/* roulang page: index */
:root{
      --ink:#12100F;--ink-2:#1A1514;--surface:#211C1A;--surface-2:#2A2320;
      --wine:#9B4B65;--wine-light:#C46782;--gold:#D5B07A;--ivory:#F1EAE4;
      --mist:#B9AAA6;--weak:#817570;--line:rgba(213,176,122,.18);
      --shadow:0 22px 55px rgba(0,0,0,.28);--radius:16px;--container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;background:var(--ink)}
    body{margin:0;background:var(--ink);color:var(--ivory);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.78;overflow-x:hidden}
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    ::selection{background:var(--wine);color:#fff}
    ::-webkit-scrollbar{width:9px;height:9px}
    ::-webkit-scrollbar-track{background:#171211}
    ::-webkit-scrollbar-thumb{background:#59433d;border-radius:20px}
    ::-webkit-scrollbar-thumb:hover{background:var(--wine)}
    :focus-visible{outline:2px solid var(--wine-light);outline-offset:3px}
    .site-bg{position:relative;isolation:isolate}
    .site-bg:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:
      radial-gradient(circle at 84% 8%,rgba(155,75,101,.14),transparent 28rem),
      radial-gradient(circle at 6% 48%,rgba(213,176,122,.06),transparent 24rem),
      linear-gradient(115deg,transparent 0 48%,rgba(255,255,255,.012) 48% 49%,transparent 49% 100%)}
    .site-bg:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.16;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='.38'/%3E%3C/svg%3E")}
    .container{width:min(calc(100% - 64px),var(--container));margin-inline:auto}
    .section{padding:108px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--gold);font-size:12px;font-weight:700;letter-spacing:.14em}
    .eyebrow:before{content:"";width:25px;height:1px;background:var(--gold)}
    .section-title{margin:15px 0 14px;font-size:clamp(31px,4vw,46px);line-height:1.13;letter-spacing:-.045em;font-weight:900}
    .section-intro{max-width:685px;margin:0;color:var(--mist);font-size:16px}
    .badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(213,176,122,.38);border-radius:999px;padding:5px 10px;color:var(--gold);font-size:12px;line-height:1.1}
    .badge i{width:6px;height:6px;border-radius:50%;background:var(--wine-light);display:block}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:11px 18px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:800;transition:.25s ease}
    .btn-primary{background:var(--wine);color:#fff}
    .btn-primary:hover{background:var(--wine-light);transform:translateY(-2px);box-shadow:0 12px 26px rgba(155,75,101,.24)}
    .btn-primary:hover .arrow{transform:translateX(4px)}
    .btn-ghost{border-color:var(--line);color:var(--ivory);background:rgba(255,255,255,.015)}
    .btn-ghost:hover{border-color:var(--gold);background:rgba(213,176,122,.08);transform:translateY(-2px)}
    .arrow{font-size:18px;line-height:1;transition:transform .25s ease}
    .header{height:80px;position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:.3s ease}
    .header.scrolled{background:rgba(18,16,15,.92);border-color:var(--line);backdrop-filter:blur(13px)}
    .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .logo{display:flex;align-items:center;gap:11px;flex-shrink:0;font-size:17px;font-weight:900;letter-spacing:-.04em}
    .logo-mark{width:30px;height:30px;border:1px solid var(--gold);position:relative;border-radius:50% 50% 8px 8px;transform:rotate(-14deg)}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--wine-light);border-radius:50%}
    .logo-mark:before{inset:5px}.logo-mark:after{inset:10px}
    .logo small{display:block;margin-top:-4px;color:var(--weak);font-size:10px;font-weight:500;letter-spacing:.12em}
    .nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
    .nav-links a{position:relative;padding:25px 0;color:var(--mist);font-size:14px;transition:.2s}
    .nav-links a:after{content:"";position:absolute;left:0;bottom:18px;width:0;height:1px;background:var(--gold);transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ivory)}
    .nav-links a:hover:after,.nav-links a.active:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .age-link{color:var(--gold);font-size:12px;font-weight:800}
    .menu-toggle{display:none;width:45px;height:45px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ivory)}
    .mobile-panel{display:none}
    .hero{min-height:690px;padding:76px 0 40px;position:relative;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(400px,.8fr);gap:54px;align-items:center}
    .hero-copy{padding:18px 0}
    .hero h1{max-width:720px;margin:18px 0;font-size:clamp(50px,6vw,76px);font-weight:900;letter-spacing:-.07em;line-height:1.06}
    .hero h1 .accent{color:var(--gold)}
    .hero-desc{max-width:660px;margin:0;color:var(--mist);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-points{display:flex;gap:28px;flex-wrap:wrap;margin-top:42px;padding-top:21px;border-top:1px solid var(--line)}
    .hero-point strong{display:block;color:var(--gold);font-size:20px;line-height:1.1}.hero-point span{color:var(--weak);font-size:12px}
    .stage{min-height:475px;position:relative;padding:20px}
    .stage-glow{position:absolute;inset:7% 3%;border-radius:40% 60% 48% 52%;background:radial-gradient(circle,rgba(155,75,101,.32),transparent 66%);filter:blur(13px);animation:drift 9s ease-in-out infinite alternate}
    .cover-main{position:absolute;right:15px;top:24px;width:76%;height:338px;border:1px solid rgba(213,176,122,.28);border-radius:15px;overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(145deg,#352420,#181313 65%)}
    .cover-main:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 22%,rgba(213,176,122,.16) 22.5%,transparent 23.5%),radial-gradient(ellipse at 71% 25%,rgba(213,176,122,.34),transparent 18%),linear-gradient(160deg,transparent 45%,rgba(155,75,101,.55) 100%)}
    .cover-main:after{content:"";position:absolute;inset:14px;border:1px solid rgba(241,234,228,.13);border-radius:8px}
    .cover-text{position:absolute;left:32px;bottom:29px;z-index:1}
    .cover-text strong{display:block;font-size:28px;line-height:1.14;letter-spacing:-.05em}.cover-text span{color:var(--mist);font-size:12px}
    .index-card{position:absolute;left:0;bottom:17px;width:52%;padding:19px;border:1px solid var(--line);border-radius:13px;background:#211b19;box-shadow:var(--shadow)}
    .index-card h2{margin:8px 0 13px;font-size:16px}.index-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid rgba(255,255,255,.08);color:var(--mist);font-size:12px}.index-row b{color:var(--gold);font-size:11px}
    .status-card{position:absolute;right:0;bottom:35px;padding:13px 15px;border-left:2px solid var(--gold);background:#2A2320;color:var(--mist);font-size:12px}
    .scroll-index{margin-top:55px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:13px 0;color:var(--weak);font-size:12px}
    .scroll-index nav{display:flex;gap:18px}.scroll-index a:hover{color:var(--gold)}
    .feature-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;grid-template-rows:190px 190px;gap:16px;margin-top:43px}
    .entry-card{position:relative;overflow:hidden;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);transition:.28s ease}
    .entry-card:hover{transform:translateY(-4px);border-color:rgba(196,103,130,.74);background:var(--surface-2)}
    .entry-card:before{content:"";position:absolute;width:190px;height:190px;right:-75px;top:-80px;border-radius:50%;background:radial-gradient(circle,rgba(155,75,101,.4),transparent 66%);transition:.35s}
    .entry-card:hover:before{transform:scale(1.15)}
    .entry-main{grid-row:span 2;background:linear-gradient(145deg,#2c211e,#211b19)}
    .entry-card .number{position:absolute;right:20px;top:18px;color:rgba(213,176,122,.62);font-weight:900;font-size:13px}.entry-card h3{position:relative;margin:30px 0 8px;font-size:22px;line-height:1.2}.entry-card p{position:relative;margin:0;max-width:340px;color:var(--mist);font-size:13px;line-height:1.7}.entry-card .card-link{position:absolute;bottom:19px;left:23px;color:var(--gold);font-size:13px;font-weight:800}
    .data-strip{padding:47px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(42,35,32,.42)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr)}
    .stat{padding:0 26px;border-left:1px solid var(--line)}.stat:first-child{border-left:0;padding-left:0}.stat b{display:block;color:var(--ivory);font-size:clamp(36px,4vw,59px);letter-spacing:-.07em;line-height:1}.stat b em{color:var(--gold);font-style:normal;font-size:.47em}.stat span{display:block;margin-top:10px;color:var(--mist);font-size:13px}
    .showcase{display:grid;grid-template-columns:1.18fr .82fr;gap:18px;margin-top:42px}
    .lead-story,.story-item{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);transition:.25s}
    .lead-story:hover,.story-item:hover{border-color:rgba(196,103,130,.68);transform:translateY(-3px)}
    .story-image{position:relative;overflow:hidden;background:#2b211e}.story-image:before{content:"";display:block;padding-top:62.5%;background:linear-gradient(140deg,#1c1716 10%,#5a303b 55%,#b98d63 160%)}.story-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.52),transparent 56%)}
    .lead-story:hover .story-image:before,.story-item:hover .mini-thumb:before{transform:scale(1.04)}.story-image:before,.mini-thumb:before{transition:transform .5s ease}
    .story-copy{padding:22px}.story-copy h3{margin:11px 0 9px;font-size:24px;line-height:1.25}.story-copy p{margin:0;color:var(--mist);font-size:14px}.meta{margin-top:15px;color:var(--weak);font-size:12px}
    .side-stories{display:flex;flex-direction:column;gap:12px}.story-item{display:flex;padding:11px;gap:14px}.mini-thumb{width:112px;flex:0 0 112px;overflow:hidden;border-radius:10px;background:#30221f}.mini-thumb:before{content:"";display:block;padding-top:100%;background:linear-gradient(145deg,#57313b,#1a1715 72%)}.story-item:nth-child(2) .mini-thumb:before{background:linear-gradient(145deg,#8b624c,#201817 72%)}.story-item:nth-child(3) .mini-thumb:before{background:linear-gradient(145deg,#442a32,#211f1b 72%)}.story-item h3{margin:7px 0 4px;font-size:15px;line-height:1.35}.story-item p{margin:0;color:var(--mist);font-size:12px;line-height:1.5}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:42px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .path{position:relative;min-height:246px;padding:25px;border-right:1px solid var(--line);background:var(--surface)}.path:last-child{border-right:0}.path-num{color:var(--gold);font-size:13px;font-weight:900}.path h3{margin:36px 0 9px;font-size:19px}.path p{margin:0;color:var(--mist);font-size:13px}.path:after{content:"→";position:absolute;right:-10px;top:50%;z-index:2;display:grid;place-items:center;width:20px;height:20px;border:1px solid var(--gold);border-radius:50%;background:var(--ink);color:var(--gold);font-size:12px}.path:last-child:after{display:none}
    .notice{margin-top:25px;padding:14px 18px;border-left:2px solid var(--gold);background:rgba(213,176,122,.07);color:var(--mist);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;margin-top:42px}.news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}.news-row:hover{padding-left:10px;background:rgba(255,255,255,.015)}.news-date{color:var(--gold);font-size:12px;font-weight:800}.news-row h3{margin:0;font-size:16px}.news-row p{margin:3px 0 0;color:var(--weak);font-size:12px}.news-arrow{color:var(--gold)}
    .recommend{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(155deg,#30221f,#1e1917)}.recommend h3{margin:12px 0;font-size:25px;line-height:1.2}.recommend p{color:var(--mist);font-size:14px}.recommend ul{padding:0;margin:22px 0;list-style:none}.recommend li{padding:11px 0;border-top:1px solid rgba(255,255,255,.09);color:var(--mist);font-size:13px}.recommend li:before{content:"•";color:var(--gold);margin-right:10px}
    .contact-box{display:grid;grid-template-columns:1fr .82fr;gap:42px;padding:46px;border:1px solid rgba(196,103,130,.34);border-radius:var(--radius);background:radial-gradient(circle at 85% 10%,rgba(155,75,101,.3),transparent 35%),#211a19}.contact-box h2{margin:13px 0;font-size:clamp(30px,4vw,43px);line-height:1.12;letter-spacing:-.05em}.contact-box>div>p{color:var(--mist);max-width:520px}.contact-notes{margin-top:26px;display:grid;gap:10px}.contact-notes div{padding-left:14px;border-left:1px solid var(--gold);color:var(--mist);font-size:13px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:span 2}.field label{color:var(--mist);font-size:12px}.field input,.field select,.field textarea{width:100%;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#171312;color:var(--ivory);padding:11px 12px;outline:none;transition:.2s}.field textarea{height:92px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--wine-light);box-shadow:0 0 0 2px rgba(213,176,122,.13)}.consent{display:flex;gap:9px;align-items:flex-start;margin:13px 0;color:var(--mist);font-size:12px}.consent input{accent-color:var(--wine);margin-top:5px}.form-status{min-height:20px;margin:8px 0 0;color:var(--gold);font-size:12px}
    .faq-wrap{max-width:880px;margin:42px auto 0}.faq-item{border-bottom:1px solid var(--line)}.faq-question{display:flex;width:100%;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border:0;background:transparent;color:var(--ivory);text-align:left;font-size:17px;font-weight:800}.faq-icon{position:relative;display:block;flex:0 0 20px;width:20px;height:20px;color:var(--gold)}.faq-icon:before,.faq-icon:after{content:"";position:absolute;left:2px;top:9px;width:16px;height:1px;background:currentColor;transition:.25s}.faq-icon:after{transform:rotate(90deg)}.faq-question[aria-expanded="true"] .faq-icon:after{transform:rotate(0)}.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}.faq-answer>div{overflow:hidden}.faq-answer p{margin:0;padding:0 0 0;color:var(--mist);font-size:14px}.faq-item.open .faq-answer{grid-template-rows:1fr}.faq-item.open .faq-answer p{padding-bottom:20px}
    footer{margin-top:0;padding:56px 0 22px;border-top:1px solid var(--line);background:#0e0c0b}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer-brand p{max-width:300px;color:var(--weak);font-size:13px}.footer-title{margin:0 0 13px;color:var(--gold);font-size:12px;letter-spacing:.1em}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--mist);font-size:13px}.footer-links a:hover{color:var(--gold)}.copyright{display:flex;justify-content:space-between;gap:18px;margin-top:39px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);color:var(--weak);font-size:12px}
    .age-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(5,4,4,.72);backdrop-filter:blur(7px)}.age-modal[hidden]{display:none}.age-dialog{width:min(440px,100%);padding:30px;border:1px solid rgba(213,176,122,.38);border-radius:16px;background:#201a18;box-shadow:0 30px 80px rgba(0,0,0,.55)}.age-dialog h2{margin:13px 0 8px;font-size:27px}.age-dialog p{margin:0;color:var(--mist);font-size:14px}.age-dialog .actions{display:flex;gap:11px;margin-top:22px}.age-dialog .actions .btn{flex:1}
    @keyframes drift{from{transform:translate3d(-8px,4px,0)}to{transform:translate3d(14px,-9px,0)}}
    @media(max-width:1024px){.nav-links,.nav-actions{display:none}.menu-toggle{display:grid;place-items:center}.mobile-panel{position:fixed;inset:0 0 0 auto;z-index:60;width:min(360px,88vw);padding:24px;background:#181311;transform:translateX(100%);transition:transform .3s ease;border-left:1px solid var(--line)}.mobile-panel.open{transform:translateX(0)}.mobile-panel nav{display:grid;gap:4px;margin-top:35px}.mobile-panel nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}.mobile-panel .btn{width:100%;margin-top:22px}.hero-grid,.contact-box{grid-template-columns:1fr}.hero{padding-top:50px}.stage{max-width:650px;width:100%;margin:auto}.feature-grid{grid-template-columns:1fr 1fr;grid-template-rows:230px 190px}.entry-main{grid-row:span 1}.showcase,.news-layout{grid-template-columns:1fr}.path-grid{grid-template-columns:repeat(2,1fr)}.path:nth-child(2){border-right:0}.path:nth-child(1),.path:nth-child(2){border-bottom:1px solid var(--line)}.path:nth-child(2):after{display:none}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-brand{grid-column:span 3}}
    @media(max-width:768px){.container{width:min(calc(100% - 40px),var(--container))}.section{padding:72px 0}.header{height:72px}.hero{min-height:auto}.hero h1{font-size:clamp(40px,10vw,56px)}.hero-desc{font-size:15px}.scroll-index nav{display:none}.feature-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto}.entry-card,.entry-main{min-height:210px}.stats{grid-template-columns:1fr 1fr;gap:25px}.stat{padding:0 16px;border-left:1px solid var(--line)}.stat:nth-child(odd){border-left:0}.stat:nth-child(-n+2){padding-bottom:25px;border-bottom:1px solid var(--line)}.path{min-height:210px}.contact-box{padding:27px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:span 1}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}.copyright{display:block}.copyright span{display:block;margin-top:6px}}
    @media(max-width:480px){.container{width:calc(100% - 32px)}.section{padding:58px 0}.hero{padding-top:36px}.hero-actions,.age-dialog .actions{flex-direction:column}.hero-actions .btn,.age-dialog .btn{width:100%}.hero-points{gap:17px}.stage{min-height:395px;padding:0}.cover-main{width:83%;height:275px;right:0}.index-card{width:64%;padding:14px}.status-card{right:0;bottom:17px}.feature-grid{grid-template-columns:1fr}.entry-card,.entry-main{min-height:190px}.showcase{margin-top:28px}.story-copy h3{font-size:20px}.story-item{gap:10px}.mini-thumb{width:82px;flex-basis:82px}.path-grid{grid-template-columns:1fr}.path{border-right:0;border-bottom:1px solid var(--line)}.path:last-child{border-bottom:0}.path:after{display:none}.news-row{grid-template-columns:54px 1fr auto;gap:9px}.news-row h3{font-size:14px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.section-title{font-size:31px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* roulang page: category2 */
:root{
--ink:#12100F;--ink-2:#1A1514;--surface:#211C1A;--surface-2:#2A2320;
--wine:#9B4B65;--wine-light:#C46782;--gold:#D5B07A;--ivory:#F1EAE4;
--mist:#B9AAA6;--weak:#817570;--line:rgba(213,176,122,.18);
--shadow:0 22px 55px rgba(0,0,0,.28);--radius:16px;--container:1240px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;background:var(--ink);color:var(--ivory);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.78;overflow-x:hidden}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 64px),var(--container));margin-inline:auto}
.section{padding:112px 0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--gold);font-size:12px;font-weight:700;letter-spacing:.14em}
.eyebrow:before{content:"";width:25px;height:1px;background:var(--gold)}
.section-title{margin:15px 0 14px;font-size:clamp(31px,4vw,46px);line-height:1.13;letter-spacing:-.045em;font-weight:900}
.section-intro{max-width:710px;margin:0;color:var(--mist);font-size:16px}
.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(213,176,122,.38);border-radius:999px;padding:5px 10px;color:var(--gold);font-size:12px;line-height:1.1}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--wine-light);display:block}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:11px 18px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:800;transition:.25s ease}
.btn-primary{background:var(--wine);color:#fff}
.btn-primary:hover{background:var(--wine-light);transform:translateY(-2px);box-shadow:0 12px 26px rgba(155,75,101,.24)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{border-color:var(--line);color:var(--ivory);background:rgba(255,255,255,.015)}
.btn-ghost:hover{border-color:var(--gold);background:rgba(213,176,122,.08);transform:translateY(-2px)}
.arrow{font-size:18px;line-height:1;transition:transform .25s ease}
.header{height:80px;position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:.3s ease}
.header.scrolled{background:rgba(18,16,15,.94);border-color:var(--line);backdrop-filter:blur(13px)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;font-size:17px;font-weight:900;letter-spacing:-.04em}
.logo-mark{width:30px;height:30px;border:1px solid var(--gold);position:relative;border-radius:50% 50% 8px 8px;transform:rotate(-14deg)}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border:1px solid var(--wine-light);border-radius:50%}
.logo-mark:before{inset:5px}.logo-mark:after{inset:10px}
.logo small{display:block;margin-top:-4px;color:var(--weak);font-size:10px;font-weight:500;letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{position:relative;padding:25px 0;color:var(--mist);font-size:14px;transition:.2s}
.nav-links a:after{content:"";position:absolute;left:0;bottom:18px;width:0;height:1px;background:var(--gold);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--ivory)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.age-chip{border:1px solid var(--line);background:transparent;color:var(--gold);min-height:38px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:800}
.age-chip:hover{border-color:var(--gold);background:rgba(213,176,122,.08)}
.menu-toggle{display:none;width:45px;height:45px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ivory)}
.mobile-panel{display:none}
.topic-hero{position:relative;overflow:hidden;min-height:485px;padding:82px 0 70px;border-bottom:1px solid var(--line);background:#181313}
.topic-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 78% 25%,rgba(155,75,101,.34),transparent 28%),radial-gradient(ellipse at 12% 90%,rgba(213,176,122,.13),transparent 32%),repeating-linear-gradient(104deg,rgba(255,255,255,.025) 0 1px,transparent 1px 9px)}
.topic-hero:after{content:"";position:absolute;right:-4%;top:-25%;width:48%;height:155%;border:1px solid rgba(213,176,122,.18);border-radius:48% 42% 50% 44%;transform:rotate(18deg)}
.hero-content{position:relative;z-index:1;max-width:825px}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--weak);font-size:13px;margin-bottom:28px}
.breadcrumb span{color:var(--gold)}
.topic-hero h1{margin:18px 0 18px;max-width:820px;font-size:clamp(42px,6vw,72px);letter-spacing:-.07em;line-height:1.07;font-weight:900}
.topic-hero p{max-width:700px;color:var(--mist);font-size:17px;line-height:1.9;margin:0}
.topic-meta{display:flex;flex-wrap:wrap;gap:20px;margin:30px 0;color:var(--mist);font-size:13px}
.topic-meta b{color:var(--gold);font-weight:700}
.hero-ribbon{position:absolute;z-index:1;right:max(32px,calc((100vw - 1240px)/2));bottom:0;width:270px;padding:16px 18px;border:1px solid var(--line);border-bottom:0;background:rgba(33,28,26,.91)}
.hero-ribbon strong{display:block;color:var(--gold);font-size:12px;letter-spacing:.12em}.hero-ribbon span{font-size:13px;color:var(--mist)}
.chapter-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:65px;align-items:start}
.chapter-nav{position:sticky;top:110px;border-left:1px solid var(--line);padding:8px 0}
.chapter-nav a{display:block;padding:11px 16px;color:var(--weak);font-size:14px;border-left:2px solid transparent;transition:.22s}
.chapter-nav a:hover,.chapter-nav a.active{border-left-color:var(--gold);color:var(--ivory);background:rgba(213,176,122,.05)}
.chapter-nav b{margin-right:9px;color:var(--gold);font-size:11px}
.chapter-block{padding:0 0 84px;scroll-margin-top:110px}
.chapter-block:not(:last-child){border-bottom:1px solid var(--line);margin-bottom:77px}
.chapter-num{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.18em}
.chapter-block h2{margin:10px 0 13px;font-size:clamp(28px,3.4vw,42px);font-weight:900;line-height:1.14;letter-spacing:-.045em}
.chapter-block>p{max-width:770px;color:var(--mist);margin:0 0 31px}
.feature-topic{display:grid;grid-template-columns:1.06fr .94fr;min-height:330px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);transition:.3s}
.feature-topic:hover{transform:translateY(-4px);border-color:rgba(196,103,130,.62);box-shadow:var(--shadow)}
.topic-art{position:relative;min-height:285px;overflow:hidden;background:linear-gradient(135deg,#34201f,#151112)}
.topic-art:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 28% 25%,rgba(213,176,122,.46),transparent 16%),radial-gradient(ellipse at 72% 74%,rgba(155,75,101,.55),transparent 37%),linear-gradient(130deg,transparent 49%,rgba(241,234,228,.11) 49.3%,transparent 50%)}
.topic-art:after{content:"";position:absolute;inset:13px;border:1px solid rgba(241,234,228,.13);border-radius:9px}
.topic-art .art-label{position:absolute;z-index:2;left:24px;bottom:20px;font-size:42px;font-weight:900;line-height:1;color:rgba(241,234,228,.88);letter-spacing:-.08em}
.topic-copy{padding:32px;display:flex;flex-direction:column;align-items:flex-start}
.topic-copy h3{font-size:24px;line-height:1.25;margin:16px 0 12px;font-weight:900}
.topic-copy p{margin:0;color:var(--mist);font-size:14px}
.topic-copy .btn{margin-top:auto;padding-top:20px}
.info-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.info-card{min-height:207px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);position:relative;overflow:hidden;transition:.25s}
.info-card:before{content:"";position:absolute;right:-32px;bottom:-48px;width:120px;height:120px;border:1px solid rgba(213,176,122,.16);border-radius:50%}
.info-card:hover{background:var(--surface-2);border-color:rgba(196,103,130,.58);transform:translateY(-3px)}
.info-card h3{position:relative;margin:17px 0 8px;font-size:19px;line-height:1.3;font-weight:800}
.info-card p{position:relative;margin:0;color:var(--mist);font-size:14px}
.timeline{position:relative;padding-left:30px}
.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline-item{position:relative;padding:0 0 30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-28px;top:7px;width:11px;height:11px;border:2px solid var(--gold);border-radius:50%;background:var(--ink)}
.timeline-date{display:block;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.08em}
.timeline-item h3{margin:5px 0;color:var(--ivory);font-size:18px}
.timeline-item p{margin:0;color:var(--mist);font-size:14px}
.notice-band{padding:23px 27px;border-left:3px solid var(--gold);background:linear-gradient(90deg,rgba(213,176,122,.11),rgba(33,28,26,.65));color:var(--mist);font-size:14px}
.notice-band strong{color:var(--ivory)}
.read-strip{padding:93px 0;background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.scroll-hint{color:var(--weak);font-size:12px;white-space:nowrap}
.scroll-hint:after{content:"→";color:var(--gold);font-size:18px;margin-left:8px}
.read-rail{display:flex;gap:16px;overflow-x:auto;padding:3px 2px 16px;scroll-snap-type:x proximity}
.read-rail::-webkit-scrollbar{height:6px}.read-rail::-webkit-scrollbar-thumb{background:var(--wine);border-radius:99px}
.read-card{flex:0 0 292px;min-height:250px;display:flex;flex-direction:column;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);scroll-snap-align:start;transition:.25s}
.read-card:nth-child(2){min-height:280px}.read-card:nth-child(3){min-height:235px}
.read-card:hover{transform:translateY(-4px);background:var(--surface-2);border-color:rgba(196,103,130,.65)}
.read-card h3{margin:19px 0 9px;font-size:20px;line-height:1.28;font-weight:900}
.read-card p{margin:0;color:var(--mist);font-size:14px}
.read-card .text-link{margin-top:auto;padding-top:18px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--ivory);font-size:14px;font-weight:800}
.text-link:hover{color:var(--gold)}.text-link:hover .arrow{transform:translateX(4px)}
.mini-faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;padding:21px 2px;display:flex;align-items:center;justify-content:space-between;gap:18px;background:transparent;border:0;color:var(--ivory);text-align:left;font-weight:800;font-size:16px}
.faq-question span:last-child{color:var(--gold);font-size:25px;font-weight:400;transition:.25s}
.faq-answer{display:none;padding:0 32px 21px 2px;color:var(--mist);font-size:14px}
.faq-item.open{background:rgba(255,255,255,.018)}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--wine-light)}
.bottom-cta{padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;border:1px solid rgba(196,103,130,.4);border-radius:var(--radius);background:radial-gradient(circle at 90% 20%,rgba(155,75,101,.28),transparent 35%),var(--surface)}
.bottom-cta h2{margin:0 0 6px;font-size:27px;line-height:1.25;font-weight:900}.bottom-cta p{margin:0;color:var(--mist);font-size:14px}
footer{padding:67px 0 24px;background:#0E0C0B;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{max-width:340px;margin:17px 0 0;color:var(--mist);font-size:13px}
.footer-title{margin:0 0 15px;color:var(--gold);font-size:12px;letter-spacing:.1em}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.footer-links a,.footer-links button{color:var(--mist);font-size:13px;transition:.2s;background:none;border:0;padding:0}
.footer-links a:hover,.footer-links button:hover{color:var(--gold)}
.copyright{margin-top:54px;padding-top:19px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:16px;color:var(--weak);font-size:12px}
.age-modal{position:fixed;z-index:100;inset:0;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(9,7,7,.75);backdrop-filter:blur(6px)}
.age-modal.show{display:flex}.age-dialog{width:min(100%,455px);padding:31px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow)}
.age-dialog h2{margin:12px 0 10px;font-size:27px;line-height:1.25;font-weight:900}.age-dialog p{margin:0;color:var(--mist);font-size:14px}.age-actions{display:flex;gap:10px;margin-top:23px}
:focus-visible{outline:2px solid var(--wine-light);outline-offset:3px}
@media(max-width:1024px){
.container{width:min(calc(100% - 48px),var(--container))}.nav-links,.nav-actions{display:none}.menu-toggle{display:grid;place-items:center;margin-left:auto}.mobile-panel{position:fixed;z-index:49;display:block;right:-360px;top:80px;width:min(88vw,355px);height:calc(100vh - 80px);padding:28px;background:#181313;border-left:1px solid var(--line);transition:right .3s ease;box-shadow:var(--shadow)}.mobile-panel.open{right:0}.mobile-panel a{display:block;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.08);color:var(--mist);font-size:16px}.mobile-panel a.active,.mobile-panel a:hover{color:var(--gold)}.mobile-panel .btn{width:100%;margin-top:24px}.hero-ribbon{right:24px}.chapter-layout{grid-template-columns:1fr;gap:34px}.chapter-nav{position:static;display:flex;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);padding:0}.chapter-nav a{white-space:nowrap;padding:11px 14px;border-left:0;border-bottom:2px solid transparent}.chapter-nav a:hover,.chapter-nav a.active{border-bottom-color:var(--gold)}.mini-faq{grid-template-columns:1fr;gap:35px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-brand{grid-column:span 3}
}
@media(max-width:768px){
.section{padding:74px 0}.topic-hero{min-height:auto;padding:62px 0 92px}.topic-hero h1{font-size:clamp(38px,10vw,55px)}.hero-ribbon{left:24px;right:auto;width:auto}.feature-topic{grid-template-columns:1fr}.topic-art{min-height:230px}.topic-copy{padding:25px}.chapter-block{padding-bottom:58px}.chapter-block:not(:last-child){margin-bottom:56px}.info-cards{grid-template-columns:1fr}.bottom-cta{display:block;padding:30px}.bottom-cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:span 2}.copyright{flex-direction:column;gap:3px}
}
@media(max-width:480px){
.container{width:min(calc(100% - 32px),var(--container))}.header{height:72px}.mobile-panel{top:72px;height:calc(100vh - 72px)}.logo{font-size:15px}.logo-mark{width:27px;height:27px}.topic-hero{padding-top:46px}.topic-hero p{font-size:15px}.topic-meta{gap:10px 17px}.section-title{font-size:31px}.feature-topic{border-radius:13px}.topic-copy h3{font-size:21px}.read-card{flex-basis:268px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.age-actions{flex-direction:column}.age-actions .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
  --ink:#12100F;
  --ink-2:#1A1514;
  --surface:#211C1A;
  --surface-2:#2A2320;
  --surface-3:#332925;
  --wine:#9B4B65;
  --wine-light:#C46782;
  --gold:#D5B07A;
  --ivory:#F1EAE4;
  --mist:#B9AAA6;
  --weak:#817570;
  --danger:#C7786E;
  --line:rgba(213,176,122,.18);
  --line-strong:rgba(213,176,122,.38);
  --shadow:0 22px 55px rgba(0,0,0,.28);
  --shadow-soft:0 12px 34px rgba(0,0,0,.2);
  --radius:16px;
  --radius-small:10px;
  --container:1240px;
}

*,
*::before,
*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  background:var(--ink);
  color-scheme:dark;
}

body{
  margin:0;
  min-width:320px;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 88% 8%,rgba(155,75,101,.12),transparent 28%),
    radial-gradient(circle at 8% 42%,rgba(213,176,122,.045),transparent 24%),
    var(--ink);
  color:var(--ivory);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  opacity:.045;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.08) 0,rgba(255,255,255,.08) 1px,transparent 1px,transparent 4px);
}

body.menu-open,
body.modal-open{overflow:hidden}

a{
  color:inherit;
  text-decoration:none;
}

button,
input,
select,
textarea{
  font:inherit;
}

button{
  border:0;
  cursor:pointer;
}

img{
  display:block;
  width:100%;
  max-width:100%;
}

::selection{
  color:#fff;
  background:var(--wine);
}

::-webkit-scrollbar{width:10px;height:8px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{
  border:2px solid var(--ink);
  border-radius:999px;
  background:var(--surface-3);
}
::-webkit-scrollbar-thumb:hover{background:var(--wine)}

a,
button,
input,
select,
textarea,
[tabindex]{
  outline:none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible{
  outline:2px solid var(--wine-light);
  outline-offset:3px;
}

.container{
  width:min(calc(100% - 64px),var(--container));
  margin-inline:auto;
}

.section{
  padding:104px 0;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--gold);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
}

.eyebrow::before{
  content:"";
  width:25px;
  height:1px;
  background:var(--gold);
}

.section-title{
  margin:15px 0 14px;
  font-size:clamp(31px,4vw,46px);
  font-weight:900;
  line-height:1.13;
  letter-spacing:-.045em;
}

.section-intro{
  max-width:685px;
  margin:0;
  color:var(--mist);
  font-size:16px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  width:max-content;
  border:1px solid rgba(213,176,122,.38);
  border-radius:999px;
  padding:6px 10px;
  color:var(--gold);
  font-size:12px;
  line-height:1.1;
  white-space:nowrap;
}

.badge i{
  display:block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--wine-light);
}

.btn{
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:11px;
  padding:11px 18px;
  border:1px solid transparent;
  border-radius:9px;
  font-size:14px;
  font-weight:800;
  transition:background-color .25s ease,border-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
}

.btn-primary{
  color:#fff;
  background:var(--wine);
}

.btn-primary:hover{
  background:var(--wine-light);
  box-shadow:0 12px 26px rgba(155,75,101,.24);
  transform:translateY(-2px);
}

.btn-primary:active{
  background:#873e56;
  transform:translateY(0);
}

.btn-ghost{
  border-color:var(--line);
  color:var(--ivory);
  background:rgba(255,255,255,.015);
}

.btn-ghost:hover{
  border-color:var(--gold);
  background:rgba(213,176,122,.08);
  transform:translateY(-2px);
}

.btn:disabled{
  cursor:not-allowed;
  opacity:.45;
  transform:none;
}

.arrow{
  font-size:18px;
  line-height:1;
  transition:transform .25s ease;
}

.btn:hover .arrow,
.text-link:hover .arrow{
  transform:translateX(4px);
}

.header{
  position:sticky;
  top:0;
  z-index:50;
  height:80px;
  border-bottom:1px solid transparent;
  background:rgba(18,16,15,.48);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}

.header.scrolled{
  border-color:var(--line);
  background:rgba(18,16,15,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.16);
  backdrop-filter:blur(13px);
}

.nav-wrap{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.logo{
  display:flex;
  align-items:center;
  flex-shrink:0;
  gap:11px;
  font-size:17px;
  font-weight:900;
  line-height:1.15;
  letter-spacing:-.04em;
}

.logo-mark{
  position:relative;
  width:30px;
  height:30px;
  border:1px solid var(--gold);
  border-radius:50% 50% 8px 8px;
  transform:rotate(-14deg);
}

.logo-mark::before,
.logo-mark::after{
  content:"";
  position:absolute;
  border:1px solid var(--wine-light);
  border-radius:50%;
}

.logo-mark::before{inset:5px}
.logo-mark::after{inset:10px}

.logo small{
  display:block;
  margin-top:1px;
  color:var(--weak);
  font-size:10px;
  font-weight:500;
  letter-spacing:.12em;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}

.nav-links a{
  position:relative;
  padding:25px 0;
  color:var(--mist);
  font-size:14px;
  transition:color .2s ease;
}

.nav-links a::after{
  content:"";
  position:absolute;
  bottom:18px;
  left:0;
  width:0;
  height:1px;
  background:var(--gold);
  transition:width .25s ease;
}

.nav-links a:hover,
.nav-links a.active{
  color:var(--ivory);
}

.nav-links a:hover::after,
.nav-links a.active::after{
  width:100%;
}

.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
}

.age-link{
  min-height:44px;
  padding:8px 11px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--gold);
  background:transparent;
  font-size:12px;
  transition:.2s ease;
}

.age-link:hover{
  border-color:var(--gold);
  background:rgba(213,176,122,.07);
}

.menu-toggle{
  display:none;
  width:45px;
  height:45px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  color:var(--ivory);
}

.menu-lines,
.menu-lines::before,
.menu-lines::after{
  display:block;
  width:19px;
  height:1px;
  margin:auto;
  background:currentColor;
  transition:.25s ease;
}

.menu-lines{
  position:relative;
}

.menu-lines::before,
.menu-lines::after{
  content:"";
  position:absolute;
  left:0;
}

.menu-lines::before{top:-6px}
.menu-lines::after{top:6px}

.menu-toggle[aria-expanded="true"] .menu-lines{background:transparent}
.menu-toggle[aria-expanded="true"] .menu-lines::before{top:0;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-lines::after{top:0;transform:rotate(-45deg)}

.mobile-panel{
  position:fixed;
  top:80px;
  right:0;
  bottom:0;
  z-index:48;
  width:min(88vw,390px);
  padding:25px;
  border-left:1px solid var(--line);
  background:var(--ink-2);
  box-shadow:-24px 20px 60px rgba(0,0,0,.38);
  transform:translateX(105%);
  visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
}

.mobile-panel.open{
  visibility:visible;
  transform:translateX(0);
}

.mobile-nav{
  display:grid;
  gap:5px;
}

.mobile-nav a,
.mobile-nav button{
  min-height:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:11px 4px;
  border-bottom:1px solid var(--line);
  color:var(--mist);
  background:transparent;
  text-align:left;
}

.mobile-nav a.active{
  color:var(--gold);
}

.mobile-panel .btn{
  width:100%;
  margin-top:24px;
}

.mobile-backdrop{
  position:fixed;
  inset:80px 0 0;
  z-index:47;
  visibility:hidden;
  background:rgba(0,0,0,.58);
  opacity:0;
  transition:.3s ease;
}

.mobile-backdrop.open{
  visibility:visible;
  opacity:1;
}

/* 栏目页头 */
.category-head{
  position:relative;
  overflow:hidden;
  padding:78px 0 68px;
  border-bottom:1px solid var(--line);
}

.category-head::before{
  content:"01";
  position:absolute;
  top:-48px;
  right:5vw;
  color:rgba(241,234,228,.025);
  font-size:260px;
  font-weight:900;
  line-height:1;
  letter-spacing:-.09em;
  pointer-events:none;
}

.category-head::after{
  content:"";
  position:absolute;
  top:10%;
  right:12%;
  width:360px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(155,75,101,.22),transparent 68%);
  filter:blur(18px);
  pointer-events:none;
}

.breadcrumb{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px;
  margin-bottom:24px;
  color:var(--weak);
  font-size:13px;
}

.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span[aria-hidden="true"]{color:var(--line-strong)}

.category-head-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:54px;
  align-items:end;
}

.category-head h1{
  max-width:860px;
  margin:15px 0 18px;
  font-size:clamp(40px,5.8vw,68px);
  font-weight:900;
  line-height:1.07;
  letter-spacing:-.065em;
}

.category-head h1 em{
  color:var(--gold);
  font-style:normal;
}

.category-summary{
  max-width:760px;
  margin:0;
  color:var(--mist);
  font-size:17px;
  line-height:1.9;
}

.category-meta{
  display:grid;
  grid-template-columns:1fr 1fr;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
  box-shadow:var(--shadow-soft);
}

.meta-box{
  padding:20px;
}

.meta-box + .meta-box{
  border-left:1px solid var(--line);
}

.meta-box strong{
  display:block;
  color:var(--gold);
  font-size:28px;
  line-height:1.15;
}

.meta-box span{
  color:var(--weak);
  font-size:12px;
}

/* 筛选与内容 */
.content-section{
  padding:86px 0 112px;
}

.mobile-filter-bar{
  display:none;
  margin-bottom:24px;
}

.filter-open{
  width:100%;
  justify-content:space-between;
}

.content-layout{
  display:grid;
  grid-template-columns:270px minmax(0,1fr);
  gap:38px;
  align-items:start;
}

.filter-rail{
  position:sticky;
  top:106px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--ink-2);
  overflow:hidden;
}

.filter-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px;
  border-bottom:1px solid var(--line);
}

.filter-head h2{
  margin:0;
  font-size:18px;
  font-weight:800;
}

.filter-close{
  display:none;
  width:38px;
  height:38px;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--ivory);
  background:var(--surface);
}

.filter-group{
  padding:20px;
  border-bottom:1px solid var(--line);
}

.filter-group:last-child{border-bottom:0}

.filter-group h3{
  margin:0 0 13px;
  color:var(--mist);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
}

.filter-list{
  display:grid;
  gap:8px;
}

.filter-chip{
  min-height:42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:9px 11px;
  border:1px solid transparent;
  border-radius:8px;
  color:var(--mist);
  background:transparent;
  text-align:left;
  transition:.2s ease;
}

.filter-chip span:last-child{
  color:var(--weak);
  font-size:11px;
}

.filter-chip:hover{
  color:var(--ivory);
  background:var(--surface);
}

.filter-chip.active{
  border-color:rgba(196,103,130,.35);
  color:var(--ivory);
  background:rgba(155,75,101,.15);
}

.filter-note{
  margin:0;
  color:var(--weak);
  font-size:12px;
  line-height:1.75;
}

.results-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:25px;
}

.results-head h2{
  margin:0;
  font-size:clamp(27px,3vw,38px);
  font-weight:900;
  line-height:1.15;
  letter-spacing:-.04em;
}

.results-status{
  margin:7px 0 0;
  color:var(--weak);
  font-size:13px;
}

.sort-select{
  min-height:44px;
  min-width:150px;
  padding:9px 38px 9px 13px;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--mist);
  background-color:var(--surface);
  background-image:
    linear-gradient(45deg,transparent 50%,var(--gold) 50%),
    linear-gradient(135deg,var(--gold) 50%,transparent 50%);
  background-position:
    calc(100% - 17px) 19px,
    calc(100% - 12px) 19px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
  appearance:none;
}

.featured-card{
  position:relative;
  display:grid;
  grid-template-columns:1.16fr .84fr;
  min-height:360px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
  box-shadow:var(--shadow-soft);
  transition:.3s ease;
}

.featured-card:hover{
  border-color:rgba(196,103,130,.65);
  transform:translateY(-4px);
}

.card-media{
  position:relative;
  overflow:hidden;
  min-height:210px;
  background:
    radial-gradient(circle at 68% 25%,rgba(213,176,122,.28),transparent 20%),
    linear-gradient(145deg,#3a2926,#171313 62%,#291b21);
}

.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg,transparent 30%,rgba(213,176,122,.1) 30.5%,transparent 31.5%),
    linear-gradient(to top,rgba(18,16,15,.45),transparent 48%);
  pointer-events:none;
}

.card-media img{
  height:100%;
  object-fit:cover;
  opacity:.8;
  transition:transform .7s ease,opacity .4s ease;
}

.featured-card:hover img,
.content-card:hover img{
  opacity:.92;
  transform:scale(1.03);
}

.media-index{
  position:absolute;
  top:18px;
  left:18px;
  z-index:2;
  color:rgba(241,234,228,.8);
  font-size:12px;
  letter-spacing:.14em;
}

.featured-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:38px;
}

.featured-copy h3{
  margin:16px 0 13px;
  font-size:clamp(24px,3vw,34px);
  font-weight:900;
  line-height:1.25;
  letter-spacing:-.04em;
}

.featured-copy p{
  margin:0;
  color:var(--mist);
}

.card-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 16px;
  margin-top:20px;
  color:var(--weak);
  font-size:12px;
}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  width:max-content;
  margin-top:25px;
  color:var(--ivory);
  font-size:14px;
  font-weight:800;
}

.cards-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:18px;
}

.content-card{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
  transition:.28s ease;
}

.content-card:hover{
  border-color:rgba(196,103,130,.55);
  background:var(--surface-2);
  transform:translateY(-4px);
  box-shadow:var(--shadow-soft);
}

.content-card .card-media{
  aspect-ratio:4/3;
  min-height:0;
}

.content-card.wide{
  grid-column:span 2;
  display:grid;
  grid-template-columns:42% 58%;
}

.content-card.wide .card-media{
  aspect-ratio:3/2;
}

.card-body{
  padding:23px;
}

.card-body h3{
  margin:13px 0 10px;
  font-size:21px;
  font-weight:850;
  line-height:1.35;
  letter-spacing:-.025em;
}

.card-body p{
  margin:0;
  color:var(--mist);
  font-size:14px;
}

.guide-strip{
  position:relative;
  grid-column:span 2;
  overflow:hidden;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:22px;
  min-height:118px;
  padding:25px 28px;
  border:1px solid rgba(213,176,122,.3);
  border-radius:var(--radius);
  background:
    linear-gradient(90deg,rgba(155,75,101,.18),transparent 55%),
    var(--ink-2);
}

.guide-strip::after{
  content:"18+";
  position:absolute;
  right:10%;
  color:rgba(241,234,228,.035);
  font-size:100px;
  font-weight:900;
  line-height:1;
}

.guide-number{
  position:relative;
  z-index:1;
  display:grid;
  place-items:center;
  width:52px;
  height:52px;
  border:1px solid var(--gold);
  border-radius:50%;
  color:var(--gold);
  font-size:13px;
  font-weight:800;
}

.guide-copy{
  position:relative;
  z-index:1;
}

.guide-copy h3{
  margin:0 0 4px;
  font-size:19px;
}

.guide-copy p{
  margin:0;
  color:var(--mist);
  font-size:13px;
}

.guide-strip .btn{
  position:relative;
  z-index:1;
}

.hidden-card{display:none}

.empty-state{
  display:none;
  grid-column:span 2;
  padding:48px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius);
  color:var(--mist);
  background:var(--ink-2);
  text-align:center;
}

.empty-state strong{
  display:block;
  margin-bottom:8px;
  color:var(--ivory);
  font-size:20px;
}

.pagination-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-top:34px;
  padding-top:25px;
  border-top:1px solid var(--line);
}

.pagination{
  display:flex;
  align-items:center;
  gap:7px;
}

.page-btn{
  min-width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--mist);
  background:var(--surface);
  transition:.2s ease;
}

.page-btn:hover:not(:disabled){
  border-color:var(--gold);
  color:var(--ivory);
}

.page-btn.active{
  border-color:var(--wine);
  color:#fff;
  background:var(--wine);
}

.page-btn:disabled{
  cursor:not-allowed;
  opacity:.38;
}

.load-status{
  min-height:24px;
  margin:12px 0 0;
  color:var(--gold);
  font-size:13px;
}

/* 浏览步骤 */
.reading-path{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--ink-2);
}

.path-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:44px;
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}

.path-item{
  position:relative;
  min-height:220px;
  padding:26px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:.25s ease;
}

.path-item:hover{
  background:var(--surface);
}

.path-item b{
  display:block;
  color:var(--gold);
  font-size:32px;
  line-height:1;
}

.path-item h3{
  margin:34px 0 8px;
  font-size:19px;
}

.path-item p{
  margin:0;
  color:var(--mist);
  font-size:13px;
}

/* FAQ */
.faq-list{
  max-width:960px;
  margin-top:42px;
  border-top:1px solid var(--line);
}

.faq-item{
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}

.faq-item.open{
  background:rgba(255,255,255,.018);
}

.faq-question{
  width:100%;
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:17px 4px;
  color:var(--ivory);
  background:transparent;
  text-align:left;
  font-size:17px;
  font-weight:800;
}

.faq-icon{
  position:relative;
  flex:0 0 34px;
  width:34px;
  height:34px;
  border:1px solid var(--line);
  border-radius:50%;
}

.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:12px;
  height:1px;
  background:var(--gold);
  transform:translate(-50%,-50%);
  transition:.25s ease;
}

.faq-icon::after{
  transform:translate(-50%,-50%) rotate(90deg);
}

.faq-item.open .faq-icon::after{
  transform:translate(-50%,-50%) rotate(0deg);
}

.faq-answer{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}

.faq-answer > div{overflow:hidden}

.faq-item.open .faq-answer{
  grid-template-rows:1fr;
}

.faq-answer p{
  max-width:820px;
  margin:0;
  padding:0 50px 24px 4px;
  color:var(--mist);
}

/* CTA */
.cta{
  padding:82px 0;
}

.cta-panel{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:50px;
  padding:54px;
  border:1px solid rgba(196,103,130,.38);
  border-radius:var(--radius);
  background:
    radial-gradient(circle at 85% 20%,rgba(155,75,101,.28),transparent 30%),
    linear-gradient(130deg,var(--surface),var(--ink-2));
  box-shadow:var(--shadow);
}

.cta-panel::before{
  content:"";
  position:absolute;
  top:-80px;
  right:18%;
  width:190px;
  height:240px;
  border:1px solid rgba(213,176,122,.16);
  border-radius:50% 50% 18px 18px;
  transform:rotate(18deg);
}

.cta-copy{
  position:relative;
  z-index:1;
}

.cta-copy h2{
  max-width:700px;
  margin:11px 0;
  font-size:clamp(30px,4vw,46px);
  font-weight:900;
  line-height:1.15;
  letter-spacing:-.045em;
}

.cta-copy p{
  max-width:670px;
  margin:0;
  color:var(--mist);
}

.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  gap:11px;
  flex-wrap:wrap;
}

/* 页脚 */
footer{
  padding:68px 0 24px;
  border-top:1px solid var(--line);
  background:#0D0B0B;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:48px;
}

.footer-brand p{
  max-width:390px;
  margin:19px 0 0;
  color:var(--weak);
  font-size:13px;
}

.footer-title{
  margin:4px 0 17px;
  color:var(--ivory);
  font-size:14px;
}

.footer-links{
  display:grid;
  gap:10px;
}

.footer-links a,
.footer-links button{
  width:max-content;
  max-width:100%;
  padding:0;
  border:0;
  color:var(--weak);
  background:transparent;
  font-size:13px;
  line-height:1.7;
  transition:color .2s ease;
}

.footer-links a:hover,
.footer-links button:hover{
  color:var(--gold);
}

.copyright{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  color:#655C58;
  font-size:12px;
}

/* 年龄确认 */
.age-modal{
  position:fixed;
  inset:0;
  z-index:100;
  display:grid;
  place-items:center;
  padding:20px;
  visibility:hidden;
  background:rgba(8,7,7,.76);
  opacity:0;
  transition:.25s ease;
}

.age-modal.show{
  visibility:visible;
  opacity:1;
}

.age-dialog{
  width:min(100%,500px);
  padding:30px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:var(--surface);
  box-shadow:var(--shadow);
  transform:translateY(14px);
  transition:transform .25s ease;
}

.age-modal.show .age-dialog{
  transform:translateY(0);
}

.age-dialog-head{
  display:flex;
  align-items:center;
  gap:15px;
}

.age-symbol{
  display:grid;
  place-items:center;
  flex:0 0 52px;
  width:52px;
  height:52px;
  border:1px solid var(--gold);
  border-radius:50%;
  color:var(--gold);
  font-weight:900;
}

.age-dialog h2{
  margin:0;
  font-size:23px;
}

.age-dialog p{
  margin:17px 0 23px;
  color:var(--mist);
  font-size:14px;
}

.age-dialog-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.age-dialog-note{
  margin-top:15px;
  color:var(--weak);
  font-size:11px;
}

@media (max-width:1024px){
  .container{width:min(calc(100% - 48px),var(--container))}
  .section{padding:86px 0}
  .nav-links,.nav-actions .age-link,.nav-actions > .btn{display:none}
  .menu-toggle{display:block}
  .category-head-grid{grid-template-columns:1fr}
  .category-meta{max-width:360px}
  .content-layout{grid-template-columns:1fr}
  .mobile-filter-bar{display:block}
  .filter-rail{
    position:fixed;
    top:80px;
    right:0;
    bottom:0;
    z-index:70;
    width:min(88vw,360px);
    border-radius:0;
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(105%);
    transition:.3s ease;
  }
  .filter-rail.open{
    visibility:visible;
    transform:translateX(0);
  }
  .filter-close{display:block}
  .path-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
  .footer-grid > div:last-child{grid-column:2/4}
}

@media (max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .section{padding:68px 0}
  .category-head{padding:56px 0}
  .category-head::before{font-size:180px}
  .category-head h1{font-size:clamp(38px,11vw,52px)}
  .category-summary{font-size:15px}
  .content-section{padding:60px 0 76px}
  .results-head{align-items:start;flex-direction:column}
  .sort-select{width:100%}
  .featured-card{grid-template-columns:1fr}
  .featured-copy{padding:27px}
  .cards-grid{grid-template-columns:1fr}
  .content-card.wide{
    grid-column:auto;
    grid-template-columns:1fr;
  }
  .guide-strip{
    grid-column:auto;
    grid-template-columns:auto 1fr;
  }
  .guide-strip .btn{
    grid-column:1/3;
    width:100%;
  }
  .empty-state{grid-column:auto}
  .pagination-wrap{
    align-items:stretch;
    flex-direction:column;
  }
  .pagination{justify-content:center}
  .pagination-wrap > .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/3}
  .footer-grid > div:last-child{grid-column:auto}
}

@media (max-width:520px){
  .container{width:calc(100% - 32px)}
  .header{height:72px}
  .mobile-panel{top:72px}
  .mobile-backdrop{inset:72px 0 0}
  .logo{font-size:15px}
  .logo-mark{width:27px;height:27px}
  .category-head{padding:45px 0 48px}
  .category-meta{width:100%}
  .meta-box{padding:16px}
  .category-head h1{letter-spacing:-.055em}
  .featured-card{min-height:0}
  .featured-copy{padding:23px}
  .card-body{padding:20px}
  .guide-strip{
    display:block;
    padding:23px;
  }
  .guide-number{margin-bottom:17px}
  .guide-strip .btn{margin-top:18px}
  .path-grid{grid-template-columns:1fr}
  .path-item{min-height:180px}
  .path-item h3{margin-top:22px}
  .faq-question{font-size:15px}
  .faq-answer p{padding-right:4px}
  .cta{padding:58px 0}
  .cta-panel{padding:31px 23px}
  .cta-actions{display:grid}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-brand,
  .footer-grid > div:last-child{grid-column:auto}
  .copyright{
    align-items:flex-start;
    flex-direction:column;
  }
  .age-dialog{padding:24px}
  .age-dialog-actions{display:grid}
  .age-dialog-actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    scroll-behavior:auto!important;
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
}