/* roulang page: index */
:root{
  --primary:#4A1E6E;
  --primary-deep:#2E1046;
  --green:#6E9B4E;
  --orange:#E0873F;
  --bg:#FAF7F1;
  --card:#FFFFFF;
  --line:#E6DFD3;
  --ink:#1B1620;
  --muted:#5A5460;
  --radius:4px;
  --radius-sm:2px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --pad-desktop:96px;
  --pad-tablet:72px;
  --pad-mobile:56px;
  --bs-primary:#4A1E6E;
  --bs-primary-rgb:74,30,110;
  --bs-body-bg:#FAF7F1;
  --bs-body-color:#1B1620;
  --bs-border-color:#E6DFD3;
  --bs-border-radius:4px;
  --bs-link-color:#4A1E6E;
  --bs-link-hover-color:#2E1046;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:0;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
::selection{background:rgba(74,30,110,.14);}

.container{max-width:1200px;padding-left:32px;padding-right:32px;}
@media (min-width:1440px){.container{max-width:1320px;}}
@media (max-width:991.98px){.container{padding-left:24px;padding-right:24px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,247,241,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease-out;
}
.site-header.is-compact{box-shadow:0 8px 24px rgba(27,22,32,.06);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 14px;
  transition:padding .24s ease-out;
}
.site-header.is-compact .brand-row{padding:7px 0;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);font-weight:700;font-size:21px;line-height:1.2;
  color:var(--ink);letter-spacing:-.01em;
  transition:font-size .24s ease-out,color .18s ease;
}
.site-header.is-compact .brand{font-size:17px;}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:11px;height:11px;border-radius:2px;background:var(--primary);
  display:inline-block;flex:0 0 auto;
}
.brand-tools{display:flex;align-items:center;gap:12px;}
.icon-btn,.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border:1px solid var(--line);background:#fff;
  border-radius:var(--radius);color:var(--muted);cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover,.menu-btn:hover{border-color:var(--primary);color:var(--primary);}
.icon-btn:focus-visible,.menu-btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;border:1px solid var(--primary);
  border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;
  padding:8px 18px;line-height:1.6;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.btn-brand:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff;}
.btn-brand:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.channel-row{border-top:1px solid var(--line);}
.channel-row ul{display:flex;align-items:center;gap:30px;}
.channel-row a{
  display:inline-block;position:relative;
  padding:11px 0;font-size:13.5px;color:var(--muted);letter-spacing:.02em;
  transition:color .18s ease,font-size .24s ease-out;
}
.channel-row a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:3px;
  background:var(--primary);transition:width .24s ease-out;
}
.channel-row a:hover{color:var(--ink);}
.channel-row a.active{color:var(--ink);font-weight:500;}
.channel-row a.active::after{width:100%;}
.site-header.is-compact .channel-row a{padding:8px 0;font-size:13px;}

.offcanvas{border-left:1px solid var(--line);background:var(--bg);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-title{font-family:var(--serif);font-size:17px;color:var(--ink);}
.drawer-nav li{border-bottom:1px solid var(--line);}
.drawer-nav a{display:block;font-size:15px;line-height:52px;color:var(--ink);}
.drawer-nav a.active{color:var(--primary);font-weight:600;}

/* ============ 通用排版 ============ */
.section{padding:var(--pad-desktop) 0;}
.section + .section{border-top:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:40px;}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--orange);margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.section-desc{color:var(--muted);font-size:15px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--primary);font-weight:500;
  background-image:linear-gradient(var(--primary),var(--primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0% 1px;
  padding-bottom:2px;
  transition:background-size .2s ease,color .18s ease;
}
.link-arrow:hover{color:var(--primary-deep);background-size:100% 1px;}
.link-arrow::after{content:"\2192";transition:transform .18s ease;}
.link-arrow:hover::after{transform:translateX(3px);}
.badge-soft{
  display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--primary);border:1px solid var(--primary);border-radius:var(--radius-sm);
  padding:2px 8px;background:transparent;line-height:1.7;
}
.badge-soft--green{color:var(--green);border-color:var(--green);}

/* ============ 首屏 ============ */
.hero{padding:76px 0 84px;}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--orange);margin-bottom:18px;
}
.hero h1{font-size:clamp(30px,4vw,48px);margin-bottom:16px;}
.hero-sub{
  font-family:var(--serif);font-size:17px;font-weight:600;
  color:var(--primary);margin-bottom:18px;
}
.hero-lead{color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-bottom:22px;}
.hero-meta{
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--muted);margin:0;
}
.hero-figure{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;aspect-ratio:16/9;background:#fff;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:rgba(74,30,110,.12);pointer-events:none;
}
.hero-figure:hover img{transform:scale(1.02);}

/* ============ 指标 ============ */
.metric-row{
  display:grid;grid-template-columns:repeat(5,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.metric{padding:30px 20px 28px;border-left:1px solid var(--line);}
.metric:first-child{border-left:none;}
.metric-num{
  font-family:var(--mono);font-size:clamp(26px,2.8vw,38px);font-weight:500;
  line-height:1;letter-spacing:-.02em;color:var(--primary);
}
.metric-num .unit{font-size:13px;color:var(--muted);margin-left:5px;letter-spacing:0;}
.metric-label{margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ============ 栏目矩阵 ============ */
.matrix-grid{display:grid;grid-template-columns:2fr 1fr;gap:48px;}
.matrix-main{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);overflow:hidden;
  transition:border-color .2s ease;
}
.matrix-main:hover{border-color:var(--primary);}
.matrix-main-media{overflow:hidden;}
.matrix-main-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s ease;
}
.matrix-main:hover .matrix-main-media img{transform:scale(1.02);}
.matrix-main-body{padding:26px 28px 28px;}
.matrix-main-body h3{font-size:20px;margin:12px 0 10px;}
.matrix-main-body p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}
.matrix-list{padding-left:14px;}
.matrix-list li{
  position:relative;display:flex;gap:18px;align-items:baseline;
  padding:18px 0;border-bottom:1px solid var(--line);
  transition:padding-left .2s ease;
}
.matrix-list li:first-child{padding-top:2px;}
.matrix-list li:hover{padding-left:8px;}
.matrix-list li::before{
  content:"";position:absolute;left:-14px;top:22px;width:3px;height:0;
  background:var(--primary);transition:height .2s ease;
}
.matrix-list li:hover::before{height:18px;}
.matrix-list .idx{
  font-family:var(--mono);font-size:13px;color:var(--orange);letter-spacing:.06em;flex:0 0 auto;
}
.matrix-list h3{font-size:16.5px;margin-bottom:5px;}
.matrix-list p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ 对比 ============ */
.compare{
  display:grid;grid-template-columns:1fr 1fr;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.compare-col{padding:34px 0;}
.compare-col h3{font-size:18px;margin-bottom:18px;}
.compare-col--before{padding-right:44px;color:var(--muted);}
.compare-col--before h3{color:var(--muted);}
.compare-col--after{padding-left:44px;border-left:1px solid var(--line);}
.compare-col--after h3{color:var(--primary);}
.compare-col ul{margin-bottom:6px;}
.compare-col li{
  padding:10px 0;font-size:14.5px;border-bottom:1px dashed var(--line);
}
.compare-num{
  font-family:var(--mono);font-size:clamp(36px,3.6vw,54px);line-height:1;
  letter-spacing:-.03em;margin-top:26px;
}
.compare-col--before .compare-num{color:#9A93A0;}
.compare-col--after .compare-num{color:var(--primary);}
.compare-note{font-size:13px;color:var(--muted);margin-top:10px;}

/* ============ 里程碑 ============ */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);position:relative;}
.timeline::before{
  content:"";position:absolute;top:5px;left:0;right:0;height:1px;background:var(--line);
}
.timeline li{position:relative;padding:34px 26px 0 0;}
.timeline .dot{
  position:absolute;top:0;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--primary);
}
.tl-no{
  display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;
  color:var(--orange);margin-bottom:5px;
}
.tl-year{
  display:block;font-family:var(--mono);font-size:15px;color:var(--ink);margin-bottom:8px;
}
.timeline p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ 资讯列表 ============ */
.news-list{border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:184px 1fr;gap:28px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.news-thumb{
  overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
}
.news-thumb img{
  width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .2s ease;
}
.news-item:hover .news-thumb img{transform:scale(1.02);}
.news-item h3{font-size:17px;margin-bottom:8px;}
.news-item p{
  font-size:14px;color:var(--muted);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{
  font-family:var(--mono);font-size:12px;color:var(--orange);letter-spacing:.06em;
}
.news-more{margin-top:28px;}

/* ============ 平台保障 ============ */
.guard-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.guard-cell{
  padding:30px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.guard-cell:hover{background:rgba(74,30,110,.03);}
.guard-cell i{display:block;font-size:18px;color:var(--green);margin-bottom:14px;}
.guard-cell h3{font-size:16px;margin-bottom:8px;}
.guard-cell p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ 快速解答 ============ */
.qa-row{display:grid;grid-template-columns:repeat(4,1fr);}
.qa-item{padding:0 28px;border-left:1px solid var(--line);}
.qa-item:first-child{border-left:none;padding-left:0;}
.qa-item:last-child{padding-right:0;}
.qa-q{font-weight:600;font-size:15px;margin-bottom:10px;}
.qa-a{font-size:13.8px;color:var(--muted);margin:0;}

/* ============ FAQ ============ */
.faq-wrap{border-top:1px solid var(--line);}
.faq-wrap .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq-wrap .accordion-button{
  background:transparent;box-shadow:none;
  font-family:var(--serif);font-weight:700;font-size:16.5px;color:var(--ink);
  padding:22px 16px 22px 16px;
  border-left:3px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.faq-wrap .accordion-button:not(.collapsed){
  color:var(--primary);background:transparent;border-left-color:var(--primary);
}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:none;}
.faq-wrap .accordion-button::after{
  content:"\FF0B";background-image:none;width:auto;height:auto;
  font-family:var(--mono);font-size:15px;color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transform:none;margin-left:auto;
}
.faq-wrap .accordion-button:not(.collapsed)::after{content:"\FF0D";transform:none;}
.faq-wrap .accordion-body{
  padding:0 44px 24px 19px;color:var(--muted);font-size:14.5px;
}

/* ============ 表单 ============ */
.form-panel{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);padding:42px 40px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 26px;}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field--full{grid-column:1 / -1;}
.form-label-sm{font-size:13.5px;color:var(--muted);letter-spacing:.02em;}
.form-control,.form-select{
  border:1px solid var(--line);border-radius:var(--radius);
  background:#FDFCFA;padding:11px 14px;font-size:14.5px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);box-shadow:0 0 0 1px var(--primary);
  background:#fff;outline:none;
}
.form-control::placeholder{color:#A8A2AD;}
textarea.form-control{resize:vertical;min-height:104px;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;border:1px solid var(--primary);
  border-radius:var(--radius-sm);padding:12px 30px;font-size:14.5px;font-weight:500;
  cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.btn-solid:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff;}
.btn-solid:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.form-note{font-size:13px;color:var(--green);margin-top:14px;min-height:20px;}

/* ============ 专题 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.topic-card{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-2px);border-color:var(--primary);}
.topic-thumb{overflow:hidden;}
.topic-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .28s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.02);}
.topic-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.topic-body h3{font-size:17px;margin:10px 0 10px;}
.topic-body p{font-size:13.8px;color:var(--muted);margin-bottom:16px;flex:1;}
.topic-no{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);
}

/* ============ 场景 ============ */
.scene-list{border-top:1px solid var(--line);}
.scene-list li{
  display:grid;grid-template-columns:48px 1fr;gap:20px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:padding-left .2s ease;
}
.scene-list li:hover{padding-left:8px;}
.scene-list i{font-size:18px;color:var(--primary);}
.scene-list h3{font-size:16px;margin-bottom:5px;}
.scene-list p{font-size:13.8px;color:var(--muted);margin:0;}

/* ============ 榜单 ============ */
.rank-list{border-top:1px solid var(--line);}
.rank-list li{
  display:grid;grid-template-columns:68px 1fr 128px;gap:26px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.rank-no{
  font-family:var(--mono);font-size:26px;line-height:1;color:var(--orange);letter-spacing:-.02em;
}
.rank-list h3{font-size:17px;margin-bottom:6px;}
.rank-list p{font-size:13.8px;color:var(--muted);margin:0;}
.rank-thumb{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);}
.rank-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .2s ease;}
.rank-list li:hover .rank-thumb img{transform:scale(1.02);}

/* ============ 订阅条 ============ */
.subbar{
  max-width:640px;margin:0 auto;text-align:center;
  padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.subbar h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:12px;}
.subbar p{color:var(--muted);font-size:14.5px;margin-bottom:22px;}
.subbar-form{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.subbar-form .form-control{flex:1 1 300px;max-width:380px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-deep);color:rgba(250,247,241,.78);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-family:var(--serif);
  font-size:19px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-mark{background:var(--orange);}
.site-footer h4{
  font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;
  letter-spacing:.04em;margin-bottom:16px;
}
.site-footer p{font-size:13.8px;color:rgba(250,247,241,.66);}
.site-footer a{
  display:inline-block;padding:5px 0;font-size:14px;color:rgba(250,247,241,.72);
}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-col li{display:block;}
.site-footer .form-control{
  background:rgba(255,255,255,.07);border-color:rgba(250,247,241,.24);
  color:#fff;
}
.site-footer .form-control::placeholder{color:rgba(250,247,241,.45);}
.site-footer .form-control:focus{
  border-color:var(--orange);box-shadow:0 0 0 1px var(--orange);background:rgba(255,255,255,.1);
}
.site-footer .btn-solid{background:var(--orange);border-color:var(--orange);}
.site-footer .btn-solid:hover{background:#C97430;border-color:#C97430;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(250,247,241,.16);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(250,247,241,.58);
}

/* ============ 动效 ============ */
html.js .reveal{opacity:0;transform:translateY(12px);
  transition:opacity .4s ease-out,transform .4s ease-out;}
html.js .reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:var(--pad-tablet) 0;}
}
@media (max-width:991.98px){
  .section{padding:var(--pad-tablet) 0;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .metric-row{grid-template-columns:repeat(3,1fr);}
  .metric:nth-child(3n+1){border-left:none;}
  .matrix-grid{grid-template-columns:1fr;gap:36px;}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .qa-row{grid-template-columns:1fr 1fr;row-gap:30px;}
  .qa-item{padding:0 24px;}
  .qa-item:nth-child(odd){border-left:none;padding-left:0;}
  .qa-item:nth-child(even){padding-right:0;}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:36px;}
  .timeline::before{display:none;}
  .timeline li{padding:30px 20px 0 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .form-panel{padding:34px 28px;}
  .topic-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .compare{grid-template-columns:1fr;}
  .compare-col--before{padding-right:0;padding-bottom:30px;border-bottom:1px solid var(--line);}
  .compare-col--after{padding-left:0;border-left:none;}
  .timeline{grid-template-columns:1fr;}
  .timeline li{padding:0 0 26px 28px;position:relative;}
  .timeline .dot{left:0;top:6px;}
  .timeline li:last-child{padding-bottom:0;}
  .news-item{grid-template-columns:130px 1fr;gap:18px;}
  .rank-list li{grid-template-columns:52px 1fr;gap:18px;}
  .rank-thumb{display:none;}
  .guard-grid{grid-template-columns:1fr;}
  .qa-row{grid-template-columns:1fr;}
  .qa-item{padding:0 0 0 16px;border-left:1px solid var(--line);margin-bottom:0;}
  .qa-item:first-child{border-left:1px solid var(--line);padding-left:16px;}
  .qa-item + .qa-item{margin-top:24px;}
  .topic-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .faq-wrap .accordion-button{padding:18px 12px;font-size:15.5px;}
  .faq-wrap .accordion-body{padding:0 12px 22px 15px;}
}
@media (max-width:575.98px){
  .section{padding:var(--pad-mobile) 0;}
  .hero{padding:44px 0 56px;}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(3n+1){border-left:1px solid var(--line);}
  .metric:nth-child(odd){border-left:none;}
  .matrix-main-body{padding:22px 20px 24px;}
  .news-item{grid-template-columns:1fr;gap:16px;}
  .news-thumb img{aspect-ratio:16/9;}
  .form-panel{padding:26px 20px;}
  .form-grid .btn-solid{width:100%;}
  .subbar-form .form-control{max-width:100%;flex:1 1 100%;}
  .subbar-form .btn-solid{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .hero-actions{gap:16px;}
}

/* roulang page: category1 */
:root{
 --primary:#4A1E6E;
 --primary-deep:#2E1046;
 --green:#6E9B4E;
 --orange:#E0873F;
 --bg:#FAF7F1;
 --card:#FFFFFF;
 --line:#E6DFD3;
 --ink:#1B1620;
 --muted:#5A5460;
 --radius:4px;
 --radius-sm:2px;
 --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
 --sans:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
 --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
 --pad-desktop:96px;
 --pad-tablet:72px;
 --pad-mobile:56px;
 --bs-primary:#4A1E6E;
 --bs-primary-rgb:74,30,110;
 --bs-body-bg:#FAF7F1;
 --bs-body-color:#1B1620;
 --bs-border-color:#E6DFD3;
 --bs-border-radius:4px;
 --bs-link-color:#4A1E6E;
 --bs-link-hover-color:#2E1046;
}
/* ===== 基础 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:var(--sans);
 font-size:15.5px;
 line-height:1.8;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{margin:0 0 14px;font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.28;color:var(--ink);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1320px;margin:0 auto;padding-left:32px;padding-right:32px;}
@media (max-width:991.98px){.container{padding-left:24px;padding-right:24px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}
::selection{background:var(--primary);color:#fff;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}

/* ===== 导航 ===== */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(250,247,241,.94);
 -webkit-backdrop-filter:blur(8px);
 backdrop-filter:blur(8px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .24s ease-out;
}
.site-header.is-compact{box-shadow:0 8px 24px rgba(27,22,32,.06);}
.brand-row{
 display:flex;align-items:center;justify-content:space-between;gap:20px;
 padding:20px 0 14px;
 transition:padding .24s ease-out;
}
.site-header.is-compact .brand-row{padding:7px 0;}
.brand{
 display:inline-flex;align-items:center;gap:10px;
 font-family:var(--serif);font-weight:700;font-size:21px;line-height:1.2;
 color:var(--ink);letter-spacing:-.01em;
 transition:font-size .24s ease-out,color .18s ease;
}
.site-header.is-compact .brand{font-size:17px;}
.brand:hover{color:var(--primary);}
.brand-mark{width:11px;height:11px;border-radius:2px;background:var(--primary);display:inline-block;flex:0 0 auto;}
.brand-tools{display:flex;align-items:center;gap:12px;}
.icon-btn,.menu-btn{
 display:inline-flex;align-items:center;justify-content:center;
 width:36px;height:36px;border:1px solid var(--line);background:#fff;
 border-radius:var(--radius);color:var(--muted);cursor:pointer;
 transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover,.menu-btn:hover{border-color:var(--primary);color:var(--primary);}
.btn-brand{
 display:inline-flex;align-items:center;justify-content:center;
 background:var(--primary);color:#fff;border:1px solid var(--primary);
 border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;
 padding:8px 18px;line-height:1.6;cursor:pointer;
 transition:background .18s ease,border-color .18s ease;
}
.btn-brand:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff;}
.channel-row{border-top:1px solid var(--line);}
.channel-row ul{display:flex;align-items:center;gap:30px;}
.channel-row a{
 display:inline-block;position:relative;
 padding:11px 0;font-size:13.5px;color:var(--muted);letter-spacing:.02em;
 transition:color .18s ease,font-size .24s ease-out;
}
.channel-row a::after{
 content:"";position:absolute;left:0;bottom:0;width:0;height:3px;
 background:var(--primary);transition:width .24s ease-out;
}
.channel-row a:hover{color:var(--ink);}
.channel-row a.active{color:var(--ink);font-weight:500;}
.channel-row a.active::after{width:100%;}
.site-header.is-compact .channel-row a{padding:8px 0;font-size:13px;}
.offcanvas{border-left:1px solid var(--line);background:var(--bg);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-title{font-family:var(--serif);font-size:17px;color:var(--ink);margin:0;}
.drawer-nav li{border-bottom:1px solid var(--line);}
.drawer-nav a{display:block;font-size:15px;line-height:52px;color:var(--ink);}
.drawer-nav a.active{color:var(--primary);font-weight:600;}

/* ===== 通用排版 ===== */
.section{padding:var(--pad-desktop) 0;}
.section + .section{border-top:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:40px;}
.eyebrow{
 font-family:var(--mono);font-size:12px;letter-spacing:.1em;
 text-transform:uppercase;color:var(--orange);margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.section-desc{color:var(--muted);font-size:15px;}
.link-arrow{
 display:inline-flex;align-items:center;gap:6px;
 font-size:14px;color:var(--primary);font-weight:500;
 background-image:linear-gradient(var(--primary),var(--primary));
 background-repeat:no-repeat;background-position:0 100%;background-size:0% 1px;
 padding-bottom:2px;
 transition:background-size .2s ease,color .18s ease;
}
.link-arrow:hover{color:var(--primary-deep);background-size:100% 1px;}
.link-arrow::after{content:"\2192";transition:transform .18s ease;}
.link-arrow:hover::after{transform:translateX(3px);}
.badge-soft{
 display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;
 color:var(--primary);border:1px solid var(--primary);border-radius:var(--radius-sm);
 padding:2px 8px;background:transparent;line-height:1.7;
}
.badge-soft--green{color:var(--green);border-color:var(--green);}
.badge-soft--orange{color:var(--orange);border-color:var(--orange);}
.btn-solid{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 background:var(--primary);color:#fff;border:1px solid var(--primary);
 border-radius:var(--radius-sm);font-size:14px;font-weight:500;
 padding:11px 26px;line-height:1.6;cursor:pointer;
 transition:background .18s ease,border-color .18s ease;
}
.btn-solid:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff;}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;
 background:transparent;color:var(--primary);border:1px solid var(--primary);
 border-radius:var(--radius-sm);font-size:14px;font-weight:500;
 padding:11px 26px;line-height:1.6;cursor:pointer;
 transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-ghost:hover{background:rgba(74,30,110,.06);color:var(--primary-deep);border-color:var(--primary-deep);}

/* ===== 分类首屏 ===== */
.cat-hero{position:relative;padding:64px 0 58px;overflow:hidden;border-bottom:1px solid var(--line);}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background-image:url("/assets/images/backpic/back-2.jpg");
 background-size:cover;background-position:center;opacity:.07;
}
.cat-hero .container{position:relative;z-index:1;}
.crumb{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);margin-bottom:20px;}
.crumb a:hover{color:var(--primary);}
.crumb span{color:var(--orange);}
.cat-hero-inner{border-left:3px solid var(--primary);padding-left:26px;max-width:860px;}
.cat-hero h1{font-size:clamp(30px,4vw,46px);margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.cat-hero-note{color:var(--muted);font-size:16px;max-width:640px;margin-bottom:0;}
.cat-hero-meta{
 display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;
 font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.cat-hero-meta span{border:1px solid var(--line);border-radius:var(--radius-sm);padding:3px 10px;background:#fff;}

/* ===== 指标条 ===== */
.stat-strip{border-bottom:1px solid var(--line);background:#fff;}
.stat-strip-inner{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-cell{padding:30px 26px 30px 0;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-num{
 font-family:var(--mono);font-size:clamp(22px,2.6vw,32px);font-weight:500;
 color:var(--primary);line-height:1.2;
}
.stat-num small{font-size:14px;color:var(--muted);margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ===== 筛选工具条 ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:26px 0 0;}
.pill{
 display:inline-flex;align-items:center;
 font-size:13.5px;line-height:1;
 padding:9px 18px;border:1px solid var(--line);border-radius:999px;
 background:transparent;color:var(--muted);cursor:pointer;
 transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.pill:hover{border-color:var(--primary);color:var(--primary);}
.pill.is-on{background:var(--primary);border-color:var(--primary);color:#fff;}
.filter-count{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.06em;}

/* ===== 列表主体 ===== */
.entry-list{margin-top:34px;}
.entry-row{
 display:grid;grid-template-columns:300px 1fr;gap:30px;
 padding:30px 0;border-top:1px solid var(--line);
 transition:background .2s ease;
}
.entry-row:last-child{border-bottom:1px solid var(--line);}
.entry-thumb{
 position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
 aspect-ratio:4/3;background:#fff;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
.entry-row:hover .entry-thumb img{transform:scale(1.02);}
.entry-body h3{font-size:19px;margin-bottom:10px;}
.entry-row:hover .entry-body h3{color:var(--primary);}
.entry-body p{color:var(--muted);font-size:14.5px;margin-bottom:12px;}
.entry-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em;}
.entry-meta .date{color:var(--orange);}

.cover-grid{
 display:grid;grid-template-columns:repeat(3,1fr);gap:30px;
 padding:34px 0 0;
}
.cover-card{
 border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;
 transition:transform .18s ease,border-color .18s ease;
}
.cover-card:hover{transform:translateY(-2px);border-color:var(--primary);}
.cover-card .thumb{aspect-ratio:4/3;overflow:hidden;border-bottom:1px solid var(--line);}
.cover-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
.cover-card:hover .thumb img{transform:scale(1.02);}
.cover-card .body{padding:20px 22px 22px;}
.cover-card h3{font-size:17px;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cover-card:hover h3{color:var(--primary);}
.cover-card p{font-size:14px;color:var(--muted);margin-bottom:12px;}
.cover-card .entry-meta{font-size:11.5px;}
.list-foot{padding:34px 0 0;display:flex;justify-content:flex-end;}

/* ===== 专题推荐 ===== */
.topic-list{border-top:1px solid var(--line);}
.topic-row{
 display:grid;grid-template-columns:88px 1fr 220px;gap:28px;align-items:center;
 padding:26px 0;border-bottom:1px solid var(--line);
 transition:padding-left .2s ease;
}
.topic-row:hover{padding-left:6px;}
.topic-no{font-family:var(--mono);font-size:30px;color:var(--orange);line-height:1;}
.topic-row h3{font-size:18px;margin-bottom:6px;}
.topic-row .topic-txt{font-size:14px;color:var(--muted);margin:0;}
.topic-thumb{aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-button{
 position:relative;background:transparent;box-shadow:none;
 padding:22px 34px 22px 38px;font-size:16.5px;font-weight:600;color:var(--ink);
 border-left:0 solid transparent;
 transition:color .18s ease,border-color .18s ease;
}
.accordion-button::after{display:none;}
.accordion-button::before{
 content:"＋";position:absolute;left:6px;top:50%;transform:translateY(-50%);
 font-family:var(--mono);font-size:16px;color:var(--primary);
}
.accordion-button:not(.collapsed)::before{content:"－";}
.accordion-button:not(.collapsed){
 background:transparent;color:var(--primary);box-shadow:none;
 border-left:3px solid var(--primary);padding-left:35px;
}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-body{padding:0 34px 24px 38px;color:var(--muted);font-size:15px;}

/* ===== 订阅条 ===== */
.substrip{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:42px 40px;}
.substrip-inner{max-width:640px;margin:0 auto;text-align:center;}
.substrip h2{font-size:22px;margin-bottom:10px;}
.substrip p{color:var(--muted);font-size:14.5px;margin-bottom:22px;}
.sub-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--green);margin-top:12px;min-height:18px;}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud span{
 font-size:13px;color:var(--muted);
 border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:6px 14px;background:#fff;
 transition:border-color .18s ease,color .18s ease;
}
.tag-cloud span:hover{border-color:var(--primary);color:var(--primary);}

/* ===== 表单控件 ===== */
.form-control{
 border:1px solid var(--line);border-radius:var(--radius);background:#fff;
 padding:10px 14px;font-size:14.5px;color:var(--ink);
 transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control:focus{
 border-color:var(--primary);box-shadow:0 0 0 2px rgba(74,30,110,.18);
 background:#fff;color:var(--ink);
}
.form-control::placeholder{color:#9A93A2;}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-deep);color:#EDE6F2;margin-top:0;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{
 display:inline-flex;align-items:center;gap:10px;
 font-family:var(--serif);font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand .brand-mark{background:#B98BEA;}
.site-footer p{color:#C9BED6;font-size:14px;}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#C9BED6;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.site-footer .form-control{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2);color:#fff;}
.site-footer .form-control::placeholder{color:#A798B6;}
.site-footer .form-control:focus{border-color:#B98BEA;box-shadow:0 0 0 2px rgba(185,139,234,.25);}
.site-footer .btn-solid{background:#fff;border-color:#fff;color:var(--primary-deep);}
.site-footer .btn-solid:hover{background:#DCC9F0;border-color:#DCC9F0;color:var(--primary-deep);}
.site-footer .form-note{color:#A9D48A;}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
 font-size:12.5px;color:#A798B6;
}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto;}
 *,*::before,*::after{animation:none!important;transition:none!important;}
 .reveal{opacity:1;transform:none;}
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
 .cover-grid{grid-template-columns:repeat(3,1fr);gap:24px;}
 .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
 .section{padding:var(--pad-tablet) 0;}
 .entry-row{grid-template-columns:240px 1fr;gap:22px;}
 .topic-row{grid-template-columns:64px 1fr;gap:20px;}
 .topic-thumb{display:none;}
 .cover-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
 .stat-strip-inner{grid-template-columns:repeat(2,1fr);}
 .stat-cell:nth-child(2){border-right:0;}
 .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:767.98px){
 .cover-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
 .cat-hero{padding:48px 0 44px;}
 .cat-hero-inner{padding-left:18px;}
 .substrip{padding:32px 22px;}
 .topic-no{font-size:22px;}
}
@media (max-width:575.98px){
 .section{padding:var(--pad-mobile) 0;}
 .entry-row{grid-template-columns:1fr;}
 .cover-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .stat-strip-inner{grid-template-columns:1fr;}
 .stat-cell{border-right:0;border-bottom:1px solid var(--line);padding:22px 0;}
 .stat-cell:last-child{border-bottom:0;}
 .sub-form .form-control{width:100%;}
 .sub-form .btn-solid{width:100%;}
 .filter-count{margin-left:0;width:100%;}
 .entry-body h3{font-size:17.5px;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}