/* roulang page: index */
:root{
      --bg:#101312;
      --bg-soft:#171d1a;
      --panel:#202925;
      --panel-light:#27322d;
      --text:#f3f0e7;
      --muted:#a7b0a8;
      --faint:#707c73;
      --line:rgba(239,235,218,.13);
      --accent:#d9ee87;
      --accent-deep:#a8c858;
      --warm:#e7b77b;
      --danger:#e39b8e;
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;letter-spacing:.01em}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--accent)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(217,238,135,.55);outline-offset:3px}
    .container{max-width:1180px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(16,19,18,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
    .nav-shell{min-height:78px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:238px;font-weight:800;font-size:15px;line-height:1.25}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--accent);color:#1b2416;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:0 0 0 5px rgba(217,238,135,.08)}
    .chip-nav{display:flex;align-items:center;gap:6px;padding:5px;background:#1a211e;border:1px solid var(--line);border-radius:15px;overflow-x:auto;scrollbar-width:none}
    .chip-nav::-webkit-scrollbar{display:none}
    .nav-chip{white-space:nowrap;padding:8px 14px;border-radius:10px;color:var(--muted);font-size:14px}
    .nav-chip:hover{color:var(--text);background:var(--panel-light)}
    .nav-chip.active{background:var(--accent);color:#202717;font-weight:700;box-shadow:inset 0 -2px 0 rgba(0,0,0,.12)}
    .nav-cta{margin-left:auto;white-space:nowrap}
    .btn-main,.btn-sub{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 19px;border-radius:12px;font-weight:750;border:1px solid transparent}
    .btn-main{background:var(--accent);color:#202817;box-shadow:0 8px 24px rgba(217,238,135,.12)}
    .btn-main:hover{background:#efffae;color:#17200f;transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,238,135,.2)}
    .btn-sub{border-color:var(--line);background:rgba(255,255,255,.03);color:var(--text)}
    .btn-sub:hover{border-color:var(--accent);background:rgba(217,238,135,.08);color:var(--accent);transform:translateY(-2px)}
    .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
    .hero{padding:72px 0 46px;position:relative;overflow:hidden}
    .hero::before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border:1px solid rgba(217,238,135,.12);border-radius:50%;box-shadow:0 0 0 60px rgba(217,238,135,.025),0 0 0 120px rgba(217,238,135,.018)}
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:28px;align-items:stretch}
    .hero-copy{padding:18px 0 10px;position:relative;z-index:1}
    h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.045em;line-height:1.18}
    h1{font-size:clamp(38px,5vw,70px);max-width:700px;margin:19px 0 20px}
    h2{font-size:clamp(28px,3.4vw,44px)}
    h3{font-size:20px}
    .lead{max-width:650px;color:#c3cbc1;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:28px}
    .hero-note{display:flex;gap:22px;flex-wrap:wrap;margin-top:31px;color:var(--muted);font-size:13px}
    .hero-note strong{display:block;color:var(--text);font-size:19px;line-height:1.3}
    .bento{display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:1fr 1fr;gap:12px;min-height:390px}
    .bento-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:24px;position:relative;overflow:hidden;transition:var(--ease)}
    .bento-card:hover{transform:translateY(-4px);border-color:rgba(217,238,135,.4);box-shadow:var(--shadow)}
    .bento-main{grid-row:span 2;background:linear-gradient(145deg,#29352e 0%,#18201c 58%,#303d2d 100%)}
    .bento-main::after{content:"";position:absolute;width:260px;height:260px;right:-80px;bottom:-70px;border:1px solid rgba(217,238,135,.35);border-radius:50%;box-shadow:0 0 0 28px rgba(217,238,135,.05),0 0 0 58px rgba(217,238,135,.035)}
    .bento-index{font-size:74px;font-weight:900;color:rgba(217,238,135,.16);line-height:1;position:absolute;right:18px;top:18px}
    .bento-card p{color:var(--muted);font-size:14px;margin:10px 0 0;position:relative;z-index:1}
    .bento-label{color:var(--warm);font-size:12px;font-weight:800;letter-spacing:.1em}
    .mini-lines{margin-top:26px;position:relative;z-index:1}
    .mini-lines span{display:block;border-top:1px solid rgba(255,255,255,.15);padding:10px 0;color:#d9dfd7;font-size:13px}
    .section{padding:78px 0}
    .section-alt{background:var(--bg-soft);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .section-kicker{color:var(--warm);font-size:13px;font-weight:800;margin-bottom:10px}
    .problem-rail{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:14px}
    .problem{min-height:220px;padding:25px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#151b18;position:relative}
    .problem:first-child{background:var(--panel-light)}
    .problem-no{color:var(--accent);font-size:13px;font-weight:800}
    .problem h3{margin:27px 0 10px}
    .problem p{color:var(--muted);font-size:14px;margin:0}
    .solution-wrap{display:grid;grid-template-columns:250px 1fr;gap:24px}
    .step-list{display:flex;flex-direction:column;gap:8px}
    .step{padding:17px 18px;border:1px solid var(--line);border-radius:13px;color:var(--muted);background:rgba(255,255,255,.025);transition:var(--ease)}
    .step:hover,.step.active{background:var(--accent);color:#202717;border-color:var(--accent);font-weight:750}
    .step span{font-size:12px;margin-right:10px;opacity:.7}
    .solution-panel{min-height:300px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);padding:32px;display:flex;flex-direction:column;justify-content:space-between}
    .solution-panel p{color:var(--muted);max-width:650px;margin:15px 0}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap}
    .tag{padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:#c7d1c4;font-size:12px;background:rgba(255,255,255,.025)}
    .value-band{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .value-item{padding:24px 20px;border-right:1px solid var(--line)}
    .value-item:last-child{border-right:0}
    .value-item strong{display:block;font-size:31px;color:var(--accent);line-height:1.2}
    .value-item span{color:var(--muted);font-size:13px}
    .quote-layout{display:grid;grid-template-columns:1fr 1.45fr;gap:18px;align-items:stretch}
    .quote-intro{padding:30px;border-radius:var(--radius);background:#263129;border:1px solid var(--line)}
    .quote-intro p{color:var(--muted);margin-top:16px}
    .quote-card{padding:34px;border-radius:var(--radius);background:#171d1a;border:1px solid var(--line);position:relative}
    .quote-mark{font-size:72px;color:var(--accent);opacity:.55;line-height:.7}
    .quote-card blockquote{font-size:22px;line-height:1.65;margin:22px 0;color:#eef1e7}
    .quote-meta{color:var(--muted);font-size:13px}
    .faq-list .accordion-item{background:transparent;border:1px solid var(--line);margin-bottom:10px;border-radius:14px!important;overflow:hidden}
    .faq-list .accordion-button{background:#19201c;color:var(--text);font-weight:700;padding:20px 22px;box-shadow:none}
    .faq-list .accordion-button:not(.collapsed){background:#29352e;color:var(--accent)}
    .faq-list .accordion-button::after{filter:invert(1);opacity:.7}
    .faq-list .accordion-body{background:#151b18;color:var(--muted);padding:20px 22px;font-size:14px}
    .cta{padding:62px 0}
    .cta-box{border-radius:var(--radius);padding:42px 48px;background:var(--accent);color:#202817;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden}
    .cta-box::after{content:"99";position:absolute;right:34px;bottom:-42px;font-size:150px;font-weight:900;color:rgba(32,40,23,.08)}
    .cta-box p{max-width:610px;margin:12px 0 0;color:#465332}
    .cta-box .btn-sub{border-color:rgba(32,40,23,.3);color:#202817;background:rgba(255,255,255,.18);position:relative;z-index:1}
    .cta-box .btn-sub:hover{border-color:#202817;background:transparent;color:#202817}
    .site-footer{padding:38px 0 24px;background:#0b0e0d;border-top:1px solid var(--line)}
    .footer-top{display:flex;justify-content:space-between;gap:25px;align-items:start}
    .footer-brand{max-width:350px}.footer-brand p{color:var(--faint);font-size:13px;margin-top:12px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--accent)}
    .footer-bottom{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--faint);font-size:12px}
    @media(max-width:991px){
      .brand{min-width:190px}.hero-grid{grid-template-columns:1fr}.hero{padding-top:55px}.problem-rail{grid-template-columns:1fr 1fr}.problem:first-child{grid-column:span 2}.solution-wrap{grid-template-columns:190px 1fr}
    }
    @media(max-width:767px){
      .nav-shell{min-height:70px;gap:12px}.brand{min-width:0;font-size:13px}.brand-mark{width:34px;height:34px}.nav-cta{display:none}.chip-nav{flex:1}.nav-chip{padding:8px 11px;font-size:12px}
      .hero{padding:42px 0 30px}h1{font-size:42px}.lead{font-size:15px}.bento{min-height:430px;grid-template-columns:1fr 1fr}.bento-main{grid-column:span 2;grid-row:auto;min-height:250px}
      .section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:15px}.problem-rail{display:flex;overflow-x:auto;padding-bottom:8px}.problem{min-width:265px}.problem:first-child{min-width:285px}
      .solution-wrap{grid-template-columns:1fr}.step-list{display:flex;flex-direction:row;overflow-x:auto}.step{min-width:150px}.solution-panel{min-height:270px;padding:25px}
      .value-band{grid-template-columns:1fr 1fr}.value-item:nth-child(2){border-right:0}.value-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .quote-layout{grid-template-columns:1fr}.quote-card blockquote{font-size:18px}.cta-box{display:block;padding:32px 25px}.cta-box .hero-actions{margin-top:24px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:25px}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){.hero-actions .btn-main,.hero-actions .btn-sub{width:100%}h1{font-size:36px}.bento{display:flex;flex-direction:column}.bento-card{min-height:145px}.bento-main{min-height:235px}.value-item{padding:19px 13px}.value-item strong{font-size:25px}}

/* roulang page: category2 */
:root{
 --bg:#101312;
 --bg-soft:#171d1a;
 --panel:#202925;
 --panel-light:#27322d;
 --text:#f3f0e7;
 --muted:#a7b0a8;
 --faint:#707c73;
 --line:rgba(239,235,218,.13);
 --accent:#d9ee87;
 --accent-deep:#a8c858;
 --warm:#e7b77b;
 --danger:#e39b8e;
 --success:#9fdba5;
 --radius:20px;
 --radius-sm:12px;
 --shadow:0 18px 50px rgba(0,0,0,.22);
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--bg);color:var(--text);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 line-height:1.75;letter-spacing:.01em;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
button,input{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible{
 outline:3px solid rgba(217,238,135,.55);outline-offset:3px
}
.container{max-width:1180px}
.site-header{
 position:sticky;top:0;z-index:50;background:rgba(16,19,18,.94);
 backdrop-filter:blur(16px);border-bottom:1px solid var(--line)
}
.nav-shell{min-height:78px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:238px;font-weight:800;font-size:15px;line-height:1.25}
.brand:hover{color:var(--text)}
.brand-mark{
 width:38px;height:38px;border-radius:12px;background:var(--accent);color:#1b2416;
 display:grid;place-items:center;font-weight:900;font-size:18px;
 box-shadow:0 0 0 5px rgba(217,238,135,.08)
}
.chip-nav{
 display:flex;align-items:center;gap:6px;padding:5px;background:#1a211e;
 border:1px solid var(--line);border-radius:15px;overflow-x:auto;scrollbar-width:none
}
.chip-nav::-webkit-scrollbar{display:none}
.nav-chip{white-space:nowrap;padding:8px 14px;border-radius:10px;color:var(--muted);font-size:14px}
.nav-chip:hover{color:var(--text);background:var(--panel-light)}
.nav-chip.active{background:var(--accent);color:#202717;font-weight:700;box-shadow:inset 0 -2px 0 rgba(0,0,0,.12)}
.nav-cta{margin-left:auto;white-space:nowrap}
.btn-main,.btn-sub,.text-link{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
 padding:11px 19px;border-radius:12px;font-weight:750;border:1px solid transparent;cursor:pointer
}
.btn-main{background:var(--accent);color:#202817;box-shadow:0 8px 24px rgba(217,238,135,.12)}
.btn-main:hover{background:#efffae;color:#17200f;transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,238,135,.2)}
.btn-main:active,.btn-sub:active{transform:translateY(0);box-shadow:none}
.btn-main:disabled,.btn-sub:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-sub{border-color:var(--line);background:rgba(255,255,255,.03);color:var(--text)}
.btn-sub:hover{border-color:var(--accent);background:rgba(217,238,135,.08);color:var(--accent);transform:translateY(-2px)}
.text-link{min-height:auto;padding:5px 0;color:var(--accent);border-radius:6px;font-size:14px}
.text-link:hover{color:#efffae;transform:translateX(3px)}
.eyebrow,.badge-soft{
 display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:12px;
 font-weight:800;letter-spacing:.12em;text-transform:uppercase
}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--accent)}
.badge-soft{letter-spacing:.06em;border:1px solid rgba(217,238,135,.22);padding:4px 9px;border-radius:99px;background:rgba(217,238,135,.06)}
.section{padding:74px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section-head h2,.section-title{font-size:clamp(25px,3vw,39px);line-height:1.28;letter-spacing:-.03em;margin:0}
.section-head p{max-width:540px;color:var(--muted);margin:0}
.section-kicker{color:var(--warm);font-size:13px;font-weight:800;margin-bottom:9px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
 padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:#c7d1c4;
 font-size:12px;background:rgba(255,255,255,.025)
}
.tag.warm{color:#f4c98e;border-color:rgba(231,183,123,.28);background:rgba(231,183,123,.07)}
.tag.active{color:#1e2818;background:var(--accent);border-color:var(--accent);font-weight:800}
.breadcrumb-wrap{padding:22px 0 0}
.breadcrumb{margin:0;font-size:13px}
.breadcrumb-item,.breadcrumb-item a{color:var(--muted)}
.breadcrumb-item.active{color:var(--accent)}
.breadcrumb-item+.breadcrumb-item:before{color:var(--faint)}

.topic-hero{padding:32px 0 52px;position:relative;overflow:hidden}
.topic-hero:before{
 content:"";position:absolute;inset:0 auto auto 58%;width:560px;height:560px;border-radius:50%;
 border:1px solid rgba(231,183,123,.15);box-shadow:0 0 0 52px rgba(231,183,123,.025),0 0 0 104px rgba(217,238,135,.018)
}
.topic-hero-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:stretch;position:relative}
.topic-copy{padding:35px 0 20px}
.topic-copy h1{
 font-size:clamp(35px,5.15vw,62px);line-height:1.15;letter-spacing:-.055em;
 margin:14px 0 18px;max-width:680px
}
.topic-copy h1 span{display:block;color:var(--accent)}
.lead{max-width:590px;color:#c3cbc1;font-size:17px;line-height:1.9;margin:0}
.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:27px}
.micro-note{margin:20px 0 0;color:var(--faint);font-size:13px}
.feature-stack{
 border:1px solid var(--line);border-radius:var(--radius);background:#1b231f;padding:18px;
 position:relative;overflow:hidden;min-height:390px;box-shadow:var(--shadow)
}
.feature-stack:after{
 content:"";position:absolute;right:-78px;bottom:-95px;width:290px;height:290px;border-radius:50%;
 background:radial-gradient(circle,rgba(217,238,135,.18),rgba(217,238,135,0) 66%)
}
.focus-card{
 min-height:235px;border-radius:16px;padding:24px;position:relative;overflow:hidden;
 background:linear-gradient(135deg,#384332 0%,#242e26 49%,#53603a 100%);border:1px solid rgba(217,238,135,.25)
}
.focus-card:before{
 content:"专题合集";position:absolute;right:18px;top:15px;color:rgba(243,240,231,.1);
 font-size:38px;font-weight:900;letter-spacing:-.1em
}
.focus-card > *{position:relative;z-index:1}
.focus-number{font-size:12px;color:var(--accent);font-weight:800;letter-spacing:.14em}
.focus-card h2{font-size:27px;line-height:1.32;max-width:360px;margin:17px 0 12px}
.focus-card p{color:#d2dbca;max-width:395px;font-size:14px;margin:0}
.focus-bottom{position:absolute;bottom:20px;left:24px;right:24px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.status-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#dce5d4}
.status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(217,238,135,.14)}
.mini-track{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;position:relative;z-index:1}
.mini-topic{
 padding:15px;border-radius:14px;border:1px solid var(--line);background:rgba(16,19,18,.58);
 transition:var(--ease)
}
.mini-topic:hover{transform:translateY(-3px);border-color:rgba(217,238,135,.45);background:#26312b}
.mini-topic strong{font-size:14px;display:block;margin:7px 0 4px}
.mini-topic span{font-size:12px;color:var(--muted)}

.filter-panel{
 padding:17px 20px;border:1px solid var(--line);background:var(--panel);border-radius:var(--radius-sm);
 display:flex;justify-content:space-between;gap:20px;align-items:center
}
.filter-label{font-weight:800;font-size:14px;white-space:nowrap}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.filter-chip{
 color:var(--muted);padding:7px 12px;border:1px solid var(--line);border-radius:999px;
 background:#19201d;font-size:13px;cursor:pointer;transition:var(--ease)
}
.filter-chip:hover{border-color:var(--accent);color:var(--text);transform:translateY(-1px)}
.filter-chip.active{background:var(--accent);color:#202817;border-color:var(--accent);font-weight:800}

.feature-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:22px}
.collection-card{
 min-height:364px;padding:30px;border-radius:var(--radius);border:1px solid var(--line);
 background:linear-gradient(145deg,#28332c,#1c241f 62%,#36402f);position:relative;overflow:hidden;transition:var(--ease)
}
.collection-card:hover{transform:translateY(-4px);border-color:rgba(217,238,135,.42);box-shadow:var(--shadow)}
.collection-card:after{
 content:"99";position:absolute;right:20px;bottom:-47px;font-size:176px;line-height:1;color:rgba(217,238,135,.08);font-weight:900
}
.collection-card h2{font-size:32px;line-height:1.3;margin:23px 0 12px;max-width:440px;position:relative}
.collection-card p{max-width:460px;color:#c4cdc1;margin:0;position:relative}
.collection-card .tag-row{margin-top:22px;position:relative}
.collection-card .text-link{position:absolute;left:30px;bottom:25px;z-index:1}
.side-content{display:flex;flex-direction:column;gap:12px}
.side-card{
 flex:1;padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--panel);
 transition:var(--ease);display:flex;flex-direction:column;justify-content:space-between
}
.side-card:hover{border-color:rgba(231,183,123,.48);background:var(--panel-light);transform:translateX(-3px)}
.side-card h3{font-size:17px;margin:10px 0 6px}
.side-card p{font-size:13px;line-height:1.72;color:var(--muted);margin:0}
.side-card .text-link{font-size:13px;margin-top:10px}

.topic-list{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:start}
.list-intro{
 position:sticky;top:102px;padding:27px;border-radius:var(--radius);background:#1c241f;border:1px solid var(--line)
}
.list-intro h2{font-size:29px;line-height:1.35;margin:14px 0}
.list-intro p{color:var(--muted);font-size:14px;margin-bottom:21px}
.notice-box{
 padding:13px 14px;border-left:3px solid var(--warm);background:rgba(231,183,123,.07);
 color:#d7c09d;border-radius:0 10px 10px 0;font-size:13px
}
.topic-rows{display:flex;flex-direction:column;gap:10px}
.topic-row{
 display:grid;grid-template-columns:58px 1fr auto;gap:17px;align-items:center;padding:18px 19px;
 border:1px solid var(--line);border-radius:15px;background:#18201c;transition:var(--ease)
}
.topic-row:hover{background:#222c26;border-color:rgba(217,238,135,.4);transform:translateX(4px)}
.row-index{color:var(--accent);font-size:13px;font-weight:900;letter-spacing:.08em}
.row-content h3{font-size:17px;margin:0 0 5px}
.row-content p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.row-action{
 width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;
 color:var(--accent);font-size:18px;transition:var(--ease)
}
.topic-row:hover .row-action{background:var(--accent);color:#1c2417;border-color:var(--accent)}

.choice-grid{display:grid;grid-template-columns:1fr .95fr;gap:24px}
.choice-card,.tips-card{
 border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--panel)
}
.choice-card h2,.tips-card h2{font-size:27px;line-height:1.35;margin:10px 0 19px}
.compare-option{
 padding:17px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:12px
}
.compare-option:first-of-type{border-top:0}
.option-icon{
 width:30px;height:30px;border-radius:9px;background:rgba(217,238,135,.1);color:var(--accent);
 display:grid;place-items:center;font-weight:900;font-size:13px
}
.compare-option strong{display:block;font-size:15px;margin-bottom:3px}
.compare-option p{color:var(--muted);font-size:13px;line-height:1.68;margin:0}
.tips-card{background:linear-gradient(155deg,#2b342a,#1c231f)}
.tip-number{color:var(--warm);font-size:13px;font-weight:900;letter-spacing:.12em}
.tips-list{list-style:none;padding:0;margin:18px 0 0}
.tips-list li{
 position:relative;padding:12px 0 12px 28px;border-top:1px solid var(--line);color:#c7d0c4;font-size:14px
}
.tips-list li:before{content:"✓";position:absolute;left:3px;top:12px;color:var(--accent);font-weight:900}
.tips-list li:first-child{border-top:0}

.faq-list .accordion-item{background:transparent;border:1px solid var(--line);margin-bottom:10px;border-radius:14px!important;overflow:hidden}
.faq-list .accordion-button{background:#19201c;color:var(--text);font-weight:700;padding:20px 22px;box-shadow:none}
.faq-list .accordion-button:not(.collapsed){background:#29352e;color:var(--accent)}
.faq-list .accordion-button::after{filter:invert(1);opacity:.7}
.faq-list .accordion-body{background:#151b18;color:var(--muted);padding:20px 22px;font-size:14px}
.cta{padding:68px 0}
.cta-box{
 border-radius:var(--radius);padding:42px 48px;background:var(--accent);color:#202817;
 display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden
}
.cta-box:after{content:"99";position:absolute;right:34px;bottom:-42px;font-size:150px;font-weight:900;color:rgba(32,40,23,.08)}
.cta-box h2{font-size:clamp(26px,3.5vw,39px);line-height:1.3;margin:0;position:relative;z-index:1}
.cta-box p{max-width:610px;margin:12px 0 0;color:#465332;position:relative;z-index:1}
.cta-box .btn-sub{border-color:rgba(32,40,23,.3);color:#202817;background:rgba(255,255,255,.18);position:relative;z-index:1}
.cta-box .btn-sub:hover{border-color:#202817;background:#f2f8c8;color:#202817}
.site-footer{border-top:1px solid var(--line);background:#0c0f0e;padding:48px 0 24px}
.footer-top{display:flex;justify-content:space-between;gap:36px;padding-bottom:34px}
.footer-brand{max-width:440px}
.footer-brand .brand{min-width:0}
.footer-brand p{margin:16px 0 0;color:var(--muted);font-size:14px}
.footer-links{display:flex;align-items:flex-start;justify-content:flex-end;gap:10px;flex-wrap:wrap;max-width:450px}
.footer-links a{
 color:var(--muted);padding:7px 10px;border-radius:8px;font-size:14px;border:1px solid transparent
}
.footer-links a:hover{color:var(--accent);border-color:var(--line);background:rgba(255,255,255,.03)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding-top:20px;color:var(--faint);font-size:12px}
.back-top{
 position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:13px;z-index:30;
 display:grid;place-items:center;background:#27322d;border:1px solid var(--line);color:var(--accent);
 box-shadow:var(--shadow);opacity:.9
}
.back-top:hover{background:var(--accent);color:#202817;transform:translateY(-3px)}
@media (max-width:991px){
 .nav-shell{gap:14px}.brand{min-width:208px;font-size:14px}.nav-cta{display:none}
 .topic-hero-grid,.feature-layout,.topic-list,.choice-grid{grid-template-columns:1fr}
 .list-intro{position:static}.topic-copy{padding-top:20px}.feature-stack{min-height:auto}
 .section{padding:62px 0}
}
@media (max-width:767px){
 .nav-shell{min-height:70px;padding-left:14px;padding-right:14px;display:block;padding-top:11px;padding-bottom:11px}
 .brand{min-width:0;margin-bottom:10px}.chip-nav{width:100%;max-width:100%;border-radius:12px}
 .nav-chip{padding:7px 11px;font-size:13px}.breadcrumb-wrap{padding-top:16px}
 .topic-hero{padding-top:22px}.topic-copy h1{font-size:37px}.lead{font-size:15px}
 .section-head{display:block}.section-head p{margin-top:11px}.filter-panel{align-items:flex-start;flex-direction:column}
 .collection-card{min-height:320px;padding:24px}.collection-card h2{font-size:27px}.topic-row{grid-template-columns:42px 1fr auto;gap:9px;padding:16px}
 .cta-box{padding:31px 25px;display:block}.cta-box .btn-sub{margin-top:20px}.footer-top,.footer-bottom{display:block}
 .footer-links{justify-content:flex-start;margin-top:25px}.footer-bottom span{display:block;margin-top:8px}.back-top{right:14px;bottom:14px}
}
@media (max-width:520px){
 .brand{font-size:13px}.brand-mark{width:34px;height:34px;border-radius:10px}
 .topic-copy h1{font-size:32px}.hero-actions .btn-main,.hero-actions .btn-sub{width:100%}
 .feature-stack{padding:12px}.focus-card{padding:20px;min-height:220px}.focus-card h2{font-size:23px}
 .mini-track{grid-template-columns:1fr}.section{padding:50px 0}.section-head h2,.section-title{font-size:26px}
 .collection-card .text-link{left:24px}.choice-card,.tips-card{padding:22px}.topic-row:hover{transform:none}
}

/* roulang page: category1 */
:root{
 --bg:#101312;
 --bg-soft:#171d1a;
 --panel:#202925;
 --panel-light:#27322d;
 --text:#f3f0e7;
 --muted:#a7b0a8;
 --faint:#707c73;
 --line:rgba(239,235,218,.13);
 --accent:#d9ee87;
 --accent-deep:#a8c858;
 --warm:#e7b77b;
 --danger:#e39b8e;
 --success:#92d4a5;
 --warning:#e7b77b;
 --radius:20px;
 --radius-sm:12px;
 --shadow:0 18px 50px rgba(0,0,0,.22);
 --shadow-sm:0 10px 28px rgba(0,0,0,.16);
 --ease:all .28s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 overflow-x:hidden;
 background:var(--bg);
 color:var(--text);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
}
body::selection{background:var(--accent);color:#1c2517}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
button,input{font:inherit}
button,a,input{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible{
 outline:3px solid rgba(217,238,135,.55);
 outline-offset:3px;
}
button:disabled,.btn-main:disabled,.btn-sub:disabled{
 opacity:.45;
 cursor:not-allowed;
 transform:none;
 box-shadow:none;
}
.container{max-width:1180px}
.site-header{
 position:sticky;
 top:0;
 z-index:50;
 background:rgba(16,19,18,.92);
 backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.nav-shell{
 min-height:78px;
 display:flex;
 align-items:center;
 gap:24px;
}
.brand{
 display:flex;
 align-items:center;
 gap:12px;
 min-width:238px;
 font-weight:800;
 font-size:15px;
 line-height:1.25;
}
.brand:hover{color:var(--text)}
.brand-mark{
 flex:0 0 auto;
 width:38px;
 height:38px;
 border-radius:12px;
 background:var(--accent);
 color:#1b2416;
 display:grid;
 place-items:center;
 font-weight:900;
 font-size:18px;
 box-shadow:0 0 0 5px rgba(217,238,135,.08);
}
.chip-nav{
 display:flex;
 align-items:center;
 gap:6px;
 padding:5px;
 background:#1a211e;
 border:1px solid var(--line);
 border-radius:15px;
 overflow-x:auto;
 scrollbar-width:none;
}
.chip-nav::-webkit-scrollbar{display:none}
.nav-chip{
 white-space:nowrap;
 padding:8px 14px;
 border:1px solid transparent;
 border-radius:10px;
 color:var(--muted);
 font-size:14px;
}
.nav-chip:hover{
 color:var(--text);
 background:var(--panel-light);
 border-color:var(--line);
 transform:translateY(-1px);
}
.nav-chip.active{
 background:var(--accent);
 color:#202717;
 font-weight:700;
 box-shadow:inset 0 -2px 0 rgba(0,0,0,.12);
}
.nav-chip:active{transform:translateY(1px)}
.nav-cta{margin-left:auto;white-space:nowrap}
.btn-main,.btn-sub,.text-link{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 min-height:46px;
 padding:11px 19px;
 border-radius:12px;
 font-weight:750;
 border:1px solid transparent;
 transition:var(--ease);
}
.btn-main{
 background:var(--accent);
 color:#202817;
 box-shadow:0 8px 24px rgba(217,238,135,.12);
}
.btn-main:hover{
 background:#efffae;
 color:#17200f;
 transform:translateY(-2px);
 box-shadow:0 12px 28px rgba(217,238,135,.2);
}
.btn-main:active,.btn-sub:active{transform:translateY(1px);box-shadow:none}
.btn-sub{
 border-color:var(--line);
 background:rgba(255,255,255,.03);
 color:var(--text);
}
.btn-sub:hover{
 border-color:var(--accent);
 background:rgba(217,238,135,.08);
 color:var(--accent);
 transform:translateY(-2px);
}
.text-link{
 min-height:42px;
 padding:8px 4px;
 color:var(--accent);
 border-radius:8px;
}
.text-link::after{content:"→";transition:transform .25s ease}
.text-link:hover::after{transform:translateX(4px)}
.breadcrumb-wrap{
 padding:24px 0 0;
 color:var(--faint);
 font-size:13px;
}
.breadcrumb-wrap ol{
 display:flex;
 align-items:center;
 gap:9px;
 margin:0;
 padding:0;
 list-style:none;
}
.breadcrumb-wrap li+li::before{content:"/";margin-right:9px;color:#566159}
.breadcrumb-wrap a:hover{color:var(--accent)}
.category-hero{
 padding:42px 0 48px;
 position:relative;
 overflow:hidden;
}
.category-hero::before{
 content:"";
 position:absolute;
 width:520px;
 height:520px;
 right:-220px;
 top:-245px;
 border:1px solid rgba(217,238,135,.13);
 border-radius:50%;
 box-shadow:0 0 0 65px rgba(217,238,135,.025),0 0 0 130px rgba(217,238,135,.016);
}
.category-hero::after{
 content:"";
 position:absolute;
 left:-8%;
 bottom:8px;
 width:36%;
 height:1px;
 background:linear-gradient(90deg,transparent,rgba(231,183,123,.45),transparent);
}
.hero-inner{
 display:grid;
 grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
 gap:34px;
 align-items:end;
 position:relative;
 z-index:1;
}
.eyebrow,.badge-soft{
 display:inline-flex;
 align-items:center;
 gap:7px;
 color:var(--accent);
 font-size:12px;
 font-weight:800;
 letter-spacing:.12em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
.category-hero h1{
 max-width:820px;
 margin:17px 0 18px;
 font-size:clamp(38px,5.4vw,68px);
 line-height:1.13;
 letter-spacing:-.045em;
 font-weight:900;
 overflow-wrap:anywhere;
}
.category-hero h1 span{
 display:block;
 margin-top:9px;
 color:var(--warm);
 font-size:.52em;
 line-height:1.35;
 letter-spacing:-.01em;
}
.lead{
 max-width:720px;
 margin:0;
 color:#c3cbc1;
 font-size:17px;
 line-height:1.95;
}
.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:27px}
.hero-index{
 border:1px solid var(--line);
 border-radius:var(--radius);
 background:linear-gradient(145deg,#29352e 0%,#18201c 62%,#252e23 100%);
 padding:24px;
 box-shadow:var(--shadow);
 position:relative;
 overflow:hidden;
}
.hero-index::after{
 content:"99";
 position:absolute;
 right:-7px;
 bottom:-58px;
 font-size:150px;
 line-height:1;
 font-weight:900;
 color:rgba(217,238,135,.045);
}
.index-title{
 display:flex;
 justify-content:space-between;
 gap:16px;
 align-items:center;
 padding-bottom:17px;
 border-bottom:1px solid var(--line);
}
.index-title strong{font-size:16px}
.status-badge,.tag,.filter-chip{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 border:1px solid var(--line);
 border-radius:999px;
 white-space:nowrap;
}
.status-badge{
 padding:5px 10px;
 color:var(--accent);
 background:rgba(217,238,135,.07);
 font-size:12px;
}
.status-badge::before{
 content:"";
 width:6px;
 height:6px;
 margin-right:6px;
 border-radius:50%;
 background:var(--accent);
 box-shadow:0 0 0 4px rgba(217,238,135,.08);
}
.index-list{display:grid;gap:5px;margin-top:13px}
.index-list a{
 display:flex;
 justify-content:space-between;
 align-items:center;
 gap:15px;
 min-height:48px;
 padding:9px 10px;
 border-radius:10px;
 color:#d9dfd6;
 font-size:14px;
}
.index-list a span:last-child{color:var(--faint);transition:var(--ease)}
.index-list a:hover{background:rgba(255,255,255,.05);color:var(--accent);padding-left:14px}
.index-list a:hover span:last-child{color:var(--accent);transform:translateX(3px)}
.section{padding:76px 0}
.section-alt{
 background:var(--bg-soft);
 border-top:1px solid rgba(255,255,255,.04);
 border-bottom:1px solid rgba(255,255,255,.04);
}
.section-head{
 display:flex;
 justify-content:space-between;
 align-items:end;
 gap:28px;
 margin-bottom:30px;
}
.section-head.compact{margin-bottom:22px}
.section-head h2{
 max-width:680px;
 margin:6px 0 0;
 font-size:clamp(28px,3.7vw,43px);
 line-height:1.28;
 letter-spacing:-.025em;
 font-weight:850;
}
.section-head p{max-width:540px;color:var(--muted);margin:0}
.section-kicker{color:var(--warm);font-size:13px;font-weight:800;margin-bottom:8px}
.filter-shell{
 border:1px solid var(--line);
 border-radius:var(--radius);
 background:var(--panel);
 padding:20px;
 box-shadow:var(--shadow-sm);
}
.filter-row{
 display:flex;
 align-items:center;
 gap:12px;
 flex-wrap:wrap;
}
.filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:3px}
.filter-chip{
 min-height:40px;
 padding:8px 14px;
 color:#c7d1c4;
 background:rgba(255,255,255,.025);
 font-size:13px;
 transition:var(--ease);
}
.filter-chip:hover{
 border-color:rgba(217,238,135,.5);
 color:var(--accent);
 transform:translateY(-2px);
}
.filter-chip.active{
 border-color:var(--accent);
 background:var(--accent);
 color:#202817;
 font-weight:800;
 box-shadow:inset 0 -2px 0 rgba(0,0,0,.12);
}
.filter-chip:active{transform:translateY(1px)}
.search-box{
 display:flex;
 gap:8px;
 margin-left:auto;
 min-width:310px;
}
.search-box label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.search-box input{
 width:100%;
 min-height:43px;
 border:1px solid var(--line);
 border-radius:11px;
 background:#161d19;
 color:var(--text);
 padding:9px 13px;
 transition:var(--ease);
}
.search-box input::placeholder{color:var(--faint)}
.search-box input:focus{
 border-color:var(--accent);
 background:#1b241f;
 box-shadow:0 0 0 4px rgba(217,238,135,.08);
 outline:none;
}
.search-button{
 min-width:72px;
 border:1px solid var(--line);
 border-radius:11px;
 background:var(--panel-light);
 color:var(--text);
 font-weight:700;
 transition:var(--ease);
}
.search-button:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.search-button:active{transform:translateY(1px)}
.search-feedback{
 display:none;
 margin:13px 0 0;
 color:var(--muted);
 font-size:13px;
}
.search-feedback.show{display:block}
.feature-layout{
 display:grid;
 grid-template-columns:minmax(0,1.18fr) minmax(310px,.82fr);
 gap:18px;
 margin-top:24px;
}
.feature-card,.mini-card,.guide-group,.notice-panel{
 border:1px solid var(--line);
 border-radius:var(--radius);
 background:var(--panel);
 transition:var(--ease);
}
.feature-card:hover,.mini-card:hover,.guide-group:hover{
 border-color:rgba(217,238,135,.38);
 transform:translateY(-4px);
 box-shadow:var(--shadow);
}
.feature-card{
 min-height:410px;
 padding:34px;
 display:flex;
 flex-direction:column;
 justify-content:space-between;
 background:
  linear-gradient(180deg,rgba(16,19,18,.06),rgba(16,19,18,.86)),
  linear-gradient(135deg,#394537,#1d2822 54%,#4b4931);
 position:relative;
 overflow:hidden;
}
.feature-card::before{
 content:"";
 position:absolute;
 width:270px;
 height:270px;
 right:-40px;
 top:-65px;
 border-radius:50%;
 border:1px solid rgba(217,238,135,.28);
 box-shadow:0 0 0 35px rgba(217,238,135,.04),0 0 0 70px rgba(217,238,135,.025);
}
.feature-number{
 position:relative;
 z-index:1;
 color:rgba(243,240,231,.16);
 font-size:82px;
 line-height:1;
 font-weight:900;
}
.feature-copy{position:relative;z-index:1;max-width:620px}
.feature-copy h3{font-size:30px;line-height:1.35;margin:12px 0 11px;font-weight:850}
.feature-copy p{color:#c2cbc0;margin:0 0 18px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
 padding:6px 10px;
 color:#c7d1c4;
 background:rgba(255,255,255,.035);
 font-size:12px;
}
.stack-list{display:grid;gap:18px}
.mini-card{
 min-height:196px;
 padding:24px;
 display:flex;
 flex-direction:column;
 justify-content:space-between;
}
.mini-card:nth-child(2){background:linear-gradient(145deg,#2c2b22,#202925)}
.card-top{display:flex;justify-content:space-between;align-items:start;gap:14px}
.card-icon{
 width:44px;
 height:44px;
 flex:0 0 auto;
 display:grid;
 place-items:center;
 border-radius:13px;
 background:rgba(217,238,135,.1);
 color:var(--accent);
 font-weight:900;
}
.card-status{color:var(--warm);font-size:12px}
.mini-card h3{font-size:20px;margin:18px 0 7px}
.mini-card p{font-size:14px;color:var(--muted);margin:0}
.card-link{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:13px;font-weight:800;margin-top:15px}
.card-link::after{content:"↗";transition:transform .25s ease}
.card-link:hover::after{transform:translate(2px,-2px)}
.groups-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.guide-group{padding:27px}
.group-heading{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:14px;
 padding-bottom:18px;
 margin-bottom:5px;
 border-bottom:1px solid var(--line);
}
.group-heading h3{font-size:21px;margin:0}
.group-heading span{font-size:12px;color:var(--faint)}
.guide-list{list-style:none;padding:0;margin:0}
.guide-list li{border-bottom:1px solid rgba(239,235,218,.08)}
.guide-list li:last-child{border-bottom:0}
.guide-list a{
 display:grid;
 grid-template-columns:42px 1fr auto;
 align-items:center;
 gap:13px;
 padding:17px 3px;
 border-radius:9px;
}
.guide-list a:hover{padding-left:9px;background:rgba(255,255,255,.025)}
.list-index{
 width:36px;
 height:36px;
 display:grid;
 place-items:center;
 border:1px solid var(--line);
 border-radius:10px;
 color:var(--warm);
 font-size:12px;
 font-weight:800;
}
.list-copy strong{display:block;font-size:15px;margin-bottom:2px}
.list-copy small{display:block;color:var(--muted);font-size:12px;line-height:1.65}
.list-arrow{color:var(--faint);font-size:18px;transition:var(--ease)}
.guide-list a:hover .list-arrow{color:var(--accent);transform:translateX(3px)}
.hidden-card{display:none!important}
.compare-shell{
 display:grid;
 grid-template-columns:.72fr 1.28fr;
 gap:18px;
 align-items:stretch;
}
.notice-panel{
 padding:30px;
 background:linear-gradient(150deg,#26312b,#181f1c);
}
.notice-panel h2{font-size:31px;line-height:1.4;margin:9px 0 14px}
.notice-panel p{color:var(--muted);margin:0}
.notice-points{display:grid;gap:12px;margin-top:25px}
.notice-point{
 display:flex;
 gap:11px;
 align-items:flex-start;
 padding:13px;
 border:1px solid rgba(239,235,218,.09);
 border-radius:12px;
 background:rgba(255,255,255,.025);
}
.point-mark{
 flex:0 0 auto;
 width:23px;
 height:23px;
 display:grid;
 place-items:center;
 border-radius:50%;
 background:var(--accent);
 color:#202817;
 font-size:12px;
 font-weight:900;
}
.notice-point strong{display:block;font-size:14px}
.notice-point span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.compare-track{
 border:1px solid var(--line);
 border-radius:var(--radius);
 background:var(--panel);
 padding:10px 26px;
}
.compare-step{
 display:grid;
 grid-template-columns:88px 1fr;
 gap:20px;
 padding:24px 0;
 border-bottom:1px solid var(--line);
}
.compare-step:last-child{border-bottom:0}
.step-label{
 height:32px;
 display:grid;
 place-items:center;
 border-radius:999px;
 background:rgba(231,183,123,.1);
 color:var(--warm);
 font-size:12px;
 font-weight:800;
}
.compare-step h3{font-size:18px;margin:0 0 6px}
.compare-step p{font-size:14px;color:var(--muted);margin:0}
.safety-strip{
 display:grid;
 grid-template-columns:auto 1fr auto;
 gap:18px;
 align-items:center;
 margin-top:20px;
 padding:19px 22px;
 border:1px dashed rgba(217,238,135,.28);
 border-radius:15px;
 background:rgba(217,238,135,.045);
}
.safety-strip strong{font-size:14px}
.safety-strip p{color:var(--muted);font-size:13px;margin:2px 0 0}
.safety-icon{
 width:42px;
 height:42px;
 display:grid;
 place-items:center;
 border-radius:12px;
 background:rgba(217,238,135,.12);
 color:var(--accent);
 font-weight:900;
}
.faq-list .accordion-item{
 background:transparent;
 border:1px solid var(--line);
 margin-bottom:10px;
 border-radius:14px!important;
 overflow:hidden;
}
.faq-list .accordion-button{
 min-height:64px;
 background:#19201c;
 color:var(--text);
 font-weight:700;
 padding:20px 22px;
 box-shadow:none;
}
.faq-list .accordion-button:hover{background:#202a25;color:var(--accent)}
.faq-list .accordion-button:not(.collapsed){background:#29352e;color:var(--accent)}
.faq-list .accordion-button::after{filter:invert(1);opacity:.7}
.faq-list .accordion-body{
 background:#151b18;
 color:var(--muted);
 padding:20px 22px;
 font-size:14px;
 line-height:1.9;
}
.cta{padding:62px 0}
.cta-box{
 border-radius:var(--radius);
 padding:42px 48px;
 background:var(--accent);
 color:#202817;
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:24px;
 position:relative;
 overflow:hidden;
}
.cta-box::after{
 content:"99";
 position:absolute;
 right:34px;
 bottom:-42px;
 font-size:150px;
 font-weight:900;
 color:rgba(32,40,23,.08);
}
.cta-copy{position:relative;z-index:1}
.cta-box h2{font-size:clamp(27px,3.5vw,42px);line-height:1.3;margin:0;font-weight:900}
.cta-box p{max-width:650px;margin:12px 0 0;color:#465332}
.cta-actions{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.cta-box .btn-sub{border-color:rgba(32,40,23,.3);color:#202817;background:rgba(255,255,255,.18)}
.cta-box .btn-sub:hover{border-color:#202817;background:rgba(255,255,255,.35);color:#202817}
.cta-dark{
 background:#202817;
 color:var(--text);
 border:1px solid #202817;
}
.cta-dark:hover{background:#101510;color:var(--accent);transform:translateY(-2px)}
.site-footer{
 padding:48px 0 24px;
 background:#0b0e0d;
 border-top:1px solid var(--line);
}
.footer-top{
 display:flex;
 justify-content:space-between;
 gap:38px;
 align-items:flex-start;
 padding-bottom:33px;
}
.footer-brand{max-width:500px}
.footer-brand .brand{display:inline-flex}
.footer-brand p{margin:16px 0 0;color:var(--muted);font-size:14px}
.footer-links{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a{
 padding:8px 11px;
 border:1px solid transparent;
 border-radius:9px;
 color:var(--muted);
 font-size:13px;
}
.footer-links a:hover{
 border-color:var(--line);
 background:var(--panel);
 color:var(--accent);
 transform:translateY(-2px);
}
.footer-bottom{
 display:flex;
 justify-content:space-between;
 gap:20px;
 padding-top:20px;
 border-top:1px solid var(--line);
 color:var(--faint);
 font-size:12px;
}
.back-top{
 position:fixed;
 right:22px;
 bottom:22px;
 z-index:40;
 width:46px;
 height:46px;
 display:grid;
 place-items:center;
 border:1px solid var(--line);
 border-radius:13px;
 background:rgba(32,41,37,.94);
 color:var(--accent);
 box-shadow:var(--shadow-sm);
 opacity:0;
 visibility:hidden;
 transform:translateY(10px);
 transition:var(--ease);
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--accent);color:#202817;border-color:var(--accent);transform:translateY(-3px)}
.empty-state{
 display:none;
 margin-top:18px;
 padding:28px;
 border:1px dashed var(--line);
 border-radius:var(--radius);
 text-align:center;
 color:var(--muted);
 background:rgba(255,255,255,.02);
}
.empty-state.show{display:block}
@media (max-width:1024px){
 .nav-shell{gap:14px}
 .brand{min-width:205px;font-size:13px}
 .nav-chip{padding:8px 10px}
 .hero-inner{grid-template-columns:1fr .65fr}
 .feature-layout{grid-template-columns:1fr}
 .stack-list{grid-template-columns:1fr 1fr}
 .compare-shell{grid-template-columns:1fr}
 .cta-box{align-items:flex-start}
}
@media (max-width:768px){
 .site-header{position:sticky}
 .nav-shell{min-height:auto;padding-top:13px;padding-bottom:12px;display:grid;grid-template-columns:1fr auto}
 .brand{min-width:0;font-size:13px}
 .nav-cta{margin:0;padding:9px 13px;min-height:42px}
 .chip-nav{grid-column:1/-1;width:100%;order:3}
 .category-hero{padding:34px 0 40px}
 .hero-inner{grid-template-columns:1fr}
 .category-hero h1{font-size:clamp(36px,9.4vw,53px)}
 .hero-index{margin-top:5px}
 .section{padding:60px 0}
 .section-head{display:block}
 .section-head p{margin-top:13px}
 .filter-row{align-items:stretch}
 .search-box{width:100%;min-width:0;margin-left:0}
 .groups-grid{grid-template-columns:1fr}
 .stack-list{grid-template-columns:1fr}
 .compare-step{grid-template-columns:1fr;gap:10px}
 .step-label{width:86px}
 .safety-strip{grid-template-columns:auto 1fr}
 .safety-strip .text-link{grid-column:1/-1;justify-content:flex-start}
 .cta-box{padding:34px 28px;display:block}
 .cta-actions{justify-content:flex-start;margin-top:24px}
 .footer-top,.footer-bottom{display:block}
 .footer-links{justify-content:flex-start;margin-top:24px}
 .footer-bottom span{display:block;margin-bottom:7px}
}
@media (max-width:520px){
 body{font-size:15px}
 .container{padding-left:18px;padding-right:18px}
 .brand span:last-child{max-width:170px}
 .nav-cta{display:none}
 .nav-shell{grid-template-columns:1fr}
 .chip-nav{grid-column:1;position:relative}
 .nav-chip{padding:8px 12px}
 .category-hero h1{font-size:34px;line-height:1.2;letter-spacing:-.035em}
 .category-hero h1 span{font-size:.56em}
 .lead{font-size:15px;line-height:1.85}
 .hero-actions .btn-main,.hero-actions .btn-sub{width:100%}
 .hero-index{padding:19px}
 .section{padding:50px 0}
 .section-head h2{font-size:28px}
 .filter-shell{padding:15px}
 .filter-row{gap:8px}
 .filter-chip{padding:7px 11px}
 .search-box{display:grid;grid-template-columns:1fr 70px}
 .feature-card{min-height:390px;padding:25px}
 .feature-number{font-size:65px}
 .feature-copy h3{font-size:25px}
 .mini-card,.guide-group,.notice-panel{padding:21px}
 .guide-list a{grid-template-columns:36px 1fr}
 .list-arrow{display:none}
 .compare-track{padding:7px 20px}
 .safety-strip{padding:16px}
 .cta{padding:46px 0}
 .cta-box{padding:30px 22px}
 .cta-actions .btn-main,.cta-actions .btn-sub,.cta-actions .cta-dark{width:100%}
 .footer-links{display:grid;grid-template-columns:1fr 1fr}
 .back-top{right:15px;bottom:15px}
}