/* roulang page: index */
:root{
  --ink:#23201D;
  --ink-soft:#3A342E;
  --gold:#B99A68;
  --gold-light:#D9C39D;
  --ivory:#F8F5F1;
  --white:#FFFFFF;
  --alt:#F2EDE7;
  --text:#3B3634;
  --muted:#8C8581;
  --line:#E7DFD6;
  --success:#6E7F64;
  --error:#B4554D;
  --radius:3px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue","Arial",sans-serif;
  --container:1260px;
  --shadow-sm:0 2px 10px rgba(35,32,29,.06);
  --shadow-md:0 14px 36px rgba(35,32,29,.10);
  --ease:cubic-bezier(.25,.46,.45,.94);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);background:var(--ivory);color:var(--text);line-height:1.72;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section{padding:88px 0}
.section-head{max-width:680px;margin:0 auto 48px;text-align:center}
.section-kicker{font-size:13px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;font-weight:500;display:flex;align-items:center;justify-content:center;gap:16px}
.section-kicker::before,.section-kicker::after{content:"";width:26px;height:1px;background:var(--gold);opacity:.5}
.section-title{font-family:var(--font-serif);font-size:32px;line-height:1.3;color:var(--ink);margin-top:8px;letter-spacing:.03em}
.section-desc{color:var(--muted);font-size:16px;margin-top:12px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--ink);border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.text-link .arr{transition:transform .22s}
.text-link:hover{color:var(--gold);border-bottom-color:var(--gold)}
.text-link:hover .arr{transform:translateX(4px)}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 30px;border-radius:var(--radius);font-size:15px;font-weight:500;letter-spacing:.02em;transition:all .22s var(--ease);white-space:nowrap}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--ink);color:var(--ivory);border:1px solid var(--ink)}
.btn-primary:hover{background:var(--ink-soft);border-color:var(--gold);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-gold{background:var(--gold);color:#fff;border:1px solid var(--gold)}
.btn-gold:hover{background:#a8884d;border-color:#a8884d;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost-light{background:rgba(248,245,241,0.04);color:var(--ivory);border:1px solid rgba(248,245,241,.5)}
.btn-ghost-light:hover{background:rgba(185,154,104,.22);border-color:var(--gold);color:#fff}
.btn-ghost-dark{background:transparent;color:var(--ink);border:1px solid rgba(35,32,29,.38)}
.btn-ghost-dark:hover{border-color:var(--gold);background:rgba(185,154,104,.12);color:var(--ink)}
.btn-line-light{background:transparent;color:rgba(248,245,241,.85);border:1px solid rgba(248,245,241,.35)}
.btn-line-light:hover{border-color:var(--gold);color:#fff;background:rgba(185,154,104,.12)}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(248,245,241,.88);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,223,214,.85);transition:background .25s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:baseline;gap:6px;font-family:var(--font-serif);font-size:24px;font-weight:600;color:var(--ink)}
.brand .mk{font-size:27px;letter-spacing:.06em;color:var(--ink)}
.brand .zh{font-size:19px;letter-spacing:.08em}
.desktop-nav ul{display:flex;align-items:center;gap:6px}
.desktop-nav a{position:relative;display:block;padding:10px 16px;font-size:15px;color:var(--text);font-weight:500;transition:color .2s}
.desktop-nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:1.5px;background:var(--gold);transform:scaleX(0);transform-origin:left center;transition:transform .25s var(--ease)}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--ink)}
.desktop-nav a:hover::after,.desktop-nav a.active::after{transform:scaleX(1)}

/* ===== Mobile Bottom Tab ===== */
.mobile-tabbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:120;height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(35,32,29,.06)}
.mobile-tabbar .tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:11px;letter-spacing:.02em;transition:color .2s;min-height:44px}
.mobile-tabbar .tab-item svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.7;fill:none}
.mobile-tabbar .tab-item.active{color:var(--ink)}
.mobile-tabbar .tab-item.active svg{stroke:var(--gold)}
.mobile-tabbar .tab-item.active span{font-weight:600;color:var(--ink)}

/* ===== Hero ===== */
.hero{position:relative;display:flex;align-items:center;min-height:calc(100vh - 68px);padding:130px 0 110px;text-align:center;background:url('/assets/images/backpic/back-1.webp') center 26%/cover no-repeat #23201D}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(185deg,rgba(35,32,29,.52) 0%,rgba(35,32,29,.16) 40%,rgba(35,32,29,.72) 100%)}
.hero-content{position:relative;z-index:2;width:100%;max-width:880px;margin:0 auto}
.hero-kicker{display:inline-flex;align-items:center;gap:14px;color:var(--gold-light);font-size:14px;letter-spacing:.14em;margin-bottom:26px}
.hero-kicker::before,.hero-kicker::after{content:"";height:1px;width:42px;background:rgba(185,154,104,.5)}
.hero h1{font-family:var(--font-serif);font-size:clamp(38px,6vw,60px);line-height:1.22;color:#fff;font-weight:600;letter-spacing:.05em;margin-bottom:20px;text-shadow:0 4px 34px rgba(0,0,0,.35)}
.hero-subtext{font-size:clamp(16px,1.8vw,19px);color:rgba(248,245,241,.92);line-height:1.8;max-width:620px;margin:0 auto 38px;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== Popular Grid ===== */
.hot-section{background:var(--ivory)}
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s var(--ease),transform .3s var(--ease);min-height:100%}
.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.product-media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--alt)}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.product-card:hover .product-media img{transform:scale(1.04)}
.product-rank{position:absolute;top:14px;left:14px;z-index:2;width:38px;height:38px;background:rgba(248,245,241,.95);border:1px solid rgba(185,154,104,.5);color:var(--ink);font-family:var(--font-serif);font-size:15px;display:flex;align-items:center;justify-content:center;letter-spacing:.02em;box-shadow:0 2px 10px rgba(35,32,29,.10)}
.product-info{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.product-info h3{font-family:var(--font-serif);font-size:18px;color:var(--ink);margin-bottom:5px;letter-spacing:.03em}
.product-info p{color:var(--muted);font-size:14px;line-height:1.65;margin-bottom:15px;flex:1}
.product-info .text-link{font-size:14px;color:var(--ink)}
.product-info .text-link .arr{display:inline-block}

/* ===== Review carousel ===== */
.review-section{background:linear-gradient(160deg,rgba(35,32,29,.97) 0%,rgba(46,40,34,.94) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat #23201D;color:var(--ivory);overflow:hidden}
.review-section .section-title{color:var(--ivory)}
.review-section .section-desc{color:rgba(248,245,241,.68)}
.review-shell{position:relative;max-width:1180px;margin:0 auto}
.review-viewport{overflow:hidden;margin:0 46px}
.review-track{display:flex;gap:22px;transition:transform .25s;overflow-x:auto;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;padding:4px 2px 14px}
.review-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 360px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:30px 28px;scroll-snap-align:start;backdrop-filter:blur(4px)}
.review-card .quote{font-size:16px;line-height:1.8;color:rgba(248,245,241,.94);min-height:86px;display:flex;align-items:center}
.stars{display:flex;gap:3px;margin-bottom:14px}
.stars svg{width:15px;height:15px;fill:var(--gold);stroke:none}
.review-meta{display:flex;align-items:center;gap:8px;margin-top:16px;color:var(--gold-light);font-size:13px}
.review-meta::before{content:"";width:18px;height:1px;background:var(--gold);opacity:.5}
.review-arrows{position:absolute;top:50%;left:0;right:0;display:flex;justify-content:space-between;transform:translateY(-50%);pointer-events:none;z-index:3}
.review-arrows button{pointer-events:auto;width:38px;height:38px;border:1px solid rgba(185,154,104,.5);border-radius:50%;background:rgba(35,32,29,.55);color:var(--gold-light);display:flex;align-items:center;justify-content:center;opacity:.8;transition:opacity .2s,background .2s}
.review-arrows button:hover{opacity:1;background:var(--gold);color:#23201D}
.review-arrows svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8}

/* ===== Assurance bar ===== */
.assurance-bar{background:var(--alt);padding:34px 0}
.assurance-list{display:flex;align-items:center;justify-content:space-between;gap:26px}
.assurance-item{flex:1;display:flex;align-items:center;gap:14px;padding:10px 6px;justify-content:center;position:relative}
.assurance-item+.assurance-item::before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:1px;background:var(--line)}
.assurance-icon{width:44px;height:44px;flex:none;display:flex;align-items:center;justify-content:center;border:1px solid var(--gold);border-radius:50%;background:var(--white)}
.assurance-icon svg{width:20px;height:20px;fill:none;stroke:var(--gold);stroke-width:1.6}
.assurance-text strong{display:block;font-size:15px;color:var(--ink);font-weight:600;letter-spacing:.03em}
.assurance-text span{display:block;font-size:13px;color:var(--muted);margin-top:1px}

/* ===== Channel nav ===== */
.channel-section{background:var(--white)}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channel-item{position:relative;padding:34px 30px 36px;display:block;transition:background .25s;border-left:1px solid var(--line)}
.channel-item:first-child{border-left:none}
.channel-item:hover{background:var(--alt)}
.channel-num{font-family:var(--font-serif);font-size:14px;color:var(--gold);letter-spacing:.12em;display:block;margin-bottom:12px}
.channel-item h3{font-family:var(--font-serif);font-size:21px;color:var(--ink);margin-bottom:8px;font-weight:600}
.channel-item p{color:var(--muted);font-size:14px;line-height:1.65;margin-bottom:16px;max-width:230px}
.channel-item .text-link{font-size:14px}
.channel-item .arrow-circle{position:absolute;right:24px;top:38px;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s}
.channel-item .arrow-circle svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .3s}
.channel-item:hover .arrow-circle{border-color:var(--gold)}
.channel-item:hover .arrow-circle svg{transform:rotate(90deg)}
.channel-item:hover .text-link{color:var(--gold)}

/* ===== News ===== */
.news-section{background:var(--ivory)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px 26px 24px;display:flex;flex-direction:column;transition:border-color .25s,box-shadow .25s var(--ease)}
.news-card:hover{border-color:rgba(185,154,104,.45);box-shadow:var(--shadow-md)}
.news-tag{display:inline-flex;align-self:flex-start;font-size:12px;line-height:1;padding:5px 10px;border:1px solid rgba(185,154,104,.5);color:var(--gold);letter-spacing:.06em;background:rgba(185,154,104,.07);border-radius:100px;margin-bottom:15px}
.news-card h3{font-family:var(--font-serif);font-size:18px;line-height:1.5;color:var(--ink);font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px;min-height:54px}
.news-card p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;margin-bottom:18px}
.news-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--alt);padding-top:16px;margin-top:auto;font-size:13px;color:var(--muted)}
.news-meta time{color:var(--muted)}
.news-meta .readmore{display:inline-flex;align-items:center;gap:5px;color:var(--ink);font-size:13px;transition:color .2s}
.news-meta .readmore:hover{color:var(--gold)}
.empty-state{grid-column:1/-1;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:60px 24px;text-align:center;background:var(--alt);border:1px dashed var(--line);border-radius:var(--radius)}
.empty-state svg{width:42px;height:42px;fill:none;stroke:var(--muted);stroke-width:1.4;opacity:.6}
.empty-state p{color:var(--muted);font-size:15px;margin-top:14px}

/* ===== CTA ===== */
.cta-area{background:var(--white);padding:0 0 88px}
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:36px;background:var(--ink);border-radius:var(--radius);padding:50px 60px;position:relative;overflow:hidden}
.cta-strip::after{content:"";position:absolute;right:-60px;top:-70px;width:250px;height:250px;border:1px solid rgba(185,154,104,.25);border-radius:50%}
.cta-strip h2{font-family:var(--font-serif);font-size:26px;color:#fff;font-weight:600;letter-spacing:.04em}
.cta-strip p{color:rgba(248,245,241,.65);font-size:15px;margin-top:6px}
.cta-strip .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:rgba(248,245,241,.65);padding:66px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1fr;gap:44px}
.footer-brand{max-width:295px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand .mk{color:#fff}
.footer-brand .brand .zh{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;letter-spacing:.05em;font-family:var(--font-serif)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(248,245,241,.62);transition:color .2s}
.footer-col ul a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:52px;font-size:13px;color:rgba(248,245,241,.5)}
.footer-bottom .footer-brand-mini{color:rgba(248,245,241,.5)}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .section{padding:70px 0}
  .hot-grid{gap:18px}
  .channel-grid{grid-template-columns:repeat(2,1fr);border:none;border-top:1px solid var(--line)}
  .channel-item{border-top:none;border-bottom:1px solid var(--line);border-left:none}
  .channel-item:nth-child(odd){border-right:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .review-card{flex-basis:310px}
  .footer-brand{max-width:none}
}
@media (min-width:768px){
  .mobile-tabbar{display:none}
}
@media (max-width:767px){
  .desktop-nav{display:none}
  .mobile-tabbar{display:flex}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}
  .site-header{height:auto}
  .header-inner{height:60px}
  .brand .mk{font-size:23px}
  .brand .zh{font-size:17px}
  .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .section-title{font-size:25px}
  .hero{min-height:calc(100vh - 60px);padding:90px 0 70px}
  .hero-actions{flex-direction:column;align-items:center;width:100%}
  .hero-actions .btn{width:100%;max-width:340px}
  .hot-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .product-info{padding:15px 14px 16px}
  .product-info h3{font-size:15px}
  .product-info p{font-size:13px;line-height:1.55;margin-bottom:10px}
  .product-rank{width:31px;height:31px;font-size:13px;top:10px;left:10px}
  .review-viewport{margin:0 0 0 0}
  .review-track{gap:14px}
  .review-card{flex-basis:84%;padding:24px 20px;scroll-snap-align:center}
  .review-card .quote{min-height:0;font-size:15px}
  .review-arrows{display:none}
  .assurance-list{flex-wrap:wrap;gap:8px}
  .assurance-item{flex:1 1 45%;padding:6px 4px}
  .assurance-item+.assurance-item::before{display:none}
  .assurance-list{gap:6px}
  .channel-grid{grid-template-columns:1fr}
  .channel-item{border-right:none;padding:24px 22px}
  .channel-item .arrow-circle{top:22px;right:18px}
  .news-grid{grid-template-columns:1fr;gap:14px}
  .news-card{padding:22px 20px}
  .news-card h3{min-height:0}
  .news-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-area{padding-bottom:56px}
  .cta-strip{flex-direction:column;align-items:flex-start;gap:26px;padding:38px 28px}
  .cta-strip .cta-actions{width:100%}
  .cta-strip .cta-actions .btn{flex:1;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:8px}
  .footer-bottom{flex-direction:column;gap:12px;align-items:flex-start;margin-top:32px}
}

/* roulang page: category1 */
:root{
  --color-ink:#23201D;
  --color-coal:#3B3634;
  --color-text:#3B3634;
  --color-gold:#B99A68;
  --color-gold-light:#D5B98C;
  --color-bg:#F8F5F1;
  --color-card:#FFFFFF;
  --color-alt:#F2EDE7;
  --color-line:#E7DFD6;
  --color-weak:#8C8581;
  --color-error:#B4554D;
  --color-success:#6E7F64;
  --color-white:#FFFFFF;
  --radius-sm:4px;
  --radius-tag:22px;
  --shadow-hover:0 18px 40px rgba(35,32,29,.10);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --container:1280px;
  --nav-height:76px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--color-bg);
  color:var(--color-text);
  font-family:var(--font-sans);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:84px 0}
.section-bg-alt{background:var(--color-alt)}
.section-head{
  max-width:760px;
  margin-bottom:46px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--color-gold);
  font-weight:600;
  margin-bottom:14px;
}
.kicker::before{
  content:"";
  width:26px;
  height:1px;
  background:currentColor;
  display:inline-block;
}
.section-title{
  font-family:var(--font-serif);
  font-size:30px;
  line-height:1.35;
  color:var(--color-ink);
  font-weight:600;
  letter-spacing:.02em;
}
.section-desc{
  margin-top:14px;
  color:var(--color-weak);
  font-size:15px;
  max-width:680px;
}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}

.disclaimer{
  font-size:13px;
  color:var(--color-weak);
  background:var(--color-alt);
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  margin-top:24px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 26px;
  background:var(--color-ink);
  color:#F8F5F1;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .25s ease}
.btn:hover i{transform:translateX(4px)}
.btn-gold{
  background:var(--color-gold);
  color:#fff;
}
.btn-gold:hover{
  background:#A98556;
  color:#fff;
}
.btn-outline-light{
  background:transparent;
  color:#F8F5F1;
  border-color:rgba(255,255,255,.65);
}
.btn-outline-light:hover{
  border-color:var(--color-gold-light);
  background:rgba(185,154,104,.15);
  color:#fff;
}
.btn-dark-outline{
  background:transparent;
  color:var(--color-ink);
  border:1px solid var(--color-ink);
}
.btn-dark-outline:hover{
  background:var(--color-ink);
  color:#fff;
}
.btn-light{
  background:#F8F5F1;
  color:var(--color-ink);
}
.btn-light:hover{
  background:var(--color-gold-light);
  color:var(--color-ink);
}
.btn:focus-visible{
  outline:2px solid var(--color-gold);
  outline-offset:3px;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(248,245,241,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(231,223,214,.9);
}
.header-inner{
  height:var(--nav-height);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  flex-shrink:0;
}
.brand .mk{
  font-family:var(--font-serif);
  font-size:25px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--color-ink);
}
.brand .zh{
  font-family:var(--font-serif);
  font-size:15px;
  color:var(--color-ink);
  letter-spacing:.1em;
  font-weight:600;
}
.desktop-nav ul{
  display:flex;
  align-items:center;
  gap:14px;
}
.desktop-nav ul li a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:14px;
  color:var(--color-coal);
  letter-spacing:.04em;
  transition:color .2s;
}
.desktop-nav ul li a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  background:var(--color-gold);
  width:0;
  transition:width .25s ease;
}
.desktop-nav ul li a:hover{color:var(--color-ink)}
.desktop-nav ul li a:hover::after,
.desktop-nav ul li a.active::after{
  width:20px;
}
.desktop-nav ul li a.active{
  color:var(--color-ink);
  font-weight:600;
}
.header-more{
  font-size:14px;
  color:var(--color-weak);
  border-left:1px solid var(--color-line);
  padding-left:20px;
  margin-left:6px;
}
.header-more a{
  color:var(--color-gold);
  font-weight:600;
}

/* Mobile bottom tab */
.mobile-tabbar{
  display:none;
}
body{
  padding-bottom:0;
}

/* Hero */
.entry-hero{
  position:relative;
  color:#fff;
  background:
    linear-gradient(100deg, rgba(35,32,29,.24) 0%, rgba(35,32,29,.72) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  isolation:isolate;
}
.entry-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(35,32,29,.12) 0%, rgba(35,32,29,.15) 38%, rgba(35,32,29,.72) 100%);
  z-index:-1;
}
.hero-inner{
  min-height:68vh;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding-top:80px;
  padding-bottom:64px;
}
.hero-crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.72);
  margin-bottom:28px;
}
.hero-crumb a{color:rgba(255,255,255,.72)}
.hero-crumb a:hover{color:var(--color-gold-light)}
.hero-crumb .sep{opacity:.5}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  letter-spacing:.32em;
  color:var(--color-gold-light);
  margin-bottom:14px;
  text-transform:uppercase;
}
.hero-kicker::before{
  content:"";
  width:34px;
  height:2px;
  background:var(--color-gold);
}
.hero-title{
  max-width:680px;
  font-family:var(--font-serif);
  font-size:44px;
  line-height:1.3;
  font-weight:700;
  color:#fff;
  letter-spacing:.03em;
  margin-bottom:18px;
}
.hero-sub{
  max-width:560px;
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.85);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}

/* Overview section */
.about-section{
  background:var(--color-bg);
}
.guide-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:70px;
  align-items:start;
}
.guide-copy p{
  color:var(--color-text);
  font-size:15px;
  line-height:1.9;
  margin-bottom:20px;
}
.guide-copy h2{
  font-family:var(--font-serif);
  color:var(--color-ink);
  font-size:28px;
  line-height:1.45;
  margin-bottom:20px;
}
.quick-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--color-coal);
  background:var(--color-card);
  border:1px solid var(--color-line);
  padding:6px 14px;
  border-radius:var(--radius-tag);
}
.guide-art{
  margin-top:34px;
  position:relative;
  overflow:hidden;
  border-radius:5px;
  border:1px solid var(--color-line);
  background:var(--color-card);
}
.guide-art img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.art-caption{
  font-size:13px;
  color:var(--color-weak);
  padding:12px 16px;
  border-top:1px solid var(--color-line);
}

/* Entry list right */
.entry-panel{
  background:var(--color-card);
  border:1px solid var(--color-line);
  border-radius:5px;
  padding:20px 20px 8px;
}
.panel-title{
  font-size:18px;
  font-family:var(--font-serif);
  font-weight:600;
  color:var(--color-ink);
  padding:10px 12px 18px;
  border-bottom:1px solid var(--color-line);
  display:flex;
  align-items:center;
  gap:12px;
}
.panel-title i{
  color:var(--color-gold);
  font-size:16px;
}
.entry-items{
  display:flex;
  flex-direction:column;
}
.entry-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 10px;
  border-bottom:1px solid var(--color-line);
  transition:background .25s ease;
}
.entry-item:last-child{
  border-bottom:none;
}
.entry-item:hover{
  background:rgba(242,237,231,.5);
}
.entry-no{
  font-family:var(--font-serif);
  font-size:18px;
  color:var(--color-gold);
  width:38px;
  flex-shrink:0;
  text-align:center;
}
.entry-info{
  flex:1;
}
.entry-info h3{
  font-size:16px;
  font-weight:600;
  color:var(--color-ink);
  letter-spacing:.03em;
  margin-bottom:4px;
}
.entry-info p{
  font-size:14px;
  color:var(--color-weak);
  line-height:1.7;
}
.entry-meta{
  display:block;
  margin-top:8px;
  font-size:12px;
  color:#A89C90;
  letter-spacing:.08em;
}
.entry-link-btn{
  width:38px;
  height:38px;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--color-line);
  border-radius:50%;
  color:var(--color-gold);
  transition:all .25s ease;
}
.entry-item:hover .entry-link-btn{
  border-color:var(--color-gold);
  background:var(--color-gold);
  color:#fff;
}

/* Scene section */
.scene-section{
  background:var(--color-alt);
  border-top:1px solid var(--color-line);
  border-bottom:1px solid var(--color-line);
}
.steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
  counter-reset:step;
}
.steps::before{
  content:"";
  position:absolute;
  left:12.5%;
  right:12.5%;
  top:38px;
  height:1px;
  background:linear-gradient(90deg, transparent, var(--color-gold) 14%, var(--color-gold) 86%, transparent);
}
.step-item{
  position:relative;
  text-align:center;
  padding:0 20px;
  z-index:1;
}
.step-icon{
  width:76px;
  height:76px;
  margin:0 auto 22px;
  border-radius:50%;
  background:var(--color-bg);
  border:1px solid var(--color-gold);
  color:var(--color-gold);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:700;
  box-shadow:0 0 0 8px rgba(185,154,104,.12);
}
.step-title{
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:600;
  color:var(--color-ink);
  margin-bottom:10px;
}
.step-desc{
  color:var(--color-weak);
  font-size:14px;
  line-height:1.8;
  max-width:280px;
  margin:0 auto;
}

/* FAQ */
.faq-section{
  background:var(--color-bg);
}
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--color-line);
  background:transparent;
}
.faq-item + .faq-item{
  border-top:none;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:28px 0;
  font-size:16px;
  font-weight:600;
  color:var(--color-ink);
  letter-spacing:.03em;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{
  color:var(--color-gold);
}
.faq-icon{
  width:28px;
  height:28px;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--color-line);
  border-radius:50%;
  font-size:13px;
  color:var(--color-gold);
  transition:transform .3s ease, background .3s ease, border-color .3s ease;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(45deg);
  background:var(--color-gold);
  color:#fff;
  border-color:var(--color-gold);
}
.faq-body{
  padding:0 40px 28px 0;
  color:var(--color-weak);
  font-size:15px;
  line-height:1.85;
}
.faq-body p{
  margin-bottom:10px;
}

/* CTA */
.cta-band{
  position:relative;
  color:#fff;
  background:
    linear-gradient(90deg, rgba(35,32,29,.82) 0%, rgba(35,32,29,.55) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner{
  padding:76px 24px;
  text-align:center;
}
.cta-inner h2{
  font-family:var(--font-serif);
  font-size:30px;
  font-weight:600;
  color:#fff;
  letter-spacing:.04em;
}
.cta-inner p{
  margin:12px auto 0;
  max-width:500px;
  color:rgba(255,255,255,.78);
  font-size:15px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:32px;
}

/* Footer */
.site-footer{
  background:var(--color-ink);
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(260px,1.7fr) 1fr 1fr 1.25fr;
  gap:48px;
  padding:64px 0 40px;
}
.footer-brand .brand .mk,
.footer-brand .brand .zh{
  color:#fff;
}
.footer-brand p{
  color:rgba(255,255,255,.62);
  font-size:14px;
  line-height:1.9;
  margin-top:20px;
  max-width:360px;
}
.footer-col h4{
  color:#fff;
  font-family:var(--font-serif);
  font-size:16px;
  letter-spacing:.08em;
  margin-bottom:20px;
  font-weight:600;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  color:rgba(255,255,255,.66);
  position:relative;
  transition:color .2s, padding .2s;
}
.footer-col ul li a:hover{
  color:var(--color-gold-light);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:rgba(255,255,255,.46);
  font-size:13px;
}

/* Focus */
a:focus-visible{
  outline:2px solid var(--color-gold);
  outline-offset:3px;
  border-radius:2px;
}

/* Responsive */
@media (min-width:768px){
  .mobile-tabbar{
    display:none !important;
  }
}
@media (max-width:1200px){
  .desktop-nav ul li a{
    padding:10px 8px;
  }
  .guide-grid{
    gap:46px;
  }
}
@media (max-width:1024px){
  .section{padding:68px 0}
  .guide-grid{
    grid-template-columns:1fr;
    gap:40px;
  }
  .guide-art{
    max-width:600px;
  }
  .hero-title{
    font-size:36px;
  }
}
@media (max-width:767px){
  :root{
    --nav-height:64px;
  }
  body{
    padding-bottom:64px;
  }
  .header-inner{
    justify-content:flex-start;
  }
  .desktop-nav{
    display:none;
  }
  .header-more{
    margin-left:auto;
    display:block;
  }
  .mobile-tabbar{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:60;
    background:#fff;
    border-top:1px solid var(--color-line);
    height:60px;
    box-shadow:0 -4px 18px rgba(35,32,29,.08);
  }
  .mobile-tab{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:11px;
    color:var(--color-weak);
    text-align:center;
    transition:color .2s;
  }
  .mobile-tab i{
    font-size:17px;
    line-height:1;
  }
  .mobile-tab.active,
  .mobile-tab:hover{
    color:var(--color-ink);
  }
  .mobile-tab.active i{
    color:var(--color-gold);
  }
  .section{padding:54px 0}
  .hero-inner{
    min-height:62vh;
    padding-top:50px;
  }
  .hero-title{
    font-size:30px;
  }
  .hero-sub{
    font-size:15px;
  }
  .section-title{
    font-size:24px;
  }
  .guide-copy h2{
    font-size:22px;
  }
  .steps{
    grid-template-columns:1fr;
    gap:46px;
  }
  .steps::before{
    display:none;
  }
  .entry-panel{
    padding:16px;
  }
  .cta-inner{
    padding:58px 20px;
    text-align:left;
  }
  .cta-actions{
    justify-content:flex-start;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
    padding:48px 0 30px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width:520px){
  .container{
    padding-left:18px;
    padding-right:18px;
  }
  .hero-title{
    font-size:26px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .kicker{
    letter-spacing:.2em;
  }
  .entry-item{
    flex-wrap:wrap;
  }
  .entry-no{
    width:30px;
  }
  .entry-info{
    min-width:calc(100% - 70px);
  }
  .faq-item summary{
    font-size:15px;
  }
  .faq-body{
    padding-right:16px;
  }
}

/* roulang page: article */
:root {
    --ink: #23201D;
    --gold: #B99A68;
    --gold-soft: #d8c3a0;
    --cream: #F8F5F1;
    --paper: #F2EDE7;
    --white: #FFFFFF;
    --text: #3B3634;
    --muted: #8C8581;
    --line: #E7DFD6;
    --error: #B4554D;
    --success: #6E7F64;
    --radius: 4px;
    --radius-sm: 2px;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --shadow-soft: 0 14px 40px rgba(35, 32, 29, .08);
    --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--cream);
    -webkit-font-smoothing: antialiased;
}
body.page-article { padding-bottom: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
a { color: var(--ink); text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease; }
img { max-width: 100%; height: auto; display: block; border: 0; }
input, textarea, button { font-family: inherit; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 28px;
    padding-right: 28px;
}

.site-header {
    position: relative;
    top: 0;
    left: 0;
    z-index: 80;
    width: 100%;
    background: rgba(248, 245, 241, .92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 3px;
    letter-spacing: 1px;
    line-height: 1.2;
}
.brand .mk {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -1px;
}
.brand .zh {
    font-family: var(--font-serif);
    font-size: 19px;
    color: var(--ink);
    font-weight: 600;
}
.desktop-nav ul {
    display: flex;
    align-items: center;
    gap: 34px;
}
.desktop-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--ink);
    font-size: 15px;
    position: relative;
    white-space: nowrap;
}
.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 6px;
    height: 2px;
    background: var(--gold);
    transition: right .3s ease;
}
.desktop-nav a:hover::after,
.desktop-nav a.active::after {
    right: 0;
}
.desktop-nav a:hover,
.desktop-nav a.active {
    color: var(--ink);
}
.bottom-tabs {
    display: none;
}

.site-main {
    min-height: 60vh;
}

.article-wrap {
    padding: 64px 24px 20px;
}
.article-inner {
    max-width: 940px;
    margin: 0 auto;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 22px;
}
.breadcrumb a {
    color: var(--muted);
    transition: color .2s ease;
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb i {
    font-style: normal;
    color: var(--gold);
}
.breadcrumb .current {
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 480px;
}

.article-header-block {
    position: relative;
    border-bottom: 1px solid var(--line);
    padding-bottom: 34px;
    margin-bottom: 42px;
}
.article-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid var(--gold);
    color: #8a6d45;
    font-size: 13px;
    letter-spacing: 2px;
    line-height: 1;
    padding: 7px 12px;
    margin-bottom: 20px;
    border-radius: var(--radius-sm);
}
.article-header-block h1 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.32;
    color: var(--ink);
    letter-spacing: 1px;
    margin: 0 0 18px;
    max-width: 860px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    color: var(--muted);
    font-size: 14px;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta .dot {
    color: var(--gold);
}

.article-content {
    max-width: 780px;
    margin: 0 auto;
    font-size: 16.5px;
    line-height: 1.85;
    color: #332e29;
}
.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote {
    margin: 0 0 26px;
}
.article-content p { text-align: justify; }
.article-content h2 {
    font-family: var(--font-serif);
    font-size: 25px;
    line-height: 1.45;
    color: var(--ink);
    margin: 54px 0 18px;
    letter-spacing: .5px;
}
.article-content h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.5;
    color: var(--ink);
    margin: 38px 0 14px;
}
.article-content ul,
.article-content ol {
    padding-left: 22px;
}
.article-content ul li {
    list-style: disc;
}
.article-content ol li {
    list-style: decimal;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content blockquote {
    border-left: 3px solid var(--gold);
    padding: 6px 0 6px 22px;
    color: #6f675f;
    background: transparent;
}
.article-content img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 34px 0;
}
.article-content a {
    color: #8a6d45;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(185, 154, 104, .45);
}
.article-content iframe,
.article-content video {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 32px 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 15px;
}
.article-content table th,
.article-content table td {
    border: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
}
.article-content table th {
    background: var(--paper);
    color: var(--ink);
}

.article-footer-nav {
    max-width: 940px;
    margin: 56px auto 0;
    padding: 24px 0;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.article-footer-nav .back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--ink);
    min-height: 44px;
}
.article-footer-nav .back-link:hover {
    color: var(--gold);
}
.back-link .arrow {
    transition: transform .25s ease;
}
.back-link:hover .arrow {
    transform: translateX(-4px);
}

.related-section {
    padding: 72px 24px 90px;
    background: var(--paper);
    margin-top: 72px;
}
.related-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.section-heading h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--ink);
    margin: 0;
    font-weight: 700;
    letter-spacing: 1px;
}
.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 14.5px;
    max-width: 420px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.light-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease;
}
.light-card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-soft);
}
.light-card .card-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--paper);
}
.light-card .card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(35, 32, 29, 0) 55%, rgba(35, 32, 29, .12) 100%);
    opacity: 0;
    transition: opacity .3s ease;
}
.light-card:hover .card-media::after {
    opacity: 1;
}
.light-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.light-card:hover .card-media img {
    transform: scale(1.03);
}
.light-card .card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 22px 22px 20px;
}
.card-label {
    display: inline-flex;
    width: fit-content;
    border: 1px solid var(--gold);
    color: #8a6d45;
    line-height: 1;
    padding: 5px 8px;
    font-size: 12px;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    margin-bottom: 13px;
}
.light-card h3 {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.45;
    color: var(--ink);
    margin: 0 0 10px;
    font-weight: 700;
}
.light-card .card-desc {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
    margin: 0 0 18px;
    flex: 1;
}
.card-more {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    color: var(--ink);
    min-height: 32px;
}
.card-more .arrow {
    transition: transform .25s ease;
}
.light-card:hover .card-more .arrow {
    transform: translateX(5px);
}

.site-cta {
    background: var(--ink);
    color: var(--cream);
    padding: 66px 28px;
    text-align: center;
}
.cta-inner {
    max-width: 820px;
    margin: 0 auto;
}
.site-cta h2 {
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 600;
    line-height: 1.45;
    margin: 0 0 12px;
    color: var(--cream);
}
.site-cta p {
    color: rgba(248, 245, 241, .7);
    font-size: 15px;
    margin: 0 0 30px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: var(--radius);
    padding: 0 26px;
    font-size: 15px;
    letter-spacing: 1px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .25s ease, color .25s ease, border-color .25s ease, transform .2s ease;
}
.btn-primary {
    background: var(--cream);
    color: var(--ink);
}
.btn-primary:hover {
    background: var(--gold);
    color: var(--ink);
}
.btn-dark {
    background: var(--ink);
    color: var(--cream);
    border-color: var(--ink);
}
.btn-dark:hover {
    background: #382f28;
    border-color: #382f28;
}
.btn-outline {
    background: transparent;
    color: var(--ink);
    border-color: var(--gold);
}
.btn-outline:hover {
    background: #f0e6d7;
}
.notfound-box {
    max-width: 640px;
    margin: 100px auto 120px;
    padding: 70px 30px 76px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    text-align: center;
}
.notfound-box h1 {
    font-family: var(--font-serif);
    font-size: 34px;
    margin: 0 0 30px;
    color: var(--ink);
}

.site-footer {
    background: var(--ink);
    color: rgba(248, 245, 241, .76);
    padding: 64px 24px 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 44px;
    max-width: 1280px;
    margin: 0 auto 46px;
}
.footer-grid .brand .mk,
.footer-grid .brand .zh {
    color: var(--cream);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 320px;
    margin: 16px 0 0;
    opacity: .6;
}
.footer-col h4 {
    font-size: 15px;
    letter-spacing: 1px;
    color: var(--cream);
    margin: 0 0 18px;
    font-weight: 600;
}
.footer-col li {
    margin-bottom: 10px;
}
.footer-col a,
.footer-col li {
    font-size: 14px;
    color: rgba(248, 245, 241, .66);
    line-height: 1.6;
}
.footer-col a:hover {
    color: var(--gold);
}
.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    color: rgba(248, 245, 241, .45);
}
.footer-bottom a {
    color: rgba(248, 245, 241, .45);
}
.footer-bottom a:hover {
    color: var(--gold);
}
.footer-bottom span + span::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: middle;
}

.bottom-tabs {
    display: none;
}

@media (max-width: 1100px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-grid .light-card:last-child {
        grid-column: span 2;
    }
    .article-header-block h1 {
        font-size: 32px;
    }
}

@media (max-width: 900px) {
    .desktop-nav ul {
        gap: 22px;
    }
}

@media (max-width: 768px) {
    .site-header {
        background: var(--cream);
        border-bottom: 1px solid var(--line);
    }
    .desktop-nav {
        display: none;
    }
    .header-inner {
        justify-content: center;
        height: 62px;
    }
    .bottom-tabs {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 100;
        display: flex;
        background: rgba(255, 255, 255, .96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--line);
        padding-bottom: env(safe-area-inset-bottom);
    }
    .tab-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        min-height: 60px;
        color: #9A8A78;
        font-size: 12px;
        letter-spacing: .5px;
    }
    .tab-item svg {
        width: 21px;
        height: 21px;
        stroke: currentColor;
        fill: none;
        stroke-width: 1.6;
        stroke-linecap: round;
        stroke-linejoin: round;
    }
    .tab-item.active {
        color: var(--ink);
    }
    .tab-item.active span {
        color: var(--ink);
    }
    .tab-item.active span::after {
        content: "";
        display: block;
        height: 2px;
        width: 18px;
        background: var(--gold);
        margin: 2px auto 0;
        border-radius: 2px;
    }
    body {
        padding-bottom: 60px;
        padding-bottom: calc(60px + env(safe-area-inset-bottom));
    }

    .article-wrap {
        padding: 36px 18px 0;
    }
    .article-header-block h1 {
        font-size: 27px;
    }
    .breadcrumb .current {
        max-width: 220px;
    }
    .article-content {
        font-size: 16px;
    }
    .related-section {
        padding: 52px 18px 64px;
        margin-top: 44px;
    }
    .section-heading h2 {
        font-size: 22px;
    }
    .site-cta h2 {
        font-size: 23px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-bottom: 30px;
    }
}

@media (max-width: 600px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    .related-grid .light-card:last-child {
        grid-column: span 1;
    }
    .article-content h2 {
        font-size: 21px;
    }
    .article-content {
        line-height: 1.8;
    }
    .article-meta {
        font-size: 13px;
        gap: 8px 14px;
    }
    .article-footer-nav {
        padding: 18px 0 22px;
    }
    .site-cta {
        padding: 52px 18px;
    }
    .btn {
        padding: 0 18px;
        min-height: 44px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 6px;
    }
    .footer-bottom span + span::before {
        display: none;
    }
    .notfound-box {
        margin: 60px auto 80px;
        padding: 40px 20px 46px;
    }
    .notfound-box h1 {
        font-size: 26px;
    }
}

@media (min-width: 769px) {
    .bottom-tabs {
        display: none !important;
    }
}

/* roulang page: category2 */
:root {
  --ink: #23201D;
  --gold: #B99A68;
  --gold-dark: #9C7A49;
  --ivory: #F8F5F1;
  --card: #FFFFFF;
  --sand: #F2EDE7;
  --text: #3B3634;
  --weak: #8C8581;
  --line: #E7DFD6;
  --error: #B4554D;
  --success: #6E7F64;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Arial", sans-serif;
  --container: 1280px;
  --radius: 3px;
  --shadow-sm: 0 0 0 1px rgba(35, 32, 29, 0.04), 0 4px 14px rgba(35, 32, 29, 0.06);
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--ivory);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold-dark);
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  flex: 0 0 auto;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.3;
  color: var(--ink);
  font-weight: 600;
  margin: 12px 0 16px;
}

.section-head .lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--weak);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 245, 241, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  flex: 0 0 auto;
}

.brand .mk {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 27px;
  color: var(--ink);
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand .zh {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-left: 6px;
}

.desktop-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
}

.desktop-nav a {
  position: relative;
  display: block;
  padding: 27px 0 23px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.desktop-nav a:hover {
  color: var(--ink);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  transform: scaleX(1);
}

.desktop-nav a.active {
  color: var(--ink);
  font-weight: 600;
}

.bottom-tab-nav {
  display: none;
}

.page-banner {
  position: relative;
  min-height: 64vh;
  background: var(--ink);
  overflow: hidden;
  isolation: isolate;
}

.banner-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.banner-mask {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(35, 32, 29, 0.12) 0%, rgba(35, 32, 29, 0.28) 46%, rgba(35, 32, 29, 0.7) 100%);
}

.banner-content {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  max-width: var(--container);
  margin: 0 auto;
  padding: 128px 24px 80px;
  min-height: 64vh;
}

.banner-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #E5CDA8;
  font-size: 13px;
  letter-spacing: 0.28em;
  font-weight: 600;
}

.banner-kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--gold);
  flex: 0 0 auto;
}

.banner-content h1 {
  font-family: var(--serif);
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.2;
  color: #FFFFFF;
  font-weight: 600;
  margin: 22px 0 16px;
}

.banner-desc {
  max-width: 560px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
}

.rank-section {
  background: var(--card);
  padding: 96px 0;
}

.rank-list {
  border-top: 1px solid var(--line);
}

.rank-item {
  display: grid;
  grid-template-columns: 56px 180px minmax(180px, 1fr) 56px;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

.rank-item:hover {
  background: rgba(185, 154, 104, 0.05);
}

.rank-no {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--gold);
  font-weight: 600;
}

.rank-name {
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
}

.rank-track {
  height: 6px;
  background: var(--sand);
  border-radius: 999px;
  overflow: hidden;
}

.rank-track i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), #A78348);
}

.rank-num {
  font-family: var(--serif);
  font-size: 23px;
  text-align: right;
  color: var(--ink);
  font-weight: 600;
}

.series-showcase {
  background: var(--ivory);
  padding: 96px 0;
}

.series-list {
  margin-top: 64px;
}

.series-row {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 72px;
  align-items: center;
  margin-bottom: 96px;
}

.series-row:last-child {
  margin-bottom: 0;
}

.series-row.flip .series-media {
  order: 2;
}

.series-media {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--sand);
  aspect-ratio: 3 / 2;
  box-shadow: var(--shadow-sm);
}

.series-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.series-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(35, 32, 29, 0), rgba(35, 32, 29, 0.1));
  pointer-events: none;
}

.series-media:hover img {
  transform: scale(1.035);
}

.series-code {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--gold-dark);
  font-weight: 600;
}

.series-text h3 {
  font-family: var(--serif);
  font-size: 33px;
  line-height: 1.3;
  color: var(--ink);
  font-weight: 600;
  margin: 12px 0 18px;
}

.series-text .desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 22px;
}

.attr-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.attr-list li {
  font-size: 13px;
  color: #6C5F51;
  background: var(--card);
  border: 1px solid #E1D6C6;
  padding: 6px 13px;
  border-radius: 999px;
  line-height: 1.4;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 600;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.text-link span {
  display: inline-flex;
  transition: transform 0.25s ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.text-link:hover {
  border-color: var(--gold);
}

.featured-section {
  background: var(--card);
  padding: 96px 0;
}

.goods-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.goods-card {
  display: grid;
  grid-template-columns: 136px 1fr;
  align-items: center;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px;
  min-height: 158px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.goods-card:hover {
  border-color: #D2BC9B;
  box-shadow: 0 12px 28px rgba(35, 32, 29, 0.08);
}

.goods-media {
  width: 136px;
  height: 136px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 3px;
  background: var(--sand);
}

.goods-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.goods-card:hover .goods-media img {
  transform: scale(1.05);
}

.goods-info {
  padding: 12px 18px 12px 20px;
}

.goods-cat {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
  margin-bottom: 8px;
  font-weight: 600;
}

.goods-info h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 8px;
}

.goods-info .goods-desc {
  font-size: 14px;
  color: var(--weak);
  line-height: 1.65;
  margin-bottom: 12px;
}

.goods-info .text-link {
  font-size: 14px;
}

.path-section {
  background: var(--sand);
  padding: 96px 0;
}

.path-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.path-list::before {
  content: "";
  position: absolute;
  top: 25px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: var(--gold);
  opacity: 0.45;
}

.path-step {
  position: relative;
  text-align: center;
  padding: 0 8px;
}

.path-step .inner {
  position: relative;
  z-index: 1;
}

.step-node {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(185, 154, 104, 0.16);
}

.path-step h3 {
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 8px;
  font-weight: 600;
}

.path-step p {
  font-size: 14px;
  color: var(--weak);
  line-height: 1.7;
}

.faq-section {
  background: var(--ivory);
  padding: 96px 0;
}

.faq-list {
  max-width: 860px;
  margin: 40px 0 0;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 12px;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: #DDC7A6;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 26px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ink);
  font-size: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold-dark);
  border-radius: 1px;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 26px 22px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.85;
}

.cta-band {
  background: var(--ink);
  color: #fff;
  padding: 72px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-title h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 10px;
}

.cta-title p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex: 0 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.btn-light {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

.btn-light:hover {
  background: #EFE6D8;
  border-color: #EFE6D8;
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-ghost:active,
.btn-light:active {
  transform: translateY(1px);
}

.site-footer {
  background: var(--ink);
  color: #AFA59C;
  padding: 72px 0 34px;
}

.site-footer .brand .mk,
.site-footer .brand .zh {
  color: #fff;
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer .footer-brand p {
  margin-top: 20px;
  max-width: 360px;
  font-size: 14px;
  line-height: 1.85;
  color: #AFA59C;
}

.footer-col h4 {
  font-size: 15px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.footer-col li {
  font-size: 14px;
  margin-bottom: 12px;
  color: #AFA59C;
}

.footer-col a {
  color: #AFA59C;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 13px;
  color: #6F6862;
}

@media (min-width: 768px) {
  .bottom-tab-nav {
    display: none !important;
  }
}

@media (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }

  .desktop-nav ul {
    gap: 24px;
  }

  .series-row {
    gap: 44px;
    margin-bottom: 76px;
  }

  .series-text h3 {
    font-size: 29px;
  }

  .rank-item {
    grid-template-columns: 46px 150px minmax(140px, 1fr) 44px;
    gap: 18px;
  }

  .goods-grid {
    gap: 20px;
  }

  .goods-card {
    grid-template-columns: 116px 1fr;
  }

  .goods-media {
    width: 116px;
    height: 116px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 64px 0;
  }

  .site-header {
    height: 62px;
  }

  .header-inner {
    height: 62px;
  }

  .brand .mk {
    font-size: 24px;
  }

  .brand .zh {
    font-size: 16px;
  }

  .desktop-nav {
    display: none;
  }

  .bottom-tab-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 120;
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-around;
    padding-bottom: env(safe-area-inset-bottom);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .bottom-tab-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 60px;
    flex: 1;
    font-size: 11px;
    color: var(--weak);
    font-weight: 500;
  }

  .bottom-tab-nav a svg {
    width: 20px;
    height: 20px;
  }

  .bottom-tab-nav a.active {
    color: var(--ink);
  }

  .bottom-tab-nav a.active svg {
    color: var(--ink);
  }

  body {
    padding-bottom: 60px;
  }

  .page-banner,
  .banner-content {
    min-height: 58vh;
  }

  .banner-content {
    padding: 84px 24px 56px;
  }

  .banner-content h1 {
    font-size: 36px;
  }

  .banner-desc {
    font-size: 15px;
  }

  .rank-section {
    padding: 64px 0;
  }

  .rank-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    padding: 18px 0;
  }

  .rank-no {
    width: 34px;
  }

  .rank-name {
    flex: 0 1 auto;
    font-size: 16px;
  }

  .rank-track {
    flex: 0 0 100%;
    order: 4;
  }

  .rank-num {
    margin-left: auto;
    font-size: 20px;
  }

  .series-showcase {
    padding: 64px 0;
  }

  .series-row,
  .series-row.flip {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 72px;
  }

  .series-row.flip .series-media {
    order: 0;
  }

  .series-text h3 {
    font-size: 27px;
  }

  .featured-section {
    padding: 64px 0;
  }

  .goods-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .goods-card {
    grid-template-columns: 108px 1fr;
  }

  .goods-media {
    width: 108px;
    height: 108px;
  }

  .path-section {
    padding: 64px 0;
  }

  .path-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 24px;
    margin-top: 36px;
  }

  .path-list::before {
    display: none;
  }

  .faq-section {
    padding: 64px 0;
  }

  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 20px 20px;
  }

  .cta-band {
    padding: 56px 0;
  }

  .cta-inner {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 24px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
  }

  .site-footer {
    padding: 60px 0 100px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .goods-card {
    grid-template-columns: 96px 1fr;
    gap: 0;
  }

  .goods-media {
    width: 96px;
    height: 96px;
  }

  .goods-info {
    padding: 8px 14px;
  }

  .goods-info h3 {
    font-size: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr !important;
  }
}

/* roulang page: category3 */
:root {
  --primary: #23201D;
  --accent: #B99A68;
  --accent-light: #D6BE93;
  --cream: #F8F5F1;
  --card: #FFFFFF;
  --alt-bg: #F2EDE7;
  --body: #3B3634;
  --weak: #8C8581;
  --line: #E7DFD6;
  --error: #B4554D;
  --success: #6E7F64;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --radius: 3px;
  --shadow: 0 12px 30px rgba(35, 32, 29, 0.08);
  --container: 1280px;
  --header-h: 76px;
  --tab-h: 62px;
  --gutter: 24px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--cream); color: var(--body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: 1rem; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 245, 241, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: baseline; gap: 3px; font-family: var(--serif); font-weight: 700; letter-spacing: .04em; }
.brand .mk { font-size: 1.35rem; color: var(--primary); letter-spacing: .02em; }
.brand .zh { font-size: 1.1rem; color: var(--primary); }
.desktop-nav ul { display: flex; gap: 34px; align-items: center; }
.desktop-nav a { font-size: 15px; letter-spacing: .02em; color: var(--body); padding: 8px 0; position: relative; transition: color .2s ease; }
.desktop-nav a:after { content: ""; position: absolute; left: 0; bottom: 2px; width: 100%; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: right center; transition: transform .25s ease; }
.desktop-nav a:hover { color: var(--primary); }
.desktop-nav a:hover:after { transform: scaleX(1); transform-origin: left center; }
.desktop-nav a.active { color: var(--primary); font-weight: 600; }
.desktop-nav a.active:after { transform: scaleX(1); }
.desktop-nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }

/* mobile bottom tab */
.mobile-tab {
  position: fixed; left: 0; bottom: 0; width: 100%;
  height: calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(255, 255, 255, .97);
  border-top: 1px solid var(--line);
  display: none; z-index: 120;
}
.mobile-tab ul { display: flex; height: 100%; }
.mobile-tab li { flex: 1; }
.mobile-tab a { display: flex; flex-direction: column; align-items: center; justify-content: center; height: var(--tab-h); gap: 3px; color: var(--weak); font-size: 11px; transition: color .2s ease; }
.mobile-tab a i { font-size: 18px; line-height: 1; }
.mobile-tab a.active { color: var(--primary); font-weight: 600; }
.mobile-tab a.active i { color: var(--accent); }
.mobile-tab a:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 2px; }

@media (max-width: 767px) {
  .desktop-nav { display: none; }
  .mobile-tab { display: block; }
  body { padding-bottom: calc(var(--tab-h) + env(safe-area-inset-bottom)); }
}

/* common buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--sans); font-size: 15px; font-weight: 500; line-height: 1; border: 1px solid transparent; padding: 0 24px; height: 46px; border-radius: var(--radius); cursor: pointer; transition: all .22s ease; }
.btn-primary { background: var(--primary); color: #FBF8F4; }
.btn-primary:hover { background: #3A3127; box-shadow: 0 6px 18px rgba(35,32,29,.18); }
.btn-primary:active { transform: translateY(1px); }
.btn-outline { border-color: var(--accent); color: var(--primary); background: transparent; }
.btn-outline:hover { background: rgba(185,154,104,.12); }
.btn-light { background: #FBF8F4; color: var(--primary); }
.btn-light:hover { background: #fff; }
.btn:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* footer */
.site-footer { background: var(--primary); color: #C7BEB6; margin-top: 0; padding: 64px 0 42px; }
.site-footer a { color: #D8D3CE; transition: color .2s ease; }
.site-footer a:hover { color: var(--accent-light); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 36px; }
.footer-brand .brand .mk, .footer-brand .brand .zh { color: #F4EDE2; }
.footer-brand p { font-size: 14px; margin-top: 14px; color: #B1A9A1; line-height: 1.75; }
.footer-col h4 { font-family: var(--serif); color: #F4EDE2; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-col li { font-size: 14px; padding: 4px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 24px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: #8F8680; }

/* page banner */
.page-banner {
  background: linear-gradient(77deg, rgba(35,32,29,.76) 0%, rgba(35,32,29,.42) 56%, rgba(35,32,29,.24) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 84px 0 96px; position: relative;
}
.page-banner .eyebrow { font-family: var(--serif); font-size: 15px; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-light); margin-bottom: 18px; display: flex; align-items: center; gap: 14px; }
.page-banner .eyebrow::before { content: ""; width: 38px; height: 1px; background: var(--accent); display: inline-block; }
.page-banner h1 { font-family: var(--serif); font-size: 44px; font-weight: 600; color: #FFF7EC; line-height: 1.28; margin-bottom: 16px; }
.page-banner p { color: #DFD7CE; max-width: 640px; font-size: 17px; line-height: 1.75; }
.page-banner .banner-meta { margin-top: 22px; display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); padding: 8px 16px; border-radius: 40px; color: #F2E6D8; font-size: 13px; }
.page-banner .banner-meta i { color: var(--accent-light); }

@media (max-width: 767px) {
  .page-banner { padding: 54px 0 64px; }
  .page-banner h1 { font-size: 30px; }
  .page-banner p { font-size: 15px; }
}

/* section */
.section { padding: 90px 0; }
.section-alt { background: var(--alt-bg); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; }
.section-head .tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--serif); color: var(--accent); font-size: 14px; letter-spacing: .16em; font-weight: 600; }
.section-head .tag::before { content: ""; width: 22px; height: 1px; background: var(--accent); }
.section-title { font-family: var(--serif); font-size: 30px; color: var(--primary); font-weight: 600; line-height: 1.35; margin-top: 8px; }
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-title { font-size: 24px; }
}

/* topic intro / right pull cards */
.intro-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: center; }
@media (max-width: 991px) { .intro-wrap { grid-template-columns: 1fr; gap: 28px; } }
.intro-copy h2 { font-family: var(--serif); font-size: 28px; color: var(--primary); margin-top: 10px; line-height: 1.4; }
.intro-copy .sub { color: var(--weak); margin-top: 18px; font-size: 16px; }
.intro-copy p { margin-top: 15px; }
.intro-list { display: grid; gap: 13px; margin-top: 26px; }
.intro-list li { display: flex; gap: 12px; font-size: 15px; color: var(--body); }
.intro-list li i { color: var(--accent); margin-top: 4px; font-size: 14px; }
.side-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: none; }
.side-card .number { font-family: var(--serif); font-size: 14px; color: var(--accent); letter-spacing: .1em; }
.side-card h3 { font-family: var(--serif); font-size: 21px; color: var(--primary); margin-top: 8px; }
.side-card .desc { font-size: 15px; color: var(--weak); margin-top: 14px; line-height: 1.7; }
.side-card ul { margin-top: 18px; display: grid; gap: 12px; }
.side-card li { font-size: 14px; border-bottom: 1px dashed var(--line); padding-bottom: 10px; display: flex; justify-content: space-between; gap: 12px; }
.side-card li strong { color: var(--primary); font-weight: 500; }
.side-card li span { color: var(--accent); font-size: 14px; white-space: nowrap; }

/* timeline news index */
.news-index { max-width: 1040px; margin: 0 auto; }
.news-item {
  display: grid; grid-template-columns: 150px 1fr; gap: 34px;
  padding: 30px 0; border-bottom: 1px solid var(--line);
  transition: background .25s ease; border-radius: 2px;
}
.news-item:first-child { padding-top: 0; }
.news-item:hover { background: rgba(255,255,255,.5); }
.news-date { font-family: var(--serif); color: var(--primary); }
.news-date .day { font-size: 34px; line-height: 1.2; }
.news-date .month { display: block; font-size: 14px; color: var(--accent); letter-spacing: .08em; margin-top: 2px; }
.news-content .cat { font-size: 13px; color: var(--accent); letter-spacing: .08em; }
.news-content h3 { font-family: var(--serif); color: var(--primary); font-size: 21px; margin: 7px 0 8px; font-weight: 600; line-height: 1.5; }
.news-content p { color: var(--weak); font-size: 15px; max-width: 780px; }
.news-link { margin-top: 15px; display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--primary); font-weight: 500; }
.news-link i { transition: transform .22s; }
.news-link:hover i { transform: translateX(4px); color: var(--accent); }
.news-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }

@media (max-width: 767px) {
  .news-item { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .news-date .day { font-size: 26px; }
  .news-content h3 { font-size: 18px; }
}

/* empty state */
.empty-state { text-align: center; padding: 46px 20px; border: 1px dashed var(--line); background: rgba(255,255,255,.4); border-radius: 4px; color: var(--weak); font-size: 15px; }
.empty-state i { font-size: 34px; color: #CBBFAF; display: block; margin-bottom: 12px; }

/* load more */
.load-more { text-align: center; margin-top: 36px; }
.load-more .btn { min-width: 180px; }

/* feature chips */
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { background: var(--card); border: 1px solid var(--line); color: var(--primary); padding: 10px 20px; border-radius: 30px; font-size: 14px; }
.chip i { color: var(--accent); margin-right: 6px; }

/* color layout card */
.layout-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.layout-card { background: var(--card); border: 1px solid var(--line); padding: 28px; border-radius: var(--radius); transition: transform .2s ease, box-shadow .2s ease; position: relative; }
.layout-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.layout-card .icon { width: 42px; height: 42px; border: 1px solid rgba(185,154,104,.6); color: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 18px; }
.layout-card h3 { font-family: var(--serif); color: var(--primary); font-size: 19px; margin-bottom: 10px; font-weight: 600; }
.layout-card p { color: var(--weak); font-size: 14px; }
@media (max-width: 991px) { .layout-cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 767px) { .layout-cards { grid-template-columns: 1fr; } }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--card); border: 1px solid var(--line); margin-bottom: 14px; border-radius: var(--radius); overflow: hidden; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 24px; cursor: pointer; color: var(--primary); font-weight: 500; font-size: 16px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--accent); font-size: 20px; transition: transform .25s ease; }
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 24px 20px; color: var(--weak); font-size: 15px; line-height: 1.8; border-top: 1px dashed var(--line); padding-top: 14px; margin: 0 24px 20px 24px; }
.faq-item .faq-body { padding: 14px 24px 20px; }
@media (max-width: 767px) { .faq-item summary { padding: 16px 18px; font-size: 15px; } .faq-item .faq-body { padding: 10px 18px 14px; } }

/* highlight steps */
.timeline-horiz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; margin-top: 20px; }
.timeline-step { border-left: 1px solid var(--accent); padding-left: 24px; }
.timeline-step .step-text { font-family: var(--serif); color: var(--accent); font-size: 14px; letter-spacing: .1em; }
.timeline-step h3 { font-family: var(--serif); color: var(--primary); font-size: 20px; margin: 8px 0 8px; }
.timeline-step p { font-size: 14px; color: var(--weak); }
@media (max-width: 767px) { .timeline-horiz { grid-template-columns: 1fr; gap: 26px; } }

/* CTA band */
.cta-band { background: linear-gradient(120deg, #1D1A18 0%, #312B27 100%); padding: 62px 0; }
.cta-flex { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-flex h2 { font-family: var(--serif); color: #F4EDE2; font-size: 30px; }
.cta-flex p { color: #BDB2A8; margin-top: 8px; max-width: 560px; line-height: 1.7; }
@media (max-width: 767px) { .cta-flex h2 { font-size: 24px; } }

/* photo side */
.sideCover { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.cover-photo { border-radius: var(--radius); overflow: hidden; height: 300px; width: 100%; object-fit: cover; box-shadow: 0 20px 45px rgba(0,0,0,.1); }
@media (max-width: 767px) { .sideCover { grid-template-columns: 1fr; } }

/* roulang page: category4 */
:root {
    --color-ink: #23201d;
    --color-gold: #b99a68;
    --color-bg: #f8f5f1;
    --color-card: #ffffff;
    --color-soft: #f2ede7;
    --color-text: #3b3634;
    --color-muted: #8c8581;
    --color-border: #e7dfd6;
    --color-error: #b4554d;
    --color-success: #6e7f64;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --radius-sm: 2px;
    --radius-md: 4px;
    --shadow-sm: 0 2px 10px rgba(35, 32, 29, 0.06);
    --shadow-md: 0 12px 28px rgba(35, 32, 29, 0.1);
    --ease: 0.25s ease;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}
body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    margin: 0 0 0.6em;
    line-height: 1.3;
    color: var(--color-ink);
    font-weight: 600;
}
p {
    margin: 0 0 1.2em;
}
a {
    color: inherit;
    text-decoration: none;
}
ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}
img {
    max-width: 100%;
    display: block;
}
button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}
.container {
    width: min(1240px, 100% - 48px);
    margin-inline: auto;
}
.section {
    padding: 92px 0;
}
.section-tight {
    padding: 72px 0;
}
.section-center {
    text-align: center;
}
.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 16px;
}
.section-title {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
}
.section-lead {
    max-width: 720px;
    color: #5c5550;
    font-size: 16px;
    line-height: 1.8;
}
.muted {
    color: var(--color-muted);
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* ============ buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.4;
    background: transparent;
    transition: all var(--ease);
    text-align: center;
}
.btn:disabled,
.btn.disabled {
    opacity: 0.4;
    pointer-events: none;
}
.btn-primary {
    background: var(--color-ink);
    color: #ffffff;
}
.btn-primary:hover {
    background: #151110;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}
.btn-primary:active {
    background: #0d0b09;
    transform: translateY(0);
}
.btn-outline {
    border-color: rgba(185, 154, 104, 0.7);
    color: var(--color-ink);
    background: rgba(255, 255, 255, 0.7);
}
.btn-outline:hover {
    background: rgba(185, 154, 104, 0.16);
    border-color: var(--color-gold);
    transform: translateY(-1px);
}
.btn-outline:active {
    background: rgba(185, 154, 104, 0.3);
}
.btn-light {
    background: #ffffff;
    color: var(--color-ink);
    border-color: rgba(255, 255, 255, 0.18);
}
.btn-light:hover {
    background: #f3ede5;
    color: var(--color-ink);
}
.btn-block {
    width: 100%;
}
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: var(--color-ink);
    transition: gap var(--ease);
}
.link-arrow:hover {
    gap: 12px;
    color: #8a6a3c;
}
.link-arrow svg {
    width: 16px;
    height: 16px;
}
:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
    box-shadow: none;
}

/* ============ header ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 245, 241, 0.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(231, 223, 214, 0.85);
}
.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    font-family: var(--font-serif);
    color: var(--color-ink);
    letter-spacing: 0.02em;
}
.brand .mk {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.04em;
}
.brand .zh {
    font-size: 17px;
    font-weight: 500;
}
.desktop-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
}
.desktop-nav a {
    display: inline-flex;
    align-items: center;
    padding: 10px 15px;
    font-size: 15px;
    font-weight: 500;
    color: #6b655e;
    position: relative;
    transition: color var(--ease);
}
.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 15px;
    right: 15px;
    bottom: 5px;
    height: 2px;
    background: transparent;
    transition: background var(--ease);
}
.desktop-nav a:hover {
    color: var(--color-ink);
}
.desktop-nav a.active,
.desktop-nav a[aria-current="page"] {
    color: var(--color-ink);
    font-weight: 600;
}
.desktop-nav a.active::after,
.desktop-nav a[aria-current="page"]::after {
    background: var(--color-gold);
}

/* ============ mobile tab ============ */
.mobile-tabbar {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 80;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 16px rgba(35, 32, 29, 0.06);
    padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
}
.mobile-tabbar nav {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}
.mobile-tabbar a {
    display: flex;
    min-height: 54px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: #a9a099;
    font-size: 11px;
    line-height: 1.2;
    transition: color var(--ease);
    padding: 4px 2px;
}
.mobile-tabbar a svg {
    width: 21px;
    height: 21px;
    color: #9a918a;
    transition: color var(--ease);
}
.mobile-tabbar a.active {
    color: var(--color-ink);
    font-weight: 600;
}
.mobile-tabbar a.active svg {
    color: var(--color-gold);
}

/* ============ banner ============ */
.page-banner {
    position: relative;
    min-height: 330px;
    display: flex;
    align-items: flex-end;
    color: #fff;
    background-image: url("/assets/images/backpic/back-1.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(35, 32, 29, 0.04) 0%, rgba(35, 32, 29, 0.55) 100%);
}
.page-banner .container {
    position: relative;
    z-index: 1;
    padding-bottom: 54px;
    padding-top: 100px;
}
.banner-overline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: #ece0cf;
    margin-bottom: 18px;
}
.banner-overline::before {
    content: "";
    display: inline-block;
    width: 30px;
    height: 1px;
    background: rgba(255, 255, 255, 0.6);
}
.page-banner h1 {
    font-size: 46px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}
.page-banner .lead {
    max-width: 640px;
    font-size: 17px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;
}
.banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ============ overview ============ */
.overview-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 76px;
    align-items: center;
}
.overview-media {
    position: relative;
    background: var(--color-card);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px;
}
.overview-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-sm);
}
.overview-copy .section-title {
    font-size: 30px;
    margin-bottom: 16px;
}
.overview-copy > p {
    color: #5e5751;
}
.overview-list {
    margin-top: 24px;
    display: grid;
    gap: 12px;
}
.overview-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #4f4943;
    line-height: 1.7;
}
.overview-list svg {
    width: 18px;
    height: 18px;
    flex: none;
    margin-top: 5px;
    color: var(--color-gold);
}

/* ============ service roster ============ */
.roster-section {
    background: #ffffff;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.roster-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
    margin-bottom: 48px;
}
.roster-note {
    max-width: 420px;
    font-size: 14px;
    color: var(--color-muted);
    margin: 0;
}
.roster-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--color-border);
}
.roster-item {
    padding: 30px 20px 30px 0;
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    padding-right: 36px;
    margin-right: -1px;
}
.roster-item:nth-child(2n) {
    border-right: 0;
}
.roster-index {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-gold);
    letter-spacing: 0.08em;
}
.roster-item h3 {
    font-size: 20px;
    margin: 8px 0 6px;
    font-weight: 600;
}
.roster-item p {
    margin: 0;
    color: #665f58;
    font-size: 15px;
    line-height: 1.75;
}
.roster-tip {
    margin-top: 24px;
    padding: 12px 16px;
    background: var(--color-soft);
    border-radius: var(--radius-sm);
    color: #6f665e;
    font-size: 14px;
}

/* ============ process band ============ */
.process-band {
    background: var(--color-ink);
    color: rgba(255, 255, 255, 0.82);
}
.process-band .section-title {
    color: #fff;
}
.process-band .eyebrow {
    color: var(--color-gold);
}
.process-intro {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
    margin-bottom: 52px;
}
.process-intro p {
    max-width: 520px;
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
}
.flow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    counter-reset: flow;
}
.flow-steps li {
    position: relative;
    padding: 0 22px 0 0;
}
.flow-steps li::after {
    content: "";
    position: absolute;
    top: 26px;
    right: 10px;
    width: 42px;
    height: 1px;
    background: rgba(185, 154, 104, 0.5);
}
.flow-steps li:last-child::after {
    display: none;
}
.flow-index {
    display: inline-flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(185, 154, 104, 0.5);
    border-radius: 50%;
    color: var(--color-gold);
    font-family: var(--font-serif);
    font-size: 20px;
    letter-spacing: 0.04em;
    margin-bottom: 22px;
}
.flow-steps h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}
.flow-steps p {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 14px;
    line-height: 1.75;
}

/* ============ faq ============ */
.faq-section {
    background: var(--color-soft);
}
.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}
.faq-list details {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color var(--ease);
}
.faq-list details[open] {
    border-color: rgba(185, 154, 104, 0.45);
}
.faq-list summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    list-style: none;
    padding: 20px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-ink);
    line-height: 1.5;
}
.faq-list summary::-webkit-details-marker {
    display: none;
}
.faq-list summary::after {
    content: "";
    width: 22px;
    height: 22px;
    flex: none;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%238c8581" stroke-width="2" stroke-linecap="round"><path d="M12 5v14M5 12h14"/></svg>') center / contain no-repeat;
    transition: transform var(--ease);
}
.faq-list details[open] summary::after {
    transform: rotate(45deg);
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%238c8581" stroke-width="2" stroke-linecap="round"><path d="M5 12h14"/></svg>');
}
.faq-list .faq-answer {
    padding: 0 22px 20px;
    color: #5d5751;
    font-size: 15px;
    line-height: 1.8;
}
.faq-list .faq-answer p {
    margin: 0;
}

/* ============ contact form ============ */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 72px;
    align-items: start;
}
.contact-copy .section-title {
    font-size: 29px;
}
.contact-description {
    color: #5e5751;
    margin-bottom: 26px;
}
.contact-points {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}
.contact-points li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #504a45;
}
.contact-points li svg {
    width: 18px;
    height: 18px;
    flex: none;
    margin-top: 4px;
    color: var(--color-gold);
}
.form-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 30px;
}
.form-status {
    padding: 12px 14px;
    background: rgba(110, 127, 100, 0.14);
    color: #50604b;
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 18px;
}
.contact-form .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.field-group {
    margin-bottom: 16px;
}
.field-group.full {
    grid-column: 1 / -1;
}
.field-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 7px;
    color: var(--color-ink);
}
.field-group label span {
    color: var(--color-error);
}
.field-group input,
.field-group select,
.field-group textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid #d8cfc4;
    border-radius: var(--radius-sm);
    background-color: #fff;
    padding: 10px 13px;
    font-size: 15px;
    color: var(--color-text);
    transition: border-color var(--ease), box-shadow var(--ease);
}
.field-group textarea {
    min-height: 118px;
    resize: vertical;
}
.field-group select {
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%239a918a" stroke-width="2"><path d="m6 9 6 6 6-6"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 2px rgba(185, 154, 104, 0.16), inset 0 -2px 0 var(--color-gold);
}
.form-footnote {
    margin-top: 14px;
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.7;
}

/* ============ exit cta ============ */
.exit-section {
    background: #ffffff;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.exit-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 56px;
    padding: 26px 0;
}
.exit-copy h2 {
    font-size: 26px;
    margin-bottom: 8px;
}
.exit-copy p {
    margin: 0;
    color: #6a625c;
    font-size: 15px;
}
.exit-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    flex: none;
}

/* ============ footer ============ */
.site-footer {
    background: var(--color-ink);
    color: rgba(255, 255, 255, 0.72);
    padding: 60px 0 26px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 44px;
    margin-bottom: 44px;
}
.footer-brand .brand {
    color: #fff;
    font-size: 22px;
    margin-bottom: 16px;
}
.footer-brand p {
    max-width: 300px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.62);
    margin: 0;
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 20px;
    font-weight: 600;
    font-family: var(--font-sans);
}
.footer-col ul {
    display: grid;
    gap: 10px;
}
.footer-col a,
.footer-col li {
    color: rgba(255, 255, 255, 0.66);
    font-size: 14px;
    line-height: 1.6;
    font-style: normal;
    transition: color var(--ease);
}
.footer-col a:hover {
    color: #fff;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 20px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* ============ responsive ============ */
@media (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .overview-media {
        order: -1;
        padding: 8px;
    }
    .flow-steps {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 38px;
    }
    .flow-steps li:nth-child(2)::after {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .process-intro,
    .roster-head,
    .exit-inner {
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 24px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 52px;
    }
}

@media (max-width: 767px) {
    body {
        padding-bottom: 66px;
    }
    .container {
        width: min(100% - 32px, 100%);
    }
    .desktop-nav {
        display: none;
    }
    .mobile-tabbar {
        display: block;
    }
    .site-header {
        position: sticky;
        top: 0;
    }
    .header-inner {
        min-height: 62px;
    }
    .brand .mk {
        font-size: 22px;
    }
    .brand .zh {
        font-size: 15px;
    }
    .section {
        padding: 64px 0;
    }
    .section-tight {
        padding: 52px 0;
    }
    .page-banner {
        min-height: 0;
        align-items: flex-end;
    }
    .page-banner .container {
        padding-top: 90px;
        padding-bottom: 40px;
    }
    .page-banner h1 {
        font-size: 34px;
    }
    .page-banner .lead {
        font-size: 15px;
    }
    .section-title {
        font-size: 26px;
    }
    .section-lead {
        font-size: 15px;
    }
    .roster-grid {
        grid-template-columns: 1fr;
    }
    .roster-item {
        border-right: 0;
        padding: 24px 0;
    }
    .roster-item:nth-child(2n) {
        border-right: 0;
    }
    .flow-steps {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .flow-steps li::after {
        display: none;
    }
    .contact-grid {
        gap: 40px;
    }
    .form-card {
        padding: 22px 18px;
    }
    .contact-form .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .field-group.full {
        grid-column: auto;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-brand p {
        max-width: 100%;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .exit-inner {
        padding: 16px 0;
    }
}

@media (max-width: 560px) {
    .banner-actions {
        flex-direction: column;
        width: 100%;
    }
    .banner-actions .btn {
        width: 100%;
    }
    .overview-grid {
        gap: 36px;
    }
    .roster-head {
        margin-bottom: 32px;
    }
    .faq-list summary {
        padding: 18px 16px;
        font-size: 15px;
    }
    .faq-list .faq-answer {
        padding: 0 16px 18px;
    }
    .field-group input,
    .field-group select,
    .field-group textarea {
        border-radius: var(--radius-sm);
    }
}
