/* roulang page: index */
:root{
      --plum:#35152f;--wine:#5b203d;--coral:#ed795c;--apricot:#ffc29f;
      --cream:#fffaf2;--paper:#fffdf8;--lavender:#f3e9ee;--ink:#302631;
      --muted:#766a76;--line:#e8dce1;--shadow:0 18px 48px rgba(73,35,57,.11);
      --radius:18px;--soft-radius:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{max-width:1200px;padding-left:24px;padding-right:24px}
    .topbar{background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:5}
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--plum);font-size:21px;letter-spacing:.02em}
    .brand-mark{width:38px;height:38px;background:var(--coral);color:#fff;border-radius:11px;display:grid;place-items:center;font-weight:900;box-shadow:4px 4px 0 var(--plum)}
    .notice{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
    .notice strong{color:var(--wine)}
    .nav-grid{display:flex;gap:10px;padding:0 0 18px;overflow-x:auto}
    .nav-item{min-width:125px;background:#faf2f1;border:1px solid var(--line);border-radius:13px;padding:10px 14px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}
    .nav-item .nav-icon{width:27px;height:27px;border-radius:8px;background:#fff;color:var(--wine);display:grid;place-items:center;font-weight:800}
    .nav-item:hover,.nav-item:focus-visible{border-color:var(--coral);color:var(--plum);transform:translateY(-2px);outline:none}
    .nav-item.active{background:var(--apricot);border-color:var(--apricot);color:var(--plum);font-weight:800}
    .hero{background:var(--plum);color:#fff;position:relative;overflow:hidden;padding:72px 0 78px}
    .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(255,194,159,.25);border-radius:50%}
    .hero:before{width:420px;height:420px;right:-100px;top:-220px}.hero:after{width:260px;height:260px;left:-120px;bottom:-160px}
    .hero-inner{position:relative;z-index:1}
    .eyebrow,.section-label{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
    .eyebrow{color:var(--apricot);margin-bottom:15px}
    h1,h2,h3{font-weight:900;line-height:1.22;letter-spacing:-.03em}
    h1{font-size:clamp(38px,5vw,68px);max-width:680px;margin:0 0 22px}
    .hero-copy{max-width:650px;color:#ead9e0;font-size:17px;margin-bottom:28px}
    .btn-main,.btn-lightline{border:0;border-radius:10px;padding:13px 22px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .btn-main{background:var(--coral);color:#fff}.btn-main:hover,.btn-main:focus-visible{background:#dc624c;color:#fff;transform:translateY(-2px);outline:3px solid rgba(255,194,159,.35)}
    .btn-lightline{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}.btn-lightline:hover,.btn-lightline:focus-visible{background:#fff;color:var(--plum);outline:3px solid rgba(255,194,159,.35)}
    .hero-stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
    .hero-stat{border-left:2px solid var(--coral);padding-left:12px;color:#f0dfe4;font-size:13px}.hero-stat b{display:block;font-size:22px;color:var(--apricot);line-height:1.2}
    .guide-wrap{position:relative;min-height:360px}
    .guide-shadow{position:absolute;width:265px;height:340px;background:var(--coral);right:42px;top:14px;transform:rotate(7deg);border-radius:5px}
    .guide{position:absolute;width:285px;min-height:350px;right:80px;top:0;background:var(--cream);color:var(--plum);padding:28px;border-radius:5px;box-shadow:var(--shadow);transform:rotate(-4deg)}
    .guide .guide-number{font-size:70px;font-weight:900;color:var(--coral);line-height:1}
    .guide h3{font-size:26px;margin:22px 0 13px}.guide p{font-size:13px;color:var(--muted);line-height:1.7}
    .guide-line{height:5px;background:var(--wine);width:70%;margin:18px 0 9px}.guide small{color:var(--muted)}
    section{padding:86px 0}.section-label{color:var(--coral);margin-bottom:13px}.section-title{font-size:clamp(29px,4vw,46px);margin-bottom:15px;color:var(--plum)}.section-intro{max-width:660px;color:var(--muted);font-size:16px}
    .promo{background:var(--lavender)}
    .promo-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
    .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .tier{background:var(--paper);border:1px solid var(--line);padding:25px;border-radius:var(--radius);position:relative}
    .tier.featured{background:var(--wine);color:#fff;transform:translateY(-12px);box-shadow:var(--shadow)}
    .tier-tag{display:inline-block;background:var(--apricot);color:var(--plum);padding:4px 9px;border-radius:20px;font-size:12px;font-weight:800;margin-bottom:17px}
    .tier h3{font-size:24px;margin:0 0 10px}.tier p{font-size:14px;color:var(--muted);min-height:52px}.featured p{color:#ead9e0}
    .tier-link{font-weight:800;color:var(--coral);font-size:14px}.featured .tier-link{color:var(--apricot)}
    .pain{background:var(--paper)}.pain-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;align-items:start}
    .pain-list{border-top:1px solid var(--line)}.pain-item{display:grid;grid-template-columns:55px 1fr 28px;gap:16px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .num{color:var(--coral);font-weight:900;font-size:18px}.pain-item h3{font-size:20px;margin:0 0 4px}.pain-item p{margin:0;color:var(--muted);font-size:14px}
    .arrow{color:var(--coral);font-size:23px}
    .solution{background:#f8eff1}.solution-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
    .path{display:grid;gap:12px}.path-step{display:flex;gap:15px;align-items:flex-start;padding:16px;border-left:3px solid var(--line)}.path-step.active{border-color:var(--coral);background:var(--paper);border-radius:0 var(--soft-radius) var(--soft-radius) 0}.step-dot{width:30px;height:30px;flex:none;border-radius:50%;background:var(--plum);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}.path-step h3{font-size:17px;margin:0 0 3px}.path-step p{margin:0;color:var(--muted);font-size:13px}
    .feature-panel{background:var(--plum);color:#fff;border-radius:24px;padding:34px;min-height:315px;position:relative;overflow:hidden}.feature-panel:after{content:"索引";position:absolute;right:-15px;bottom:-35px;font-size:150px;font-weight:900;color:rgba(255,194,159,.08)}.feature-panel h3{font-size:29px;max-width:430px}.feature-panel p{color:#ead9e0;max-width:480px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.chip{border:1px solid rgba(255,255,255,.25);padding:6px 11px;border-radius:20px;font-size:12px;color:var(--apricot)}
    .results{background:var(--wine);color:#fff}.results .section-title{color:#fff}.results .section-intro{color:#ead9e0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22)}.metric{padding:28px 20px;border-right:1px solid rgba(255,255,255,.18)}.metric:last-child{border:0}.metric b{display:block;color:var(--apricot);font-size:38px;line-height:1.1}.metric span{font-size:14px;color:#f2dfe5}
    .info{background:var(--cream)}.info-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:60px}.info-list{border-top:1px solid var(--line)}.info-row{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}.info-row h3{font-size:18px;margin:0}.info-row p{margin:4px 0 0;color:var(--muted);font-size:13px}.info-row time{font-size:12px;color:var(--coral);white-space:nowrap}.side-note{background:var(--apricot);border-radius:var(--radius);padding:27px;height:max-content}.side-note h3{font-size:24px;color:var(--plum)}.side-note p{color:#5d3b45;font-size:14px}.mini-link{color:var(--wine);font-weight:800;font-size:14px}
    .voices{background:var(--paper)}.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:35px}.voice{border:1px solid var(--line);padding:25px;border-radius:var(--radius);background:var(--cream)}.quote{font-size:36px;color:var(--coral);line-height:1}.voice p{font-size:16px;min-height:72px}.voice small{color:var(--muted);font-weight:700}
    .faq{background:var(--lavender)}.accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}.accordion-button{background:var(--paper);color:var(--plum);font-weight:800;padding:20px}.accordion-button:not(.collapsed){background:#fff1eb;color:var(--wine);box-shadow:none}.accordion-button:focus{box-shadow:0 0 0 3px rgba(237,121,92,.25)}.accordion-body{color:var(--muted);font-size:14px;padding:0 20px 21px}
    .cta{background:var(--plum);color:#fff;padding:74px 0}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{color:#fff;font-size:clamp(28px,4vw,44px);margin:0 0 12px}.cta p{color:#ead9e0;margin:0;max-width:620px}.footer{background:#251024;color:#dac7d0;padding:38px 0 24px}.footer-main{display:flex;justify-content:space-between;gap:35px;align-items:start}.footer .brand{color:#fff}.footer-links{display:flex;gap:22px;font-size:14px}.footer-links a:hover{color:var(--apricot)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:30px;padding-top:17px;color:#a9909b;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    .form-note{font-size:12px;color:#ecdde2;margin-top:12px}.lead-form{background:#fff8f3;padding:20px;border-radius:14px;margin-top:22px;max-width:460px}.lead-form .form-control{border:1px solid #e6cfd0;border-radius:8px;padding:11px;background:#fff}.lead-form .form-control:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(237,121,92,.16)}
    @media(max-width:991px){.hero{padding:58px 0}.guide-wrap{min-height:330px}.guide{right:70px}.pain-layout,.solution-grid{gap:35px}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric{border-bottom:1px solid rgba(255,255,255,.18)}}
    @media(max-width:767px){.container{padding-left:18px;padding-right:18px}.brand-row{min-height:68px}.notice{display:none}.brand{font-size:17px}.nav-grid{display:grid;grid-template-columns:repeat(2,1fr);padding-bottom:14px}.nav-item{min-width:0}.hero{padding:48px 0 55px}h1{font-size:42px}.hero-copy{font-size:15px}.guide-wrap{min-height:315px;margin-top:30px}.guide{right:calc(50% - 135px);width:270px}.guide-shadow{right:calc(50% - 128px);width:250px}.promo-head,.cta-box,.footer-main{display:block}.tier-grid,.voice-grid{grid-template-columns:1fr}.tier.featured{transform:none}.pain-layout,.solution-grid,.info-layout{grid-template-columns:1fr}.pain-layout{gap:32px}.info-layout{gap:30px}.metrics{margin-top:28px}.metric b{font-size:30px}.footer-links{margin-top:25px;flex-wrap:wrap}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
    @media(max-width:520px){section{padding:62px 0}.btn-main,.btn-lightline{width:100%}.hero .d-flex{display:grid!important;gap:10px!important}.hero-stats{gap:16px}.hero-stat{flex:1}.hero-stat b{font-size:19px}.info-row{display:block}.info-row time{display:block;margin-top:6px}.metrics{grid-template-columns:1fr}.metric{border-right:0!important}.metric:last-child{border-bottom:0}.section-title{font-size:32px}}

/* roulang page: category1 */
:root{
 --plum:#35152f;--wine:#5b203d;--coral:#ed795c;--apricot:#ffc29f;
 --cream:#fffaf2;--paper:#fffdf8;--lavender:#f3e9ee;--ink:#302631;
 --muted:#766a76;--line:#e8dce1;--shadow:0 18px 48px rgba(73,35,57,.11);
 --radius:18px;--soft-radius:12px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,select{font:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.topbar{background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:5}
.brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--plum);font-size:21px;letter-spacing:.02em}
.brand-mark{width:38px;height:38px;background:var(--coral);color:#fff;border-radius:11px;display:grid;place-items:center;font-weight:900;box-shadow:4px 4px 0 var(--plum)}
.notice{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:12px}
.notice strong{color:var(--wine);font-size:13px}
.nav-grid{display:flex;gap:10px;padding:0 0 18px;overflow-x:auto}
.nav-item{min-width:125px;background:#faf2f1;border:1px solid var(--line);border-radius:13px;padding:10px 14px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}
.nav-item .nav-icon{width:27px;height:27px;border-radius:8px;background:#fff;color:var(--wine);display:grid;place-items:center;font-weight:800}
.nav-item:hover,.nav-item:focus-visible{border-color:var(--coral);color:var(--plum);transform:translateY(-2px);outline:none}
.nav-item.active{background:var(--apricot);border-color:var(--apricot);color:var(--plum);font-weight:800}
.page-head{background:var(--plum);color:#fff;padding:68px 0 74px;position:relative;overflow:hidden}
.page-head:before{content:"专题";position:absolute;right:5%;top:-55px;color:rgba(255,194,159,.08);font-size:210px;font-weight:900;line-height:1}
.page-head-inner{position:relative;z-index:1}
.breadcrumb{--bs-breadcrumb-divider-color:var(--apricot);margin-bottom:24px}
.breadcrumb-item,.breadcrumb-item a{color:#e8d7de;font-size:13px}
.breadcrumb-item.active{color:var(--apricot)}
.eyebrow,.section-label{font-size:12px;letter-spacing:.18em;font-weight:800}
.eyebrow{color:var(--apricot);margin-bottom:14px}
.page-head h1{font-size:clamp(34px,5vw,64px);line-height:1.18;margin:0 0 18px;max-width:760px}
.page-head p{color:#ead9e0;font-size:17px;max-width:680px;margin:0}
.head-note{display:inline-flex;gap:8px;align-items:center;margin-top:28px;color:var(--apricot);font-size:13px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(237,121,92,.18)}
.index-section{padding:72px 0 88px}
.section-label{color:var(--coral);margin-bottom:12px}
.section-title{font-size:clamp(28px,4vw,44px);line-height:1.25;margin-bottom:14px;color:var(--plum)}
.section-intro{max-width:690px;color:var(--muted);font-size:16px}
.filter-bar{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:34px 0 44px;box-shadow:0 8px 24px rgba(73,35,57,.05)}
.filter-form{display:grid;grid-template-columns:1.4fr .8fr auto;gap:12px;align-items:center}
.form-control,.form-select{border:1px solid var(--line);background:#fffaf7;color:var(--ink);border-radius:10px;padding:12px 14px;font-size:14px}
.form-control:focus,.form-select:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(237,121,92,.18);outline:0}
.btn-main,.btn-lightline,.btn-text{border-radius:10px;padding:12px 20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-main{background:var(--coral);color:#fff;border:1px solid var(--coral)}
.btn-main:hover,.btn-main:focus-visible{background:#dc624c;color:#fff;transform:translateY(-2px);outline:3px solid rgba(255,194,159,.35)}
.btn-lightline{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-text{color:var(--wine);padding-left:0;padding-right:0}
.btn-text:hover,.btn-text:focus-visible{color:var(--coral);outline:0}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.tag{display:inline-flex;border:1px solid var(--line);border-radius:20px;padding:5px 12px;color:var(--muted);font-size:12px;background:var(--paper)}
.tag.active{background:var(--apricot);border-color:var(--apricot);color:var(--plum);font-weight:800}
.featured-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;margin-bottom:56px}
.feature-card,.index-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.feature-card{display:grid;grid-template-columns:.85fr 1.15fr;min-height:300px}
.cover{background:var(--wine);min-height:100%;position:relative;overflow:hidden;padding:24px;color:#fff}
.cover:after{content:"精选";position:absolute;right:-14px;bottom:-36px;font-size:116px;line-height:1;font-weight:900;color:rgba(255,194,159,.12)}
.cover-label{display:inline-block;background:var(--coral);padding:5px 10px;border-radius:5px;font-size:12px;font-weight:800}
.cover-number{font-size:72px;line-height:1;color:var(--apricot);font-weight:900;margin-top:80px}
.feature-content{padding:30px}
.feature-content h3{font-size:28px;line-height:1.35;color:var(--plum);margin:10px 0}
.feature-content p{color:var(--muted);font-size:14px}
.meta{font-size:12px;color:var(--coral);margin:18px 0}
.side-note{background:var(--lavender);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:space-between}
.side-note h3{color:var(--plum);font-size:25px;margin:0 0 12px}
.side-note p{color:var(--muted);font-size:14px}
.note-list{border-top:1px solid #dfcfd7;margin-top:20px}
.note-list div{display:flex;justify-content:space-between;border-bottom:1px solid #dfcfd7;padding:12px 0;font-size:13px}
.note-list b{color:var(--wine)}
.index-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}
.index-heading p{color:var(--muted);font-size:13px;margin:0}
.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.index-card{display:grid;grid-template-columns:150px 1fr;min-height:190px;box-shadow:0 8px 24px rgba(73,35,57,.06)}
.index-card:nth-child(even){transform:translateY(18px)}
.index-cover{background:linear-gradient(135deg,var(--apricot),#f8dfd0);padding:18px;color:var(--wine);font-size:38px;font-weight:900;display:flex;align-items:end}
.index-card:nth-child(3) .index-cover{background:var(--lavender)}
.index-card:nth-child(4) .index-cover{background:#f4c5b6}
.card-body{padding:22px}
.card-body h3{color:var(--plum);font-size:19px;line-height:1.4;margin:8px 0}
.card-body p{color:var(--muted);font-size:13px;margin:0 0 10px}
.card-tag{color:var(--coral);font-size:11px;font-weight:800}
.pagination-wrap{display:flex;justify-content:center;margin-top:54px}
.page-link{color:var(--wine);border-color:var(--line);background:var(--paper);margin:0 3px;border-radius:8px!important}
.page-link:hover,.page-item.active .page-link{background:var(--coral);border-color:var(--coral);color:#fff}
.faq{background:var(--lavender);padding:75px 0}
.accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}
.accordion-button{background:var(--paper);color:var(--plum);font-weight:800;padding:20px}
.accordion-button:not(.collapsed){background:#fff1eb;color:var(--wine);box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(237,121,92,.25)}
.accordion-body{color:var(--muted);font-size:14px;padding:0 20px 21px}
.cta{background:var(--plum);color:#fff;padding:74px 0}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{color:#fff;font-size:clamp(28px,4vw,44px);margin:0 0 12px}
.cta p{color:#ead9e0;margin:0;max-width:650px}
.footer{background:#251024;color:#dac7d0;padding:38px 0 24px}
.footer-main{display:flex;justify-content:space-between;gap:35px;align-items:start}
.footer .brand{color:#fff}
.footer-links{display:flex;gap:22px;font-size:14px}
.footer-links a:hover,.footer-links a:focus-visible{color:var(--apricot);outline:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:30px;padding-top:17px;color:#a9909b;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:900px){
 .featured-wrap{grid-template-columns:1fr}
 .filter-form{grid-template-columns:1fr 1fr}
 .filter-form .btn-main{grid-column:span 2}
}
@media(max-width:768px){
 .container{padding-left:18px;padding-right:18px}
 .brand-row{min-height:68px;align-items:flex-start;padding-top:15px;flex-direction:column;gap:10px}
 .notice{font-size:11px}
 .nav-grid{padding-bottom:14px}
 .page-head{padding:50px 0 56px}
 .index-section{padding:55px 0 70px}
 .feature-card{grid-template-columns:1fr}
 .cover{min-height:150px}
 .cover-number{margin-top:35px}
 .index-list{grid-template-columns:1fr}
 .index-card:nth-child(even){transform:none}
 .cta-box{align-items:flex-start;flex-direction:column}
 .footer-main,.footer-bottom{flex-direction:column}
}
@media(max-width:520px){
 .brand{font-size:18px}
 .brand-mark{width:34px;height:34px}
 .filter-form{grid-template-columns:1fr}
 .filter-form .btn-main{grid-column:auto;width:100%}
 .index-heading{display:block}
 .index-heading p{margin-top:8px}
 .index-card{grid-template-columns:108px 1fr}
 .index-cover{padding:13px;font-size:28px}
 .card-body{padding:17px 14px}
 .card-body h3{font-size:17px}
 .btn-main{width:100%}
}