/* roulang page: index */
:root{
  --paper:#F2EFE8;
  --paper-deep:#E9E4DA;
  --deep:#0F110E;
  --ink:#141611;
  --muted:#6F6E62;
  --line:#DCD7CB;
  --line-deep:#35382F;
  --signal:#FF5A12;
  --signal-dark:#D64302;
  --signal-soft:rgba(255,90,18,0.12);
  --green:#1FAD69;
  --gold:#C9A46A;
  --white:#FFFFFF;
  --distance:1024px;
  --radius:2px;
  --shadow:rgba(20,20,10,0.06);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  margin:0;
  background:var(--deep);
  color:var(--ink);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit;font-size:100%;line-height:1.5;margin:0}
input:focus,button:focus,a:focus{
  outline:2px solid var(--signal);
  outline-offset:2px;
}
input:focus-visible,button:focus-visible,a:focus-visible{
  outline:2px solid var(--signal);
  outline-offline:2px;
}
::selection{background:var(--signal);color:#111}
body.nav-open{overflow:hidden}

/* layout */
.site-sidebar{
  position:fixed;
  top:0;
  bottom:0;
  left:0;
  z-index:60;
  width:248px;
  background:var(--paper);
  border-right:1px solid var(--line);
  transform:translateX(-105%);
  transition:transform .2s ease;
  display:flex;
  flex-direction:column;
}
body.nav-open .site-sidebar{transform:translateX(0)}
.sidebar-main{padding:34px 18px 16px;flex:1}
.brand-block{display:flex;align-items:baseline;gap:10px;padding:0 10px;margin-bottom:36px}
.brand-mark{font-weight:900;font-size:30px;line-height:1;letter-spacing:-.03em;color:var(--ink)}
.brand-sub{font-size:12px;letter-spacing:.08em;color:var(--muted)}
.nav-primary{list-style:none;margin:0 0 32px;padding:0}
.nav-primary li{margin-bottom:2px}
.nav-primary a{
  display:flex;
  align-items:center;
  gap:12px;
  border-left:3px solid transparent;
  padding:10px 14px;
  font-weight:600;
  color:#3B3A32;
  transition:all .2s ease;
}
.nav-primary a:hover{border-left-color:var(--signal);color:var(--ink);background:rgba(255,90,18,.05)}
.nav-primary a.active{border-left-color:var(--signal);color:var(--ink);background:rgba(255,90,18,.08)}
.nav-primary .nav-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center}
.nav-primary .nav-arrow{margin-left:auto;font-size:13px;color:var(--signal);opacity:0;transform:translateX(-4px);transition:.2s}
.nav-primary a:hover .nav-arrow,.nav-primary a.active .nav-arrow{opacity:1;transform:none}
.sidebar-live{
  display:flex;
  align-items:center;
  gap:8px;
  padding:12px 16px;
  margin-left:6px;
  background:rgba(255,90,18,.08);
  border:1px solid rgba(255,90,18,.16);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:.05em;
  border-radius:var(--radius);
}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 2px rgba(31,173,105,.2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* responsive topbar */
.mobile-topbar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:70;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  background:var(--deep);
  border-bottom:1px solid var(--line-deep);
}
.mobile-topbar .mobile-brand{color:#fff;font-weight:900;font-size:22px;letter-spacing:-.02em}
.mobile-topbar .mobile-brand small{display:block;font-size:10px;font-weight:500;color:#9BA07F;letter-spacing:.1em}
.nav-toggle{
  background:transparent;
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  font-size:22px;
  width:42px;height:42px;
  line-height:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  border-radius:0;
  transition:background .2s;
}
.nav-toggle:hover{background:rgba(255,90,18,.2)}
.nav-toggle-close{font-size:22px}
.scrim{
  position:fixed;
  inset:0;
  z-index:55;
  background:rgba(15,17,14,.5);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease;
}
body.nav-open .scrim{opacity:1;pointer-events:auto}

/* main shell */
.main{
  background:var(--paper);
  min-height:100vh;
  margin-left:0;
  padding-top:64px;
}
@media (min-width:1181px){
  .site-sidebar{transform:translateX(0)}
  .mobile-topbar{display:none}
  .scrim{display:none}
  .main{margin-left:248px;padding-top:0}
}
.wrap{max-width:1380px;margin:0 auto;padding:0 48px}
@media (max-width:768px){.wrap{padding:0 22px}}

/* hero */
.kv-stage{
  background-color:var(--deep);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line-deep);
}
.kv-stage::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(15,17,14,.9);
  pointer-events:none;
}
.kv-stage .wrap{
  position:relative;
  z-index:2;
  min-height:calc(100vh - 64px);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  align-items:center;
  gap:24px;
  padding-top:80px;
  padding-bottom:60px;
}
.kv-copy{grid-column:1/9;opacity:0;transform:translateY(14px);transition:opacity .2s ease}
.kv-aside{grid-column:9/-1;opacity:0;transition:opacity .2s}
.kv-stage .kv-copy,.kv-stage .kv-aside{animation:reveal .45s ease forwards}
@keyframes reveal{to{opacity:1;transform:none}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:#B4A99A;text-transform:uppercase;margin:0 0 18px;padding:6px 12px;border:1px solid rgba(255,255,255,.15)}
.hero-eyebrow::before{content:"";width:6px;height:6px;background:var(--signal);flex:none}
.hero-title{
  font-size:clamp(52px,7vw,104px);
  font-weight:900;
  line-height:.96;
  letter-spacing:-.035em;
  margin:0;
  color:#fff;
}
.hero-title .line-2{
  display:table;
  font-weight:900;
  font-size:clamp(38px,4.5vw,72px);
  color:rgba(255,255,255,.9);
  margin-top:8px;
  padding-left:.18em;
  position:relative;
}
.hero-title .line-2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;bottom:.28em;
  width:4px;background:var(--signal);
}
.hero-lead{max-width:560px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.7);margin-top:26px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:26px;margin-top:34px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  font-weight:800;
  font-size:15px;
  line-height:1;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  min-height:48px;
}
.btn svg{width:16px;height:16px;transition:transform .2s ease}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--signal);color:#130E0A;border-color:var(--signal)}
.btn-primary:hover{background:var(--signal-dark);color:#fff;border-color:var(--signal-dark)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:var(--line-deep)}
.btn-ghost:hover{border-color:var(--signal);color:var(--signal)}
.btn-outline-dark{background:transparent;color:var(--ink);border-color:#A5A093}
.btn-outline-dark:hover{color:var(--signal);border-color:var(--signal)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--signal);border-color:var(--signal);color:#130E0A}
.btn-block{width:100%}

/* hero aside */
.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-left:4px solid var(--signal);
  padding:26px 24px;
  backdrop-filter:blur(3px);
}
.panel-label{font-size:12px;letter-spacing:.12em;color:#A9B0A0;margin:0 0 14px;text-transform:uppercase}
.panel-number{font-size:48px;font-weight:900;letter-spacing:-.03em;line-height:.9}
.panel-meta{margin-top:16px;color:rgba(255,255,255,.7);font-size:14px;line-height:1.7}
.panel-meta span{color:#fff;font-weight:700}
.hero-status-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  grid-column:1/-1;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:20px;
  padding-top:18px;
  color:#A9B0A0;
  font-size:13px;
  letter-spacing:.05em;
}
.hero-status-row b{color:#fff}
.hero-status-row .green-dot{width:8px;height:8px;border-radius:50%;background:var(--signal);display:inline-block;margin-right:7px}
@media (max-width:900px){
  .kv-copy{grid-column:1/-1}
  .kv-aside{display:none}
  .kv-stage .wrap{min-height:78vh;padding-bottom:56px}
}

/* common sections */
.section{padding:110px 0;scroll-margin-top:0}
.section-soft{background:var(--paper)}
.section-white{background:#fff}
.section-deep{background:var(--deep);color:#fff}
.paper{background:var(--paper)}
.white{background:#fff}
.section-lead{max-width:800px;margin:0 0 56px}
.section-title{font-size:clamp(30px,4vw,58px);font-weight:900;line-height:1.04;letter-spacing:-.02em;margin:0 0 18px}
.section-title .accent{color:var(--signal)}
.section-num{display:inline-flex;gap:12px;align-items:center;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--signal);margin-bottom:18px}
.section-num::before{content:"/";font-size:20px;font-weight:900}
.section-desc{font-size:17px;color:var(--muted);max-width:780px;margin:0 0 46px;line-height:2}
.section-title-right{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px}
@media(max-width:768px){.section-title-right{flex-direction:column;align-items:flex-start}}

/* channel data row */
.channel-row{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.channel-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-left:1px solid var(--line);
}
.channel-item{padding:26px 28px;border-right:1px solid var(--line)}
.channel-item .ch-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.06em}
.channel-item .ch-value{font-size:clamp(26px,3vw,46px);font-weight:900;line-height:1;color:var(--ink)}
.channel-item .ch-value small{font-size:14px;font-weight:700;color:var(--signal)}
.channel-item .ch-desc{margin-top:8px;font-size:13px;color:var(--muted)}
.channel-item:hover .ch-value{color:var(--signal)}
@media(max-width:900px){.channel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.channel-grid{grid-template-columns:1fr 1fr}.channel-item{padding:20px 18px}}

/* timeline */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:10px;top:14px;bottom:14px;width:1px;background:var(--line)}
.tl-row{position:relative;display:grid;grid-template-columns:80px 210px 1fr auto;gap:20px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line)}
.tl-row:last-child{border-bottom:none}
.tl-row::before{content:"";position:absolute;left:-26px;top:31px;width:17px;height:17px;border-radius:50%;background:var(--white);border:4px solid rgba(31,173,105,.5);box-shadow:0 0 0 5px var(--paper);transition:.2s ease}
.tl-row:hover::before{background:var(--signal);border-color:var(--signal)}
.tl-num{font-size:clamp(36px,5vw,76px);font-weight:900;line-height:.8;color:#C5C1B4;letter-spacing:-.03em}
.tl-title{font-size:20px;font-weight:800;color:var(--ink);line-height:1.3;margin:0 0 6px;transition:transform .2s ease}
.tl-row:hover .tl-title{transform:translateX(4px);color:var(--signal-dark)}
.tl-desc{font-size:15px;color:var(--muted);line-height:1.7;margin:0}
@media(max-width:960px){
  .tl-row{grid-template-columns:56px 1fr;gap:12px 18px}
  .tl-desc{grid-column:2/3;padding-bottom:2px}
}
@media(max-width:560px){
  .timeline{padding-left:16px}
  .tl-row::before{left:-16px}
  .tl-row{grid-template-columns:1fr;gap:10px}
  .tl-desc{grid-column:auto}
  .tl-num{font-size:42px}
  .tl-title{grid-row:2 / auto}
}

/* highlights */
.big-split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px}
.focus-main{background:var(--deep);color:#fff;padding:0}
.focus-media{overflow:hidden;margin:0;border-bottom:1px solid var(--line-deep)}
.focus-media img{width:100%;height:300px;object-fit:cover;filter:grayscale(12%) contrast(1.02);transition:transform .3s ease}
.focus-main:hover .focus-media img{transform:scale(1.02)}
.focus-body{padding:32px}
.focus-tag{font-size:12px;letter-spacing:.12em;color:var(--signal);font-weight:800}
.focus-body h3{font-size:clamp(22px,2.4vw,32px);line-height:1.2;font-weight:900;margin:10px 0 16px}
.focus-body p{color:rgba(255,255,255,.68);font-size:15px;line-height:1.9;margin:0 0 10px}
.focus-more{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:700;font-size:14px;margin-top:14px;padding-bottom:4px;border-bottom:1px solid var(--signal);transition:gap .2s ease,color .2s}
.focus-more:hover{gap:12px;color:var(--signal)}
.focus-side{border-top:1px solid var(--line);display:flex;flex-direction:column}
.side-point{display:grid;grid-template-columns:74px 1fr;gap:0 24px;padding:27px 2px;border-bottom:1px solid var(--line)}
.side-point:last-child{border-bottom:0}
.sp-index{font-size:30px;font-weight:900;color:#C7C0AF;letter-spacing:-.02em;line-height:1.2}
.sp-title{font-size:19px;font-weight:800;line-height:1.25;margin:0 0 7px}
.sp-title .line{display:block;font-size:13px;font-weight:500;color:var(--signal);margin-bottom:3px;letter-spacing:.1em}
.sp-desc{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.sp-right-note{margin-top:24px;padding:18px 0 0;font-size:14px;color:var(--muted)}
.sp-right-note a{color:var(--signal);font-weight:700}
@media(max-width:1080px){.big-split{grid-template-columns:1fr;gap:12px}}
@media(max-width:560px){.side-point{grid-template-columns:1fr;gap:8px}} 

/* tickets */
.plans-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:64px}
.plan-card{
  background:var(--white);
  border:1px solid var(--line);
  padding:36px 32px 32px;
  display:flex;
  flex-direction:column;
  position:relative;
  transition:border-color .2s ease,background .2s ease;
}
.plan-card:hover{border-color:var(--signal)}
.plan-featured{
  background:var(--deep);
  border-color:var(--deep);
  color:#fff;
  margin:-12px 0;
  padding-top:52px;
  padding-bottom:52px;
}
.plan-featured:hover{border-color:var(--signal)}
.plan-name{font-size:22px;font-weight:900;letter-spacing:-.01em;margin:0 0 4px}
.plan-featured .plan-name{color:#fff}
.plan-sub{font-size:14px;color:var(--muted);margin:0 0 26px;min-height:48px;line-height:1.7}
.plan-featured .plan-sub{color:rgba(255,255,255,.62)}
.plan-featured .badge{
  position:absolute;
  top:14px;right:14px;
  background:var(--signal-soft);
  color:var(--signal);
  border:1px solid rgba(255,90,18,.4);
  font-size:11px;
  font-weight:800;
  letter-spacing:.08em;
  padding:4px 10px;
}
.plan-featured .badge-hot{background:var(--signal);color:var(--deep)}
.plan-line{border:none;border-top:1px solid var(--line);margin:6px 0 24px}
.plan-featured .plan-line{border-top-color:var(--line-deep)}
.plan-list{list-style:none;margin:0 0 34px;padding:0}
.plan-list li{
  position:relative;
  padding:6px 0 6px 24px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}
.plan-featured .plan-list li{color:rgba(255,255,255,.75)}
.plan-list li::before{
  content:"";position:absolute;
  left:0;top:15px;
  width:8px;height:8px;
  background:var(--signal);
}
.plan-card .btn{margin-top:auto}
.plan-needed{color:var(--signal);font-weight:800}
@media(max-width:900px){
  .plans-grid{grid-template-columns:1fr;margin-top:36px}
  .plan-featured{margin:14px 0;padding:38px 32px}
}

/* register section */
.register-section{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.register-section::before{
  content:"";
  position:absolute;
  right:-130px;
  bottom:-130px;
  width:420px;height:420px;
  background-image:radial-gradient(circle at center, rgba(255,255,255,.04), transparent 70%);
  pointer-events:none;
}
.reg-grid{display:grid;grid-template-columns:.9fr 1.15fr;gap:76px;align-items:start}
.reg-intro .reg-suffix{font-size:15px;color:rgba(255,255,255,.55);line-height:1.8;margin-top:32px;border-left:3px solid var(--signal);padding-left:20px}
.reg-note-list{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:4px}
.reg-note-list li{padding-left:22px;position:relative;color:rgba(255,255,255,.66);font-size:14px}
.reg-note-list li::before{content:"→";position:absolute;left:0;color:var(--signal);font-weight:800}
.form-card{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}
.form-field label{display:block;font-size:13px;color:rgba(255,255,255,.65);margin-bottom:8px;letter-spacing:.1em;text-transform:uppercase}
.form-field input,.form-field select{
  background:transparent;
  border:none;
  border-bottom:1px solid rgba(255,255,255,.25);
  color:#fff;
  padding:12px 2px;
  width:100%;
  border-radius:0;
  transition:border-color .2s;
}
.form-field input::placeholder{color:rgba(255,255,255,.32)}
.form-field input:focus,.form-field select:focus{outline:none;border-bottom-color:var(--signal);box-shadow:0 1px 0 var(--signal)}
.form-field select option{color:var(--ink);background:var(--white)}
.form-field-full{grid-column:1/-1}
.form-submit{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:10px}
.form-submit .muted-note{font-size:12px;color:rgba(255,255,255,.4);max-width:180px;line-height:1.6}
@media(max-width:900px){.reg-grid{grid-template-columns:1fr;gap:44px}}
@media(max-width:560px){.form-card{grid-template-columns:1fr}.form-field-full,.form-submit{grid-column:auto}}

/* news */
.news-header{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px}
.news-viewall{display:inline-flex;align-items:center;gap:8px;color:var(--signal);font-size:14px;font-weight:700;padding-bottom:4px;border-bottom:2px solid transparent;transition:border-color .2s,gap .2s}
.news-viewall:hover{border-color:var(--signal);gap:12px}
.news-list{border-top:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:1.1fr .15fr .75fr 1fr 160px;gap:20px;align-items:center;padding:22px 8px;border-bottom:1px solid var(--line);transition:background .2s}
.news-row:hover{background:rgba(255,90,18,.04)}
.news-cat{display:inline-flex;align-items:center;justify-content:flex-start;font-size:13px;letter-spacing:.08em;color:var(--signal);font-weight:800}
.news-cat::before{content:"";width:7px;height:7px;background:var(--signal);display:inline-block;margin-right:8px}
.news-date{font-size:13px;color:var(--muted)}
.news-title{font-weight:800;font-size:18px;line-height:1.4;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-title:hover{color:var(--signal-dark)}
.news-desc{font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-pic{width:96px;height:64px;object-fit:cover;border:1px solid var(--line)}
.news-arrow{font-size:28px;color:#D3CEC1;text-align:right}
.news-row:hover .news-arrow{color:var(--signal);transform:translateX(5px);transition:.2s}
@media(max-width:1000px){
  .news-row{grid-template-columns:1fr 1fr;gap:6px 20px}
  .news-tag,.news-title,.news-desc,.news-date{grid-column:auto}
  .news-pic{display:none}
}
.news-empty{
  border:1px dashed var(--line);
  background:#F8F4EC;
  padding:70px 20px;
  text-align:center;
  color:var(--muted);
  font-size:15px;
  display:grid;
  align-items:center;
  justify-content:center;
}
.news-empty::before{content:"";width:38px;height:38px;margin:0 auto 12px;display:block;opacity:.3;border-right:1.5px solid var(--deep);border-bottom:1.5px solid var(--deep);transform:rotate(45deg)}

/* FAQ */
.faq-wrap{max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-item summary{
  cursor:pointer;
  position:relative;
  list-style:none;
  font-size:18px;
  font-weight:800;
  padding:22px 54px 22px 0;
  line-height:1.4;
  min-height:48px;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:2px;top:50%;
  transform:translateY(-50%);
  width:32px;height:32px;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  font-size:22px;
  font-weight:500;
  color:var(--muted);
  transition:all .2s ease;
}
.faq-item[open] summary{color:var(--signal-dark)}
.faq-item[open] summary::after{content:"×";border-color:var(--signal);color:var(--signal);transform:translateY(-50%) rotate(0deg)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.95;color:var(--muted);max-width:840px}

/* inner CTA band */
.band-cta{background:var(--signal);color:var(--deep);display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 42px;margin-bottom:88px;border:1px solid var(--signal)}
.band-cta h3{font-size:clamp(22px,2.8vw,36px);font-weight:900;line-height:1.15;margin:0}
.band-cta p{color:rgba(20,22,17,.8);margin:.6rem 0 0;font-size:15px}
.band-cta .btn-ghost{border-color:var(--ink);color:var(--ink)}
.band-cta .btn-ghost:hover{border-color:#fff;background:#fff}
@media(max-width:720px){.band-cta{flex-direction:column;align-items:flex-start;padding:28px}}

/* footer */
.site-footer{position:relative;background:var(--deep);color:rgba(255,255,255,.72);border-top:1px solid var(--line-deep);padding:54px 0 42px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:60px}
.footer-brand .brand-mark{color:#fff;font-size:34px}
.footer-brand .brand-tagline{font-size:13px;color:rgba(255,255,255,.45);margin-top:10px;max-width:300px}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 18px;font-weight:800;letter-spacing:.1em}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-links a{font-size:15px;color:rgba(255,255,255,.7);transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--signal);padding-left:5px}
.footer-meta{border-top:1px solid var(--line-deep);margin-top:44px;padding-top:26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45)}
@media(max-width:960px){.footer-grid{grid-template-columns:1fr 1fr;gap:38px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* reveal */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.fade-up.fade-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  body{scroll-behavior:auto}
}
@media(max-width:1024px){
  .section{padding:80px 0}
}
@media(max-width:560px){
  .section{padding:64px 0}
  .section-desc{font-size:16px}
  .footer-meta{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root {
      --ink: #141611;
      --paper: #F2EFE8;
      --night: #0F110E;
      --muted: #6F6E62;
      --line: #DCD7CB;
      --line-dark: #35382F;
      --accent: #FF5A12;
      --accent-deep: #D64302;
      --accent-soft: rgba(255, 90, 18, 0.12);
      --gold: #C9A46A;
      --green: #1FAD69;
      --radius: 2px;
      --shadow: 0 12px 40px rgba(20, 20, 10, 0.06);
      --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      --sidebar-w: 248px;
    }
    *,
    *:before,
    *:after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      font-family: var(--font);
      background: var(--paper);
      color: var(--ink);
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    img {
      max-width: 100%;
      display: block;
    }
    button {
      font: inherit;
      border: 0;
      background: none;
      cursor: pointer;
    }

    /* ===== 侧栏 ===== */
    .site-sidebar {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: var(--sidebar-w);
      background: var(--night);
      color: var(--paper);
      z-index: 80;
      display: flex;
      flex-direction: column;
      padding: 28px 16px 22px;
      border-right: 1px solid rgba(220, 215, 203, 0.08);
    }
    .sidebar-main {
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .brand-block {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 0 12px 26px;
      border-bottom: 1px solid var(--line-dark);
      margin-bottom: 22px;
    }
    .brand-mark {
      font-size: 26px;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.1;
      color: #fff;
    }
    .brand-sub {
      font-size: 10px;
      letter-spacing: 0.22em;
      color: #8E8F83;
      font-weight: 600;
      text-transform: uppercase;
    }
    .nav-primary {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .nav-primary a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 11px 12px;
      border-left: 3px solid transparent;
      color: #B9BBAE;
      font-size: 14px;
      font-weight: 600;
      transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }
    .nav-primary a:hover {
      color: #fff;
      border-left-color: var(--accent);
    }
    .nav-primary a.active {
      color: #fff;
      border-left-color: var(--accent);
      background: rgba(255, 90, 18, 0.08);
    }
    .nav-icon {
      width: 18px;
      color: var(--accent);
      font-size: 15px;
      flex: none;
    }
    .nav-arrow {
      margin-left: auto;
      opacity: 0;
      transform: translateX(-4px);
      transition: opacity 0.2s, transform 0.2s;
    }
    .nav-primary a:hover .nav-arrow {
      opacity: 1;
      transform: none;
    }
    .sidebar-live {
      margin-top: auto;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 12px 0;
      color: #8E8F83;
      font-size: 12px;
      border-top: 1px solid var(--line-dark);
    }
    .live-dot {
      width: 7px;
      height: 7px;
      background: var(--green);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(31, 173, 105, 0.12);
    }

    /* ===== 主内容 ===== */
    .site-main {
      margin-left: var(--sidebar-w);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      background: var(--paper);
    }
    .wrap {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    .mobile-topbar {
      display: none;
    }
    .page-mask {
      display: none;
    }

    /* ===== 文章头图 ===== */
    .article-masthead {
      position: relative;
      background: var(--night);
      color: #F2EFE8;
      overflow: hidden;
      padding: 92px 0 74px;
    }
    .article-masthead:before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center 20%;
      opacity: 0.18;
      filter: grayscale(1);
    }
    .article-masthead:after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(15, 17, 14, 0.98) 0%, rgba(15, 17, 14, 0.72) 70%, rgba(15, 17, 14, 0.3) 100%);
    }
    .article-masthead .inner {
      position: relative;
      z-index: 2;
      max-width: 980px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .article-crumbs {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: #A6A899;
      margin-bottom: 36px;
    }
    .article-crumbs a {
      transition: color 0.2s;
    }
    .article-crumbs a:hover {
      color: var(--accent);
    }
    .article-cat-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: #FF8C55;
      border: 1px solid rgba(255, 90, 18, 0.5);
      background: rgba(255, 90, 18, 0.06);
      padding: 5px 14px;
      border-radius: 2px;
      margin-bottom: 20px;
    }
    .article-masthead h1 {
      font-size: clamp(32px, 4.8vw, 52px);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: -0.02em;
      margin: 0 0 22px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 13px;
      color: #B8B9AB;
    }
    .meta-dot {
      width: 3px;
      height: 3px;
      border-radius: 50%;
      background: #7C7D72;
    }
    .article-meta strong {
      color: #E4E4D8;
      font-weight: 700;
    }

    /* ===== 正文区 ===== */
    .article-main {
      flex: 1;
    }
    .article-shell {
      max-width: 780px;
      margin: 0 auto;
      padding: 54px 24px 66px;
    }
    .article-panel {
      background: #ffffff;
      padding: 56px 52px 46px;
      border-top: 4px solid var(--accent);
      border-left: 1px solid rgba(215, 210, 199, 0.8);
      border-right: 1px solid rgba(215, 210, 199, 0.8);
      border-bottom: 1px solid rgba(215, 210, 199, 0.8);
    }
    .article-body {
      color: var(--ink);
      font-size: 16.5px;
      line-height: 1.95;
      word-break: break-word;
    }
    .article-body > :first-child {
      margin-top: 0;
    }
    .article-body p {
      margin: 0 0 26px;
    }
    .article-body h2 {
      font-size: clamp(22px, 2.4vw, 30px);
      line-height: 1.24;
      font-weight: 800;
      letter-spacing: -0.01em;
      margin: 42px 0 18px;
    }
    .article-body h3 {
      font-size: 20px;
      line-height: 1.4;
      font-weight: 700;
      margin: 34px 0 14px;
    }
    .article-body h4 {
      font-size: 17px;
      font-weight: 700;
      margin: 28px 0 10px;
    }
    .article-body blockquote {
      margin: 32px 0;
      padding: 14px 22px;
      background: var(--accent-soft);
      border-left: 3px solid var(--accent);
      color: #3D3E36;
      border-radius: 0 2px 2px 0;
    }
    .article-body ul,
    .article-body ol {
      margin: 0 0 24px;
      padding-left: 24px;
    }
    .article-body li {
      padding-left: 2px;
      margin: 8px 0;
    }
    .article-body a {
      color: var(--accent-deep);
      border-bottom: 1px solid rgba(214, 67, 2, 0.3);
      transition: border-color 0.2s, color 0.2s;
    }
    .article-body a:hover {
      border-bottom-color: var(--accent-deep);
    }
    .article-body img {
      border-radius: 2px;
      margin: 32px auto;
    }
    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 28px 0;
      font-size: 15px;
    }
    .article-body th,
    .article-body td {
      padding: 12px 14px;
      border: 1px solid var(--line);
      text-align: left;
    }
    .article-body th {
      background: var(--paper);
      font-weight: 700;
    }

    .article-end-line {
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      font-size: 13px;
      color: var(--muted);
      text-align: right;
    }

    /* ===== 文章底部导航 ===== */
    .article-bottom {
      max-width: 780px;
      margin: 0 auto;
      padding: 6px 24px 26px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 16px;
    }
    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 700;
      color: var(--ink);
      transition: color 0.2s, transform 0.2s;
    }
    .back-link:hover {
      color: var(--accent-deep);
      transform: translateX(-3px);
    }

    .article-next {
      max-width: 900px;
      margin: 36px auto 0;
      padding: 0 24px;
    }
    .article-next .panel {
      background: #ffffff;
      border: 1px solid rgba(215, 210, 199, 0.7);
      padding: 28px 32px 12px;
    }
    .next-title {
      font-size: 16px;
      font-weight: 800;
      margin: 0 0 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .next-title span {
      color: var(--accent);
    }
    .next-list {
      list-style: none;
      padding: 0;
      margin: 12px 0 0;
    }
    .next-list li {
      border-bottom: 1px solid var(--line);
    }
    .next-list li:last-child {
      border-bottom: 0;
    }
    .next-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 15px 2px;
      color: var(--ink);
      transition: color 0.2s, padding-left 0.2s;
    }
    .next-list a:hover {
      padding-left: 10px;
      color: var(--accent-deep);
    }
    .next-list strong {
      font-size: 15px;
      font-weight: 700;
    }
    .next-list span {
      font-size: 14px;
      color: var(--muted);
      flex: none;
    }

    .article-cross {
      padding: 60px 0 70px;
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
    }
    .cross-banner {
      margin: 0 24px;
      background: var(--night);
      display: grid;
      grid-template-columns: 1.3fr 1fr;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .cross-copy {
      padding: 38px 38px 34px;
      color: #F2EFE8;
    }
    .cross-copy .eyebrow {
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.12em;
      color: #FF8C55;
      display: inline-block;
      margin-bottom: 14px;
    }
    .cross-copy h2 {
      font-size: clamp(22px, 3vw, 32px);
      line-height: 1.18;
      font-weight: 900;
      margin: 0 0 12px;
    }
    .cross-copy p {
      color: #B8BBAE;
      font-size: 14px;
      margin: 0 0 24px;
      max-width: 460px;
    }
    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: #15170F;
      font-weight: 800;
      font-size: 14px;
      padding: 13px 22px;
      border-radius: 2px;
      transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }
    .btn-primary:hover {
      background: #ff6e2f;
      transform: translateY(-1px);
      box-shadow: 0 6px 22px rgba(255, 90, 18, 0.18);
    }
    .btn-primary:focus-visible {
      outline: 3px solid rgba(255, 90, 18, 0.35);
      outline-offset: 2px;
    }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(242, 239, 232, 0.4);
      color: #F2EFE8;
      font-size: 14px;
      font-weight: 700;
      padding: 13px 20px;
      border-radius: 2px;
      transition: border-color 0.2s, color 0.2s, background 0.2s;
    }
    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(255, 90, 18, 0.08);
    }
    .btn-ghost:focus-visible {
      outline: 3px solid rgba(255, 90, 18, 0.28);
      outline-offset: 2px;
    }
    .cross-thumb {
      background: url('/assets/images/coverpic/cover-7.png') center / cover no-repeat;
      min-height: 280px;
      position: relative;
    }
    .cross-thumb:after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(15, 17, 14, 0.16), transparent);
    }

    /* ===== 空状态 ===== */
    .empty-panel {
      background: #ffffff;
      border: 1px solid rgba(215, 210, 199, 0.8);
      padding: 78px 30px;
      text-align: center;
    }
    .empty-code {
      font-size: clamp(60px, 10vw, 120px);
      font-weight: 900;
      letter-spacing: -0.04em;
      line-height: 1;
      color: var(--line);
    }
    .empty-panel h2 {
      font-size: 24px;
      font-weight: 900;
      margin: 22px 0 8px;
    }
    .empty-panel p {
      color: var(--muted);
      max-width: 440px;
      margin: 0 auto 26px;
      font-size: 15px;
    }
    .btn-dark {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--night);
      color: #F2EFE8;
      padding: 13px 24px;
      font-weight: 800;
      border-radius: 2px;
      font-size: 14px;
      transition: background 0.2s, transform 0.2s;
    }
    .btn-dark:hover {
      background: var(--accent-deep);
      transform: translateY(-1px);
    }
    .btn-dark:focus-visible {
      outline: 3px solid rgba(214, 67, 2, 0.3);
      outline-offset: 2px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--night);
      color: #B8BBAE;
      padding: 58px 0 26px;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand .brand-mark {
      font-size: 25px;
      color: #fff;
    }
    .brand-tagline {
      margin: 12px 0 0;
      color: #8E8F83;
      font-size: 13px;
      max-width: 320px;
    }
    .footer-col h4 {
      color: #F2EFE8;
      font-size: 15px;
      font-weight: 800;
      margin: 0 0 16px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #9EA092;
      font-size: 14px;
      transition: color 0.2s, padding-left 0.2s;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-meta {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
      color: #74756B;
    }

    /* ===== 移动端 ===== */
    .mobile-topbar {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 58px;
      background: var(--night);
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      z-index: 100;
      color: #fff;
    }
    .mobile-brand {
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.01em;
    }
    .menu-btn {
      width: 42px;
      height: 38px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 6px;
      align-items: flex-end;
    }
    .menu-btn span {
      height: 2px;
      width: 24px;
      background: #F2EFE8;
      display: block;
      transition: 0.2s;
    }
    .menu-btn span:nth-child(2) {
      width: 16px;
    }
    .menu-btn:hover span:nth-child(2) {
      width: 24px;
    }
    .page-mask {
      position: fixed;
      inset: 0;
      background: rgba(15, 17, 14, 0.64);
      z-index: 70;
      display: none;
    }
    body.has-menu .page-mask {
      display: block;
    }
    body.has-menu .site-sidebar {
      transform: none;
    }

    .reveal {
      opacity: 0;
      transform: translateY(8px);
      transition: opacity 0.24s ease, transform 0.24s ease;
    }
    .is-visible {
      opacity: 1;
      transform: none;
    }

    @media (max-width: 1023px) {
      .site-sidebar {
        transform: translateX(-100%);
        transition: transform 0.24s ease;
        width: min(86vw, 320px);
      }
      .site-main {
        margin-left: 0;
      }
      .mobile-topbar {
        display: flex;
      }
      .article-masthead {
        padding: 88px 0 52px;
      }
      .article-shell {
        padding: 38px 16px 42px;
      }
      .article-panel {
        padding: 38px 22px 30px;
      }
      .article-cross {
        padding: 28px 0 54px;
      }
      .cross-banner {
        grid-template-columns: 1fr;
        margin: 0 12px;
      }
      .cross-thumb {
        min-height: 190px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 640px) {
      .article-masthead h1 {
        font-size: 30px;
      }
      .article-shell {
        padding: 26px 8px 34px;
      }
      .article-panel {
        padding: 28px 18px 22px;
      }
      .article-next .panel {
        padding: 20px 18px 10px;
      }
      .next-list a {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
      }
      .footer-meta {
        flex-direction: column;
      }
      .footer-brand .brand-tagline {
        max-width: 100%;
      }
    }

/* roulang page: category1 */
:root{
  --page-bg:#F2EFE8;
  --dark:#0F110E;
  --panel:#FFFFFF;
  --ink:#141611;
  --muted:#6F6E62;
  --line:#DCD7CB;
  --dark-line:#35382F;
  --accent:#FF5A12;
  --accent-deep:#D64302;
  --accent-soft:rgba(255,90,18,.12);
  --gold:#C9A46A;
  --success:#1FAD69;
  --white:#FFFFFF;
  --radius:2px;
  --shadow-sm:0 8px 24px rgba(20,20,10,.06);
  --ease:cubic-bezier(.25,.7,.3,1);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--page-bg);
  color:var(--ink);
  font-family:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.site-sidebar{
  position:fixed;
  z-index:80;
  top:0;left:0;
  width:248px;
  height:100vh;
  background:var(--dark);
  color:rgba(255,255,255,.9);
  display:flex;
  flex-direction:column;
}
.sidebar-head{
  padding:26px 22px 16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-block{
  display:flex;
  align-items:center;
  gap:12px;
  width:max-content;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--accent);
  color:#141110;
  font-size:18px;
  font-weight:900;
  letter-spacing:-.02em;
  padding:7px 12px 6px;
  line-height:1;
}
.brand-sub{
  display:block;
  color:rgba(255,255,255,.42);
  font-size:9px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:600;
  margin-top:4px;
}
.sidebar-body{
  flex:1;
  overflow-y:auto;
  padding:18px 14px 28px;
  display:flex;
  flex-direction:column;
  gap:28px;
}
.nav-primary{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.nav-primary li > a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 13px;
  color:rgba(255,255,255,.62);
  font-weight:500;
  border-left:3px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav-icon{
  width:18px;
  text-align:center;
  font-size:15px;
  opacity:.9;
}
.nav-arrow{
  margin-left:auto;
  font-size:13px;
  opacity:0;
  transform:translateX(-4px);
  transition:.2s ease;
}
.nav-primary li > a:hover{
  color:#fff;
  background:rgba(255,255,255,.06);
  border-left-color:var(--accent);
}
.nav-primary li > a.active{
  color:#fff;
  background:rgba(255,255,255,.07);
  border-left-color:var(--accent);
  font-weight:600;
}
.nav-primary li > a.active .nav-arrow{
  opacity:.7;
  transform:none;
}
.sidebar-live{
  margin-top:auto;
  padding:13px 14px;
  display:flex;
  align-items:center;
  gap:9px;
  color:rgba(255,255,255,.55);
  font-size:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06);
}
.live-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 3px rgba(31,173,105,.18);
  flex:0 0 auto;
}
.menu-trigger{
  display:none;
  background:none;
  border:0;
  padding:0;
  cursor:pointer;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:2px;
  transition:background .2s ease;
}
.menu-trigger span{
  display:block;
  width:19px;height:2px;
  background:#fff;
  margin:3px auto;
  transition:.2s var(--ease);
}
.menu-trigger:hover{background:rgba(255,255,255,.08)}
@media (max-width:1023px){
  body.menu-open{overflow:hidden}
  .site-sidebar{
    width:100%;
    height:56px;
    align-items:flex-start;
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .sidebar-head{
    width:100%;
    height:56px;
    padding:0 16px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    border-bottom:0;
  }
  .brand-mark{
    font-size:16px;
    padding:6px 11px 5px;
  }
  .brand-sub{display:none}
  .menu-trigger{display:flex}
  .sidebar-body{
    position:absolute;
    width:100%;
    height:calc(100vh - 56px);
    top:56px;left:0;
    padding:26px 22px 40px;
    background:var(--dark);
    opacity:0;
    visibility:hidden;
    transform:translateY(8px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  body.menu-open .site-sidebar{
    height:100vh;
    box-shadow:0 20px 60px rgba(0,0,0,.3);
  }
  body.menu-open .sidebar-body{
    opacity:1;
    visibility:visible;
    transform:none;
  }
}
@media (max-width:380px){
  .site-sidebar .sidebar-body{padding:20px 16px}
}

.site-main{
  margin-left:248px;
  min-height:70vh;
}
.wrap{
  width:min(1160px,calc(100% - 64px));
  margin:0 auto;
}
.site-footer{
  margin-left:248px;
  background:var(--white);
  border-top:1px solid var(--line);
  padding:48px 0 30px;
  color:var(--muted);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:48px;
}
.footer-brand .brand-tagline{
  margin:14px 0 0;
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
}
.footer-brand .brand-mark{
  width:max-content;
  background:var(--dark);
  color:#fff;
}
.footer-col h4{
  font-size:13px;
  color:var(--ink);
  margin:0 0 14px;
  font-weight:700;
  letter-spacing:.06em;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.footer-links a{
  color:var(--muted);
  font-size:13px;
  transition:color .2s,transform .2s;
  display:inline-block;
}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.footer-meta{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--muted);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:11px;
  padding:12px 26px;
  font-weight:700;
  font-size:14px;
  line-height:1;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s var(--ease);
}
.btn span.arr{
  display:inline-block;
  transition:transform .2s var(--ease);
}
.btn:hover span.arr{transform:translateX(4px)}
.btn-primary{
  background:var(--accent);
  color:#191711;
}
.btn-primary:hover{
  background:var(--accent-deep);
  color:#fff;
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.24);
  color:#fff;
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:#fff;
  background:rgba(255,90,18,.15);
}
.btn-ghost:hover span.arr{transform:translateX(4px)}
.btn-light{
  background:var(--white);
  color:var(--ink);
  border-color:var(--white);
}
.btn-light:hover{background:#F2EFE8}
@media (max-width:1023px){
  .site-main,.site-footer{margin-left:0}
  .wrap{width:min(100% - 40px,1200px)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .title-xl{font-size:clamp(40px,10vw,64px)!important}
  .hero-main h1{font-size:clamp(40px,10vw,72px)!important}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .footer-meta{flex-direction:column;gap:6px}
  .wrap{width:calc(100% - 32px)}
  .btn{width:100%}
}

/* hero */
.cat-hero{
  background-color:var(--dark);
  color:#fff;
  padding:110px 0 90px;
  position:relative;
  overflow:hidden;
}
.cat-hero .bg-layer{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center 20%;
  opacity:.22;
  pointer-events:none;
}
.cat-hero .bg-layer::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,#0F110E 30%,rgba(15,17,14,.68) 70%,rgba(15,17,14,.35));
}
.hero-kv{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
  gap:48px;
  align-items:end;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:18px;
}
.hero-kicker::before{
  content:"";
  display:inline-block;
  width:10px;height:10px;
  background:var(--accent);
}
.title-h1{
  margin:0;
  font-size:clamp(44px,7vw,96px);
  line-height:.98;
  font-weight:900;
  letter-spacing:-.02em;
}
.h1-caption{
  display:block;
  font-size:.42em;
  color:var(--accent);
  margin-top:12px;
}
.hero-lead{
  margin:28px 0 34px;
  max-width:520px;
  font-size:16px;
  color:rgba(255,255,255,.7);
}
.hero-line{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  align-items:center;
  color:rgba(255,255,255,.48);
  font-size:12px;
}
.hero-line b{
  color:#fff;
  font-weight:600;
}
.h-meta{
  padding:24px 0 4px;
  border-top:1px solid var(--dark-line);
}
.h-meta p{
  margin:0;
  font-size:14px;
  color:rgba(255,255,255,.68);
  line-height:2;
}
.h-meta strong{
  display:block;
  color:#fff;
  font-size:15px;
  font-weight:600;
}

/* section header */
.sec-block{
  padding:92px 0;
}
.sec-block.alt{
  background:#ffffff;
}
.block-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  border-bottom:1px solid var(--line);
  padding-bottom:24px;
  gap:40px;
}
.block-no{
  display:block;
  font-size:13px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:.14em;
  margin-bottom:10px;
}
.block-head h2{
  font-size:clamp(28px,4vw,52px);
  margin:0;
  line-height:1.05;
  font-weight:900;
  letter-spacing:-.02em;
}
.block-head p{
  max-width:380px;
  margin:0 0 4px;
  font-size:14px;
  color:var(--muted);
}
/* quick counts */
.quick-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.q-item{
  padding:34px 24px 32px 0;
  border-right:1px solid var(--line);
}
.q-item:last-child{border-right:0}
.q-item h3{margin:0 0 6px;font-size:13px;color:var(--muted);font-weight:500}
.q-item strong{font-size:26px;font-weight:900;color:var(--ink);display:block;letter-spacing:-.02em}
.q-item span{font-size:12px;color:var(--muted);display:block;margin-top:6px}
/* flow */
.step-list{
  margin-top:54px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
}
.step-item{
  position:relative;
  padding:4px 36px 8px 0;
}
.step-item::before{
  content:attr(data-index);
  display:block;
  font-size:clamp(60px,9vw,90px);
  line-height:1;
  font-weight:900;
  color:transparent;
  -webkit-text-stroke:1px var(--line);
  margin-bottom:28px;
  letter-spacing:-.03em;
}
.step-item h3{
  margin:0 0 12px;
  font-size:18px;
  color:var(--ink);
  font-weight:700;
  line-height:1.5;
  transition:transform .2s var(--ease);
}
.step-item:hover h3{transform:translateX(4px)}
.step-item p{
  margin:0;
  font-size:13px;
  line-height:1.9;
  color:var(--muted);
}
.step-note{
  margin-top:46px;
  display:flex;
  gap:18px;
  align-items:center;
  background:rgba(255,90,18,.08);
  padding:16px 20px;
  border-left:3px solid var(--accent);
  font-size:13px;
  color:#4a3728;
}
@media (max-width:900px){
  .quick-row{grid-template-columns:repeat(2,1fr)}
  .q-item:nth-child(2){border-right:0}
  .q-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .step-list{grid-template-columns:repeat(2,1fr);gap:44px 28px}
  .step-item{padding-right:0}
  .hero-kv{grid-template-columns:1fr}
  .block-head{flex-direction:column;align-items:start}
}
/* duofeature */
.duo-feature{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:60px;
  align-items:center;
  padding:90px 0;
  border-bottom:1px solid var(--line);
}
.duo-feature:last-child{border-bottom:0}
.duo-feature.rev{direction:rtl}
.duo-feature.rev .feature-copy{direction:ltr}
.feature-media{
  overflow:hidden;
  background:#d7d1c5;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:4/3;
  filter:saturate(.86) contrast(.98);
}
.feature-copy h3{
  margin:0 0 10px;
  font-size:18px;
  color:var(--accent);
  font-weight:600;
  letter-spacing:.06em;
}
.feature-copy h2{
  margin:0 0 24px;
  font-size:clamp(25px,3vw,40px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
}
.feature-copy p{
  margin:0 0 22px;
  font-size:14px;
  color:var(--muted);
}
.point-list{
  list-style:none;
  margin:0 0 32px;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.point-list li{
  position:relative;
  padding-left:26px;
  font-size:14px;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:.58em;
  width:9px;height:9px;
  background:var(--accent);
}
/* plan */
.plan-grid{
  margin-top:64px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  align-items:stretch;
}
.plan-card{
  background:#f4f1ea;
  padding:30px 26px 36px;
  border:1px solid var(--line);
  display:flex;
  flex-direction:column;
}
.plan-card strong{
  display:block;
  font-size:18px;
  color:var(--ink);
}
.plan-card .plan-tagline{
  display:block;
  margin:8px 0 24px;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}
.plan-card ul{
  list-style:none;
  margin:0 0 28px;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.plan-card li{
  position:relative;
  padding-left:18px;
  font-size:13px;
  color:#45463f;
}
.plan-card li::before{
  content:"";
  position:absolute;
  left:0;top:.61em;
  width:7px;height:7px;
  background:var(--accent);
}
.plan-card .btn-light{
  background:#fff;
  border-color:var(--ink);
  color:var(--ink);
  margin-top:auto;
}
.plan-card .btn-light:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:#16150f;
}
.plan-card.featured{
  background:var(--dark);
  border-color:var(--dark);
  color:#fff;
  position:relative;
}
.plan-card.featured::before{
  content:"热门推荐";
  display:inline-block;
  width:max-content;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  padding:8px 12px;
  line-height:1;
  border-radius:2px;
  margin-bottom:18px;
  border:1px solid var(--accent);
}
.plan-card.featured strong{color:#fff}
.plan-card.featured .plan-tagline{color:rgba(255,255,255,.62)}
.plan-card.featured li{color:rgba(255,255,255,.75)}
.plan-card.featured .btn-light{
  background:var(--accent);
  border-color:var(--accent);
  color:#191610;
}
.plan-card.featured .btn-light:hover{background:var(--accent-deep);color:#fff}
/* two-column inform */
.quick-entry-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.entry-slab{
  background:#f7f4ee;
  border:1px solid var(--line);
  padding:28px 28px 24px;
}
.entry-slab h3{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:17px;
  margin:0 0 10px;
  font-weight:700;
}
.entry-slab .mini-tag{
  color:var(--accent);
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
  background:var(--accent-soft);
  padding:7px 9px;
  border-radius:2px;
}
.entry-slab p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}
.entry-slab .short-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:18px;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid transparent;
}
.entry-slab .short-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
@media (max-width:780px){
  .plan-grid{grid-template-columns:1fr}
  .quick-entry-grid{grid-template-columns:1fr}
  .duo-feature{grid-template-columns:1fr;gap:26px;padding:56px 0}
  .duo-feature.rev{direction:ltr}
  .feature-media img{aspect-ratio:16/9}
  .feature-copy h2{font-size:30px}
}
/* faq */
.faq-rule{
  margin-top:40px;
  border-top:1px solid var(--line);
}
.detail-item{
  border-bottom:1px solid var(--line);
}
.detail-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:62px;
  padding:16px 4px;
  cursor:pointer;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  list-style:none;
  transition:color .2s;
}
.detail-item summary::-webkit-details-marker{
  display:none;
}
.detail-item summary .plus{
  flex:0 0 auto;
  font-size:20px;
  font-weight:300;
  color:var(--muted);
  transform:rotate(45deg);
  transition:transform .2s;
}
.detail-item[open] summary .plus{
  transform:rotate(0deg);
}
.detail-item[open] summary{
  color:var(--accent);
}
.detail-answer{
  padding:2px 32px 24px 4px;
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
}
.detail-answer p{margin:0}
@media (max-width:620px){
  .detail-item summary{font-size:15px}
  .detail-answer{font-size:14px}
  .h-meta{padding-bottom:0;border-top:0}
}
/* cta */
.cta-email{
  background:var(--dark);
  color:#fff;
  padding:60px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  border-top:1px solid var(--dark-line);
  border-bottom:1px solid var(--dark-line);
  padding:34px 0;
}
.cta-inner h2{
  margin:0;
  font-size:clamp(25px,3.6vw,45px);
  line-height:1.12;
  font-weight:900;
}
.cta-inner p{
  margin:14px 0 0;
  font-size:14px;
  color:rgba(255,255,255,.6);
}
/* inside local link panel */
.inside-extra{
  padding:58px 0 80px;
  background:var(--white);
}
.extra-guide{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.extra-guide a{
  padding:28px 24px 26px 0;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:11px;
  transition:background .2s;
}
.extra-guide a:last-child{border-right:0}
.extra-guide a:hover{background:#f7f4ed}
.extra-guide a strong{font-size:17px}
.extra-guide a span{font-size:13px;color:var(--muted)}
.extra-guide a::after{
  content:"查看该区内容 →";
  font-size:12px;
  color:var(--accent);
  font-weight:600;
  opacity:0;
  transition:opacity .2s;
}
.extra-guide a:hover::after{opacity:1}
@media(max-width:900px){
  .extra-guide{grid-template-columns:1fr}
  .extra-guide a{border-right:0;border-bottom:1px solid var(--line);padding-bottom:24px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 0}
}

/* roulang page: category3 */
:root {
      --bg-paper: #F2EFE8;
      --bg-dark: #0F110E;
      --panel-white: #FFFFFF;
      --ink: #141611;
      --gray-sub: #6F6E62;
      --border-line: #DCD7CB;
      --border-dark: #35382F;
      --primary: #FF5A12;
      --primary-deep: #D64302;
      --primary-soft: rgba(255, 90, 18, 0.12);
      --gold: #C9A46A;
      --success: #1FAD69;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-paper);
      color: var(--ink);
      line-height: 1.75;
      font-size: 16px;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    body.no-scroll { overflow: hidden; }
    a { text-decoration: none; color: inherit; transition: opacity 0.2s ease, color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease; }
    a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    img { max-width: 100%; height: auto; display: block; }
    .wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

    /* ===== 左侧导航 ===== */
    .site-sidebar {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 248px;
      background: var(--bg-dark);
      z-index: 100;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      color: #e8e6df;
    }
    .sidebar-main { padding: 36px 24px 8px 24px; }
    .brand-block {
      display: flex;
      flex-direction: column;
      padding: 4px 4px 28px 4px;
      border-bottom: 1px solid #35382F;
      margin-bottom: 22px;
    }
    .brand-mark {
      font-size: 32px;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: #FFFFFF;
      line-height: 1.1;
      white-space: nowrap;
    }
    .brand-sub {
      font-size: 11px;
      color: #9a9b90;
      letter-spacing: 0.12em;
      margin-top: 4px;
      text-transform: uppercase;
    }
    .nav-primary { list-style: none; margin: 0; padding: 0; }
    .nav-primary li { margin-bottom: 2px; }
    .nav-primary a {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #b4b2a8;
      font-size: 15px;
      font-weight: 500;
      padding: 12px 10px;
      border-left: 3px solid transparent;
      transition: all 0.2s ease;
    }
    .nav-primary a .nav-arrow {
      margin-left: auto;
      opacity: 0;
      transform: translateX(-4px);
      transition: all 0.2s ease;
    }
    .nav-primary a:hover {
      color: #ffffff;
      background: rgba(255,255,255,0.02);
      border-left-color: var(--primary);
    }
    .nav-primary a:hover .nav-arrow { opacity: 1; transform: translateX(0); }
    .nav-primary a.active {
      color: #ffffff;
      border-left-color: var(--primary);
      background: linear-gradient(90deg, rgba(255,90,18,0.10) 0%, transparent 100%);
    }
    .nav-icon { display: inline-block; width: 20px; text-align: center; font-size: 15px; color: #75766d; }
    .nav-primary a.active .nav-icon { color: var(--primary); }
    .sidebar-live {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: #8e8f84;
      margin: 0 24px 12px;
      letter-spacing: 0.04em;
    }
    .live-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--success);
      display: inline-block;
      box-shadow: 0 0 0 3px rgba(31, 173, 105, 0.2);
      animation: pulse 2s ease-in-out infinite;
    }
    @keyframes pulse {
      0%, 100% { box-shadow: 0 0 0 2px rgba(31, 173, 105, 0.1); }
      50% { box-shadow: 0 0 0 5px rgba(31, 173, 105, 0.08); }
    }
    .sidebar-footer {
      padding: 16px 24px;
      font-size: 11px;
      color: rgba(255,255,255,0.22);
      border-top: 1px solid #22251f;
      letter-spacing: 0.03em;
    }
    .site-main { margin-left: 248px; min-height: 100vh; }

    /* ===== 移动端 ===== */
    .mobile-topbar {
      display: none;
      height: 56px;
      background: var(--bg-dark);
      position: sticky;
      top: 0;
      z-index: 99;
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
    }
    .mobile-burger { background: none; border: none; cursor: pointer; font-size: 22px; color: #e8e6df; width: 36px; height: 36px; padding: 4px; }
    .mobile-burger:focus-visible { color: var(--primary); }
    .mobile-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background-color: var(--bg-dark);
      z-index: 98;
    }
    .mobile-overlay.open { display: flex; align-items: center; justify-content: center; }
    .mobile-overlay .mobile-nav { list-style: none; padding: 0; text-align: center; width: 80%; }
    .mobile-overlay .mobile-nav li { margin-bottom: 22px; }
    .mobile-overlay .mobile-nav a {
      color: #e8e6df;
      font-size: 20px;
      display: block;
      padding: 10px 0;
      font-weight: 600;
      border-bottom: 1px solid #252a20;
    }
    .mobile-overlay .mobile-nav a:hover { color: var(--primary); }
    .mobile-overlay .mobile-nav a.active { color: var(--primary); }

    @media (max-width: 1024px) {
      .site-sidebar { display: none; }
      .site-main { margin-left: 0; }
      .mobile-topbar { display: flex; }
      .wrap { padding: 0 20px; }
    }
    @media (max-width: 520px) {
      .wrap { padding: 0 16px; }
    }

    /* ===== Hero ===== */
    .category-hero {
      background-color: var(--bg-dark);
      padding: 110px 0 60px;
      position: relative;
      overflow: hidden;
    }
    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 48px 48px;
      pointer-events: none;
    }
    .category-hero::after {
      content: '09';
      position: absolute;
      right: 4%;
      bottom: -40px;
      font-size: clamp(200px, 30vw, 360px);
      font-weight: 900;
      line-height: 1;
      color: rgba(255, 255, 255, 0.03);
      letter-spacing: -0.06em;
    }
    .hero-inner { position: relative; z-index: 2; }
    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--gold);
      letter-spacing: 0.1em;
      margin-bottom: 28px;
      text-transform: uppercase;
    }
    .hero-tagline i { font-size: 17px; }
    .category-hero h1 {
      font-size: clamp(42px, 6vw, 78px);
      font-weight: 900;
      line-height: 1.04;
      color: #FFFFFF;
      letter-spacing: -0.03em;
      margin: 0 0 28px 0;
      max-width: 860px;
    }
    .category-hero h1 .hero-light { color: var(--primary); }
    .hero-desc {
      color: #b8b6ab;
      font-size: 17px;
      line-height: 1.8;
      max-width: 660px;
      margin: 0 0 40px 0;
    }
    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 0;
      border-top: 1px solid #2a2e24;
      margin-top: 60px;
    }
    .hero-stat {
      padding: 24px 30px 8px 0;
      margin-right: 60px;
    }
    .hero-stat:last-child { margin-right: 0; }
    .hero-stat .num {
      font-size: 36px;
      font-weight: 900;
      color: #ffffff;
      letter-spacing: -0.01em;
      line-height: 1.1;
    }
    .hero-stat .lbl { font-size: 13px; color: #898b80; margin-top: 6px; }
    .hero-stat .num i { color: var(--primary); font-style: normal; font-size: 20px; vertical-align: middle; margin-right: 2px; font-weight: 700; }

    @media (max-width: 768px) {
      .category-hero { padding: 70px 0 45px; }
      .category-hero h1 { font-size: 40px; }
      .hero-desc { font-size: 15px; }
      .hero-stat { padding: 18px 16px 4px 0; margin-right: 30px; }
      .hero-stat .num { font-size: 24px; }
    }

    /* ===== 分栏内容 ===== */
    .main-content { padding: 80px 0 0; }

    .section-title {
      font-size: clamp(30px, 3.2vw, 44px);
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -0.015em;
      color: var(--ink);
      margin: 0 0 16px;
    }
    .section-sub {
      color: var(--gray-sub);
      font-size: 16px;
      line-height: 1.65;
      max-width: 640px;
    }
    .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 48px; }
    .section-title .sep { color: var(--primary); }
    .section-title .sep i { color: var(--primary); font-style: normal; margin: 0 12px 0 0; }
    @media (max-width: 768px) { .section-head { flex-direction: column; align-items: flex-start; gap: 16px; } .section-title { font-size: 32px; } }

    /* ===== 福利索引 cards ===== */
    .perk-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    @media (min-width: 1025px) { .perk-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 768px) { .perk-grid { grid-template-columns: 1fr; } }
    .perk-card {
      position: relative;
      display: flex;
      align-items: flex-start;
      gap: 28px;
      background-color: #ffffff;
      padding: 32px 30px;
      border-bottom: 1px solid var(--border-line);
      border-top: 1px solid var(--border-line);
      transition: all 0.2s ease;
    }
    .perk-card:hover { background-color: #FBFAF6; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(20, 20, 10, 0.04); }
    .perk-icon {
      flex-shrink: 0;
      width: 52px;
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #F6F2EA;
      font-size: 20px;
      color: var(--primary);
      border-radius: 2px;
    }
    .perk-body h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin: 0 0 10px; letter-spacing: -0.01em; }
    .perk-body p { font-size: 14px; color: var(--gray-sub); line-height: 1.7; margin: 0 0 14px; }
    .perk-code .perk-tag {
      display: inline-block;
      background: #F6F2EA;
      color: var(--ink);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 2px;
    }
    .perk-link { font-size: 13px; font-weight: 700; color: var(--primary); }

    /* ===== 领取流程 ===== */
    .process-panel { display: flex; justify-content: space-between; gap: 60px; align-items: flex-start; }
    .process-list { flex: 1; max-width: 560px; position: relative; list-style: none; margin: 0; padding: 0; }
    .process-list li { display: flex; gap: 22px; padding: 22px 0; border-top: 1px solid var(--border-line); }
    .process-list li:last-child { border-bottom: 1px solid var(--border-line); }
    .process-num { font-size: 13px; font-weight: 700; color: var(--primary); padding-top: 4px; letter-spacing: 0.05em; flex-shrink: 0; width: 36px; }
    .process-text h4 { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
    .process-text p { font-size: 14px; color: var(--gray-sub); margin: 0; line-height: 1.65; }
    .process-badge {
      width: 150px;
      height: 150px;
      background: var(--bg-dark);
      flex-direction: column;
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: #fff;
      padding: 16px;
      border-radius: 2px;
      margin-top: 20px;
      font-size: 26px;
      font-weight: 800;
      line-height: 1.15;
    }
    @media (max-width: 768px) {
      .process-panel { flex-direction: column; gap: 20px; }
      .process-badge { margin-top: 0; margin-bottom: 20px; }
    }

    /* ===== 会员权益 ===== */
    .benefits-area { background-color: var(--bg-dark); color: #d6d5cc; padding: 88px 0; }
    .benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 36px; }
    .benefit-tile { border-left: 1px solid #35382F; padding-left: 18px; }
    .benefit-tile .tier { font-size: 15px; font-weight: 500; color: var(--gold); margin-bottom: 8px; display: block; }
    .benefit-tile h3 { color: #fff; font-size: 22px; font-weight: 600; margin-bottom: 12px; }
    .benefit-tile p { font-size: 13px; line-height: 1.7; color: #8b8f80; margin: 0; }
    .benefit-tile ul { list-style: none; margin: 16px 0 0; padding: 0; }
    .benefit-tile ul li { font-size: 14px; color: #b8b6a8; padding: 6px 0; display: flex; align-items: center; gap: 8px; }
    .benefit-tile ul li::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--primary); flex-shrink: 0; position: relative; top: -1px; }
    @media (max-width: 1024px) { .benefits-grid { grid-template-columns: 1fr 1fr; gap: 30px 24px; } .benefits-grid .benefit-tile:nth-child(3) { grid-column: span 2; } }
    @media (max-width: 560px) { .benefits-grid { grid-template-columns: 1fr; } .benefits-grid .benefit-tile:nth-child(3) { grid-column: auto; } }

    /* ===== 回馈墙/评价样式 ===== */
    .testimonial-slim {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      margin-top: 10px;
    }
    @media (max-width: 900px) { .testimonial-slim { grid-template-columns: 1fr; } }
    .t-single {
      padding: 28px 10px 10px 0;
      border-top: 1px solid var(--border-line);
      margin-right: 48px;
    }
    .t-single:last-child { border-right: none; }
    .t-single p { font-size: 15px; line-height: 1.75; margin: 0 0 10px; }
    .t-single span { font-size: 13px; font-weight: 600; color: var(--primary); letter-spacing: 0.02em; margin-right: 12px; }
    .t-single small { color: var(--gray-sub); display: block; margin-bottom: 6px; }

    /* ===== FAQ ===== */
    .faq-panel { max-width: 880px; margin: 0 auto; }
    .faq-row { border-top: 1px solid var(--border-line); padding: 10px 0; }
    .faq-summary {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      align-items: center;
      min-height: 48px;
      cursor: pointer;
      list-style: none;
    }
    .faq-summary::-webkit-details-marker,
    .faq-summary::marker { display: none; content: ''; }
    .faq-summary h3 { font-size: 17px; font-weight: 700; line-height: 1.4; color: #141611; }
    .faq-icon { width: 24px; height: 24px; color: var(--primary); transition: transform 0.25s ease; font-size: 24px; font-weight: 300; flex-shrink: 0; line-height: 1; ; }
    details[open] .faq-icon { transform: rotate(45deg); }
    details[open] .faq-answer { padding-bottom: 22px; }
    .faq-answer { font-size: 15px; color: var(--gray-sub); line-height: 1.75; }
    .faq-answer p { margin: 0; }

    /* ===== 底部 CTA ===== */
    .wide-cta {
      background: var(--bg-dark);
      color: #fff;
      text-align: center;
      padding: 80px 0;
    }
    .wide-cta h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 800; line-height: 1.2; margin: 0 0 14px; }
    .wide-cta h2 .dot { color: var(--primary); }
    .wide-cta p { font-size: 16px; margin: 0 auto 30px; color: #b8b6aa; max-width: 500px; }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 34px;
      font-size: 15px;
      font-weight: 700;
      border: none;
      background: transparent;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .btn-primary { background-color: var(--primary); color: #141611; border: 1px solid var(--primary); }
    .btn-primary:hover { background-color: var(--primary-deep); border-color: var(--primary-deep); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 16px rgba(0,0,0,0.2); }
    .btn-secondary { border: 1px solid rgba(255,255,255,0.4); color: #fff; }
    .btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
    .btn-light { background: #F4F0E8; color: #141611; border: 1px solid #F4F0E8; }
    .btn-light:hover { background: #ffffff; border-color: #ffffff; transform: translateY(-1px); }
    .btn-sec-light { border: 1px solid var(--primary); color: var(--primary); }
    .btn-sec-light:hover { border-color: var(--ink); color: var(--ink); }
    .btn-ghost-white { border: 1px solid rgba(255,255,255,0.5); }
    .btn i { font-size: 12px; }

    /* ===== Footer ===== */
    .site-footer { background-color: var(--bg-dark); padding: 80px 0 32px; color: #b8b6ac; }
    .footer-grid {
      display: flex;
      align-items: flex-start;
      gap: 40px;
      padding-bottom: 44px;
      border-bottom: 1px solid #232821;
    }
    .footer-brand { flex: 1.2; }
    .footer-brand .brand-mark { font-size: 30px; font-weight: 900; color: #ffffff; margin-bottom: 10px; }
    .brand-tagline { font-size: 14px; color: #8a8e7c; line-height: 1.6; margin: 0; }
    .footer-col { flex: 0.75; }
    .footer-col h4 { color: #d5d4cc; font-size: 15px; margin-bottom: 18px; font-weight: 700; letter-spacing: 0.02em; }
    .footer-links { padding: 0; margin: 0; list-style: none; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { font-size: 14px; color: #8a8e7c; padding: 2px 0; display: inline-flex; align-items: center; gap: 6px; }
    .footer-links a:hover { color: var(--primary); }
    .footer-meta { display: flex; justify-content: space-between; align-items: center; color: #62675a; font-size: 12px; padding-top: 18px; gap: 20px; }
    .footer-meta span { font-size: 12px; }
    @media (max-width: 780px) {
      .site-footer { padding: 50px 0 20px; }
      .footer-grid { flex-direction: column; gap: 24px; padding-bottom: 30px; }
      .footer-brand { margin-bottom: 10px; }
      .footer-meta { flex-wrap: wrap; align-items: flex-start; flex-direction: column; gap: 8px; }
    }

    /* ===== 内容空态（新闻/ 博客用不到可隐藏） ===== */
    .view-more { font-weight: 600; font-size: 15px; display: inline-flex; gap: 6px; color: var(--ink); }
    .view-more:hover { color: var(--primary); }
    .breadcrumb { display: flex; align-items: center; gap: 8px; color: var(--gray-sub); font-size: 14px; margin-bottom: 24px; }
    .breadcrumb a { color: rgba(255,255,255,0.7);}
    .breadcrumb a:hover { color: #fff; }
    .breadcrumb span { color: rgba(255,255,255,0.9); }
    .animate-fade-up { opacity: 0; transform: translateY(8px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .animate-fade-up.in { opacity: 1; transform: translateY(0); }

/* roulang page: category2 */
:root {
  --paper: #F2EFE8;
  --dark: #0F110E;
  --panel: #FFFFFF;
  --ink: #141611;
  --muted: #6F6E62;
  --line: #DCD7CB;
  --dark-line: #35382F;
  --brand: #FF5A12;
  --brand-deep: #D64302;
  --brand-soft: rgba(255, 90, 18, .12);
  --gold: #C9A46A;
  --ok: #1FAD69;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --side: 248px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.8 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.wrap {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 28px;
}

/* 左侧导航 */
.site-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--side);
  height: 100vh;
  background: var(--dark);
  color: #fff;
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: 28px 16px 22px 20px;
  border-right: 1px solid #24261f;
}

.sidebar-main {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.brand-block {
  display: block;
  padding: 10px 6px 26px;
  border-bottom: 1px solid var(--dark-line);
  margin-bottom: 20px;
}

.brand-mark {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.03em;
  display: block;
  line-height: 1.1;
}

.brand-sub {
  display: block;
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: .2em;
  color: rgba(255,255,255,.46);
  font-weight: 500;
}

.nav-primary > li {
  display: block;
}

.nav-primary a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px 12px 10px;
  color: rgba(255,255,255,.72);
  font-size: 15px;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: background .2s ease, color .2s ease, padding-left .2s ease;
  position: relative;
}

.nav-primary a .nav-arrow {
  margin-left: auto;
  font-size: 13px;
  opacity: 0;
  transform: translateX(-4px);
  transition: all .2s ease;
}

.nav-primary a:hover {
  color: #fff;
  border-left-color: var(--brand);
  background: rgba(255,255,255,.04);
}

.nav-primary li:last-child a {
  margin-bottom: 0;
}

.nav-primary .active {
  color: #fff;
  border-left-color: var(--brand);
  background: rgba(255,255,255,.05);
}

.nav-primary .active .nav-arrow {
  opacity: 1;
  transform: none;
}

.nav-icon {
  font-size: 18px;
  line-height: 1;
  width: 20px;
  text-align: center;
  color: rgba(255,255,255,.62);
}

.nav-primary .active .nav-icon {
  color: var(--brand);
}

.sidebar-live {
  margin-top: auto;
  font-size: 13px;
  color: rgba(255,255,255,.42);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 4px 0;
  border-top: 1px solid var(--dark-line);
  letter-spacing: .04em;
}

.live-dot {
  display: block;
  width: 7px;
  height: 7px;
  background: var(--ok);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(31,173,105,.5);
  animation: dot 2s infinite;
  transform-origin: center;
}

@keyframes dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(31,173,105,.34); }
  50% { box-shadow: 0 0 0 7px rgba(31,173,105,0); }
}

.sidebar-copy {
  margin-top: 18px;
  font-size: 11px;
  color: rgba(255,255,255,.35);
  line-height: 1.8;
}

/* 移动抽屉遮罩 */
.sidebar-overlay {
  display: none;
}

.mobile-topbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 58px;
  z-index: 70;
  background: var(--dark);
  color: #fff;
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
}

.mobile-brand {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.menu-open-btn {
  width: 40px;
  height: 40px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 主内容 */
.site-main {
  margin-left: var(--side);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}

.main-inner {
  flex: 1;
}

/* 分类 Hero */
.category-hero {
  position: relative;
  padding: 108px 0 72px;
  background:
    linear-gradient(180deg, rgba(242,239,232,.94) 0%, rgba(242,239,232,.88) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20,22,17,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,22,17,.055) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

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

.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 42px;
  align-items: center;
}

.crumb a {
  transition: color .2s;
}

.crumb a:hover {
  color: var(--brand-deep);
}

.crumb .delimiter {
  color: rgba(20,22,17,.32);
}

.category-hero .pre-keyword {
  width: max-content;
  margin-bottom: 18px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  letter-spacing: .08em;
}

.category-hero h1 {
  font-size: clamp(54px, 9.5vw, 136px);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 30px;
}

.hero-lead {
  max-width: 570px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  border-left: 3px solid var(--brand);
  padding-left: 18px;
}

.hero-status {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 44px;
  font-size: 13px;
  color: var(--muted);
}

.status-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--ok);
  border-radius: 50%;
  flex: 0 0 auto;
}

.hero-index {
  position: absolute;
  right: -10px;
  bottom: -50px;
  font-size: clamp(180px, 26vw, 400px);
  font-weight: 900;
  line-height: 1;
  color: rgba(20,22,17,.04);
  pointer-events: none;
  z-index: 1;
  letter-spacing: -0.06em;
}

/* 板块基础 */
.section-zone {
  padding: 88px 0 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 40px;
}

.section-no {
  color: var(--brand);
  font-weight: 800;
  letter-spacing: .05em;
  font-size: 14px;
  margin-right: 16px;
  display: block;
  margin-bottom: 6px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-head .section-note {
  max-width: 420px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* 等宽赛事网格 */
.event-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.match-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}

.match-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,90,18,.45);
  box-shadow: 0 14px 32px rgba(20,20,10,.07);
}

.match-thumb {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 18px;
  background: #e9e4d9;
}

.match-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.match-card:hover .match-thumb img {
  transform: scale(1.04);
}

.match-flag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .10em;
  color: var(--brand-deep);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.match-card h3 {
  font-size: 21px;
  font-weight: 800;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.match-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.match-status {
  border-top: 1px solid var(--line);
  margin-top: auto;
  padding-top: 14px;
  font-size: 12px;
  font-weight: 700;
  color: #3a3c34;
  display: flex;
  align-items: center;
  gap: 6px;
}

.match-status::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

/* 主行动条 */
.action-banner {
  background: var(--dark);
  color: #fff;
  margin-top: 76px;
  padding: 42px 0;
}

.action-banner-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.action-banner h3 {
  font-size: 24px;
  font-weight: 900;
  line-height: 1.4;
}

.action-banner p {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  margin-top: 4px;
}

.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--brand);
  color: var(--dark);
  font-size: 15px;
  font-weight: 800;
  padding: 14px 26px;
  border: 1px solid var(--brand);
  border-radius: 2px;
  transition: background .2s ease, border .2s ease, transform .2s ease;
  line-height: 1;
}

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

.btn-brand:active {
  transform: translateY(1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,.45);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: 2px;
  transition: all .2s ease;
}

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
}

/* 深色参赛流程 */
.flow-dark {
  background: var(--dark);
  color: #fff;
  margin-top: 90px;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.flow-dark .section-head {
  border-bottom-color: var(--dark-line);
  margin-bottom: 46px;
}

.flow-dark .section-head h2 {
  color: #fff;
}

.flow-dark .section-note {
  color: rgba(255,255,255,.5);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.flow-card {
  position: relative;
  padding: 26px 4px 0 0;
}

.flow-number {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 900;
  color: var(--brand);
  line-height: 1;
  display: block;
  margin-bottom: 40px;
}

.flow-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}

.flow-card p {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 1.8;
}

.flow-line {
  height: 1px;
  background: var(--dark-line);
  margin-top: 28px;
  position: relative;
}

.flow-line::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 70px;
  height: 1px;
  background: var(--brand);
}

/* 规则说明 */
.rule-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.54);
  margin-top: 90px;
  padding: 52px 0;
}

.rule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.rule-item {
  border-left: 2px solid var(--brand);
  padding-left: 20px;
}

.rule-item h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.rule-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 加载完成 */
.bottom-archived {
  padding: 42px 0 0;
  text-align: center;
}

.archived-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
  background: rgba(20,22,17,.04);
  padding: 14px 28px;
  border-left: 3px solid var(--brand);
  border-right: 3px solid var(--brand);
}

.archived-box .archived-line {
  width: 40px;
  height: 1px;
  background: rgba(20,22,17,.3);
}

/* footer */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  margin-top: 90px;
  padding: 64px 0 30px;
}

.site-footer .wrap {
  max-width: 1260px;
}

.footer-grid {
  display: flex;
  gap: 64px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-line);
}

.footer-brand {
  max-width: 340px;
}

.footer-brand .brand-mark {
  font-size: 30px;
  color: #fff;
  font-weight: 900;
}

.brand-tagline {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 13px;
  letter-spacing: .12em;
  font-weight: 500;
  margin-bottom: 12px;
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  color: rgba(255,255,255,.55);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: var(--brand);
  padding-left: 5px;
}

.footer-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-top: 30px;
  font-size: 12px;
  color: rgba(255,255,255,.35);
  line-height: 1.7;
}

/* responsive */
@media (max-width: 1280px) {
  .event-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .site-sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: none;
  }

  body.sidebar-open .site-sidebar {
    transform: none;
    box-shadow: 0 22px 60px rgba(15,17,14,.4);
  }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(15,17,14,.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
  }

  body.sidebar-open .sidebar-overlay {
    opacity: 1;
    visibility: visible;
  }

  .mobile-topbar {
    display: flex;
  }

  .site-main {
    margin-left: 0;
    padding-top: 58px;
  }

  .category-hero {
    padding-top: 80px;
  }
}

@media (max-width: 700px) {
  .wrap {
    padding: 0 18px;
  }

  .section-zone {
    padding-top: 60px;
  }

  .category-hero {
    padding: 62px 0 46px;
  }

  .crumb {
    margin-bottom: 32px;
  }

  .category-hero h1 {
    letter-spacing: -0.045em;
  }

  .hero-cta {
    flex-direction: column;
  }

  .event-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .flow-grid {
    grid-template-columns: 1fr;
  }

  .rule-grid {
    grid-template-columns: 1fr;
  }

  .action-banner-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    flex-direction: column;
    gap: 32px;
  }

  .footer-meta {
    flex-direction: column;
    gap: 8px;
  }

  .hero-status {
    gap: 16px;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .event-grid {
    grid-template-columns: 1fr;
  }
}