/* roulang page: index */
:root{
    --bg-page:#101310;
    --bg-surface:#171D19;
    --bg-float:#1F2722;
    --line-soft:#2D3831;
    --txt-main:#F2F6F0;
    --txt-sub:#A1AAA2;
    --txt-dim:#687269;
    --accent:#C5F94F;
    --action:#FF6B35;
    --danger:#F45B4A;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-btn:12px;
    --shadow-card:0 18px 40px rgba(0,0,0,.28);
    --font-sans:"PingFang SC","Microsoft YaHei UI","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    --space-section:116px;
    --space-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg-page);color:var(--txt-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s,background .25s,border-color .25s,box-shadow .25s,transform .25s;outline:none!important}
button{font-family:var(--font-sans);outline:none!important}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
ul,ol{list-style:none}
.container{width:min(1280px,100% - 48px);margin-inline:auto}
.section{padding-block:var(--space-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.block-tag{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;font-weight:600;letter-spacing:.06em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.block-tag::before{content:"";width:28px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.section-sub{color:var(--txt-sub);font-size:16px;max-width:56ch;line-height:1.8}
a.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:500;font-size:.9rem;padding:10px 18px;border:1px solid rgba(197,249,79,.25);border-radius:999px;transition:all .25s}
a.link-more i{transition:transform .2s}
a.link-more:hover{background:var(--accent);color:#111;border-color:var(--accent)}
a.link-more:hover i{transform:translateX(4px)}

/* 滚动条隐藏辅助 */
.scroll-x-mask{position:relative}
.scroll-row{display:flex;gap:20px;overflow-x:auto;padding:10px 4px 26px;scroll-behavior:smooth;scrollbar-width:none}
.scroll-row::-webkit-scrollbar{display:none}
.scroll-btn{position:absolute;top:42%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(31,39,34,.9);border:1px solid rgba(255,255,255,.08);color:var(--accent);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;backdrop-filter:blur(6px);transition:all .25s;box-shadow:0 6px 18px rgba(0,0,0,.3)}
.scroll-btn:hover{background:var(--accent);color:#111;border-color:var(--accent)}
.scroll-btn.prev{left:-18px}
.scroll-btn.next{right:-18px}

/* header */
.header-site{position:sticky;top:0;z-index:200;background:rgba(23,29,25,.9);backdrop-filter:blur(9px);border-bottom:1px solid var(--line-soft)}
.header-bar{position:relative;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.header-bar::after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:1px;background:linear-gradient(90deg,var(--accent),transparent 80%)}
.header-left,.header-right{display:flex;align-items:center;min-width:0;flex:1;font-size:.95rem}
.header-left{justify-content:flex-start;gap:30px}
.header-right{justify-content:flex-end;gap:30px}
.nav-link{display:inline-flex;align-items:center;gap:6px;color:var(--txt-sub);font-weight:500;padding:8px 2px;position:relative;font-size:.94rem;white-space:nowrap}
.nav-link::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .25s ease}
.nav-link:hover{color:var(--txt-main)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{transform:scaleX(1)}
.logo-center{display:flex;align-items:center;gap:10px;margin:0 12px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#111;font-weight:700;font-size:1rem;box-shadow:0 0 0 0 rgba(197,249,79,.4);transition:box-shadow .3s}
.logo-mark i{font-size:18px}
.logo-center:hover .logo-mark{box-shadow:0 0 0 6px rgba(197,249,79,.25)}
.logo-text{display:flex;flex-direction:column;line-height:1.15;color:var(--txt-main)}
.logo-text strong{font-size:1rem;letter-spacing:.02em}
.logo-text span{font-size:.72rem;color:var(--txt-dim);letter-spacing:.08em}
.header-toggle{display:none;flex-shrink:0;}
.mobile-nav{position:fixed;top:73px;left:0;right:0;background:rgba(23,29,25,.97);backdrop-filter:blur(12px);padding:20px 24px 30px;z-index:199;border-bottom:1px solid rgba(197,249,79,.2);display:none}
.mobile-nav.open{display:block}
.mobile-nav .mobile-links{display:flex;flex-direction:column;gap:6px}
.mobile-nav .mobile-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft)}
.mobile-nav .mobile-inner a{display:flex;align-items:center;gap:10px;background:var(--bg-surface);padding:15px 14px;border-radius:var(--radius-md);font-size:.88rem;font-weight:500}
.mobile-nav .mobile-inner a i{color:var(--accent);width:20px;text-align:center}

@media(max-width:1080px){
    .header-left,.header-right{display:none}
    .header-toggle{display:flex}
    .header-bar{justify-content:space-between}
}

/* hero */
.hero-area{position:relative;min-height:86vh;display:flex;align-items:center;background:var(--bg-surface);overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center 35%/cover no-repeat}
.hero-bg-grad{position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,19,16,.96) 0%,rgba(16,19,16,.84) 33%,rgba(16,19,16,.36) 70%,rgba(16,19,16,.65) 100%),radial-gradient(70% 60% at 65% 45%,rgba(23,29,25,.22),rgba(16,19,16,.72) 100%)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 75%,var(--bg-page) 100%)}
.hero-content{position:relative;z-index:3;padding:90px 0 110px;max-width:min(100%,680px);margin-left:0}
.hero-kicker{display:inline-flex;gap:8px;align-items:center;background:rgba(197,249,79,.07);color:var(--accent);font-size:.78rem;font-weight:600;letter-spacing:.2em;padding:8px 16px;border-radius:999px;border:1px solid rgba(197,249,79,.2);margin-bottom:26px}
.hero-kicker i{font-size:12px}
.hero-content h1{font-size:clamp(38px,6.4vw,68px);line-height:1.14;font-weight:700;letter-spacing:-.01em;color:var(--txt-main);text-wrap:balance}
.hero-content h1 .accent-line{color:var(--accent);position:relative}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:var(--txt-sub);max-width:48rem;margin-top:20px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--action);color:#151119;color:#161410;font-weight:700;font-size:1rem;padding:14px 28px;border-radius:var(--radius-btn);border:none;cursor:pointer;box-shadow:0 8px 22px rgba(255,107,53,.22),0 2px 8px rgba(255,107,53,.12);transition:all .25s}
.btn-primary i{transition:transform .2s}
.btn-primary:hover{background:#FF824A;transform:translateY(-3px);box-shadow:0 14px 30px rgba(255,107,53,.32)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:rgba(255,255,255,.06);color:var(--txt-main);font-weight:500;font-size:1rem;padding:14px 26px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.18);cursor:pointer;transition:all .25s;backdrop-filter:blur(4px)}
.btn-secondary i{color:var(--accent)}
.btn-secondary:hover{background:rgba(255,255,255,.12);border-color:var(--accent);color:var(--accent)}
.hero-meta{margin-top:64px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-meta .chip{font-size:.78rem;padding:6px 15px;border-radius:999px;background:rgba(255,255,255,.05);color:var(--txt-dim);border:1px solid var(--line-soft);display:inline-flex;align-items:center;gap:8px}
.hero-meta .chip i{color:var(--accent);font-size:.68rem}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:5px;color:var(--txt-dim);z-index:3;font-size:.75rem;letter-spacing:.08em;animation:scrollNudge 2s ease infinite}
.hero-scroll i{color:var(--accent);font-size:16px}
@keyframes scrollNudge{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

/* 片库横滑 */
.library-section{padding-top:60px;padding-bottom:var(--space-section)}
.library-card{flex:0 0 185px;background:var(--bg-surface);border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(255,255,255,.03);transition:all .3s;box-shadow:0 8px 20px transparent}
.library-card:hover{transform:translateY(-6px);border-color:rgba(197,249,79,.4);box-shadow:0 14px 30px rgba(0,0,0,.4);background:var(--bg-float)}
.library-card .lib-cover{aspect-ratio:3/4;overflow:hidden;position:relative;background:var(--bg-float)}
.library-card .lib-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .4s ease}
.library-card:hover .lib-cover img{transform:scale(1.06)}
.library-card .badge-live{position:absolute;left:10px;top:10px;font-size:.62rem;color:#101310;background:var(--accent);padding:3px 9px;line-height:1.4;border-radius:999px;font-weight:700;letter-spacing:.05em;z-index:1}
.lib-body{padding:13px 12px 14px}
.lib-body h3{font-size:.88rem;font-weight:600;letter-spacing:.01em;color:var(--txt-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:6px}
.lib-meta-line{display:flex;justify-content:space-between;align-items:center;gap:6px}
.lib-tag{font-size:.68rem;color:var(--accent);background:rgba(197,249,79,.07);border-radius:999px;padding:2px 8px;border:1px solid rgba(197,249,79,.1)}
.lib-time{font-size:.68rem;color:var(--txt-dim);display:inline-flex;align-items:center;gap:5px}

/* 热门推荐二大四小 */
.feature-section{background:var(--bg-surface);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);min-height:100vh;padding-block:var(--space-section)}
.feature-warp{display:flex;flex-direction:column;gap:26px}
.feature-main{display:grid;grid-template-columns:1.8fr 1.1fr;gap:26px;align-items:stretch}
.feature-hero{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:380px;display:flex;align-items:flex-end;background:var(--bg-float);box-shadow:var(--shadow-card);cursor:pointer;transition:all .3s;border:1px solid rgba(255,255,255,.02)}
.feature-hero .cover-poster{position:absolute;inset:0}
.feature-hero .cover-poster img{width:100%;height:100%;object-fit:cover;object-position:center top}
.feature-hero .label-rank{position:absolute;top:18px;left:18px;background:var(--accent);color:#101310;padding:5px 14px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.05em}
.feature-hero .cover-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,19,16,0) 35%,rgba(16,19,16,.95) 100%)}
.feature-hero h3{position:relative;z-index:3;font-size:clamp(24px,3vw,34px);margin:0;padding:20px 24px 10px;font-weight:700;line-height:1.3;color:var(--txt-main)}
.feature-hero .feature-desc{position:relative;z-index:3;padding:0 24px 26px;font-size:.9rem;color:var(--txt-sub);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.feature-hero small{color:var(--txt-dim)}
.feature-hero .go-short{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:.9rem}
.feature-hero:hover{transform:scale(1.01)}
.feature-side{display:flex;flex-direction:column;gap:26px}
.feature-card-small{display:flex;gap:16px;background:var(--bg-page);padding:12px;border-radius:var(--radius-lg);border:1px solid transparent;transition:all .25s;cursor:pointer}
.feature-card-small:hover{background:var(--bg-float);border-color:rgba(197,249,79,.14);transform:translateY(-3px)}
.small-poster{width:100px;flex-shrink:0;aspect-ratio:3/4;border-radius:12px;overflow:hidden;}
.small-poster img{width:100%;height:100%;object-fit:cover}
.small-detail{padding:5px 8px 0 2px;display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.poster-title{font-size:.88rem;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:4px}
.poster-meta .cat-eye{font-size:.65rem;border:1px solid var(--line-soft);padding:2px 8px;border-radius:999px;color:var(--txt-dim)}
.poster-meta .cat-dot{color:var(--action);font-size:.6rem}
.feature-secondary{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.secondary-card{background:var(--bg-float);border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(255,255,255,.03);transition:all .3s;cursor:pointer;display:flex;flex-direction:column;min-width:0}
.secondary-card:hover{transform:translateY(-5px);border-color:rgba(197,249,79,.4);box-shadow:var(--shadow-card)}
.sec-cover{aspect-ratio:16/10;background:var(--bg-surface);overflow:hidden}
.sec-cover img{width:100%;height:100%;object-fit:cover;transition:all .35s}
.secondary-card:hover img{transform:scale(1.04)}
.sec-body{padding:14px 17px 16px;flex:1;display:flex;flex-direction:column}
.sec-body h3{font-size:.95rem;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.sec-body .sec-tag-row{margin-top:12px;display:flex;justify-content:space-between;align-items:center}
.sec-tag{font-size:.68rem;color:var(--accent);background:rgba(197,249,79,.08);padding:2px 10px;border-radius:999px;border:1px solid rgba(197,249,79,.12)}
.sec-time{font-size:.7rem;color:var(--txt-dim)}

/* 片单分区块 */
.playlist-section{background:linear-gradient(180deg,var(--bg-page),#0c100d)}
.playlist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.playlist-item{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;display:flex;align-items:flex-end;cursor:pointer;box-shadow:0 15px 35px rgba(0,0,0,.35);border:1px solid transparent;transition:all .3s;background:var(--bg-float)}
.playlist-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,19,16,.16) 0%,rgba(16,19,16,.93) 100%);opacity:.95;transition:opacity .3s}
.playlist-item .play-bg{position:absolute;inset:0}
.playlist-item img{width:100%;height:100%;object-fit:cover;transition:all .5s}
.playlist-item:hover img{transform:scale(1.07);filter:brightness(.95)}
.playlist-info{position:relative;z-index:3;padding:24px;width:100%;transform:translateY(0)}
.playlist-info h3{font-size:clamp(18px,2vw,24px);font-weight:700;letter-spacing:-.01em;margin-bottom:4px}
.playlist-info .play-note{color:var(--txt-sub);font-size:.84rem;max-height:0;opacity:0;transition:max-height .35s ease,opacity .3s ease;margin:0;overflow:hidden;line-height:1.7}
.playlist-item:hover .play-note{max-height:46px;opacity:1;margin-top:8px}
.play-intro{margin-top:8px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.play-tag{font-size:.68rem;color:var(--accent);background:rgba(197,249,79,.1);padding:2px 10px;border-radius:999px}
.playlist-item:hover{border-color:rgba(197,249,79,.4);transform:translateY(-6px)}
.playlist-item .arrow-c{display:flex;gap:8px;align-items:center;color:var(--accent);font-size:.82rem;font-weight:600}

/* 数据列表 / CMS资讯 */
.news-section{background:#0a0d0b;position:relative}
.news-section .section{
    padding-top:var(--space-section);
    padding-bottom:var(--space-section)
}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 26px}
.news-card{display:flex;flex-direction:row;align-items:stretch;background:var(--bg-surface);border:1px solid rgba(255,255,255,.03);border-radius:var(--radius-lg);overflow:hidden;transition:all .28s;min-height:0}
.news-card:hover{border-color:rgba(197,249,79,.3);transform:translateY(-4px);box-shadow:var(--shadow-card);background:var(--bg-float)}
.news-card .news-cover{flex:0 0 200px;width:200px;min-height:150px;background:var(--bg-float);display:block}
.news-card .news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:18px 22px;display:flex;flex-direction:column;justify-content:center;gap:8px;flex:1;min-width:0}
.news-body .news-cate-line{display:flex;gap:8px;align-items:center;font-size:.7rem;color:var(--txt-dim)}
.news-body .news-cate{color:var(--accent);font-weight:600;font-size:.72rem}
.news-body h3{font-size:1.1rem;line-height:1.55;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-weight:700}
.news-body p{color:var(--txt-sub);font-size:.88rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;margin-top:2px}
.news-time{display:flex;align-items:center;gap:10px;font-size:.74rem;color:var(--txt-dim)}
.news-time i{color:var(--accent)}
.news-section .empty-tip{background:rgba(255,255,255,.02);border:1px dashed var(--line-soft);min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border-radius:var(--radius-lg);color:var(--txt-sub)}
.empty-tip i{font-size:2rem;color:var(--txt-dim)}

/* 资讯底部CTA */
.cta-area{padding:120px 0;position:relative;overflow:hidden;background:url('/assets/images/backpic/back-2.webp') center/cover fixed no-repeat}
.cta-shade{position:absolute;inset:0;background:rgba(23,29,25,.75);background:linear-gradient(115deg,rgba(16,19,16,.92),rgba(24,29,27,.76))}
.cta-inner{position:relative;max-width:760px}
.cta-inner h2{font-size:clamp(28px,4vw,44px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.cta-inner p{font-size:1rem;color:var(--txt-sub);margin-top:16px;margin-bottom:30px;max-width:48rem}
.cta-action-console{display:flex;flex-wrap:wrap;gap:14px}

/* faq */
.faq-wrap{max-width:850px;margin-inline:auto}
details.faq-item{background:var(--bg-surface);border:1px solid transparent;border-radius:16px;margin-bottom:10px;padding:0 10px;overflow:hidden;transition:all .2s}
details.faq-item[open]{background:var(--bg-float);border-color:rgba(197,249,79,.3)}
faq-item summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:18px;font-weight:600;font-size:1.02rem;padding:22px 12px;color:var(--txt-main)}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary h3{font-size:1rem;display:inline;font-weight:600;font-family:var(--font-sans)}
.faq-icon{width:26px;height:26px;flex-shrink:0;color:var(--accent);background:rgba(197,249,79,.08);display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:15px;transition:transform .25s}
details[open] .faq-icon i{transform:rotate(45deg)}
details[open] .faq-icon i{transition:transform .25s}
.faq-btn-tors{position:relative;padding:0 14px 24px;color:var(--txt-sub);font-size:.93rem;line-height:1.9}

/* footer */
.footer-site{background:#0a0c0b;border-top:1px solid var(--line-soft);padding-top:80px}
.footer-manual{display:grid;grid-template-columns:2fr 1fr 1fr;gap:55px;padding-bottom:62px}
.footer-brand .foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .foot-logo img{width:38px;height:38px;border-radius:10px}
.footer-brand p{font-size:.92rem;color:var(--txt-dim);line-height:1.9;max-width:35rem}
.footer-brand .social-icons{display:flex;gap:13px;margin-top:22px}
.footer-brand .social-icons a{width:38px;height:38px;background:var(--bg-surface);border:1px solid var(--line-soft);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--txt-sub);transition:all .25s}
.footer-brand .social-icons a:hover{color:#111;background:var(--accent);border-color:var(--accent);transform:translateY(-3px)}
.footer-menu h4{font-size:.86rem;font-weight:700;margin-bottom:20px;letter-spacing:.05em;color:var(--txt-main)}
.footer-menu ul li a{color:var(--txt-sub);font-size:.88rem;line-height:2.7;transition:color .2s}
.footer-menu ul li a:hover{color:var(--accent);padding-left:5px}
.footer-bottom{border-top:1px solid rgba(45,56,49,.5);padding:27px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.78rem;color:var(--txt-dim)}
.footer-bottom .copy a{color:var(--txt-dim);margin-left:5px;transition:color .25s}
.footer-bottom .copy a:hover{color:var(--accent)}

/* responsive */
@media(max-width:1024px){
    .container{width:min(100% - 32px,1280px)}
    .feature-main{grid-template-columns:1.2fr 1fr}
    .playlist-grid{grid-template-columns:repeat(2,1fr);gap:18px}
    .feature-secondary{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:880px){
    .section{padding-block:68px}
    .feature-main{grid-template-columns:1fr}
    .feature-hero{min-height:380px}
    .feature-side{flex-direction:row;flex-wrap:wrap}
    .feature-card-small{flex:1 1 42%}
    .news-card .news-cover,.news-card .news-cover img{flex-basis:150px;width:150px}
    .scroll-btn{display:none}
}
@media(max-width:640px){
    .container{width:min(100% - 24px,1280px)}
    .hero-content{padding:75px 0 90px}
    .hero-meta{margin-top:35px}
    .playlist-grid{grid-template-columns:1fr}
    .feature-card-small{flex:1 1 100%}
    .feature-secondary{grid-template-columns:1fr}
    .footer-manual{grid-template-columns:1fr 1fr}
    .news-grid{grid-template-columns:1fr}
    .news-card .news-cover,.news-card .news-cover img{flex-basis:125px;width:125px}
    .section-head h2{font-size:1.7rem}
    .section-sub{font-size:.9rem}
    .cta-area{padding:90px 0}
    .header-toggle{display:flex}
}
@media(max-width:480px){
    .hero-content h1{font-size:2.15rem;line-height:1.2}
    .btn-primary,.btn-secondary{width:100%}
    .hero-meta{flex-direction:column;align-items:flex-start}
    .footer-manual{grid-template-columns:1fr;gap:30px}
    .footer-bottom{flex-direction:column;align-items:center}
    .footer-brand p{font-size:.85rem}
    .logo-center{margin:0 5px}
    .logo-text span{display:none}
    .header-bar{padding:0 4px}
    .library-card{flex-basis:150px}
}

.news-card{min-width:0}
.hero-content b{color:var(--accent);font-weight:inherit}
.go-corner{color:var(--accent);font-size:1rem;display:block}

/* roulang page: category1 */
:root{
    --bg:#101310;
    --surface:#171D19;
    --surface2:#1F2722;
    --border:#2D3831;
    --txt:#F2F6F0;
    --txt-sub:#A1AAA2;
    --txt-dim:#687269;
    --accent:#C5F94F;
    --accent-deep:#a8dd3a;
    --orange:#FF6B35;
    --red:#F45B4A;
    --radius-lg:22px;
    --radius-md:14px;
    --radius-sm:9px;
    --shadow:0 24px 60px rgba(0,0,0,.28);
    --shadow-sm:0 8px 24px rgba(0,0,0,.22);
    --font: "PingFang SC","Microsoft YaHei UI","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    --wrap:1280px;
    --gap:24px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:var(--font);
    background:var(--bg);
    color:var(--txt);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    background:
        radial-gradient(circle at 12% -5%, rgba(197,249,79,.05), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(255,107,53,.05), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(63,97,71,.05), transparent 30%);
    pointer-events:none;
    z-index:-1;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,summary{font-family:inherit}
.container{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.container-narrow{max-width:900px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
    position:sticky;
    top:0;
    z-index:200;
    background:rgba(16,19,16,.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
    height:78px;
}
.site-header::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-1px;
    width:100%;
    height:2px;
    background:linear-gradient(90deg, transparent, var(--accent) 18%, var(--orange) 76%, transparent);
    opacity:.65;
}
.header-inner{
    max-width:var(--wrap);
    height:100%;
    margin:0 auto;
    padding:0 28px;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
    align-items:center;
    gap:20px;
}
.header-nav-left,.header-nav-right{
    display:flex;
    align-items:center;
    gap:22px;
}
.header-nav-right{
    justify-content:flex-end;
}
.nav-link{
    font-size:15px;
    font-weight:600;
    color:var(--txt-sub);
    letter-spacing:.01em;
    padding:10px 2px 7px;
    position:relative;
    transition:color .25s ease;
    white-space:nowrap;
}
.nav-link i{
    color:var(--accent);
    font-size:.85rem;
}
.nav-link:hover{
    color:var(--accent);
}
.nav-link::after{
    content:"";
    position:absolute;
    left:0;
    right:100%;
    bottom:0;
    height:2px;
    background:var(--accent);
    border-radius:2px 2px 0 0;
    transition:right .25s ease;
}
.nav-link:hover::after{
    right:0;
}
.nav-link.active{
    color:var(--accent);
}
.nav-link.active::after{
    right:0;
}
.site-logo{
    display:flex;
    align-items:center;
    gap:12px;
    min-width:240px;
    justify-content:center;
    border:1px solid var(--border);
    background:linear-gradient(120deg, rgba(197,249,79,.08), rgba(255,107,53,.05));
    padding:9px 19px;
    border-radius:40px;
    transition:border .3s ease, box-shadow .3s ease;
}
.site-logo:hover{
    border-color:rgba(197,249,79,.5);
    box-shadow:0 0 0 4px rgba(197,249,79,.05);
}
.logo-mark{
    width:36px;
    height:36px;
    flex:0 0 36px;
    display:grid;
    place-items:center;
    font-size:18px;
    border-radius:12px;
    color:#171D19;
    background:linear-gradient(145deg,var(--accent),#9ed433);
    box-shadow:0 0 16px rgba(197,249,79,.18);
}
.logo-txt{
    display:flex;
    flex-direction:column;
    line-height:1.2;
    text-align:left;
}
.logo-txt strong{
    font-size:16px;
    font-weight:800;
    letter-spacing:.01em;
    color:var(--txt);
}
.logo-txt em{
    font-style:normal;
    font-size:11px;
    letter-spacing:.18em;
    color:var(--txt-dim);
}
.mobile-menu-open{
    display:none;
}

/* ---------- Hero ---------- */
.cat-hero{
    position:relative;
    min-height:62vh;
    display:flex;
    align-items:center;
    background:
        linear-gradient(100deg, rgba(16,19,16,.95) 0%, rgba(16,19,16,.75) 45%, rgba(16,19,16,.42) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border-bottom:1px solid var(--border);
    overflow:hidden;
    isolation:isolate;
}
.cat-hero::before{
    content:"";
    position:absolute;
    right:-80px;
    bottom:-80px;
    width:360px;
    height:360px;
    background:rgba(197,249,79,.04);
    filter:blur(60px);
    border-radius:50%;
    pointer-events:none;
}
.cat-hero-content{
    position:relative;
    z-index:2;
    padding:150px 0 90px;
    max-width:var(--wrap);
    margin:0 auto;
    width:100%;
}
.crumb{
    display:flex;
    align-items:center;
    gap:10px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--txt-sub);
    margin-bottom:24px;
}
.crumb a{
    color:var(--txt-sub);
    transition:color .25s;
}
.crumb a:hover{color:var(--accent)}
.crumb i{
    font-size:.55rem;
    color:var(--txt-dim);
}
.crumb .current{
    color:var(--accent);
    font-weight:600;
}
.hero-kicker{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    letter-spacing:.22em;
    color:var(--accent);
    font-weight:700;
    margin-bottom:22px;
}
.hero-kicker::before{
    content:"";
    width:34px;
    height:2px;
    background:var(--orange);
    border-radius:2px;
}
.cat-hero h1{
    font-size:clamp(38px,5.8vw,68px);
    line-height:1.15;
    font-weight:900;
    letter-spacing:-.02em;
    max-width:780px;
    margin-bottom:18px;
}
.cat-hero h1 span{
    color:var(--accent);
}
.hero-lead{
    font-size:17px;
    color:var(--txt-sub);
    max-width:650px;
    margin-bottom:30px;
    line-height:1.9;
}
.hero-lead strong{
    color:var(--txt);
    font-weight:700;
}
.hero-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
}
.btn{
    display:inline-flex;
    align-items:center;
    gap:9px;
    height:50px;
    padding:0 28px;
    border-radius:13px;
    font-size:15px;
    font-weight:800;
    border:none;
    cursor:pointer;
    transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn i{
    font-size:.85em;
    transition:transform .25s ease;
}
.btn:hover i{
    transform:translateX(4px);
}
.btn-primary{
    background:linear-gradient(135deg,var(--orange),#ff8f4e);
    color:#1a160f;
    box-shadow:0 12px 30px rgba(255,107,53,.2);
}
.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 16px 34px rgba(255,107,53,.28);
}
.btn-ghost{
    background:transparent;
    color:var(--txt);
    border:1px solid var(--border);
}
.btn-ghost:hover{
    border-color:rgba(197,249,79,.7);
    color:var(--accent);
    transform:translateY(-2px);
    background:rgba(197,249,79,.04);
}
.btn-accent{
    background:var(--accent);
    color:#17150e;
    box-shadow:0 10px 26px rgba(197,249,79,.16);
}
.btn-accent:hover{
    transform:translateY(-2px);
    background:#d4ff6f;
    box-shadow:0 14px 30px rgba(197,249,79,.22);
}
.hero-float{
    margin-top:52px;
    display:flex;
    gap:46px;
    flex-wrap:wrap;
    padding:20px 24px;
    border-radius:18px;
    border:1px solid rgba(45,56,49,.8);
    background:linear-gradient(90deg, rgba(31,39,34,.6), rgba(31,39,34,.2));
    max-width:660px;
}
.float-num{
    font-size:32px;
    font-weight:900;
    color:var(--accent);
    line-height:1;
    letter-spacing:-.02em;
}
.float-label{
    font-size:12px;
    color:var(--txt-dim);
    margin-top:8px;
    letter-spacing:.04em;
}

/* ---------- Section General ---------- */
.section-common{
    padding:92px 0;
}
.section-head{
    max-width:720px;
    margin-bottom:50px;
}
.kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--accent);
    font-size:12px;
    font-weight:800;
    letter-spacing:.2em;
    text-transform:uppercase;
    margin-bottom:16px;
}
.kicker::before{
    content:"";
    width:20px;
    height:2px;
    background:var(--orange);
    border-radius:2px;
}
.section-head h2{
    font-size:clamp(26px,3.7vw,42px);
    line-height:1.25;
    font-weight:900;
    letter-spacing:-.02em;
    margin-bottom:12px;
}
.section-head p{
    color:var(--txt-sub);
    font-size:16px;
    line-height:1.9;
}
.center-head{
    margin-left:auto;
    margin-right:auto;
    text-align:center;
}
.center-head .kicker{
    justify-content:center;
}
.center-head .kicker::before{
    display:none;
}

/* Entry cards */
.entry-map{
    background:
        radial-gradient(circle at 80% 20%, rgba(255,107,53,.06), transparent 26%),
        var(--bg);
}
.entry-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
}
.entry-card{
    position:relative;
    display:flex;
    flex-direction:column;
    border-radius:var(--radius-lg);
    background:var(--surface);
    border:1px solid var(--border);
    overflow:hidden;
    min-height:420px;
    transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    box-shadow:0 4px 20px rgba(0,0,0,.12);
}
.entry-card:hover{
    transform:translateY(-6px);
    border-color:rgba(197,249,79,.55);
    box-shadow:var(--shadow);
}
.entry-card-img{
    position:relative;
    height:210px;
    overflow:hidden;
}
.entry-card-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .6s cubic-bezier(.16,1,.3,1);
}
.entry-card:hover .entry-card-img img{
    transform:scale(1.06);
}
.entry-card-img::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, transparent 55%, rgba(23,29,25,.85));
}
.entry-tag{
    position:absolute;
    left:16px;
    top:16px;
    z-index:3;
    background:var(--accent);
    color:#181b15;
    font-size:12px;
    font-weight:800;
    padding:5px 13px;
    border-radius:30px;
    letter-spacing:.02em;
}
.entry-card-body{
    display:flex;
    flex-direction:column;
    padding:22px 22px 20px;
    flex:1;
}
.entry-card-body h3{
    font-size:20px;
    line-height:1.35;
    font-weight:800;
    margin-bottom:10px;
}
.entry-card-body p{
    color:var(--txt-sub);
    font-size:14.5px;
    line-height:1.85;
    margin-bottom:18px;
    flex:1;
}
.entry-more{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--accent);
    font-size:14px;
    font-weight:800;
    margin-top:auto;
}
.entry-more span{
    position:relative;
}
.entry-more span::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-4px;
    width:0;
    height:2px;
    background:var(--accent);
    transition:width .28s ease;
}
.entry-card:hover .entry-more span::after{
    width:100%;
}
.entry-more i{
    width:30px;
    height:30px;
    display:grid;
    place-items:center;
    border-radius:50%;
    background:rgba(197,249,79,.08);
    border:1px solid rgba(197,249,79,.2);
    transition:transform .25s ease, background .25s ease;
}
.entry-card:hover .entry-more i{
    transform:translateX(5px);
    background:rgba(197,249,79,.16);
}

/* feature split */
.feature-split{
    background:linear-gradient(180deg, #101310 0%, #141A16 100%);
}
.feature-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:56px;
    align-items:center;
}
.feature-visual{
    position:relative;
    border-radius:26px;
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    min-height:410px;
}
.feature-visual img{
    width:100%;
    height:100%;
    object-fit:cover;
    min-height:410px;
}
.feature-visual::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(70deg, rgba(16,19,16,.05), rgba(16,19,16,.45));
    border-radius:26px;
}
.feature-note{
    position:absolute;
    left:20px;
    bottom:20px;
    background:rgba(23,29,25,.82);
    backdrop-filter:blur(8px);
    padding:12px 18px;
    border-radius:15px;
    border:1px solid rgba(197,249,79,.22);
    font-size:13px;
    color:var(--txt);
    z-index:3;
    line-height:1.5;
}
.feature-copy h2{
    font-size:clamp(27px,3vw,38px);
    line-height:1.3;
    font-weight:900;
    letter-spacing:-.02em;
    margin-bottom:16px;
}
.feature-copy h2 em{
    color:var(--accent);
    font-style:normal;
}
.feature-copy > p{
    color:var(--txt-sub);
    margin-bottom:30px;
    line-height:1.9;
}
.check-list{
    display:grid;
    gap:16px;
    margin-bottom:34px;
}
.check-list li{
    display:flex;
    gap:14px;
    align-items:flex-start;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:16px;
    padding:14px 16px;
    transition:border-color .25s ease;
}
.check-list li:hover{
    border-color:rgba(197,249,79,.4);
}
.check-list i{
    width:32px;
    height:32px;
    flex:0 0 32px;
    display:grid;
    place-items:center;
    font-size:14px;
    border-radius:50%;
    background:rgba(197,249,79,.1);
    color:var(--accent);
    margin-top:2px;
}
.check-list b{
    font-size:15.5px;
    font-weight:800;
    display:block;
    margin-bottom:2px;
}
.check-list span{
    font-size:14px;
    color:var(--txt-sub);
    line-height:1.7;
}

/* picks */
.pick-section{
    background:#11140F;
}
.pick-grid{
    display:grid;
    grid-template-columns:1.1fr 1fr 1fr;
    gap:24px;
}
.pick-card{
    border-radius:20px;
    overflow:hidden;
    background:var(--surface);
    border:1px solid var(--border);
    transition:transform .3s ease, border-color .25s ease, box-shadow .3s ease;
}
.pick-card:hover{
    transform:translateY(-5px);
    border-color:rgba(255,107,53,.45);
    box-shadow:var(--shadow-sm);
}
.pick-card-main{
    grid-row:span 2;
    display:flex;
    flex-direction:column;
}
.pick-card-img{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:#1d241f;
}
.pick-card-main .pick-card-img{
    aspect-ratio:16/10;
}
.pick-card-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .55s cubic-bezier(.16,1,.3,1);
}
.pick-card:hover .pick-card-img img{
    transform:scale(1.04);
}
.pick-overlay{
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    padding:16px;
    background:linear-gradient(0deg, rgba(0,0,0,.65), transparent);
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:10px;
}
.pick-badge{
    background:var(--orange);
    color:#1b150f;
    padding:4px 12px;
    border-radius:30px;
    font-size:12px;
    font-weight:900;
}
.pick-badge.green{
    background:var(--accent);
    color:#1a1d15;
}
.pick-badge.dim{
    background:rgba(23,29,25,.65);
    backdrop-filter:blur(8px);
    color:var(--txt);
    border:1px solid rgba(255,255,255,.12);
}
.pick-body{
    padding:18px 20px 20px;
    display:flex;
    flex-direction:column;
    flex:1;
}
.pick-body h3{
    font-size:18px;
    font-weight:800;
    line-height:1.4;
    margin-bottom:8px;
}
.pick-body p{
    font-size:14px;
    color:var(--txt-sub);
    margin-bottom:14px;
    line-height:1.75;
    display:-webkit-box;
    -webkit-line-clamp:2;
    line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.pick-meta{
    margin-top:auto;
    font-size:12.5px;
    color:var(--txt-dim);
    display:flex;
    align-items:center;
    gap:8px;
}

/* FAQ */
.faq-section{
    background:#0F130F;
}
.faq-grid{
    max-width:900px;
    margin:0 auto;
    display:grid;
    gap:14px;
}
.faq-item{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:18px;
    overflow:hidden;
    transition:border-color .25s ease;
}
.faq-item[open]{
    border-color:rgba(197,249,79,.38);
}
.faq-summary{
    display:flex;
    align-items:center;
    gap:15px;
    padding:21px 22px;
    cursor:pointer;
    list-style:none;
    font-size:16px;
    font-weight:700;
    transition:color .25s ease;
    user-select:none;
}
.faq-summary::-webkit-details-marker{
    display:none;
}
.faq-summary:hover{
    color:var(--accent);
}
.faq-item[open] .faq-summary{
    color:var(--accent);
}
.faq-summary i{
    margin-left:auto;
    color:var(--txt-dim);
    transition:transform .3s ease, color .3s ease;
    font-size:1.1rem;
}
.faq-item[open] .faq-summary i{
    transform:rotate(45deg);
    color:var(--accent);
}
.faq-summary .q-mark{
    flex:0 0 30px;
    height:30px;
    display:grid;
    place-items:center;
    border-radius:10px;
    background:rgba(255,107,53,.12);
    color:var(--orange);
    font-size:13px;
    font-weight:900;
}
.faq-body{
    padding:0 22px 22px 67px;
    color:var(--txt-sub);
    line-height:1.9;
    font-size:15px;
}
.faq-body a{
    color:var(--accent);
    border-bottom:1px solid rgba(197,249,79,.3);
}

/* CTA */
.cta-guide{
    background:
        linear-gradient(95deg, rgba(16,19,16,.92) 20%, rgba(16,19,16,.68)),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    padding:90px 0;
    border-top:1px solid var(--border);
}
.cta-wrap{
    max-width:720px;
    margin:0 auto;
    text-align:center;
}
.cta-wrap h2{
    font-size:clamp(27px,4vw,42px);
    font-weight:900;
    line-height:1.3;
    margin-bottom:18px;
    letter-spacing:-.02em;
}
.cta-wrap h2 em{
    font-style:normal;
    color:var(--accent);
}
.cta-wrap p{
    color:var(--txt-sub);
    font-size:16px;
    line-height:1.9;
    margin-bottom:34px;
}
.cta-btn-group{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:14px;
    flex-wrap:wrap;
}

/* Footer */
.footer-site{
    background:#0C100D;
    border-top:1px solid var(--border);
    padding-top:72px;
}
.footer-site .container{
    max-width:var(--wrap);
}
.footer-manual{
    display:grid;
    grid-template-columns:1.8fr 1fr 1fr;
    gap:58px;
    padding-bottom:56px;
}
.footer-brand{
    max-width:380px;
}
.foot-logo{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:20px;
}
.logo-mark{
    width:40px;
    height:40px;
    border-radius:13px;
    display:grid;
    place-items:center;
    background:var(--accent);
    color:#1c1d18;
    font-size:18px;
}
.foot-logo .logo-text{
    display:flex;
    flex-direction:column;
}
.foot-logo .logo-text strong{
    font-size:18px;
    font-weight:900;
    color:var(--txt);
}
.foot-logo .logo-text span{
    font-size:10px;
    letter-spacing:.2em;
    color:var(--txt-dim);
    margin-top:3px;
}
.footer-brand p{
    color:var(--txt-sub);
    font-size:14px;
    line-height:1.9;
    margin-bottom:22px;
}
.social-icons{
    display:flex;
    gap:10px;
}
.social-icons a{
    width:38px;
    height:38px;
    display:grid;
    place-items:center;
    border:1px solid var(--border);
    border-radius:12px;
    color:var(--txt-sub);
    transition:border-color .25s ease, color .25s ease, transform .25s ease;
}
.social-icons a:hover{
    color:var(--accent);
    border-color:rgba(197,249,79,.45);
    transform:translateY(-3px);
}
.footer-menu h4{
    color:var(--txt);
    font-size:16px;
    font-weight:800;
    margin-bottom:18px;
}
.footer-menu ul{
    display:grid;
    gap:10px;
}
.footer-menu ul a{
    color:var(--txt-sub);
    font-size:14px;
    transition:color .25s ease, padding-left .25s ease;
}
.footer-menu ul a:hover{
    color:var(--accent);
    padding-left:5px;
}
.footer-bottom{
    border-top:1px solid var(--border);
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:18px;
    flex-wrap:wrap;
    padding:22px 0 28px;
    color:var(--txt-dim);
    font-size:13px;
}
.footer-bottom i{
    font-size:.9em;
}

/* Focus */
a:focus-visible,
button:focus-visible,
summary:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
    border-radius:6px;
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
    .entry-grid{
        grid-template-columns:repeat(3,1fr);
        gap:18px;
    }
    .pick-grid{
        grid-template-columns:1fr 1fr;
    }
}
@media (max-width:1024px){
    .header-inner{
        display:flex;
        justify-content:center;
        position:relative;
        padding:0 18px;
    }
    .header-nav-left,
    .header-nav-right{
        display:none;
    }
    .site-logo{
        min-width:0;
    }
    .mobile-menu-open{
        display:block;
        position:absolute;
        right:18px;
        top:50%;
        transform:translateY(-50%);
        width:46px;
        height:46px;
        border-radius:13px;
        border:1px solid var(--border);
        background:var(--surface);
        color:var(--txt-sub);
        font-size:17px;
        cursor:pointer;
        transition:color .2s,border-color .25s;
        z-index:210;
    }
    .mobile-menu-open:hover{
        color:var(--accent);
        border-color:rgba(197,249,79,.45);
    }
}
@media (max-width:900px){
    .hero-float{
        gap:30px;
    }
    .feature-grid{
        grid-template-columns:1fr;
        gap:38px;
    }
    .feature-visual{
        min-height:320px;
    }
    .feature-visual img{
        min-height:320px;
    }
    .entry-grid{
        grid-template-columns:1fr;
        max-width:520px;
        margin:0 auto;
    }
    .pick-grid{
        grid-template-columns:1fr;
        max-width:520px;
        margin:0 auto;
    }
    .footer-manual{
        grid-template-columns:1fr 1fr;
        gap:40px 24px;
    }
    .footer-brand{
        grid-column:1/-1;
        max-width:100%;
    }
}
@media (max-width:768px){
    .section-common{
        padding:64px 0;
    }
    .container{
        padding:0 18px;
    }
    .cat-hero-content{
        padding-top:100px;
        padding-bottom:70px;
    }
    .cat-hero{
        min-height:auto;
    }
    .crumb{
        font-size:12px;
    }
    .hero-lead{
        font-size:16px;
    }
    .hero-float{
        display:grid;
        grid-template-columns:1fr 1fr 1fr;
        gap:18px;
        padding:16px 14px;
    }
    .float-num{
        font-size:26px;
    }
    .feature-visual{
        min-height:250px;
    }
    .feature-visual img{
        min-height:250px;
    }
}
@media (max-width:560px){
    .site-logo{
        padding:8px 11px;
        gap:9px;
        width:auto;
    }
    .site-logo .logo-mark{
        width:32px;
        height:32px;
        flex:0 0 32px;
        font-size:15px;
    }
    .logo-txt strong{
        font-size:14px;
    }
    .logo-txt em{
        font-size:9px;
        letter-spacing:.1em;
    }
    .site-header{
        height:68px;
    }
    .section-common{
        padding:52px 0;
    }
    .section-head{
        margin-bottom:34px;
    }
    .cat-hero h1{
        font-size:36px;
    }
    .hero-actions .btn{
        width:100%;
        justify-content:center;
    }
    .feature-visual{
        min-height:220px;
    }
    .feature-visual img{
        min-height:220px;
    }
    .faq-body{
        padding-left:22px;
        padding-right:18px;
    }
    .footer-manual{
        grid-template-columns:1fr;
        gap:34px;
        padding-bottom:40px;
    }
    .footer-brand{
        grid-column:auto;
    }
    .footer-bottom{
        flex-direction:column;
        justify-content:center;
        text-align:center;
    }
}
@media (max-width:400px){
    .container{
        padding:0 14px;
    }
    .site-logo{
        max-width:calc(100% - 90px);
    }
    .hero-lead{
        font-size:15px;
    }
    .float-label{
        font-size:10px;
    }
    .float-num{
        font-size:22px;
    }
}

/* roulang page: article */
:root{
  --page-bg:#101310;
  --surface:#171D19;
  --surface-2:#1F2722;
  --surface-3:#263129;
  --line:#2D3831;
  --line-soft:#222B24;
  --txt:#F2F6F0;
  --txt-sub:#A1AAA2;
  --txt-weak:#687269;
  --accent:#C5F94F;
  --action:#FF6B35;
  --danger:#F45B4A;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:9px;
  --shadow:0 22px 48px rgba(0,0,0,.32);
  --shadow-soft:0 10px 26px rgba(0,0,0,.22);
  --font-main:"PingFang SC","Microsoft YaHei UI","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--page-bg);
  color:var(--txt);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit}
ul,ol{list-style:none}
.skip-link{
  position:absolute;left:-999px;top:0;z-index:2000;
  background:var(--accent);color:#111;
  padding:10px 16px;border-radius:0 0 var(--radius-sm) 0;
  font-weight:600;
}
.skip-link:focus{left:0;color:#111}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{
  width:100%;
  max-width:1280px;
  margin-inline:auto;
  padding-inline:24px;
}
.container-narrow{
  max-width:860px;
  margin-inline:auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(16,19,16,.88);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 14px 36px rgba(0,0,0,.18);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.site-header::after{
  content:"";
  display:block;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--accent) 20%,var(--accent) 80%,transparent);
  opacity:.8;
}
.site-header.is-scrolled{
  background:rgba(13,16,13,.95);
  box-shadow:0 18px 40px rgba(0,0,0,.34);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:28px;
  min-height:78px;
  position:relative;
}
.header-left{
  display:flex;
  align-items:center;
  min-width:0;
}
.header-right{
  display:flex;
  justify-content:flex-end;
  min-width:0;
}
.header-nav-left,
.header-nav-right{
  display:flex;
  align-items:center;
  gap:26px;
}
.header-nav-left{justify-content:flex-start}
.header-nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:5px;
  color:var(--txt-sub);
  font-size:15px;
  font-weight:500;
  letter-spacing:.01em;
  white-space:nowrap;
  line-height:1.4;
  padding:10px 2px;
  transition:color .22s ease;
}
.nav-link i{color:var(--accent);font-size:.85rem}
.nav-link:hover,
.nav-link:focus-visible{color:var(--txt)}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:2px;
  height:2px;
  background:var(--accent);
  transition:right .25s ease;
}
.nav-link:hover::after,
.nav-link:focus-visible::after{right:0}
.nav-link.is-active{color:var(--txt)}
.nav-link.is-active::after{right:0}
.logo{
  display:inline-flex;
  align-items:center;
  gap:11px;
  justify-self:center;
  line-height:1.15;
  transition:opacity .2s ease;
}
.logo:hover{opacity:.88}
.logo-mark{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--accent);
  font-size:17px;
  box-shadow:inset 0 0 0 1px rgba(197,249,79,.06);
}
.logo-text{
  display:flex;
  flex-direction:column;
}
.logo-text strong{
  color:var(--txt);
  font-weight:700;
  font-size:18px;
  letter-spacing:.02em;
  white-space:nowrap;
}
.logo-text small{
  color:var(--txt-weak);
  font-size:10px;
  font-weight:600;
  letter-spacing:.14em;
  margin-top:2px;
  text-transform:uppercase;
}
.mobile-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  position:absolute;
  left:16px;
  top:50%;
  transform:translateY(-50%);
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--accent);
  font-size:17px;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.mobile-toggle:hover{border-color:var(--accent);color:var(--txt)}
.mobile-panel{
  display:none;
  max-height:0;
  overflow:hidden;
  transition:max-height .38s ease;
  border-top:1px solid transparent;
}
.mobile-panel-inner{
  padding:18px 20px 24px;
  display:grid;
  gap:4px;
}
.mobile-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:13px 16px;
  border-radius:var(--radius-md);
  color:var(--txt-sub);
  font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.mobile-link:hover,
.mobile-link:focus-visible{
  color:var(--txt);
  background:var(--surface-2);
}
.mobile-link i{
  color:var(--accent);
  width:20px;
  text-align:center;
  font-size:.9rem;
}
.mobile-link.is-active{color:var(--txt);background:var(--surface-2)}
.mobile-panel-close{
  margin-top:14px;
  padding:13px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:transparent;
  color:var(--txt-weak);
  cursor:pointer;
  font-size:14px;
  font-weight:500;
  transition:color .2s ease,border-color .2s ease;
}
.mobile-panel-close:hover{color:var(--txt);border-color:var(--txt-weak)}
.main-wrap{
  min-height:60vh;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-weight:600;
  font-size:15px;
  line-height:1.4;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--action);
  color:#20130c;
  border-color:var(--action);
}
.btn-primary:hover{
  background:#ff7f4d;
  border-color:#ff7f4d;
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(255,107,53,.22);
}
.btn-secondary{
  background:transparent;
  color:var(--txt);
  border-color:var(--line);
}
.btn-secondary:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(0,0,0,.2);
}
.btn-ghost{
  background:rgba(197,249,79,.08);
  color:var(--accent);
  border-color:rgba(197,249,79,.22);
}
.btn-ghost:hover{
  background:rgba(197,249,79,.16);
  color:var(--txt);
  transform:translateY(-2px);
}
.btn .fa-arrow-right{
  font-size:.85rem;
}

.article-hero{
  position:relative;
  background:
    radial-gradient(1200px 420px at 75% -220px, rgba(197,249,79,.05), transparent 60%),
    radial-gradient(800px 460px at -10% 8%, rgba(255,107,53,.04), transparent 55%),
    var(--surface);
  border-bottom:1px solid var(--line-soft);
  padding:66px 0 52px;
  overflow:hidden;
}
.article-hero-inner{
  position:relative;
  z-index:2;
  max-width:920px;
  margin-inline:auto;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:28px;
  color:var(--txt-weak);
  font-size:13px;
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumb li+li::before{
  content:"/";
  color:var(--txt-weak);
  font-size:12px;
  opacity:.7;
}
.breadcrumb a{
  color:var(--txt-sub);
  transition:color .2s ease;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:var(--txt);max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-category-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--accent);
  color:#141a10;
  padding:7px 13px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.03em;
  margin-bottom:20px;
}
.article-category-pill i{font-size:.75rem}
.article-title{
  font-size:clamp(32px,5vw,52px);
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--txt);
  margin-bottom:20px;
  text-wrap:balance;
}
.article-excerpt{
  color:var(--txt-sub);
  font-size:clamp(15px,1.6vw,18px);
  line-height:1.8;
  max-width:820px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:28px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  color:var(--txt-weak);
  font-size:13px;
  border-top:1px solid var(--line-soft);
  padding-top:22px;
}
.article-meta li{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.article-meta i{
  color:var(--accent);
  font-size:.9rem;
  width:14px;
}
.article-section{
  padding:70px 0 30px;
}

.article-html{
  font-size:17px;
  line-height:1.9;
  color:var(--txt);
}
.article-html > * + *{
  margin-top:1.45em;
}
.article-html h2{
  font-size:clamp(23px,3vw,30px);
  line-height:1.3;
  font-weight:700;
  color:var(--txt);
  margin-top:2.3em;
  padding-top:.4em;
}
.article-html h3{
  font-size:22px;
  line-height:1.35;
  font-weight:650;
  color:var(--txt);
  margin-top:2em;
}
.article-html h4{
  font-size:18px;
  font-weight:650;
  color:var(--txt);
  margin-top:1.8em;
}
.article-html p{
  text-align:justify;
}
.article-html a{
  color:var(--accent);
  border-bottom:1px solid rgba(197,249,79,.35);
  transition:border-color .2s ease,color .2s ease;
}
.article-html a:hover{
  color:var(--txt);
  border-color:var(--txt);
}
.article-html strong{
  color:var(--txt);
  font-weight:650;
}
.article-html em{
  color:var(--txt-sub);
}
.article-html ul,
.article-html ol{
  margin:1.6em 0;
  padding-left:1.4em;
}
.article-html ul{list-style:disc}
.article-html ol{list-style:decimal}
.article-html li{
  margin:.5em 0;
  padding-left:.2em;
}
.article-html li::marker{
  color:var(--accent);
}
.article-html blockquote{
  position:relative;
  margin:2em 0;
  padding:20px 26px 20px 30px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--radius-md);
  color:var(--txt-sub);
  font-style:normal;
}
.article-html blockquote::before{
  content:"\201C";
  position:absolute;
  left:12px;
  top:2px;
  color:rgba(197,249,79,.22);
  font-size:42px;
  line-height:1;
  font-family:Georgia,serif;
}
.article-html blockquote p{
  margin:6px 0;
}
.article-html img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  border:1px solid var(--line);
  margin:2em auto;
}
.article-html figure{
  margin:2.2em 0;
}
.article-html figure img{
  margin:0 auto;
}
.article-html figcaption{
  text-align:center;
  color:var(--txt-weak);
  font-size:13px;
  margin-top:10px;
}
.article-html code{
  display:inline-block;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--accent);
  font-size:.9em;
  padding:.15em .5em;
  border-radius:7px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
.article-html pre{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  overflow-x:auto;
  line-height:1.7;
  margin:2em 0;
}
.article-html pre code{
  display:block;
  background:transparent;
  border:0;
  padding:0;
  color:var(--txt-sub);
}
.article-html hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:3.2em 0;
}
.article-html table{
  width:100%;
  border-collapse:collapse;
  margin:2em 0;
  border-radius:var(--radius-md);
  overflow:hidden;
  font-size:15px;
  display:block;
  max-width:100%;
  overflow-x:auto;
}
.article-html th,
.article-html td{
  padding:13px 15px;
  border-bottom:1px solid var(--line);
  text-align:left;
  white-space:nowrap;
}
.article-html th{
  background:var(--surface-2);
  color:var(--txt);
  font-weight:650;
}
.article-html td{
  color:var(--txt-sub);
}
.article-html iframe{
  width:100%;
  aspect-ratio:16/9;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--surface-2);
}

.article-footer-box{
  margin-top:3.4em;
  padding-top:30px;
  border-top:1px solid var(--line);
}
.article-tool-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px 12px;
  align-items:center;
  margin-bottom:26px;
}
.article-tool-list .tool-label{
  color:var(--txt-weak);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.article-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--txt-sub);
  border-radius:8px;
  padding:6px 12px;
  font-size:13px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.article-tag:hover{
  color:var(--accent);
  border-color:rgba(197,249,79,.5);
  background:rgba(197,249,79,.05);
}
.article-back-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:10px;
}

.related-section{
  position:relative;
  padding:80px 0 46px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--accent);
  font-size:13px;
  font-weight:650;
  letter-spacing:.08em;
  margin-bottom:12px;
}
.section-kicker::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--accent);
  display:inline-block;
  border-radius:2px;
}
.related-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.related-head h2{
  font-size:clamp(26px,3.6vw,34px);
  line-height:1.2;
  color:var(--txt);
  font-weight:700;
}
.related-description{
  color:var(--txt-weak);
  max-width:360px;
  font-size:14px;
  text-align:right;
  line-height:1.7;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.rel-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:0 6px 16px rgba(0,0,0,.14);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rel-card:hover{
  transform:translateY(-5px);
  border-color:rgba(197,249,79,.55);
  box-shadow:var(--shadow);
}
.rel-card-img{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--surface-2);
}
.rel-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.rel-card:hover .rel-card-img img{
  transform:scale(1.045);
}
.rel-card-img::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,19,16,0) 60%,rgba(16,19,16,.35) 100%);
}
.rel-card-badge{
  position:absolute;
  left:14px;
  top:12px;
  z-index:2;
  background:var(--accent);
  color:#141a10;
  font-size:12px;
  font-weight:700;
  padding:4px 10px;
  border-radius:999px;
  letter-spacing:.02em;
}
.rel-card-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:20px 20px 18px;
}
.rel-card-body h3{
  font-size:18px;
  font-weight:650;
  line-height:1.4;
  color:var(--txt);
  margin-bottom:10px;
}
.rel-card-body p{
  color:var(--txt-sub);
  font-size:14px;
  line-height:1.7;
  flex:1;
}
.rel-card-more{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--accent);
  font-size:13px;
  font-weight:600;
}
.rel-card-more i{
  transition:transform .2s ease;
}
.rel-card:hover .rel-card-more i{
  transform:translateX(4px);
}

.section-gap{
  height:20px;
}
.article-cta{
  margin:56px 0 20px;
  background:
    linear-gradient(120deg, rgba(197,249,79,.04), transparent 40%),
    var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:44px 40px;
  overflow:hidden;
  text-align:center;
}
.article-cta h2{
  font-size:clamp(23px,3vw,30px);
  color:var(--txt);
  font-weight:700;
  line-height:1.3;
  margin-bottom:10px;
}
.article-cta p{
  color:var(--txt-sub);
  font-size:15px;
  max-width:660px;
  margin:0 auto 26px;
}
.article-cta .cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
}

.post-empty{
  min-height:56vh;
  display:flex;
  align-items:center;
  padding:80px 20px;
}
.empty-box{
  max-width:720px;
  margin:0 auto;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:64px 32px;
}
.empty-box i{
  color:var(--accent);
  font-size:46px;
  margin-bottom:22px;
  opacity:.8;
}
.empty-box h1{
  font-size:clamp(30px,4vw,42px);
  line-height:1.2;
  margin-bottom:12px;
}
.empty-box p{
  color:var(--txt-sub);
  margin-bottom:30px;
}

.footer-site{
  background:var(--surface);
  border-top:1px solid var(--line);
  margin-top:70px;
  padding:78px 0 0;
}
.footer-manual{
  display:grid;
  grid-template-columns:1.5fr .8fr .9fr;
  gap:54px;
  padding-bottom:52px;
}
.foot-logo{
  display:inline-flex;
  align-items:center;
  gap:11px;
  margin-bottom:18px;
}
.foot-logo .logo-mark{
  width:42px;
  height:42px;
}
.foot-logo .logo-text strong{
  font-size:20px;
}
.footer-brand p{
  color:var(--txt-weak);
  font-size:14px;
  line-height:1.85;
  margin-bottom:22px;
  max-width:390px;
}
.social-icons{
  display:flex;
  gap:10px;
}
.social-icons a{
  width:36px;
  height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--txt-sub);
  font-size:15px;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.social-icons a:hover{
  color:var(--accent);
  border-color:var(--accent);
  transform:translateY(-3px);
  background:rgba(197,249,79,.05);
}
.footer-menu h4{
  color:var(--txt);
  font-size:16px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-menu ul{
  display:grid;
  gap:11px;
}
.footer-menu a{
  color:var(--txt-sub);
  font-size:14px;
  line-height:1.5;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-menu a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  border-top:1px solid var(--line-soft);
  padding:22px 0 28px;
  color:var(--txt-weak);
  font-size:13px;
}
.footer-bottom i{
  margin-right:5px;
}
.copy strong{
  font-weight:600;
}

@media(max-width:1024px){
  .related-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-manual{
    grid-template-columns:1.4fr .9fr .9fr;
    gap:36px;
  }
  .header-inner{
    gap:16px;
  }
  .header-nav-left,
  .header-nav-right{
    gap:18px;
  }
}

@media(max-width:900px){
  .header-inner{
    display:flex;
    justify-content:center;
    min-height:70px;
  }
  .header-left,
  .header-right{
    display:contents;
  }
  .header-nav-left,
  .header-nav-right{
    display:none !important;
  }
  .mobile-toggle{
    display:inline-flex;
  }
  .mobile-panel{
    display:block;
  }
  body.nav-open .mobile-panel{
    max-height:480px;
    border-top-color:var(--line-soft);
  }
  .logo{
    position:relative;
    z-index:5;
  }
  .logo-text small{
    display:none;
  }
}

@media(max-width:768px){
  .article-hero{
    padding:48px 0 40px;
  }
  .article-hero-inner{
    max-width:100%;
  }
  .breadcrumb .current{
    max-width:220px;
  }
  .article-meta{
    gap:10px 16px;
  }
  .related-section{
    padding:58px 0 32px;
  }
  .related-head{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
  }
  .related-description{
    text-align:left;
    max-width:none;
  }
  .related-grid{
    grid-template-columns:1fr;
    gap:18px;
  }
  .article-cta{
    padding:38px 24px;
  }
  .footer-manual{
    grid-template-columns:1fr;
    gap:38px;
    padding-bottom:42px;
  }
  .footer-site{
    padding-top:60px;
  }
  .footer-bottom{
    justify-content:center;
    text-align:center;
  }
  .article-html{
    font-size:16px;
    line-height:1.85;
  }
  .article-html blockquote{
    padding-left:22px;
  }
  .container{
    padding-inline:18px;
  }
}

@media(max-width:480px){
  .header-inner{
    min-height:64px;
  }
  .logo-mark{
    width:36px;
    height:36px;
    font-size:15px;
  }
  .logo-text strong{
    font-size:16px;
  }
  .article-hero{
    padding:40px 0 32px;
  }
  .article-excerpt{
    -webkit-line-clamp:4;
  }
  .article-back-links .btn{
    width:100%;
  }
  .article-tool-list .tool-label{
    width:100%;
  }
  .article-cta .cta-actions .btn{
    width:100%;
  }
  .article-cta{
    border-radius:var(--radius-lg);
  }
  .section-kicker{
    letter-spacing:.04em;
  }
}

/* roulang page: category2 */
:root{
  --bg:#101310;
  --surface:#171D19;
  --surface-2:#1F2722;
  --line:#2D3831;
  --txt:#F2F6F0;
  --txt-sub:#A1AAA2;
  --txt-weak:#687269;
  --accent:#C5F94F;
  --action:#FF6B35;
  --danger:#F45B4A;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:10px;
  --shadow:0 18px 44px rgba(0,0,0,.28);
  --space:80px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:'PingFang SC','Microsoft YaHei UI','Noto Sans SC','Microsoft YaHei',sans-serif;
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
.container{width:min(1280px,92%);margin:0 auto}
.container-narrow{width:min(820px,92%);margin:0 auto}
::selection{background:var(--accent);color:#111}
img::selection{background:transparent}

/* Header */
.site-header{
  background:rgba(16,19,16,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:100;
}
.site-header::after{
  content:"";
  display:block;
  height:2px;
  background:linear-gradient(90deg,var(--accent),transparent 40%);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:72px;
  padding-top:8px;padding-bottom:8px;
}
.header-nav-left,.header-nav-right{
  display:flex;
  align-items:center;
  gap:26px;
}
.header-nav-right{justify-content:flex-end}
.nav-link{
  font-size:15px;
  color:var(--txt-sub);
  font-weight:500;
  position:relative;
  padding:8px 2px;
  transition:color .25s ease;
  white-space:nowrap;
}
.nav-link i{margin-right:5px;color:var(--accent);font-size:.85rem}
.nav-link:hover{color:var(--accent)}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{transform:scaleX(1)}
.logo-brand{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  color:var(--txt);
  line-height:1.2;
}
.logo-mark{
  width:34px;height:34px;
  background:var(--accent);
  color:#141a14;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;
  box-shadow:0 0 0 4px rgba(197,249,79,.12);
}
.logo-text{
  font-size:18px;
  font-weight:700;
  display:flex;flex-direction:column;
  line-height:1.1;
}
.logo-text span{
  font-size:9px;
  letter-spacing:.18em;
  color:var(--txt-weak);
  font-weight:400;
  text-transform:unset;
}
.logo-text strong{font-weight:800;font-size:17px;white-space:nowrap}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--accent);
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  transition:border-color .2s;
  position:absolute;
  right:4%;top:14px;
}
.menu-toggle:hover{border-color:var(--accent)}

/* hero */
.page-hero{
  position:relative;
  min-height:62vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(16,19,16,.72),var(--bg) 100%),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(16,19,16,.9) 15%,rgba(16,19,16,.35) 60%,transparent 90%);
}
.hero-content{position:relative;z-index:2;padding:90px 0 110px}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(197,249,79,.12);
  border:1px solid rgba(197,249,79,.35);
  padding:5px 14px;
  border-radius:40px;
  color:var(--accent);
  font-size:.82rem;
  font-weight:600;
  margin-bottom:22px;
  letter-spacing:.02em;
}
.page-hero h1{
  font-size:clamp(34px,5.4vw,62px);
  line-height:1.18;
  font-weight:900;
  max-width:900px;
  margin-bottom:20px;
  letter-spacing:.01em;
}
.page-hero h1 .hl{color:var(--accent)}
.page-hero p{
  font-size:clamp(16px,1.8vw,19px);
  color:var(--txt-sub);
  max-width:700px;
  margin-bottom:32px;
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 24px;
  border-radius:var(--r-sm);
  font-size:1rem;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s;
  line-height:1.2;
}
.btn i{font-size:.9rem}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.28)}
.btn:focus-visible,.nav-link:focus-visible,.logo-brand:focus-visible,.mini-card:focus-visible,.taglink:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;
}
.btn-main{
  background:var(--action);
  color:#2a1408;
}
.btn-main:hover{background:#ff7e50}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--txt);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(197,249,79,.06)}
.scroll-line{
  position:absolute;
  bottom:18px;
  left:50%;
  transform:translateX(-50%);
  color:var(--txt-weak);
  font-size:1.05rem;
  animation:float 1.4s ease-in-out infinite;
  z-index:3;
}
@keyframes float{
  0%,100%{transform:translate(-50%,0)}
  50%{transform:translate(-50%,10px)}
}

/* block */
.block{padding:clamp(56px,7vw,92px) 0}
.block-title-wrap{margin-bottom:38px}
.kicker{
  color:var(--action);
  font-size:.88rem;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:10px;
  text-transform:uppercase;
}
.kicker::before{content:"";width:26px;height:3px;background:var(--accent);border-radius:4px}
.block-title{
  font-size:clamp(25px,3.4vw,39px);
  font-weight:900;
  line-height:1.25;
  margin:10px 0 12px;
}
.block-title .sup{color:var(--accent)}
.block-desc{color:var(--txt-sub);max-width:720px;font-size:1rem}

/* overview cards */
.over-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:44px;
}
.version-card{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012)),var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 26px;
  transition:transform .25s ease,border-color .25s ease,background .25s;
  position:relative;
  overflow:hidden;
}
.version-card::before{
  content:"";
  position:absolute;
  top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--action),var(--accent));
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.version-card:hover{transform:translateY(-5px);border-color:rgba(197,249,79,.45);background:var(--surface-2)}
.version-card:hover::before{transform:scaleX(1)}
.vc-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:rgba(197,249,79,.12);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;
  margin-bottom:18px;
}
.version-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.version-card p{color:var(--txt-sub);font-size:.96rem}
.tag{
  display:inline-block;
  margin:14px 10px 0 0;
  padding:3px 12px;
  background:rgba(255,107,53,.12);
  color:#f7936f;
  border:1px solid rgba(255,107,53,.3);
  border-radius:30px;
  font-size:.76rem;
  font-weight:600;
}
.tag-line{margin-top:14px}

/* split information */
.info-split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:50px;
  align-items:center;
}
.signal-list{display:flex;flex-direction:column;gap:20px}
.signal-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  transition:border .2s;
}
.signal-item:hover{border-color:rgba(197,249,79,.4)}
.signal-item h4{
  display:flex;align-items:center;gap:12px;
  font-size:17px;margin-bottom:6px;
}
.signal-item h4 i{
  color:var(--accent);
  width:30px;height:30px;
  background:rgba(197,249,79,.1);
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:.95rem;
}
.signal-item p{color:var(--txt-sub);font-size:.93rem;padding-left:42px}
.figure-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.figure-card img{width:100%;height:420px;object-fit:cover}
.figure-card .label{
  position:absolute;left:12px;top:12px;
  background:var(--accent);
  color:#1c201c;
  padding:7px 14px;
  border-radius:30px;
  font-size:.8rem;font-weight:800;
}
.figure-card figcaption{
  position:absolute;bottom:0;left:0;right:0;
  padding:50px 18px 16px;
  background:linear-gradient(transparent,rgba(0,0,0,.92));
  color:#fff;font-size:.9rem;
}

/* rail-style places */
.reco-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:40px;
}
.mini-card{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  display:block;
  transition:transform .25s ease,border .25s ease;
}
.mini-card:hover{transform:translateY(-5px);border-color:rgba(197,249,79,.45)}
.mini-card .thumb{overflow:hidden;position:relative;aspect-ratio:16/10}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mini-card:hover .thumb img{transform:scale(1.04)}
.mini-card .badge{
  position:absolute;left:10px;top:10px;
  background:var(--accent);color:#1b2118;
  font-size:.72rem;font-weight:800;
  padding:3px 10px;border-radius:30px;
}
.mini-card .body{padding:18px 18px 20px}
.mini-card .body h3{font-size:1.02rem;line-height:1.5;font-weight:700;margin-bottom:6px}
.mini-card .body p{color:var(--txt-sub);font-size:.9rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-go{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--action);font-weight:700;font-size:.9rem;
  margin-top:10px;
}
.mini-card:hover .mini-go{gap:12px}
.mini-go i{transition:transform .2s}
.mini-card:hover .mini-go i{transform:translateX(4px)}

/* palette split */
.flow-block{
  margin-top:44px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.flow-item{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
  position:relative;
}
.flow-step{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--action);
  color:#162016;
  font-weight:900;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;
  margin-bottom:16px;
}
.flow-item h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.flow-item p{color:var(--txt-sub);font-size:.93rem}
.flow-item .arrow-mark{
  position:absolute;top:27px;right:18px;
  color:var(--txt-weak);
}

/* special attention */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:32px;
}
.notice-cell{
  padding:24px;
  border-radius:var(--r-md);
  background:rgba(255,107,53,.06);
  border:1px solid rgba(255,107,53,.18);
}
.notice-cell i{color:var(--action);font-size:1.35rem;display:block;margin-bottom:10px}
.notice-cell b{display:block;font-size:1rem;margin-bottom:5px}
.notice-cell span{color:var(--txt-sub);font-size:.88rem;line-height:1.7}
.notice-cell.ok{
  background:rgba(197,249,79,.06);
  border-color:rgba(197,249,79,.2);
}
.notice-cell.ok i{color:var(--accent)}

/* faq */
.faq-wrap{
  max-width:900px;
  margin:36px auto 0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 22px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s;
  font-size:1rem;
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-2)}
.faq-item summary .plus{
  font-size:1.4rem;
  color:var(--accent);
  transition:transform .3s;
  flex:0 0 28px;
  text-align:center;
}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-answer{
  padding:0 22px 20px;
  color:var(--txt-sub);
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin-top:0;
}
.faq-answer a{color:var(--accent);border-bottom:1px solid rgba(197,249,79,.4)}
.faq-answer a:hover{border-color:var(--accent)}

/* cta */
.cta-box{
  border-radius:26px;
  position:relative;
  overflow:hidden;
  background:linear-gradient(rgba(22,24,21,.62),rgba(17,20,17,.82)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:clamp(42px,7vw,80px) 24px;
}
.cta-box h2{
  font-size:clamp(24px,3.4vw,36px);
  line-height:1.4;
  margin-bottom:12px;
}
.cta-box h2 strong{color:var(--accent)}
.cta-box p{
  color:var(--txt-sub);
  max-width:560px;
  margin-bottom:26px;
}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}

/* footer */
.footer-site{
  margin-top:70px;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:60px 0 0;
}
.footer-manual{
  display:grid;
  grid-template-columns:1.4fr .9fr 1fr;
  gap:38px;
  margin-bottom:38px;
}
.foot-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.foot-logo .logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--accent);
  color:#132014;
  display:flex;align-items:center;justify-content:center;
}
.foot-logo .logo-text{display:flex;flex-direction:column;line-height:1.2}
.foot-logo strong{font-size:1.05rem}
.foot-logo span span{
  font-size:.7rem;
  color:var(--txt-weak);
  letter-spacing:.12em;
}
.footer-brand p{
  color:var(--txt-sub);
  font-size:.92rem;
  margin-bottom:18px;
}
.social-icons{
  display:flex;
  gap:12px;
}
.social-icons a{
  width:38px;height:38px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--txt-sub);
  background:rgba(255,255,255,.02);
  transition:all .2s;
}
.social-icons a:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}
.footer-menu h4{
  font-size:1rem;
  margin-bottom:16px;
  color:var(--txt);
  display:flex;
  align-items:center;
  gap:8px;
}
.footer-menu h4::before{
  content:"";
  width:4px;height:4px;
  background:var(--accent);
  border-radius:50%;
}
.footer-menu li{
  margin-bottom:8px;
}
.footer-menu a{
  color:var(--txt-sub);
  font-size:.9rem;
  transition:color .2s,padding .2s;
}
.footer-menu a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{
  padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:.82rem;
  color:var(--txt-weak);
}
.copy{color:var(--txt-weak)}
.copy strong{color:var(--txt-sub)}

/* motion hidden nav */
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:10px 4% 22px;
}
.mobile-menu a{
  display:block;
  padding:13px 8px;
  color:var(--txt-sub);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.mobile-menu a.active{color:var(--accent)}
.mobile-menu.open{display:block;position:absolute;top:100%;left:0;right:0;z-index:99}

/* Responsive */
@media(max-width:1024px){
  .over-grid,.reco-grid{grid-template-columns:repeat(2,1fr)}
  .info-split{grid-template-columns:1fr;gap:38px}
  .figure-card img{width:100%;height:340px}
  .footer-manual{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .header-inner{grid-template-columns:auto 1fr auto;min-height:62px}
  .header-nav-left,.header-nav-right{display:none}
  .menu-toggle{display:flex;position:relative;right:auto}
  .logo-brand{justify-content:flex-start}
  .logo-text strong{font-size:15px}
  .footer-manual{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .over-grid,.flow-block,.notice-grid,.reco-grid{grid-template-columns:1fr}
  .page-hero{min-height:70vh}
  .hero-actions .btn{width:100%;justify-content:center}
  .block{padding:56px 0}
  .cta-btns .btn{width:100%}
  .info-split{align-items:flex-start}
}
@media(max-width:520px){
  .container{width:94%}
  .page-hero h1{font-size:32px}
  .header-inner gap:14px;
  .logo-mark{display:none}
  .block-title{font-size:23px}
  .scroll-line{display:none}
}

/* roulang page: category3 */
:root{
  --bg:#101310;
  --surface:#171D19;
  --surface-light:#1F2722;
  --line:#2D3831;
  --txt:#F2F6F0;
  --txt-sub:#A1AAA2;
  --muted:#687269;
  --accent:#C5F94F;
  --action:#FF6B35;
  --danger:#F45B4A;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 20px 44px rgba(0,0,0,.28);
  --container:1280px;
  --transition:.22s ease;
}
*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:"PingFang SC","Microsoft YaHei UI","Noto Sans SC","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color var(--transition), border-color var(--transition), background var(--transition);
}
ul,ol{
  list-style-position:inside;
}
button,input,select,textarea{
  font-family:inherit;
  font-size:inherit;
}
.container{
  width:min(var(--container),100% - 48px);
  margin-inline:auto;
}
.container-narrow{
  width:min(860px,100% - 48px);
  margin-inline:auto;
}
h1,h2,h3{
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
}
h1{
  font-size:clamp(36px,6vw,60px);
}
h2{
  font-size:clamp(28px,4vw,42px);
}
h3{
  font-size:22px;
}
p{
  color:var(--txt-sub);
}
.section-block{
  padding:96px 0;
}
.section-head{
  max-width:760px;
  margin-bottom:48px;
}
.section-head.center{
  margin-inline:auto;
  text-align:center;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:.92rem;
  letter-spacing:.14em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:18px;
}
.section-head .eyebrow::before{
  content:"";
  width:28px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-head.center .eyebrow::after{
  content:"";
  width:16px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-head h2{
  margin-bottom:16px;
}
.section-head p{
  font-size:1.05rem;
  max-width:720px;
}
.section-head.center p{
  margin-inline:auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 28px;
  border-radius:12px;
  border:1px solid transparent;
  font-weight:600;
  font-size:1rem;
  line-height:1.2;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn i{
  font-size:.85em;
}
.btn-action{
  background:var(--action);
  color:#0B0E0C;
  box-shadow:0 14px 30px rgba(255,107,53,.18);
}
.btn-action:hover{
  background:#ff7e50;
  transform:translateY(-2px);
  box-shadow:0 18px 36px rgba(255,107,53,.28);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--txt);
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  border:1px solid var(--action);
  color:var(--action);
}
.btn-outline:hover{
  background:rgba(255,107,53,.12);
  color:#ff9a78;
  transform:translateY(-2px);
}
.btn-sm{
  padding:10px 18px;
  font-size:.92rem;
  border-radius:10px;
}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(16,19,16,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.4;
}
.header-wrap{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:84px;
  padding-top:2px;
}
.header-nav-left,
.header-nav-right{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  color:var(--txt-sub);
  font-size:15px;
  font-weight:500;
  padding:8px 0;
  position:relative;
  white-space:nowrap;
}
.nav-link i{
  margin-right:4px;
  color:var(--accent);
  font-size:.78rem;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transition:width var(--transition);
}
.nav-link:hover{
  color:var(--txt);
}
.nav-link:hover::after,
.nav-link.active::after{
  width:100%;
}
.nav-link.active{
  color:var(--accent);
}
.brand-logo{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
}
.logo-icon{
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--accent),#8fbf2e);
  color:#101310;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  box-shadow:0 8px 22px rgba(197,249,79,.18);
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.logo-text strong{
  font-size:1.34rem;
  font-weight:800;
  color:var(--txt);
  letter-spacing:.01em;
}
.logo-text span{
  font-size:.62rem;
  color:var(--muted);
  letter-spacing:.22em;
  text-transform:uppercase;
  margin-top:4px;
  font-weight:600;
}
.mobile-menu-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--line);
  color:var(--txt);
  width:44px;
  height:44px;
  border-radius:12px;
  font-size:1.2rem;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.mobile-nav{
  display:none;
  position:absolute;
  top:84px;
  right:24px;
  left:24px;
  background:var(--surface-light);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  padding:16px;
  flex-direction:column;
  gap:6px;
}
.mobile-nav a{
  padding:14px 16px;
  border-radius:12px;
  color:var(--txt-sub);
  background:transparent;
  font-size:.98rem;
}
.mobile-nav a i{
  width:22px;
  color:var(--accent);
  margin-right:6px;
}
.mobile-nav a:hover,
.mobile-nav a.active{
  background:rgba(197,249,79,.08);
  color:var(--accent);
}
body.nav-open .mobile-nav{
  display:flex;
}
body.nav-open .mobile-menu-toggle{
  border-color:var(--accent);
  color:var(--accent);
}

/* ===== Page Hero ===== */
.category-hero{
  position:relative;
  min-height:66vh;
  display:flex;
  align-items:flex-end;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  isolation:isolate;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(16,19,16,.96) 0%,rgba(16,19,16,.8) 45%,rgba(16,19,16,.45) 100%);
  z-index:-2;
}
.category-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:120px;
  background:linear-gradient(180deg,transparent,var(--bg));
  z-index:-1;
}
.hero-inner{
  width:min(1080px,100% - 48px);
  margin:0 auto;
  padding:120px 0 96px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.88rem;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{
  color:var(--muted);
  transition:color .2s;
}
.crumb a:hover{
  color:var(--accent);
}
.crumb i{
  font-size:.7rem;
  color:var(--muted);
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:100px;
  background:rgba(197,249,79,.1);
  border:1px solid rgba(197,249,79,.35);
  color:var(--accent);
  font-size:.88rem;
  font-weight:600;
  margin-bottom:24px;
}
.hero-kicker i{
  font-size:.8rem;
}
.category-hero h1{
  font-size:clamp(34px,5.2vw,58px);
  margin-bottom:20px;
  max-width:14em;
  letter-spacing:-.01em;
}
.category-hero h1 .keyword{
  background:linear-gradient(90deg,var(--accent),#efffd1);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}
.hero-lead{
  max-width:620px;
  font-size:1.08rem;
  color:#bfc9c0;
  margin-bottom:30px;
  line-height:1.85;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:24px;
}
.hero-note{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.88rem;
  color:var(--muted);
}
.hero-note i{
  color:var(--accent);
}

/* ===== Quick entry cards ===== */
.quick-section{
  padding:96px 0 56px;
}
.quick-section .section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  max-width:100%;
  gap:30px;
  flex-wrap:wrap;
  margin-bottom:38px;
}
.quick-section .section-head .info_text{
  max-width:420px;
  color:var(--muted);
  font-size:.96rem;
}
.quick-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.quick-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 28px;
  position:relative;
  overflow:hidden;
  transition:transform var(--transition),border-color var(--transition),background var(--transition);
}
.quick-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  height:100%;
  width:3px;
  background:transparent;
}
.quick-card:hover{
  transform:translateY(-4px);
  border-color:rgba(197,249,79,.45);
  background:var(--surface-light);
}
.quick-card:hover::before{
  background:var(--accent);
}
.quick-icon{
  width:52px;
  height:52px;
  border-radius:14px;
  background:rgba(197,249,79,.1);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.3rem;
  margin-bottom:22px;
}
.quick-card h3{
  font-size:1.3rem;
  margin-bottom:12px;
}
.quick-card p{
  font-size:.95rem;
  line-height:1.8;
}
.quick-more{
  margin-top:36px;
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--txt-sub);
  font-size:.95rem;
  transition:color .2s;
  width:fit-content;
}
.quick-more i{
  color:var(--action);
  transition:transform .22s;
}
.quick-card:hover .quick-more{
  color:var(--accent);
}
.quick-card:hover .quick-more i{
  transform:translateX(4px);
}

/* ===== Four Steps ===== */
.tick-section{
  background:linear-gradient(180deg,transparent,rgba(23,29,25,.6) 50%,transparent);
  padding:88px 0;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 22px;
  transition:transform .25s ease,border-color .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:var(--line);
  background:var(--surface-light);
}
.step-no{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-size:.9rem;
  letter-spacing:.06em;
  font-weight:600;
  margin-bottom:12px;
}
.step-no em{
  width:26px;
  height:26px;
  border-radius:8px;
  background:rgba(197,249,79,.1);
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-style:normal;
  font-size:.95rem;
}
.step-card h3{
  font-size:1.2rem;
  margin-bottom:10px;
}
.step-card p{
  font-size:.9rem;
}
.step-line{
  height:1px;
  background:var(--line);
  width:24px;
  align-self:center;
}

/* ===== Split check section ===== */
.split-section{
  padding:96px 0;
}
.split-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:28px;
  padding:0;
  overflow:hidden;
}
.split-media{
  height:100%;
  min-height:380px;
  background:var(--surface-light);
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.split-content{
  padding:48px 40px;
}
.split-content h2{
  font-size:clamp(26px,3.6vw,38px);
  margin-bottom:18px;
}
.split-content .desc{
  margin-bottom:28px;
}
.check-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:30px;
}
.check-list li{
  position:relative;
  padding-left:34px;
  color:var(--txt-sub);
  font-size:.98rem;
}
.check-list li i{
  position:absolute;
  left:0;
  top:3px;
  width:22px;
  height:22px;
  border-radius:50%;
  background:rgba(197,249,79,.12);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.72rem;
}

/* ===== Recommendations ===== */
.rec-section{
  padding:28px 0 96px;
}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rec-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.rec-card:hover{
  transform:translateY(-5px);
  border-color:rgba(197,249,79,.3);
  box-shadow:0 18px 34px rgba(0,0,0,.22);
}
.rec-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.rec-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.rec-card:hover .rec-media img{
  transform:scale(1.04);
}
.rec-badge{
  position:absolute;
  top:16px;
  left:16px;
  background:var(--accent);
  color:#0B0E0C;
  font-size:.78rem;
  padding:5px 12px;
  border-radius:100px;
  font-weight:700;
  letter-spacing:.04em;
}
.rec-content{
  padding:26px 24px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.rec-content h3{
  font-size:1.3rem;
  margin-bottom:10px;
}
.rec-content p{
  font-size:.93rem;
  flex:1;
  margin-bottom:18px;
}
.rec-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-weight:600;
  font-size:.95rem;
}
.rec-link i{
  color:var(--action);
  transition:transform .2s;
}
.rec-card:hover .rec-link i{
  transform:translateX(4px);
}

/* ===== FAQ ===== */
.faq-section{
  padding:96px 0;
  background:linear-gradient(180deg,var(--bg),rgba(23,29,25,.85) 50%,var(--bg));
}
.faq-layout{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:48px;
  align-items:start;
}
.faq-aside{
  position:sticky;
  top:120px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:34px 28px;
}
.faq-aside h2{
  font-size:1.75rem;
  margin-bottom:14px;
}
.faq-aside p{
  margin-bottom:24px;
}
.faq-aside .btn{
  width:100%;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item[open]{
  background:var(--surface-light);
  border-color:rgba(197,249,79,.25);
}
.faq-question{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  cursor:pointer;
  font-size:1.03rem;
  font-weight:600;
  color:var(--txt);
  user-select:none;
}
.faq-question::-webkit-details-marker{
  display:none;
}
.faq-question i{
  color:var(--action);
  transition:transform .3s ease;
  font-size:.86rem;
  min-width:20px;
  text-align:center;
}
.faq-item[open] .faq-question i{
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 22px 22px;
}
.faq-answer p{
  font-size:.95rem;
  line-height:1.8;
  padding-left:18px;
  border-left:2px solid var(--line);
}

/* ===== CTA ===== */
.cta-panel{
  position:relative;
  padding:90px 0;
  overflow:hidden;
}
.cta-inner{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-radius:30px;
  z-index:0;
  padding:70px 56px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:30px;
}
.cta-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(16,19,16,.94),rgba(16,19,16,.72));
  border-radius:30px;
  z-index:-1;
}
.cta-copy{
  max-width:640px;
}
.cta-copy h2{
  font-size:clamp(26px,4vw,42px);
  margin-bottom:14px;
}
.cta-copy p{
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.cta-actions a:first-child{
  margin-bottom:6px;
}

/* ===== Footer ===== */
.footer-site{
  background:var(--surface);
  border-top:1px solid var(--line);
  padding-top:72px;
  margin-top:0;
}
.footer-site .footer-manual{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand .foot-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer-brand .logo-mark{
  width:42px;
  height:42px;
  background:rgba(197,249,79,.1);
  border-radius:12px;
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
}
.footer-brand .logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.footer-brand .logo-text strong{
  font-size:1.24rem;
  color:var(--txt);
}
.footer-brand .logo-text span{
  font-size:.66rem;
  letter-spacing:.18em;
  color:var(--muted);
  margin-top:5px;
}
.footer-brand p{
  max-width:380px;
  font-size:.93rem;
  line-height:1.85;
  color:var(--txt-sub);
}
.social-icons{
  display:flex;
  gap:12px;
  margin-top:20px;
}
.social-icons a{
  width:38px;
  height:38px;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--txt-sub);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.88rem;
  transition:color .2s,border-color .2s,transform .2s;
}
.social-icons a:hover{
  color:var(--accent);
  border-color:var(--accent);
  transform:translateY(-2px);
}
.footer-menu h4{
  font-size:1.05rem;
  margin-bottom:20px;
  color:var(--txt);
}
.footer-menu ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-menu li a{
  color:var(--txt-sub);
  font-size:.94rem;
}
.footer-menu li a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.86rem;
  color:var(--muted);
}

/* ===== Responsive ===== */
@media (max-width:1150px){
  .header-nav-left,
  .header-nav-right{
    gap:20px;
  }
  .nav-link{
    font-size:14px;
  }
}
@media (max-width:1023px){
  .header-wrap{
    justify-content:space-between;
    padding-top:0;
  }
  .brand-logo{
    position:relative;
    transform:none;
    left:auto;
    top:auto;
  }
  .header-nav-left,
  .header-nav-right{
    display:none;
  }
  .mobile-menu-toggle{
    display:inline-flex;
    order:3;
  }
  .header-nav-left{
    order:1;
  }
  .header-wrap{
    display:flex;
    gap:12px;
  }
  .mobile-nav{
    display:none;
  }
  body.nav-open .mobile-nav{
    display:flex;
  }
  .quick-grid{
    grid-template-columns:1fr 1fr;
  }
  .steps-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .split-card{
    grid-template-columns:1fr;
  }
  .split-media{
    min-height:260px;
    max-height:360px;
  }
  .split-content{
    padding:32px 24px;
  }
  .rec-grid{
    grid-template-columns:1fr 1fr;
  }
  .faq-layout{
    grid-template-columns:1fr;
  }
  .faq-aside{
    position:relative;
    top:0;
  }
  .cta-inner{
    padding:46px 28px;
    flex-direction:column;
  }
  .cta-actions{
    flex-direction:row;
    margin-top:10px;
  }
  .footer-site .footer-manual{
    grid-template-columns:1fr 1fr;
  }
  .footer-brand{
    grid-column:1/-1;
  }
  .category-hero{
    min-height:60vh;
  }
}
@media (max-width:768px){
  .section-block{
    padding:56px 0;
  }
  .quick-section{
    padding:56px 0 24px;
  }
  .quick-grid{
    grid-template-columns:1fr;
  }
  .hero-inner{
    padding:88px 0 72px;
  }
  .fake-side{
    display:none;
  }
  .category-hero .brand-logo{
    position:relative;
  }
  .steps-grid{
    grid-template-columns:1fr;
  }
  .rec-grid{
    grid-template-columns:1fr;
  }
  .footer-site .footer-manual{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
  }
  .footer-brand p{
    max-width:100%;
  }
}
@media (max-width:520px){
  .container{
    width:calc(100% - 36px);
    margin-inline:auto;
  }
  .hero-inner{
    width:calc(100% - 36px);
    padding:66px 0 56px;
  }
  .cta-inner{
    padding:40px 24px;
  }
  .category-hero h1{
    font-size:2.1rem;
  }
  .split-content{
    padding:26px 20px;
  }
  .split-media{
    min-height:210px;
  }
  .rec-content{
    padding:22px 18px;
  }
  .cta-actions{
    flex-direction:column;
    width:100%;
  }
  .cta-actions .btn{
    width:100%;
  }
  .quick-card{
    padding:24px 18px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .footer-site{
    padding-top:50px;
  }
}