/* roulang page: index */
:root{
      --ink:#20201f;
      --ink-2:#2b2729;
      --plum:#4e354e;
      --plum-deep:#38263a;
      --mist:#b7a7ba;
      --coral:#d46f58;
      --sage:#84948a;
      --paper:#f5f2ee;
      --paper-2:#ebe6e1;
      --white:#fffdfa;
      --muted:#756e6b;
      --line:rgba(32,32,31,.13);
      --dark-line:rgba(255,255,255,.15);
      --shadow:0 12px 36px rgba(37,31,31,.08);
      --shadow-hover:0 18px 44px rgba(37,31,31,.13);
      --radius:18px;
      --ease:280ms cubic-bezier(.2,.7,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    .container{max-width:1240px}
    .site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border:1px solid var(--plum);border-radius:10px;display:grid;place-items:center;color:var(--plum);position:relative}
    .brand-mark:after{content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid var(--coral);margin-left:3px}
    .utility{display:flex;align-items:center;gap:9px}
    .utility-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--plum);display:grid;place-items:center;transition:var(--ease)}
    .utility-btn:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
    .icon-nav{display:flex;align-items:stretch;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
    .icon-nav::-webkit-scrollbar{display:none}
    .nav-item{min-width:170px;flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 16px;color:var(--muted);font-size:14px;font-weight:700;border-right:1px solid var(--line);position:relative;transition:var(--ease)}
    .nav-item:first-child{border-left:1px solid var(--line)}
    .nav-item svg{width:19px;height:19px;stroke:currentColor}
    .nav-item:hover{color:var(--plum);background:#eee9e6}
    .nav-item.active{color:var(--plum);background:#e9e1e8}
    .nav-item.active:after{content:"";height:3px;background:var(--coral);position:absolute;bottom:0;left:26%;right:26%;border-radius:4px 4px 0 0}
    .hero{background:var(--ink);color:var(--paper);padding:92px 0 34px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(183,167,186,.2);border-radius:50%;right:-100px;top:-160px}
    .hero:after{content:"";position:absolute;inset:0;opacity:.1;background-image:radial-gradient(var(--mist) 1px,transparent 1px);background-size:18px 18px;mask-image:linear-gradient(90deg,transparent,black)}
    .hero .container{position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--coral)}
    h1{font-size:clamp(44px,6.3vw,76px);line-height:1.08;letter-spacing:-.075em;font-weight:800;max-width:760px;margin:18px 0 25px}
    .hero-copy{font-size:18px;color:#d9d1cc;max-width:650px;line-height:1.85}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .btn-main,.btn-accent,.btn-outline{min-height:48px;border-radius:11px;padding:11px 23px;font-weight:800;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease)}
    .btn-main{background:var(--plum);color:var(--white)}
    .btn-main:hover{background:#654661;color:var(--white);transform:translateY(-3px)}
    .btn-accent{background:var(--coral);color:var(--white)}
    .btn-accent:hover{background:#b95e4c;color:var(--white);transform:translateY(-3px)}
    .btn-outline{border-color:rgba(245,242,238,.4);color:var(--paper);background:transparent}
    .btn-outline:hover{background:rgba(255,255,255,.1);color:var(--white);transform:translateY(-3px)}
    .hero-layout{display:grid;grid-template-columns:1.03fr .97fr;gap:68px;align-items:center}
    .index-panel{background:#2a2827;border:1px solid rgba(255,255,255,.17);border-radius:22px;padding:22px;box-shadow:0 24px 60px rgba(0,0,0,.22);transform:rotate(1.2deg)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;color:#c5bbb7;font-size:12px;padding-bottom:18px;border-bottom:1px solid var(--dark-line)}
    .live-dot{width:8px;height:8px;border-radius:50%;background:var(--coral);display:inline-block;margin-right:7px;box-shadow:0 0 0 5px rgba(212,111,88,.14)}
    .index-card{display:grid;grid-template-columns:76px 1fr auto;align-items:center;gap:14px;padding:17px 0;border-bottom:1px solid var(--dark-line)}
    .index-card:last-child{border:0}
    .abstract-cover{height:62px;border-radius:12px;background:linear-gradient(135deg,#69546b 0 38%,#332c32 38% 64%,#b6a29a 64%);position:relative;overflow:hidden}
    .abstract-cover:after{content:"";position:absolute;inset:10px;border:1px solid rgba(255,255,255,.35);border-radius:7px}
    .abstract-cover.alt{background:linear-gradient(135deg,#84948a 0 35%,#262625 35% 72%,#d46f58 72%)}
    .abstract-cover.soft{background:linear-gradient(135deg,#c1b4bd 0 45%,#4e354e 45% 75%,#5f7168 75%)}
    .index-title{font-weight:700;font-size:15px;color:var(--white);margin-bottom:3px}
    .index-meta{font-size:12px;color:#a9a09b}
    .progress-line{height:4px;border-radius:4px;background:#4a4644;margin-top:8px;overflow:hidden}
    .progress-line span{height:100%;display:block;background:var(--coral);border-radius:4px}
    .favorite{color:#d7c9d3;font-size:18px}
    .quick-strip{margin-top:70px;border-top:1px solid rgba(255,255,255,.2);display:flex;gap:0}
    .quick-item{flex:1;padding:20px 20px 0;border-right:1px solid rgba(255,255,255,.18);font-size:13px;color:#afa6a1}
    .quick-item:first-child{padding-left:0}
    .quick-item:last-child{border:0}
    .quick-item strong{display:block;color:var(--paper);font-size:23px;line-height:1.2;margin-bottom:3px}
    section{padding:108px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:45px}
    h2{font-size:clamp(32px,4vw,46px);line-height:1.15;letter-spacing:-.06em;margin:10px 0 0;font-weight:800}
    .section-intro{max-width:550px;color:var(--muted);margin:0}
    .service-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:74px;align-items:start}
    .section-number{font-size:88px;line-height:.9;color:var(--mist);font-weight:800;letter-spacing:-.1em}
    .filter-line{display:flex;flex-wrap:wrap;gap:8px;border:1px solid var(--line);padding:13px;border-radius:14px;margin-bottom:18px;background:var(--white)}
    .tag{display:inline-flex;align-items:center;min-height:29px;padding:3px 11px;border-radius:30px;background:#e9e1e8;color:var(--plum);font-size:12px;font-weight:700}
    .tag.sage{background:#dfe7e1;color:#53685e}.tag.coral{background:#f3ddd7;color:#9b4e40}.tag.neutral{background:#ebe8e4;color:#655e5a}
    .module-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .module-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:var(--ease)}
    .module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--mist)}
    .module-icon{width:43px;height:43px;background:#eee7ed;color:var(--plum);border-radius:12px;display:grid;place-items:center;margin-bottom:20px}
    .module-icon svg{width:21px}
    h3{font-size:19px;letter-spacing:-.035em;margin:0 0 7px;font-weight:800}
    .module-card p{color:var(--muted);font-size:14px;margin:0 0 16px;line-height:1.7}
    .micro-link{font-size:13px;color:var(--plum);font-weight:800}
    .micro-link span{display:inline-block;transition:var(--ease)}.micro-link:hover span{transform:translateX(4px)}
    .stats{background:var(--plum-deep);color:var(--paper);position:relative;overflow:hidden}
    .stats:before{content:"";position:absolute;right:8%;top:18%;width:260px;height:180px;border:1px solid rgba(183,167,186,.2);background:repeating-linear-gradient(90deg,transparent 0 27px,rgba(183,167,186,.1) 28px 29px);transform:skewY(-14deg)}
    .stats .container{position:relative;z-index:1}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--dark-line);border-bottom:1px solid var(--dark-line)}
    .stat{padding:33px 27px;border-right:1px solid var(--dark-line)}
    .stat:first-child{padding-left:0}.stat:last-child{border:0}
    .stat strong{font-size:54px;line-height:1;color:var(--paper);letter-spacing:-.08em;display:block}
    .stat strong em{font-style:normal;color:var(--coral)}
    .stat span{display:block;color:#c7bcbc;font-size:14px;margin-top:13px;max-width:150px}
    .path-list{display:grid;gap:25px}
    .path-item{display:grid;grid-template-columns:72px 1fr 330px;gap:25px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .path-item:hover{padding-left:8px}
    .path-item:nth-child(2){padding-left:7%;}.path-item:nth-child(2):hover{padding-left:calc(7% + 8px)}
    .path-no{font-size:14px;color:var(--coral);font-weight:800}
    .path-thumb{height:125px;border-radius:16px;background:linear-gradient(130deg,#4e354e,#a88d9f 48%,#d46f58 48%);position:relative;overflow:hidden}
    .path-thumb:before{content:"索引 / 标签 / 收藏";position:absolute;left:18px;bottom:15px;color:var(--white);font-size:12px;letter-spacing:.08em}
    .path-thumb.second{background:linear-gradient(130deg,#84948a 0 40%,#30302d 40% 70%,#c0b2a4 70%)}
    .path-item p{color:var(--muted);font-size:14px;margin:0 0 10px}
    .plans{background:#ece7e2}
    .plans-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:76px;align-items:start}
    .sticky-note{position:sticky;top:150px}
    .sticky-note p{color:var(--muted);margin:20px 0 25px}
    .entry-stack{display:grid;gap:12px}
    .entry{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:23px 26px;display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:17px;transition:var(--ease)}
    .entry:hover,.entry.current{background:var(--plum);color:var(--white);transform:translateX(6px);box-shadow:var(--shadow)}
    .entry-no{color:var(--coral);font-size:13px;font-weight:800}.entry p{font-size:13px;color:var(--muted);margin:4px 0 0}.entry:hover p,.entry.current p{color:#d8cad5}
    .entry-arrow{font-size:23px;color:var(--coral)}
    .faq-wrap{max-width:900px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);box-shadow:none!important;padding:24px 8px;font-weight:800;font-size:17px}
    .accordion-button:before{content:attr(data-no);color:var(--coral);font-size:13px;margin-right:20px}
    .accordion-button:after{background-image:none;content:"+";font-size:26px;font-weight:400;color:var(--plum);width:auto;height:auto}
    .accordion-button:not(.collapsed):after{content:"−"}
    .accordion-body{background:#eee8ee;border-radius:12px;padding:20px 28px 22px;margin:0 8px 14px;color:#625a61;font-size:15px}
    .contact{padding-top:80px}.contact-box{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:44px;box-shadow:var(--shadow)}
    .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px}
    .contact-copy p{color:var(--muted);margin:18px 0 22px}
    .form-label{font-size:13px;font-weight:800;margin-bottom:7px}.form-control,.form-select{border:1px solid #cfc7c2;border-radius:11px;min-height:48px;background:#fffdfa}.form-control:focus,.form-select:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(183,167,186,.3)}
    textarea.form-control{min-height:125px}.form-check-label{font-size:13px;color:var(--muted)}
    .site-footer{background:var(--ink);color:#c9c0bb;padding:67px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:42px;padding-bottom:45px}
    .footer-brand{color:var(--paper);font-size:19px;font-weight:800}.footer-copy{font-size:13px;line-height:1.8;color:#9f9691;max-width:280px;margin-top:15px}
    .footer-title{color:var(--paper);font-size:14px;font-weight:800;margin-bottom:15px}.footer-link{display:block;color:#aaa19c;font-size:13px;margin:8px 0;transition:var(--ease)}.footer-link:hover{color:var(--coral);transform:translateX(3px)}
    .footer-bottom{border-top:1px solid var(--dark-line);padding-top:22px;display:flex;justify-content:space-between;gap:20px;color:#958c87;font-size:12px}
    .notice{border-left:3px solid var(--coral);padding-left:14px}
    @media(max-width:991px){
      .hero-layout,.service-layout,.plans-layout,.contact-grid{grid-template-columns:1fr;gap:40px}
      .hero{padding-top:68px}.index-panel{max-width:650px}
      .stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--dark-line)}
      .path-item{grid-template-columns:55px 1fr 250px}.sticky-note{position:static}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
      .brand-row{min-height:68px}.brand{font-size:16px}.utility-btn{width:37px;height:37px}
      .nav-item{min-width:145px;padding:11px 10px;font-size:13px}
      .hero{padding:56px 0 28px}h1{font-size:47px}.hero-copy{font-size:16px}.quick-strip{margin-top:46px;display:grid;grid-template-columns:repeat(2,1fr)}.quick-item{padding:15px 10px;border-bottom:1px solid rgba(255,255,255,.18)}.quick-item:first-child{padding-left:10px}.quick-item:nth-child(2){border-right:0}
      section{padding:72px 0}.section-head{display:block;margin-bottom:30px}.section-intro{margin-top:16px}.section-number{font-size:68px;margin-bottom:20px}
      .module-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.stat,.stat:nth-child(2){border-right:0;border-bottom:1px solid var(--dark-line)!important;padding:26px 0}.stat:last-child{border-bottom:0!important}
      .path-item,.path-item:nth-child(2){grid-template-columns:40px 1fr;gap:13px;padding-left:0}.path-thumb{grid-column:2;height:150px;order:3}.path-item .micro-link{grid-column:2}
      .entry{grid-template-columns:38px 1fr 20px;padding:19px 16px}.contact-box{padding:28px 20px}.contact-grid{gap:30px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
 --ink:#20201f;--ink-2:#2b2729;--plum:#4e354e;--plum-deep:#38263a;
 --mist:#b7a7ba;--coral:#d46f58;--sage:#84948a;--paper:#f5f2ee;
 --paper-2:#ebe6e1;--white:#fffdfa;--muted:#756e6b;
 --line:rgba(32,32,31,.13);--dark-line:rgba(255,255,255,.15);
 --shadow:0 12px 36px rgba(37,31,31,.08);
 --shadow-hover:0 18px 44px rgba(37,31,31,.13);
 --radius:18px;--ease:280ms cubic-bezier(.2,.7,.2,1)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
.container{max-width:1240px}
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:-.04em}
.brand-mark{width:34px;height:34px;border:1px solid var(--plum);border-radius:10px;display:grid;place-items:center;color:var(--plum);position:relative}
.brand-mark:after{content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid var(--coral);margin-left:3px}
.utility{display:flex;gap:9px}
.utility-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--plum);display:grid;place-items:center;transition:var(--ease)}
.utility-btn:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
.icon-nav{display:flex;align-items:stretch;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.icon-nav::-webkit-scrollbar{display:none}
.nav-item{min-width:170px;flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 16px;color:var(--muted);font-size:14px;font-weight:700;border-right:1px solid var(--line);position:relative;transition:var(--ease)}
.nav-item:first-child{border-left:1px solid var(--line)}
.nav-item svg{width:19px;height:19px;stroke:currentColor}
.nav-item:hover{color:var(--plum);background:#eee9e6}
.nav-item.active{color:var(--plum);background:#e9e1e8}
.nav-item.active:after{content:"";height:3px;background:var(--coral);position:absolute;bottom:0;left:26%;right:26%;border-radius:4px 4px 0 0}
.page-band{background:var(--ink);color:var(--paper);padding:70px 0 74px;position:relative;overflow:hidden}
.page-band:after{content:"";position:absolute;right:6%;top:-120px;width:330px;height:330px;border:1px solid rgba(183,167,186,.24);border-radius:50%;box-shadow:0 0 0 30px rgba(183,167,186,.04),0 0 0 62px rgba(183,167,186,.03)}
.page-band .container{position:relative;z-index:1}
.breadcrumbs{display:flex;gap:10px;align-items:center;color:#b9afab;font-size:13px;margin-bottom:28px}
.breadcrumbs a:hover{color:var(--white)}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;font-weight:800;color:var(--coral)}
.page-band h1{font-size:clamp(38px,5vw,68px);line-height:1.08;letter-spacing:-.065em;margin:0 0 20px;font-weight:800;max-width:760px}
.band-copy{max-width:700px;color:#d9d1cc;font-size:17px;margin:0}
.band-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.band-meta span{border:1px solid rgba(255,255,255,.2);border-radius:30px;padding:6px 13px;color:#d3c9c4;font-size:13px}
main{overflow:hidden}
.update-section{padding:88px 0}
.filter-line{display:flex;align-items:center;gap:12px;overflow-x:auto;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:56px;scrollbar-width:none}
.filter-line::-webkit-scrollbar{display:none}
.filter-btn{white-space:nowrap;border:1px solid var(--line);background:var(--white);color:var(--muted);border-radius:30px;padding:8px 17px;font-size:13px;font-weight:700;transition:var(--ease)}
.filter-btn:hover,.filter-btn.active{background:var(--plum);border-color:var(--plum);color:var(--white)}
.timeline-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:72px}
.timeline{position:relative}
.timeline:before{content:"";position:absolute;left:112px;top:18px;bottom:18px;width:1px;background:var(--line)}
.timeline-entry{display:grid;grid-template-columns:90px 1fr;gap:46px;position:relative;margin-bottom:54px}
.date{text-align:right;padding-top:4px;color:var(--plum);font-weight:800;line-height:1.25}
.date strong{display:block;font-size:30px;letter-spacing:-.06em}
.date small{font-size:12px;color:var(--muted);font-weight:700}
.timeline-dot{position:absolute;left:106px;top:13px;width:13px;height:13px;background:var(--coral);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--coral)}
.update-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;transition:var(--ease);position:relative}
.update-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--mist)}
.update-card.featured{background:var(--plum);color:var(--paper);padding:33px}
.update-card h2,.update-card h3{font-size:22px;line-height:1.3;letter-spacing:-.035em;margin:12px 0 10px}
.update-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
.update-card.featured p{color:#d8cfda}
.card-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.status{font-size:12px;font-weight:800;color:var(--sage)}
.featured .status{color:#f2b2a3}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:3px 11px;border-radius:30px;background:#e9e1e8;color:var(--plum);font-size:12px;font-weight:700}
.tag.sage{background:#dfe7e1;color:#53685e}.tag.coral{background:#f3ddd7;color:#9b4e40}.tag.neutral{background:#ebe8e4;color:#655e5a}
.featured .tag{background:rgba(255,255,255,.12);color:#eee4eb}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:21px;color:var(--plum);font-size:14px;font-weight:800}
.card-link:hover{color:var(--coral)}
.featured .card-link{color:#fff}
.card-link span{transition:var(--ease)}.card-link:hover span{transform:translateX(4px)}
.side-panel{align-self:start;position:sticky;top:150px}
.side-box{border-top:3px solid var(--plum);padding-top:19px;margin-bottom:38px}
.side-box h2{font-size:18px;letter-spacing:-.03em;margin:0 0 15px}
.side-box p{font-size:14px;color:var(--muted);margin:0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-note{background:var(--paper-2);border-radius:14px;padding:18px;font-size:13px;color:var(--muted)}
.side-note strong{display:block;color:var(--ink);margin-bottom:5px}
.continue-band{background:var(--paper-2);padding:76px 0}
.continue-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.continue-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;display:flex;justify-content:space-between;gap:18px;align-items:center;transition:var(--ease)}
.continue-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.continue-card h3{font-size:18px;margin:0 0 5px}.continue-card p{font-size:13px;color:var(--muted);margin:0}
.arrow{font-size:24px;color:var(--coral)}
.faq-section{padding:94px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:40px}
.section-head h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.06em;line-height:1.15;margin:0}
.section-intro{max-width:520px;color:var(--muted);margin:0}
.faq-wrap{max-width:920px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)!important}
.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;font-size:17px;padding:23px 8px 23px 0}
.accordion-button:before{content:"";display:inline-grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--plum);color:var(--white);margin-right:15px;font-size:12px}
.accordion-item:nth-child(1) .accordion-button:before{content:"01"}.accordion-item:nth-child(2) .accordion-button:before{content:"02"}.accordion-item:nth-child(3) .accordion-button:before{content:"03"}.accordion-item:nth-child(4) .accordion-button:before{content:"04"}
.accordion-button:after{background-size:14px}.accordion-body{padding:0 45px 24px;color:var(--muted);font-size:14px}
.cta{background:var(--plum-deep);color:var(--paper);padding:78px 0}
.cta-grid{display:flex;justify-content:space-between;align-items:center;gap:35px}
.cta h2{font-size:clamp(28px,4vw,43px);line-height:1.18;letter-spacing:-.06em;margin:0 0 12px}
.cta p{color:#d5cbd4;max-width:620px;margin:0}
.site-footer{background:var(--ink);color:var(--paper);padding:65px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:35px}
.footer-brand{font-size:20px;font-weight:800;letter-spacing:-.04em}
.footer-copy{color:#b5aba5;font-size:13px;line-height:1.8;margin:12px 0 0}
.footer-title{font-size:13px;color:var(--coral);font-weight:800;margin-bottom:13px}
.footer-link{display:block;color:#c9c0ba;font-size:14px;margin:6px 0;transition:var(--ease)}
.footer-link:hover{color:var(--white);transform:translateX(3px)}
.footer-bottom{border-top:1px solid var(--dark-line);margin-top:45px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#9d938e;font-size:12px}
.modal-content{background:var(--paper);border:0;border-radius:18px}.modal-header{border-bottom:1px solid var(--line)}.search-input{height:50px;border:1px solid var(--line);border-radius:11px;padding:0 15px;background:var(--white);width:100%}
@media(max-width:991px){.timeline-layout{grid-template-columns:1fr;gap:45px}.side-panel{position:static;display:grid;grid-template-columns:1fr 1fr;gap:25px}.side-box{margin:0}.footer-grid{grid-template-columns:1fr 1fr}.page-band{padding:58px 0 62px}}
@media(max-width:767px){.brand-row{min-height:67px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}.nav-item{min-width:130px;padding:11px 12px;font-size:13px}.page-band h1{font-size:42px}.update-section,.faq-section{padding:62px 0}.timeline:before{left:20px}.timeline-entry{grid-template-columns:45px 1fr;gap:20px;margin-bottom:34px}.date{text-align:left;padding-top:0}.date strong{font-size:21px}.date small{font-size:10px}.timeline-dot{left:14px}.update-card,.update-card.featured{padding:22px}.side-panel{display:block}.side-box{margin-bottom:28px}.continue-grid{grid-template-columns:1fr}.section-head{display:block}.section-head h2{margin-bottom:15px}.cta-grid{display:block}.cta .btn-accent{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}.accordion-button{font-size:15px;align-items:flex-start}.accordion-body{padding-left:42px}}
@media(max-width:520px){.utility-btn{width:36px;height:36px}.brand-row{gap:8px}.brand{gap:8px}.icon-nav{margin:0 -12px}.page-band h1{font-size:36px}.band-copy{font-size:15px}.filter-line{margin-bottom:38px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:48px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --ink:#20201f;
      --ink-2:#2b2729;
      --plum:#4e354e;
      --plum-deep:#38263a;
      --mist:#b7a7ba;
      --coral:#d46f58;
      --sage:#84948a;
      --paper:#f5f2ee;
      --paper-2:#ebe6e1;
      --white:#fffdfa;
      --muted:#756e6b;
      --line:rgba(32,32,31,.13);
      --dark-line:rgba(255,255,255,.15);
      --shadow:0 12px 36px rgba(37,31,31,.08);
      --shadow-hover:0 18px 44px rgba(37,31,31,.13);
      --radius:18px;
      --ease:280ms cubic-bezier(.2,.7,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    .container{max-width:1240px}
    .site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;border:1px solid var(--plum);border-radius:10px;display:grid;place-items:center;color:var(--plum);position:relative}
    .brand-mark:after{content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid var(--coral);margin-left:3px}
    .utility{display:flex;gap:9px}
    .utility-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--plum);display:grid;place-items:center;transition:var(--ease)}
    .utility-btn:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
    .icon-nav{display:flex;align-items:stretch;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
    .icon-nav::-webkit-scrollbar{display:none}
    .nav-item{min-width:170px;flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 16px;color:var(--muted);font-size:14px;font-weight:700;border-right:1px solid var(--line);position:relative;transition:var(--ease)}
    .nav-item:first-child{border-left:1px solid var(--line)}
    .nav-item svg{width:19px;height:19px;stroke:currentColor}
    .nav-item:hover{color:var(--plum);background:#eee9e6}
    .nav-item.active{color:var(--plum);background:#e9e1e8}
    .nav-item.active:after{content:"";height:3px;background:var(--coral);position:absolute;bottom:0;left:26%;right:26%;border-radius:4px 4px 0 0}
    .page-hero{background:var(--ink);color:var(--paper);padding:62px 0 68px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;right:5%;top:-90px;width:330px;height:330px;border:1px solid rgba(183,167,186,.24);border-radius:50%;box-shadow:0 0 0 28px rgba(183,167,186,.04),0 0 0 58px rgba(183,167,186,.035)}
    .page-hero .container{position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--coral);font-size:12px;letter-spacing:.16em;font-weight:800}
    .breadcrumb{--bs-breadcrumb-divider-color:#938887;margin:0 0 22px;color:#aaa09c;font-size:13px}
    .breadcrumb-item a{color:#d4c8c4}
    .breadcrumb-item.active{color:#aaa09c}
    .page-title{font-size:clamp(40px,6vw,68px);line-height:1.08;letter-spacing:-.07em;font-weight:800;max-width:760px;margin:0 0 19px}
    .page-summary{max-width:690px;color:#d8d0cb;font-size:17px;margin:0}
    .hero-note{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}
    .hero-note span{border:1px solid rgba(255,255,255,.2);border-radius:30px;padding:7px 14px;color:#d6cbc7;font-size:13px}
    .index-section{padding:76px 0 108px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:35px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.2;letter-spacing:-.05em;font-weight:800;margin:6px 0 0}
    .section-intro{max-width:510px;color:var(--muted);margin:0}
    .browse-layout{display:grid;grid-template-columns:280px 1fr;gap:38px;align-items:start}
    .filter-panel{position:sticky;top:145px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
    .filter-title{font-size:18px;font-weight:800;margin:0 0 22px}
    .filter-group{border-top:1px solid var(--line);padding:19px 0 4px}
    .filter-group h3{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:800;margin:0 0 12px}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px}
    .filter-tag{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:30px;padding:6px 11px;font-size:12px;cursor:pointer;transition:var(--ease)}
    .filter-tag:hover,.filter-tag.active{background:#e9e1e8;border-color:var(--mist);color:var(--plum)}
    .filter-input{width:100%;height:44px;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:8px 12px;color:var(--ink)}
    .filter-input:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(212,111,88,.12)}
    .clear-btn{border:0;background:none;padding:8px 0;color:var(--plum);font-size:13px;font-weight:800;cursor:pointer}
    .clear-btn:hover{color:var(--coral)}
    .results-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--line)}
    .results-toolbar strong{font-size:19px}
    .condition{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .toolbar-select{height:40px;border:1px solid var(--line);border-radius:9px;background:var(--white);padding:0 12px;color:var(--muted);font-size:13px}
    .view-switch{display:flex;gap:5px}
    .view-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:var(--white);color:var(--muted);display:grid;place-items:center}
    .view-btn.active,.view-btn:hover{background:var(--plum);color:var(--white);border-color:var(--plum)}
    .featured-card{display:grid;grid-template-columns:210px 1fr auto;gap:25px;align-items:center;background:var(--plum);color:var(--white);border-radius:var(--radius);padding:22px;margin-bottom:17px;transition:var(--ease)}
    .featured-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .visual{height:144px;border-radius:13px;position:relative;overflow:hidden;background:linear-gradient(135deg,#342a36 0 35%,#80677f 35% 58%,#d46f58 58% 62%,#d8c6c8 62% 100%)}
    .visual:before{content:"";position:absolute;inset:13px;border:1px solid rgba(255,255,255,.38);border-radius:8px}
    .visual:after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:42px;height:42px;border:1px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;font-size:13px;color:white}
    .visual.sage{background:linear-gradient(135deg,#27312e 0 43%,#84948a 43% 67%,#d9d0bf 67%)}
    .visual.warm{background:linear-gradient(135deg,#3c2c37 0 30%,#b7a7ba 30% 73%,#d46f58 73%)}
    .visual.small{height:126px}
    .card-label{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.08em}
    .featured-card .card-label{color:#f3b0a0}
    .result-title{font-size:21px;font-weight:800;line-height:1.3;margin:6px 0 8px}
    .result-copy{color:var(--muted);font-size:14px;margin:0 0 12px}
    .featured-card .result-copy{color:#d5c9c9}
    .meta-line{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .featured-card .meta-line{color:#c8bbbd}
    .result-arrow{font-size:27px;color:var(--coral);transition:var(--ease)}
    .featured-card:hover .result-arrow{transform:translateX(5px)}
    .result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
    .result-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:17px;display:grid;grid-template-columns:112px 1fr;gap:17px;transition:var(--ease)}
    .result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--mist)}
    .result-card .result-title{font-size:17px;margin-top:4px}
    .result-card .result-copy{font-size:13px;line-height:1.6;margin-bottom:9px}
    .result-card .visual{height:112px}
    .pagination-wrap{margin-top:31px;display:flex;justify-content:center}
    .pagination .page-link{border:1px solid var(--line);background:var(--white);color:var(--plum);margin:0 4px;border-radius:9px!important;width:40px;height:40px;display:grid;place-items:center;font-weight:700}
    .pagination .page-item.active .page-link{background:var(--plum);border-color:var(--plum);color:var(--white)}
    .pagination .page-link:hover{border-color:var(--coral);color:var(--coral)}
    .dark-band{background:var(--ink-2);color:var(--paper);padding:86px 0}
    .dark-band h2{font-size:clamp(29px,4vw,43px);letter-spacing:-.06em;line-height:1.2;margin:7px 0 14px}
    .dark-band p{color:#c6bbb7;max-width:580px}
    .method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border-top:1px solid var(--dark-line);border-bottom:1px solid var(--dark-line);margin-top:38px}
    .method{padding:26px 26px 25px 0;border-right:1px solid var(--dark-line)}
    .method:not(:first-child){padding-left:26px}
    .method:last-child{border-right:0}
    .method-num{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em}
    .method h3{font-size:19px;margin:14px 0 7px}
    .method p{font-size:14px;margin:0}
    .faq-section{padding:105px 0}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-section h2{text-align:center;font-size:clamp(30px,4vw,43px);letter-spacing:-.06em;margin:7px 0 38px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;background:var(--white);overflow:hidden;margin-bottom:11px}
    .accordion-button{background:var(--white);color:var(--ink);font-weight:800;padding:20px 23px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eee8ed;color:var(--plum)}
    .accordion-button:after{background-image:none;content:"+";font-size:24px;font-weight:400;color:var(--coral);width:auto;height:auto}
    .accordion-button:not(.collapsed):after{content:"−"}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 23px 22px;background:#eee8ed}
    .feedback{background:var(--paper-2);padding:92px 0}
    .feedback-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:start}
    .feedback h2{font-size:clamp(30px,4vw,43px);letter-spacing:-.06em;line-height:1.2;margin:7px 0 18px}
    .feedback-copy{color:var(--muted);max-width:430px}
    .feedback-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
    .form-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
    .form-label{font-size:13px;font-weight:800;margin-bottom:7px}
    .form-control,.form-select{border:1px solid var(--line);border-radius:10px;min-height:47px;background:var(--paper);color:var(--ink)}
    .form-control:focus,.form-select:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(212,111,88,.12)}
    textarea.form-control{min-height:130px;resize:vertical}
    .form-check-label{font-size:13px;color:var(--muted)}
    .form-message{display:none;margin-top:14px;border-radius:9px;padding:10px 13px;font-size:13px}
    .form-message.success{display:block;background:#dfe7e1;color:#53685e}
    .site-footer{background:var(--ink);color:var(--paper);padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:38px}
    .footer-brand{font-size:21px;font-weight:800;letter-spacing:-.05em}
    .footer-copy{color:#aaa19d;font-size:13px;line-height:1.8;margin:13px 0 0;max-width:300px}
    .footer-title{font-size:13px;font-weight:800;color:var(--paper);margin-bottom:14px}
    .footer-link{display:block;color:#aaa19d;font-size:13px;margin:8px 0;transition:var(--ease)}
    .footer-link:hover{color:var(--coral);padding-left:4px}
    .footer-bottom{border-top:1px solid var(--dark-line);margin-top:45px;padding-top:19px;display:flex;justify-content:space-between;gap:18px;color:#958b87;font-size:12px}
    .modal-content{background:var(--paper);border:0;border-radius:18px}
    .modal-header{border-bottom:1px solid var(--line)}
    .modal-title{font-weight:800}
    .search-box{height:52px;border:1px solid var(--line);border-radius:11px;background:var(--white);padding:0 15px}
    @media (max-width:1199px){
      .container{max-width:94%}
      .browse-layout{grid-template-columns:250px 1fr;gap:25px}
      .featured-card{grid-template-columns:170px 1fr auto}
    }
    @media (max-width:991px){
      .nav-item{min-width:145px}
      .browse-layout{grid-template-columns:1fr}
      .filter-panel{position:static}
      .filter-panel .filter-group{display:inline-block;vertical-align:top;width:31%;margin-right:2%;border-top:0;padding-top:8px}
      .filter-panel .filter-group:last-child{margin-right:0}
      .feedback-layout{grid-template-columns:1fr;gap:35px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:767px){
      body{font-size:15px}
      .brand-row{min-height:68px}
      .brand{font-size:16px}
      .utility-btn{width:38px;height:38px}
      .nav-item{min-width:120px;padding:11px 10px;font-size:13px;gap:6px}
      .page-hero{padding:48px 0 52px}
      .page-title{font-size:42px}
      .page-summary{font-size:15px}
      .index-section,.faq-section,.feedback{padding:68px 0}
      .section-head{display:block;margin-bottom:27px}
      .section-intro{margin-top:15px}
      .filter-panel{padding:19px}
      .filter-panel .filter-group{display:block;width:100%;margin:0;border-top:1px solid var(--line);padding:16px 0 2px}
      .results-toolbar{align-items:flex-start;flex-wrap:wrap}
      .featured-card{grid-template-columns:1fr;gap:15px;padding:17px}
      .featured-card .visual{height:150px}
      .result-arrow{position:absolute;right:20px;bottom:18px}
      .featured-card,.result-card{position:relative}
      .result-grid{grid-template-columns:1fr}
      .result-card{grid-template-columns:105px 1fr;gap:13px}
      .result-card .visual{height:105px}
      .method-grid{grid-template-columns:1fr}
      .method,.method:not(:first-child){padding:23px 0;border-right:0;border-bottom:1px solid var(--dark-line)}
      .method:last-child{border-bottom:0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
      .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}
      .footer-bottom{display:block;line-height:2}
      .footer-bottom span{display:block}
    }
    @media (max-width:520px){
      .container{max-width:calc(100% - 32px)}
      .page-title{font-size:36px}
      .hero-note span{font-size:12px}
      .result-card{grid-template-columns:1fr}
      .result-card .visual{height:140px}
      .form-panel{padding:20px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }