-title{color:var(--apricot);font-weight:800;font-size:13px;margin-bottom:15px}
    .footer-links{display:grid;gap:8px;color:#d9cbd9;font-size:14px}
    .footer-links a:hover{color:var(--apricot)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#bba9bd;font-size:12px;padding-top:20px}
    .age-note{color:var(--apricot)}
    @media (max-width:991px){
      .hero-inner,.feature-layout,.compare-area{grid-template-columns:1fr}
      .hero-side{border-left:0;border-top:1px solid rgba(255,255,255,.2);padding:24px 0 0}
      .summary-strip{grid-template-columns:repeat(2,1fr)}
      .path-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .site-container{width:min(100% - 28px,1180px)}
      .nav-shell{grid-template-columns:1fr auto;min-height:68px}
      .brand{order:1}
      .nav-toggle{display:block;order:2}
      .nav-side{display:none;position:absolute;left:14px;right:14px;top:68px;padding:14px;background:var(--white);border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow)}
      .nav-side.open{display:flex;flex-direction:column;align-items:stretch;gap:2px}
      .nav-side.right{justify-content:flex-start}
      .nav-link{padding:12px 10px;min-height:44px}
      .category-hero{padding:56px 0}
      .category-hero h1{font-size:39px}
      .section{padding:62px 0}
      .summary-strip{grid-template-columns:1fr 1fr}
      .summary-item{padding:18px 15px}
      .feature-card{padding:25px}
      .feature-card h3{font-size:26px}
      .compare-card{grid-template-columns:1fr auto;gap:7px 12px}
      .compare-card p{grid-column:1/-1}
      .path-grid{grid-template-columns:1fr}
      .cta-panel{padding:28px;display:block}
      .cta-panel .btn-main{margin-top:24px;width:100%}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{display:block}
      .age-note{display:block;margin-top:8px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }