/* roulang page: index */
:root{
  --paper:#F7F3ED;
  --paper-soft:#EFE9DF;
  --card:#FFFFFF;
  --ink:#1B1C1F;
  --ink-soft:#4E504C;
  --gold:#A3855A;
  --gold-deep:#7C623C;
  --gold-light:#CBB58C;
  --line:#E4DCCF;
  --danger:#A64B3C;
  --radius-lg:12px;
  --radius-md:8px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(27,28,31,.04),0 8px 24px rgba(27,28,31,.05);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  color:var(--ink);
  font-family:"Songti SC","Noto Serif CJK SC","STSong",serif;
  line-height:1.25;
  margin:0 0 .6em;
  letter-spacing:.02em;
}
p{margin:0 0 1.1em}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;border:0;background:none;cursor:pointer;padding:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:2px}
.container{max-width:1280px;margin:0 auto;padding-inline:20px}
@media(min-width:768px){.container{padding-inline:32px}}
.section{padding-block:clamp(64px,8vw,120px)}
.section-top{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.16em;
  color:var(--gold-deep);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--gold)}
.section-title{font-size:clamp(28px,3.4vw,42px);line-height:1.25;font-weight:700}
.section-desc{font-size:16px;color:var(--ink-soft);max-width:70ch;line-height:1.85}
.section-head-gap{margin-top:16px}
.hd-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in-view{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  *{transition:none!important;animation:none!important}
}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background .3s ease;
}
body.is-scrolled .site-header{
  box-shadow:0 10px 34px rgba(27,28,31,.09);
}
.header-inner{padding:0 20px}
@media(min-width:768px){.header-inner{padding:0 32px}}
.header-top{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;height:78px;
}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  display:none;width:42px;height:42px;flex:none;
  align-items:center;justify-content:center;
  border:1px solid var(--gold);border-radius:10px;color:var(--gold-deep);
  font-family:"Songti SC",serif;font-size:21px;font-weight:700;
}
@media(min-width:640px){.brand-mark{display:flex}}
.brand-copy{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text{
  font-family:"Songti SC","Noto Serif CJK SC","STSong",serif;
  font-size:22px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.02em;
}
.brand-sub{font-size:12px;color:var(--ink-soft);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:639px){.brand-sub{display:none}}
.header-actions{display:flex;align-items:center;gap:8px}
.header-search{
  display:none;align-items:center;
  height:40px;padding-left:12px;padding-right:4px;
  border:1px solid var(--line);border-radius:6px;background:#fff;
  transition:border .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{border-color:var(--gold-deep);box-shadow:0 0 0 3px rgba(163,133,90,.12)}
.header-search input{
  width:132px;background:transparent;border:0;outline:0;
  font-size:14px;color:var(--ink);
}
.header-search button{
  width:34px;height:32px;border-radius:5px;display:flex;align-items:center;justify-content:center;
  color:var(--gold-deep);transition:background .2s;
}
.header-search button:hover{background:var(--paper-soft)}
@media(min-width:1024px){
  .header-search{display:flex}
}
.mobile-search-btn{
  display:flex;width:40px;height:40px;border-radius:6px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink);transition:background .2s;
}
.mobile-search-btn:hover{background:var(--paper-soft)}
@media(min-width:1024px){.mobile-search-btn{display:none}}
.mobile-search-area{
  display:none;padding:0 20px 16px;
}
.mobile-search-area form{
  display:flex;height:46px;border:1px solid var(--line);border-radius:6px;background:#fff;overflow:hidden;
}
.mobile-search-area input{flex:1;min-width:0;border:0;outline:0;padding:0 14px;font-size:15px}
.mobile-search-area button{
  padding:0 18px;background:var(--ink);color:var(--paper);font-size:14px;
  display:flex;align-items:center;gap:8px;transition:background .2s;
}
.mobile-search-area button:hover{background:var(--gold-deep)}
body.mobile-search-open .mobile-search-area{display:block}

.header-nav{
  border-top:1px solid #ece4d8;
  overflow-x:auto;scrollbar-width:none;white-space:nowrap;
  -webkit-overflow-scrolling:touch;
}
.header-nav::-webkit-scrollbar{display:none}
.nav-list{display:flex;align-items:center;gap:10px;padding:10px 0;min-width:max-content}
.nav-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 20px;border-radius:var(--radius-pill);
  border:1px solid #dbd1c2;
  color:#3c3d3a;font-size:14px;font-weight:500;
  transition:background .2s,border-color .2s,color .2s;
}
.nav-pill svg{width:15px;height:15px}
.nav-pill:hover{border-color:var(--gold);color:var(--gold-deep)}
.nav-pill.active{background:var(--ink);border-color:var(--ink);color:#F7F0E7}
.nav-pill.active:hover{color:#F7F0E7}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:6px;
  font-size:15px;font-weight:600;line-height:1;
  transition:background .25s,border-color .25s,color .25s,transform .25s;
}
.btn-arrow{display:inline-flex}
.btn-arrow svg{width:17px;height:17px;transition:transform .25s}
.btn-primary{background:var(--ink);color:#F6F1E8}
.btn-primary:hover{background:var(--gold-deep);color:#fff}
.btn-primary:hover .btn-arrow svg{transform:translateX(3px)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-light);color:var(--ink)}
.btn-gold:hover .btn-arrow svg{transform:translateX(3px)}
.btn-ghost{border:1px solid var(--line);background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--paper-soft);border-color:var(--gold)}
.btn-ghost:hover .btn-arrow svg{transform:translateX(3px)}
.btn-outline-light{border:1px solid rgba(255,255,255,.35);color:#F7F0E7;background:transparent}
.btn-outline-light:hover{border-color:#F7F0E7;background:rgba(255,255,255,.06)}
.btn-outline-light:hover .btn-arrow svg{transform:translateX(3px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
@media(max-width:519px){
  .btn{width:100%;min-height:50px}
  .hero-btns{width:100%}
}

.hero{
  position:relative;
  min-height:92vh;
  display:flex;align-items:center;
  padding:172px 0 clamp(90px,12vw,126px);
  background-color:#101013;
  background-size:cover;background-position:center;
  color:#F7F0E7;overflow:hidden;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(98deg,rgba(13,14,16,.93) 0%,rgba(17,18,21,.72) 46%,rgba(13,14,16,.42) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.25);
  border-radius:var(--radius-pill);
  padding:7px 16px 8px;
  font-size:13px;letter-spacing:.06em;color:#EFE5D6;background:rgba(255,255,255,.02);
  margin-bottom:24px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero h1{
  color:#FBF8F2;
  font-size:clamp(34px,5.3vw,64px);
  line-height:1.2;max-width:17ch;font-weight:700;margin-bottom:22px;
}
.hero-lead{
  max-width:52ch;font-size:clamp(16px,1.6vw,19px);line-height:1.85;
  color:rgba(255,255,255,.82);margin-bottom:32px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{margin-top:22px;font-size:14px;color:rgba(255,255,255,.58)}
.hero-note a{color:var(--gold-light);border-bottom:1px solid rgba(203,181,140,.45);padding-bottom:2px;transition:color .2s,border-color .2s}
.hero-note a:hover{color:#fff;border-color:#fff}

.feature-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.feature-grid{grid-template-columns:5fr 7fr;gap:60px}}
.feature-intro p{font-size:16px;line-height:1.9;margin-bottom:22px}
.feature-media{margin-top:26px}
.img-frame{
  overflow:hidden;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.img-frame:hover img{transform:scale(1.018)}
.media-caption{font-size:13px;color:var(--ink-soft);margin-top:10px;padding-left:4px}
.feature-list{margin-top:6px}
.feature-item{
  display:grid;grid-template-columns:64px minmax(0,1fr);
  gap:6px 22px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:padding-left .3s;
}
.feature-item:first-child{border-top:1px solid var(--line)}
.feature-item:hover{padding-left:8px}
.feature-num{
  display:flex;justify-content:center;align-items:center;
  width:52px;height:52px;border:1px solid var(--gold);border-radius:50%;
  color:var(--gold-deep);font-family:"Songti SC",serif;font-weight:700;font-size:20px;
  background:rgba(163,133,90,.08);
}
.feature-item h3{font-size:21px;margin:0 0 4px}
.feature-item p{margin:6px 0 12px;line-height:1.8}
.mini-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--gold-deep);font-size:14px;font-weight:600;
  transition:gap .2s;
}
.mini-link svg{width:15px;height:15px;transition:transform .2s}
.mini-link:hover{color:var(--ink)}
.mini-link:hover svg{transform:translateX(4px)}

.section-process{
  position:relative;
  background-color:#191a1b;
  background-image:linear-gradient(180deg,rgba(24,25,27,.94),rgba(24,25,27,.92)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:rgba(255,255,255,.82);
  padding-block:clamp(70px,8vw,120px);
}
.section-process .eyebrow::before{background:var(--gold)}
.section-process h2{color:#FBF8F2}
.process-top{display:flex;flex-direction:column;gap:24px;margin-bottom:44px}
@media(min-width:1024px){.process-top{flex-direction:row;align-items:flex-end;justify-content:space-between}}
.process-desc{max-width:58ch}
.step-grid{display:grid;grid-template-columns:1fr;gap:16px;counter-reset:step}
@media(min-width:768px){.step-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.step-grid{grid-template-columns:repeat(4,1fr)}}
.step{
  position:relative;height:100%;
  padding:26px 24px 24px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);
  transition:background .25s,border-color .25s,transform .25s;
}
.step:hover{background:rgba(255,255,255,.08);border-color:rgba(203,181,140,.5);transform:translateY(-3px)}
.step-index{font-family:"Songti SC",serif;font-size:15px;font-weight:700;color:var(--gold)}
.step-arrow{
  position:absolute;right:18px;top:24px;display:inline-flex;color:var(--gold-light);
}
.step-arrow svg{width:20px;height:20px}
.step h3{color:#FBF8F2;font-size:19px;margin:14px 0 8px}
.step p{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.process-media{margin-top:40px}
.process-media .media-badge{
  display:inline-block;background:var(--gold);color:var(--ink);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:10px;
}
.process-media img{width:100%;min-height:180px;object-fit:cover;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.12)}
@media(min-width:768px){.process-media img{min-height:280px}}

.trust-quote{
  border:0;margin:24px 0 0;padding:24px 0 0;
  border-top:1px solid var(--line);
  font-family:"Songti SC",serif;font-size:21px;line-height:1.7;color:var(--ink);
}
@media(min-width:1024px){
  .trust-grid{grid-template-columns:6fr 6fr}
}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-card{
  background:linear-gradient(160deg,var(--card),#FBFAF7);
  border:1px solid var(--line);border-top:2px solid var(--gold);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
  padding:26px 20px;
}
.stat-num{display:block;font-family:"Songti SC",serif;font-weight:700;font-size:36px;line-height:1;color:var(--ink)}
.stat-label{display:block;margin-top:12px;font-size:13px;color:var(--ink-soft)}
.badge-line{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper-soft);border:1px solid var(--line);color:var(--ink-soft);
  border-radius:var(--radius-pill);padding:5px 14px;font-size:13px;
}
.badge svg{width:14px;height:14px;color:var(--gold-deep)}

.price-cards{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch;margin-top:36px}
@media(min-width:768px){.price-cards{grid-template-columns:repeat(3,1fr)}}
.price-card{
  position:relative;display:flex;flex-direction:column;
  padding:34px 28px 26px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);transition:border-color .25s,transform .25s,box-shadow .25s;
}
.price-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 16px 38px rgba(27,28,31,.09)}
.price-card.featured{
  background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.74);
}
@media(min-width:1024px){.price-card.featured{transform:translateY(-14px)}}
.price-card.featured:hover{transform:translateY(-18px)}
.price-card h3{font-size:22px;margin-bottom:8px}
.price-card.featured h3{color:#FBF8F2}
.price-label{font-size:14px;color:var(--ink-soft)}
.price-card.featured .price-label{color:rgba(255,255,255,.6)}
.price-amount{
 display:block;font-family:"Songti SC",serif;font-weight:700;font-size:38px;
 line-height:1.1;color:var(--ink);margin:18px 0 6px;
}
.price-card.featured .price-amount{color:#FBF8F2}
.price-amount small{font-size:15px;font-weight:400;color:var(--ink-soft);margin-left:6px}
.price-card.featured .price-amount small{color:rgba(255,255,255,.55)}
.price-desc{font-size:14px;line-height:1.75;min-height:44px;margin-bottom:18px}
.price-list{flex:1;display:flex;flex-direction:column;gap:10px;margin:0 0 24px;padding:20px 0 0;border-top:1px solid var(--line)}
.price-card.featured .price-list{border-color:rgba(255,255,255,.14)}
.price-list li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--ink-soft)}
.price-card.featured .price-list li{color:rgba(255,255,255,.76)}
.price-list svg{flex:none;width:16px;height:16px;margin-top:4px;color:var(--gold)}
.price-card.featured .price-list svg{color:var(--gold-light)}
.pop-tag{
  position:absolute;right:20px;top:-12px;background:var(--gold);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px 6px;border-radius:var(--radius-pill);
}

.dynamic-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.dynamic-list{border-top:1px solid var(--line)}
.dynamic-item{
  display:grid;
  grid-template-columns:auto minmax(0,1.7fr) minmax(0,1fr) auto;
  gap:8px 20px;align-items:center;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background .25s,padding .25s;
}
.dynamic-item:hover{background:#FBF8F2;padding-left:14px}
.topic-badge{
  display:inline-block;font-size:12px;font-weight:600;color:var(--gold-deep);
  background:rgba(163,133,90,.12);border:1px solid rgba(163,133,90,.2);
  padding:3px 10px;border-radius:var(--radius-pill);white-space:nowrap;
}
.dynamic-info{min-width:0}
.dynamic-title{
  display:block;color:var(--ink);font-size:17px;font-weight:700;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.4;
  transition:color .2s;
}
.dynamic-item:hover .dynamic-title{color:var(--gold-deep)}
.dynamic-excerpt{
  display:block;font-size:13px;color:var(--ink-soft);line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.dynamic-date{font-size:13px;color:var(--ink-soft);white-space:nowrap}
.dynamic-go{display:flex;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;align-items:center;justify-content:center;color:var(--gold-deep)}
.dynamic-go svg{width:17px;height:17px;transition:transform .25s}
.dynamic-item:hover .dynamic-go svg{transform:translateX(4px)}
@media(max-width:767px){
  .dynamic-item{grid-template-columns:1fr auto}
  .dynamic-excerpt{display:none}
  .dynamic-info{order:2;grid-column:1/-1}
  .dynamic-date{order:1}
}
.empty-state{
  margin-top:20px;padding:46px 18px;border:1px dashed #CFC4B3;border-radius:var(--radius-lg);
  background:#FDFBF8;text-align:center;color:var(--ink-soft);
  font-size:15px;
}
.empty-state svg{width:34px;height:34px;margin:0 auto 10px;color:var(--gold)}

.faq-wrap{
  display:grid;grid-template-columns:1fr;gap:36px;margin-top:38px;
}
@media(min-width:1024px){.faq-wrap{grid-template-columns:5fr 7fr;gap:64px}}
.faq-side p{font-size:16px;line-height:1.9;margin:0 0 20px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 0;text-align:left;color:var(--ink);
  font-size:16px;font-weight:600;line-height:1.45;transition:color .2s;
}
.faq-q:hover{color:var(--gold-deep)}
.faq-icon{
  flex:none;display:flex;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;
  align-items:center;justify-content:center;color:var(--gold-deep);transition:transform .3s,border-color .3s,background .3s;
}
.faq-icon svg{width:15px;height:15px}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--gold);border-color:var(--gold);color:var(--ink)}
.faq-answer{display:none;padding:0 40px 20px 0;font-size:15px;line-height:1.85;color:var(--ink-soft)}
.faq-item.open .faq-answer{display:block}

.cta-band{
  position:relative;color:#F7F0E7;
  background-image:linear-gradient(110deg,rgba(16,17,19,.96),rgba(21,22,24,.82)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band .container{position:relative;z-index:2;display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px;align-items:center}
.cta-band h2{color:#FBF8F2;font-size:clamp(28px,3vw,38px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.7);max-width:56ch;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:767px){.cta-actions .btn{flex:1}}

.site-footer{background:var(--ink);color:rgba(255,255,255,.64)}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding-top:56px;padding-bottom:40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:5fr 3fr 3fr}}
.footer-brand .brand-text{color:#FBF8F2}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-title{font-size:14px;letter-spacing:.08em;color:#D9CFC0;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:8px;font-size:15px}
.footer-links a{transition:color .2s;border-bottom:1px solid transparent}
.footer-links a:hover{color:var(--gold-light);border-color:rgba(203,181,140,.4)}
.footer-contact p{margin:0 0 8px;font-size:15px}
.footer-contact a{color:var(--gold-light);border-bottom:1px solid rgba(203,181,140,.3);transition:color .2s}
.footer-contact a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;font-size:13px;color:rgba(255,255,255,.45);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;
}

.float-cta{
  position:fixed;right:18px;bottom:22px;z-index:40;
  display:flex;align-items:center;
  opacity:0;pointer-events:none;transform:translateY(16px);
  transition:opacity .3s,transform .3s;
}
.float-cta.is-show{opacity:1;pointer-events:auto;transform:none}
.float-cta-link{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:#FBF8F2;
  padding:12px 20px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;
  box-shadow:0 8px 28px rgba(0,0,0,.2);
  transition:background .2s,transform .2s;
}
.float-cta-link:hover{background:var(--gold-deep)}
.float-cta-link svg{width:18px;height:18px}
.float-cta .cta-tip{
  display:none;font-size:13px;font-weight:600;
}
@media(min-width:768px){
  .float-cta .cta-tip{display:inline;margin-right:8px}
}
@media(max-width:519px){
  .float-cta-link{padding:13px 18px}
}

/* roulang page: category1 */
:root {
    --paper: #F7F3ED;
    --paper-soft: #EFE9DF;
    --card: #FFFFFF;
    --ink: #1B1C1F;
    --ink-soft: #4E504C;
    --gold: #A3855A;
    --gold-deep: #7C623C;
    --gold-light: #CBB58C;
    --line: #E4DCCF;
    --danger: #A64B3C;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "sans-serif";
    background: var(--paper);
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, h4 { font-family: "Songti SC", "Noto Serif CJK SC", "STSong", "serif"; color: var(--ink); line-height: 1.3; letter-spacing: .02em; }
  .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
  a { text-decoration: none; color: inherit; transition: color .25s ease, background .25s ease, border-color .25s ease, opacity .25s ease, transform .25s ease; }
  img { max-width: 100%; height: auto; display: block; }
  button { border: none; background: none; cursor: pointer; }

  .scroll-reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
  .scroll-reveal.visible { opacity: 1; transform: translateY(0); }
  .scroll-reveal.done { transition: none; opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) {
    .scroll-reveal { opacity: 1; transform: none; transition: none; }
    * { transition: none !important; animation: none !important; }
  }

  .header-wrap {
    position: fixed; top: 0; left: 0; right: 0; z-index: 999;
    background: rgba(247,243,237,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, border-color .3s ease;
  }
  .header-wrap.scrolled {
    background: var(--paper);
    border-bottom-color: var(--line);
  }
  .header-top {
    display: flex; align-items: center; gap: 16px;
    padding: 12px 24px;
  }
  .brand { display: inline-flex; align-items: center; gap: 10px; }
  .brand-mark {
    width: 42px; height: 42px; border-radius: 8px;
    background: var(--ink); color: var(--gold-light);
    display: inline-flex; align-items: center; justify-content: center;
    font-family: "Songti SC", "Noto Serif CJK SC", "STSong", "serif";
    font-size: 20px; font-weight: 600;
    border: 1px solid transparent;
    flex-shrink: 0;
  }
  .brand-copy { display: flex; flex-direction: column; line-height: 1.3; }
  .brand-text { font-family: "Songti SC", "Noto Serif CJK SC", "STSong", "serif"; font-size: 19px; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
  .brand-sub { font-size: 12px; color: var(--gold-deep); letter-spacing: .08em; }

  .header-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
  .header-search { display: flex; align-items: center; }
  .header-search input {
    width: 0; padding: 0; border: 1px solid transparent;
    height: 40px; border-radius: 6px; background: var(--paper-soft);
    color: var(--ink); font-size: 14px; outline: none;
    transition: width .3s ease, border-color .3s ease, padding .3s ease;
  }
  .header-search input.open { width: 180px; padding: 0 14px; border-color: var(--line); }
  .header-search-btn {
    width: 40px; height: 40px; border-radius: 6px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--ink); border: 1px solid var(--line);
    background: transparent;
  }
  .header-search-btn:hover { background: var(--paper-soft); color: var(--gold-deep); border-color: var(--gold); }
  .header-search-btn:focus, .header-tel:focus, .header-cta:focus, .nav-pill:focus, .outline-btn:focus, .arrow-btn:focus, .dark-btn:focus, .gold-btn:focus, .ghost-btn:focus, .accordion-btn:focus, .footer-links a:focus {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }
  .header-tel {
    display: inline-flex; align-items: center; gap: 8px;
    height: 40px; padding: 0 16px;
    font-size: 14px; font-weight: 500; color: var(--ink);
    border: 1px solid var(--line); border-radius: 6px;
  }
  .header-tel:hover { background: var(--paper-soft); border-color: var(--gold); }
  .header-cta {
    display: inline-flex; align-items: center; gap: 6px;
    height: 40px; padding: 0 18px;
    background: var(--ink); color: var(--paper);
    font-size: 14px; font-weight: 500;
    border-radius: 6px;
  }
  .header-cta:hover { background: var(--gold-deep); color: #fff; }
  .header-nav { border-top: 1px solid var(--line); padding: 0 24px; }
  .nav-list {
    display: flex; gap: 8px; align-items: center;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; padding: 10px 0;
    max-width: 1280px; margin: 0 auto;
  }
  .nav-list::-webkit-scrollbar { display: none; }
  .nav-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border-radius: 100px;
    font-size: 14px; font-weight: 500; color: var(--ink);
    border: 1px solid var(--line); background: transparent;
    white-space: nowrap;
  }
  .nav-pill svg { width: 15px; height: 15px; opacity: .6; }
  .nav-pill:hover { border-color: var(--gold); background: var(--paper-soft); color: var(--gold-deep); }
  .nav-pill.active { background: var(--ink); color: var(--gold-light); border-color: var(--ink); }
  .nav-pill.active:hover { opacity: .9; }

  @media (min-width: 768px) {
    .header-top { padding: 14px 32px; }
    .header-nav { padding: 0 32px; }
  }
  @media (min-width: 1024px) { .header-search { margin-left: auto; } }

  .hero-section {
    padding-top: 150px;
    min-height: 420px;
    display: flex; align-items: center;
    background: var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    position: relative;
  }
  .hero-section::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(120deg, rgba(27,28,31,.96) 30%, rgba(27,28,31,.78) 55%, rgba(27,28,31,.55) 100%);
  }
  .hero-content { position: relative; z-index: 2; padding: 70px 24px; }
  .hero-breadcrumb { font-size: 13px; color: rgba(203,181,140,.7); display: flex; align-items: center; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
  .hero-breadcrumb a { color: rgba(203,181,140,.7); }
  .hero-breadcrumb a:hover { color: var(--gold-light); }
  .hero-breadcrumb span { color: var(--gold-light); }
  .hero-section h1 {
    font-size: clamp(34px, 5vw, 58px);
    color: #fff; font-weight: 600;
    max-width: 900px;
    line-height: 1.2;
    margin-bottom: 20px;
  }
  .hero-section h1 .gold-text { color: var(--gold-light); }
  .hero-sub { color: rgba(247,243,237,.85); max-width: 65ch; font-size: 16px; line-height: 1.9; margin-bottom: 28px; }
  .hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
  .hero-tag {
    font-size: 12px; padding: 5px 13px;
    border: 1px solid rgba(203,181,140,.45);
    color: var(--gold-light);
    border-radius: 100px;
    background: rgba(27,28,31,.3);
    letter-spacing: .04em;
  }
  @media (min-width: 768px) {
    .hero-content { padding: 80px 32px 72px; }
    .hero-section { min-height: 540px; }
  }

  .section-padding { padding-block: clamp(56px, 7vw, 100px); }
  .section-head { margin-bottom: 48px; max-width: 800px; }
  .section-eyebrow {
    font-size: 13px; font-weight: 600; letter-spacing: .12em;
    color: var(--gold-deep); text-transform: uppercase;
    display: inline-block; margin-bottom: 10px;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  }
  .section-head h2 { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 14px; font-weight: 600; }
  .section-head p { font-size: 15px; line-height: 1.9; color: var(--ink-soft); max-width: 58ch; }
  .gold-line { width: 44px; height: 3px; background: var(--gold); border: none; margin-bottom: 22px; }

  .guide-grid {
    display: grid; grid-template-columns: 1fr;
    gap: 36px 28px;
  }
  .guide-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 30px;
    transition: box-shadow .3s ease, border-color .3s ease;
    display: flex; flex-direction: column;
    gap: 12px;
  }
  .guide-card:hover { border-color: var(--gold); box-shadow: 0 6px 24px rgba(27,28,31,.05); }
  .guide-card.disabled-link { pointer-events: none; opacity: .9; }
  .guide-num { font-family: "Georgia", serif; font-size: 38px; font-weight: 600; color: var(--gold); line-height: 1; opacity: .45; display: block; margin-bottom: 4px; }
  .guide-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 4px; display: flex; align-items: center; gap: 10px; }
  .guide-card h3::before { content: ''; width: 14px; height: 2px; background: var(--gold); display: inline-block; flex-shrink: 0; }
  .guide-card p { font-size: 14px; line-height: 1.8; }
  .guide-card .tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
  .mini-tag {
    font-size: 12px; color: var(--gold-deep);
    background: rgba(163,133,90,0.08);
    padding: 3px 10px; border-radius: 4px;
  }
  .card-link {
    font-size: 13px; color: var(--gold-deep); display: inline-flex; align-items: center; gap: 5px;
    font-weight: 500;
  }
  .card-link:hover { color: var(--ink); }
  .link-arrow { width: 16px; height: 16px; transition: transform .25s ease; }
  .card-link:hover .link-arrow { transform: translateX(3px); }
  @media (min-width: 768px) {
    .guide-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 32px; }
  }

  .compare-section {
    background: var(--paper-soft);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .compare-table { display: block; width: 100%; }
  .compare-row { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: start; }
  .compare-row:last-child { border-bottom: none; padding-bottom: 0; }
  .compare-term { font-weight: 600; color: var(--ink); font-size: 15px; }
  .compare-desc { font-size: 14px; color: var(--ink-soft); }
  .compare-desc strong { color: var(--gold-deep); font-weight: 600; }
  @media (min-width: 640px) {
    .compare-row { grid-template-columns: 200px 1fr; }
  }

  .feature-panel {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--card);
    overflow: hidden;
  }
  .feature-inner { display: grid; grid-template-columns: 1fr; }
  .feature-image { min-height: 260px; position: relative; }
  .feature-image img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
  .feature-image .img-shade {
    position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(27,28,31,.3), transparent 40%);
    z-index: 1;
  }
  .feature-content { padding: 30px; display: flex; flex-direction: column; gap: 16px; }
  .feature-content h3 { font-size: 22px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
  .feature-content h3::after { content: ''; flex: 1; height: 1px; background: var(--line); }
  .feature-content p { font-size: 14px; line-height: 1.85; }
  ul.feature-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  ul.feature-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; }
  ul.feature-list li::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: var(--gold); margin-top: 8px; flex-shrink: 0;
  }
  .feature-line { width: 100%; height: 1px; background: var(--ink); position: relative; margin: 24px 0; }
  @media (min-width: 1024px) { .feature-inner { grid-template-columns: 5fr 7fr; } }

  .guide-illustrated { background: var(--ink); color: rgba(247,243,237,.9); }
  .guide-illustrated .section-head h2 { color: #F7F3ED; }
  .guide-illustrated .section-head p { color: rgba(247,243,237,.75); }
  .guide-illustrated .section-eyebrow { color: var(--gold-light); }
  .dark-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
  .dark-item { padding: 28px; }
  .dark-header { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
  .dark-step {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--gold); color: var(--ink);
    font-family: "Georgia", serif; font-weight: 600; font-size: 16px;
    display: inline-flex; align-items: center; justify-content: center;
  }
  .dark-item h3 { color: #fff; font-size: 18px; font-weight: 600; }
  .dark-item p { font-size: 14px; line-height: 1.8; color: rgba(247,243,237,.72); }
  @media (min-width: 640px) { .dark-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1024px) { .dark-grid { grid-template-columns: repeat(4, 1fr); gap: 0; } .dark-item { border-right: 1px solid rgba(203,181,140,.2); padding: 28px 24px; } .dark-item:last-child { border-right: none; } }

  .btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
  .dark-btn {
    display: inline-flex; align-items: center; gap: 6px;
    min-height: 46px; padding: 10px 24px;
    background: var(--gold); color: var(--ink);
    border-radius: 6px; font-size: 15px; font-weight: 500;
    border: 1px solid transparent;
  }
  .dark-btn:hover { background: var(--gold-light); color: var(--ink); transform: translateY(-2px); }
  .arrow-svg { width: 17px; height: 17px; transition: transform .25s ease; }
  .dark-btn:hover .arrow-svg { transform: translateX(3px); }
  .gc-btn {
    display: inline-flex; align-items: center; gap: 6px;
    min-height: 46px; padding: 10px 24px;
    border: 1px solid rgba(203,181,140,.5); color: var(--gold-light);
    border-radius: 6px; font-size: 15px;
  }
  .gc-btn:hover { background: rgba(203,181,140,.12); color: #fff; }

  .cat-refer {
    display: grid; grid-template-columns: 1fr; gap: 20px;
  }
  .cat-refer-item {
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    padding: 28px;
    display: flex; flex-direction: column; gap: 8px;
    transition: box-shadow .3s ease, border-color .3s ease;
  }
  .cat-refer-item:hover { border-color: var(--gold); box-shadow: 0 8px 20px rgba(27,28,31,.06); }
  .cat-refer-icon { color: var(--gold); width: 32px; height: 32px; margin-bottom: 4px; }
  .cat-refer-item h3 { font-size: 19px; color: var(--ink); }
  .cat-refer-item p { font-size: 14px; flex: 1; }
  @media (min-width: 768px) {
    .cat-refer { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  }

  .faq-wrap { display: grid; grid-template-columns: 1fr; gap: 40px; }
  .faq-item { border-bottom: 1px solid var(--line); }
  .accordion-btn {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 60px; width: 100%; text-align: left;
    padding: 12px 0; gap: 16px;
    font-size: 15px; font-weight: 500; color: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .faq-item:last-child { border-bottom: none; }
  .accordion-btn .faq-icon {
    width: 32px; height: 32px; border-radius: 50%;
    border: 1px solid var(--gold);
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--gold); flex-shrink: 0;
  }
  .accordion-btn.open .faq-icon { background: var(--ink); border-color: var(--ink); color: var(--gold-light); }
  .accordion-box { overflow: hidden; max-height: 0; transition: max-height .4s ease; }
  .accordion-content { padding: 0 0 18px; font-size: 14px; max-width: 90%; color: var(--ink-soft); }
  @media (min-width: 1024px) { .faq-wrap { grid-template-columns: 5fr 7fr; gap: 60px; } }

  .cta-section { background: var(--ink); position: relative; overflow: hidden; }
  .cta-section::before {
    content: ''; position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-1.webp') center 60%/cover no-repeat;
    opacity: .18;
  }
  .cta-container { position: relative; z-index: 2; text-align: center; }
  .cta-container h2 { color: #fff; font-size: clamp(26px, 3.5vw, 44px); margin-bottom: 16px; }
  .cta-container p { color: rgba(247,243,237,.78); max-width: 58ch; margin: 0 auto 28px; font-size: 15px; line-height: 1.85; }
  .cta-btn-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

  .faq-side-note {
    background: var(--paper-soft);
    border-radius: 12px; padding: 24px;
    border-left: 3px solid var(--gold);
    margin-bottom: 24px;
  }
  .faq-side-note h3 { font-size: 18px; margin-bottom: 8px; }
  .faq-side-note p { font-size: 14px; line-height: 1.8; }
  .info-btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14px; color: var(--gold-deep);
    margin-top: 12px;
  }
  .info-btn:hover { color: var(--ink); }

  .site-footer { background: var(--ink); color: rgba(247,243,237,.72); padding: 56px 0 24px; }
  .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-brand .brand-mark { width: 44px; height: 44px; font-size: 21px; }
  .footer-brand .brand-text { color: #fff; font-size: 20px; }
  .footer-brand .brand-sub { color: var(--gold-light); }
  .footer-title { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: .05em; }
  .footer-links { display: flex; flex-direction: column; gap: 8px; }
  .footer-links a { font-size: 14px; color: rgba(247,243,237,.7); }
  .footer-links a:hover { color: var(--gold-light); padding-left: 3px; }
  .footer-contact a { display: inline-block; font-weight: 500; color: var(--gold-light); }
  .footer-contact a:hover { color: #fff; }
  .footer-bottom {
    border-top: 1px solid rgba(247,243,237,.14);
    padding-top: 20px;
    display: flex; flex-direction: column; gap: 8px;
    justify-content: space-between;
    font-size: 12px; color: rgba(247,243,237,.46);
  }
  @media (min-width: 640px) { .footer-bottom { flex-direction: row; align-items: center; } }
  @media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1.4fr; gap: 60px; }
  }

  .page-main { padding-top: 128px; }
  @media (max-width: 767px) {
    .page-main { padding-top: 120px; }
  }

  .floating-cta {
    position: fixed; right: 20px; bottom: 20px; z-index: 999;
    display: flex; gap: 0;
    background: var(--ink); color: #fff;
    border-radius: 100px;
    padding: 10px 16px 10px 12px;
    align-items: center;
    box-shadow: 0 8px 30px rgba(0,0,0,.2);
    opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility .3s ease;
  }
  .floating-cta:hover { background: var(--gold-deep); color: #fff; }
  .floating-cta.f-visible { opacity: 1; visibility: visible; }
  .floating-cta svg { width: 22px; height: 22px; margin-right: 8px; }
  .floating-cta .f-label { font-size: 13px; font-weight: 500; white-space: nowrap; }
  @media (max-width: 520px) {
    .floating-cta .f-label { display: none; }
    .floating-cta { padding: 12px; border-radius: 50%; }
    .floating-cta svg { margin: 0; }
  }

/* roulang page: article */
:root {
  --paper: #F7F3ED;
  --paper-soft: #EFE9DF;
  --card: #FFFFFF;
  --ink: #1B1C1F;
  --ink-soft: #4E504C;
  --gold: #A3855A;
  --gold-deep: #7C623C;
  --gold-light: #CBB58C;
  --line: #E4DCCF;
  --danger: #A64B3C;
  --header-h: 136px;
  --shadow-card: 0 1px 0 rgba(27, 28, 31, 0.03), 0 8px 28px rgba(27, 28, 31, 0.04);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.container {
  width: min(1280px, 100% - 48px);
  margin-inline: auto;
}
:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: rgba(163, 133, 90, 0.18); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.btn svg { width: 16px; height: 16px; transition: transform .25s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--ink); color: #F7F3ED; }
.btn-primary:hover { background: var(--gold-deep); color: #FFFFFF; }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: var(--gold-light); color: var(--ink); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--paper-soft); border-color: var(--gold); color: var(--ink); }
.btn-dark-ghost { background: transparent; border-color: rgba(247, 243, 237, 0.4); color: #F7F3ED; }
.btn-dark-ghost:hover { background: rgba(247, 243, 237, 0.08); border-color: var(--gold-light); color: #FFFFFF; }

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-deep);
  font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-size: 20px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.55);
  flex-shrink: 0;
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.brand-text {
  font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.03em;
}
.brand-sub {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  margin-top: 3px;
  white-space: nowrap;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 70;
  background: var(--paper);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom: 1px solid var(--line);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding-block: 12px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex-shrink: 0;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 6px;
  width: min(240px, 28vw);
  min-height: 40px;
  padding: 0 4px 0 12px;
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: border-color .2s ease;
}
.search-form:focus-within { border-color: var(--gold-deep); }
.search-field {
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
  min-width: 0;
}
.search-field::placeholder { color: #99927F; }
.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--ink);
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}
.search-btn svg { width: 17px; height: 17px; }
.search-btn:hover { color: var(--gold-deep); background: var(--paper-soft); }
.header-cta { flex-shrink: 0; }
.nav-scroll-wrap {
  border-top: 1px solid var(--line);
}
.header-nav {
  display: flex;
  align-items: center;
  padding: 10px 0;
  scrollbar-width: none;
}
.nav-list { display: flex; align-items: center; gap: 10px; }
.header-nav::-webkit-scrollbar { display: none; }
.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-pill svg { width: 16px; height: 16px; }
.nav-pill:hover { border-color: var(--gold); color: var(--gold-deep); }
.nav-pill.active { background: var(--ink); border-color: var(--ink); color: var(--gold-light); }

/* 主内容默认间距，避开固定 header */
.site-main { padding-top: var(--header-h); min-height: 70vh; }

/* 文章落地视觉 */
.article-hero {
  position: relative;
  background-color: var(--ink);
  background-size: cover;
  background-position: center;
  color: #F7F3ED;
  padding-block: 68px 58px;
  overflow: hidden;
}
.article-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27, 28, 31, 0.88), rgba(27, 28, 31, 0.82));
}
.article-hero .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: rgba(247, 243, 237, 0.62);
  margin-bottom: 26px;
}
.breadcrumb a { transition: color .2s ease; }
.breadcrumb a:hover { color: var(--gold-light); }
.crumb-arrow { color: rgba(247, 243, 237, 0.4); }
.category-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(203, 181, 140, 0.5);
  color: var(--gold-light);
  font-size: 13px;
  line-height: 1;
  padding: 7px 13px;
  border-radius: 999px;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.article-title {
  max-width: 20em;
  margin: 0;
  font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.2;
  color: #FBF6ED;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.article-hero-desc {
  max-width: 56ch;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(247, 243, 237, 0.78);
}
.article-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 28px;
  font-size: 14px;
  color: rgba(247, 243, 237, 0.66);
}
.article-meta-line time { display: inline-flex; align-items: center; gap: 7px; }
.article-meta-line svg { width: 15px; height: 15px; color: var(--gold-light); }
.meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold-light); opacity: 0.7; }
.article-source { color: rgba(247, 243, 237, 0.85); }

/* 文章主体两栏 */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: start;
  padding-block: 56px 72px;
}
.article-article {
  min-width: 0;
  background: var(--paper);
}
.article-body {
  font-size: 16.5px;
  color: var(--ink-soft);
  line-height: 1.9;
  padding: 44px 2px 32px;
  border-bottom: 1px solid var(--line);
}
.article-body > * { max-width: 70ch; }
.article-body p { margin: 0 0 1.6em; }
.article-body h2 {
  font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-size: clamp(24px, 3vw, 31px);
  color: var(--ink);
  line-height: 1.3;
  margin: 1.7em 0 0.7em;
  padding: 0.35em 0 0.35em 0.9em;
  border-left: 2px solid var(--gold);
  max-width: 100%;
}
.article-body h3 {
  font-size: 20px;
  color: var(--ink);
  line-height: 1.45;
  margin: 1.5em 0 0.6em;
  font-weight: 700;
}
.article-body h4 {
  font-size: 17px;
  color: var(--ink);
  font-weight: 700;
  margin: 1.4em 0 0.5em;
}
.article-body a {
  color: var(--gold-deep);
  border-bottom: 1px solid rgba(124, 98, 60, 0.35);
  transition: border-color .2s ease, color .2s ease;
}
.article-body a:hover { color: var(--gold-deep); border-bottom-color: var(--gold-deep); }
.article-body ul,
.article-body ol { margin: 0 0 1.6em; padding-left: 1.3em; }
.article-body li { margin: 0.45em 0; }
.article-body blockquote {
  margin: 1.6em 0;
  padding: 1em 1.4em;
  background: var(--paper-soft);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  color: var(--ink-soft);
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img {
  border-radius: 12px;
  margin: 1.4em 0 0.6em;
  box-shadow: 0 2px 12px rgba(27, 28, 31, 0.06);
}
.article-body figure { margin: 1.6em 0; }
.article-body figcaption {
  font-size: 13px;
  color: var(--ink-soft);
  opacity: 0.75;
  margin-top: 8px;
  text-align: center;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: block;
  overflow-x: auto;
}
.article-body table th,
.article-body table td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.7;
}
.article-body table th {
  background: var(--paper-soft);
  color: var(--ink);
  font-weight: 600;
}
.article-body table tr:last-child td { border-bottom: 0; }

/* 文章底部标签 */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 22px 0 8px;
}
.article-tags-label {
  font-size: 13px;
  color: var(--ink-soft);
  margin-right: 4px;
}
.tag-link {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  line-height: 1;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.tag-link:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  background: var(--paper-soft);
}

/* 文末链接 */
.article-links-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 40px;
}
.link-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: color .2s ease;
}
.link-back svg { width: 16px; height: 16px; transition: transform .2s ease; }
.link-back:hover { color: var(--gold-deep); }
.link-back:hover svg { transform: translateX(-3px); }
.article-simple-cta { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; }
.article-simple-cta span { opacity: 0.7; }
.article-simple-cta a { color: var(--gold-deep); font-weight: 600; }

/* 延伸浏览 */
.related-panel {
  border-top: 1px solid var(--line);
  padding-top: 42px;
  margin-top: 46px;
}
.related-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.related-heading h2 {
  margin: 0;
  font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-size: 28px;
  color: var(--ink);
}
.related-heading:before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.related-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.related-card h3 { margin: 0; font-size: 18px; color: var(--ink); }
.related-card p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--ink-soft); }
.related-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-deep);
}
.related-card-more svg { width: 14px; height: 14px; transition: transform .2s ease; }
.related-card:hover .related-card-more svg { transform: translateX(3px); }

/* 右侧辅助 */
.article-sidebar { min-width: 0; }
.aside-sticky {
  position: sticky;
  top: 154px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.aside-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 0 rgba(27, 28, 31, 0.02);
}
.aside-kicker {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.aside-card h3 { margin: 0; font-size: 18px; color: var(--ink); line-height: 1.45; }
.aside-card p { margin: 10px 0 16px; font-size: 14px; color: var(--ink-soft); line-height: 1.8; }
.aside-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.aside-menu li { display: flex; }
.aside-menu a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 10px 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 6px;
  transition: background .2s ease, padding-left .2s ease;
}
.aside-menu a:hover {
  background: var(--paper-soft);
  padding-left: 11px;
  color: var(--gold-deep);
}
.aside-menu .menu-arrow {
  width: 15px;
  height: 15px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 5px;
}
.aside-cover { border-radius: 12px; width: 100%; }
.aside-contact a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold-deep);
  font-weight: 600;
  font-size: 15px;
  transition: color .2s ease;
}
.aside-contact a:hover { color: var(--ink); }

/* 底部 CTA */
.page-cta-band {
  position: relative;
  background: var(--ink);
  background-size: cover;
  background-position: center;
  padding-block: clamp(64px, 8vw, 96px);
  color: #F7F3ED;
}
.page-cta-band:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(27, 28, 31, 0.93) 0, rgba(27, 28, 31, 0.7) 100%);
}
.page-cta-band .container { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.cta-heading { max-width: 640px; }
.cta-heading h2 {
  margin: 0;
  font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.3;
  color: #FBF6ED;
}
.cta-heading p { margin: 14px 0 0; font-size: 15px; color: rgba(247, 243, 237, 0.8); }
.cta-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

/* 404 / 无文章 */
.article-missing {
  min-height: calc(72vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 80px;
}
.missing-card {
  width: min(620px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(36px, 6vw, 64px);
  text-align: center;
  box-shadow: var(--shadow-card);
}
.missing-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 24px;
  display: grid;
  place-items: center;
  background: var(--paper-soft);
  color: var(--gold-deep);
  border-radius: 50%;
}
.missing-icon svg { width: 26px; height: 26px; }
.missing-card h1 { margin: 0; font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif; font-size: 34px; color: var(--ink); }
.missing-card p { margin: 16px 0 30px; font-size: 16px; color: var(--ink-soft); line-height: 1.9; }
.missing-card .btn { margin-top: 4px; }

/* 底部 Footer */
.site-footer {
  background: var(--ink);
  color: rgba(247, 243, 237, 0.78);
  padding-block: 64px 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 1.2fr;
  gap: 52px;
  padding-bottom: 44px;
}
.footer-brand .brand-text { color: #FBF6ED; }
.footer-brand .brand-sub { color: rgba(247, 243, 237, 0.52); }
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #F7F3ED;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  width: fit-content;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-contact a { color: var(--gold-light); word-break: break-all; transition: color .2s ease; }
.footer-contact a:hover { color: #FFFFFF; }
.footer-bottom {
  border-top: 1px solid rgba(247, 243, 237, 0.12);
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(247, 243, 237, 0.48);
}

/* 浮动 CTA */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s ease, visibility .3s ease, transform .3s ease;
}
.float-cta.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.float-cta-main {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold-light);
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  box-shadow: 0 8px 20px rgba(27, 28, 31, 0.18);
  transition: background .2s ease, transform .2s ease;
}
.float-cta-main svg { width: 22px; height: 22px; }
.float-cta-main:hover { background: var(--gold-deep); color: #FFF; transform: scale(1.04); }
.float-cta-tip {
  display: inline-flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(27, 28, 31, 0.1);
  transition: border-color .2s ease, color .2s ease;
}
.float-cta-tip:hover { border-color: var(--gold); color: var(--gold-deep); }

/* 响应式 */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  .article-sidebar { display: none; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  :root { --header-h: 118px; }
  .header-top { min-height: 70px; padding-block: 8px; }
  .brand-sub { display: none; }
  .search-form { width: 46px; padding: 0; border-bottom: 0; }
  .search-field { display: none; }
  .search-btn { width: 36px; height: 36px; background: var(--paper-soft); border-radius: 8px; }
  .header-cta .btn { min-height: 36px; padding: 0 14px; font-size: 13px; }
  .nav-pill { padding: 7px 14px; font-size: 14px; }
  .article-layout { padding-top: 24px; }
  .article-body { font-size: 15.5px; }
  .page-cta-band .container { align-items: flex-start; }
  .footer-grid { gap: 36px; padding-bottom: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .container { width: min(1280px, 100% - 40px); }
  .brand-text { font-size: 17px; }
  .brand-mark { width: 38px; height: 38px; font-size: 18px; }
  .header-cta .btn span.btn-label-lg { display: none; }
  .header-cta .btn svg { width: 15px; height: 15px; }
  .article-hero { padding-block: 48px 42px; }
  .article-hero-desc { font-size: 15px; }
  .article-title { font-size: 34px; }
  .related-grid { grid-template-columns: 1fr; }
  .float-cta { right: 16px; bottom: 16px; }
  .float-cta-tip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root {
    --paper: #F7F3ED;
    --paper-soft: #EFE9DF;
    --card: #FFFFFF;
    --ink: #1B1C1F;
    --ink-soft: #4E504C;
    --gold: #A3855A;
    --gold-deep: #7C623C;
    --gold-light: #CBB58C;
    --line: #E4DCCF;
    --danger: #A64B3C;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-soft: 0 6px 18px rgba(27, 28, 31, 0.05);
    --shadow-float: 0 12px 32px rgba(27, 28, 31, 0.08);
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
  }

  body {
    margin: 0;
    font-size: 16px;
    line-height: 1.8;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "sans-serif";
    background: var(--paper);
    color: var(--ink-soft);
    -webkit-font-smoothing: antialiased;
  }

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

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

  h1, h2, h3, p {
    margin-top: 0;
  }

  .container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 20px;
  }

  @media (min-width: 1280px) {
    .container {
      padding-inline: 32px;
    }
  }

  .section {
    padding-block: clamp(64px, 8vw, 120px);
  }

  .serif {
    font-family: "Songti SC", "Noto Serif CJK SC", "STSong", "serif";
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 14px;
  }

  .eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--gold);
  }

  .section-title {
    font-family: "Songti SC", "Noto Serif CJK SC", "STSong", "serif";
    font-size: clamp(24px, 3vw, 40px);
    line-height: 1.2;
    color: var(--ink);
    letter-spacing: 0.02em;
    margin: 0 0 18px;
  }

  .section-desc {
    max-width: 70ch;
    margin-bottom: 36px;
    line-height: 1.9;
  }

  .lead-note {
    background: var(--paper-soft);
    border-left: 3px solid var(--gold);
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    line-height: 1.8;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
  }

  .btn svg {
    transition: transform 0.25s var(--ease);
  }

  .btn:hover svg {
    transform: translateX(3px);
  }

  .btn-dark {
    background: var(--ink);
    color: #F7F3ED;
  }

  .btn-dark:hover {
    background: var(--gold-deep);
    color: #fff;
  }

  .btn-gold {
    background: var(--gold);
    color: var(--ink);
  }

  .btn-gold:hover {
    background: var(--gold-light);
    color: var(--ink);
  }

  .btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--ink);
  }

  .btn-ghost:hover {
    background: var(--paper-soft);
    border-color: var(--gold-deep);
    color: var(--gold-deep);
  }

  .btn-sm {
    min-height: 42px;
    padding: 0 18px;
    font-size: 14px;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--gold-deep);
    outline-offset: 3px;
    border-radius: 4px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  }

  .site-header.scrolled {
    box-shadow: 0 8px 24px rgba(27, 28, 31, 0.06);
  }

  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-block: 14px;
  }

  .header-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 12px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    flex-shrink: 0;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(163, 133, 90, 0.55);
    border-radius: 50%;
    color: var(--gold-deep);
    font-family: "Songti SC", "Noto Serif CJK SC", "serif";
    font-size: 21px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.45);
  }

  .brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
  }

  .brand-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--ink);
  }

  .brand-sub {
    margin-top: 4px;
    font-size: 12px;
    color: var(--ink-soft);
    letter-spacing: 0.06em;
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .header-search {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
    min-width: 200px;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  }

  .header-search:focus-within {
    border-color: var(--gold-deep);
    box-shadow: 0 0 0 3px rgba(124, 98, 60, 0.12);
  }

  .header-search input {
    height: 42px;
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    padding: 0 12px;
    font-size: 14px;
    color: var(--ink);
    outline: none;
  }

  .header-search input::placeholder {
    color: #8a857d;
  }

  .header-search button {
    width: 46px;
    height: 42px;
    border: 0;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s var(--ease), color 0.25s var(--ease);
  }

  .header-search button:hover {
    background: var(--paper-soft);
    color: var(--gold-deep);
  }

  .header-nav-row {
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.28);
  }

  .header-nav {
    display: flex;
    align-items: center;
    min-height: 56px;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 7px 0;
  }

  .nav-list::-webkit-scrollbar {
    display: none;
  }

  .nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
    padding: 9px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border: 1px solid transparent;
    transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  }

  .nav-pill:hover {
    background: var(--paper-soft);
  }

  .nav-pill.active {
    background: var(--ink);
    color: var(--gold-light);
  }

  .category-hero {
    position: relative;
    background-color: #17181a;
    background-image: linear-gradient(rgba(19, 20, 22, 0.84), rgba(27, 28, 31, 0.9)), url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    color: #F7F3ED;
    padding-block: clamp(72px, 10vw, 128px);
    border-bottom: 3px solid var(--gold);
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 30px;
  }

  .breadcrumb a {
    transition: color 0.2s;
  }

  .breadcrumb a:hover {
    color: var(--gold-light);
  }

  .breadcrumb-sep {
    opacity: 0.5;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(203, 181, 140, 0.45);
    border-radius: 999px;
    padding: 7px 14px;
    color: var(--gold-light);
    font-size: 13px;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
  }

  .hero-title {
    font-family: "Songti SC", "Noto Serif CJK SC", "STSong", "serif";
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.15;
    letter-spacing: 0.02em;
    max-width: 13ch;
    margin-bottom: 20px;
  }

  .hero-desc {
    max-width: 58ch;
    color: rgba(247, 243, 237, 0.88);
    line-height: 1.9;
    margin-bottom: 28px;
  }

  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 60ch;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(247, 243, 237, 0.26);
    color: #F7F3ED;
    font-size: 14px;
    transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
  }

  .hero-tag:hover {
    background: rgba(203, 181, 140, 0.14);
    border-color: var(--gold-light);
  }

  .split-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .media-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--paper-soft);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--line);
  }

  .media-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 260px;
  }

  .media-caption {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--ink-soft);
    background: var(--card);
    border-top: 1px solid var(--line);
  }

  .tick-list {
    list-style: none;
    margin: 22px 0 26px;
    padding: 0;
    display: grid;
    gap: 12px;
  }

  .tick-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 15px;
  }

  .tick-list svg {
    flex: 0 0 20px;
    margin-top: 4px;
    color: var(--gold-deep);
  }

  @media (min-width: 1024px) {
    .split-grid {
      grid-template-columns: repeat(12, 1fr);
    }
    .split-grid > .split-main {
      grid-column: span 7;
    }
    .split-grid > .split-media {
      grid-column: 8 / span 5;
    }
  }

  .category-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
  }

  @media (min-width: 1024px) {
    .category-layout {
      grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.55fr);
      column-gap: 48px;
    }
  }

  .cat-aside {
    position: relative;
    top: auto;
    background: var(--paper-soft);
    border-radius: var(--radius-lg);
    padding: 24px;
    border-top: 4px solid var(--gold);
  }

  @media (min-width: 1024px) {
    .cat-aside {
      position: sticky;
      top: 130px;
    }
  }

  .cat-aside-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
  }

  .aside-links {
    display: grid;
    gap: 6px;
  }

  .aside-links a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transition: background 0.25s var(--ease), color 0.25s var(--ease);
  }

  .aside-links a:hover {
    background: rgba(255, 255, 255, 0.7);
    color: var(--gold-deep);
  }

  .aside-links a svg {
    opacity: 0.6;
    transition: transform 0.25s var(--ease);
  }

  .aside-links a:hover svg {
    transform: translateX(3px);
    opacity: 1;
  }

  .aside-tip {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: #6b6a65;
  }

  .topic-list {
    display: grid;
    gap: 16px;
  }

  .topic-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 18px;
    align-items: start;
    transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
    scroll-margin-top: 140px;
  }

  .topic-card:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-float);
  }

  .topic-card.is-hit {
    animation: topicFlash 2.2s var(--ease);
  }

  @keyframes topicFlash {
    0%, 60%, 100% { background: #fff; }
    12%, 38% { background: #F4EDE1; }
  }

  .topic-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(163, 133, 90, 0.45);
    color: var(--gold-deep);
    font-family: "Songti SC", "Noto Serif CJK SC", "serif";
    font-size: 17px;
    font-weight: 700;
    background: rgba(163, 133, 90, 0.06);
  }

  .topic-content h3 {
    margin: 0 0 8px;
    font-size: 18px;
    line-height: 1.4;
    color: var(--ink);
  }

  .topic-content p {
    margin: 0 0 12px;
    font-size: 15px;
    line-height: 1.8;
  }

  .topic-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .mini-tag {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    line-height: 1;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--ink-soft);
    background: var(--paper);
  }

  .mini-tag.gold {
    color: var(--gold-deep);
    border-color: rgba(163, 133, 90, 0.45);
    background: rgba(163, 133, 90, 0.08);
  }

  .process-section {
    color: #F7F3ED;
    background: #1B1C1F;
  }

  .process-bg {
    background-image: linear-gradient(rgba(20, 21, 24, 0.94), rgba(27, 28, 31, 0.95)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    padding-block: clamp(64px, 8vw, 120px);
  }

  .process-section .section-title {
    color: #F7F3ED;
  }

  .process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
  }

  @media (min-width: 768px) {
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1200px) {
    .process-grid {
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
  }

  .step-card {
    position: relative;
    padding: 26px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(247, 243, 237, 0.1);
    min-height: 190px;
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
  }

  .step-card:hover {
    border-color: rgba(203, 181, 140, 0.6);
    background: rgba(255, 255, 255, 0.075);
  }

  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 28px;
    padding-inline: 8px;
    border-radius: 999px;
    background: rgba(203, 181, 140, 0.16);
    color: var(--gold-light);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 18px;
  }

  .step-title {
    font-size: 18px;
    color: #F7F3ED;
    margin-bottom: 10px;
    font-weight: 600;
  }

  .step-text {
    font-size: 14px;
    line-height: 1.85;
    color: rgba(247, 243, 237, 0.78);
    margin-bottom: 0;
  }

  .brief-section {
    background: var(--paper-soft);
  }

  .brief-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: center;
  }

  @media (min-width: 1024px) {
    .brief-grid {
      grid-template-columns: 1.1fr 0.9fr;
      gap: 56px;
    }
  }

  .brief-card-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
  }

  .brief-card-media img {
    width: 100%;
    height: 100%;
    min-height: 240px;
    object-fit: cover;
  }

  .internal-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gold-deep);
    transition: gap 0.25s var(--ease);
  }

  .internal-link:hover {
    gap: 11px;
  }

  .faq-section {
    background: var(--paper);
  }

  .faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 44px;
  }

  @media (min-width: 1024px) {
    .faq-grid {
      grid-template-columns: 0.8fr 1.2fr;
      gap: 68px;
    }
  }

  .faq-intro {
    position: sticky;
    top: 150px;
  }

  .faq-contact-note {
    margin-top: 24px;
    padding: 20px;
    background: var(--paper-soft);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--gold);
  }

  .faq-list {
    display: grid;
    gap: 0;
  }

  .faq-item {
    border-bottom: 1px solid var(--line);
  }

  .faq-heading {
    margin: 0;
  }

  .faq-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    text-align: left;
    padding: 18px 4px;
    min-height: 56px;
    background: transparent;
    border: 0;
    color: var(--ink);
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.25s var(--ease);
  }

  .faq-btn:hover {
    color: var(--gold-deep);
  }

  .faq-icon {
    flex: 0 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s var(--ease);
  }

  .faq-item.is-open .faq-icon {
    transform: rotate(45deg);
  }

  .faq-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.32s var(--ease);
  }

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

  .faq-body-inner {
    overflow: hidden;
    padding-right: 28px;
  }

  .faq-answer {
    margin: 0;
    padding-bottom: 20px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink-soft);
  }

  .cta-section {
    background: #202127;
    color: #F7F3ED;
    padding-block: clamp(56px, 7vw, 100px);
  }

  .cta-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: center;
  }

  @media (min-width: 768px) {
    .cta-panel {
      grid-template-columns: 1fr auto;
      gap: 48px;
    }
  }

  .cta-panel h2 {
    color: #F7F3ED;
    margin-bottom: 12px;
  }

  .cta-panel p {
    color: rgba(247, 243, 237, 0.78);
    margin-bottom: 0;
    max-width: 66ch;
  }

  .site-footer {
    background: #1B1C1F;
    color: rgba(247, 243, 237, 0.72);
    padding-top: 60px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 36px;
  }

  @media (min-width: 768px) {
    .footer-grid {
      grid-template-columns: 1.4fr 0.8fr 1fr;
      gap: 52px;
    }
  }

  .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #F7F3ED;
    margin-bottom: 16px;
    letter-spacing: 0.04em;
  }

  .footer-links {
    display: grid;
    gap: 8px;
  }

  .footer-links a {
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(247, 243, 237, 0.72);
    transition: color 0.2s var(--ease);
  }

  .footer-links a::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold);
    opacity: 0.7;
  }

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

  .footer-contact a {
    color: var(--gold-light);
    font-weight: 500;
  }

  .footer-bottom {
    border-top: 1px solid rgba(247, 243, 237, 0.14);
    padding-block: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: rgba(247, 243, 237, 0.48);
    justify-content: space-between;
  }

  @media (min-width: 640px) {
    .footer-bottom {
      flex-direction: row;
    }
  }

  @media (max-width: 767px) {
    .header-top {
      flex-direction: column;
      align-items: stretch;
      gap: 12px;
    }

    .header-actions {
      justify-content: space-between;
    }

    .header-search {
      min-width: 0;
      flex: 1;
    }

    .brand-sub {
      display: none;
    }

    .hero-title {
      max-width: 10ch;
    }

    .topic-card {
      padding: 18px;
      grid-template-columns: 1fr;
      row-gap: 14px;
    }

    .topic-index {
      width: 42px;
      height: 42px;
    }
  }

  @media (max-width: 520px) {
    .brand-text {
      font-size: 18px;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      flex-basis: 40px;
    }

    .header-search {
      width: 100%;
    }

    .btn-sm {
      padding-inline: 14px;
    }

    .hero-tags {
      gap: 8px;
    }

    .section {
      padding-block: 52px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.001s !important;
      transition-duration: 0.001s !important;
      scroll-behavior: auto !important;
    }
  }