/* roulang page: index */
:root{
  --bg:#0D1713;
  --bg-soft:#14221C;
  --panel:#182720;
  --line:#2B4036;
  --text:#F2EFE6;
  --text-dim:#A8B6AD;
  --gold:#DDA94B;
  --lime:#C7EC6F;
  --mint:#7EE0C2;
  --radius:20px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  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%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--lime)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(201,236,111,.4);outline-offset:2px;border-radius:8px}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
@media(max-width:768px){.section{padding:64px 0}}
@media(max-width:520px){.section{padding:48px 0}.wrap{padding-left:18px;padding-right:18px}}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,23,19,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(43,64,54,.8);
  transition:background .3s;
}
.site-header.scrolled{background:rgba(13,23,19,.97);border-bottom-color:rgba(221,169,75,.4)}
.header-bar{display:flex;align-items:center;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{
  display:flex;align-items:center;gap:13px;margin-right:auto;
  min-width:0;
}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;
  border-radius:14px;
  background:linear-gradient(135deg,var(--gold),#8a6530);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#0D1713;
  box-shadow:0 0 0 1px rgba(221,169,75,.45),0 8px 20px rgba(221,169,75,.15);
}
.brand-name{font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.2;display:flex;align-items:baseline;gap:2px;flex-wrap:wrap}
.brand-j9{color:var(--gold);font-weight:900}
.brand-youhui{color:var(--text)}
.brand-tip{
  font-size:12px;color:var(--text-dim);margin-left:6px;
  border:1px solid var(--line);padding:2px 10px;border-radius:999px;
  white-space:nowrap;
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;line-height:1;
  border-radius:999px;border:none;cursor:pointer;
  text-decoration:none;transition:var(--transition);
  min-height:40px;padding:0 22px;font-weight:600;white-space:nowrap;
}
.btn-primary{background:var(--gold);color:#0D1713}
.btn-primary:hover{background:#f0b84f;color:#0D1713;transform:translateY(-2px);box-shadow:0 8px 24px rgba(221,169,75,.22)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:transparent;border:1.5px solid rgba(242,239,230,.7);color:var(--text)}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-secondary:active{transform:scale(.98)}
.btn-lg{min-height:56px;padding:0 34px;font-size:17px}
.btn-theme{background:var(--gold);color:#0D1713}
.btn-theme:hover{background:#efb44c;color:#101a15;box-shadow:0 10px 28px rgba(221,169,75,.24);transform:translateY(-2px)}
.btn-dark-outline{background:rgba(13,23,19,.35);border:1.5px solid rgba(242,239,230,.6);color:var(--text)}
.btn-dark-outline:hover{border-color:var(--lime);color:var(--lime)}
.btn i{margin-right:6px;transition:transform .2s}
.btn:hover i.move-right{transform:translateX(3px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.mobile-menu-btn{display:none}

/* nav chips */
.nav-row{border-top:1px solid rgba(43,64,54,.8)}
.chip-wrap{display:flex;gap:10px;align-items:center;padding-top:10px;padding-bottom:12px;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.chip-wrap::-webkit-scrollbar{display:none}
.nav-chip{
  flex:0 0 auto;
  padding:9px 20px;border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  color:var(--text-dim);
  font-size:15px;font-weight:500;
  transition:var(--transition);
}
.nav-chip:hover{color:var(--gold);border-color:rgba(221,169,75,.5)}
.nav-chip.is-active{color:var(--text);border-color:var(--gold);background:rgba(221,169,75,.12);font-weight:600}
.nav-chip .chip-dot{width:6px;height:6px;background:var(--mint);border-radius:50%;display:inline-block;margin-right:8px;vertical-align:middle}

/* hero */
.hero{
  position:relative;
  background:
    linear-gradient(110deg, rgba(13,23,19,.96) 30%, rgba(13,23,19,.75) 63%, rgba(13,23,19,.35) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:96px 0 116px;
  overflow:hidden;
}
@media(max-width:768px){.hero{padding:64px 0 80px}}
.hero-grid{display:flex;gap:48px;align-items:center}
.hero-copy{flex:1.15}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(7,15,11,.55);border:1px solid rgba(221,169,75,.35);
  color:var(--mint);font-size:13px;letter-spacing:.03em;margin-bottom:20px;
}
.hero-eyebrow i{color:var(--gold)}
.hero-title{font-size:clamp(2.7rem,5vw,4.2rem);line-height:1.06;font-weight:900;margin:0 0 14px;letter-spacing:-.025em}
.hero-title .line-first{display:block}
.hero-title .lump{color:var(--gold)}
.hero-title .line-second{display:block;font-size:.92em;color:var(--text);position:relative;margin-top:4px}
.hero-desc{color:var(--text-dim);font-size:17px;max-width:600px;margin:22px 0 34px}
.hero-desc strong{color:var(--lime);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}

/* login guide card */
.login-card{
  flex:0 0 378px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.login-card-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:4px}
.login-card-title i{color:var(--gold)}
.login-card-sub{color:var(--text-dim);font-size:13px;margin-bottom:18px}
.form-group{margin-bottom:14px}
.field-label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}
.field-input{
  width:100%;height:46px;background:var(--bg);border:1px solid #355043;
  border-radius:14px;padding:0 14px;color:var(--text);font-size:14px;
  transition:border-color .2s, box-shadow .2s;
}
.field-input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,236,111,.2);outline:none}
.form-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-bottom:14px;color:var(--text-dim)}
.form-row a{color:var(--mint);font-size:13px}
.login-btn{width:100%;height:46px}
.login-bottom-note{margin-top:14px;font-size:12px;color:var(--text-dim);border-top:1px solid var(--line);padding-top:12px;display:flex;gap:8px;align-items:flex-start}
.login-bottom-note i{color:var(--gold);margin-top:2px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;list-style:none;margin:0;padding:0}
.hero-trust li{color:var(--text-dim);font-size:13px;display:flex;align-items:center;gap:8px}
.hero-trust i{color:var(--mint)}

/* generic section head */
.sec-head{margin-bottom:48px}
.sec-title{font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:800;margin:0 0 16px;line-height:1.22;letter-spacing:-.02em}
.sec-desc{color:var(--text-dim);font-size:16px;max-width:640px;line-height:1.9;margin:0}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.12em;color:var(--gold);margin-bottom:14px;
  text-transform:uppercase;
}
.kicker:before{content:"";width:24px;height:1px;background:var(--gold);display:inline-block}

/* pain area */
.pain-section{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:start}
@media(max-width:920px){.pain-layout{grid-template-columns:1fr;gap:36px}}
.pain-intro .sec-desc{margin-top:16px}
.pain-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:30px}
.pain-list li{position:relative;padding-left:64px}
.pain-num{
  position:absolute;left:0;top:0;
  width:42px;height:42px;border-radius:50%;
  background:rgba(201,236,111,.13);
  border:1px solid rgba(201,236,111,.42);
  color:var(--lime);font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.pain-list li h3{font-size:18px;font-weight:700;margin:2px 0 8px}
.pain-list li p{color:var(--text-dim);font-size:15px;margin:0;line-height:1.8}

/* solution */
.solution-section{background:var(--bg);border-bottom:1px solid var(--line)}
.solution-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:48px 0 60px;
}
.solution-feature.flip .solution-visual{order:2}
.solution-feature.flip .solution-copy{order:1}
@media(max-width:900px){
  .solution-feature,.solution-feature.flip{grid-template-columns:1fr;gap:28px}
  .solution-feature.flip .solution-visual{order:1}
  .solution-feature.flip .solution-copy{order:2}
}
.solution-no{font-size:80px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(221,169,75,.3);line-height:1;display:block;margin-bottom:12px}
@media(max-width:768px){.solution-no{font-size:56px}}
.solution-title{font-size:26px;font-weight:800;line-height:1.3;margin:0 0 16px}
.solution-copy p{color:var(--text-dim);font-size:16px;max-width:520px;margin-bottom:22px}
.solution-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.solution-points li{display:flex;gap:12px;align-items:baseline;font-size:15px;color:var(--text)}
.solution-points i{color:var(--gold);flex:0 0 auto}
.solution-visual img{border-radius:16px;width:100%;object-fit:cover;aspect-ratio:4/3;box-shadow:var(--shadow);border:1px solid rgba(43,64,54,.7)}

/* metrics band */
.metrics-band{
  background:
    linear-gradient(135deg, rgba(13,23,19,.96), rgba(20,34,28,.9)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.metric-grid{display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between}
.metric-item{flex:1 1 160px;padding:10px 4px}
.metric-value{font-size:clamp(2rem,4vw,3rem);font-weight:900;color:var(--text);line-height:1.1;display:flex;align-items:baseline;gap:6px}
.metric-value em{font-style:normal;color:var(--gold);font-size:.5em;font-weight:600;margin-bottom:6px}
.metric-label{color:var(--text-dim);font-size:14px;margin-top:4px}

/* coverage triple using descriptive 2line + shorter middle */
.feat-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.feat-cols{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feat-cols{grid-template-columns:1fr}}
.feat-card{
  min-height:320px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 24px 22px;position:relative;
  transition:var(--transition);overflow:hidden;
}
.feat-card:hover{border-color:rgba(221,169,75,.58);transform:translateY(-4px);box-shadow:var(--shadow)}
.feat-icon{width:48px;height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;background:rgba(221,169,75,.13);border:1px solid rgba(221,169,75,.35);color:var(--gold)}
.feat-card h3{font-size:18px;font-weight:700;margin:0 0 8px}
.feat-card p{color:var(--text-dim);font-size:14px;margin:0 0 16px;line-height:1.75}
.feat-card ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.feat-card ul li{padding:10px 0 0;font-size:14px;display:flex;gap:10px;align-items:center;color:var(--text-dim)}
.feat-card ul li i{color:var(--lime);font-size:12px}
.feat-list-wide{grid-column:1/-1;display:grid;grid-template-columns:1.4fr 2fr;gap:20px;align-items:stretch}
@media(max-width:600px){.feat-list-wide{grid-template-columns:1fr}}
.feat-list-wide .feat-note-list{display:flex;flex-direction:column;justify-content:center;padding-top:12px}
.feat-list-wide .feat-note-list li{padding:14px 0;border-bottom:1px solid rgba(43,64,54,.7);font-size:15px;display:flex;gap:12px;color:var(--text-dim)}
.feat-list-wide .feat-note-list li:last-child{border-bottom:none}
.feat-note-list i{color:var(--mint);margin-right:2px}
.wak{min-height:0;display:flex;align-items:center;padding-top:0}
.wak .wak-inner{width:100%;text-align:left;color:var(--text-dim);font-size:14px;line-height:1.8;border-left:3px solid var(--lime);padding-left:20px}
.wak .wak-inner b{color:var(--gold);font-weight:700}

/* latest news */
.latest-section{background:var(--bg-soft);border-top:1px solid var(--line)}
.news-group{max-width:860px;margin:0 auto}
.news-item{
  display:flex;gap:24px;padding:28px 6px;
  border-bottom:1px solid rgba(43,64,54,.7);
  align-items:flex-start;transition:background .2s;border-radius:14px;
}
.news-item:hover{background:rgba(255,255,255,.02)}
.news-item:hover h3{color:var(--gold)}
.news-item:first-child{border-top:1px solid rgba(43,64,54,.7)}
.news-side{flex:0 0 84px;display:flex;flex-direction:column;align-items:center;background:rgba(221,169,75,.1);border-radius:16px;padding:12px 4px;border:1px solid rgba(221,169,75,.26)}
.news-side .news-day{font-size:28px;font-weight:900;color:var(--gold);line-height:1}
.news-side .news-month{font-size:13px;color:var(--text-dim);margin-top:5px}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}
.chip-tag{
  display:inline-block;font-size:12px;padding:2px 12px;border-radius:999px;background:var(--bg);
  border:1px solid rgba(126,224,194,.45);color:var(--mint);font-weight:600;letter-spacing:.02em;
}
.news-body h3{font-size:18px;margin:0 0 8px;font-weight:700;transition:color .2s;line-height:1.5}
.news-body .news-snippet{color:var(--text-dim);font-size:15px;margin:0;line-height:1.75}
.news-read{margin-top:12px;display:inline-flex;align-items:center;gap:4px;font-size:14px;color:var(--gold);font-weight:600}
.news-read i{margin-left:4px;transition:transform .2s}
.news-item:hover .news-read i{transform:translateX(4px)}
.empty-state{
  text-align:center;padding:70px 24px;border:1px dashed var(--line);
  color:var(--text-dim);font-size:17px;border-radius:var(--radius);
}

/* testimonials */
.testi{background:var(--bg);border-bottom:1px solid var(--line)}
.testi-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
@media(max-width:900px){.testi-grid{grid-template-columns:1fr}}
.testi-main{
  background:linear-gradient(140deg,rgba(24,39,32,.4),rgba(20,34,28,.96));
  border:1px solid var(--line);padding:40px;border-radius:24px;
  display:flex;flex-direction:column;
}
.testi-main blockquote{margin:0 0 30px;font-size:22px;line-height:1.8;font-weight:600;color:var(--text);position:relative}
.testi-main blockquote:before{content:"“";color:var(--gold);font-size:56px;line-height:1;display:block;height:28px}
.testi-person{display:flex;align-items:center;gap:14px;margin-top:auto}
.avatar{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),#8a6530);
  color:#151515;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;flex:0 0 auto;
}
.avatar.avatar-lime{background:linear-gradient(135deg,var(--lime),#6f9d37);color:#101a15}
.avatar.avatar-mint{background:linear-gradient(135deg,var(--mint),#3aa98e);color:#0b1712}
.avatar-neutral{background:linear-gradient(135deg,#3A5A4E,#9D8A5B);color:var(--text)}
.testi-person-name{font-weight:700;font-size:15px}
.testi-person-role{font-size:13px;color:var(--text-dim)}
.testi-cards{display:flex;flex-direction:column;gap:20px}
.testi-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px;transition:var(--transition)}
.testi-card:hover{border-color:rgba(221,169,75,.55);transform:translateY(-3px)}
.testi-card p{font-size:15px;color:var(--text-dim);margin-bottom:18px}
.testi-card .testi-person-name{font-size:14px}
.testi-card .testi-person-role{font-size:12px}

/* faq */
.faq-section{background:var(--bg-soft)}
.faq-inner{max-width:780px;margin:0 auto}
.accordion-custom{margin:0;list-style:none;padding:0;border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-title{padding:18px 54px 18px 20px;font-size:17px;font-weight:700;cursor:pointer;position:relative;color:var(--text);transition:background .2s;min-height:56px;display:flex;align-items:center;user-select:none}
.acc-title:hover{background:rgba(221,169,75,.07)}
.acc-panel{
  display:none;
  background:rgba(126,224,194,.035);
  border-left:3px solid var(--lime);
  margin:-2px 0 20px 14px;
  border-radius:0 14px 14px 0;
  padding:18px 24px;
}
.acc-panel p{color:var(--text-dim);font-size:15px;line-height:1.8;margin-bottom:16px}
.acc-panel p:last-child{margin-bottom:0}
.acc-help{font-size:14px;margin-top:14px;color:var(--gold);display:inline-flex;align-items:center;gap:6px}
.acc-arrow{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:2px solid var(--line);
  color:var(--text-dim);font-size:14px;
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  transition:var(--transition);
  cursor:pointer;
}
.acc-item.open .acc-arrow{transform:translateY(-50%) rotate(45deg);border-color:var(--gold);color:var(--gold)}
.acc-item.open .acc-title{color:var(--lime)}

/* cta */
.cta-big{
  position:relative;overflow:hidden;
  background:
    linear-gradient(120deg, rgba(221,169,75,.95) 0%, rgba(203,145,48,.92) 48%, rgba(13,23,19,.92) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:80px 0}
@media(max-width:768px){.cta-inner{padding:60px 0;flex-direction:column;text-align:left}}
.cta-title{font-size:clamp(1.9rem,3.4vw,2.5rem);font-weight:900;line-height:1.25;margin:0;color:#1A130A}
.cta-desc{color:rgba(26,19,10,.82);font-size:16px;margin-top:10px;color:#3d2b0e}
.cta-btn-group{display:flex;gap:16px;flex-wrap:wrap}
.btn-on-dark{background:#101b15;color:var(--gold);border:1px solid rgba(221,169,75,.6)}
.btn-on-dark:hover{background:var(--bg);color:var(--gold);border-color:var(--gold);box-shadow:none;transform:translateY(-2px)}
.btn-outline-dark{background:transparent;border:1.5px solid #241807;color:#241807}
.btn-outline-dark:hover{background:rgba(255,255,255,.1);border-color:#241807;color:#241807}

/* footer */
.site-footer{
  background:#0B110E;
  border-top:1px solid rgba(43,64,54,.8);
  padding-top:64px;padding-bottom:28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .brand-name{font-size:20px}
.footer-desc{color:var(--text-dim);font-size:14px;margin-top:18px;line-height:1.8;max-width:300px}
.footer-head{font-size:15px;font-weight:700;margin-bottom:12px;color:var(--text)}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:6px}
.footer-links a{color:var(--text-dim);font-size:14px}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-tag{display:flex;list-style:none;margin:14px 0 0;padding:0;flex-wrap:wrap;gap:10px}
.footer-tag li{background:rgba(201,236,111,.07);border:1px solid rgba(201,236,111,.22);padding:2px 12px;border-radius:999px;font-size:12px;color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(43,64,54,.7);
  padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;color:var(--text-dim);font-size:13px;
}
.footer-bottom .copy{margin:0}
.footer-bottom a{color:var(--text-dim)}
.footer-bottom a:hover{color:var(--lime)}

/* media */
@media(max-width:960px){
  .hero-grid{flex-direction:column;gap:36px}
  .login-card{flex:0 0 auto;width:100%;max-width:500px}
}
@media(max-width:640px){
  .header-bar{flex-wrap:wrap}
  .brand-name{font-size:21px}
  .brand-tip{display:none}
  .header-actions .cta-hide-sm{display:none}
  .btn{padding:0 18px}
  .hero-title{font-size:2.4rem;line-height:1.15}
  .hero-title .line-second{font-size:.85em}
  .hero-cta .btn{width:100%}
  .hero{padding:52px 0 62px}
  .btn-lg{width:100%}
  .solution-title{font-size:22px}
  .news-item{flex-direction:column;gap:12px}
  .news-side{flex-direction:row;gap:12px;flex:0 0 auto;width:auto;align-self:flex-start}
  .news-side .news-day{margin:0}
  .testi-main{padding:26px 22px}
}

/* roulang page: article */
:root {
  --bg: #0D1713;
  --panel: #14221C;
  --card: #182720;
  --card-soft: #1C2F26;
  --border: #2B4036;
  --line: rgba(160, 180, 164, 0.14);
  --text: #F2EFE6;
  --muted: #A8B6AD;
  --gold: #DDA94B;
  --gold-light: #E7BC63;
  --lime: #C7EC6F;
  --mint: #7EE0C2;
  --danger: #F27A6E;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}

button,
input {
  font-family: inherit;
  font-size: 100%;
  line-height: inherit;
  margin: 0;
}

ul,
p,
h1,
h2,
h3,
h4,
h5 {
  margin: 0 0 1rem;
  padding: 0;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--gold);
  color: #131a16;
  padding: 10px 18px;
  border-radius: 0 0 14px 0;
}

.skip-link:focus {
  left: 0;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s ease;
  letter-spacing: .01em;
  white-space: nowrap;
  padding: 0 24px;
  min-height: 44px;
  line-height: 1;
}

.btn-primary {
  background: var(--gold);
  color: #14211b;
}

.btn-primary:hover {
  background: var(--gold-light);
  box-shadow: 0 10px 24px rgba(221, 169, 75, 0.22);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1.5px solid #456452;
}

.btn-secondary:hover {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateY(-2px);
}

.btn-quiet {
  background: rgba(199, 236, 111, 0.08);
  border: 1px solid rgba(199, 236, 111, 0.35);
  color: var(--lime);
  border-radius: 999px;
  padding: 0 20px;
  min-height: 40px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-quiet:hover {
  background: rgba(199, 236, 111, 0.18);
  border-color: var(--lime);
}

/* 顶部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 23, 19, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(43, 64, 54, 0.9);
  transition: box-shadow .3s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 6px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(140deg, #E7BC63, #B57E24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #172019;
  font-size: 21px;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(197, 151, 69, 0.22);
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
  display: flex;
  align-items: baseline;
  gap: 0;
}

.brand-j9 {
  color: var(--gold);
}

.brand-youhui {
  color: var(--text);
}

.brand-tip {
  margin-left: 10px;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: .18em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 400;
}

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

.header-actions .btn {
  font-size: .93rem;
}

/* 分段导航 */
.nav-row {
  padding: 10px 0 8px;
  margin-top: 4px;
}

.chip-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.chip-wrap::-webkit-scrollbar {
  display: none;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 18px;
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
  transition: all .2s ease;
  font-size: 14px;
}

.nav-chip:hover {
  color: var(--text);
  border-color: rgba(221, 169, 75, 0.5);
}

.nav-chip.is-active {
  color: var(--text);
  background: rgba(221, 169, 75, 0.10);
  border-color: rgba(221, 169, 75, 0.75);
  box-shadow: 0 0 0 3px rgba(221, 169, 75, 0.07);
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition: all .25s ease;
}

.nav-chip.is-active .chip-dot {
  background: var(--gold);
  box-shadow: 0 0 8px rgba(221, 169, 75, 0.8);
}

/* banner */
.article-hero {
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(105deg, rgba(13, 23, 19, 0.96) 0%, rgba(13, 23, 19, 0.85) 47%, rgba(19, 32, 26, 0.72) 100%),
    url('/assets/images/backpic/back-3.webp') center 30% / cover no-repeat;
}

.article-hero .wrap {
  padding-top: 42px;
  padding-bottom: 26px;
}

.crumb-row {
  font-size: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  margin-bottom: 8px;
}

.crumb-row a {
  color: var(--muted);
  border-radius: 999px;
  padding: 3px 4px;
}

.crumb-row a:hover {
  color: var(--lime);
}

.crumb-sep {
  color: #55705e;
  font-size: 12px;
}

.crumb-current {
  color: rgba(242, 239, 230, 0.82);
  display: inline-block;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

.article-hero-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0 4px;
  color: var(--muted);
  font-size: 15px;
}

.article-hero-hint i {
  color: var(--gold);
}

.article-hero-hint .hero-sep {
  width: 26px;
  height: 1px;
  display: inline-block;
  background: linear-gradient(90deg, rgba(221, 169, 75, 0.8), transparent);
}

/* article stage */
.article-stage {
  padding: 52px 0 76px;
  background:
    radial-gradient(circle at 10% 2%, rgba(53, 80, 68, 0.12), transparent 26%),
    linear-gradient(180deg, #0c1713 0%, #0f1c17 100%);
}

.article-shell {
  position: relative;
}

.article-sheet {
  background: linear-gradient(145deg, #192821 0%, #14201b 100%);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: clamp(24px, 5vw, 60px);
}

.article-head {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 30px;
}

.article-kicker {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--gold);
  text-transform: uppercase;
  background: rgba(221, 169, 75, 0.08);
  border: 1px solid rgba(221, 169, 75, 0.25);
  border-radius: 999px;
  padding: 4px 14px;
  gap: 8px;
  margin-bottom: 22px;
}

.kicker-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.post-title {
  margin: 0 0 20px;
  font-size: clamp(1.9rem, 4.4vw, 3.15rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  word-break: break-word;
}

.post-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.meta-chip,
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 5px 14px;
  color: var(--muted);
}

.meta-chip i {
  color: var(--gold);
}

.meta-source i {
  color: var(--mint);
}

.article-divider {
  max-width: 820px;
  margin: 8px auto 32px;
  height: 1px;
  background: var(--line);
  position: relative;
}

.article-divider .line-glow {
  position: absolute;
  left: 50%;
  top: -1px;
  width: 60px;
  height: 3px;
  transform: translateX(-50%);
  border-radius: 99px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* article content */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.95;
  color: rgba(242, 239, 230, 0.92);
  width: 100%;
}

.article-content > *:last-child {
  margin-bottom: 0;
}

.article-content p {
  margin-bottom: 1.6em;
}

.article-content a {
  color: var(--lime);
  border-bottom: 1px solid rgba(199, 236, 111, 0.35);
  padding-bottom: 1px;
}

.article-content a:hover {
  color: var(--mint);
  border-color: var(--mint);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text);
  margin-top: 1.6em;
  margin-bottom: .7em;
  font-weight: 750;
  line-height: 1.45;
}

.article-content h2 {
  font-size: 1.8rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}

.article-content h3 {
  font-size: 1.32rem;
  position: relative;
  padding-left: 16px;
}

.article-content h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 16px;
  border-radius: 6px;
  background: var(--gold);
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.6em;
  padding-left: 1.6rem;
}

.article-content li {
  margin-bottom: .5em;
}

.article-content blockquote {
  border-left: 4px solid var(--gold);
  background: rgba(221, 169, 75, 0.06);
  margin: 2em 0;
  padding: 18px 24px;
  border-radius: 0 16px 16px 0;
  color: rgba(242, 239, 230, 0.85);
  font-style: normal;
}

.article-content blockquote p:last-child {
  margin: 0;
}

.article-content img {
  border-radius: 18px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
  margin: 1.8em auto;
  display: block;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.6em;
  border-radius: 16px;
  overflow: hidden;
  display: block;
  overflow-x: auto;
}

.article-content th,
.article-content td {
  border: 1px solid rgba(160, 180, 164, 0.18);
  padding: 11px 14px;
  text-align: left;
}

.article-content th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

/* tags / tools */
.article-footnotes {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 48px;
  padding: 28px 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.tag-block {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.tag-block-label {
  color: var(--muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.tag-block-label i {
  color: var(--gold);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
}

.tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  font-size: 13px;
  padding: 3px 13px;
  color: var(--muted);
}

/* pager */
.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 34px auto 0;
  max-width: 800px;
}

.pager-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 18px;
  min-height: 80px;
  padding: 16px 22px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}

.pager-card:hover {
  border-color: var(--gold);
  background: rgba(221, 169, 75, 0.06);
  transform: translateY(-3px);
}

.pager-card .pager-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  color: var(--gold);
  flex: 0 0 auto;
  font-size: 15px;
}

.pager-card.next {
  text-align: right;
  justify-content: flex-end;
}

.pager-card .pager-text {
  display: flex;
  flex-direction: column;
  line-height: 1.45;
}

.pager-card .pager-label,
.pager-card .pager-title {
  display: block;
}

.pager-card .pager-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .12em;
}

.pager-card .pager-title {
  color: var(--text);
  font-weight: 650;
  font-size: 15px;
  margin-top: 3px;
}

/* related */
.related-block {
  padding: 46px 0 20px;
}

.related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.related-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin: 0;
}

.related-sub {
  color: var(--muted);
  font-size: 14px;
}

.related-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

.relate-row {
  display: grid;
  grid-template-columns: 122px 1fr auto;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 10px 18px 10px 10px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}

.relate-row:hover {
  border-color: rgba(221, 169, 75, 0.6);
  background: rgba(221, 169, 75, 0.05);
  transform: translateY(-3px);
}

.relate-thumb {
  width: 122px;
  height: 74px;
  object-fit: cover;
  border-radius: 12px;
  overflow: hidden;
}

.relate-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.relate-body {
  min-width: 0;
}

.relate-ctg {
  display: inline-block;
  font-size: 12px;
  color: var(--gold);
  margin-right: 10px;
  letter-spacing: .06em;
}

.relate-row-title {
  display: block;
  color: var(--text);
  font-weight: 650;
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relate-note {
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.relate-arrow {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all .25s ease;
}

.relate-row:hover .relate-arrow {
  color: var(--gold);
  border-color: var(--gold);
  transform: translateX(4px);
}

/* empty state */
.empty-article {
  text-align: center;
  padding: 88px 20px;
  max-width: 620px;
  margin: 0 auto;
  color: var(--muted);
}

.empty-article .empty-icon {
  font-size: 44px;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-article h1 {
  color: var(--text);
  font-size: 2rem;
  margin-bottom: 12px;
}

.empty-article .btn {
  margin-top: 18px;
}

/* bottom CTA */
.bottom-cta {
  background:
    linear-gradient(115deg, rgba(13, 23, 19, 0.92) 0%, rgba(46, 34, 15, 0.78) 100%),
    url('/assets/images/backpic/back-1.webp') center 28% / cover no-repeat;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 74px 0;
  text-align: center;
}

.bottom-cta .wrap {
  max-width: 820px;
}

.bottom-cta h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.4;
  font-weight: 800;
  margin: 0 0 10px;
}

.bottom-cta p {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 16px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* footer */
.site-footer {
  background: #0a140f;
  padding: 64px 0 24px;
  border-top: 1px solid rgba(43, 64, 54, 0.75);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 350px;
}

.footer-tag {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
  padding: 0;
  list-style: none;
}

.footer-tag li {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  padding: 3px 11px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .05em;
}

.footer-head {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: .01em;
  border-left: 2px solid var(--gold);
  padding-left: 10px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--muted);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(43, 64, 54, 0.7);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.copy {
  color: rgba(168, 182, 173, 0.72);
  font-size: 13px;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .article-content {
    font-size: 16px;
  }
}

@media (max-width: 900px) {
  .header-bar {
    flex-wrap: wrap;
  }

  .header-actions .btn {
    font-size: .88rem;
    padding: 0 16px;
    min-height: 40px;
  }

  .nav-row {
    overflow-x: auto;
  }

  .article-sheet {
    padding: 26px 20px;
    border-radius: 20px;
  }

  .relate-row {
    grid-template-columns: 100px 1fr auto;
  }

  .relate-thumb {
    width: 100px;
    height: 64px;
  }
}

@media (max-width: 720px) {
  .header-bar {
    padding-top: 12px;
    gap: 10px;
  }

  .brand-name {
    font-size: 1.35rem;
  }

  .brand-tip {
    display: none;
  }

  .cta-hide-sm {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .post-pager {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .bottom-cta {
    padding: 54px 0;
  }

  .related-block {
    padding-top: 34px;
  }

  .relate-row {
    grid-template-columns: 1fr auto;
    padding: 12px;
  }

  .relate-thumb {
    display: none;
  }

  .relate-row-title {
    white-space: normal;
  }

  .article-content table {
    font-size: 14px;
  }

  .article-content th,
  .article-content td {
    padding: 9px 8px;
  }
}

@media (max-width: 480px) {
  .wrap {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-actions .btn {
    min-width: 44px;
    padding: 0 12px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .brand-youhui {
    letter-spacing: 0;
  }

  .nav-chip {
    padding: 7px 13px;
    font-size: 13px;
  }

  .article-hero .wrap {
    padding-top: 28px;
  }

  .crumb-current {
    max-width: 150px;
  }

  .post-title {
    font-size: 1.65rem;
    line-height: 1.35;
  }

  .post-meta {
    font-size: 13px;
    gap: 7px;
  }

  .meta-chip,
  .meta-item {
    padding: 4px 9px;
  }

  .article-content {
    font-size: 16px;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
  --bg: #0D1713;
  --panel: #14221C;
  --card: #182720;
  --border: #2B4036;
  --text: #F2EFE6;
  --muted: #A8B6AD;
  --gold: #DDA94B;
  --lime: #C7EC6F;
  --mint: #7EE0C2;
  --radius-card: 20px;
  --radius-full: 999px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
ul,
ol {
  list-style: none;
}
button,
input,
select,
textarea {
  font-family: inherit;
}
.wrap {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
main {
  display: block;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.35;
}

/* 按钮组件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 24px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 0;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: #14221C;
}
.btn-primary:hover {
  background: #e9b962;
  transform: translateY(-1px);
  color: #0D1713;
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-secondary {
  background: transparent;
  border: 1.5px solid rgba(242, 239, 230, 0.55);
  color: var(--text);
}
.btn-secondary:hover,
.btn-secondary:focus {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(199, 236, 111, 0.06);
}
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(221, 169, 75, 0.7);
  color: var(--gold);
}
.btn-ghost:hover {
  border-color: var(--gold);
  background: rgba(221, 169, 75, 0.12);
}
.btn-block {
  width: 100%;
}
.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
button:focus,
a:focus,
input:focus {
  outline: 3px solid rgba(199, 236, 111, 0.35);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 23, 19, 0.94);
  border-bottom: 1px solid rgba(43, 64, 54, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.brand-mark {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: #14221C;
  font-size: 22px;
  border-radius: 14px 14px 14px 2px;
  transform: rotate(-3deg);
  transition: transform .25s ease;
}
.brand:hover .brand-mark {
  transform: rotate(0) translateY(-2px);
}
.brand-name {
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-size: 24px;
  font-weight: 800;
}
.brand-j9 {
  color: var(--gold);
  letter-spacing: 0;
}
.brand-youhui {
  color: var(--text);
}
.brand-tip {
  display: block;
  margin-left: 10px;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}
.brand-tip::before {
  content: "·";
  margin-right: 6px;
  color: var(--gold);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-row {
  border-top: 1px solid rgba(43, 64, 54, 0.55);
  padding: 10px 0;
}
.chip-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.chip-wrap::-webkit-scrollbar {
  display: none;
}
.nav-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .25s ease;
  flex: none;
}
.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: transparent;
  transition: background .25s ease;
}
.nav-chip:hover {
  color: var(--text);
  border-color: rgba(199, 236, 111, 0.45);
}
.nav-chip.is-active {
  color: var(--text);
  border-color: var(--lime);
  background: rgba(199, 236, 111, 0.08);
}
.nav-chip.is-active .chip-dot {
  background: var(--lime);
}
.nav-chip.active-gold {
  background: rgba(221, 169, 75, 0.1);
  border-color: var(--gold);
}
.nav-chip.active-gold .chip-dot {
  background: var(--gold);
}

/* 分类大 Banner */
.cat-banner {
  position: relative;
  overflow: hidden;
  background: #0D1713;
  border-bottom: 1px solid rgba(43, 64, 54, 0.7);
  padding: 76px 0 80px;
}
.cat-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 23, 19, 0.97) 8%, rgba(13, 23, 19, 0.9) 48%, rgba(13, 23, 19, 0.66) 100%);
  z-index: 1;
}
.cat-banner .wrap {
  position: relative;
  z-index: 2;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 30px;
  letter-spacing: 0.02em;
}
.breadcrumbs a {
  color: var(--muted);
}
.breadcrumbs a:hover {
  color: var(--gold);
}
.breadcrumbs i {
  font-size: 10px;
  color: var(--gold);
  margin: 0 6px;
}
.breadcrumb-current {
  color: var(--text);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}
.banner-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
}
.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(221, 169, 75, 0.12);
  border: 1px solid rgba(221, 169, 75, 0.45);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}
.page-h1 {
  font-size: clamp(2.3rem, 6vw, 3.6rem);
  line-height: 1.2;
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.h1-brand {
  color: var(--gold);
}
.banner-summary {
  color: var(--muted);
  font-size: 16px;
  max-width: 650px;
  margin-bottom: 30px;
}
.entry-state {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 10px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(127, 224, 194, 0.32);
  color: var(--mint);
  font-size: 13px;
  margin-top: 26px;
}
.state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(199, 236, 111, 0.18);
}

/* 右侧登录引导卡 */
.login-ticket {
  background: rgba(20, 34, 28, 0.92);
  border: 1px solid rgba(221, 169, 75, 0.4);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 26px 24px 24px;
  position: relative;
}
.login-ticket::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: 120px;
  height: 4px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: var(--gold);
}
.mini-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.mini-title i {
  color: var(--gold);
}
.mini-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  border-bottom: 1px dashed rgba(43, 64, 54, 0.9);
  padding-bottom: 16px;
}
.mini-field {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.mini-input {
  height: 48px;
  background: #0D1713;
  border: 1px solid #355043;
  border-radius: 14px;
  padding: 0 16px;
  color: var(--text);
  font-size: 15px;
  width: 100%;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.mini-input::placeholder {
  color: #66756d;
}
.mini-input:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(199, 236, 111, 0.2);
  outline: none;
}
.mini-pair {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  margin-bottom: 14px;
}
.mini-code-btn {
  height: 48px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid rgba(127, 224, 194, 0.45);
  background: rgba(127, 224, 194, 0.06);
  color: var(--mint);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .25s ease;
}
.mini-code-btn:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(199, 236, 111, 0.1);
}
.mini-footer-note {
  font-size: 12px;
  color: #8b9b91;
  line-height: 1.6;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(43, 64, 54, 0.8);
}
.mini-footer-note i {
  color: var(--gold);
  margin-right: 6px;
}

/* 主内容分块 */
.section-space {
  padding: clamp(56px, 7vw, 84px) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lime);
  background: rgba(199, 236, 111, 0.08);
  border: 1px solid rgba(199, 236, 111, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 22px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 18px;
}
.split-para {
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 24px;
}
.split-list {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}
.split-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #c8d1cb;
  font-size: 15px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(20, 34, 28, 0.8);
  border-left: 3px solid var(--lime);
}
.split-list li i {
  color: var(--lime);
  margin-top: 5px;
}
.split-block {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 7vw, 80px);
  align-items: center;
  margin-bottom: 30px;
}
.split-block.has-bg {
  padding: clamp(32px, 6vw, 76px) 0;
}
.split-block.is-reverse .media-wrap {
  order: -1;
}
.media-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  background: var(--card);
}
.media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.media-wrap:hover img {
  transform: scale(1.03);
}
.media-wrap .media-note {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(13, 23, 19, 0.86);
  color: var(--text);
  padding: 8px 12px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid rgba(221, 169, 75, 0.6);
}
.small-label {
  color: var(--gold);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.list-check {
  display: inline-block;
  color: var(--lime);
  margin-right: 6px;
}
.bg-soft {
  background:
    linear-gradient(120deg, rgba(20, 34, 28, 0.8), rgba(13, 23, 19, 0.2)),
    var(--panel);
}

/* 图文交错中的信息卡 */
.line-count {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}
.line-note {
  flex: 1 1 220px;
  background: rgba(24, 39, 32, 0.9);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  transition: all .3s ease;
}
.line-note:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}
.line-note i {
  color: var(--gold);
  font-size: 20px;
  display: inline-block;
  margin-bottom: 12px;
}
.line-note strong {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
}
.line-note p {
  color: var(--muted);
  font-size: 14px;
}

/* 分类延伸导航区 */
.route-nav-section {
  background: rgba(20, 34, 28, 0.55);
  border-top: 1px solid rgba(43, 64, 54, 0.8);
  border-bottom: 1px solid rgba(43, 64, 54, 0.8);
  padding: 64px 0;
}
.route-title {
  font-size: 1.8rem;
  margin-bottom: 14px;
  text-align: center;
}
.route-desc {
  text-align: center;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 36px;
}
.route-chip-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.route-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  transition: all .25s ease;
}
.route-chip i {
  color: var(--lime);
  font-size: 13px;
}
.route-chip:hover {
  background: rgba(221, 169, 75, 0.08);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}
.route-chip.is-strong {
  border-color: var(--gold);
  background: rgba(221, 169, 75, 0.12);
}

/* FAQ */
.faq-section {
  padding: clamp(52px, 7vw, 88px) 0 62px;
}
.faq-head {
  text-align: center;
  margin-bottom: 52px;
}
.faq-section .section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}
.faq-section .section-desc {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}
.cat-accordion {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.cat-accordion,
.cat-accordion .accordion-item,
.cat-accordion .accordion-title,
.cat-accordion .accordion-content {
  list-style: none;
}
.cat-accordion .accordion-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .25s ease;
}
.cat-accordion .accordion-item.is-active {
  border-color: rgba(199, 236, 111, 0.45);
}
.cat-accordion .accordion-title {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 52px 18px 22px;
  min-height: 56px;
  background: transparent;
  border: none;
  color: var(--text);
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: all .25s ease;
}
.cat-accordion .accordion-title:hover {
  color: var(--gold);
}
.cat-accordion .accordion-title::after {
  content: "\2b";
  position: absolute;
  right: 18px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(199, 236, 111, 0.1);
  color: var(--lime);
  font-size: 18px;
  font-weight: 400;
  transition: all .25s ease;
}
.cat-accordion .accordion-item.is-active > .accordion-title::after {
  content: "\2212";
  background: var(--gold);
  color: #14221C;
}
.cat-accordion .accordion-content {
  padding: 0 22px 20px;
  background: rgba(13, 23, 19, 0.55);
  border-top: none;
  color: var(--muted);
  font-size: 15px;
  border-left: 3px solid var(--lime);
  border-radius: 0 0 18px 18px;
}
.cat-accordion .accordion-item.is-active .accordion-content {
  display: block;
}
.cat-accordion .accordion-content p {
  margin-bottom: 0;
  line-height: 1.8;
}
.cat-accordion .faq-more {
  color: var(--gold);
  margin-left: 5px;
}
.cat-accordion .faq-more:hover {
  color: var(--lime);
}

/* CTA 横幅 */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding: 72px 0 70px;
  background-size: cover;
  background-position: center;
  border-top: 1px solid rgba(221, 169, 75, 0.3);
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(13, 23, 19, 0.96), rgba(20, 34, 28, 0.85), rgba(13, 23, 19, 0.55));
}
.cta-banner .wrap {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-copy {
  max-width: 680px;
}
.cta-copy h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  color: var(--gold);
  margin-bottom: 20px;
}
.cta-copy p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 0;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

/* Footer */
.site-footer {
  background: #0B1410;
  border-top: 1px solid rgba(43, 64, 54, 0.8);
  padding: 64px 0 18px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-brand .brand {
  font-size: 20px;
  align-items: center;
  gap: 10px;
}
.footer-brand .brand-mark {
  width: 42px;
  height: 42px;
}
.footer-brand .brand-name {
  font-size: 21px;
}
.footer-desc {
  color: var(--muted);
  font-size: 14px;
  margin-top: 18px;
  line-height: 1.8;
}
.footer-tag {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.footer-tag li {
  font-size: 12px;
  color: var(--muted);
  background: rgba(43, 64, 54, 0.5);
  border: 1px solid rgba(43, 64, 54, 1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.footer-head {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--text);
  border-left: 3px solid var(--gold);
  padding-left: 12px;
}
.footer-links {
  display: grid;
  gap: 10px;
}
.footer-links a {
  color: var(--muted);
  font-size: 14px;
  transition: all .25s ease;
}
.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.footer-links i {
  color: var(--gold);
  font-style: normal;
}
.footer-bottom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid rgba(43, 64, 54, 0.6);
  font-size: 14px;
}
.copy {
  color: #7d8e83;
  margin-bottom: 0;
}

/* 移动端响应式 */
@media (max-width: 1023px) {
  .banner-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .split-block {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .split-block.is-reverse .media-wrap {
    order: 0;
  }
}
@media (max-width: 767px) {
  .site-header {
    padding-top: 4px;
  }
  .header-bar {
    padding: 8px 0;
  }
  .brand-mark {
    width: 40px;
    height: 40px;
  }
  .brand-name {
    font-size: 20px;
  }
  .brand-tip {
    display: none;
  }
  .header-actions .cta-hide-sm {
    display: none !important;
  }
  .cat-banner {
    padding: 48px 0 48px;
  }
  .banner-summary {
    font-size: 15px;
  }
  .split-list li {
    padding: 12px 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cta-banner {
    padding: 48px 0;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .section-space {
    padding: 44px 0;
  }
  .mini-pair {
    flex-direction: column;
  }
  .mini-code-btn {
    width: 100%;
  }
  .route-chip-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 6px;
  }
}
@media (max-width: 520px) {
  .wrap {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-bar {
    gap: 12px;
  }
  .nav-chip {
    padding: 7px 12px;
    font-size: 13px;
  }
  .page-h1 {
    font-size: 2.15rem;
    word-break: break-word;
  }
  .h1-brand {
    display: block;
  }
  .login-ticket {
    padding: 20px 18px;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

/* roulang page: category2 */
:root{
  --bg:#0D1713;
  --panel:#14221C;
  --card:#182720;
  --line:#2B4036;
  --text:#F2EFE6;
  --muted:#A8B6AD;
  --gold:#DDA94B;
  --lime:#C7EC6F;
  --mint:#7EE0C2;
  --radius:20px;
  --radius-sm:16px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--gold);text-decoration:none;transition:color .25s ease, border-color .25s ease, background .25s ease}
ul{margin:0;padding:0}
p{margin:0 0 1rem}
h1,h2,h3,h4{line-height:1.25;margin:0 0 1rem;font-weight:700;color:var(--text)}
.wrap{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--mint);display:flex;align-items:center;gap:8px;margin-bottom:16px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}
.br{display:block}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:999px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;padding:0 26px;min-height:46px;text-align:center;font-family:inherit}
.btn i{transition:transform .25s ease}
.btn-large{min-height:56px;padding:0 34px;font-size:17px}
.btn-primary{background:var(--gold);color:#231b10;border:1.5px solid var(--gold)}
.btn-primary:hover{background:#f0c264;border-color:#f0c264;color:#19120a;transform:translateY(-2px)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:active{transform:scale(.97)}
.btn-secondary{background:transparent;color:#F7F3E7;border:1.5px solid rgba(242,239,230,.55)}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-secondary:hover i{transform:translateX(3px)}
.btn-secondary:active{transform:scale(.97)}
.btn-dark{background:#101c17;border:1.5px solid var(--line);color:var(--text)}
.btn-dark:hover{border-color:var(--gold);color:var(--gold)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(199,236,111,.6);outline-offset:3px;border-radius:6px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(13,23,19,.78);backdrop-filter:blur(14px);border-bottom:1px solid rgba(43,64,54,.75)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:8px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}
.brand-mark{width:42px;height:42px;border:2px solid var(--gold);border-radius:14px;display:inline-flex;align-items:center;justify-content:center;color:var(--gold);font-size:19px;background:rgba(221,169,75,.12);flex:0 0 auto}
.brand-name{line-height:1.1;display:inline-flex;flex-wrap:wrap;align-items:baseline;gap:2px}
.brand-j9{color:var(--gold);font-size:21px;font-weight:800}
.brand-youhui{color:#F7F3E7;font-size:21px;font-weight:800}
.brand-tip{width:100%;font-size:11px;letter-spacing:.06em;color:var(--muted);font-weight:400;margin-top:4px}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-row{margin-top:10px;padding-bottom:10px}
.chip-wrap{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chip-wrap::-webkit-scrollbar{display:none}
.nav-chip{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;padding:10px 19px;border-radius:999px;font-size:14px;color:var(--muted);border:1.5px solid transparent;background:transparent;transition:all .25s ease}
.nav-chip .chip-dot{width:6px;height:6px;border-radius:50%;background:transparent;transition:background .25s ease}
.nav-chip:hover{color:var(--text);border-color:var(--line);background:rgba(40,57,48,.5)}
.nav-chip.is-active{color:var(--text);border-color:var(--lime);background:rgba(199,236,111,.08)}
.nav-chip.is-active .chip-dot{background:var(--lime)}
@media (max-width:640px){
  .section{padding:60px 0}
  .header-bar{align-items:flex-start}
  .brand-tip{font-size:10px}
  .header-actions{gap:8px}
  .btn{padding:0 18px;min-height:42px}
  .btn-large{min-height:52px;padding:0 25px}
  .cta-hide-sm{display:none!important}
}

/* 分类首屏 */
.cat-banner{position:relative;overflow:hidden;padding:106px 0 96px;background:linear-gradient(90deg,rgba(13,23,19,.92) 0%,rgba(13,23,19,.72) 55%,rgba(13,23,19,.55) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.cat-banner-inner{max-width:920px}
.cat-kicker{display:inline-flex;align-items:center;gap:10px;background:rgba(13,23,19,.72);border:1px solid var(--lime);border-radius:999px;padding:7px 15px;color:var(--lime);font-size:13px;letter-spacing:.06em;margin-bottom:24px}
.cat-kicker i{font-size:15px}
.cat-banner h1{font-size:clamp(2.5rem,7vw,4.4rem);font-weight:800;color:#F7F3E7;letter-spacing:-.02em;margin-bottom:14px}
.cat-banner h1 .brand-line{color:var(--gold);display:block;font-family:inherit}
.cat-banner p.cat-lead{font-size:clamp(1rem,1.6vw,1.16rem);line-height:1.9;color:#CBDACF;max-width:720px;margin-bottom:28px}
.banner-btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:6px}
@media (max-width:640px){
  .cat-banner{padding:62px 0 56px}
  .banner-btns{flex-direction:column}
  .banner-btns .btn{width:100%}
}

/* 内容区通用 */
.cat-hero-clip{background:#0f1c16}
.title-row{max-width:760px;margin-bottom:54px}
.title-row h2{font-size:clamp(1.9rem,4vw,3rem);font-weight:800;letter-spacing:-.02em}
.title-row p{color:var(--muted);font-size:17px}
.lead-note{color:var(--muted);border-left:3px solid var(--gold);padding-left:18px;margin-top:14px}

/* 支持服务总览块 */
.support-intro{display:flex;gap:42px;flex-wrap:wrap;align-items:flex-start}
.support-left{flex:1 1 360px}
.support-left h2{font-size:clamp(1.8rem,3.5vw,2.55rem)}
.issue-list{flex:1 1 360px}
.issue-list ul{list-style:none}
.issue-list li{display:flex;gap:16px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line)}
.issue-list li:last-child{border-bottom:0}
.issue-num{flex:0 0 38px;height:38px;border-radius:50%;background:rgba(199,236,111,.13);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;font-family:Arial,sans-serif}
.issue-item h3{font-size:17px;color:#F7F3E7;margin-bottom:7px}
.issue-item p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}

/* 图文交错 */
.alt-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.alt-grid.reverse .alt-media{order:1}
.alt-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.alt-media img{width:100%;height:100%;object-fit:cover;min-height:260px;transition:transform .6s ease}
.alt-media:hover img{transform:scale(1.04)}
.media-badge{position:absolute;left:20px;bottom:20px;background:rgba(13,23,19,.84);color:var(--lime);border:1px solid rgba(199,236,111,.5);padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600}
.alt-body .step-number{font-size:52px;font-weight:800;font-family:Arial,sans-serif;color:transparent;-webkit-text-stroke:1px rgba(221,169,75,.9);display:block;line-height:1}
.alt-body h2{font-size:clamp(1.6rem,3.2vw,2.2rem);letter-spacing:-.02em;margin:12px 0 14px}
.alt-body p{font-size:16px;color:#BFCBC2;max-width:540px}
.feature-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}
.feature-list li{position:relative;padding-left:26px;color:var(--text);font-size:15px}
.feature-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--lime);position:absolute;left:0;top:0}
.alt-footer{margin-top:18px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.alt-link{font-weight:600}
.alt-link:hover{color:var(--lime)}
.alt-link i{font-size:13px;transition:transform .25s ease}
.alt-link:hover i{transform:translateX(4px)}
@media (max-width:900px){
  .alt-grid{gap:34px}
  .alt-grid,.alt-grid.reverse{grid-template-columns:1fr}
  .alt-grid.reverse .alt-media{order:0}
  .alt-body p{max-width:100%}
}

/* 流程区 */
.process-band{background:#101c17;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.process-band .inner-title{max-width:720px;margin-bottom:48px}
.process-band .inner-title h2{font-size:clamp(1.8rem,3.5vw,2.5rem)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.process-step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;position:relative;transition:border-color .25s ease,transform .3s ease}
.process-step:hover{border-color:var(--gold);transform:translateY(-4px)}
.step-icon{width:46px;height:46px;border-radius:50%;background:rgba(221,169,75,.14);border:1px solid rgba(221,169,75,.45);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px}
.process-step h3{font-size:17px;margin-bottom:9px}
.process-step p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.step-num{position:absolute;right:20px;top:18px;font-family:Arial,sans-serif;font-size:30px;font-weight:800;color:rgba(242,239,230,.09)}
@media (max-width:1024px){
  .process-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .process-grid{grid-template-columns:1fr}
}

/* 相关分类 chips */
.topic-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.topic-chip{display:inline-flex;align-items:center;gap:9px;border:1.5px solid var(--line);background:rgba(20,34,28,.7);border-radius:999px;padding:11px 20px;color:var(--text);font-size:14px;font-weight:500;transition:all .25s ease}
.topic-chip i{color:var(--gold);font-size:12px}
.topic-chip:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.topic-chip.active{border-color:var(--lime);color:var(--lime);background:rgba(199,236,111,.08)}
.topic-chip.active i{color:var(--lime)}

/* FAQ */
.faq-area{background:linear-gradient(180deg,#0D1713, #101c17)}
.faq-accordion{list-style:none;max-width:880px;margin:0 auto}
.faq-accordion .accordion-item{background:var(--panel);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .25s ease}
.faq-accordion .accordion-item:hover{border-color:rgba(221,169,75,.6)}
.faq-accordion .accordion-item.is-active{border-color:var(--mint)}
.accordion-title{display:flex;justify-content:space-between;align-items:center;gap:18px;font-size:17px;font-weight:600;color:var(--text);padding:18px 23px;min-height:56px;line-height:1.5;cursor:pointer}
.accordion-title:hover{color:var(--mint)}
.faq-accordion .accordion-title::after{content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--gold);font-size:18px;flex:0 0 24px;text-align:right;transition:transform .25s ease}
.faq-accordion .accordion-item.is-active>.accordion-title::after{content:"\f068";color:var(--lime)}
.faq-accordion .accordion-content{background:#101c17;border-left:3px solid var(--lime);padding:6px 26px 26px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-accordion .accordion-content p{margin:0 0 8px}
.faq-accordion .accordion-content p:last-child{margin:0}
.faq-guide-link{display:inline-flex;gap:8px;font-weight:600;font-size:14px;margin-top:8px}
.faq-guide-link:hover{color:var(--lime)}
.faq-guide-link i{transition:transform .25s ease}
.faq-guide-link:hover i{transform:translateX(4px)}

/* CTA */
.cta-single{background:linear-gradient(120deg,#2a2412, #3a311d 60%, #27351d),url('/assets/images/backpic/back-1.webp') center/cover;border-top:1px solid rgba(221,169,75,.5);border-bottom:1px solid rgba(221,169,75,.5);padding:92px 0;text-align:center;position:relative}
.cta-single::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(115deg,rgba(13,23,19,.78) 0%,rgba(27,35,21,.55) 100%)}
.cta-single .wrap{position:relative;z-index:2}
.cta-single h2{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;width:min(90%,820px);margin:0 auto 14px}
.cta-single h2 span{color:var(--gold)}
.cta-single p{color:#D4DED6;max-width:600px;margin:0 auto 28px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media (max-width:640px){
  .cta-single{padding:58px 0}
  .cta-btns .btn{width:100%}
  .cta-btns{flex-direction:column}
}

/* footer */
.site-footer{background:#0B130F;border-top:1px solid var(--line);padding:66px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.footer-brand .brand{color:var(--text);margin-bottom:14px}
.footer-brand .brand .brand-tip{display:block;font-family:inherit}
.footer-desc{font-size:14px;color:var(--muted);margin:16px 0 16px;max-width:300px}
.footer-tag{display:flex;flex-wrap:wrap;gap:8px}
.footer-tag li{list-style:none;font-size:12px;border:1px solid var(--line);padding:4px 12px;border-radius:999px;color:var(--muted)}
.footer-head{font-size:15px;color:#F2EFE6;margin-bottom:16px;letter-spacing:.02em}
.footer-links{list-style:none}
.footer-links li{margin-bottom:11px}
.footer-links a{color:var(--muted);font-size:14px;transition:all .2s ease}
.footer-links a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:22px}
.footer-bottom .copy{margin:0;font-size:13px;color:#72857c}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root {
            --bg: #0D1713;
            --panel: #14221C;
            --card: #182720;
            --line: #2B4036;
            --text: #F2EFE6;
            --muted: #A8B6AD;
            --gold: #DDA94B;
            --gold-light: #F2C879;
            --lime: #C7EC6F;
            --mint: #7EE0C2;
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            --transition: all 0.2s ease;
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        p {
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            margin: 0;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text);
        }

        h1 {
            font-size: clamp(2.4rem, 5vw, 4rem);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.8rem, 3.4vw, 2.65rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.3rem, 2vw, 1.5rem);
            font-weight: 700;
        }

        input,
        textarea,
        button {
            font-family: inherit;
            border: 0;
            outline: 0;
        }

        input {
            background: var(--bg);
            border: 1px solid #355043;
            color: var(--text);
            border-radius: 14px;
            height: 46px;
            padding: 0 16px;
            font-size: 15px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        input:focus,
        textarea:focus {
            border-color: var(--lime);
            box-shadow: 0 0 0 3px rgba(199, 236, 111, 0.2);
            outline: 0;
        }

        .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .text-gold {
            color: var(--gold);
        }

        .text-lime {
            color: var(--lime);
        }

        .text-muted {
            color: var(--muted);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 16px 6px 12px;
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            background: rgba(221, 169, 75, 0.07);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 0 4px rgba(221, 169, 75, 0.15);
        }

        .section-sub {
            color: var(--muted);
            font-size: clamp(1rem, 1.6vw, 1.18rem);
            margin-top: 14px;
        }

        a:focus-visible,
        button:focus-visible,
        .nav-chip:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--lime);
            outline-offset: 3px;
            border-radius: 8px;
        }

        /* 按钮组件 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            height: 52px;
            padding: 0 26px;
            border-radius: var(--radius-pill);
            border: 1.5px solid transparent;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
            white-space: nowrap;
        }

        .btn i {
            font-size: 15px;
            transition: transform 0.2s ease;
        }

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

        .btn-primary {
            background: var(--gold);
            color: #121B16;
            border-color: var(--gold);
            box-shadow: 0 10px 24px rgba(221, 169, 75, 0.18);
        }

        .btn-primary:hover {
            filter: brightness(1.06);
            transform: translateY(-2px);
            border-color: var(--gold-light);
            box-shadow: 0 14px 30px rgba(221, 169, 75, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text);
            border-color: rgba(242, 239, 230, 0.45);
        }

        .btn-secondary:hover {
            color: var(--lime);
            border-color: var(--lime);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-sm {
            height: 42px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(13, 23, 19, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .site-header.is-scrolled {
            background: rgba(10, 17, 14, 0.97);
            border-bottom-color: var(--line);
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
        }

        .header-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 0 12px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            color: #101913;
            border-radius: 14px;
            font-size: 20px;
            font-weight: 900;
            box-shadow: 0 6px 18px rgba(221, 169, 75, 0.25);
            transform: rotate(-4deg);
            transition: transform 0.25s ease;
        }

        .brand:hover .brand-mark {
            transform: rotate(0deg) scale(1.04);
        }

        .brand-name {
            display: flex;
            align-items: baseline;
            flex-wrap: wrap;
            gap: 3px;
            font-size: 26px;
            font-weight: 800;
            line-height: 1;
        }

        .brand-j9 {
            color: var(--gold);
        }

        .brand-youhui {
            color: var(--text);
        }

        .brand-tip {
            display: inline-block;
            margin-left: 8px;
            padding-left: 12px;
            border-left: 1px solid var(--line);
            color: var(--muted);
            font-size: 11px;
            font-weight: 500;
            letter-spacing: 0.08em;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-actions .btn {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .header-actions .btn i {
            font-size: 13px;
        }

        .nav-row {
            padding-bottom: 12px;
        }

        .chip-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            padding: 2px 2px 6px;
            scrollbar-width: thin;
            scrollbar-color: var(--line) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .chip-wrap::-webkit-scrollbar {
            height: 4px;
        }

        .chip-wrap::-webkit-scrollbar-thumb {
            background: var(--line);
            border-radius: 4px;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            min-height: 36px;
            padding: 8px 18px;
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            color: var(--muted);
            font-size: 14px;
            line-height: 1.2;
            white-space: nowrap;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
            background: rgba(20, 34, 28, 0.35);
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0.7;
            transition: opacity 0.2s ease, box-shadow 0.2s ease;
        }

        .nav-chip:hover {
            color: var(--text);
            border-color: rgba(199, 236, 111, 0.7);
            background: rgba(199, 236, 111, 0.08);
            transform: translateY(-1px);
        }

        .nav-chip.is-active {
            color: var(--text);
            border-color: var(--lime);
            background: rgba(199, 236, 111, 0.12);
            font-weight: 600;
        }

        .nav-chip.is-active .chip-dot {
            background: var(--lime);
            box-shadow: 0 0 0 4px rgba(199, 236, 111, 0.16);
            opacity: 1;
        }

        /* 分类页 Hero */
        .category-hero {
            position: relative;
            padding: 88px 0 96px;
            background: var(--bg) url("/assets/images/backpic/back-1.webp") no-repeat center center / cover;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(10, 19, 15, 0.97) 0%, rgba(13, 23, 19, 0.86) 45%, rgba(13, 23, 19, 0.46) 100%);
        }

        .category-hero .wrap {
            position: relative;
            z-index: 2;
        }

        .hero-panel {
            position: relative;
            max-width: 440px;
            margin-left: auto;
            border-radius: var(--radius-xl);
            background: rgba(20, 34, 28, 0.94);
            border: 1px solid rgba(221, 169, 75, 0.28);
            padding: 26px 26px 22px;
            box-shadow: 0 16px 38px rgba(0, 0, 0, 0.3);
            backdrop-filter: none;
        }

        .hero-panel::before {
            content: "";
            position: absolute;
            top: 0;
            right: 28px;
            left: 28px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--lime));
            border-radius: 0 0 4px 4px;
        }

        .hero-panel-head {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--gold);
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .hero-panel-head i {
            font-size: 20px;
            color: var(--gold);
        }

        .hero-panel p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 14px;
        }

        .hero-panel-list {
            margin-bottom: 20px;
        }

        .hero-panel-list li {
            position: relative;
            padding: 9px 0 9px 30px;
            color: var(--text);
            font-size: 15px;
            border-bottom: 1px solid rgba(43, 64, 54, 0.8);
        }

        .hero-panel-list li:last-child {
            border-bottom: 0;
        }

        .hero-panel-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 12px;
            position: absolute;
            left: 0;
            top: 13px;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(199, 236, 111, 0.14);
            color: var(--lime);
            border-radius: 50%;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 28px;
        }

        .page-title {
            margin-bottom: 18px;
        }

        .hero-lead {
            max-width: 660px;
            color: #C7D2CB;
            font-size: clamp(1.02rem, 1.8vw, 1.2rem);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .hero-note {
            max-width: 620px;
            color: var(--muted);
            font-size: 14px;
            margin-top: 14px;
            padding-left: 16px;
            border-left: 3px solid rgba(199, 236, 111, 0.8);
        }

        /* 图文内容区 */
        .feature-section {
            padding: 92px 0;
            border-bottom: 1px solid var(--line);
        }

        .feature-alt {
            background: #101B16;
        }

        .feature-copy {
            position: relative;
            padding: 12px 10px 12px 18px;
        }

        .feature-no {
            font-family: Arial, sans-serif;
            font-size: clamp(48px, 7vw, 78px);
            font-weight: 900;
            line-height: 1;
            color: rgba(221, 169, 75, 0.18);
            display: block;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .feature-title {
            margin-bottom: 14px;
            padding-top: 2px;
        }

        .feature-title::before {
            content: "";
            display: block;
            width: 40px;
            height: 4px;
            border-radius: 4px;
            background: var(--lime);
            margin-bottom: 18px;
        }

        .feature-copy p {
            color: var(--muted);
            max-width: 52ch;
            margin-bottom: 18px;
        }

        .feature-list {
            margin-top: 4px;
        }

        .feature-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: #D9E1DC;
            padding: 9px 0;
            font-size: 15px;
            border-bottom: 1px dashed var(--line);
        }

        .feature-list li:last-child {
            border-bottom: 0;
        }

        .feature-list i {
            margin-top: 5px;
            color: var(--mint);
            font-size: 14px;
        }

        .feature-media {
            position: relative;
        }

        .media-frame {
            position: relative;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #101B16;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .media-frame:hover {
            transform: translateY(-4px);
            border-color: rgba(221, 169, 75, 0.65);
        }

        .media-frame img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .media-frame:hover img {
            transform: scale(1.03);
        }

        .media-caption {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--muted);
            font-size: 13px;
            margin-top: 12px;
        }

        .media-caption::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        .reverse.feature-grid {
            flex-direction: row-reverse;
        }

        .txt-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 10px;
            color: var(--lime);
            font-size: 15px;
            font-weight: 600;
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .txt-link i {
            transition: transform 0.2s ease;
        }

        .txt-link:hover {
            color: var(--gold-light);
            border-bottom-color: var(--gold-light);
        }

        .txt-link:hover i {
            transform: translateX(4px);
        }

        /* 功能模块导航 */
        .module-band {
            padding: 92px 0;
            background: var(--panel);
            border-bottom: 1px solid var(--line);
        }

        .module-band-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 34px;
        }

        .module-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .mini-chip {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            background: rgba(13, 23, 19, 0.5);
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }

        .mini-chip i {
            color: var(--gold);
            transition: transform 0.2s ease;
        }

        .mini-chip:hover {
            border-color: var(--lime);
            background: rgba(199, 236, 111, 0.08);
            color: var(--text);
            transform: translateY(-2px);
        }

        .mini-chip:hover i {
            color: var(--lime);
            transform: translateX(3px);
        }

        .mini-chip.is-active {
            border-color: var(--gold);
            background: rgba(221, 169, 75, 0.1);
        }

        /* 静态分类概要 */
        .overview-strip {
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            background: var(--panel);
            padding: 26px 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-top: 34px;
        }

        .overview-item {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1 1 180px;
            min-width: 180px;
        }

        .overview-icon {
            width: 46px;
            height: 46px;
            border-radius: 16px;
            background: rgba(221, 169, 75, 0.12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .overview-item strong {
            display: block;
            font-size: 18px;
            line-height: 1.2;
            margin-bottom: 2px;
            color: var(--text);
        }

        .overview-item span {
            color: var(--muted);
            font-size: 13px;
        }

        /* FAQ */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
            border-bottom: 1px solid var(--line);
        }

        .faq-head {
            max-width: 760px;
            margin-bottom: 40px;
        }

        .accordion-item {
            border: 1px solid var(--line);
            border-radius: 20px !important;
            background: var(--card);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-item.is-active {
            border-color: rgba(199, 236, 111, 0.5);
        }

        .accordion-title {
            position: relative;
            display: flex !important;
            align-items: center;
            justify-content: flex-start;
            min-height: 60px;
            padding: 18px 68px 18px 24px !important;
            background: transparent !important;
            color: var(--text) !important;
            font-size: 17px !important;
            font-weight: 600 !important;
            line-height: 1.5 !important;
            border: 0 !important;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .accordion-title:hover {
            color: var(--gold) !important;
            background: rgba(221, 169, 75, 0.04) !important;
        }

        .accordion-title::after {
            content: "+";
            position: absolute;
            right: 22px;
            top: 50%;
            width: 30px;
            height: 30px;
            transform: translateY(-50%);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(199, 236, 111, 0.1);
            color: var(--lime);
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 15px;
            border-radius: 50%;
            transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }

        .accordion-item.is-active .accordion-title::after {
            content: "\f068";
            background: var(--lime);
            color: #0D1713;
        }

        .accordion-content {
            background: rgba(13, 23, 19, 0.35) !important;
            border-left: 3px solid var(--lime);
            padding: 6px 28px 22px 24px !important;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 0 !important;
            border-bottom: 0 !important;
            border-right: 0 !important;
        }

        .accordion-content p {
            margin-bottom: 10px;
        }

        .faq-more {
            margin-top: 10px;
        }

        .faq-more a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--lime);
            font-size: 14px;
            font-weight: 500;
        }

        .faq-more a:hover {
            color: var(--gold);
        }

        /* CTA */
        .cta-banner {
            padding: 96px 0 104px;
            background: var(--bg);
        }

        .cta-inner {
            position: relative;
            background: linear-gradient(100deg, rgba(170, 118, 38, 0.95), rgba(221, 169, 75, 0.88)), url("/assets/images/backpic/back-3.webp") no-repeat center center / cover;
            border-radius: 28px;
            padding: 64px 56px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .cta-inner::after {
            content: "";
            position: absolute;
            right: -100px;
            top: -100px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 50%;
        }

        .cta-inner .wrap-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .cta-inner h2 {
            color: #14201A;
            font-size: clamp(1.8rem, 3.4vw, 2.7rem);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .cta-inner p {
            color: #28362E;
            font-size: 16px;
            max-width: 640px;
            margin-bottom: 26px;
        }

        .cta-inner .btn-primary {
            background: #0D1713;
            border-color: #0D1713;
            color: #F7E8CB;
            box-shadow: 0 10px 24px rgba(13, 23, 19, 0.22);
        }

        .cta-inner .btn-primary:hover {
            background: #1E2E26;
            border-color: #1E2E26;
        }

        .cta-inner .btn-ghost-line {
            border-color: rgba(13, 23, 19, 0.55);
            color: #14201A;
            background: transparent;
        }

        .cta-inner .btn-ghost-line:hover {
            border-color: #0D1713;
            color: #0D1713;
        }

        .cta-inner .hero-btns {
            margin-top: 0;
        }

        /* Footer */
        .site-footer {
            background: #0A110E;
            border-top: 1px solid var(--line);
            padding: 56px 0 26px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .brand {
            margin-bottom: 14px;
        }

        .footer-brand .brand-name {
            font-size: 24px;
        }

        .footer-desc {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            max-width: 340px;
            margin-bottom: 18px;
        }

        .footer-tag {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tag li {
            padding: 5px 13px;
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            color: #C2D0C7;
            font-size: 12px;
            background: rgba(221, 169, 75, 0.04);
        }

        .footer-head {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.04em;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--line);
        }

        .footer-links li {
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--lime);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(43, 64, 54, 0.7);
        }

        .copy {
            color: #6E8075;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .copy i {
            color: var(--gold);
        }

        /* 响应式 */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .category-hero {
                padding: 72px 0 80px;
            }

            .feature-section {
                padding: 80px 0;
            }
        }

        @media screen and (max-width: 900px) {
            .brand-tip {
                display: none;
            }

            .hero-panel {
                margin-left: 0;
                margin-top: 42px;
                max-width: 620px;
            }

            .module-band-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .feature-grid.reverse {
                flex-direction: row;
            }

            .feature-media {
                margin-top: 32px;
            }

            .feature-grid.reverse .feature-media {
                margin-top: 0;
                margin-bottom: 32px;
            }

            .feature-copy {
                padding-left: 0;
                padding-right: 0;
            }
        }

        @media screen and (max-width: 640px) {
            body {
                font-size: 15px;
            }

            .header-bar {
                padding-top: 14px;
            }

            .brand-name {
                font-size: 21px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                border-radius: 12px;
                font-size: 17px;
            }

            .header-actions .btn {
                height: 40px;
                min-height: 40px;
                padding: 0 16px;
                font-size: 13px;
            }

            .header-actions .btn i {
                font-size: 13px;
            }

            .cta-hide-sm {
                display: none !important;
            }

            .chip-wrap {
                padding-bottom: 8px;
                scrollbar-width: none;
            }

            .chip-wrap::-webkit-scrollbar {
                display: none;
            }

            .category-hero {
                padding: 48px 0 56px;
            }

            .page-title {
                font-size: clamp(1.9rem, 9vw, 2.5rem);
            }

            .feature-section,
            .module-band,
            .faq-section,
            .cta-banner {
                padding: 56px 0;
            }

            .feature-no {
                font-size: 46px;
            }

            .feature-media {
                margin-top: 20px;
            }

            .hero-btns .btn {
                width: 100%;
            }

            .overview-strip {
                flex-direction: column;
                gap: 14px;
            }

            .overview-item {
                min-width: 0;
                flex: 1 1 auto;
            }

            .cta-inner {
                padding: 42px 24px;
                border-radius: 20px;
            }

            .cta-inner p {
                font-size: 15px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .cta-banner {
                padding-bottom: 56px;
            }

            .hero-note {
                font-size: 13px;
            }

            .accordion-title {
                font-size: 16px !important;
                padding: 16px 58px 16px 18px !important;
            }

            .accordion-content {
                padding: 0 18px 18px 16px !important;
            }
        }

        @media screen and (max-width: 420px) {
            .wrap {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-tip {
                display: none;
            }

            .brand-name {
                font-size: 18px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .header-actions .btn {
                padding: 0 14px;
                min-height: 42px;
            }

            .hero-lead {
                font-size: 16px;
            }

            .hero-panel {
                padding: 20px;
            }

            .module-chips {
                flex-direction: column;
                align-items: stretch;
            }

            .mini-chip {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
  --bg0:#0D1713;
  --bg1:#14221C;
  --bg2:#182720;
  --line:#2B4036;
  --line-soft:rgba(255,255,255,.06);
  --text-main:#F2EFE6;
  --text-sub:#A8B6AD;
  --text-mute:#809087;
  --gold:#DDA94B;
  --gold-hover:#EAC468;
  --lime:#C7EC6F;
  --mint:#7EE0C2;
  --danger:#FFB087;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.25);
  --gap-section:96px;
  --gap-vertical:28px;
  --font-base:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-num:Arial Medium,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg0);
  color:var(--text-main);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--lime);text-decoration:none;transition:color .2s, border-color .2s, background .2s}
a:hover,a:focus{color:var(--mint)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,.btn{font-family:inherit}
i{font-style:normal}
::selection{background:rgba(221,169,75,.3);color:#fff}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border-radius:var(--radius-pill);
  border:1.5px solid transparent;
  height:56px;
  padding:0 28px;
  font-weight:600;
  font-size:15px;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
  line-height:1;
}
.btn i{display:inline-block;transition:transform .2s ease}
.btn-primary{background:var(--gold);color:#131A15;border-color:var(--gold)}
.btn-primary i{color:#131A15}
.btn-primary:hover{background:var(--gold-hover);border-color:var(--gold-hover);color:#0D1713;transform:translateY(-3px)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:rgba(242,239,230,.04);color:var(--text-main);border-color:rgba(242,239,230,.4)}
.btn-secondary:hover{background:rgba(242,239,230,.08);border-color:var(--lime);color:var(--lime);transform:translateY(-3px)}
.btn-secondary:hover i{transform:translateX(3px)}
.btn-secondary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-sub)}
.btn-ghost:hover{color:var(--lime);border-color:rgba(201,236,111,.4)}
.btn-sm{height:44px;padding:0 22px;font-size:14px}
.btn-lg{height:60px;padding:0 34px;font-size:16px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600}
.link-arrow i{transition:transform .2s}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(13,23,19,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.site-header .wrap{padding-top:14px;padding-bottom:0}
.header-bar{display:flex;align-items:center;justify-content:space-between;column-gap:20px;min-height:58px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;min-width:0}
.brand-mark{
  width:46px;height:46px;min-width:46px;
  border-radius:50%;
  background:var(--gold);
  color:#0D1713;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:22px;
  box-shadow:0 0 0 6px rgba(221,169,75,.14);
}
.brand-name{display:flex;align-items:baseline;font-weight:700;font-size:24px;line-height:1.2;flex-wrap:wrap}
.brand-j9{color:var(--gold)}
.brand-youhui{color:var(--text-main)}
.brand-tip{
  margin-left:10px;font-size:12px;font-weight:400;color:var(--text-sub);
  letter-spacing:.1em;
  border:1px solid var(--line);
  padding:4px 10px;border-radius:999px;
  white-space:nowrap;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-actions .btn{height:44px;line-height:1;padding:0 20px;font-size:14px}
.nav-row{margin-top:8px;border-top:1px solid var(--line-soft);padding-top:10px;padding-bottom:14px}
.chip-wrap{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.chip-wrap::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
  background:transparent;
  border:1px solid transparent;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  color:var(--text-sub);
  font-size:14px;
  font-weight:500;
  transition:all .2s ease;
  text-decoration:none;
}
.nav-chip .chip-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--line);
  transition:all .2s ease;
}
.nav-chip:hover{color:var(--text-main);border-color:var(--line)}
.nav-chip:hover .chip-dot{background:var(--gold)}
.nav-chip.is-active{
  color:var(--lime);
  border-color:var(--lime);
  background:rgba(201,236,111,.06);
}
.nav-chip.is-active .chip-dot{background:var(--lime)}

/* ---------- 分类 Banner ---------- */
.page-banner{
  position:relative;
  background:url('/assets/images/backpic/back-1.webp') center 45% / cover no-repeat;
  padding:110px 0 96px;
}
.page-banner:before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,23,19,.94) 20%,rgba(13,23,19,.72) 55%,rgba(13,23,19,.5)),linear-gradient(180deg,rgba(13,23,19,.2),rgba(13,23,19,.4));
}
.page-banner .wrap{position:relative;z-index:2}
.page-banner-inner{max-width:760px}
.page-banner-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold);font-size:13px;
  letter-spacing:.16em;
  background:rgba(221,169,75,.1);
  border:1px solid rgba(221,169,75,.3);
  border-radius:999px;
  padding:8px 16px;
  margin-bottom:24px;
  text-transform:uppercase;
}
.page-banner-eyebrow i{color:var(--lime)}
.page-banner h1{
  font-size:clamp(2.5rem,5vw,4.2rem);
  line-height:1.18;
  font-weight:800;
  margin:0 0 22px;
  color:var(--text-main);
  letter-spacing:-.01em;
}
.page-banner h1 .h1-sub{color:var(--gold);display:block;font-size:.55em;font-weight:700;margin-top:6px;letter-spacing:0}
.banner-lead{
  font-size:18px;
  color:var(--text-sub);
  margin-bottom:34px;
  max-width:660px;
  line-height:1.9;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.page-banner .banner-tag{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:10px;
}
.page-banner .banner-tag li{
  padding:6px 14px;
  border-radius:999px;
  background:rgba(242,239,230,.05);
  border:1px solid var(--line);
  color:var(--text-sub);
  font-size:13px;
  display:inline-flex;align-items:center;gap:6px;
}
.page-banner .banner-tag li:before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);
}

/* ---------- 页面通用 Section ---------- */
.page-section{padding:96px 0;position:relative}
.page-section.bg-alt{background:var(--bg1)}
.page-section.bg-card{background:var(--bg2)}
.section-title-wrap{margin-bottom:48px}
.section-title-wrap.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.section-title-wrap h2{
  font-size:clamp(1.9rem,3.4vw,2.7rem);
  font-weight:800;
  line-height:1.3;
  color:var(--text-main);
  margin:10px 0 12px;
}
.section-title-wrap .sub-title{color:var(--text-sub);font-size:17px;line-height:1.9;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  border:1px solid rgba(201,236,111,.25);
  background:rgba(201,236,111,.06);
  padding:7px 14px;
  border-radius:999px;
}
.eyebrow i{color:var(--gold)}

/* ---------- 内容图文交错 ---------- */
.feature-block{padding:112px 0;border-bottom:1px solid var(--line-soft)}
.feature-block:last-of-type{border-bottom:0}
.feature-block:nth-of-type(even) .feature-grid .feature-text{padding-left:0;padding-right:18px}
.feature-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}
.feature-grid .feature-visual{min-width:0}
.feature-grid .feature-text{min-width:0}
.feature-grid.invert .feature-visual{order:-1}
.feature-num{
  font-family:Georgia,"Times New Roman",serif;
  font-size:84px;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px var(--gold);
  opacity:.85;
  letter-spacing:.04em;
  margin-bottom:8px;
}
.feature-block h3{
  font-size:clamp(1.6rem,2.8vw,2.2rem);
  line-height:1.4;
  font-weight:700;
  color:var(--text-main);
  margin:0 0 16px;
}
.feature-block p{color:var(--text-sub);line-height:1.95;margin:0 0 24px}
.feature-list li{
  display:flex;
  gap:12px;
  color:var(--text-sub);
  margin-bottom:14px;
  align-items:flex-start;
  line-height:1.7;
}
.feature-list i{
  display:inline-flex;
  width:24px;height:24px;
  border-radius:50%;
  background:rgba(201,236,111,.14);
  color:var(--lime);
  align-items:center;
  justify-content:center;
  font-size:12px;
  margin-top:4px;
}
.feature-visual{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg2);
  box-shadow:var(--shadow-card);
}
.feature-visual img{
  width:100%;
  min-height:320px;
  object-fit:cover;
  border-radius:var(--radius-lg);
  transition:transform .5s ease;
}
.feature-visual:hover img{transform:scale(1.03)}
.feature-card-body{padding:24px;background:var(--bg2)}
.feature-card-body h4{margin:0 0 8px;color:var(--gold);font-size:18px}
.feature-card-body p{margin:0;color:var(--text-sub);font-size:14px;line-height:1.8}

/* ---------- 指标带 ---------- */
.metrics-band{background:var(--bg1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:72px 0}
.metric-item{
  background:var(--bg2);
  border:1px solid var(--line);
  border-radius:20px;
  padding:32px 26px;
  position:relative;
  overflow:hidden;
  transition:border-color .3s ease,transform .3s ease;
}
.metric-item:hover{border-color:var(--gold);transform:translateY(-4px)}
.metric-item .metric-value{
  display:flex;align-items:baseline;gap:4px;
  font-size:40px;
  font-weight:700;
  color:var(--gold);
  font-family:var(--font-num);
  line-height:1.1;
  margin-bottom:8px;
}
.metric-item .metric-value small{font-size:15px;font-weight:400;color:var(--text-main)}
.metric-item .metric-label{color:var(--text-sub);font-size:14px;line-height:1.7;margin:0}
.metric-item .metric-icon{
  position:absolute;right:-8px;bottom:-12px;
  font-size:64px;opacity:.07;color:var(--lime);
  transform:rotate(-12deg);
}

/* ---------- 支持流程 ---------- */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:48px;
}
.process-item{position:relative}
.process-item:before{
  content:"";
  position:absolute;
  top:28px;
  left:-24px;
  width:calc(100% + 0px);
  border-top:1px dashed rgba(221,169,75,.4);
  z-index:0;
  display:none;
}
.process-item .step-circle{
  width:56px;height:56px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg2);
  border:1px solid var(--gold);
  color:var(--gold);
  font-size:20px;
  font-weight:700;
  font-family:var(--font-num);
  margin-bottom:22px;
  position:relative;
  z-index:1;
}
.process-item .step-circle i{font-size:18px}
.process-item h3{font-size:19px;margin:0 0 10px;font-weight:700}
.process-item p{color:var(--text-sub);font-size:14px;line-height:1.8;margin:0}

/* ---------- 延伸导航 ---------- */
.linkchip-band{background:var(--bg2)}
.linkchip-wrap{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.link-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 22px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg0);
  color:var(--text-main);
  font-size:14px;
  font-weight:600;
  transition:all .25s ease;
}
.link-chip i{color:var(--gold)}
.link-chip:hover{
  border-color:var(--lime);
  color:var(--lime);
  transform:translateY(-3px);
  box-shadow:var(--shadow-card);
}
.link-chip:hover i{color:var(--lime)}

/* ---------- FAQ ---------- */
.faq-section{padding:96px 0;background:var(--bg0)}
.faq-wrap{max-width:880px;margin:0 auto}
.site-faq .accordion{margin:0;background:transparent}
.site-faq .accordion-item{
  background:var(--bg2);
  border:1px solid var(--line);
  border-radius:20px;
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s ease;
}
.site-faq .accordion-item.is-active{border-color:rgba(201,236,111,.4)}
.site-faq .accordion-title{
  padding:20px 58px 20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text-main);
  line-height:1.5;
  position:relative;
  background:transparent;
  border-bottom:1px solid transparent;
  cursor:pointer;
}
.site-faq .accordion-title:hover{background:rgba(221,169,75,.06)}
.site-faq .accordion-item.is-active .accordion-title{border-bottom:1px solid var(--line-soft)}
.site-faq .acc-ico{
  position:absolute;
  right:18px;
  top:50%;
  transform:translateY(-50%);
  width:36px;height:36px;
  border-radius:50%;
  background:var(--bg0);
  border:1px solid var(--line);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-style:normal;
  transition:transform .25s,color .25s,border-color .25s;
}
.site-faq .accordion-item.is-active .acc-ico{
  border-color:var(--lime);color:var(--lime);
  transform:translateY(-50%) rotate(45deg);
}
.site-faq .accordion-content{
  background:rgba(13,23,19,.6);
  padding:22px 30px 26px;
  border-bottom-left-radius:20px;
  border-bottom-right-radius:20px;
  color:var(--text-sub);
  line-height:1.9;
  font-size:15px;
}
.site-faq .accordion-content p:last-child{margin-bottom:0}
.faq-more-link{margin-top:34px;text-align:center}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  border-top:1px solid var(--line);
}
.cta-band:before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(221,169,75,.32),rgba(13,23,19,.9) 72%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:50px;
  padding:84px 0;
}
.cta-copy h2{
  font-size:clamp(1.8rem,3.4vw,2.8rem);
  color:var(--text-main);
  margin:0 0 12px;
  font-weight:800;
}
.cta-copy .cta-brand{color:var(--gold)}
.cta-copy p{color:var(--text-main);margin:0;font-size:16px;opacity:.9;max-width:640px;line-height:1.8}
.cta-actions{flex-shrink:0;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg0);border-top:1px solid var(--line);padding:70px 0 24px}
.site-footer .brand{margin-bottom:18px}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .9fr .9fr 1fr;
  gap:44px;
  margin-bottom:46px;
}
.footer-brand .brand-name{font-size:23px}
.footer-desc{color:var(--text-sub);font-size:14px;line-height:1.9;margin:18px 0}
.footer-tag{display:flex;flex-wrap:wrap;gap:8px}
.footer-tag li{
  padding:5px 12px;
  background:rgba(242,239,230,.05);
  border:1px solid var(--line);
  color:var(--text-sub);
  border-radius:999px;
  font-size:12px;
}
.footer-head{
  color:var(--text-main);
  font-size:16px;
  font-weight:700;
  margin:4px 0 20px;
}
.footer-links li{margin-bottom:12px}
.footer-links a{
  color:var(--text-sub);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:all .2s;
}
.footer-links a:before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--line);
  transition:all .2s;
}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.footer-links a:hover:before{background:var(--lime)}
.footer-links.support-contact{
  color:var(--text-sub);
  font-size:14px;
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  color:var(--text-mute);
  font-size:13px;
}
.copy{margin:0}

/* ---------- 移动端 ---------- */
@media screen and (max-width:1024px){
  .feature-grid{grid-template-columns:1fr;gap:36px}
  .feature-grid.invert .feature-visual{order:0}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:column;padding:64px 0 76px;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .page-banner h1{font-size:3.4rem}
}
@media screen and (max-width:768px){
  :root{--gap-section:64px}
  .page-section,.faq-section{padding:64px 0}
  .feature-block{padding:72px 0}
  .header-actions .btn{padding:0 16px;font-size:13px;height:40px}
  .brand-tip{display:none}
  .nav-chip{height:36px;padding:0 14px}
  .page-banner{padding:72px 0}
  .page-banner h1{font-size:2.6rem}
}
@media screen and (max-width:640px){
  body{font-size:15px}
  .cta-hide-sm{display:none!important}
  .header-actions{gap:8px}
  .header-actions .btn{height:42px;padding:0 14px;font-size:13px}
  .brand-tip{display:none}
  .brand-name{font-size:20px}
  .brand-mark{width:40px;height:40px;min-width:40px;font-size:18px;border-width:4px}
  .btn{height:50px;padding:0 20px;font-size:14px}
  .page-banner{padding:58px 0}
  .page-banner h1{font-size:2.1rem}
  .banner-lead{font-size:15px}
  .feature-grid{gap:28px}
  .feature-visual img{min-height:240px}
  .feature-num{font-size:64px}
  .metrics-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .process-item{border:1px solid var(--line);border-radius:18px;padding:22px}
  .linkchip-wrap{justify-content:flex-start;padding-bottom:8px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-faq .accordion-title{padding-right:52px;font-size:16px}
  .site-faq .accordion-content{padding:16px 20px}
}
@media screen and (max-width:390px){
  .header-actions .btn{padding:0 12px;font-size:12px}
  .nav-chip{font-size:13px;padding:0 10px;height:34px}
  .page-banner h1{font-size:1.9rem}
  .brand-name{font-size:17px}
  .brand-tip{display:none}
}