/* roulang page: index */
:root{
  --brand:#6D5AE6;
  --brand-light:#8f7dff;
  --ink:#141820;
  --muted:#647084;
  --line:#E5E7EB;
  --bg:#F7F7FA;
  --panel:#FFFFFF;
  --dark:#171A26;
  --dark-2:#0F111A;
  --sun:#F5C344;
  --mint:#3DD6D0;
  --berry:#FF4D8F;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 4px 20px rgba(15,17,26,.05);
  --shadow-hover:0 10px 30px rgba(15,17,26,.11);
  --container:1220px;
  --nav-width:262px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:14px}
h1,h2,h3,h4,h5{line-height:1.3;margin:0;font-weight:800}
p{margin:0 0 14px}
ul{padding:0;margin:0;list-style:none}
figure{margin:0}
:focus-visible{outline:3px solid rgba(109,90,230,.38);outline-offset:2px;border-radius:4px}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#e8e9ef}
::-webkit-scrollbar-thumb{background:#9da3b5;border-radius:12px}
::-webkit-scrollbar-thumb:hover{background:#7b8195}

/* 布局 */
.app-shell{display:block;width:100%}
.side-rail{
  width:var(--nav-width);
  min-height:100vh;
  background:linear-gradient(180deg,#151827,#0d0f18 55%);
  color:#fff;
  position:fixed;
  inset:0 auto 0 0;
  display:flex;
  flex-direction:column;
  padding:0 18px 18px;
  z-index:40;
}
.main-stage{
  margin-left:var(--nav-width);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.page-frame{flex:1;width:100%}
.container{
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:28px;
  padding-right:28px;
}

/* 品牌 */
.side-brand{
  padding:24px 6px 18px;
  display:flex;
  align-items:center;
  gap:10px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:13px;
  background:var(--brand);
  color:#fff;
  font-size:12px;
  font-weight:900;
  letter-spacing:-.5px;
  position:relative;
  overflow:hidden;
  box-shadow:0 0 24px rgba(109,90,230,.42);
}
.brand-mark::after{
  content:"九";
  font-style:normal;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-weight:800;font-size:17px;letter-spacing:.4px}
.brand-text span{font-size:11px;color:#a9b0c6;letter-spacing:.7px}

/* 侧栏导航 */
.main-nav{margin-top:22px;display:flex;flex-direction:column;gap:5px}
.side-label{
  color:#78819e;
  font-size:11px;
  letter-spacing:.14em;
  padding:6px 10px 6px;
  display:flex;
}
.nav-link{
  color:#c9cfdd;
  font-size:14px;
  font-weight:500;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 13px;
  border-radius:11px;
  border-left:3px solid transparent;
  transition:background .2s,color .2s,transform .15s;
}
.nav-link i{width:17px;text-align:center;font-size:14px;flex:none}
.nav-link:hover{
  background:rgba(255,255,255,.06);
  color:#fff;
  border-left:3px solid var(--brand-light);
}
.nav-link.active{
  background:rgba(109,90,230,.22);
  color:#fff;
  border-left:3px solid var(--sun);
  font-weight:700;
}
.side-notice{
  margin-top:auto;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.07);
  border-radius:16px;
  padding:14px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.side-notice i{color:var(--sun);margin-top:3px}
.side-notice p{font-size:12px;line-height:1.6;color:#c2c7d8;margin:0}
.side-foot{color:#757c92;font-size:11px;padding:12px 4px 0;line-height:1.5}

/* 移动顶部 */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:31;
  background:rgba(20,23,26,.95);
  backdrop-filter:blur(10px);
  padding:10px 16px;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-toggle{
  background:rgba(255,255,255,.08);
  color:#fff;
  border:0;
  width:40px;height:40px;
  border-radius:11px;
  font-size:17px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background .2s;
}
.drawer-toggle:hover{background:rgba(255,255,255,.14)}
.drawer-top-brand{display:inline-flex;align-items:center;gap:9px;color:#fff}
.drawer-top-brand .brand-mark{background:#fff;color:var(--dark)}
.drawer-top-brand b{font-size:15px}

/* 抽屉遮罩 */
.drawer-backdrop{
  position:fixed;
  inset:0;
  background:rgba(10,11,18,.55);
  z-index:49;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s;
}
body.drawer-open .drawer-backdrop{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;
  top:0;left:0;
  width:min(80vw,300px);
  height:100vh;
  background:#0e101a;
  padding:12px 16px 16px;
  color:#fff;
  z-index:50;
  transform:translateX(-102%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-close{
  margin-left:auto;
  background:rgba(255,255,255,.07);
  border:0;color:#fff;
  width:36px;height:36px;
  border-radius:10px;
  font-size:15px;
  cursor:pointer;
}

/* Hero */
.hero-section{padding:34px 28px 0}
.hero-cover{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  min-height:520px;
  background:linear-gradient(120deg,#141827,#232742 52%,#1b2035);
  display:flex;
  align-items:stretch;
  box-shadow:0 18px 50px rgba(20,26,50,.16);
  color:#fff;
}
.hero-poster-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.8) contrast(1.08);
}
.hero-scrim{
  position:absolute;
  inset:0;
  background:
    linear-gradient(62deg,rgba(8,9,18,.82) 20%,rgba(8,9,18,.38) 52%,rgba(9,10,20,.2)),
    linear-gradient(to top,rgba(8,10,18,.94) 0%,transparent 38%);
}
.hero-inner{
  position:relative;
  z-index:2;
  align-self:center;
  max-width:860px;
  padding:46px 42px 52px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(245,195,68,.15);
  color:var(--sun);
  border:1px solid rgba(245,195,68,.24);
  padding:6px 14px;
  border-radius:30px;
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
}
.hero-kicker i{font-size:10px;animation:blink 1.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(2rem,4.1vw,3.2rem);
  font-weight:900;
  letter-spacing:1px;
  margin:17px 0 12px;
  text-shadow:0 3px 18px rgba(0,0,0,.36);
}
.hero-sub{
  font-size:16px;
  line-height:1.8;
  color:#d7dcf2;
  max-width:560px;
  margin-bottom:24px;
  font-weight:400;
}
.hero-tagline{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-bottom:26px;
}
.hero-tagline span{
  background:rgba(255,255,255,.11);
  border:1px solid rgba(255,255,255,.1);
  border-radius:9px;
  padding:5px 10px;
  font-size:12px;
  color:#dbe0ef;
  letter-spacing:.45px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:11px;
  font-weight:800;
  font-size:14px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
  letter-spacing:.25px;
}
.btn i{font-size:13px}
.btn-primary{
  background:linear-gradient(135deg,#7C5CFF,#5a45e0);
  color:#fff;
  border-color:#7760f2;
  box-shadow:0 8px 20px rgba(98,75,226,.28);
}
.btn-primary:hover{
  background:#5d47ec;
  transform:translate(-1px,-2px);
  box-shadow:0 14px 26px rgba(98,75,226,.34);
}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{
  background:rgba(255,255,255,.07);
  color:#fff;
  border-color:rgba(255,255,255,.28);
  backdrop-filter:blur(5px);
}
.btn-secondary:hover{
  background:rgba(255,255,255,.16);
  border-color:rgba(255,255,255,.46);
}
.btn-sun{
  background:var(--sun);
  color:#241d12;
  border-color:#e3aa24;
}
.btn-sun:hover{background:#ffd464;transform:translate(-1px,-2px)}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-dark-soft{
  background:#eaeaef;
  color:var(--ink);
  border-color:#d2d4db;
}
.btn-dark-soft:hover{background:#fff;border-color:#a9adbc}

/* 倒计时 */
.hero-media{
  position:absolute;
  right:22px;
  bottom:20px;
  z-index:3;
}
.countdown-card{
  background:rgba(15,17,26,.82);
  backdrop-filter:blur(15px);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:18px 20px 20px;
  width:310px;
  color:#fff;
  box-shadow:0 14px 34px rgba(0,0,0,.28);
}
.countdown-label{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:11px;
  color:#c1c9dc;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.countdown-label i{color:var(--mint)}
.countdown-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:6px;
}
.countdown-num{
  background:rgba(255,255,255,.08);
  border-radius:10px;
  padding:9px 4px 7px;
  text-align:center;
}
.countdown-num strong{
  display:block;
  font-size:25px;font-weight:900;
  color:var(--sun);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.countdown-num span{
  font-size:10px;color:#a4adc7;letter-spacing:.2em;
}
.countdown-note{
  margin-top:11px;
  font-size:12px;
  color:#e7e9f6;
  border-top:1px dashed rgba(255,255,255,.15);
  padding-top:9px;
  display:flex;
  align-items:center;
  gap:7px;
}
.countdown-note i{color:var(--mint);font-size:10px}
.countdown-poster-mask{display:none}

/* section base */
.section-pad{padding:64px 28px}
.section-caption{
  color:#b6b8c1;
  font-size:12px;
  letter-spacing:.16em;
  font-weight:700;
  text-transform:none;
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.section-caption::before{
  content:"";
  width:18px;height:2px;
  background:var(--brand);
  display:inline-block;
  border-radius:4px;
}
.section-h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  margin:7px 0 12px;
  letter-spacing:-.2px;
  color:#161a25;
}
.section-desc{color:var(--muted);max-width:680px;margin-bottom:28px;font-size:15px}

/* 直播看点路线 */
.route-section{
  background:#fff;
  border-top:1px solid #eff0f5;
  border-bottom:1px solid #eff0f5;
}
.route-wrap{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:26px;
  align-items:start;
}
.route-map-side{
  position:sticky;
  top:30px;
}
.route-intro{
  background:linear-gradient(150deg,#f4f3ff,#f8f7fc);
  border:1px solid #eceafd;
  border-radius:16px;
  padding:18px;
}
.route-intro p{font-size:13px;color:#5c5f6b;margin:0 0 8px;line-height:1.7}
.route-intro i{color:var(--brand);margin-right:5px}
.route-list{
  display:flex;
  flex-direction:column;
  gap:13px;
  position:relative;
}
.route-list::before{
  content:"";
  position:absolute;
  left:86px;
  top:15px;
  bottom:15px;
  width:2px;
  background:linear-gradient(to bottom,var(--brand),rgba(61,214,208,.55),#d8dffb);
}
.route-card{
  margin-left:0;
  background:var(--panel);
  border:1px solid #e9eaf0;
  border-radius:17px;
  padding:15px 18px 14px;
  display:grid;
  grid-template-columns:72px 1fr auto;
  gap:14px;
  align-items:center;
  box-shadow:var(--shadow-card);
  transition:box-shadow .2s,border-color .2s;
  position:relative;
}
.route-card:hover{
  border-color:#c9c6ff;
  box-shadow:var(--shadow-hover);
}
.route-card::before{
  content:"";
  position:absolute;
  left:-1.5px;top:15px;bottom:15px;
  width:4px;
  background:var(--brand);
  border-radius:4px;
  opacity:0;
}
.route-card.live::before{background:var(--mint)}
.route-card.done::before{background:var(--line)}
.route-card:hover::before{opacity:1}
.route-time{
  text-align:center;
  color:#242b3c;
  font-weight:900;
  font-size:20px;
  letter-spacing:.5px;
  border-right:1px dashed #e4e4eb;
  padding-right:12px;
}
.route-time span{display:block;font-size:11px;color:var(--muted);font-weight:600}
.card-status{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 9px;
  border-radius:30px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
}
.badge-live{background:#e6fffc;color:#168e95}
.badge-live i{color:var(--mint);font-size:8px}
.badge-upcoming{background:#fff2d6;color:#ab7409}
.badge-done{background:#eef0f5;color:#697084}
.badge-violet{background:#ece9ff;color:#5b49e8}
.badge-sun{background:#fff2d2;color:#a86e0a}
.badge-mint{background:#e2faf7;color:#14877f}
.badge-soft{background:#f2f3f7;color:#677087}
.route-card h3{
  font-size:16px;
  font-weight:800;
  margin:0 0 5px;
  color:#1a1e2b;
}
.route-card h3 a{transition:color .2s}
.route-card h3 a:hover{color:var(--brand)}
.route-card p{
  color:#6a717c;
  font-size:13px;
  margin:0;
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* 订阅提醒 */
.remind-section{
  background:linear-gradient(116deg,#20212f,#252a45);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.remind-section::after{
  content:"";
  position:absolute;
  width:400px;height:400px;
  right:-130px;top:-200px;
  background:radial-gradient(circle,rgba(109,90,230,.48),transparent 70%);
  pointer-events:none;
}
.remind-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:38px;
  align-items:center;
  position:relative;
  z-index:2;
}
.remind-copy h2{
  font-size:clamp(1.4rem,2.6vw,2.1rem);
  font-weight:900;
  margin-bottom:12px;
}
.remind-copy p{
  color:#b9c0d4;font-size:15px;line-height:1.8;max-width:500px;
  margin-bottom:17px;
}
.remind-feature{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:7px}
.remind-feature span{
  background:rgba(255,255,255,.08);
  border-radius:8px;
  padding:7px 13px;
  color:#d9ddec;
  font-size:12px;
  display:inline-flex;
  gap:7px;
  align-items:center;
}
.remind-feature i{color:var(--mint)}
.remind-form{
  background:var(--panel);
  border-radius:18px;
  color:var(--ink);
  padding:25px 22px;
  box-shadow:0 20px 46px rgba(5,7,12,.3);
}
.remind-form h3{font-size:18px;font-weight:800;margin-bottom:5px;color:#191e2e}
.remind-form>p{font-size:13px;color:#81899d;margin:0 0 17px}
.form-row{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
.form-label{font-size:13px;font-weight:700;color:#343b49}
.form-input{
  border:1px solid #dcdde5;
  border-radius:10px;
  padding:11px 14px;
  background:#fcfcff;
  transition:border-color .2s,box-shadow .2s;
  font-size:14px;
  color:#1e2532;
}
.form-input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(109,90,230,.12);
  outline:none;
}
.remind-form .btn{width:100%;margin-top:2px}
.form-success{
  display:none;
  background:#e9fff9;
  color:#187c70;
  font-size:13px;
  padding:12px 15px;
  border-left:4px solid #21b8ad;
  border-radius:9px;
  margin-top:12px;
  line-height:1.6;
}
.form-success.show{display:block}
.form-error{
  display:none;
  color:#c34450;
  font-size:12px;
  margin-top:4px;
}
.form-error.show{display:block}
.note-muted{font-size:12px;color:#8d95a7;margin-top:13px;text-align:center}
.note-muted i{color:var(--mint)}

/* 资讯列表 */
.news-section{background:var(--bg)}
.news-card-list{
  border-radius:17px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-card);
  border:1px solid #edf0f5;
}
.news-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:15px;
  align-items:flex-start;
  padding:20px 20px 18px;
  border-bottom:1px solid #eff1f5;
  transition:background .18s;
  position:relative;
}
.news-item:last-child{border-bottom:0}
.news-item::after{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:3px;
  background:var(--brand);
  transform:scaleX(0);
  transition:transform .24s;
  transform-origin:left;
}
.news-item:hover{background:#fbfcff}
.news-item:hover::after{transform:scaleX(1)}
.news-cat{
  background:#efeaff;
  color:#4d3ad9;
  font-size:11px;font-weight:800;
  padding:5px 10px;
  border-radius:8px;
  letter-spacing:.06em;
  white-space:nowrap;
}
.news-main{min-width:0}
.news-item-title{
  font-size:16px;
  font-weight:800;
  line-height:1.45;
}
.news-item-title a{color:#202534;transition:color .15s}
.news-item-title a:hover{color:var(--brand)}
.news-desc{
  margin-top:7px;
  color:#6c7which is ok?;
  color:#637083;
  font-size:13px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  gap:12px;
  align-items:center;
  margin-top:11px;
  font-size:12px;
  color:#98a1b0;
}
.news-meta i{margin-right:4px;font-size:11px}
.news-arrow{
  align-self:center;
  width:34px;height:34px;
  border-radius:11px;
  background:#f2f2f7;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#665783;
  font-size:12px;
  transition:all .2s;
}
.news-arrow a{display:inline-flex}
.news-item:hover .news-arrow{
  background:var(--brand);
  color:#fff;
}
.news-arrow i{font-style:normal;font-size:15px}
.empty-list{
  background:#fff;
  border:1px dashed #c9ccd8;
  border-radius:18px;
  text-align:center;
  padding:46px 20px;
  color:#8490a4;
}
.empty-list i{
  display:block;
  margin:0 auto 12px;
  width:53px;height:53px;
  border-radius:15px;
  background:#f0eefd;
  color:var(--brand);
  line-height:53px;
  font-size:21px;
}
.empty-list p{font-size:14px;color:#9ba1af;margin:0}

/* 分类卡片 */
.category-section{background:linear-gradient(180deg,#fff,#f7f7fa);padding-bottom:70px}
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.cat-card{
  background:#fff;
  border-radius:18px;
  border:1px solid #e7e9f1;
  box-shadow:var(--shadow-card);
  overflow:hidden;
  padding:0;
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .22s,box-shadow .22s,border-color .2s;
}
.cat-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#cbc8ff;
}
.cat-cover{position:relative;height:190px;overflow:hidden}
.cat-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.cat-card:hover .cat-cover img{transform:scale(1.05)}
.cat-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to bottom,transparent 62%,rgba(5,7,18,.64));
}
.cat-cover-index{
  position:absolute;
  left:14px;top:13px;
  color:#fff;
  font-size:12px;
  font-weight:900;
  background:rgba(11,13,26,.42);
  border:1px solid rgba(255,255,255,.36);
  border-radius:8px;
  padding:5px 8px;
  letter-spacing:.08em;
}
.cat-cover-time{
  position:absolute;
  right:14px;bottom:11px;
  z-index:1;
  background:var(--sun);
  border-radius:8px;
  color:#241d12;
  font-size:11px;
  font-weight:800;
  padding:4px 8px;
}
.cat-card-body{
  padding:17px 18px 20px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.cat-card-body h3{font-size:17px;margin-bottom:7px}
.cat-card-body h3 a{transition:color .16s}
.cat-card-body h3 a:hover{color:var(--brand)}
.cat-card-body p{font-size:13px;color:#636c7d;line-height:1.7;margin-bottom:15px;flex:1}
.category-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  width:max-content;
  font-size:13px;
  color:var(--brand);
  font-weight:800;
  transition:gap .2s;
}
.category-chip:hover{color:#4b33d4;gap:10px}
.category-chip i{font-size:10px}

/* 深度说明横幅 */
.insight-section{
  position:relative;
  color:#eef0f9;
  overflow:hidden;
}
.insight-section .back-img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.15;
  transform:scale(1.03);
}
.insight-bg{
  background:linear-gradient(125deg,#15142e,#211b42 48%,#171a26);
}
.insight-inner{
  position:relative;
  z-index:2;
  text-align:center;
  padding:52px 34px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:24px;
  background:rgba(255,255,255,.03);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.insight-inner .section-caption{color:#b9acff}
.insight-inner h2{
  font-size:clamp(1.4rem,2.5vw,2rem);
  color:#fff;
  margin:5px 0 13px;
}
.insight-inner>p{color:#babfd4;max-width:620px;margin:0 auto 30px}
.insight-value-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  text-align:left;
}
.insight-value{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:15px;
  padding:16px 18px 14px;
}
.insight-value i{
  width:27px;height:27px;
  background:rgba(245,195,68,.18);
  color:var(--sun);
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  margin-bottom:10px;
}
.insight-value strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.insight-value p{font-size:12px;color:#99a0b8;line-height:1.65;margin:0}

/* FAQ */
.faq-panel{
  max-width:940px;
  margin:28px auto 0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.faq-item{
  background:#fff;
  border:1px solid #e7e9f0;
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 2px 5px rgba(21,24,39,.03);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#c4bcfa;box-shadow:var(--shadow-card)}
.faq-summary{
  list-style:none;
  cursor:pointer;
  padding:16px 20px 15px 20px;
  display:flex;
  align-items:center;
  gap:13px;
  font-weight:700;
  color:#202434;
  transition:background .15s;
}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary::marker{content:none}
.faq-icon{
  width:20px;height:20px;
  flex:none;
  border-radius:50%;
  background:#f2efff;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform .2s,background .2s,color .2s;
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  background:var(--brand);
  color:#fff;
}
.faq-answer{
  padding:0 22px 17px 20px;
  color:#596275;
  font-size:14px;
  line-height:1.85;
  border-top:1px dashed #e7e8ee;
  margin-left:53px;
}
.faq-answer p{margin:0}
/* 终版CTA */
.end-cta{
  background:linear-gradient(90deg,#0e1017,#1d1a32);
  border-top:1px solid #2a273e;
  border-bottom:1px solid #2a273e;
}
.cta-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:42px 6px;
  flex-wrap:wrap;
}
.cta-strip-main{flex:1;min-width:240px}
.cta-strip-main h2{
  font-size:clamp(1.45rem,2.3vw,1.8rem);
  color:#fff;
  line-height:1.4;
}
.cta-strip-main h2 em{
  font-style:normal;
  color:var(--sun);
}
.cta-strip-main p{color:#c4c9dc;font-size:14px;margin:4px 0 0}
.cta-strip-actions{display:flex;gap:10px;flex-wrap:wrap}

/* 页脚 */
.footer{
  background:#0c0e16;
  color:#aeb3c5;
  padding:44px 0 20px;
}
.footer-grid{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
  display:grid;
  grid-template-columns:1.35fr .8fr .8fr 1fr;
  gap:22px;
}
.footer-brand .brand-text strong{color:#fff}
.footer-brand p{font-size:13px;margin-top:13px;color:#858ea3;line-height:1.8}
.widget-title{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin:3px 0 12px;
}
.footer-links{display:flex;flex-direction:column;gap:7px;font-size:13px}
.footer-links a{transition:color .18s;padding:3px 0}
.footer-links a:hover{color:var(--sun);padding-left:3px}
.footer-note{font-size:12px;color:#737b93;line-height:1.8;margin:13px 0 0}
.footer-note i{margin-right:5px;color:var(--mint)}
.footer-bottom{
  max-width:var(--container);
  margin:27px auto 0;
  padding:17px 28px 0;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:#6e758e;
  flex-wrap:wrap;
  gap:11px;
}

/* 移动响应 */
@media (max-width:1100px){
  .hero-cover{min-height:480px}
  .hero-inner{max-width:730px;padding:40px 30px}
  .hero-media{position:static;align-self:flex-end}
  .countdown-card{width:min(100%,420px)}
  .cat-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:1024px){
  .cat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .side-rail{display:none}
  .topbar{display:flex}
  .main-stage{margin-left:0}
  .app-shell{display:flex;flex-direction:column}
  .insight-value-grid{grid-template-columns:1fr 1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:769px){
  .mobile-top-links{display:flex;flex-direction:column;flex:1;margin-top:24px;gap:5px}
  .mobile-top-links .nav-link{display:flex}
}
@media (max-width:768px){
  .container{padding-left:18px;padding-right:18px}
  .hero-section{padding:16px 14px 0}
  .hero-cover{min-height:610px;border-radius:20px;align-items:flex-end}
  .hero-inner{padding:28px 22px 30px;max-width:none}
  .hero-sub{font-size:14px}
  .hero-actions .btn{width:auto}
  .hero-tagline span{font-size:11px}
  .hero-media{position:relative;right:auto;bottom:auto;padding:0 12px 16px;width:100%}
  .countdown-card{width:100%;padding:14px}
  .hero-cover{margin-top:9px}
  .section-pad{padding:46px 18px}
  .route-wrap{grid-template-columns:1fr;gap:17px}
  .route-map-side{position:static}
  .route-intro{padding:14px}
  .route-card{grid-template-columns:1fr auto;gap:8px 12px;margin-left:0}
  .route-time{
    grid-column:1/2;
    grid-row:1;
    text-align:left;
    border-right:0;
    border-bottom:1px dashed #e1e3ea;
    padding-right:0;
    padding-bottom:9px;
    font-size:19px;
    display:flex;
    gap:8px;
    align-items:baseline;
  }
  .route-time span{display:inline;font-size:11px}
  .route-card h3{grid-column:1/2;grid-row:2;padding-top:4px}
  .route-card p{grid-column:1/2;grid-row:auto}
  .card-status{grid-column:2;grid-row:1/3;margin-top:0}
  .remind-grid{grid-template-columns:1fr;gap:24px}
  .form-row{flex-direction:column}
  .news-item{grid-template-columns:1fr auto;gap:8px}
  .news-arrow{grid-column:2;grid-row:1/4}
  .cat-grid{grid-template-columns:1fr}
  .insight-value-grid{grid-template-columns:1fr 1fr}
  .cta-strip{flex-direction:column;padding:30px 4px;gap:18px}
  .footer-grid{grid-template-columns:1fr;padding:0 18px}
  .footer-bottom{flex-direction:column}
  .hero-media .countdown-card{margin-top:0}
  .brand-mark{width:37px;height:37px}
  .section-h2 br{display:none}
}
@media (max-width:520px){
  .hero-cover{min-height:690px}
  .countdown-num strong{font-size:19px}
  .countdown-num span{font-size:9px;letter-spacing:.06em}
  .countdown-card{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .insight-value-grid{grid-template-columns:1fr}
  .btn{padding:11px 17px;font-size:13px}
  .faq-answer{margin-left:0}
  .faq-summary{flex-wrap:nowrap}
  .side-notice{font-size:12px}
  .remind-feature span{font-size:11px}
}

/* roulang page: category1 */
:root {
    --primary: #6D5AE6;
    --primary-dark: #5746D4;
    --primary-soft: #ECE8FF;
    --accent: #F5C344;
    --teal: #3DD6D0;
    --pink: #FF4D8F;
    --bg: #F7F7FA;
    --surface: #FFFFFF;
    --ink: #161A2B;
    --muted: #69718B;
    --line: #E5E8F2;
    --deep: #0E1020;
    --deep-2: #171B30;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 12px rgba(15, 17, 34, 0.05);
    --shadow-md: 0 4px 20px rgba(15, 17, 34, 0.08);
    --shadow-lg: 0 8px 30px rgba(15, 17, 34, 0.12);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

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

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

  button,
  input {
    font: inherit;
  }

  button {
    cursor: pointer;
  }

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

  .app-shell {
    min-height: 100vh;
  }

  .content-wrap {
    margin-left: 264px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  main {
    flex: 1;
  }

  .page-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 36px 64px;
  }

  /* ===== 侧边导航 ===== */
  .side-nav {
    position: fixed;
    inset: 0 auto 0 0;
    width: 264px;
    background: linear-gradient(180deg, #111322 0%, #0B0D18 100%);
    color: #FFFFFF;
    padding: 22px 16px 18px;
    z-index: 60;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
  }

  .side-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    transition: opacity .2s;
  }

  .side-brand:hover {
    opacity: .88;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, #7C5CFF 0%, #5140C6 100%);
    color: #FFFFFF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
    box-shadow: 0 6px 14px rgba(83, 63, 210, 0.3);
    flex-shrink: 0;
  }

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

  .side-brand .brand-copy strong {
    font-size: 18px;
    font-weight: 900;
    letter-spacing: .04em;
  }

  .side-brand .brand-copy small {
    color: #8C96B8;
    font-size: 13px;
    letter-spacing: .06em;
  }

  .side-close {
    display: none;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 20px;
  }

  .side-label {
    font-size: 12px;
    color: #5B6484;
    letter-spacing: .14em;
    padding: 0 14px 8px;
    font-weight: 700;
  }

  .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 12px;
    color: #A7B0CC;
    font-size: 15px;
    font-weight: 600;
    transition: background .2s, color .2s, box-shadow .2s, transform .2s;
    border-left: 3px solid transparent;
  }

  .nav-link i {
    width: 20px;
    text-align: center;
    color: #6C77A1;
    transition: color .2s;
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
    transform: translateX(2px);
  }

  .nav-link:hover i {
    color: var(--accent);
  }

  .nav-link.active {
    background: rgba(109, 90, 230, 0.18);
    color: #FFFFFF;
    border-left-color: var(--accent);
    box-shadow: inset 0 0 0 1px rgba(109, 90, 230, 0.22);
  }

  .nav-link.active i {
    color: var(--accent);
  }

  .side-note {
    margin-top: auto;
    background: rgba(109, 90, 230, 0.14);
    border: 1px solid rgba(109, 90, 230, 0.25);
    border-radius: 16px;
    padding: 14px;
    display: flex;
    gap: 10px;
  }

  .side-note .note-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(245, 195, 68, 0.18);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .side-note strong {
    color: #FFFFFF;
    font-size: 14px;
  }

  .side-note p {
    color: #8791B0;
    font-size: 12px;
    line-height: 1.6;
    margin: 2px 0 0;
  }

  .side-foot {
    color: #4E5674;
    font-size: 12px;
    padding-top: 16px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 14px;
  }

  .drawer-mask {
    display: none;
  }

  /* ===== 移动顶部栏 ===== */
  .mobile-header {
    display: none;
  }

  /* ===== Hero ===== */
  .hero-entry {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    background-image: linear-gradient(108deg, rgba(12, 13, 24, 0.96) 0%, rgba(21, 18, 44, 0.88) 50%, rgba(21, 18, 44, 0.62) 100%), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    padding: 28px 34px 42px;
    color: #FFFFFF;
    box-shadow: var(--shadow-lg);
  }

  .hero-entry .crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    color: #9DA5C3;
    font-size: 13px;
    margin-bottom: 26px;
  }

  .crumb a {
    color: #D4D9EC;
    transition: color .2s;
  }

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

  .crumb span {
    color: #5F688B;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.45fr 0.85fr;
    gap: 34px;
    align-items: center;
  }

  .eyebrow-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 6px 14px;
    border-radius: 999px;
    color: #F3D38A;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 18px;
  }

  .eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(245, 195, 68, 0.18);
  }

  .hero-copy h1 {
    font-size: 2.7rem;
    line-height: 1.18;
    margin-bottom: 16px;
    font-weight: 900;
    letter-spacing: .01em;
  }

  .hero-lead {
    color: #C6CCE1;
    font-size: 16px;
    max-width: 620px;
    margin-bottom: 24px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 12px;
    padding: 12px 20px;
    font-weight: 700;
    font-size: 14px;
    transition: transform .2s, box-shadow .2s, background .2s, filter .2s;
  }

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

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

  .btn-accent {
    background: var(--accent);
    color: #171B26;
    box-shadow: 0 8px 20px rgba(245, 195, 68, 0.25);
  }

  .btn-accent:hover {
    background: #f9ca58;
    filter: brightness(1.02);
  }

  .btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.22);
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.38);
  }

  .btn-outline {
    background: var(--surface);
    color: var(--primary);
    border: 1px solid #D9D8F5;
  }

  .btn-outline:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
  }

  .btn-dark {
    background: rgba(255, 255, 255, 0.07);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.22);
  }

  .hero-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    color: #98A1BF;
    font-size: 13px;
  }

  .hero-meta-row i {
    color: var(--accent);
    margin-right: 6px;
  }

  .hero-status {
    background: rgba(8, 10, 20, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 20px;
    padding: 22px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
  }

  .status-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
  }

  .status-head .status-title {
    font-size: 15px;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: .02em;
  }

  .status-badge {
    font-size: 12px;
    font-weight: 700;
    color: var(--teal);
    background: rgba(61, 214, 208, 0.12);
    border: 1px solid rgba(61, 214, 208, 0.28);
    padding: 3px 10px;
    border-radius: 999px;
  }

  .status-list {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: grid;
    gap: 12px;
  }

  .status-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 10px 12px;
  }

  .status-list i {
    color: var(--teal);
    font-size: 18px;
    width: 22px;
    text-align: center;
    margin-top: 4px;
  }

  .status-list li strong {
    display: block;
    color: #F0F3FA;
    font-size: 14px;
    line-height: 1.4;
  }

  .status-list li span {
    font-size: 13px;
    color: #9AA2BE;
  }

  /* ===== Section base ===== */
  .section-block {
    margin-top: 72px;
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 26px;
  }

  .section-head h2,
  .block-title {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 6px;
  }

  .section-head .sub-line {
    color: var(--muted);
    font-size: 15px;
    max-width: 680px;
    margin-bottom: 0;
  }

  .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 4px;
  }

  .timeline-wrap {
    position: relative;
    padding-left: 42px;
  }

  .timeline-wrap::before {
    content: '';
    position: absolute;
    left: 13px;
    top: 8px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, #E1E4EF 86%);
    border-radius: 2px;
  }

  .tl-item {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 22px 24px 20px 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s, transform .2s;
  }

  .tl-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .tl-item.current {
    border-left: 4px solid var(--accent);
  }

  .tl-dot {
    position: absolute;
    left: -36px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--primary);
  }

  .tl-dot.hot {
    background: var(--accent);
    box-shadow: 0 0 0 2px var(--accent);
  }

  .tl-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }

  .tl-date {
    font-size: 13px;
    color: var(--muted);
    font-weight: 700;
  }

  .state {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
  }

  .state.warn {
    background: rgba(245, 195, 68, 0.16);
    color: #9A750D;
  }

  .state.success {
    background: rgba(61, 214, 208, 0.12);
    color: #13847F;
  }

  .tl-item h3 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 6px;
  }

  .tl-item p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 14px;
  }

  /* ===== Scope section ===== */
  .scope-layout {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }

  .scope-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 36px;
    align-items: center;
  }

  .scope-copy {
    padding: 42px 0 42px 42px;
  }

  .scope-copy h2 {
    font-size: 1.7rem;
    font-weight: 900;
    margin: 4px 0 10px;
  }

  .scope-copy .section-desc {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 22px;
  }

  .check-grid {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: grid;
    gap: 16px;
  }

  .check-grid li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }

  .check-icon {
    width: 34px;
    height: 34px;
    border-radius: 11px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
  }

  .check-grid li strong {
    display: block;
    font-size: 15px;
    color: var(--ink);
  }

  .check-grid li p {
    color: var(--muted);
    margin: 2px 0 0;
    font-size: 14px;
  }

  .info-tip {
    background: #F6F5FF;
    border: 1px solid #E4E0FE;
    border-radius: 14px;
    padding: 12px 14px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: #544EA6;
    font-size: 13px;
  }

  .info-tip i {
    color: var(--primary);
    margin-top: 3px;
  }

  .scope-figure {
    position: relative;
    height: 100%;
    min-height: 360px;
    background: #F2F3F9;
  }

  .scope-figure img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .figure-note {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: rgba(10, 13, 28, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #F0F1F8;
    font-size: 13px;
    padding: 10px 14px;
    border-radius: 12px;
    backdrop-filter: blur(8px);
  }

  .figure-note i {
    color: var(--accent);
    margin-right: 6px;
  }

  /* ===== Remind panel ===== */
  .remind-panel {
    background: linear-gradient(135deg, #12152A 0%, #1A1734 100%);
    border-radius: 26px;
    color: #FFFFFF;
    padding: 44px;
    box-shadow: var(--shadow-lg);
    margin-top: 76px;
  }

  .remind-panel h2 {
    font-size: 1.8rem;
    font-weight: 900;
    margin: 6px 0 10px;
    color: #FFFFFF;
  }

  .remind-desc {
    color: #B7BED6;
    font-size: 15px;
    max-width: 560px;
    margin-bottom: 20px;
  }

  .remind-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .remind-points li {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #E5E7F2;
    font-size: 14px;
  }

  .remind-points i {
    color: var(--accent);
  }

  .form-card {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 26px;
    color: var(--ink);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
  }

  .form-title {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 14px;
  }

  .form-grid {
    display: grid;
    gap: 12px;
  }

  .u-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .form-input {
    width: 100%;
    border: 1px solid var(--line);
    background: #F8F9FD;
    border-radius: 11px;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--ink);
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
  }

  .form-input:focus {
    background: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(109, 90, 230, 0.15);
  }

  .form-hint {
    font-size: 13px;
    color: var(--pink);
    margin: 6px 0 0;
    min-height: 22px;
  }

  .form-hint.success {
    color: #13847F;
  }

  /* ===== Next cards ===== */
  .next-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .next-card {
    display: flex;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s, transform .2s;
    min-height: 220px;
  }

  .next-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
  }

  .next-img {
    width: 42%;
    overflow: hidden;
    position: relative;
  }

  .next-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
  }

  .next-card:hover .next-img img {
    transform: scale(1.02);
  }

  .next-content {
    flex: 1;
    padding: 22px 22px 18px;
    display: flex;
    flex-direction: column;
  }

  .next-tag {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 5px;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 10px;
  }

  .next-content h3 {
    font-size: 19px;
    font-weight: 900;
    margin-bottom: 6px;
  }

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

  .next-link {
    margin-top: auto;
    color: var(--primary);
    font-weight: 800;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 900px;
  }

  .faq-item {
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow .2s, border-color .2s;
  }

  .faq-item.open {
    border-color: #C9BFF8;
  }

  .faq-q {
    width: 100%;
    background: transparent;
    border: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    text-align: left;
    font-size: 16px;
    font-weight: 800;
    color: var(--ink);
    transition: color .2s;
  }

  .faq-q:hover {
    color: var(--primary);
  }

  .faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    line-height: 1;
    flex-shrink: 0;
    font-weight: 700;
    transition: transform .2s, background .2s;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #FFFFFF;
  }

  .faq-a {
    display: none;
    padding: 0 20px 18px 62px;
  }

  .faq-item.open .faq-a {
    display: block;
  }

  .faq-a p {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 0;
  }

  /* ===== CTA finish ===== */
  .cta-finish {
    background: linear-gradient(120deg, #FFE3AB 0%, #F7CE75 30%, #F5C344 100%);
    border-radius: 24px;
    padding: 34px 38px;
    margin-top: 72px;
    color: #211B10;
    box-shadow: var(--shadow-md);
  }

  .cta-finish h2 {
    font-size: 1.6rem;
    font-weight: 900;
    color: #211B10;
    line-height: 1.35;
    max-width: 760px;
  }

  .cta-finish p {
    color: #5A4320;
    max-width: 720px;
  }

  .cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
  }

  .cta-finish .btn-ghost {
    background: rgba(33, 27, 16, 0.04);
    border-color: rgba(33, 27, 16, 0.24);
    color: #211B10;
  }

  .cta-finish .btn-ghost:hover {
    background: rgba(33, 27, 16, 0.08);
  }

  .cta-finish .btn-dark {
    background: #211B10;
    color: #FFFFFF;
    border-color: #211B10;
  }

  .cta-finish .btn-dark:hover {
    background: #3a2e18;
  }

  /* ===== Footer ===== */
  .footer {
    background: #0D0F1B;
    color: #8F97B2;
    padding: 50px 40px 22px;
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    margin-top: auto;
  }

  .footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1.1fr;
    gap: 34px;
    padding-bottom: 28px;
  }

  .footer-brand p {
    color: #818BA8;
    line-height: 1.8;
    max-width: 340px;
    margin-top: 14px;
    margin-bottom: 0;
  }

  .footer .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .widget-title {
    color: #F1F3FA;
    font-weight: 800;
    font-size: 15px;
    margin-bottom: 14px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 9px;
    align-items: flex-start;
  }

  .footer-links a {
    color: #9DA6C4;
    font-size: 14px;
    transition: color .2s, padding-left .2s;
  }

  .footer-links a:hover {
    color: #FFFFFF;
    padding-left: 3px;
  }

  .footer-note {
    color: #7A85A4;
    font-size: 13px;
    line-height: 1.7;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin-top: 10px;
  }

  .footer-note i {
    color: var(--accent);
    margin-top: 3px;
  }

  .footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding-top: 16px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    color: #59627F;
    font-size: 13px;
  }

  .footer-bottom span:first-child {
    color: #7883A5;
  }

  /* ===== Focus accessibility ===== */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 3px solid rgba(109, 90, 230, 0.35);
    outline-offset: 2px;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1279px) {
    .page-inner {
      padding-left: 28px;
      padding-right: 28px;
    }
  }

  @media (max-width: 1023px) {
    .content-wrap {
      margin-left: 0;
    }

    .side-nav {
      transform: translateX(-110%);
      box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
      transition: transform .3s ease;
    }

    .app-shell.drawer-open .side-nav {
      transform: translateX(0);
    }

    .side-close {
      display: flex;
      align-items: center;
      justify-content: center;
      position: absolute;
      right: 14px;
      top: 14px;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: #CBD2E7;
      font-size: 16px;
    }

    .drawer-mask {
      position: fixed;
      inset: 0;
      background: rgba(5, 7, 13, 0.62);
      z-index: 55;
      display: block;
      opacity: 0;
      visibility: hidden;
      transition: opacity .25s, visibility .25s;
    }

    .app-shell.drawer-open .drawer-mask {
      opacity: 1;
      visibility: visible;
    }

    .mobile-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 18px;
      background: #0D0F1B;
      color: #FFFFFF;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 9px;
      font-weight: 900;
      font-size: 16px;
      color: #FFFFFF;
    }

    .mobile-brand i {
      color: var(--accent);
    }

    .mobile-menu-btn {
      width: 38px;
      height: 38px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      border-radius: 10px;
      font-size: 17px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-grid,
    .scope-grid {
      grid-template-columns: 1fr;
    }

    .scope-copy {
      padding: 30px 26px 0;
    }

    .scope-figure {
      min-height: 300px;
    }

    .scope-figure img {
      position: relative;
      height: 320px;
    }

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

  @media (max-width: 767px) {
    .page-inner {
      padding: 20px 16px 44px;
    }

    .hero-entry {
      padding: 20px 20px 30px;
      border-radius: 18px;
    }

    .hero-copy h1 {
      font-size: 1.75rem;
    }

    .hero-lead {
      font-size: 15px;
    }

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

    .section-block {
      margin-top: 52px;
    }

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

    .section-head h2,
    .block-title {
      font-size: 1.35rem;
    }

    .remind-panel {
      padding: 26px 20px;
    }

    .remind-points {
      grid-template-columns: 1fr;
    }

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

    .next-card {
      flex-direction: column;
    }

    .next-img {
      width: 100%;
      height: 180px;
    }

    .footer {
      padding: 36px 20px 18px;
    }

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

    .cta-finish {
      padding: 26px 20px;
    }

    .cta-inner {
      flex-direction: column;
      align-items: flex-start;
    }

    .cta-actions {
      width: 100%;
      flex-direction: row;
      flex-wrap: wrap;
    }

    .footer-bottom {
      flex-direction: column;
    }
  }

  @media (max-width: 520px) {
    .hero-status {
      padding: 18px;
    }

    .scope-figure {
      min-height: 240px;
    }

    .scope-figure img {
      height: 260px;
    }

    .tl-item {
      padding: 16px 16px 16px 18px;
    }

    .timeline-wrap {
      padding-left: 34px;
    }

    .faq-a {
      padding-left: 18px;
      padding-right: 14px;
    }
  }

/* roulang page: article */
:root {
    --primary: #6D5AE6;
    --primary-dark: #5747C9;
    --accent: #F5C344;
    --teal: #3DD6D0;
    --pink: #FF4D8F;
    --error: #E5484D;
    --bg: #F7F7FA;
    --dark: #171A26;
    --dark-2: #0F111A;
    --text: #262A3B;
    --muted: #7A8095;
    --border: #E5E7EB;
    --card: #FFFFFF;
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --space-section: 72px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
  }

  a {
    text-decoration: none;
    color: inherit;
    transition: color .2s;
  }

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

  ul,
  ol {
    list-style: none;
  }

  button,
  input {
    font-family: inherit;
    font-size: 100%;
    border: none;
    outline: none;
  }

  .page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 256px;
    background: var(--dark-2);
    padding: 28px 16px 20px;
    display: flex;
    flex-direction: column;
    z-index: 80;
    transition: transform .3s ease;
  }

  .brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 10px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 20px;
    font-weight: 800;
    box-shadow: 0 0 0 4px rgba(109, 90, 230, .18);
  }

  .brand-name strong {
    display: block;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: .2px;
  }

  .brand-name small {
    color: #909BBA;
    font-size: 12px;
    display: block;
    margin-top: 2px;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 34px;
  }

  .side-label {
    color: #65708F;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0 12px;
    margin-bottom: 6px;
  }

  .nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    border-radius: 12px;
    color: #AEB8D9;
    font-size: 14px;
    font-weight: 500;
    transition: background .22s, color .22s;
  }

  .nav-link i {
    width: 18px;
    text-align: center;
    color: #7784A8;
    transition: color .22s;
  }

  .nav-link:hover {
    background: rgba(109, 90, 230, .16);
    color: #fff;
  }

  .nav-link:hover::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 18%;
    height: 64%;
    width: 3px;
    border-radius: 0 4px 4px 0;
    background: var(--accent);
  }

  .nav-link.active {
    background: rgba(109, 90, 230, .18);
    color: #fff;
  }

  .nav-link.active i {
    color: var(--accent);
  }

  .nav-note {
    margin-top: auto;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
    padding: 14px;
    border-radius: 14px;
  }

  .nav-note-icon {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 195, 68, .14);
    color: var(--accent);
    border-radius: 9px;
    margin-bottom: 10px;
  }

  .nav-note strong {
    color: #fff;
    font-size: 14px;
    display: block;
    margin-bottom: 4px;
  }

  .nav-note p {
    color: #8F99B8;
    font-size: 12px;
    line-height: 1.7;
  }

  .sidebar-mask {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 14, .56);
    backdrop-filter: blur(3px);
    z-index: 70;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s;
    border: 0;
  }

  .main-area {
    width: 100%;
    margin-left: 256px;
    min-width: 0;
    display: flex;
    flex-direction: column;
  }

  .mobile-header {
    display: none;
    height: 58px;
    background: var(--dark-2);
    position: sticky;
    top: 0;
    z-index: 65;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-brand {
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .07);
    color: #fff;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  /* 主内容头部 */
  .article-topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    padding: 18px 0;
  }

  .breadcrumb a {
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

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

  .breadcrumb .bc-sep {
    color: #B8BCC9;
  }

  .breadcrumb .bc-title {
    color: #4A4F63;
    max-width: 52ch;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* 文章横幅 */
  .article-banner {
    background:
      linear-gradient(100deg, rgba(12, 14, 24, .94) 0%, rgba(52, 43, 126, .78) 64%, rgba(12, 14, 24, .52) 100%),
      url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    padding: 58px 0 56px;
    color: #fff;
  }

  .article-banner-inner {
    max-width: 900px;
    margin: 0 auto;
  }

  .banner-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--accent);
    background: rgba(245, 195, 68, .12);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .banner-eyebrow i {
    font-size: 10px;
  }

  .article-banner h1 {
    font-size: clamp(1.7rem, 2.8vw, 2.5rem);
    font-weight: 800;
    line-height: 1.35;
    max-width: 860px;
    margin-bottom: 14px;
    letter-spacing: .3px;
  }

  .banner-lead {
    color: #D5D9EE;
    font-size: 15px;
    line-height: 1.9;
    max-width: 720px;
    margin-bottom: 26px;
  }

  .meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    color: #B6BEDF;
    font-size: 13px;
    border-top: 1px solid rgba(255, 255, 255, .14);
    padding-top: 18px;
    align-items: center;
  }

  .meta-row span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

  .meta-row i {
    color: var(--accent);
    width: 14px;
    text-align: center;
  }

  .cat-chip {
    background: rgba(255, 255, 255, .1);
    color: #fff;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
  }

  /* 正文区域 */
  .article-area {
    padding: 56px 0 68px;
  }

  .article-prose {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    padding: 46px 52px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(229, 231, 235, .9);
  }

  .article-prose p {
    margin: 0 0 1.4em;
    font-size: 16px;
    line-height: 2;
    color: #3B4055;
  }

  .article-prose h2 {
    font-size: 1.45rem;
    font-weight: 800;
    color: #1E233A;
    margin: 2.2em 0 .8em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.5;
  }

  .article-prose h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin: 1.8em 0 .6em;
    line-height: 1.5;
  }

  .article-prose a {
    color: var(--primary);
    font-weight: 600;
    border-bottom: 1px solid rgba(109, 90, 230, .35);
  }

  .article-prose a:hover {
    color: #4335B5;
  }

  .article-prose blockquote {
    background: #FFF9E8;
    border-left: 4px solid var(--accent);
    margin: 1.8em 0;
    padding: 18px 22px;
    border-radius: 0 12px 12px 0;
    color: #4E4220;
    line-height: 1.9;
  }

  .article-prose ul,
  .article-prose ol {
    margin: 0 0 1.5em 1.4em;
    padding-left: 10px;
  }

  .article-prose ul li,
  .article-prose ol li {
    position: relative;
    margin-bottom: .55em;
    color: #3B4055;
    line-height: 1.9;
  }

  .article-prose ul li::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--primary);
  }

  .article-prose img {
    border-radius: 16px;
    margin: 24px 0;
    box-shadow: var(--shadow);
  }

  .article-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
  }

  .article-prose th,
  .article-prose td {
    padding: 10px 12px;
    border: 1px solid #E7E8F0;
    font-size: 14px;
  }

  .article-prose th {
    background: #F3F2FB;
    font-weight: 700;
    color: #232748;
  }

  .article-prose hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 2.4em 0;
  }

  /* 分页区 */
  .post-pager {
    max-width: 800px;
    margin: 30px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
  }

  .pg-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 18px;
    display: block;
    transition: box-shadow .2s, transform .2s, border-color .2s;
    min-height: 74px;
  }

  a.pg-box:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
  }

  .pg-box small {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 6px;
  }

  .pg-box strong {
    color: #262A3B;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.6;
  }

  .pg-box.is-disabled {
    background: #FAFAFC;
    opacity: .72;
    cursor: default;
  }

  .back-to-home {
    display: flex;
    justify-content: center;
    margin-top: 16px;
  }

  /* 内容未找到 */
  .no-article {
    min-height: 460px;
    display: flex;
    align-items: center;
    background:
      linear-gradient(100deg, rgba(12, 14, 24, .92) 0%, rgba(52, 43, 126, .72) 70%, rgba(12, 14, 24, .45) 100%),
      url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
    padding: 60px 0;
  }

  .no-article-card {
    background: #fff;
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
    max-width: 520px;
    margin: 0 auto;
    padding: 46px 38px;
    text-align: center;
  }

  .no-article-card .na-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    border-radius: 18px;
    background: #F2F0FF;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
  }

  .no-article-card h1 {
    font-size: 1.65rem;
    font-weight: 800;
    color: #20243A;
    margin-bottom: 10px;
  }

  .no-article-card p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
    margin-bottom: 24px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all .22s ease;
    border: 1px solid transparent;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(109, 90, 230, .28);
  }

  .btn-primary:active {
    transform: scale(.97);
  }

  .btn-outline {
    background: #fff;
    border-color: #D6DAE5;
    color: #20243A;
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(109, 90, 230, .05);
  }

  /* 相关栏目 */
  .related-guide {
    padding: 66px 0 70px;
    background: var(--bg);
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-eyebrow {
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 8px;
  }

  .section-head h2 {
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
    font-weight: 800;
    color: #191E33;
    line-height: 1.4;
  }

  .section-desc {
    color: var(--muted);
    font-size: 14px;
    margin-top: 8px;
    max-width: 680px;
  }

  .rel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .rel-card {
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(229, 231, 235, .9);
    transition: transform .25s, box-shadow .25s;
    display: flex;
    flex-direction: column;
  }

  .rel-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }

  .rel-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
    background: #EAEAF2;
  }

  .rel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s;
  }

  .rel-card:hover .rel-thumb img {
    transform: scale(1.02);
  }

  .rel-thumb::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 55%;
    background: linear-gradient(180deg, transparent 0%, rgba(13, 15, 25, .45) 100%);
    pointer-events: none;
  }

  .rel-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
  }

  .rel-tag {
    display: inline-flex;
    width: fit-content;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .5px;
    color: var(--primary);
    background: #F2F0FF;
    border-radius: 999px;
    padding: 3px 10px;
    text-transform: uppercase;
  }

  .rel-body h3 {
    font-size: 17px;
    font-weight: 800;
    color: #22263A;
    line-height: 1.5;
  }

  .rel-body p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .rel-arrow {
    margin-top: auto;
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .rel-arrow i {
    transition: transform .2s;
  }

  .rel-card:hover .rel-arrow i {
    transform: translateX(5px);
  }

  /* 提醒 CTA */
  .newsletter-cta {
    background: var(--dark);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, .05);
  }

  .newsletter-cta .page-container {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 44px;
    align-items: center;
  }

  .cta-kicker {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 12px;
  }

  .newsletter-cta h2 {
    color: #fff;
    font-size: clamp(1.45rem, 2.2vw, 1.9rem);
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 12px;
  }

  .newsletter-cta p {
    color: #A9B2CF;
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 10px;
  }

  .cta-form {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 18px;
    padding: 24px;
  }

  .cta-form label {
    display: block;
    font-size: 13px;
    color: #B8C0DC;
    margin-bottom: 4px;
    font-weight: 600;
  }

  .cta-form input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    background: #0D0F17;
    border: 1px solid #292E42;
    color: #fff;
    font-size: 14px;
    margin: 8px 0 12px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
  }

  .cta-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(109, 90, 230, .24);
  }

  .cta-form input::placeholder {
    color: #606A89;
  }

  .cta-form .btn-accent {
    width: 100%;
    margin-top: 4px;
  }

  .form-note {
    font-size: 12px;
    color: #7F89AA;
    margin-top: 12px;
  }

  .btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 10px;
    background: var(--accent);
    color: #20232F;
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    transition: background .2s, transform .2s, box-shadow .2s;
  }

  .btn-accent:hover {
    background: #FFDA5E;
    transform: translate(1px, -1px);
    box-shadow: 0 10px 24px rgba(245, 195, 68, .28);
  }

  .btn-accent:active {
    transform: scale(.98);
  }

  /* 页脚 */
  .footer {
    background: #10121D;
    color: #DCE1F0;
    padding: 56px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 38px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px 42px;
  }

  .footer-brand p {
    color: #9099BA;
    font-size: 14px;
    line-height: 1.8;
    margin-top: 12px;
  }

  .footer-brand .brand-lockup strong {
    color: #fff;
    font-size: 16px;
    font-weight: 800;
  }

  .widget-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 14px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    color: #A8B0CF;
    font-size: 14px;
    transition: color .2s, padding-left .2s;
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

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

  .footer-note {
    color: #8E96B6;
    font-size: 13px;
    line-height: 1.75;
    margin-top: 14px;
    display: flex;
    gap: 8px;
  }

  .footer-note i {
    color: #8C9AD8;
    margin-top: 4px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    color: #8189A8;
    font-size: 13px;
  }

  .footer-bottom span:last-child {
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

  /* 表单 / 焦点 */
  a:focus-visible,
  button:focus-visible {
    outline: 3px solid rgba(109, 90, 230, .45);
    outline-offset: 2px;
  }

  /* 响应式 */
  @media (max-width: 1280px) {
    .footer-grid {
      grid-template-columns: 1.3fr 1fr 1fr;
    }
  }

  @media (max-width: 1023px) {
    .sidebar {
      transform: translateX(-104%);
      box-shadow: none;
    }

    .sidebar.is-open {
      transform: translateX(0);
      box-shadow: 20px 0 50px rgba(0, 0, 0, .26);
    }

    .sidebar-mask.is-show {
      opacity: 1;
      visibility: visible;
    }

    .main-area {
      margin-left: 0;
    }

    .mobile-header {
      display: flex;
    }
  }

  @media (max-width: 900px) {
    .rel-grid {
      grid-template-columns: 1fr 1fr;
    }

    .newsletter-cta .page-container {
      grid-template-columns: 1fr;
      gap: 26px;
    }

    .article-prose {
      padding: 36px 32px;
    }

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

  @media (max-width: 640px) {
    :root {
      --space-section: 52px;
    }

    .page-container {
      padding: 0 20px;
    }

    .article-banner {
      padding: 42px 0;
    }

    .article-banner h1 {
      font-size: 1.55rem;
    }

    .article-prose {
      padding: 26px 20px;
      border-radius: 14px;
    }

    .article-prose p {
      font-size: 15px;
    }

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

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

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 26px;
      padding-bottom: 30px;
    }

    .footer {
      padding-top: 44px;
    }

    .footer-bottom {
      justify-content: center;
      text-align: center;
    }

    .footer-brand p {
      font-size: 13px;
    }

    .meta-row {
      gap: 10px 14px;
    }

    .no-article-card {
      padding: 36px 24px;
    }
  }

  @media (max-width: 480px) {
    .article-prose {
      padding: 22px 16px;
    }

    .section-head h2 {
      font-size: 1.3rem;
    }

    .article-banner-inner {
      padding: 0 4px;
    }

    .post-pager {
      gap: 10px;
    }
  }

/* roulang page: category2 */
:root {
    --primary: #7C5CFF;
    --primary-dark: #5e3fde;
    --primary-soft: #efebff;
    --accent: #F5C344;
    --mint: #3DD6D0;
    --rose: #FF4D8F;
    --bg-body: #F7F7FA;
    --bg-deep: #171A26;
    --sidebar-bg: #0F111A;
    --card: #ffffff;
    --line: #e4e2ee;
    --text: #1C1E27;
    --muted: #75758A;
    --text-soft: #8F92A3;
    --section-space: 72px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-sm: 10px;
    --shadow-light: 0 6px 22px rgba(10, 13, 30, 0.06);
    --shadow-hover: 0 12px 30px rgba(20, 17, 50, 0.12);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { border: 0; cursor: pointer; background: none; font-family: inherit; }
  h1, h2, h3, h4, p { margin-top: 0; }
  input, select { font-family: inherit; }
  :focus-visible { outline: 3px solid rgba(124, 92, 255, 0.35); outline-offset: 2px; border-radius: 6px; }
  .container-page { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

  .content-wrap { min-height: 100vh; background: var(--bg-body); }

  /* ========== App shell ========== */
  .site-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 258px;
    background: var(--sidebar-bg);
    color: #d9dbe7;
    padding: 26px 18px 20px;
    display: flex;
    flex-direction: column;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.32s ease;
    overflow-y: auto;
  }
  .site-sidebar.is-open { transform: translateX(0); }
  .app-shell { padding-top: 64px; }
  .main-area { padding-top: 0; }

  .side-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px 18px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #43d9d2);
    position: relative;
    flex: 0 0 auto;
    box-shadow: 0 0 0 4px rgba(124,92,255,0.15);
  }
  .brand-mark::after {
    content: "9";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
    font-size: 17px;
  }
  .brand-code { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: 0.02em; line-height: 1.2; }
  .brand-sub { display: block; font-size: 11px; color: #8990a8; margin-top: 1px; line-height: 1.3; }

  .side-label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: #737b93;
    font-weight: 700;
    padding: 6px 10px 8px;
  }
  .main-nav { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
  .nav-link {
    display: flex;
    align-items: center;
    gap: 13px;
    color: #b6bccf;
    font-size: 14px;
    font-weight: 500;
    border-radius: 11px;
    padding: 11px 12px;
    position: relative;
    transition: all 0.22s ease;
  }
  .nav-link i { width: 20px; text-align: center; font-size: 15px; color: #7b8298; transition: color 0.22s ease; }
  .nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; transform: translateX(2px); }
  .nav-link:hover i { color: var(--accent); }
  .nav-link.active { background: rgba(124, 92, 255, 0.2); color: #fff; font-weight: 600; }
  .nav-link.active::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 25%;
    width: 4px;
    height: 50%;
    border-radius: 0 8px 8px 0;
    background: var(--accent);
  }
  .nav-link.active i { color: var(--accent); }

  .side-subnote {
    margin-top: 22px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 14px;
    padding: 14px 14px;
    font-size: 13px;
    color: #b8bfd3;
  }
  .side-subnote i { color: var(--accent); margin-right: 8px; }
  .side-subnote strong { color: #fff; display: block; font-size: 13px; margin-bottom: 4px; }

  .side-copyright {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.07);
    font-size: 12px;
    color: #646b80;
    display: flex;
    justify-content: space-between;
    gap: 10px;
  }

  .mobile-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(15,17,26,0.96);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    z-index: 60;
  }
  .mobile-logo { display: flex; align-items: center; gap: 10px; color: #fff; }
  .mobile-open {
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    font-size: 17px;
  }
  .menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10,10,18,0.56);
    z-index: 45;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .menu-backdrop.show { opacity: 1; pointer-events: auto; }

  /* ========== category hero ========== */
  .category-hero {
    position: relative;
    color: #fff;
    background-color: #14161f;
    background-image: linear-gradient(100deg, rgba(15,17,26,0.93) 25%, rgba(23,26,38,0.5) 70%), url('/assets/images/backpic/back-3.png');
    background-position: center;
    background-size: cover;
    padding: 88px 0 84px;
    overflow: hidden;
  }
  .category-hero::after {
    content: "";
    position: absolute;
    right: -150px;
    top: -120px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(61,214,208,0.35), transparent 58%);
    pointer-events: none;
  }
  .category-hero .container-page { position: relative; z-index: 2; }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 40px;
    background: rgba(124,92,255,0.25);
    border: 1px solid rgba(245,195,68,0.35);
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 20px;
  }
  .category-hero h1 {
    margin: 0 0 14px;
    font-size: clamp(2rem, 4.6vw, 3.25rem);
    line-height: 1.16;
    letter-spacing: 0.02em;
    font-weight: 900;
  }
  .category-hero h1 span { color: var(--accent); }
  .hero-sub { font-size: 17px; color: #cfd3e4; max-width: 660px; margin-bottom: 28px; line-height: 1.85; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,0.16);
    max-width: 720px;
  }
  .hero-meta span { font-size: 14px; color: #b2bad0; display: inline-flex; align-items: center; gap: 8px; }
  .hero-meta i { color: var(--accent); }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    transition: all 0.22s ease;
    border: 1px solid transparent;
  }
  .btn-primary { background: var(--accent); color: #1a1608; }
  .btn-primary i { color: #1a1608; }
  .btn-primary:hover { background: #ffd45f; transform: translate(-1px, -2px); box-shadow: 0 8px 18px rgba(245,195,68,0.25); }
  .btn-primary:active { transform: scale(0.98); }
  .btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,0.35); color: #fff; }
  .btn-ghost:hover { background: rgba(124,92,255,0.25); border-color: var(--primary); box-shadow: 0 4px 18px rgba(124,92,255,0.2); }
  .btn-outline-dark { background: #fff; border: 1px solid var(--line); color: var(--text); }
  .btn-outline-dark:hover { border-color: var(--primary); color: var(--primary-dark); box-shadow: var(--shadow-light); transform: translateY(-2px); }

  /* ========== section layout ========== */
  .section-block { padding: var(--section-space) 0; }
  .section-block.alt-bg { background: #f1f1f8; }
  .section-title-row { margin-bottom: 28px; }
  .eyebrow {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.14em;
    color: var(--primary);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
  }
  .eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(245,195,68,0.2); }
  .section-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; letter-spacing: -0.01em; margin-bottom: 12px; line-height: 1.35; }
  .section-title small { display: block; margin-top: 6px; font-size: 15px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
  .section-desc { max-width: 760px; margin: 0 0 4px; color: var(--muted); font-size: 15px; }

  /* ========== cover cards ========== */
  .range-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 26px;
  }
  .range-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-light);
  }
  .range-item::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--mint));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
  }
  .range-item:hover::before { transform: scaleX(1); }
  .range-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .range-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    background: var(--primary-soft);
    margin-bottom: 18px;
  }
  .range-item h3 { margin: 0 0 10px; font-size: 18px; font-weight: 800; }
  .range-item p { color: var(--muted); font-size: 14.5px; line-height: 1.75; margin-bottom: 0; }

  /* ========== light note card ========== */
  .insight-note {
    background: #fff;
    border: 1px solid #eae7f5;
    border-radius: var(--radius-lg);
    padding: 26px 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin: 34px 0 0;
    box-shadow: var(--shadow-light);
    border-left: 5px solid var(--primary);
  }
  .insight-note i { font-size: 25px; color: var(--primary); margin-top: 4px; }
  .insight-note strong { font-size: 16px; display: block; margin-bottom: 6px; }
  .insight-note p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; max-width: 980px; }

  /* ========== visual road timeline ========== */
  .node-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 28px;
    position: relative;
  }
  .node-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    position: relative;
    box-shadow: var(--shadow-light);
    transition: 0.25s ease;
  }
  .node-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
  .node-num {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 18px;
  }
  .node-item:nth-child(2) .node-num { background: var(--accent); color: #26200c; }
  .node-item:nth-child(3) .node-num { background: var(--mint); color: #07312e; }
  .node-item:nth-child(4) .node-num { background: var(--rose); color: #fff; }
  .node-item h4 { font-size: 17px; font-weight: 800; margin-bottom: 7px; }
  .node-item p { color: var(--muted); font-size: 14px; line-height: 1.75; margin: 0; }
  .node-tag { display: inline-block; margin-top: 12px; font-size: 12px; color: var(--primary); background: var(--primary-soft); border-radius: 30px; padding: 4px 10px; font-weight: 600; }

  /* ========== scene list ========== */
  .scene-list { margin-top: 10px; }
  .scene-row {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 20px 20px;
    margin-bottom: 16px;
    transition: 0.24s ease;
  }
  .scene-row:hover { box-shadow: var(--shadow-hover); border-color: #dbd6f5; transform: translateX(4px); }
  .scene-index { font-size: 20px; color: var(--primary); background: var(--primary-soft); border-radius: 12px; width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; font-weight: 900; flex: 0 0 46px; }
  .scene-row-body { flex: 1; }
  .scene-row-body h3 { margin: 0 0 4px; font-size: 17px; font-weight: 800; }
  .scene-row-body p { color: var(--muted); margin: 0; font-size: 14px; line-height: 1.7; }
  .scene-action { margin-left: auto; }

  /* ========== cover wide cards ========== */
  .cover-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 30px; }
  .cover-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-light);
  }
  .cover-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
  .cover-image { height: 190px; overflow: hidden; background-color: #dfdcf0; }
  .cover-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
  .cover-card:hover .cover-image img { transform: scale(1.04); }
  .cover-image.cover-dark { background: linear-gradient(150deg, #0f111a, #35314f); }
  .cover-body { padding: 22px 24px 24px; }
  .cover-body h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
  .cover-body p { color: var(--muted); font-size: 14px; line-height: 1.75; }
  .cover-link { color: var(--primary); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 7px; margin-top: 2px; }
  .cover-link:hover { gap: 12px; }

  /* ========== CTA form block ========== */
  .cta-panel {
    background: linear-gradient(140deg, #101223, #241e3d 75%, #302a51);
    border-radius: 22px;
    padding: 56px 48px;
    color: #fff;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    align-items: center;
    margin-top: 28px;
    overflow: hidden;
    position: relative;
  }
  .cta-panel::after {
    content: "";
    position: absolute;
    width: 460px;
    height: 460px;
    right: -190px;
    top: -190px;
    background: radial-gradient(circle, rgba(255,77,143,0.28), transparent 65%);
  }
  .cta-copy { position: relative; z-index: 2; }
  .cta-copy h2 { font-size: 26px; margin: 10px 0 8px; font-weight: 900; }
  .cta-copy p { color: #c5cae0; font-size: 15px; line-height: 1.8; max-width: 520px; }
  .cta-copy .eyebrow { color: var(--accent); }
  .cta-copy .eyebrow::before { background: var(--accent); }
  .subscribe-form { position: relative; z-index: 2; background: rgba(255,255,255,0.07); border-radius: 16px; padding: 20px; border: 1px solid rgba(255,255,255,0.12); }
  .form-row { display: flex; flex-direction: column; gap: 10px; }
  .form-row input {
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 10px;
    background: rgba(10,12,19,0.45);
    color: #fff;
    padding: 12px 14px;
    font-size: 14px;
    width: 100%;
  }
  .form-row input::placeholder { color: #8b9ab5; }
  .form-tip { color: #abb3ca; font-size: 13px; margin-top: 10px; }
  .form-tip a { color: var(--accent); }
  .form-error { color: #ffc9ce; font-size: 13px; min-height: 18px; margin-top: 6px; }

  /* ========== FAQ ========== */
  .faq-wrap { max-width: 900px; margin: 8px auto 0; }
  .faq-item { border: 1px solid var(--line); background: #fff; border-radius: 14px; margin-bottom: 12px; box-shadow: 0 2px 8px rgba(10,13,30,0.03); transition: all 0.24s; padding: 0 5px; overflow: hidden; }
  .faq-item.active { border-color: #d5cdfa; box-shadow: var(--shadow-light); }
  .faq-question { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; padding: 17px 18px; font-size: 15px; font-weight: 700; color: var(--text); }
  .faq-toggle { width: 24px; height: 24px; flex: 0 0 24px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-size: 14px; font-weight: 700; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
  .faq-item.active .faq-toggle { background: var(--accent); color: #261d00; }
  .faq-answer { padding: 0 18px 16px 54px; color: var(--muted); font-size: 14px; line-height: 1.8; display: none; }
  .faq-item.active .faq-answer { display: block; }

  /* ========== cross category ========== */
  .cross-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 10px; }
  .cross-card { background: #fff; border-radius: 16px; border: 1px solid var(--line); padding: 22px 22px 20px; display: flex; gap: 14px; transition: 0.24s; box-shadow: var(--shadow-light); align-items: flex-start; }
  .cross-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .cross-card i { width: 40px; height: 40px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; font-size: 17px; }
  .cross-card h4 { font-size: 16px; margin-bottom: 5px; }
  .cross-card p { color: var(--muted); font-size: 13.5px; line-height: 1.7; margin-bottom: 8px; }
  .cross-link { color: var(--primary); font-weight: 700; font-size: 13px; }
  .cross-link i { background: transparent; width: auto; height: auto; color: inherit; font-size: 12px; margin-left: 2px; display: inline; }

  /* ========== footer ========== */
  .footer { background: #0f111a; color: #a4abc2; padding: 56px 0 20px; margin-top: 40px; }
  .footer-grid { max-width: 1180px; margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1.1fr; gap: 24px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .footer-brand p { font-size: 14px; line-height: 1.85; max-width: 320px; color: #8e96ae; }
  .widget-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 12px; }
  .footer-links { display: flex; flex-direction: column; gap: 8px; }
  .footer-links a { color: #a4abc2; font-size: 14px; transition: all 0.2s ease; }
  .footer-links a:hover { color: #fff; padding-left: 4px; }
  .footer-note { font-size: 13.5px; color: #888fa6; line-height: 1.75; display: flex; gap: 8px; padding-left: 0; margin-bottom: 10px; }
  .footer-note i { color: var(--accent); }
  .footer-bottom { max-width: 1180px; margin: 0 auto; padding: 20px 28px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: #737a92; font-size: 13px; }

  .brand-lockup .brand-text strong { font-size: 16px; }
  .brand-text span { font-size: 12px; display: block; }

  /* ========== responsive ========== */
  @media (min-width: 1024px) {
    .site-sidebar { transform: translateX(0); }
    .app-shell { padding-top: 0; margin-left: 258px; }
    .mobile-topbar { display: none; }
    .content-wrap { min-height: 100vh; }
  }
  @media (min-width: 1024px) and (max-width: 1279px) {
    .site-sidebar { width: 236px; }
    .app-shell { margin-left: 236px; }
  }
  @media (min-width: 768px) and (max-width: 1023px) {
    .range-grid { grid-template-columns: 1fr 1fr; }
    .node-track { grid-template-columns: 1fr 1fr; }
    .cover-list, .cross-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 767px) {
    .app-shell { padding-top: 64px; }
    .main-area { padding-top: 0; }
    .mobile-topbar { display: flex; }
    .container-page { padding: 0 15px; }
    .section-block { padding: 50px 0; }
    .category-hero { padding: 60px 0; }
    .hero-sub { font-size: 15px; }
    .hero-actions .btn { width: 100%; }
    .range-grid, .node-track, .cover-list, .cross-grid { grid-template-columns: 1fr; }
    .range-item { padding: 22px 20px; }
    .insight-note { flex-direction: column; gap: 10px; padding: 20px; }
    .scene-row { flex-wrap: wrap; padding: 17px; }
    .scene-action { margin-left: 0; width: 100%; }
    .scene-action .btn { width: 100%; }
    .cta-panel { grid-template-columns: 1fr; gap: 24px; padding: 36px 22px; }
    .cta-copy h2 { font-size: 22px; }
    .faq-answer { padding: 0 16px 16px 44px; }
    .footer-grid { grid-template-columns: 1fr 1fr; padding: 0 15px 28px; }
    .footer-bottom { padding: 16px 15px; }
    .footer { padding-left: 0; padding-right: 0; }
  }
  @media (max-width: 520px) {
    .category-hero h1 { font-size: 2rem; }
    .section-title { font-size: 1.4rem; }
    .footer-grid { grid-template-columns: 1fr; padding-left: 14px; }
    .site-sidebar { width: 278px; }
    .node-item { padding: 20px 16px; }
    .hero-meta { margin-top: 35px; }
  }

/* roulang page: category3 */
:root {
    --bg: #f7f7fa;
    --sidebar-bg: #0f111a;
    --card-bg: #ffffff;
    --primary: #6d5ae6;
    --primary-deep: #5647c9;
    --primary-soft: rgba(109, 90, 230, 0.12);
    --accent: #f5c344;
    --teal: #3dd6d0;
    --rose: #ff4d8f;
    --text-dark: #171a26;
    --text-body: #343a4c;
    --text-muted: #6b7284;
    --border-light: #e6e7ee;
    --shadow-sm: 0 4px 20px rgba(15, 17, 26, 0.06);
    --shadow-md: 0 8px 30px rgba(15, 17, 26, 0.12);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-body);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  body.menu-open {
    overflow: hidden;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

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

  button, input {
    font-family: inherit;
  }

  .site-shell {
    min-height: 100vh;
    background: var(--bg);
  }

  /* ========= 左侧导航 ========= */
  .site-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 262px;
    height: 100vh;
    z-index: 70;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    padding: 26px 0 20px;
    overflow-y: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
  }

  .brand-lockup {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #8a7cff);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
    flex: 0 0 auto;
    box-shadow: 0 6px 18px rgba(109, 90, 230, 0.35);
  }

  .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    min-width: 0;
  }

  .brand-text strong {
    font-size: 19px;
    letter-spacing: 0.02em;
  }

  .brand-text span {
    font-size: 12px;
    color: #a2abc6;
  }

  .main-nav {
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
  }

  .side-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #667090;
    padding: 0 12px;
    margin-bottom: 6px;
  }

  .main-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 13px;
    margin: 4px 0;
    border-radius: 12px;
    color: #a7b0ca;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid transparent;
    border-left: 3px solid transparent;
  }

  .main-nav .nav-link i {
    width: 20px;
    text-align: center;
    color: #8e99b8;
    transition: color 0.2s ease;
    font-size: 16px;
  }

  .main-nav .nav-link:hover {
    background: rgba(109, 90, 230, 0.16);
    color: #ffffff;
    border-left: 3px solid var(--accent);
  }

  .main-nav .nav-link:hover i {
    color: var(--accent);
  }

  .main-nav .nav-link.active {
    background: rgba(109, 90, 230, 0.2);
    color: #fff;
    border-left: 3px solid var(--accent);
  }

  .main-nav .nav-link.active i {
    color: var(--accent);
  }

  .sidebar-tip {
    margin: auto 16px 0;
    background: linear-gradient(140deg, rgba(109, 90, 230, 0.26), rgba(15, 17, 26, 0.72));
    border: 1px solid rgba(245, 195, 68, 0.14);
    padding: 16px;
    border-radius: 16px;
    color: #b9c0d6;
    font-size: 13px;
  }

  .sidebar-tip .tip-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 6px;
  }

  .sidebar-tip .tip-title i {
    color: var(--accent);
  }

  /* ========= 移动顶栏 ========= */
  .mobile-top {
    display: none;
    position: sticky;
    top: 0;
    z-index: 50;
    height: 62px;
    background: rgba(15, 17, 26, 0.96);
    color: #fff;
    padding: 0 18px;
    backdrop-filter: blur(12px);
  }

  .mobile-menu-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #eef1f8;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
  }

  .mobile-menu-btn:hover {
    background: rgba(109, 90, 230, 0.35);
    color: #fff;
  }

  .mobile-menu-btn:active {
    transform: scale(0.95);
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
  }

  .mobile-brand span {
    color: #aab3cd;
    font-weight: 400;
    font-size: 13px;
  }

  .mobile-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(8, 9, 16, 0.62);
    z-index: 65;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  body.menu-open .mobile-backdrop {
    opacity: 1;
    visibility: visible;
  }

  body.menu-open .site-sidebar {
    transform: translateX(0);
    box-shadow: 30px 0 80px rgba(0, 0, 0, 0.4);
  }

  /* ========= 主内容 ========= */
  .page-shell {
    margin-left: 262px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .page-main {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 30px 32px 0;
    flex: 1 0 auto;
  }

  .inner-content {
    margin-top: 26px;
  }

  .inner-content + .inner-content {
    margin-top: 34px;
  }

  /* 面包屑 */
  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
  }

  .breadcrumb a {
    color: var(--primary);
    font-weight: 500;
  }

  .breadcrumb a:hover {
    text-decoration: underline;
  }

  .breadcrumb .sep {
    color: #c2c7d6;
  }

  /* ========= Hero ========= */
  .category-hero {
    position: relative;
    min-height: 390px;
    border-radius: 26px;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: #10121b;
    box-shadow: var(--shadow-md);
    isolation: isolate;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: -2;
  }

  .hero-mask {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(100deg, rgba(10, 11, 22, 0.94) 0%, rgba(24, 19, 58, 0.78) 52%, rgba(109, 90, 230, 0.3) 100%);
  }

  .hero-mask::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.45;
    mask-image: linear-gradient(90deg, #000, transparent 80%);
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    padding: 48px;
    color: #fff;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(245, 195, 68, 0.38);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    letter-spacing: 0.04em;
    color: #ffe9ab;
    margin-bottom: 22px;
    backdrop-filter: blur(6px);
  }

  .pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 0 rgba(245, 195, 68, 0.7);
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(245, 195, 68, 0.45); }
    70% { box-shadow: 0 0 0 9px rgba(245, 195, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 195, 68, 0); }
  }

  .category-hero h1 {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.2;
    margin: 0 0 18px;
    color: #ffffff;
    letter-spacing: 0.01em;
  }

  .category-hero h1 span {
    color: var(--accent);
  }

  .hero-sub {
    font-size: 17px;
    line-height: 1.8;
    max-width: 640px;
    margin: 0 0 28px;
    color: #d4d7e6;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-position {
    position: absolute;
    right: 32px;
    bottom: 32px;
    z-index: 3;
    background: rgba(15, 17, 26, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px 20px;
    color: #dfe2ef;
    max-width: 230px;
  }

  .hero-position strong {
    display: block;
    color: #fff;
    font-size: 16px;
    margin-bottom: 4px;
  }

  .hero-position small {
    color: #9fa7c2;
    font-size: 13px;
    line-height: 1.5;
    display: block;
  }

  /* ========= Buttons ========= */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 22px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  }

  .btn:hover {
    transform: translateY(-2px);
  }

  .btn:active {
    transform: scale(0.97);
  }

  .btn:focus-visible {
    outline: 3px solid rgba(109, 90, 230, 0.35);
    outline-offset: 3px;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 28px rgba(109, 90, 230, 0.32);
  }

  .btn-primary:hover {
    background: var(--primary-deep);
    box-shadow: 0 16px 34px rgba(109, 90, 230, 0.42);
    color: #fff;
  }

  .btn-accent {
    background: var(--accent);
    color: #1c1d25;
    box-shadow: 0 10px 28px rgba(245, 195, 68, 0.25);
  }

  .btn-accent:hover {
    background: #ffd967;
    color: #10121b;
  }

  .btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    color: #f3f4f9;
    border: 1px solid rgba(255, 255, 255, 0.22);
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.36);
  }

  .btn-light {
    background: #ffffff;
    color: #2a283e;
    border: 1px solid var(--border-light);
  }

  .btn-light:hover {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--primary);
  }

  .btn-dark {
    background: var(--text-dark);
    color: #fff;
  }

  .btn-dark:hover {
    background: #262b3b;
  }

  /* ========= 通用容器 ========= */
  .section-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 32px;
  }

  .section-card--tint {
    background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 100%);
  }

  .section-title-wrapper {
    margin-bottom: 24px;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: 10px;
  }

  .section-title {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-dark);
    line-height: 1.3;
    margin: 0 0 10px;
  }

  .section-lead {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0;
    line-height: 1.8;
  }

  /* 小型标签卡 */
  .mini-tag-card {
    background: #f8f8fd;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 20px;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
  }

  .mini-tag-card:hover {
    background: #ffffff;
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }

  .mini-tag-card .node-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    margin-bottom: 14px;
  }

  .mini-tag-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 6px;
  }

  .mini-tag-card p {
    font-size: 14px;
    margin: 0;
  }

  /* 主题卡 */
  .topic-card {
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .topic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(109, 90, 230, 0.55);
  }

  .topic-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }

  .topic-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

  .topic-card:hover .topic-thumb img {
    transform: scale(1.02);
  }

  .topic-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(20, 20, 32, 0.42), transparent 60%);
  }

  .topic-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .topic-tag {
    align-self: flex-start;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--primary);
    background: var(--primary-soft);
    border-radius: 6px;
    padding: 4px 9px;
    margin-bottom: 12px;
    text-transform: uppercase;
  }

  .topic-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.45;
    margin: 0 0 8px;
  }

  .topic-body p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 16px;
    flex: 1;
    line-height: 1.7;
  }

  .topic-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

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

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

  /* ========= 节点 / 阅读路径 ========= */
  .path-zone {
    background: linear-gradient(135deg, #141822 0%, #211d38 60%, #2a2350 100%);
    border-radius: 24px;
    color: #fff;
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }

  .path-zone::before {
    content: "";
    position: absolute;
    right: -80px;
    top: -90px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(109, 90, 230, 0.45), transparent 68%);
    pointer-events: none;
  }

  .path-step {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 20px 18px;
    backdrop-filter: blur(5px);
    height: 100%;
  }

  .path-step .step-num {
    font-size: 26px;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    display: block;
    margin-bottom: 10px;
  }

  .path-step h3 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
  }

  .path-step p {
    font-size: 13px;
    color: #c6cfe6;
    line-height: 1.6;
    margin: 0;
  }

  .route-line {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .route-line i {
    color: var(--accent);
    font-size: 18px;
  }

  /* ========= 图文区 ========= */
  .media-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 28px;
  }

  .media-image {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    position: relative;
  }

  .media-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
  }

  .media-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(15, 17, 26, 0.28));
    pointer-events: none;
  }

  .check-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 22px;
  }

  .check-list li {
    display: flex;
    gap: 11px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.7;
  }

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

  /* ========= CTA 表单 ========= */
  .cta-banner {
    border-radius: 24px;
    background: #0d101a;
    padding: 42px 40px;
    color: #fff;
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    align-items: center;
    gap: 30px;
    position: relative;
    overflow: hidden;
  }

  .cta-banner::after {
    content: "";
    position: absolute;
    right: 5%;
    bottom: -120px;
    width: 320px;
    height: 220px;
    background: radial-gradient(ellipse, rgba(109, 90, 230, 0.4), rgba(109, 90, 230, 0));
    pointer-events: none;
  }

  .cta-copy {
    position: relative;
    z-index: 2;
  }

  .cta-copy .small-kicker {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
  }

  .cta-copy h2 {
    font-size: 1.7rem;
    color: #fff;
    font-weight: 800;
    margin: 0 0 8px;
  }

  .cta-copy p {
    margin: 0;
    color: #aeb7d0;
    font-size: 15px;
    line-height: 1.7;
  }

  .newsletter-form {
    position: relative;
    z-index: 3;
    background: rgba(255, 255, 255, 0.08);
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    backdrop-filter: blur(8px);
  }

  .newsletter-field {
    width: 100%;
    padding: 13px 15px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    font-size: 15px;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    outline: none;
  }

  .newsletter-field::placeholder {
    color: #aab0c4;
  }

  .newsletter-field:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.16);
    box-shadow: 0 0 0 4px rgba(245, 195, 68, 0.15);
  }

  .form-error-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #e98085;
    background: rgba(233, 84, 89, 0.14);
    border-radius: 8px;
    padding: 9px 11px;
    font-size: 13px;
    margin-top: 12px;
  }

  /* ========= FAQ ========= */
  .faq-wrap {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 0 22px;
    box-shadow: var(--shadow-sm);
  }

  .faq-item.open {
    border-color: rgba(109, 90, 230, 0.4);
    box-shadow: var(--shadow-md);
  }

  .faq-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 19px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    cursor: pointer;
    border-radius: 0;
  }

  .faq-toggle .faq-icon {
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  }

  .faq-item.open .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 0 0 42px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
  }

  .faq-item.open .faq-answer {
    max-height: 320px;
    padding-bottom: 20px;
  }

  /* ========= 推荐卡 ========= */
  .rel-link-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
    box-shadow: var(--shadow-sm);
  }

  .rel-link-card:hover {
    border-color: rgba(109, 90, 230, 0.55);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .rel-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }

  .rel-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

  .rel-link-card:hover .rel-img img {
    transform: scale(1.02);
  }

  .rel-body {
    padding: 6px 20px 22px;
  }

  .rel-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 6px;
  }

  .rel-body p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 16px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
  }

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

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

  /* ========= 页脚 ========= */
  .footer-wrap {
    padding: 0 32px 30px;
    max-width: 1280px;
    width: 100%;
    margin: 40px auto 0;
  }

  .footer {
    background: #0d1019;
    color: #aeb6cd;
    border-radius: 22px;
    padding: 46px 42px 30px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow-md);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 34px;
  }

  .widget-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
  }

  .footer-links a {
    color: #aeb6cd;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

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

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-top: 12px;
    max-width: 320px;
  }

  .footer-note {
    font-size: 13px;
    line-height: 1.7;
    color: #8b93ad;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0 0 14px;
  }

  .footer-note i {
    margin-top: 4px;
    color: #818aa8;
  }

  .footer-bottom {
    margin-top: 38px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 22px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    color: #7e87a1;
  }

  /* ========= 响应式 ========= */
  @media (min-width: 1024px) and (max-width: 1279px) {
    .site-sidebar {
      width: 230px;
    }

    .page-shell {
      margin-left: 230px;
    }

    .main-nav .nav-link {
      font-size: 14px;
      padding: 11px 12px;
    }

    .page-main {
      padding: 24px 22px 0;
    }

    .category-hero h1 {
      font-size: 2.3rem;
    }
  }

  @media (max-width: 1023px) {
    .site-sidebar {
      transform: translateX(-105%);
      transition: transform 0.32s cubic-bezier(0.23, 1, 0.32, 1);
      width: 276px;
    }

    .mobile-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .page-shell {
      margin-left: 0;
    }

    .page-main {
      padding: 18px 14px 0;
    }

    .footer-wrap {
      padding: 0 14px 24px;
    }

    .mobile-backdrop {
      display: block;
    }
  }

  @media (max-width: 767px) {
    .category-hero {
      min-height: 420px;
      align-items: flex-end;
    }

    .hero-content {
      padding: 24px 22px 30px;
    }

    .category-hero h1 {
      font-size: 1.9rem;
    }

    .hero-sub {
      font-size: 15px;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .hero-position {
      display: none;
    }

    .media-block {
      grid-template-columns: 1fr;
    }

    .media-image img {
      height: 220px;
    }

    .section-card {
      padding: 22px 18px;
    }

    .path-zone {
      padding: 24px 18px;
    }

    .route-line {
      display: none;
    }

    .cta-banner {
      grid-template-columns: 1fr;
      padding: 26px 20px;
    }

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

    .footer {
      padding: 32px 22px 24px;
    }
  }

  @media (max-width: 560px) {
    .section-title {
      font-size: 1.4rem;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .footer-bottom {
      flex-direction: column;
      justify-content: flex-start;
      align-items: flex-start;
    }

    .category-hero h1 {
      font-size: 1.7rem;
    }

    .category-hero .hero-kicker {
      font-size: 12px;
    }

    .mini-tag-card {
      padding: 16px;
    }

    .faq-toggle {
      font-size: 15px;
    }

    .faq-answer {
      padding-left: 0;
    }
  }

  @media (max-width: 380px) {
    .category-hero h1 {
      font-size: 1.5rem;
    }

    .brand-lockup,
    .main-nav,
    .sidebar-tip {
      padding-left: 12px;
      padding-right: 12px;
    }
  }