/* roulang page: index */
:root{
  --brand-900:#0E3229;
  --brand-700:#14493C;
  --brand-500:#1F6B55;
  --brand-100:#E4EFE9;
  --accent-500:#C7F24A;
  --accent-600:#A8D92E;
  --signal-600:#E4572E;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#0B1F19;
  --ink-700:#24413A;
  --ink-500:#5A6F69;
  --line:#DCD8CF;
  --line-strong:#BEB8AB;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
  --r-tag:6px;
  --r-btn:10px;
  --r-card:16px;
  --r-hero:24px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,31,25,.06);
  --sh-md:0 6px 18px rgba(11,31,25,.08);
  --sh-lg:0 18px 40px -12px rgba(11,31,25,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:0;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(23px,3vw,32px);line-height:1.3;}
h3{font-size:22px;line-height:1.45;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.15em;text-align:left;}
ul,ol{margin:0 0 1.15em;padding-left:1.3em;}
li{margin-bottom:.4em;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--surface);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);transition:box-shadow .2s var(--ease);}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-900));
  color:var(--accent-500);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:0;
  box-shadow:var(--sh-sm);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.02em;}
.logo-sub{font-size:11.5px;color:var(--ink-500);letter-spacing:.14em;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink-700);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-100);}
.icon-btn svg{width:18px;height:18px;}
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:16px;height:48px;}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:0 14px;
  line-height:46px;
  font-size:15px;
  color:var(--ink-700);
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--brand-500);}
.nav-link.active{color:var(--brand-500);font-weight:600;border-bottom-color:var(--accent-500);}
.channel-meta{margin-left:auto;font-size:13px;color:var(--ink-500);font-family:var(--font-num);white-space:nowrap;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-accent{background:var(--accent-500);color:var(--ink-900);}
.btn-accent:hover{background:var(--accent-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-900);}
.btn-ghost:hover{background:var(--paper);border-color:var(--brand-500);color:var(--brand-700);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-500);}
.btn-text span{transition:transform .2s var(--ease);}
.btn-text:hover span{transform:translateX(4px);}

/* ---------- Hero ---------- */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,var(--paper) 0%,var(--paper) 62%,#EEF2ED 100%);}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(199,242,74,.24);
  color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.06em;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:18px;height:3px;background:var(--accent-600);border-radius:2px;}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{background:linear-gradient(180deg,transparent 62%,rgba(199,242,74,.75) 62%);padding:0 2px;}
.hero-lead{font-size:17.5px;color:var(--ink-700);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--line);padding-top:24px;}
.stat-num{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--brand-900);}
.stat-num::before{content:"";display:block;width:36px;height:4px;background:var(--accent-500);border-radius:2px;margin-bottom:10px;}
.stat-label{font-size:13px;color:var(--ink-500);line-height:1.6;}
.hero-media{position:relative;border-radius:var(--r-hero);overflow:hidden;min-height:520px;background:var(--brand-900);box-shadow:var(--sh-lg);}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(14,50,41,.30),rgba(14,50,41,.62));}
.hero-media .media-tag{
  position:absolute;left:24px;bottom:24px;right:24px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:rgba(246,244,239,.94);border-radius:var(--r-card);padding:16px 20px;
}
.media-tag strong{display:block;font-size:15px;color:var(--ink-900);font-weight:700;}
.media-tag small{font-size:12.5px;color:var(--ink-500);letter-spacing:.04em;}
.media-score{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--signal-600);}

/* ---------- Section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head p{margin:8px 0 0;color:var(--ink-500);font-size:15px;max-width:640px;}
.sec-kicker{font-size:12.5px;letter-spacing:.14em;color:var(--brand-500);font-weight:600;margin-bottom:10px;}

/* ---------- Pillars ---------- */
.pillars{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;}
.pillar{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;transition:all .2s var(--ease);
}
.pillar:hover{border-color:rgba(31,107,85,.35);box-shadow:var(--sh-md);transform:translateY(-2px);}
.pillar--feature{background:var(--brand-900);border-color:var(--brand-900);}
.pillar--feature h3{color:#fff;}
.pillar--feature p{color:rgba(246,244,239,.82);}
.pillar-ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.pillar--feature .pillar-ico{background:rgba(199,242,74,.18);color:var(--accent-500);}
.pillar-ico svg{width:22px;height:22px;}
.pillar h3{margin-bottom:10px;}
.pillar p{margin:0;font-size:15px;line-height:1.8;}
.pillar-num{font-family:var(--font-num);font-size:13px;color:var(--ink-500);letter-spacing:.08em;margin-bottom:14px;display:block;}
.pillar--feature .pillar-num{color:rgba(199,242,74,.8);}

/* ---------- Story ---------- */
.story{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.story-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);}
.story-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.story-list{list-style:none;padding:0;margin:0 0 26px;}
.story-list li{position:relative;padding-left:30px;margin-bottom:14px;font-size:15.5px;}
.story-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:5px;
  background:rgba(199,242,74,.4);
}
.story-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:9px;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);transform:rotate(40deg);
}

/* ---------- Feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:24px;}
.fcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:all .2s var(--ease);
}
.fcard:hover{border-color:rgba(31,107,85,.35);box-shadow:var(--sh-md);transform:translateY(-2px);}
.fcard--big{grid-row:span 2;}
.fcard-img{position:relative;overflow:hidden;background:var(--brand-100);}
.fcard-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.fcard:hover .fcard-img img{transform:scale(1.03);}
.fcard--sm .fcard-img img{aspect-ratio:16/9;}
.fcard-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.fcard--big .fcard-body{padding:28px 30px 32px;}
.fcard h3{font-size:20px;}
.fcard--big h3{font-size:24px;}
.fcard p{margin:0;font-size:15px;color:var(--ink-700);line-height:1.8;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-tag);
  background:rgba(199,242,74,.18);color:var(--brand-700);
  font-size:12.5px;letter-spacing:.08em;font-weight:600;
}
.tag--line{background:transparent;border:1px solid var(--signal-600);color:var(--signal-600);}

/* ---------- News list (CMS) ---------- */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;transition:all .2s var(--ease);color:inherit;
}
.news-item:hover{border-color:rgba(31,107,85,.35);box-shadow:var(--sh-md);transform:translateY(-2px);}
.news-thumb{
  flex:0 0 160px;width:160px;height:100px;border-radius:10px;overflow:hidden;background:var(--brand-100);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{min-width:0;flex:1;}
.news-body h3{
  font-size:16.5px;line-height:1.5;margin-bottom:6px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin:0 0 10px;font-size:14px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-500);}
.news-meta .num{font-family:var(--font-num);}
.empty-state{
  border:1.5px dashed var(--line-strong);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:var(--surface);grid-column:1/-1;
}
.empty-state .empty-ico{
  width:52px;height:52px;border-radius:14px;background:var(--brand-100);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.empty-state p{color:var(--ink-500);margin-bottom:20px;}

/* ---------- Trust ---------- */
.trust{background:var(--brand-900);color:rgba(246,244,239,.85);}
.trust h2{color:#fff;}
.trust .sec-kicker{color:var(--accent-500);}
.trust .sec-head p{color:rgba(246,244,239,.7);}
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(246,244,239,.14);border-radius:var(--r-card);overflow:hidden;margin-bottom:44px;}
.trust-stat{background:var(--brand-900);padding:28px 24px;}
.trust-stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:30px;color:#fff;line-height:1.2;}
.trust-stat span{font-size:13.5px;color:rgba(246,244,239,.62);}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:44px;}
.badge-row span{
  padding:8px 16px;border-radius:var(--r-pill);border:1px solid rgba(246,244,239,.22);
  font-size:13.5px;color:rgba(246,244,239,.8);
}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.quote{
  background:rgba(246,244,239,.06);border:1px solid rgba(246,244,239,.14);
  border-radius:var(--r-card);padding:26px 28px;
}
.quote p{font-size:15.5px;color:rgba(246,244,239,.9);margin-bottom:16px;}
.quote small{font-size:13px;color:rgba(199,242,74,.85);letter-spacing:.04em;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(31,107,85,.4);box-shadow:var(--sh-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;
  width:12px;height:12px;border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);}
.faq-item .faq-answer{padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--ink-700);}
.faq-item .faq-answer p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-900);border-radius:var(--r-hero);padding:56px 48px;color:rgba(246,244,239,.85);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,242,74,.18),transparent 68%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(246,244,239,.75);margin:0;}
.subscribe-form{display:flex;flex-direction:column;gap:12px;}
.subscribe-form label{font-size:14px;color:rgba(246,244,239,.75);}
.field-row{display:flex;gap:12px;}
.field-row input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid rgba(246,244,239,.28);
  background:rgba(246,244,239,.06);color:#fff;padding:0 16px;font-size:15px;font-family:inherit;
  transition:all .2s var(--ease);
}
.field-row input::placeholder{color:rgba(246,244,239,.45);}
.field-row input:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(199,242,74,.22);}
.form-note{font-size:13px;color:rgba(246,244,239,.55);}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(246,244,239,.85);margin-top:96px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(246,244,239,.55);}
.footer-brand p{font-size:14px;color:rgba(246,244,239,.62);margin-top:18px;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(246,244,239,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent-500);}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,244,239,.5);
}
.footer-bottom .num{font-family:var(--font-num);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{min-height:360px;order:2;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px;}
  .pillars{grid-template-columns:1fr 1fr;}
  .pillar--feature{grid-column:1/-1;}
  .story{grid-template-columns:1fr;gap:32px;}
  .feature-grid{grid-template-columns:1fr;}
  .fcard--big{grid-row:auto;}
  .news-list{grid-template-columns:1fr;}
  .trust-stats{grid-template-columns:repeat(2,1fr);}
  .quotes{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .section{padding:56px 0;}
  .container{padding:0 18px;}
  .brand-inner{height:58px;gap:12px;}
  .logo-main{font-size:16px;}
  .logo-sub{display:none;}
  .header-actions{gap:8px;}
  .channel-inner{height:46px;}
  .channel-meta{display:none;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:22px;}
  .hero-media{min-height:280px;}
  .media-tag{left:14px;right:14px;bottom:14px;padding:12px 16px;}
  .pillars{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .news-item{flex-direction:column;gap:14px;}
  .news-thumb{width:100%;flex:none;height:170px;}
  .trust-stats{grid-template-columns:1fr;}
  .field-row{flex-direction:column;}
  .cta-band{border-radius:var(--r-card);padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .faq-item summary{font-size:16.5px;padding:18px 48px 18px 18px;}
  .faq-item .faq-answer{padding:0 18px 20px;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --brand-900:#0E3229;
  --brand-700:#14493C;
  --brand-500:#1F6B55;
  --brand-100:#E4EFE9;
  --accent-500:#C7F24A;
  --accent-600:#A8D92E;
  --signal-600:#E4572E;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#0B1F19;
  --ink-700:#24413A;
  --ink-500:#5A6F69;
  --line:#DCD8CF;
  --line-strong:#BEB8AB;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Courier New",monospace;
  --radius-sm:6px;
  --radius:10px;
  --radius-card:16px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(11,31,25,.06);
  --shadow-md:0 6px 18px rgba(11,31,25,.08);
  --shadow-lg:0 18px 40px -12px rgba(11,31,25,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink-700);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--brand-700)}
button{font:inherit;cursor:pointer;color:inherit}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;line-height:1.3;letter-spacing:-.005em}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:767px){.container{padding:0 20px}}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.site-header.is-stuck{box-shadow:var(--shadow-md)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink-900)}
.logo:hover{color:var(--ink-900)}
.logo-mark{width:38px;height:38px;flex:0 0 auto;border-radius:10px;background:var(--brand-500);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-main{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.logo-sub{font-size:11.5px;color:var(--ink-500);letter-spacing:.16em}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink-700);transition:all .2s var(--ease)}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-100)}
.channel-bar{background:var(--paper);border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:48px}
.channel-nav{display:flex;align-items:center;gap:28px;height:100%}
.channel-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:100%;font-size:15px;font-weight:500;color:var(--ink-700)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--brand-500)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-500);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.channel-meta{font-size:13px;color:var(--ink-500);white-space:nowrap;font-variant-numeric:tabular-nums}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border:1.5px solid transparent;border-radius:var(--radius);font-size:15.5px;font-weight:600;white-space:nowrap;transition:all .2s var(--ease)}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:9px}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent-500);color:var(--ink-900)}
.btn-accent:hover{background:var(--accent-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-900)}
.btn-ghost:hover{background:var(--surface);border-color:var(--brand-500);color:var(--brand-700)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500)}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ============ Breadcrumb ============ */
.breadcrumb{padding-top:22px;font-size:14px;color:var(--ink-500)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"›";color:var(--line-strong)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .current{color:var(--ink-700)}
.breadcrumb li:last-child{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ Article hero ============ */
.article-hero{padding-top:30px}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--radius-sm);font-size:12.5px;font-weight:600;letter-spacing:.08em}
.badge-accent{background:rgba(199,242,74,.3);color:var(--brand-700)}
.badge-line{border:1px solid var(--line-strong);color:var(--ink-500)}
.article-hero h1{margin-top:16px;font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700}
.article-hero h1 mark{background:linear-gradient(to top,rgba(199,242,74,.55) 0 38%,transparent 38%);color:inherit;padding:0 2px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:14px;color:var(--ink-500)}
.meta-row .sep{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.rule-line{width:64px;height:4px;border-radius:2px;background:var(--accent-500);margin-top:22px}
.article-cover{margin-top:26px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-md);background:var(--brand-100)}
.article-cover figcaption{margin-top:10px;font-size:13px;color:var(--ink-500)}

/* ============ Layout ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:56px;justify-content:center;align-items:start;padding-top:52px}
.article-main{min-width:0}

/* ============ Article body ============ */
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink-700);word-break:break-word}
.article-body p{margin-bottom:1.15em}
.article-body h1,.article-body h2{position:relative;padding-left:14px;margin:40px 0 18px;font-size:clamp(21px,2.4vw,26px);line-height:1.42}
.article-body h1::before,.article-body h2::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;background:var(--accent-500)}
.article-body h3{margin:28px 0 12px;font-size:20px;line-height:1.45}
.article-body h4{margin:22px 0 10px;font-size:17.5px}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700)}
.article-body blockquote{margin:26px 0;padding:16px 22px;background:var(--brand-100);border-left:3px solid var(--brand-500);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-700)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin-bottom:1.15em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;background:var(--brand-500);border-radius:1px}
.article-body ol{counter-reset:item;margin-bottom:1.15em}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.5em;counter-increment:item}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:.3em;font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand-500)}
.article-body img{border-radius:12px;margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0}
.article-body figcaption{margin-top:8px;font-size:13px;color:var(--ink-500);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.article-body thead th{background:var(--brand-100);color:var(--ink-900);font-weight:600}
.article-body tbody tr:nth-child(even){background:var(--paper)}
.article-body pre{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto;font-family:var(--font-num);font-size:14px;line-height:1.7;margin:24px 0}
.article-body code{font-family:var(--font-num);font-size:.92em;background:var(--brand-100);color:var(--brand-700);padding:2px 6px;border-radius:4px}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* ============ Empty state ============ */
.empty-state{margin:0 auto;max-width:640px;padding:56px 28px;border:1px dashed var(--line-strong);border-radius:var(--radius-card);background:var(--surface);text-align:center}
.empty-state .empty-ico{width:52px;height:52px;margin:0 auto 18px;border-radius:14px;background:var(--brand-100);display:grid;place-items:center;color:var(--brand-500);font-size:22px;font-weight:700}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-500);margin-bottom:22px;font-size:15.5px}

/* ============ Article footer blocks ============ */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:13px;color:var(--ink-500);letter-spacing:.06em}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-sm);background:rgba(199,242,74,.26);color:var(--brand-700);font-size:12.5px;font-weight:600;transition:background-color .2s var(--ease)}
.tag:hover{background:var(--accent-500);color:var(--ink-900)}
.article-foot .btn{margin-top:22px}
.sub-block{margin-top:52px}
.sub-block h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:20px}
.related-item{display:grid;grid-template-columns:132px minmax(0,1fr);gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:12px;margin-bottom:14px;transition:all .2s var(--ease)}
.related-item:hover{border-color:rgba(31,107,85,.42);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.related-item img{width:132px;height:84px;object-fit:cover;border-radius:10px;background:var(--brand-100)}
.related-item h3{font-size:16.5px;line-height:1.5;margin-bottom:6px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.related-item p{font-size:13.5px;line-height:1.7;color:var(--ink-500);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.related-item .meta{display:flex;gap:10px;margin-top:8px;font-size:12.5px;color:var(--ink-500)}

/* ============ Sidebar ============ */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:124px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm)}
.side-card h3{display:flex;align-items:center;gap:8px;font-size:16px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent-500)}
.toc-list li a{display:block;padding:7px 10px;border-left:2px solid var(--line);font-size:14.5px;line-height:1.6;color:var(--ink-700);transition:all .2s var(--ease)}
.toc-list li a:hover{border-left-color:var(--accent-500);background:var(--paper);color:var(--brand-500)}
.side-note{font-size:14px;color:var(--ink-500);line-height:1.8}
.side-cta{background:var(--brand-900);border-radius:var(--radius-card);padding:24px;color:rgba(246,244,239,.85)}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--accent-500)}
.side-cta p{font-size:14.5px;line-height:1.8;margin-bottom:18px}
.side-cta .btn{width:100%}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.side-stats .stat{background:rgba(246,244,239,.08);border-radius:10px;padding:12px}
.side-stats .stat b{display:block;font-family:var(--font-num);font-size:20px;color:var(--accent-500);line-height:1.3}
.side-stats .stat span{font-size:12.5px;color:rgba(246,244,239,.7)}

/* ============ Sections ============ */
.section{padding-top:88px}
.section-head{max-width:720px;margin-bottom:28px}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.32}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--ink-500)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:860px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:rgba(31,107,85,.4);box-shadow:var(--shadow-sm)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900)}
.faq-q .sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line-strong);display:grid;place-items:center;font-size:16px;line-height:1;color:var(--brand-500);transition:all .2s var(--ease)}
.faq-item.open .faq-q .sign{transform:rotate(180deg);border-color:var(--brand-500);background:var(--brand-100)}
.faq-a{max-height:0;overflow:hidden;padding:0 20px;transition:max-height .28s var(--ease),padding .28s var(--ease)}
.faq-item.open .faq-a{max-height:360px;padding:0 20px 18px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-700)}

/* ============ CTA band ============ */
.cta-band{margin-top:88px;background:var(--brand-900);border-radius:var(--radius-lg);padding:48px;display:grid;grid-template-columns:1.15fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(199,242,74,.09)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35}
.cta-band p{margin-top:12px;color:rgba(246,244,239,.8);font-size:15.5px;max-width:460px}
.cta-form{display:flex;gap:10px;position:relative;z-index:1}
.cta-form input{flex:1;height:48px;padding:0 14px;border:1px solid rgba(246,244,239,.28);border-radius:var(--radius);background:rgba(246,244,239,.06);color:#fff;font:inherit;font-size:15px}
.cta-form input::placeholder{color:rgba(246,244,239,.5)}
.cta-form input:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(199,242,74,.22)}
.form-hint{margin-top:12px;font-size:13px;color:rgba(246,244,239,.6)}

/* ============ Footer ============ */
.site-footer{background:var(--brand-900);color:rgba(246,244,239,.85);margin-top:96px;padding-top:64px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:rgba(246,244,239,.6)}
.site-footer .logo-mark{background:var(--accent-500);color:var(--brand-900)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;max-width:330px;color:rgba(246,244,239,.75)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(246,244,239,.78)}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{margin-top:48px;padding:18px 0;border-top:1px solid rgba(246,244,239,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13.5px;color:rgba(246,244,239,.62)}

/* ============ Back to top ============ */
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border:0;border-radius:50%;background:var(--brand-500);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s var(--ease);z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-700)}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px;padding-top:44px}
  .sidebar{position:static;top:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .section{padding-top:72px}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand-inner{height:58px}
  .logo-sub{display:none}
  .logo-main{font-size:16.5px}
  .channel-inner{height:auto;padding:0}
  .channel-nav{gap:22px;height:46px;overflow-x:auto;padding:0 20px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
  .nav-link{height:46px;white-space:nowrap;scroll-snap-align:start}
  .channel-meta{display:none}
  .breadcrumb li:last-child{max-width:200px}
  .article-hero{padding-top:22px}
  .meta-row{gap:10px;font-size:13.5px}
  .article-layout{padding-top:36px}
  .article-body h1,.article-body h2{margin-top:32px}
  .related-item{grid-template-columns:104px minmax(0,1fr);gap:12px}
  .related-item img{width:104px;height:70px}
  .section{padding-top:56px}
  .cta-band{padding:32px 24px;margin-top:56px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px;margin-top:64px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px;width:42px;height:42px}
}
@media (max-width:479px){
  .logo-mark{width:34px;height:34px;font-size:16px}
  .icon-btn{width:36px;height:36px}
  .btn-sm{padding:0 12px;font-size:14px}
  .related-item{grid-template-columns:1fr}
  .related-item img{width:100%;height:150px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0E3229;
  --brand-700:#14493C;
  --brand-500:#1F6B55;
  --brand-100:#E4EFE9;
  --accent-500:#C7F24A;
  --accent-600:#A8D92E;
  --signal-600:#E4572E;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#0B1F19;
  --ink-700:#24413A;
  --ink-500:#5A6F69;
  --line:#DCD8CF;
  --line-strong:#BEB8AB;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --r-tag:6px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:24px;
  --sh-sm:0 1px 2px rgba(11,31,25,.06);
  --sh-md:0 6px 18px rgba(11,31,25,.08);
  --sh-lg:0 18px 40px -12px rgba(11,31,25,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.3;letter-spacing:.01em}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-stuck .brand-bar{box-shadow:var(--sh-md)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:66px}
.logo{display:inline-flex;align-items:center;gap:11px;color:inherit}
.logo-mark{
  width:38px;height:38px;flex:none;border-radius:11px;
  background:var(--brand-700);color:var(--accent-500);
  display:grid;place-items:center;font-size:17px;font-weight:700;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.03em}
.logo-sub{font-size:11.5px;color:var(--ink-500);letter-spacing:.14em}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-700);
  display:grid;place-items:center;cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-100)}
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:50px}
.channel-nav{display:flex;align-items:center;gap:4px;height:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 15px;font-size:15px;font-weight:500;color:var(--ink-700);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;border-radius:2px 2px 0 0;
  background:var(--accent-500);transform:scaleX(0);transform-origin:center;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-500)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-500);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.channel-meta{font-family:var(--font-num);font-size:13px;color:var(--ink-500);white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-accent{background:var(--accent-500);color:var(--ink-900)}
.btn-accent:hover{background:var(--accent-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-900)}
.btn-ghost:hover{background:var(--surface);border-color:var(--brand-500);color:var(--brand-500)}
.btn-sm{height:38px;padding:0 16px;font-size:14.5px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500)}
.btn-link .arrow{transition:transform .2s var(--ease)}
.btn-link:hover .arrow{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);list-style:none}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{color:var(--line-strong)}
.crumb .current{color:var(--ink-700);font-weight:500}

/* ---------- Hero ---------- */
.page-hero{padding:26px 0 10px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:44px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
h1{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;margin:20px 0 18px}
.hl{background:linear-gradient(transparent 64%,var(--accent-500) 64%);padding:0 2px}
.hero-sub{font-size:17px;color:var(--ink-700);max-width:580px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding:15px 20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;
  font-size:14px;color:var(--ink-700);
}
.hero-facts span{display:inline-flex;align-items:center;gap:8px}
.hero-facts .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:none}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/11;box-shadow:var(--sh-lg);background:var(--brand-100);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,50,41,.08) 0%,rgba(14,50,41,.42) 100%);
}
.hero-visual .caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  color:var(--paper);font-size:13px;letter-spacing:.04em;
}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section.tight{padding-top:32px}
.rule{width:64px;height:4px;border-radius:2px;background:var(--accent-500);margin-bottom:18px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,3vw,32px);font-weight:700}
.section-head .lead{margin:10px 0 0;font-size:15.5px;color:var(--ink-500);max-width:640px}

/* ---------- 顶部大卡 ---------- */
.feature-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px}
.feature-main{
  position:relative;display:flex;align-items:flex-end;
  min-height:400px;border-radius:var(--r-lg);overflow:hidden;color:#fff;box-shadow:var(--sh-md);
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-main .veil{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,50,41,.9) 6%,rgba(14,50,41,.42) 58%,rgba(14,50,41,.12) 100%);
}
.feature-main .content{position:relative;padding:34px}
.feature-main h3{color:#fff;font-size:24px;font-weight:700;margin:14px 0 10px}
.feature-main p{color:rgba(246,244,239,.86);font-size:15.5px;margin:0}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:all .2s var(--ease);
}
.mini-card:hover{border-color:rgba(31,107,85,.35);box-shadow:var(--sh-md);transform:translateY(-2px)}
.mini-card .thumb{width:76px;height:76px;flex:none;border-radius:12px;object-fit:cover}
.mini-card h3{font-size:18px;font-weight:600;margin:10px 0 6px}
.mini-card p{font-size:14.5px;color:var(--ink-500);margin:0}

.tag{
  display:inline-flex;align-items:center;height:25px;padding:0 10px;border-radius:var(--r-tag);
  background:rgba(199,242,74,.18);color:var(--brand-700);
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
}
.tag-invert{background:rgba(246,244,239,.16);color:var(--paper);border:1px solid rgba(246,244,239,.32)}
.tag-line{background:transparent;border:1px solid var(--signal-600);color:var(--signal-600)}

/* ---------- 图文交错列表 ---------- */
.alt-list{border-top:1px solid var(--line)}
.alt-row{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:44px;align-items:center;padding:38px 26px;
  border-bottom:1px solid var(--line);border-radius:var(--r-card);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.alt-row:hover{background:var(--surface);box-shadow:var(--sh-sm)}
.alt-row.reverse{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
.alt-row.reverse .alt-media{order:2}
.alt-row.reverse .alt-body{order:1}
.alt-media{border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;background:var(--brand-100);box-shadow:var(--sh-sm)}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.alt-row:hover .alt-media img{transform:scale(1.035)}
.alt-body h3{font-size:22px;font-weight:600;margin:12px 0 10px}
.alt-body p{font-size:16px;color:var(--ink-700)}
.alt-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--ink-500);margin-top:4px}
.alt-meta span{display:inline-flex;align-items:center;gap:6px}
.alt-meta .num{color:var(--ink-900)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;transition:all .2s var(--ease);
}
.step:hover{border-color:rgba(31,107,85,.35);box-shadow:var(--sh-md);transform:translateY(-2px)}
.step .idx{
  width:36px;height:36px;border-radius:11px;background:var(--brand-500);color:#fff;
  display:grid;place-items:center;font-family:var(--font-num);font-size:15px;font-weight:700;margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-500);margin:0}

/* ---------- 深色承诺区 ---------- */
.promise{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--brand-900);padding:52px;
}
.promise::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(199,242,74,.2);
}
.promise::before{
  content:"";position:absolute;left:0;top:52px;width:64px;height:4px;background:var(--accent-500);border-radius:0 2px 2px 0;
}
.promise-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.promise h2{color:var(--paper);font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.promise .intro{color:rgba(246,244,239,.76);font-size:15.5px;margin:0}
.promise-list{list-style:none;display:grid;gap:16px}
.promise-list li{display:flex;gap:12px;font-size:15.5px;color:rgba(246,244,239,.86)}
.promise-list .mark{color:var(--accent-500);font-weight:700;flex:none}
.promise-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:8px}
.promise-stats .value{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--accent-500);line-height:1.15}
.promise-stats .label{font-size:14px;color:rgba(246,244,239,.7);margin-top:4px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:rgba(31,107,85,.35);box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink-900);transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-500)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before{content:"";position:absolute;left:0;top:7px;width:16px;height:2px;border-radius:1px;background:var(--brand-500)}
.faq-icon::after{content:"";position:absolute;left:7px;top:0;width:2px;height:16px;border-radius:1px;background:var(--brand-500);transition:transform .25s var(--ease)}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-700)}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--brand-700);padding:50px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:center;
}
.cta::after{
  content:"";position:absolute;right:-80px;bottom:-100px;width:260px;height:260px;border-radius:50%;
  background:rgba(199,242,74,.08);
}
.cta h2{color:var(--paper);font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta p{color:rgba(246,244,239,.8);font-size:15.5px;margin:0}
.subscribe{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.subscribe input{
  flex:1 1 230px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(246,244,239,.28);background:rgba(246,244,239,.08);
  color:var(--paper);font-size:15px;font-family:inherit;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(246,244,239,.5)}
.subscribe input:focus{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(199,242,74,.22)}
.subscribe .hint{flex:1 1 100%;font-size:13.5px;color:rgba(246,244,239,.62);margin:0}

/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:52px}
.pagination a,.pagination span{
  min-width:42px;height:42px;padding:0 14px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-700);
  font-family:var(--font-num);font-size:15px;transition:all .2s var(--ease);
}
.pagination a:hover{border-color:var(--brand-500);color:var(--brand-500)}
.pagination .current{background:var(--brand-500);border-color:var(--brand-500);color:#fff;font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(246,244,239,.85);margin-top:84px;padding-top:66px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:44px}
.footer-brand .logo-mark{background:rgba(246,244,239,.1);color:var(--accent-500)}
.footer-brand .logo-main{color:var(--paper)}
.footer-brand .logo-sub{color:rgba(246,244,239,.58)}
.footer-brand p{margin-top:18px;font-size:14.5px;color:rgba(246,244,239,.72);max-width:350px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--paper);margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(246,244,239,.75)}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:rgba(246,244,239,.6);
}
.footer-bottom .num{color:rgba(246,244,239,.7)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 22px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-visual{aspect-ratio:16/9}
  .section{padding:68px 0}
  .feature-grid{grid-template-columns:1fr}
  .feature-main{min-height:340px}
  .feature-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .alt-row,.alt-row.reverse{grid-template-columns:1fr;gap:22px;padding:30px 0}
  .alt-row.reverse .alt-media{order:0}
  .alt-row.reverse .alt-body{order:1}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .promise{padding:40px}
  .promise::before{top:40px}
  .promise-inner{grid-template-columns:1fr;gap:30px}
  .cta{grid-template-columns:1fr;padding:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .channel-meta{display:none}
  .brand-inner{height:62px}
  .logo-sub{letter-spacing:.1em}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .feature-side{grid-template-columns:1fr}
  .hero-facts{flex-direction:column;gap:9px;align-items:flex-start}
  .steps{grid-template-columns:1fr}
  .promise{padding:30px 24px}
  .promise-stats{grid-template-columns:1fr 1fr;gap:18px}
  .faq-q{font-size:16.5px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta{padding:30px 24px}
  .pagination a,.pagination span{min-width:38px;height:38px;padding:0 12px}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .subscribe .btn{width:100%}
  .mini-card{flex-direction:column;gap:12px}
  .mini-card .thumb{width:100%;height:150px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E3229;
  --brand-700:#14493C;
  --brand-500:#1F6B55;
  --brand-100:#E4EFE9;
  --accent-500:#C7F24A;
  --accent-600:#A8D92E;
  --signal-600:#E4572E;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#0B1F19;
  --ink-700:#24413A;
  --ink-500:#5A6F69;
  --line:#DCD8CF;
  --line-strong:#BEB8AB;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --r-tag:6px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,31,25,.06);
  --sh-md:0 6px 18px rgba(11,31,25,.08);
  --sh-lg:0 18px 40px -12px rgba(11,31,25,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.3}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25}
h2{font-size:clamp(23px,3vw,32px)}
h3{font-size:22px;font-weight:600;line-height:1.45}
h4{font-size:18px;font-weight:600;line-height:1.5}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color 200ms var(--ease)}
a:hover{color:var(--brand-700)}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head p{color:var(--ink-500);font-size:15px;line-height:1.8;margin-top:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;color:var(--brand-700);
  background:rgba(199,242,74,.22);border-radius:var(--r-tag);
  padding:4px 10px;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:4px;background:var(--accent-500);border-radius:2px}
.rule{width:64px;height:4px;background:var(--accent-500);border-radius:2px;margin:18px 0 0}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);box-shadow:var(--sh-sm)}
.brand-bar{border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink-900)}
.logo:hover{color:var(--ink-900)}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:var(--accent-500);color:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:19px;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.logo-sub{font-size:12.5px;letter-spacing:.08em;color:var(--ink-500)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:10px;border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink-700);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{background:var(--brand-100);border-color:var(--brand-500);transform:translateY(-1px)}
.menu-toggle{display:none}
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px}
.channel-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:12px 14px;
  font-size:15px;font-weight:500;color:var(--ink-700);
  border-radius:var(--r-btn);
}
.nav-link:hover{color:var(--brand-500);background:var(--brand-100)}
.nav-link.active{color:var(--brand-500);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  background:var(--accent-500);border-radius:2px;
}
.channel-meta{font-size:13px;color:var(--ink-500);letter-spacing:.04em;white-space:nowrap}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;cursor:pointer;
  border:1.5px solid transparent;white-space:nowrap;
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-accent{background:var(--accent-500);color:var(--ink-900)}
.btn-accent:hover{background:var(--accent-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-900)}
.btn-ghost:hover{background:var(--paper);border-color:var(--brand-500);color:var(--brand-700)}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:var(--r-btn)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;
  color:var(--brand-500);font-size:15px;background:none;border:0;padding:0;cursor:pointer;
}
.btn-link .arrow{transition:transform 200ms var(--ease)}
.btn-link:hover .arrow{transform:translateX(4px)}

/* ============ Breadcrumb ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--ink-500)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--ink-700);font-weight:600}

/* ============ Hero ============ */
.page-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:56px 0 0}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-title mark{
  background:linear-gradient(transparent 62%,var(--accent-500) 62%);
  color:inherit;padding:0 2px;
}
.hero-sub{font-size:17px;color:var(--ink-700);margin-top:18px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;box-shadow:var(--sh-md)}
.hero-visual img{width:100%;height:100%;min-height:320px;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,50,41,.28),rgba(14,50,41,.62));
}
.hero-visual .visual-note{
  position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#F6F4EF;
}
.hero-visual .visual-note strong{display:block;font-size:17px;color:#fff;letter-spacing:.02em}
.hero-visual .visual-note span{font-size:13.5px;color:rgba(246,244,239,.82)}
.hero-strip{
  margin-top:52px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:26px 0 30px;
}
.strip-item{display:flex;flex-direction:column;gap:4px}
.strip-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--brand-500);line-height:1.2}
.strip-label{font-size:13.5px;color:var(--ink-500)}

/* ============ Layout with filter ============ */
.channel-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}
.filter-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 18px;box-shadow:var(--sh-sm);position:sticky;top:124px;
}
.filter-panel h3{font-size:16px;margin-bottom:6px}
.filter-panel .panel-desc{font-size:13.5px;color:var(--ink-500);line-height:1.7;margin-bottom:16px}
.filter-list li{margin-bottom:8px}
.filter-item{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 13px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-700);font-size:15px;cursor:pointer;
  transition:background 200ms var(--ease),border-color 200ms var(--ease),color 200ms var(--ease);
  text-align:left;
}
.filter-item span.name{font-weight:500}
.filter-item:hover{background:var(--paper);border-color:var(--line-strong)}
.filter-item.active{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-900);font-weight:600}
.panel-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--ink-500);line-height:1.75;
}
.panel-note strong{color:var(--brand-700)}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 8px;
  border-radius:var(--r-tag);font-size:12.5px;letter-spacing:.04em;font-weight:600;
  background:rgba(199,242,74,.18);color:var(--brand-700);white-space:nowrap;
}
.badge-outline{
  background:transparent;border:1px solid var(--signal-600);color:var(--signal-600);
}
.badge-dark{background:var(--brand-100);color:var(--brand-900)}

/* ============ Gate cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.gate-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.gate-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(31,107,85,.35)}
.gate-media{position:relative;aspect-ratio:16/10;background:var(--paper);overflow:hidden}
.gate-media img{width:100%;height:100%;object-fit:cover}
.gate-media .badge{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.92);color:var(--brand-700)}
.gate-media .badge-outline{background:rgba(255,255,255,.92)}
.gate-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.gate-body h3{font-size:19px}
.gate-body p{font-size:15px;color:var(--ink-500);line-height:1.8;margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;letter-spacing:.04em;color:var(--brand-700);
  background:rgba(199,242,74,.18);border-radius:var(--r-tag);padding:4px 9px;font-weight:600;
}
.tag-plain{background:var(--paper);color:var(--ink-500);border:1px solid var(--line)}
.meta-line{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:12px;font-size:13.5px;color:var(--ink-500);
}

/* ============ Scene row ============ */
.scene-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;align-items:stretch}
.scene-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:10px;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.scene-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.scene-item.feature{background:var(--brand-100);border-color:rgba(31,107,85,.28)}
.scene-index{
  font-family:var(--font-num);font-size:13px;letter-spacing:.12em;
  color:var(--brand-500);font-weight:700;
}
.scene-item h3{font-size:19px}
.scene-item p{font-size:15px;color:var(--ink-700);line-height:1.8;margin:0}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px 22px;box-shadow:var(--sh-sm);
}
.step-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:var(--brand-900);
  color:var(--accent-500);font-weight:700;font-size:16px;margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-500);line-height:1.8;margin:0}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:rgba(31,107,85,.4);box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:600;color:var(--ink-900);
}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--brand-100);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  font-size:17px;line-height:1;transition:transform 200ms var(--ease),background 200ms var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--accent-500);color:var(--ink-900)}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-700)}
.faq-item.open .faq-a{display:block}

/* ============ CTA ============ */
.cta-band{background:var(--brand-900);color:rgba(246,244,239,.86);border-radius:var(--r-lg);padding:52px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;border:26px solid rgba(199,242,74,.12);
}
.cta-band h2{color:#fff}
.cta-band p{max-width:620px;margin-top:14px;font-size:15.5px;color:rgba(246,244,239,.82)}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:2}
.cta-form input{
  flex:1 1 280px;height:48px;border-radius:var(--r-btn);
  border:1.5px solid rgba(246,244,239,.28);background:rgba(246,244,239,.08);
  color:#fff;padding:0 16px;font-size:15px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease);
}
.cta-form input::placeholder{color:rgba(246,244,239,.55)}
.cta-form input:focus{
  outline:none;border-color:var(--brand-500);background:rgba(246,244,239,.12);
  box-shadow:0 0 0 3px rgba(199,242,74,.28);
}
.cta-hint{margin-top:14px;font-size:13.5px;color:rgba(246,244,239,.62)}

/* ============ Footer ============ */
.site-footer{background:var(--brand-900);color:rgba(246,244,239,.85);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(246,244,239,.6)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(246,244,239,.72);max-width:360px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(246,244,239,.76);font-size:14.5px}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:22px 0 26px;font-size:13.5px;color:rgba(246,244,239,.6);
}

/* ============ To top ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-700);cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-md);
  opacity:0;visibility:hidden;transition:opacity 200ms var(--ease),visibility 200ms var(--ease),transform 200ms var(--ease);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px);border-color:var(--brand-500)}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-row{grid-template-columns:1fr 1fr}
  .scene-item.feature{grid-column:1 / -1}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{min-height:260px}
  .hero-visual img{min-height:260px}
  .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-layout{grid-template-columns:1fr;gap:24px}
  .filter-panel{position:static;padding:18px}
  .filter-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
  .filter-list li{margin:0;scroll-snap-align:start;flex:0 0 auto}
  .filter-item{white-space:nowrap}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:40px 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .channel-bar{display:none}
  .channel-bar.open{display:block}
  .channel-inner{flex-direction:column;align-items:flex-start;gap:6px;padding:10px 0 14px}
  .channel-nav{flex-direction:column;align-items:stretch;width:100%;gap:2px}
  .nav-link{padding:11px 10px}
  .nav-link.active::after{left:10px;right:auto;width:24px}
  .channel-meta{display:none}
  .card-grid{grid-template-columns:1fr}
  .scene-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:22px 0}
  .strip-num{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .cta-band{padding:32px 22px}
  .to-top{right:16px;bottom:16px;width:42px;height:42px}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%}
  .hero-strip{grid-template-columns:1fr}
  .cta-form input{flex:1 1 100%}
  .cta-form .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand-900:#0E3229;
  --brand-700:#14493C;
  --brand-500:#1F6B55;
  --brand-100:#E4EFE9;
  --accent-500:#C7F24A;
  --accent-600:#A8D92E;
  --signal-600:#E4572E;
  --paper:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#0B1F19;
  --ink-700:#24413A;
  --ink-500:#5A6F69;
  --line:#DCD8CF;
  --line-strong:#BEB8AB;
  --radius-tag:6px;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-hero:24px;
  --shadow-sm:0 1px 2px rgba(11,31,25,.06);
  --shadow-md:0 6px 18px rgba(11,31,25,.08);
  --shadow-lg:0 18px 40px -12px rgba(11,31,25,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:.01em;}
h1{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;}
h2{font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.3;}
h3{font-size:22px;font-weight:600;line-height:1.45;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:1.5px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:#1a5c49;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-accent{background:var(--accent-500);color:var(--ink-900);}
.btn-accent:hover{background:var(--accent-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost{border-color:var(--line-strong);color:var(--ink-900);background:transparent;}
.btn-ghost:hover{background:var(--surface);border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);}
.btn-ghost-light{border-color:rgba(246,244,239,.42);color:#F6F4EF;background:rgba(255,255,255,.04);}
.btn-ghost-light:hover{background:rgba(246,244,239,.14);border-color:rgba(246,244,239,.8);color:#fff;transform:translateY(-1px);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-500);
}
.text-link::after{content:"→";transition:transform .2s var(--ease);}
.text-link:hover{color:var(--brand-700);}
.text-link:hover::after{transform:translateX(4px);}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.brand-bar{background:var(--brand-700);}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;}
.logo-mark{
  width:38px;height:38px;flex:none;
  border-radius:10px;
  background:var(--accent-500);
  color:var(--ink-900);
  font-size:19px;
  font-weight:700;
  display:grid;
  place-items:center;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-main{color:#F6F4EF;font-size:17px;font-weight:700;letter-spacing:.02em;}
.logo-sub{color:rgba(246,244,239,.66);font-size:12.5px;letter-spacing:.08em;}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;flex:none;
  display:grid;place-items:center;
  border-radius:999px;
  border:1px solid rgba(246,244,239,.3);
  background:transparent;
  color:#F6F4EF;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:rgba(246,244,239,.14);border-color:rgba(246,244,239,.62);}
.icon-btn:active{background:rgba(246,244,239,.22);}
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line);}
.channel-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:48px;
}
.channel-nav{
  display:flex;
  gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;
  padding:14px 0;
  font-size:15px;
  color:var(--ink-700);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  border-radius:3px;
  background:transparent;
  transition:background-color .2s var(--ease);
}
.nav-link:hover{color:var(--brand-500);}
.nav-link.active{color:var(--brand-500);font-weight:600;}
.nav-link.active::after{background:var(--accent-500);}
.channel-meta{
  font-size:13.5px;
  color:var(--ink-500);
  white-space:nowrap;
}

/* ============ 面包屑 ============ */
.breadcrumb{background:var(--paper);border-bottom:1px solid var(--line);}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:8px;
  padding-top:12px;
  padding-bottom:12px;
  font-size:14px;
  color:var(--ink-500);
}
.breadcrumb-inner a{color:var(--ink-500);}
.breadcrumb-inner a:hover{color:var(--brand-500);}
.breadcrumb-inner .current{color:var(--ink-700);}

/* ============ 版块通用 ============ */
.section{padding:96px 0;}
.section-surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--brand-500);
  font-weight:600;
  margin-bottom:14px;
}
.kicker::before{
  content:"";
  width:28px;height:4px;
  border-radius:2px;
  background:var(--accent-500);
}
.section-note{
  max-width:340px;
  font-size:14px;
  color:var(--ink-500);
  margin:0;
}

/* ============ 专题首屏 ============ */
.event-hero{
  position:relative;
  background:var(--brand-900);
  color:rgba(246,244,239,.88);
  overflow:hidden;
}
.event-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.24;
}
.event-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(14,50,41,.96) 0%,rgba(14,50,41,.82) 48%,rgba(14,50,41,.6) 100%);
}
.event-hero .container{position:relative;z-index:2;}
.event-hero-inner{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:48px;
  align-items:center;
  padding-top:72px;
  padding-bottom:72px;
}
.hero-label{
  display:inline-block;
  padding:6px 14px;
  margin-bottom:20px;
  border-radius:999px;
  border:1px solid rgba(199,242,74,.5);
  background:rgba(199,242,74,.12);
  color:var(--accent-500);
  font-size:13px;
  letter-spacing:.08em;
}
.event-hero h1{color:#F6F4EF;}
.event-hero h1 .hl{
  background:linear-gradient(to top,rgba(199,242,74,.42) 0 32%,transparent 32%);
  padding-bottom:2px;
}
.hero-sub{
  margin:20px 0 32px;
  max-width:600px;
  font-size:17px;
  line-height:1.8;
  color:rgba(246,244,239,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  padding-top:26px;
  border-top:1px solid rgba(246,244,239,.18);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats .num{
  font-size:26px;
  font-weight:700;
  color:var(--accent-500);
  line-height:1.2;
}
.hero-stats span:last-child{font-size:13.5px;color:rgba(246,244,239,.66);}
.event-hero-media{
  margin:0;
  border-radius:var(--radius-hero);
  overflow:hidden;
  border:1px solid rgba(246,244,239,.18);
  box-shadow:var(--shadow-lg);
}
.event-hero-media img{
  width:100%;
  height:340px;
  object-fit:cover;
}

/* ============ 瀑布式卡片 ============ */
.masonry{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.masonry-col{display:flex;flex-direction:column;gap:24px;}
.event-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.event-card:hover{
  border-color:rgba(31,107,85,.35);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.event-card-media{overflow:hidden;}
.event-card-media img{
  width:100%;
  height:224px;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.event-card.media-lg .event-card-media img{height:300px;}
.event-card:hover .event-card-media img{transform:scale(1.02);}
.event-card-body{padding:24px;}
.event-card-body h3{margin-bottom:10px;font-size:20px;}
.event-card-body p{font-size:15.5px;color:var(--ink-700);margin-bottom:18px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:25px;
  padding:0 10px;
  border-radius:var(--radius-tag);
  background:rgba(199,242,74,.18);
  color:var(--brand-700);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.tag-plain{background:var(--brand-100);color:var(--brand-700);}
.tag-signal{background:transparent;border:1px solid var(--signal-600);color:var(--signal-600);}
.event-card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--ink-500);
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:30px;
  border-left:2px solid var(--line);
}
.timeline-item{
  position:relative;
  padding:0 0 34px 22px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-38px;
  top:8px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--paper);
  border:3px solid var(--brand-500);
}
.timeline-item.now::before{background:var(--accent-500);border-color:var(--brand-500);}
.timeline-time{
  display:inline-block;
  margin-bottom:6px;
  font-size:13.5px;
  font-weight:700;
  color:var(--signal-600);
  letter-spacing:.04em;
}
.timeline-item h3{font-size:19px;margin-bottom:6px;}
.timeline-item p{font-size:15.5px;max-width:760px;}

/* ============ 编号步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step{
  position:relative;
  padding:28px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.step:hover{border-color:rgba(31,107,85,.35);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.step-num{
  display:grid;
  place-items:center;
  width:44px;height:44px;
  margin-bottom:18px;
  border-radius:12px;
  background:var(--brand-900);
  color:var(--accent-500);
  font-family:var(--font-num);
  font-size:16px;
  font-weight:700;
}
.step h3{font-size:18.5px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--ink-700);margin:0;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:0.85fr 1.35fr;
  gap:56px;
  align-items:start;
}
.faq-intro p{font-size:15.5px;color:var(--ink-500);margin-bottom:24px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.open{border-color:rgba(31,107,85,.45);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:18px;
  font-weight:600;
  color:var(--ink-900);
  cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-500);}
.faq-icon{
  position:relative;
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  border:1.5px solid var(--line-strong);
  transition:transform .25s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--ink-700);
  transform:translate(-50%,-50%);
  transition:opacity .2s var(--ease),background-color .2s var(--ease);
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--brand-500);background:var(--brand-100);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-700);
}

/* ============ CTA ============ */
.cta-band{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:48px;
  align-items:center;
  padding:56px;
  border-radius:var(--radius-hero);
  background:var(--brand-900);
  color:rgba(246,244,239,.86);
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(199,242,74,.08);
}
.cta-band > *{position:relative;z-index:2;}
.cta-copy h2{color:#F6F4EF;margin-bottom:14px;}
.cta-copy p{font-size:15.5px;color:rgba(246,244,239,.72);}
.field-label{display:block;font-size:14px;margin-bottom:8px;color:rgba(246,244,239,.82);}
.field-row{display:flex;gap:12px;}
.field-row input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1.5px solid rgba(246,244,239,.3);
  background:rgba(255,255,255,.06);
  color:#F6F4EF;
  font-size:15.5px;
  font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field-row input::placeholder{color:rgba(246,244,239,.45);}
.field-row input:focus{
  outline:none;
  border-color:var(--accent-500);
  box-shadow:0 0 0 3px rgba(199,242,74,.22);
}
.field-hint{margin:12px 0 0;font-size:14px;color:rgba(246,244,239,.62);}
.field-hint-error{color:#F7A98C;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(246,244,239,.85);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(246,244,239,.12);
}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(246,244,239,.66);
  max-width:380px;
}
.footer-col h4{
  color:#F6F4EF;
  font-size:15.5px;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14.5px;
  color:rgba(246,244,239,.72);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--accent-500);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0 26px;
  font-size:13.5px;
  color:rgba(246,244,239,.6);
}
.footer-bottom .num{color:rgba(246,244,239,.72);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;height:46px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:var(--surface);
  color:var(--brand-700);
  cursor:pointer;
  box-shadow:var(--shadow-md);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background-color .2s var(--ease);
  z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-100);}
.to-top svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding-left:24px;padding-right:24px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .event-hero-inner{
    grid-template-columns:1fr;
    gap:36px;
    padding-top:56px;
    padding-bottom:56px;
  }
  .event-hero-media img{height:280px;}
  .masonry{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .channel-meta{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .container{padding-left:20px;padding-right:20px;}
  .brand-inner{min-height:58px;}
  .logo-mark{width:34px;height:34px;font-size:17px;border-radius:9px;}
  .logo-main{font-size:15.5px;}
  .logo-sub{font-size:11.5px;}
  .header-actions{gap:8px;}
  .icon-btn{width:36px;height:36px;}
  .btn-sm{height:36px;padding:0 14px;font-size:13.5px;}
  .channel-nav{gap:20px;}
  .nav-link{font-size:14.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-note{max-width:none;}
  .hero-stats{gap:24px;}
  .hero-stats .num{font-size:22px;}
  .hero-actions .btn{flex:1 1 auto;}
  .event-hero-media img{height:220px;}
  .event-card-media img{height:200px;}
  .event-card.media-lg .event-card-media img{height:230px;}
  .event-card-body{padding:20px;}
  .steps{grid-template-columns:1fr;}
  .timeline{padding-left:20px;}
  .timeline-item{padding-left:16px;}
  .timeline-item::before{left:-28px;}
  .faq-q{font-size:16.5px;padding:18px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-band{padding:28px;border-radius:20px;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .to-top{right:16px;bottom:16px;width:42px;height:42px;}
}
@media (max-width:479px){
  h3{font-size:19px;}
  .hero-sub{font-size:15.5px;}
  .event-card-body h3{font-size:18.5px;}
}