/* roulang page: index */
:root{
  --rl-primary:#4B3FDE;
  --rl-primary-dark:#2E2699;
  --rl-primary-soft:#EDEBFF;
  --rl-lime:#A3E635;
  --rl-lime-soft:#F0FBD8;
  --rl-accent:#FF7A45;
  --rl-accent-dark:#E85F2C;
  --rl-text:#1C1B2E;
  --rl-text-2:#5A5872;
  --rl-text-3:#8A88A0;
  --rl-border:#E6E5F0;
  --rl-page:#F6F6FB;
  --rl-card:#FFFFFF;
  --rl-dark:#14122B;
  --rl-dark-2:#1B1935;
  --rl-radius-sm:10px;
  --rl-radius:16px;
  --rl-radius-lg:24px;
  --rl-shadow-1:0 1px 2px rgba(28,27,46,.06);
  --rl-shadow-2:0 8px 24px rgba(28,27,46,.08);
  --rl-shadow-3:0 18px 48px rgba(75,63,222,.14);
  --bs-primary:#4B3FDE;
  --bs-body-color:#1C1B2E;
  --bs-border-color:#E6E5F0;
  --bs-link-color:#4B3FDE;
  --bs-link-hover-color:#2E2699;
  --bs-border-radius:16px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:24px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--rl-text);
  background:var(--rl-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rl-primary);text-decoration:none;transition:color .25s ease-out;}
a:hover{color:var(--rl-primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{line-height:1.3;letter-spacing:.01em;font-weight:700;margin:0;color:var(--rl-text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{margin-bottom:48px;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--rl-primary);background:var(--rl-primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{font-size:28px;font-weight:800;margin-bottom:14px;}
.section-desc{font-size:15px;color:var(--rl-text-2);max-width:640px;margin:0;}
.hairline{height:1px;background:var(--rl-border);border:0;margin:0;}

/* ============ buttons ============ */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.4;
  border-radius:var(--rl-radius-sm);border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:all .28s ease-out;
}
.rl-btn:hover{text-decoration:none;}
.rl-btn-solid{background:var(--rl-primary);color:#fff;}
.rl-btn-solid:hover{background:var(--rl-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(75,63,222,.26);}
.rl-btn-solid:active{transform:translateY(0);box-shadow:none;}
.rl-btn-ghost{background:transparent;color:var(--rl-primary);border-color:var(--rl-primary);}
.rl-btn-ghost:hover{background:var(--rl-primary-soft);border-color:var(--rl-primary-dark);color:var(--rl-primary-dark);}
.rl-btn-accent{background:var(--rl-accent);color:#fff;}
.rl-btn-accent:hover{background:var(--rl-accent-dark);color:#fff;transform:scale(1.01) translateY(-1px);box-shadow:0 14px 30px rgba(232,95,44,.28);}
.rl-btn-accent:active{transform:scale(1);box-shadow:none;}
.rl-btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.rl-btn-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.rl-btn-lg{padding:15px 32px;font-size:16px;}
.rl-btn-sm{padding:8px 16px;font-size:13px;}
.rl-btn-block{width:100%;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--rl-border);
  transition:background .3s ease-out,box-shadow .3s ease-out,backdrop-filter .3s ease-out;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 20px rgba(28,27,46,.07);
}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding-top:10px;padding-bottom:10px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:linear-gradient(135deg,var(--rl-primary) 0%,var(--rl-primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;font-weight:800;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(75,63,222,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:800;color:var(--rl-text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--rl-text-3);letter-spacing:.12em;}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-search{
  position:relative;display:flex;align-items:center;
  background:#F2F1FA;border:1px solid transparent;border-radius:999px;
  padding:0 14px;height:38px;width:230px;transition:all .25s ease-out;
}
.header-search:focus-within{background:#fff;border-color:var(--rl-primary);box-shadow:0 0 0 4px rgba(75,63,222,.12);}
.header-search i{color:var(--rl-text-3);font-size:13px;margin-right:8px;}
.header-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--rl-text);height:100%;}
.header-search input::placeholder{color:var(--rl-text-3);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--rl-border);
  background:#fff;color:var(--rl-text);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--rl-primary-soft);color:var(--rl-primary);}
.header-nav{border-top:1px solid var(--rl-border);overflow:hidden;max-height:60px;opacity:1;transition:max-height .32s ease-out,opacity .24s ease-out;}
.site-header.is-scrolled .header-nav{max-height:0;opacity:0;border-top-color:transparent;}
.header-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px;}
.nav-channels{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;}
.nav-channels a{
  display:block;position:relative;padding:12px 14px 12px;font-size:15px;font-weight:500;
  color:var(--rl-text-2);text-decoration:none;white-space:nowrap;transition:color .25s ease-out;
}
.nav-channels a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:2px;
  background:var(--rl-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease-out;
}
.nav-channels a:hover{color:var(--rl-primary);text-decoration:none;}
.nav-channels a:hover::after{transform:scaleX(1);}
.nav-channels a.active{color:var(--rl-primary);font-weight:700;}
.nav-channels a.active::after{transform:scaleX(1);}
.hot-words{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;max-width:420px;}
.hot-words::-webkit-scrollbar{display:none;}
.hot-words .hot-label{font-size:12px;color:var(--rl-text-3);white-space:nowrap;display:flex;align-items:center;gap:5px;}
.hot-words .hot-label .dot{width:6px;height:6px;border-radius:50%;background:var(--rl-accent);display:inline-block;}
.hot-chip{
  display:inline-block;white-space:nowrap;font-size:12.5px;color:var(--rl-primary);
  background:var(--rl-primary-soft);border-radius:999px;padding:5px 12px;text-decoration:none;
  transition:all .25s ease-out;
}
.hot-chip:hover{background:var(--rl-primary);color:#fff;text-decoration:none;}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,43,.45);opacity:0;visibility:hidden;
  transition:opacity .3s ease-out,visibility .3s ease-out;z-index:1040;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.site-drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:1050;
  transform:translateX(102%);transition:transform .32s ease-out;overflow-y:auto;
  padding:22px 22px 40px;box-shadow:-16px 0 48px rgba(20,18,43,.2);
}
.site-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--rl-border);background:#fff;color:var(--rl-text-2);cursor:pointer;}
.drawer-close:hover{background:var(--rl-primary-soft);color:var(--rl-primary);}
.drawer-search{display:flex;align-items:center;background:#F2F1FA;border-radius:10px;padding:0 14px;height:44px;margin-bottom:20px;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--rl-text-2);text-decoration:none;
  display:flex;align-items:center;justify-content:space-between;transition:all .25s ease-out;
}
.drawer-nav a:hover{background:var(--rl-primary-soft);color:var(--rl-primary);text-decoration:none;}
.drawer-nav a.active{background:var(--rl-primary-soft);color:var(--rl-primary);font-weight:700;}
.drawer-sub{font-size:12px;color:var(--rl-text-3);letter-spacing:.1em;margin-bottom:10px;}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;background:var(--rl-dark);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;transform:scale(1.02);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(20,18,43,.96) 0%,rgba(20,18,43,.86) 42%,rgba(46,38,153,.72) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 20px 104px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:#D9D6FF;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:6px 16px;margin-bottom:22px;
}
.hero-eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--rl-lime);box-shadow:0 0 0 4px rgba(163,230,53,.22);}
.hero h1{font-size:40px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.01em;}
.hero h1 .hl{color:var(--rl-lime);}
.hero-sub{font-size:17px;line-height:1.85;color:#C9C6E6;max-width:560px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;}
.hero-stat .num{font-size:28px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.01em;}
.hero-stat .num span{font-size:14px;font-weight:600;color:var(--rl-lime);margin-left:4px;}
.hero-stat .lbl{font-size:13px;color:#9C99BE;margin-top:4px;}
.hero-stripe{position:relative;z-index:2;height:4px;display:flex;}
.hero-stripe i{flex:1;}
.hero-stripe i:nth-child(1){background:var(--rl-primary);}
.hero-stripe i:nth-child(2){background:var(--rl-lime);}
.hero-stripe i:nth-child(3){background:var(--rl-accent);}

.info-card{
  background:#fff;border-radius:var(--rl-radius);padding:28px;
  box-shadow:0 18px 48px rgba(20,18,43,.22);border:1px solid rgba(255,255,255,.5);
}
.info-card h2{font-size:18px;font-weight:800;margin-bottom:4px;}
.info-card .info-sub{font-size:13px;color:var(--rl-text-3);margin-bottom:20px;}
.info-row{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--rl-border);}
.info-row:last-of-type{border-bottom:0;}
.info-row .ic{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--rl-primary-soft);
  color:var(--rl-primary);display:flex;align-items:center;justify-content:center;font-size:14px;
}
.info-row .k{font-size:12.5px;color:var(--rl-text-3);}
.info-row .v{font-size:14.5px;font-weight:600;color:var(--rl-text);}
.info-seat{margin-top:18px;background:var(--rl-lime-soft);border-radius:12px;padding:12px 16px;font-size:13.5px;color:#3F5416;display:flex;align-items:center;gap:10px;}
.info-seat strong{font-weight:800;}
.info-card .rl-btn{margin-top:18px;}

/* ============ trust strip ============ */
.trust-strip{background:#fff;border-bottom:1px solid var(--rl-border);}
.trust-inner{display:flex;flex-wrap:wrap;gap:18px 48px;align-items:center;justify-content:space-between;padding:26px 0;}
.trust-item{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--rl-text-2);}
.trust-item i{color:var(--rl-primary);font-size:15px;}

/* ============ agenda timeline ============ */
.agenda-rail{position:relative;margin-top:8px;}
.agenda-rail::before{
  content:"";position:absolute;left:0;right:0;top:96px;height:2px;
  background:linear-gradient(90deg,var(--rl-primary) 0%,var(--rl-lime) 100%);opacity:.35;
}
.agenda-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative;}
.agenda-item{position:relative;padding-top:38px;}
.agenda-item::before{
  content:"";position:absolute;top:90px;left:0;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--rl-primary);
  box-shadow:0 0 0 4px rgba(75,63,222,.14);transition:all .25s ease-out;z-index:2;
}
.agenda-item:hover::before{transform:scale(1.3);border-color:var(--rl-primary-dark);box-shadow:0 0 0 6px rgba(75,63,222,.2);}
.agenda-time{
  display:inline-block;font-size:12.5px;font-weight:700;color:#3F5416;background:var(--rl-lime-soft);
  border-radius:999px;padding:4px 12px;margin-bottom:10px;
}
.agenda-name{font-size:18px;font-weight:700;margin-bottom:8px;padding-top:26px;}
.agenda-text{font-size:14px;line-height:1.8;color:var(--rl-text-2);margin:0 0 12px;}
.agenda-speaker{display:inline-block;font-size:12.5px;color:var(--rl-primary);background:var(--rl-primary-soft);border-radius:999px;padding:4px 12px;}

/* ============ highlights ============ */
.speaker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.speaker-card{
  background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-radius);overflow:hidden;
  box-shadow:var(--rl-shadow-1);transition:all .3s ease-out;
}
.speaker-card:nth-child(even){transform:translateY(32px);}
.speaker-card:hover{box-shadow:var(--rl-shadow-3);transform:translateY(-4px);}
.speaker-card:nth-child(even):hover{transform:translateY(26px);}
.speaker-photo{aspect-ratio:4/5;overflow:hidden;background:#EEEDF7;}
.speaker-photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.speaker-card:hover .speaker-photo img{transform:scale(1.04);}
.speaker-body{padding:20px;}
.speaker-name{font-size:18px;font-weight:700;margin-bottom:4px;}
.speaker-role{font-size:14px;color:var(--rl-text-2);margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.rl-tag{font-size:12px;color:var(--rl-primary);background:var(--rl-primary-soft);border-radius:999px;padding:4px 11px;}

/* ============ news / cms ============ */
.news-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:36px;}
.news-filters{display:flex;flex-wrap:wrap;gap:8px;}
.filter-chip{
  font-size:13px;color:var(--rl-text-2);background:#fff;border:1px solid var(--rl-border);
  border-radius:999px;padding:6px 15px;text-decoration:none;transition:all .25s ease-out;
}
.filter-chip:hover,.filter-chip.active{background:var(--rl-primary);border-color:var(--rl-primary);color:#fff;text-decoration:none;}
.news-layout{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;align-items:stretch;}
.news-card{
  background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-radius);overflow:hidden;
  box-shadow:var(--rl-shadow-1);transition:all .3s ease-out;height:100%;
}
.news-card:hover{box-shadow:var(--rl-shadow-3);transform:translateY(-4px);}
.news-card-link{display:block;height:100%;color:inherit;text-decoration:none;}
.news-card-link:hover{text-decoration:none;color:inherit;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:#EEEDF7;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;}
.badge-cat{
  display:inline-block;font-size:12px;font-weight:600;color:var(--rl-primary);background:var(--rl-primary-soft);
  border-radius:999px;padding:3px 11px;margin-bottom:12px;
}
.news-title{
  font-size:17px;font-weight:700;line-height:1.45;margin-bottom:8px;color:var(--rl-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-lg .news-title{font-size:22px;line-height:1.4;}
.news-excerpt{
  font-size:14px;line-height:1.75;color:var(--rl-text-2);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--rl-text-3);}
.news-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--rl-text-3);}
.news-side{display:grid;grid-template-rows:repeat(3,1fr);gap:20px;}
.news-side .news-card-link{display:flex;gap:16px;padding:14px;}
.news-side .news-thumb{width:132px;flex:0 0 132px;aspect-ratio:4/3;border-radius:12px;}
.news-side .news-body{padding:0;display:flex;flex-direction:column;justify-content:center;}
.news-side .news-title{font-size:16px;margin-bottom:6px;}
.news-side .news-excerpt{font-size:13.5px;margin-bottom:8px;}
.news-more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.empty-state{
  background:#fff;border:1px dashed var(--rl-border);border-radius:var(--rl-radius);
  padding:56px 24px;text-align:center;color:var(--rl-text-2);
}
.empty-state i{font-size:32px;color:var(--rl-primary);margin-bottom:16px;display:block;}
.empty-state p{font-size:15px;margin-bottom:20px;}
.news-foot{display:flex;justify-content:center;margin-top:40px;}

/* ============ ticket compare ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.ticket-card{
  background:#fff;border:1px solid var(--rl-border);border-radius:var(--rl-radius);padding:32px 28px;
  box-shadow:var(--rl-shadow-1);transition:all .3s ease-out;position:relative;
}
.ticket-card:hover{box-shadow:var(--rl-shadow-2);transform:translateY(-4px);}
.ticket-card.recommend{
  border:1.5px solid var(--rl-primary);box-shadow:0 20px 48px rgba(75,63,222,.16);
  transform:translateY(-8px);
}
.ticket-card.recommend:hover{transform:translateY(-12px);box-shadow:0 26px 56px rgba(75,63,222,.2);}
.ticket-badge{
  position:absolute;top:-13px;left:28px;background:var(--rl-accent);color:#fff;
  font-size:12px;font-weight:700;border-radius:999px;padding:4px 14px;letter-spacing:.04em;
}
.ticket-name{font-size:20px;font-weight:800;margin-bottom:6px;}
.ticket-note{font-size:13.5px;color:var(--rl-text-3);margin-bottom:20px;}
.ticket-cap{font-size:26px;font-weight:800;color:var(--rl-primary);margin-bottom:22px;letter-spacing:-.01em;}
.ticket-cap span{font-size:13px;font-weight:500;color:var(--rl-text-3);display:block;letter-spacing:0;margin-top:2px;}
.ticket-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.ticket-list li{display:flex;gap:10px;font-size:14.5px;color:var(--rl-text-2);line-height:1.7;}
.ticket-list i{color:var(--rl-lime);font-size:14px;margin-top:5px;flex:0 0 auto;}

/* ============ signup ============ */
.signup{background:var(--rl-dark);position:relative;overflow:hidden;}
.signup-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.22;
}
.signup-inner{position:relative;z-index:2;padding:96px 0;}
.signup h2{color:#fff;font-size:28px;font-weight:800;margin-bottom:16px;}
.signup .lead{color:#C2BFE0;font-size:15.5px;line-height:1.9;margin-bottom:28px;max-width:420px;}
.signup-points{display:flex;flex-direction:column;gap:16px;}
.signup-points li{display:flex;gap:12px;color:#D5D2EC;font-size:15px;line-height:1.75;}
.signup-points i{color:var(--rl-lime);margin-top:6px;flex:0 0 auto;}
.form-card{background:#fff;border-radius:var(--rl-radius);padding:32px;box-shadow:0 24px 64px rgba(20,18,43,.3);}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--rl-text-3);margin-bottom:22px;}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--rl-text);margin-bottom:7px;}
.form-label .req{color:var(--rl-accent);margin-left:3px;}
.form-control,.form-select{
  width:100%;height:46px;border:1px solid var(--rl-border);border-radius:var(--rl-radius-sm);
  padding:0 14px;color:var(--rl-text);background:#fff;transition:all .25s ease-out;outline:none;
}
textarea.form-control{height:auto;min-height:100px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control::placeholder{color:var(--rl-text-3);}
.form-control:focus,.form-select:focus{border-color:var(--rl-primary);box-shadow:0 0 0 4px rgba(75,63,222,.12);}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--rl-text-2);line-height:1.7;}
.form-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--rl-primary);flex:0 0 auto;}
.privacy-note{font-size:12.5px;color:var(--rl-text-3);margin-top:12px;text-align:center;}
.form-success{
  display:none;background:var(--rl-lime-soft);border-radius:12px;padding:14px 16px;
  font-size:14px;color:#3F5416;margin-bottom:18px;
}
.form-success.is-visible{display:block;}

/* ============ faq ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--rl-border);border-radius:12px;overflow:hidden;transition:all .25s ease-out;}
.faq-item.is-open{border-color:#D6D2F5;box-shadow:var(--rl-shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:20px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--rl-text);cursor:pointer;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--rl-primary);opacity:0;transition:opacity .25s ease-out;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--rl-primary-soft);color:var(--rl-primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .25s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--rl-text-2);}

/* ============ footer ============ */
.site-footer{background:var(--rl-dark-2);color:#B9B7CC;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;text-decoration:none;}
.footer-brand:hover{text-decoration:none;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--rl-primary) 0%,#6C5CE7 100%);box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:16px;}
.footer-brand .brand-sub{color:#7C799E;}
.footer-text{font-size:14px;line-height:1.9;color:#B9B7CC;max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:#B9B7CC;text-decoration:none;transition:all .25s ease-out;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.8;}
.footer-contact i{color:var(--rl-primary);margin-top:6px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;
  gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:#8A88A0;
}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .hero-inner{padding:72px 20px 88px;}
  .hero h1{font-size:34px;}
  .agenda-grid{grid-template-columns:repeat(3,1fr);gap:24px;}
  .agenda-rail::before{display:none;}
  .agenda-item{padding-top:0;}
  .agenda-item::before{position:static;display:block;margin-bottom:14px;}
  .agenda-name{padding-top:0;}
  .news-layout{grid-template-columns:1fr;}
  .news-side{grid-template-rows:none;}
  .news-more-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .header-search,.header-actions .rl-btn{display:none;}
  .nav-toggle{display:flex;}
  .header-nav{display:none;}
  .site-header.is-scrolled .header-nav{display:none;}
  .speaker-grid{grid-template-columns:repeat(2,1fr);}
  .speaker-card:nth-child(even){transform:none;}
  .speaker-card:nth-child(even):hover{transform:translateY(-4px);}
  .ticket-grid{grid-template-columns:1fr;gap:32px;}
  .ticket-card.recommend{transform:none;}
  .ticket-card.recommend:hover{transform:translateY(-4px);}
  .signup-inner{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;line-height:1.85;}
  .section{padding:56px 0;}
  .section-sm{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-title{font-size:24px;}
  .hero-inner{padding:56px 20px 68px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .rl-btn{width:100%;}
  .hero-stats{gap:28px;}
  .hero-stat .num{font-size:24px;}
  .agenda-grid{grid-template-columns:1fr;}
  .news-more-grid{grid-template-columns:1fr;}
  .news-side .news-card-link{flex-direction:column;}
  .news-side .news-thumb{width:100%;flex:none;aspect-ratio:16/10;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .speaker-grid{grid-template-columns:1fr;}
  .hero h1{font-size:25px;}
  .trust-inner{gap:14px 24px;flex-direction:column;align-items:flex-start;}
  .rl-btn-lg{padding:14px 24px;font-size:15px;}
}

/* roulang page: article */
:root{
  --primary:#4B3FDE;
  --primary-dark:#2E2699;
  --primary-soft:#EDEBFF;
  --accent:#A3E635;
  --accent-soft:#F0FBD8;
  --warn:#FF7A45;
  --warn-dark:#E85F2C;
  --text:#1C1B2E;
  --text-2:#5A5872;
  --text-3:#8A88A0;
  --border:#E6E5F0;
  --bg:#F6F6FB;
  --card:#FFFFFF;
  --dark:#14122B;
  --dark-2:#1B1935;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --sh-1:0 1px 2px rgba(28,27,46,.06);
  --sh-2:0 8px 24px rgba(28,27,46,.08);
  --sh-3:0 18px 48px rgba(75,63,222,.14);
  --t:.28s ease-out;
  --bs-primary:#4B3FDE;
  --bs-body-color:#1C1B2E;
  --bs-body-bg:#F6F6FB;
  --bs-border-color:#E6E5F0;
  --bs-link-color:#4B3FDE;
  --bs-link-hover-color:#2E2699;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{padding-left:1.2em;margin:0 0 1em;}
h1,h2,h3,h4{line-height:1.3;letter-spacing:.01em;margin:0 0 .6em;font-weight:700;}
p{margin:0 0 1em;}
.container-xl{width:100%;max-width:1200px;padding:0 20px;margin:0 auto;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:background var(--t),box-shadow var(--t);
}
.header-inner{display:flex;flex-direction:column;}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0;min-height:64px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;font-weight:800;font-size:20px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(75,63,222,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.01em;}
.brand-sub{font-size:10px;letter-spacing:.22em;color:var(--text-3);font-weight:600;}
.header-tools{display:flex;align-items:center;gap:12px;}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border:1px solid var(--border);border-radius:999px;
  padding:0 14px;height:40px;min-width:260px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.header-search i{color:var(--text-3);font-size:13px;}
.header-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.header-search input::placeholder{color:var(--text-3);}
.header-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(75,63,222,.12);}
.btn-signup{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-s);
  background:var(--warn);color:#fff;font-weight:600;font-size:14px;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-signup:hover{background:var(--warn-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.28);}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:var(--r-s);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.channel-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  border-top:1px solid var(--border);padding:0 0 2px;
}
.nav-channels{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;}
.nav-channels li a{
  display:inline-block;padding:12px 14px;font-size:15px;font-weight:500;color:var(--text-2);
  border-bottom:3px solid transparent;transition:color var(--t),border-color var(--t);
}
.nav-channels li a:hover{color:var(--primary);}
.nav-channels li a.active{color:var(--primary);font-weight:700;border-bottom-color:var(--primary);}
.trend-bar{display:flex;align-items:center;gap:8px;overflow-x:auto;white-space:nowrap;padding:8px 0;scrollbar-width:none;}
.trend-bar::-webkit-scrollbar{display:none;}
.trend-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary-dark);font-size:13px;font-weight:500;transition:background var(--t),color var(--t);
}
.trend-chip:hover{background:var(--primary);color:#fff;}
.trend-chip i{font-size:10px;}
.site-header.is-compact .channel-row{display:none;}
.site-header.is-compact{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(28,27,46,.07);}
.site-header.is-compact .brand-row{padding:6px 0;min-height:56px;}

/* drawer */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(20,18,43,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:1040;
}
.drawer-overlay.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:1050;
  transform:translateX(102%);transition:transform .3s ease-out;
  display:flex;flex-direction:column;gap:18px;padding:22px 20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-close{align-self:flex-end;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer;color:var(--text-2);}
.drawer-links{list-style:none;padding:0;margin:0;}
.drawer-links li{border-bottom:1px solid var(--border);}
.drawer-links li a{display:block;padding:14px 2px;font-size:16px;font-weight:600;color:var(--text);}
.drawer-links li a.active{color:var(--primary);}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-search{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:var(--r-s);padding:0 12px;height:46px;background:var(--bg);}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}

/* ---------- breadcrumb & post head ---------- */
.post-head{padding:28px 0 0;}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb-nav a{color:var(--text-2);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.post-cat{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);margin-bottom:14px;}
.post-cat::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--warn);}
.post-title{font-size:40px;font-weight:800;line-height:1.28;margin:0 0 18px;color:var(--text);}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px;}
.post-meta .dot{color:#C9C7D8;}
.post-cover{border-radius:var(--r-m);overflow:hidden;background:#EEEDF7;box-shadow:var(--sh-2);margin-bottom:40px;}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-fallback{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:#EEEDF7;color:var(--text-3);font-size:32px;}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding-bottom:8px;}
.article-main{max-width:760px;margin:0 auto;width:100%;}
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1em;}
.article-body h2{
  font-size:24px;font-weight:700;margin:48px 0 16px;padding-left:14px;position:relative;scroll-margin-top:120px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--primary);}
.article-body h3{font-size:19px;font-weight:700;margin:32px 0 12px;scroll-margin-top:120px;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--accent);}
.article-body ol li::marker{color:var(--primary);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--primary-soft);
  border-left:3px solid var(--primary);border-radius:0 var(--r-s) var(--r-s) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-m);margin:24px auto;box-shadow:var(--sh-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:var(--r-s);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-body th{background:var(--primary-soft);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FAFAFE;}
.article-body code{background:var(--primary-soft);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--primary-dark);}
.article-body pre{background:var(--dark);color:#E8E7F5;padding:18px;border-radius:var(--r-m);overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;height:1px;background:var(--border);margin:36px 0;}

/* toc */
.toc{display:none;}
.toc-inner{position:sticky;top:120px;border-left:2px solid var(--border);padding-left:16px;}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:8px;}
.toc-list a{display:block;font-size:14px;color:var(--text-2);line-height:1.6;padding-left:10px;border-left:2px solid transparent;margin-left:-18px;transition:color var(--t),border-color var(--t);}
.toc-list a:hover{color:var(--primary);}
.toc-list a.active{color:var(--primary);font-weight:700;border-left-color:var(--primary);}

/* empty */
.empty-state{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);padding:56px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .icon{font-size:34px;color:var(--primary);margin-bottom:16px;}
.empty-state h2{font-size:22px;margin-bottom:10px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--text-2);font-size:15px;}
.btn-outline-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-s);
  border:1px solid var(--primary);color:var(--primary);background:transparent;font-weight:600;font-size:15px;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.btn-outline-primary:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary-dark);}
.btn-solid-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-s);
  background:var(--primary);color:#fff;font-weight:600;font-size:15px;border:1px solid var(--primary);
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-solid-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}

/* tags / actions */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:44px 0 0;}
.post-tags .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag-chip{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--border);font-size:13px;color:var(--text-2);transition:all var(--t);
}
.tag-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.post-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:28px;padding-top:24px;border-top:1px solid var(--border);}

/* related */
.section{padding:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{font-size:26px;font-weight:800;margin:0;letter-spacing:.01em;}
.section-head h2::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--warn);margin-right:10px;vertical-align:middle;}
.section-head .more{font-size:14px;color:var(--text-2);}
.section-head .more:hover{color:var(--primary);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-post{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card-post:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCDAF0;}
.card-thumb{position:relative;overflow:hidden;background:#EEEDF7;}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out;}
.card-post:hover .card-thumb img{transform:scale(1.04);}
.card-badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);font-size:12px;font-weight:600;backdrop-filter:blur(4px);
}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-post:hover .card-title{color:var(--primary);}
.card-desc{font-size:14px;color:var(--text-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}

/* cta */
.cta-band{
  margin-top:64px;background:var(--dark);border-radius:var(--r-l);padding:44px 40px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background-image:linear-gradient(120deg,rgba(20,18,43,.94) 0%,rgba(46,38,153,.86) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:26px;color:#fff;margin:0 0 8px;}
.cta-band p{color:#B9B7CC;font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-warn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-s);
  background:var(--warn);color:#fff;font-weight:600;font-size:15px;border:1px solid var(--warn);
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-warn:hover{background:var(--warn-dark);border-color:var(--warn-dark);color:#fff;transform:scale(1.01);box-shadow:0 14px 30px rgba(255,122,69,.3);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.32);color:#fff;font-weight:600;font-size:15px;background:transparent;
  transition:background var(--t),border-color var(--t);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;}

/* footer */
.site-footer{background:var(--dark);color:#B9B7CC;margin-top:96px;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:19px;background:linear-gradient(140deg,var(--primary) 0%,#6C63F0 100%);}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:800;display:block;}
.footer-brand .brand-sub{color:#8A88A0;font-size:10px;letter-spacing:.2em;}
.footer-text{font-size:14px;line-height:1.85;color:#B9B7CC;max-width:340px;margin:0;}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin:0 0 16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#B9B7CC;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#B9B7CC;line-height:1.7;}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8A88A0;
}

/* responsive */
@media (max-width:1199.98px){
  .toc{display:none !important;}
  .post-title{font-size:34px;}
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;}
  .toc{display:block;}
}
@media (max-width:991.98px){
  .header-search{display:none;}
  .hamburger{display:flex;}
  .channel-row{display:none;}
  .brand-row{min-height:60px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .post-title{font-size:27px;}
  .post-head{padding-top:20px;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:21px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .section{padding-top:44px;}
  .section-head h2{font-size:22px;}
  .cta-band{padding:32px 24px;border-radius:var(--r-m);}
  .cta-band h2{font-size:21px;}
  .site-footer{margin-top:64px;padding:48px 0 22px;}
}
@media (max-width:575.98px){
  .container-xl{padding:0 16px;}
  .brand-name{font-size:15px;}
  .brand-mark{width:36px;height:36px;font-size:18px;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .post-meta{font-size:12.5px;}
  .btn-signup{height:36px;padding:0 14px;font-size:13px;}
  .post-actions .btn-outline-primary,.post-actions .btn-solid-primary{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#4B3FDE;
  --c-primary-dark:#2E2699;
  --c-primary-light:#EDEBFF;
  --c-accent:#A3E635;
  --c-accent-light:#F0FBD8;
  --c-warn:#FF7A45;
  --c-warn-dark:#E85F2C;
  --c-ink:#1C1B2E;
  --c-ink-2:#5A5872;
  --c-ink-3:#8A88A0;
  --c-line:#E6E5F0;
  --c-bg:#F6F6FB;
  --c-card:#FFFFFF;
  --c-dark:#14122B;
  --c-dark-2:#1B1935;
  --r-btn:10px;
  --r-input:10px;
  --r-card:16px;
  --r-block:24px;
  --sh-1:0 1px 2px rgba(28,27,46,.06);
  --sh-2:0 8px 24px rgba(28,27,46,.08);
  --sh-3:0 18px 48px rgba(75,63,222,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;

  --bs-primary:#4B3FDE;
  --bs-body-color:#1C1B2E;
  --bs-border-color:#E6E5F0;
  --bs-link-color:#4B3FDE;
  --bs-link-hover-color:#2E2699;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.3;letter-spacing:.01em;font-weight:700;margin:0;color:var(--c-ink);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container-xl{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:background .25s ease-out, box-shadow .25s ease-out;
}
.site-header.is-shrunk{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 4px 18px rgba(28,27,46,.06);
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:8px 0;
  transition:min-height .25s ease-out;
}
.site-header.is-shrunk .brand-row{min-height:52px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(75,63,222,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:.01em;}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--c-ink-3);font-weight:600;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.header-search{
  position:relative;
  display:flex;align-items:center;
  width:260px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:0 14px;
  height:40px;
}
.header-search i{color:var(--c-ink-3);font-size:13px;margin-right:8px;}
.header-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-ink);width:100%;height:100%;
}
.header-search input::placeholder{color:var(--c-ink-3);}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(75,63,222,.12);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  gap:6px;
  background:var(--c-warn);
  color:#fff;font-weight:700;font-size:14px;
  border:0;border-radius:var(--r-btn);
  padding:10px 20px;
  transition:all .28s ease-out;
  white-space:nowrap;
}
.btn-accent:hover{background:var(--c-warn-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(232,95,44,.28);text-decoration:none;}
.btn-accent:active{transform:translateY(0);}
.hamburger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);
  color:var(--c-ink);font-size:16px;
  align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--c-primary);color:var(--c-primary);}

.channel-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-top:1px solid var(--c-line);
  min-height:46px;
  transition:max-height .3s ease-out, opacity .2s ease-out;
  overflow:hidden;
}
.site-header.is-shrunk .channel-row{
  min-height:0;max-height:0;opacity:0;border-top-color:transparent;
}
.nav-channels{display:flex;align-items:center;gap:6px;}
.nav-channels a{
  position:relative;
  display:inline-block;
  padding:11px 14px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  text-decoration:none;
  border-radius:8px;
  transition:color .22s ease-out;
}
.nav-channels a::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:7px;height:3px;
  border-radius:3px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease-out;
}
.nav-channels a:hover{color:var(--c-primary);}
.nav-channels a:hover::after{transform:scaleX(1);}
.nav-channels a.active{color:var(--c-primary);font-weight:700;}
.nav-channels a.active::after{transform:scaleX(1);}
.hotwords{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;white-space:nowrap;
  max-width:520px;
  scrollbar-width:none;
}
.hotwords::-webkit-scrollbar{display:none;}
.hotwords .hot-label{font-size:12px;color:var(--c-ink-3);flex:0 0 auto;}
.hotwords a{
  flex:0 0 auto;
  font-size:12.5px;
  color:var(--c-primary);
  background:var(--c-primary-light);
  border-radius:999px;
  padding:4px 12px;
  transition:background .22s ease-out,color .22s ease-out;
}
.hotwords a:hover{background:var(--c-primary);color:#fff;text-decoration:none;}

/* 移动抽屉 */
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,18,43,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s;
  z-index:1040;
}
.nav-overlay.show{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;
  width:86%;max-width:360px;
  background:#fff;z-index:1050;
  padding:22px 20px 40px;
  transform:translateX(102%);
  transition:transform .3s ease-out;
  overflow-y:auto;
  box-shadow:-16px 0 48px rgba(28,27,46,.18);
}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:15px;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:.08em;margin:18px 0 8px;}
.drawer-links a{
  display:block;
  padding:12px 14px;border-radius:12px;
  color:var(--c-ink);font-size:15.5px;font-weight:500;
}
.drawer-links a:hover{background:var(--c-primary-light);color:var(--c-primary);text-decoration:none;}
.drawer-links a.active{background:var(--c-primary-light);color:var(--c-primary);font-weight:700;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-chips a{
  font-size:12.5px;background:var(--c-primary-light);color:var(--c-primary);
  border-radius:999px;padding:5px 12px;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--c-line);border-radius:12px;height:44px;padding:0 14px;
  background:var(--c-bg);
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14.5px;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(20,18,43,.92) 8%,rgba(46,38,153,.78) 55%,rgba(20,18,43,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:46px 0 42px;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--c-primary) 0 42%,var(--c-accent) 42% 72%,var(--c-warn) 72% 100%);
}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px;
}
.breadcrumb-line a{color:rgba(255,255,255,.82);}
.breadcrumb-line a:hover{color:#fff;}
.breadcrumb-line span.sep{color:rgba(255,255,255,.38);}
.page-hero h1{
  font-size:38px;font-weight:800;color:#fff;
  margin-bottom:14px;letter-spacing:.01em;
}
.page-hero .hero-desc{
  max-width:720px;font-size:15.5px;line-height:1.85;
  color:rgba(255,255,255,.86);margin-bottom:20px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags span{
  font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;border-radius:999px;padding:5px 13px;
}

/* ============ 板块通用 ============ */
.section{padding:var(--sp-9) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--c-primary);background:var(--c-primary-light);
  border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.section-head h2{font-size:28px;font-weight:800;}
.section-head p{color:var(--c-ink-2);font-size:15px;max-width:720px;margin:10px 0 0;}

/* ============ 锚点目录 ============ */
.anchor-nav{
  position:sticky;top:104px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 18px;
  box-shadow:var(--sh-1);
}
.anchor-title{
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--c-ink-3);margin:0 0 12px;
}
.anchor-list li + li{margin-top:2px;}
.anchor-list a{
  display:block;
  padding:9px 12px;
  font-size:14px;
  color:var(--c-ink-2);
  border-left:3px solid transparent;
  border-radius:0 8px 8px 0;
  transition:all .22s ease-out;
  line-height:1.5;
}
.anchor-list a:hover{background:var(--c-bg);color:var(--c-primary);text-decoration:none;}
.anchor-list a.active{
  background:var(--c-primary-light);
  border-left-color:var(--c-primary);
  color:var(--c-primary);
  font-weight:700;
}
.anchor-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:18px;
  border:1px solid var(--c-primary);
  color:var(--c-primary);
  background:transparent;
  border-radius:var(--r-btn);
  padding:10px 14px;
  font-size:14px;font-weight:600;
  transition:all .25s ease-out;
}
.anchor-cta:hover{background:var(--c-primary-light);text-decoration:none;color:var(--c-primary-dark);}

/* ============ 分步卡片 ============ */
.step-card{
  position:relative;
  display:flex;
  gap:20px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .3s ease-out;
  scroll-margin-top:110px;
}
.step-card + .step-card{margin-top:20px;}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD9F5;}
.step-badge{
  flex:0 0 46px;width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 8px 18px rgba(75,63,222,.22);
}
.step-body{flex:1 1 auto;min-width:0;}
.step-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.step-text{font-size:15px;color:var(--c-ink-2);margin:0;}
.step-list{margin:12px 0 0;}
.step-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--c-ink-2);
  margin-bottom:6px;
}
.step-list li::before{
  content:"";
  position:absolute;left:4px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.step-tip{
  display:flex;gap:10px;align-items:flex-start;
  margin-top:14px;
  background:var(--c-accent-light);
  border-left:3px solid var(--c-accent);
  border-radius:0 10px 10px 0;
  padding:11px 14px;
  font-size:13.5px;
  color:#3E5220;
  line-height:1.7;
}
.step-tip i{color:#6B8F1F;margin-top:3px;font-size:13px;}
.step-figure{
  margin-top:16px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--c-line);
  background:#EEEDF7;
}
.step-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ============ 核查清单 ============ */
.check-panel{
  background:var(--c-dark);
  border-radius:var(--r-block);
  padding:40px 38px;
  color:#fff;
}
.check-panel h2{color:#fff;font-size:26px;font-weight:800;}
.check-panel > p{color:#B9B7CC;font-size:15px;margin:12px 0 26px;max-width:760px;}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  padding:16px 18px;
  transition:background .25s ease-out,border-color .25s ease-out;
}
.check-item:hover{background:rgba(255,255,255,.09);border-color:rgba(163,230,53,.45);}
.check-item i{color:var(--c-accent);font-size:15px;margin-top:4px;}
.check-item strong{display:block;font-size:15px;color:#fff;margin-bottom:4px;font-weight:700;}
.check-item span{font-size:13.5px;color:#B9B7CC;line-height:1.7;}

/* ============ FAQ ============ */
.faq-block{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item:hover{border-color:#DCD9F5;}
.faq-item.open{box-shadow:var(--sh-2);border-color:#DCD9F5;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;
  text-align:left;
  padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--c-ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--c-primary);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;
  transition:transform .25s ease-out;
}
.faq-item.open .faq-q::before{transform:scaleY(1);}
.faq-q .faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:12px;
  transition:transform .28s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease-out;
}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:14.5px;
  color:var(--c-ink-2);
  line-height:1.85;
}

/* ============ 相关阅读 ============ */
.read-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.read-item{
  display:flex;gap:14px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:14px;
  transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.read-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);text-decoration:none;}
.read-thumb{
  flex:0 0 88px;width:88px;height:70px;
  border-radius:11px;overflow:hidden;background:#EEEDF7;
}
.read-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.read-item:hover .read-thumb img{transform:scale(1.05);}
.read-body{min-width:0;}
.read-body .read-tag{
  display:inline-block;font-size:11.5px;font-weight:700;
  color:var(--c-primary);background:var(--c-primary-light);
  border-radius:999px;padding:2px 9px;margin-bottom:6px;
}
.read-body h3{
  font-size:15px;font-weight:700;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  line-height:1.55;
}
.read-item:hover .read-body h3{color:var(--c-primary);}

/* ============ 底部 CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--c-primary-light) 0%,#F7F6FF 100%);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:56px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;font-weight:800;margin-bottom:8px;}
.cta-inner p{color:var(--c-ink-2);font-size:14.5px;margin:0;max-width:640px;}
.btn-outline-primary-c{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--c-primary);
  color:var(--c-primary);
  background:transparent;
  border-radius:var(--r-btn);
  padding:11px 24px;
  font-weight:700;font-size:14.5px;
  transition:all .25s ease-out;
  white-space:nowrap;
}
.btn-outline-primary-c:hover{background:var(--c-primary);color:#fff;text-decoration:none;box-shadow:0 10px 24px rgba(75,63,222,.24);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#B9B7CC;padding:64px 0 28px;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:3fr 2fr 2fr 2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.footer-brand:hover{text-decoration:none;}
.footer-brand .brand-mark{
  background:linear-gradient(140deg,var(--c-primary) 0%,#6E62F0 100%);
}
.footer-brand .brand-name{color:#fff;font-size:16px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.45);}
.footer-text{font-size:13.5px;line-height:1.85;color:#B9B7CC;margin-top:16px;max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#B9B7CC;font-size:14px;transition:color .22s ease-out;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;line-height:1.75;color:#B9B7CC;
  margin-bottom:12px;
}
.footer-contact i{color:var(--c-accent);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container-xl{max-width:100%;}
  .hotwords{max-width:360px;}
}
@media (max-width:991px){
  .nav-channels,.hotwords{display:none;}
  .channel-row{display:none;}
  .header-search{display:none;}
  .hamburger{display:flex;}
  .brand-row{min-height:58px;}
  .site-header.is-shrunk .brand-row{min-height:54px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{padding:36px 0 34px;}
  .page-hero h1{font-size:30px;}
  .anchor-nav{position:static;margin-bottom:24px;}
  .check-grid{grid-template-columns:1fr;}
  .read-list{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .read-list{grid-template-columns:1fr;}
  .check-panel{padding:28px 20px;}
  .step-card{padding:20px;gap:14px;}
  .step-badge{flex:0 0 40px;width:40px;height:40px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .btn-accent,.btn-outline-primary-c{width:100%;justify-content:center;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .check-panel h2{font-size:22px;}
  .brand-name{font-size:15.5px;}
  .container-xl{padding-left:16px;padding-right:16px;}
}

/* roulang page: category2 */
:root{
  --primary:#4B3FDE;
  --primary-dark:#2E2699;
  --primary-light:#EDEBFF;
  --accent:#A3E635;
  --accent-light:#F0FBD8;
  --hot:#FF7A45;
  --hot-dark:#E85F2C;
  --ink:#1C1B2E;
  --ink-2:#5A5872;
  --ink-3:#8A88A0;
  --line:#E6E5F0;
  --bg:#F6F6FB;
  --card:#FFFFFF;
  --dark:#14122B;
  --dark-2:#1B1935;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --sh-1:0 1px 2px rgba(28,27,46,.06);
  --sh-2:0 8px 24px rgba(28,27,46,.08);
  --sh-3:0 18px 48px rgba(75,63,222,.14);
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;

  --bs-primary:#4B3FDE;
  --bs-primary-rgb:75,63,222;
  --bs-body-color:#1C1B2E;
  --bs-body-bg:#F6F6FB;
  --bs-border-color:#E6E5F0;
  --bs-border-radius:10px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#4B3FDE;
  --bs-link-hover-color:#2E2699;
  --bs-font-sans-serif:var(--ff);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease-out,background-color .25s ease-out,border-color .25s ease-out;}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.01em;font-weight:700;color:var(--ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container-xl{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  text-decoration:none;
  transition:transform .25s ease-out,background-color .25s ease-out,box-shadow .25s ease-out,color .25s ease-out,border-color .25s ease-out;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(75,63,222,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(75,63,222,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--hot);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.26);}
.btn-accent:hover{background:var(--hot-dark);color:#fff;transform:translateY(-1px) scale(1.01);}
.btn-accent:active{transform:translateY(0) scale(1);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary-dark);color:var(--primary-dark);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out;
}
.site-header.is-compact{box-shadow:0 6px 22px rgba(28,27,46,.08);}
.header-top-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:56px;
  transition:height .25s ease-out;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--hot) 120%);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(75,63,222,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--ink-3);font-weight:600;}
.header-search{
  position:relative;
  flex:1 1 auto;
  max-width:340px;
  margin-left:auto;
}
.header-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);font-size:14px;
}
.header-search input{
  width:100%;height:38px;padding:0 14px 0 36px;
  border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:14px;
  transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(75,63,222,.12);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .25s ease-out,border-color .25s ease-out;
}
.nav-toggle:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary);}

.header-bottom{
  border-top:1px solid var(--line);
  transition:opacity .2s ease-out;
}
.header-bottom-inner{
  display:flex;align-items:center;gap:28px;
  height:44px;
}
.nav-channels{display:flex;align-items:center;gap:26px;flex:0 0 auto;}
.nav-channels a{
  display:block;
  padding:11px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);
  border-bottom:3px solid transparent;
  text-decoration:none;
}
.nav-channels a:hover{color:var(--primary);text-decoration:none;}
.nav-channels a.active{color:var(--primary);font-weight:700;border-bottom-color:var(--primary);}
.trend-bar{
  display:flex;align-items:center;gap:8px;
  margin-left:auto;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;
}
.trend-bar::-webkit-scrollbar{display:none;}
.trend-label{font-size:12px;color:var(--ink-3);font-weight:600;flex:0 0 auto;}
.chip-mini{
  display:inline-block;
  padding:3px 12px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;text-decoration:none;flex:0 0 auto;
  transition:background-color .25s ease-out,color .25s ease-out;
}
.chip-mini:hover{background:var(--primary);color:#fff;text-decoration:none;}

.site-header.is-compact .header-top-inner{height:48px;}
.site-header.is-compact .brand-sub{display:none;}
.site-header.is-compact .trend-bar{display:none;}
.site-header.is-compact .nav-channels a{padding:6px 0;}

/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;z-index:1040;
  background:rgba(20,18,43,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease-out,visibility .3s;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:1050;
  width:86%;max-width:360px;
  background:#fff;
  transform:translateX(100%);
  transition:transform .3s ease-out;
  display:flex;flex-direction:column;gap:20px;
  padding:20px;overflow-y:auto;
  box-shadow:-18px 0 48px rgba(28,27,46,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .brand-name{font-size:16px;font-weight:800;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);cursor:pointer;
}
.drawer-close:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary);}
.drawer-search{position:relative;}
.drawer-search input{
  width:100%;height:42px;padding:0 14px 0 38px;border-radius:999px;
  border:1px solid var(--line);font-size:14px;background:#fff;
}
.drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:block;padding:13px 4px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);text-decoration:none;
}
.drawer-nav a.active{color:var(--primary);font-weight:700;}
.drawer-trends{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 页面头部 ---------- */
.page-head{
  position:relative;
  background:var(--dark);
  overflow:hidden;
  color:#fff;
}
.page-head-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(20,18,43,.94) 0%,rgba(46,38,153,.82) 60%,rgba(20,18,43,.72) 100%);
}
.page-head-inner{position:relative;z-index:2;padding:52px 0 56px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px;}
.crumbs a{color:rgba(255,255,255,.82);text-decoration:none;}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span{color:rgba(255,255,255,.4);}
.crumbs em{font-style:normal;color:#fff;font-weight:600;}
.page-head h1{font-size:40px;font-weight:800;color:#fff;margin-bottom:14px;}
.page-head-desc{
  max-width:760px;font-size:16px;line-height:1.9;
  color:rgba(255,255,255,.82);
}
.page-head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-solid{
  display:inline-block;padding:4px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:500;
}
.page-head-line{
  position:relative;z-index:2;height:4px;
  background:linear-gradient(90deg,var(--primary) 0 40%,var(--accent) 40% 70%,var(--hot) 70% 100%);
}

/* ---------- 状态数据条 ---------- */
.stat-strip{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
  position:relative;
}
.stat-item:last-child{border-right:none;}
.stat-item .dot{
  position:absolute;top:26px;right:24px;
  width:8px;height:8px;border-radius:50%;background:var(--hot);
  box-shadow:0 0 0 4px rgba(255,122,69,.16);
}
.stat-item b{display:block;font-size:28px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-item span{display:block;font-size:13px;color:var(--ink-2);margin-top:6px;}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:800;}
.section-head p{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:720px;}

/* ---------- 筛选 chip ---------- */
.filter-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-bottom:22px;margin-bottom:28px;
  border-bottom:1px solid var(--line);
}
.filter-row .filter-label{font-size:13px;color:var(--ink-3);font-weight:600;margin-right:4px;}
.chip{
  padding:7px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all .25s ease-out;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(75,63,222,.22);}

/* ---------- 功能卡片瀑布 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:start;
}
.feature-col{display:flex;flex-direction:column;gap:24px;}
.feature-col--side{padding-top:36px;}
.fcard{
  display:grid;
  grid-template-columns:40% 1fr;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .3s ease-out;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#DAD6FB;}
.fcard-media{
  position:relative;
  overflow:hidden;
  background:#EEEDF7;
  min-height:100%;
}
.fcard-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease-out;
}
.fcard:hover .fcard-media img{transform:scale(1.04);}
.fcard--wide .fcard-media{min-height:216px;}
.fcard--narrow .fcard-media{min-height:178px;}
.fcard-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;}
.fcard-badge{
  align-self:flex-start;
  padding:2px 10px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;
}
.fcard-body h3{font-size:18px;font-weight:700;}
.fcard-body p{font-size:14px;line-height:1.85;color:var(--ink-2);}
.fcard-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag-soft{
  padding:2px 10px;border-radius:999px;
  background:#F3F3FA;color:var(--ink-2);
  font-size:12px;font-weight:500;
}
.fcard-link{
  font-size:13px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;margin-top:6px;
}
.fcard-link i{font-size:11px;transition:transform .25s ease-out;}
.fcard:hover .fcard-link i{transform:translateX(3px);}
.fcard.is-hidden{display:none;}
.empty-state{
  display:none;
  padding:48px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius);
  background:#fff;color:var(--ink-2);
}
.empty-state.is-visible{display:block;}
.empty-state i{font-size:32px;color:var(--primary);margin-bottom:12px;}

/* ---------- 上手路径暗区 ---------- */
.path-section{
  background:var(--dark);
  color:#fff;
  padding:76px 0;
}
.path-section .section-head h2{color:#fff;}
.path-section .section-head p{color:rgba(255,255,255,.7);}
.path-track{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
}
.path-step{
  position:relative;
  padding:22px 20px 24px;
  border-radius:var(--radius);
  background:var(--dark-2);
  border:1px solid rgba(255,255,255,.12);
  transition:transform .3s ease-out,border-color .3s ease-out;
}
.path-step:hover{transform:translateY(-4px);border-color:rgba(163,230,53,.5);}
.path-step .num{
  display:block;font-size:13px;font-weight:800;color:var(--accent);
  letter-spacing:.08em;margin-bottom:12px;
}
.path-step h3{font-size:16px;color:#fff;margin-bottom:8px;}
.path-step p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.66);}
.path-step::after{
  content:"";position:absolute;top:34px;right:-12px;
  width:24px;height:2px;background:rgba(255,255,255,.16);
}
.path-step:last-child::after{display:none;}

/* ---------- 相关阅读 ---------- */
.read-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.read-item{
  display:flex;align-items:flex-start;gap:16px;
  padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  text-decoration:none;
  transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .3s ease-out;
}
.read-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DAD6FB;text-decoration:none;}
.read-item .idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.read-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.read-item p{font-size:13px;color:var(--ink-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  background:#fff;
}
.faq-accordion .accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);
  background:#fff;padding:18px 20px;
  border-left:3px solid transparent;
  box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:#fff;
  border-left-color:var(--primary);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 4px rgba(75,63,222,.12);z-index:2;}
.faq-accordion .accordion-button::after{
  background-image:none !important;
  content:"+";
  font-size:20px;line-height:1;color:var(--primary);
  width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease-out;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
}
.faq-accordion .accordion-body{
  font-size:15px;color:var(--ink-2);line-height:1.9;
  padding:4px 22px 20px;
  border-left:3px solid var(--primary);
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 88px;}
.cta-box{
  display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;
  padding:44px 44px;
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,var(--dark) 0%,#2A2470 100%);
  color:#fff;
  box-shadow:0 24px 60px rgba(28,27,46,.22);
  position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(163,230,53,.28),transparent 66%);
}
.cta-copy h2{font-size:27px;color:#fff;margin-bottom:12px;}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.76);max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-points li{
  font-size:13px;color:rgba(255,255,255,.86);
  padding:4px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:#B9B7CC;
  padding:64px 0 0;
  border-top:4px solid var(--primary);
}
.footer-grid{
  display:grid;
  grid-template-columns:3fr 2fr 2fr 2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--hot));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;}
.footer-brand .brand-name{display:block;font-size:16px;font-weight:800;color:#fff;}
.footer-brand .brand-sub{display:block;font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.45);font-weight:600;}
.footer-text{font-size:13px;line-height:1.9;color:#B9B7CC;max-width:320px;}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#B9B7CC;text-decoration:none;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:13px;line-height:1.8;color:#B9B7CC;}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:12px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-head h1{font-size:34px;}
  .stat-item b{font-size:24px;}
  .cta-box{padding:36px 32px;}
}
@media (max-width:991px){
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-bottom{display:none;}
  .site-header .header-top-inner{height:56px;}
  .section{padding:56px 0;}
  .path-section{padding:56px 0;}
  .page-head-inner{padding:40px 0 44px;}
  .page-head h1{font-size:32px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid var(--line);}
  .stat-item:nth-child(2n){border-right:none;}
  .stat-item:nth-last-child(-n+2){border-bottom:none;}
  .feature-grid{grid-template-columns:1fr;gap:20px;}
  .feature-col--side{padding-top:0;}
  .fcard--wide .fcard-media,.fcard--narrow .fcard-media{min-height:200px;}
  .path-track{grid-template-columns:repeat(2,1fr);}
  .path-step::after{display:none;}
  .read-list{grid-template-columns:1fr;}
  .cta-box{grid-template-columns:1fr;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .section-head h2{font-size:23px;}
  .page-head h1{font-size:28px;}
  .page-head-desc{font-size:15px;}
  .cta-box{padding:28px 22px;border-radius:var(--radius);}
  .cta-copy h2{font-size:22px;}
}
@media (max-width:575px){
  .brand-name{font-size:15px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:20px 4px;}
  .stat-item:last-child{border-bottom:none;}
  .fcard{grid-template-columns:1fr;}
  .fcard-media{min-height:180px !important;}
  .btn{width:100%;}
  .btn-sm,.nav-toggle,.chip,.chip-mini{width:auto;}
  .cta-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .path-track{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
  --brand:#4B3FDE;
  --brand-dark:#2E2699;
  --brand-light:#EDEBFF;
  --accent:#A3E635;
  --accent-light:#F0FBD8;
  --coral:#FF7A45;
  --coral-dark:#E85F2C;
  --text:#1C1B2E;
  --text-2:#5A5872;
  --text-3:#8A88A0;
  --line:#E6E5F0;
  --bg:#F6F6FB;
  --card:#FFFFFF;
  --dark:#14122B;
  --dark-2:#1B1935;
  --radius-s:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow-1:0 1px 2px rgba(28,27,46,.06);
  --shadow-2:0 8px 24px rgba(28,27,46,.08);
  --shadow-3:0 18px 48px rgba(75,63,222,.14);
  --bs-primary:#4B3FDE;
  --bs-body-color:#1C1B2E;
  --bs-body-bg:#F6F6FB;
  --bs-border-color:#E6E5F0;
  --bs-link-color:#4B3FDE;
  --bs-link-hover-color:#2E2699;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease-out}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.01em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{font-size:28px}
.section-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}
.section-more{font-size:14px;font-weight:600;white-space:nowrap}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease-out}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(28,27,46,.08)}
.header-top-inner{display:flex;align-items:center;gap:16px;height:52px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(75,63,222,.28)}
.brand-name{display:block;font-size:16px;font-weight:800;color:var(--text);letter-spacing:.01em;line-height:1.25}
.brand-sub{display:block;font-size:10px;letter-spacing:.18em;color:var(--text-3);line-height:1.2}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{position:relative;display:flex;align-items:center}
.search-box i{position:absolute;left:12px;font-size:13px;color:var(--text-3);pointer-events:none}
.search-box input{width:220px;height:38px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-s);padding:0 12px 0 34px;font-size:14px;transition:border-color .25s,box-shadow .25s}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(75,63,222,.12)}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;border-radius:var(--radius-s);background:var(--coral);color:#fff;font-size:14px;font-weight:700;border:0;transition:transform .25s ease-out,background .25s ease-out,box-shadow .25s ease-out}
.btn-brand:hover{background:var(--coral-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,95,44,.28)}
.icon-btn{width:38px;height:38px;border-radius:var(--radius-s);border:1px solid var(--line);background:#fff;color:var(--text);display:none;place-items:center;cursor:pointer;transition:border-color .25s,color .25s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.nav-row{border-top:1px solid var(--line);max-height:44px;overflow:hidden;transition:max-height .3s ease-out,opacity .25s ease-out}
.is-scrolled .nav-row{max-height:0;opacity:0}
.nav-row-inner{display:flex;align-items:center;gap:24px;height:44px}
.nav-channels{display:flex;align-items:center;gap:24px;flex-shrink:0}
.nav-channels a{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:11px 0;display:inline-block}
.nav-channels a:hover{color:var(--brand);text-decoration:none}
.nav-channels a.active{color:var(--text);font-weight:700}
.nav-channels a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--brand)}
.trend-bar{margin-left:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.trend-bar::-webkit-scrollbar{display:none}
.trend-chip{flex:0 0 auto;font-size:12px;line-height:20px;padding:2px 12px;border-radius:999px;background:var(--brand-light);color:var(--brand-dark);font-weight:600;white-space:nowrap;transition:background .25s,color .25s}
.trend-chip:hover{background:var(--brand);color:#fff;text-decoration:none}
.mobile-search{display:none;border-top:1px solid var(--line);padding:10px 0}
.mobile-search.open{display:block}
.mobile-search input{width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 14px;font-size:14px;background:#fff}
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,43,.45);opacity:0;visibility:hidden;transition:opacity .3s ease-out,visibility .3s;z-index:1040}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:1050;transform:translateX(100%);transition:transform .3s ease-out;overflow-y:auto;padding:20px;box-shadow:-20px 0 48px rgba(20,18,43,.18)}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:14px;font-weight:700;color:var(--text-3);letter-spacing:.08em}
.drawer-close{width:36px;height:36px;border-radius:var(--radius-s);border:1px solid var(--line);background:#fff;cursor:pointer}
.drawer-nav a{display:block;padding:13px 0;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand)}
.drawer-block{margin-top:24px}
.drawer-block h4{font-size:13px;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px;font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}

/* 页面头部 */
.page-hero{position:relative;overflow:hidden;background:#14122B}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.45}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,18,43,.94) 0%,rgba(46,38,153,.78) 55%,rgba(20,18,43,.62) 100%)}
.page-hero-inner{position:relative;z-index:2;padding:44px 0 56px;color:#fff;min-height:240px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.4)}
.page-hero h1{font-size:clamp(30px,4vw,44px);color:#fff;margin-bottom:16px}
.page-hero .lede{max-width:720px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.82)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-meta .pill{font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.88);background:rgba(255,255,255,.08)}
.color-strip{display:flex;height:4px}
.color-strip span{flex:1}
.color-strip span:nth-child(1){background:var(--brand)}
.color-strip span:nth-child(2){background:var(--accent)}
.color-strip span:nth-child(3){background:var(--coral)}

/* 焦点面板 */
.focus-panel{margin-top:-40px;position:relative;z-index:3;background:linear-gradient(135deg,#1B1935,#14122B);border-radius:var(--radius-lg);padding:32px;color:#fff;box-shadow:0 24px 60px rgba(20,18,43,.28);border:1px solid rgba(255,255,255,.1)}
.focus-top{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px}
.focus-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent);padding:4px 12px;border:1px solid rgba(163,230,53,.4);border-radius:999px}
.focus-title{font-size:22px;color:#fff;font-weight:700}
.focus-desc{font-size:15px;color:rgba(255,255,255,.72);max-width:760px;margin-bottom:24px}
.progress-wrap{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.progress-track{flex:1;height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.progress-fill{height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.progress-text{font-size:13px;color:rgba(255,255,255,.7);white-space:nowrap}
.focus-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px}
.focus-stats .stat-num{font-size:28px;font-weight:800;color:#fff;line-height:1.2}
.focus-stats .stat-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

/* 筛选与时间线 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.filter-chip{border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:600;padding:8px 18px;border-radius:999px;cursor:pointer;transition:all .25s ease-out}
.filter-chip:hover{border-color:var(--brand);color:var(--brand)}
.filter-chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(75,63,222,.24)}
.timeline{border-top:1px solid var(--line)}
.event-item{display:grid;grid-template-columns:120px 1fr;gap:28px;padding:28px 0;border-bottom:1px solid var(--line);transition:background .25s ease-out}
.event-item:hover{background:#fff}
.event-item[hidden]{display:none}
.event-date{padding-top:4px}
.event-day{display:block;font-size:40px;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.02em}
.event-month{display:block;font-size:13px;color:var(--text-3);margin-top:6px}
.event-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.event-title{font-size:20px}
.event-desc{font-size:15px;color:var(--text-2);max-width:820px}
.event-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.event-meta span{font-size:13px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px}
.status{font-size:12px;font-weight:700;line-height:20px;padding:0 10px;border-radius:999px;height:20px;display:inline-flex;align-items:center}
.status-live{background:var(--accent-light);color:#3F6B12}
.status-soon{background:var(--brand-light);color:var(--brand-dark)}
.status-past{background:#EFEFF5;color:var(--text-3)}
.empty-note{display:none;padding:40px;text-align:center;color:var(--text-3);font-size:15px}

/* 参与方式 */
.join-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.join-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:transform .3s ease-out,box-shadow .3s ease-out}
.join-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand)}
.join-card:nth-child(2)::before{background:var(--accent)}
.join-card:nth-child(3)::before{background:var(--coral)}
.join-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.join-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--text-3)}
.join-card h3{font-size:19px;margin:10px 0 12px}
.join-card p{font-size:15px;color:var(--text-2)}
.join-card .join-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.join-card .join-tags span{font-size:12px;background:var(--brand-light);color:var(--brand-dark);border-radius:999px;padding:3px 12px;font-weight:600}

/* 相关阅读 */
.rel-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1)}
.rel-item{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:18px;border-bottom:1px solid var(--line);align-items:center}
.rel-item:last-child{border-bottom:0}
.rel-item:hover{background:#FBFAFF}
.rel-thumb{border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:#EEEDF7}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rel-item:hover .rel-thumb img{transform:scale(1.04)}
.rel-body h3{font-size:17px;margin-bottom:8px}
.rel-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-tag{display:inline-block;font-size:12px;color:var(--brand-dark);background:var(--brand-light);border-radius:999px;padding:2px 10px;margin-bottom:10px;font-weight:600}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:border-color .25s ease-out,box-shadow .25s ease-out}
.faq-item.open{border-color:rgba(75,63,222,.4);box-shadow:var(--shadow-2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;text-align:left;padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;position:relative}
.faq-q .faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;font-size:12px;transition:transform .25s ease-out,background .25s ease-out,color .25s ease-out}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--text-2)}

/* CTA 表单 */
.cta-band{background:linear-gradient(135deg,#1B1935,#14122B);border-radius:var(--radius-lg);padding:56px;display:grid;grid-template-columns:5fr 7fr;gap:48px;color:#fff}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:16px}
.cta-band .cta-desc{font-size:15px;color:rgba(255,255,255,.72);margin-bottom:26px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.8);margin-bottom:14px}
.cta-points i{color:var(--accent);margin-top:6px}
.form-card{background:#fff;border-radius:var(--radius);padding:32px;color:var(--text)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-field input,.form-field select,.form-field textarea{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 14px;font-size:15px;background:#fff;transition:border-color .25s,box-shadow .25s}
.form-field textarea{height:100px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-3)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(75,63,222,.12)}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin:4px 0 20px}
.form-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand)}
.btn-submit{width:100%;height:50px;border:0;border-radius:var(--radius-s);background:var(--coral);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:background .25s ease-out,transform .25s ease-out,box-shadow .25s ease-out}
.btn-submit:hover{background:var(--coral-dark);transform:scale(1.01);box-shadow:0 16px 34px rgba(232,95,44,.3)}
.btn-submit:active{transform:scale(1)}
.form-note{font-size:13px;color:var(--text-3);margin-top:12px;text-align:center}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;border-radius:var(--radius-s);border:1px solid var(--brand);color:var(--brand);background:transparent;font-size:15px;font-weight:600;transition:background .25s,color .25s,border-color .25s}
.btn-outline:hover{background:var(--brand-light);border-color:var(--brand-dark);color:var(--brand-dark);text-decoration:none}

/* 页脚 */
.site-footer{background:var(--dark);color:#B9B7CC;padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand:hover{text-decoration:none}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.45)}
.footer-text{font-size:14px;line-height:1.9;color:#B9B7CC;max-width:340px}
.footer-title{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:#B9B7CC}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:14px;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

@media (max-width:1199px){
  .section{padding:72px 0}
}
@media (max-width:991px){
  .nav-row{display:none}
  .search-box{display:none}
  .icon-btn{display:grid}
  .focus-stats{grid-template-columns:repeat(2,1fr)}
  .join-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767px){
  .event-item{grid-template-columns:1fr;gap:14px}
  .event-day{font-size:34px;display:inline-block}
  .event-month{display:inline-block;margin-left:10px;margin-top:0}
  .rel-item{grid-template-columns:1fr;gap:14px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-name{font-size:15px}
  .page-hero-inner{padding:32px 0 48px}
  .focus-panel{padding:24px;margin-top:-24px}
  .cta-band{padding:28px}
  .section-title{font-size:24px}
}
@media (max-width:575px){
  .header-actions .btn-brand{padding:0 14px;font-size:13px}
  .focus-stats{grid-template-columns:1fr 1fr;gap:16px}
  .focus-stats .stat-num{font-size:24px}
  .section{padding:48px 0}
}

/* roulang page: category4 */
:root{
  --primary:#4B3FDE;
  --primary-dark:#2E2699;
  --primary-soft:#EDEBFF;
  --accent:#A3E635;
  --accent-soft:#F0FBD8;
  --hot:#FF7A45;
  --hot-dark:#E85F2C;
  --text:#1C1B2E;
  --text-2:#5A5872;
  --text-3:#8A88A0;
  --border:#E6E5F0;
  --bg:#F6F6FB;
  --card:#FFFFFF;
  --dark:#14122B;
  --dark-2:#1B1935;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:24px;
  --shadow-1:0 1px 2px rgba(28,27,46,.06);
  --shadow-2:0 8px 24px rgba(28,27,46,.08);
  --shadow-3:0 18px 48px rgba(75,63,222,.14);
  --ease:.28s ease-out;
  --bs-primary:#4B3FDE;
  --bs-primary-rgb:75,63,222;
  --bs-link-color:#4B3FDE;
  --bs-link-hover-color:#2E2699;
  --bs-body-color:#1C1B2E;
  --bs-body-bg:#F6F6FB;
  --bs-border-color:#E6E5F0;
  --bs-border-radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{line-height:1.3;letter-spacing:.01em;margin:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:12px 22px;cursor:pointer;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);text-align:center}
.btn-primary-x{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(75,63,222,.22)}
.btn-primary-x:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-3)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary-dark)}
.btn-hot{background:var(--hot);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.24)}
.btn-hot:hover{background:var(--hot-dark);color:#fff;transform:translateY(-1px) scale(1.01);box-shadow:0 16px 36px rgba(255,122,69,.28)}
.btn-light-x{background:#fff;color:var(--text);border-color:var(--border)}
.btn-light-x:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge-x{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary-dark)}
.badge-ok{background:var(--accent-soft);color:#3F6212}
.badge-gray{background:#F1F0F7;color:var(--text-3)}
.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:500;white-space:nowrap;transition:background var(--ease),color var(--ease)}
.chip:hover{background:var(--primary);color:#fff}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow var(--ease),background var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(28,27,46,.08)}
.brand-row{display:flex;align-items:center;gap:24px;padding:14px 0;transition:padding var(--ease)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;box-shadow:0 6px 16px rgba(75,63,222,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.01em}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--text-3);font-weight:600}
.header-search{flex:1 1 auto;display:flex;align-items:center;gap:10px;background:#F3F2FA;border:1px solid transparent;border-radius:999px;padding:0 8px 0 16px;height:42px;max-width:440px;margin-left:auto;transition:border-color var(--ease),background var(--ease)}
.header-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(75,63,222,.12)}
.header-search i{color:var(--text-3);font-size:14px}
.header-search input{flex:1;border:0;background:transparent;height:100%;font-size:14px;color:var(--text);outline:none}
.header-search input::placeholder{color:var(--text-3)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:16px;cursor:pointer;transition:var(--ease)}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.channel-row{display:flex;align-items:center;gap:20px;padding-bottom:10px;border-top:1px solid #F0EFF7;padding-top:10px}
.nav-channels{display:flex;align-items:center;gap:26px;flex:0 0 auto}
.nav-channels a{position:relative;display:inline-block;padding:6px 0 10px;font-size:15px;font-weight:500;color:var(--text-2)}
.nav-channels a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-channels a:hover{color:var(--text)}
.nav-channels a:hover::after{transform:scaleX(1);background:#C9C3F5}
.nav-channels a.active{color:var(--primary-dark);font-weight:700}
.nav-channels a.active::after{transform:scaleX(1)}
.hot-strip{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;margin-left:auto;max-width:100%}
.hot-strip::-webkit-scrollbar{display:none}
.hot-label{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--hot-dark);font-weight:700;white-space:nowrap}
.site-header.is-compact .channel-row{display:none}
.site-header.is-compact .brand-row{padding:9px 0}

/* ============ 移动抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,43,.45);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:1040}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:1050;transform:translateX(102%);transition:transform .3s ease-out;display:flex;flex-direction:column;gap:8px;padding:20px 22px 32px;overflow-y:auto;box-shadow:-20px 0 50px rgba(20,18,43,.18)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--border);background:#fff;color:var(--text-2);cursor:pointer;font-size:15px}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}
.drawer-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin:16px 0 6px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text-2)}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer-search{display:flex;align-items:center;gap:10px;background:#F3F2FA;border-radius:12px;padding:0 14px;height:46px;border:1px solid transparent}
.drawer-search:focus-within{border-color:var(--primary);background:#fff}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-search i{color:var(--text-3)}

/* ============ 页面头部 ============ */
.page-hero{position:relative;min-height:240px;display:flex;align-items:flex-end;background:linear-gradient(115deg,rgba(20,18,43,.90) 0%,rgba(46,38,153,.76) 55%,rgba(20,18,43,.86) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;padding:44px 0 40px}
.page-hero::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary) 0 34%,var(--accent) 34% 67%,var(--hot) 67% 100%)}
.breadcrumb-x{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb-x a{color:rgba(255,255,255,.86)}
.breadcrumb-x a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb-x .sep{opacity:.6}
.page-hero h1{font-size:40px;font-weight:800;color:#fff;letter-spacing:.01em}
.page-hero h1 .h1-sub{display:block;font-size:17px;font-weight:500;color:rgba(255,255,255,.78);margin-top:10px;letter-spacing:.01em}
.hero-desc{max-width:720px;margin-top:16px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82)}

/* ============ 通用板块 ============ */
.section{padding:72px 0 0}
.section:last-of-type{padding-bottom:8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-title{font-size:28px;font-weight:800}
.section-title .accent{color:var(--primary)}
.section-sub{font-size:14px;color:var(--text-3);margin-top:6px}
.section-link{font-size:14px;font-weight:600;color:var(--primary)}
.section-link:hover{text-decoration:underline;text-underline-offset:3px}

/* ============ 搜索区 ============ */
.search-band{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:28px 30px;box-shadow:var(--shadow-1);margin-top:-38px;position:relative;z-index:5}
.search-band h2{font-size:20px;font-weight:800;margin-bottom:6px}
.search-band p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.help-search{display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid var(--border);border-radius:14px;height:56px;padding:0 10px 0 20px;transition:border-color var(--ease),box-shadow var(--ease)}
.help-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(75,63,222,.12)}
.help-search i{color:var(--text-3);font-size:17px}
.help-search input{flex:1;height:100%;border:0;outline:none;font-size:16px;background:transparent;color:var(--text)}
.help-search input::placeholder{color:var(--text-3)}
.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;align-items:center}
.search-tags .label{font-size:13px;color:var(--text-3)}

/* ============ 问题分类卡 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cat-card{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D4F6}
.cat-icon{flex:0 0 auto;width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:21px;transition:background var(--ease),color var(--ease)}
.cat-card:hover .cat-icon{background:var(--primary);color:#fff}
.cat-body h3{font-size:18px;font-weight:700;margin-bottom:6px}
.cat-body p{font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:10px}
.cat-meta{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.cat-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ============ 安全面板（暗区） ============ */
.safety-panel{background:linear-gradient(125deg,var(--dark) 0%,var(--dark-2) 100%);border-radius:var(--r-lg);padding:44px 46px;color:#fff;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;margin-top:64px;position:relative;overflow:hidden}
.safety-panel::before{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(75,63,222,.55),transparent 70%)}
.safety-panel h2{font-size:26px;font-weight:800;color:#fff;margin-bottom:12px;position:relative}
.safety-panel .lead{font-size:15px;line-height:1.85;color:#C7C5DA;margin-bottom:22px;position:relative}
.safety-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.75;color:#D9D7E8;padding:9px 0}
.safety-list i{color:var(--accent);font-size:15px;margin-top:4px}
.status-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:22px 22px 10px;position:relative}
.status-box h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.status-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.10);font-size:14px;color:#C7C5DA}
.status-row:last-child{border-bottom:0}
.status-row .rdot{width:8px;height:8px;border-radius:50%;background:var(--hot);box-shadow:0 0 0 0 rgba(255,122,69,.7);animation:pulse 2.2s infinite;flex:0 0 auto}
.status-row .gdot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.status-row .name{flex:1}
.status-row .tag{font-size:12px;font-weight:600;color:#B9B7CC}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,122,69,.55)}70%{box-shadow:0 0 0 9px rgba(255,122,69,0)}100%{box-shadow:0 0 0 0 rgba(255,122,69,0)}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.help-accordion .accordion-item{border:1px solid var(--border);border-radius:12px;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1)}
.help-accordion .accordion-button{font-size:16px;font-weight:600;color:var(--text);background:#fff;padding:18px 22px;box-shadow:none;border-left:3px solid transparent;line-height:1.6;transition:background var(--ease),color var(--ease),border-color var(--ease)}
.help-accordion .accordion-button:not(.collapsed){color:var(--primary-dark);background:var(--primary-soft);border-left-color:var(--primary)}
.help-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;border-left-color:var(--primary)}
.help-accordion .accordion-button::after{background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;width:auto;height:auto;display:flex;align-items:center;justify-content:center;color:var(--primary);transition:transform var(--ease)}
.help-accordion .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg)}
.help-accordion .accordion-body{padding:16px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);border-top:1px solid #F0EFF7}
.help-accordion .accordion-body strong{color:var(--text)}

/* ============ 相关阅读 ============ */
.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{display:flex;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:14px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.related-thumb{flex:0 0 104px;width:104px;height:76px;border-radius:12px;overflow:hidden;background:#EEEDF7}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body h3{font-size:15px;font-weight:700;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body span{font-size:12.5px;color:var(--text-3)}

/* ============ CTA 条 ============ */
.cta-band{margin-top:64px;background:var(--primary-soft);border:1px solid #DDD9FF;border-radius:var(--r-lg);padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:800;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--text-2);margin:0;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9B7CC;margin-top:88px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-sub{color:#8A88A0;font-size:10px;letter-spacing:.16em}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.15}
.footer-text{font-size:13.5px;line-height:1.85;color:#9E9CB4;max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9B7CC}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:#B9B7CC}
.footer-contact i{color:var(--primary);margin-top:4px}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8A88A0}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:34px}
  .safety-panel{padding:38px 32px;gap:32px}
}
@media (max-width:991px){
  .header-search{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .channel-row{display:none}
  .header-actions{margin-left:auto}
  .section{padding:56px 0 0}
  .safety-panel{grid-template-columns:1fr}
  .related-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container-xl{padding:0 18px}
  .page-hero{min-height:220px;padding:34px 0 30px}
  .page-hero h1{font-size:28px}
  .page-hero h1 .h1-sub{font-size:15px}
  .hero-desc{font-size:14px}
  .section-title{font-size:23px}
  .cat-grid{grid-template-columns:1fr}
  .search-band{padding:22px 18px;margin-top:-26px}
  .help-search{height:52px}
  .safety-panel{padding:30px 22px;margin-top:48px}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .related-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{margin-top:64px;padding:48px 0 24px}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .header-cta{width:auto}
  .status-row{font-size:13px}
}