/* roulang page: index */
:root{
  --brand:#2E6C8E;
  --brand-dark:#1D4E68;
  --brand-deep:#12303F;
  --brand-soft:#E8F1F6;
  --brand-mist:#F2F7FA;
  --accent:#E1844A;
  --ink:#1B2A33;
  --ink-2:#5A6B76;
  --ink-3:#8496A1;
  --line:#E2E8ED;
  --line-soft:#EEF2F5;
  --bg:#F7F9FB;
  --card:#FFFFFF;
  --err:#C4493B;
  --ok:#2E8B6F;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(23,58,80,.06), 0 12px 28px -12px rgba(23,58,80,.12);
  --sh-2:0 4px 12px rgba(23,58,80,.08), 0 20px 40px -16px rgba(23,58,80,.18);
  --ease:200ms ease-out;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-dark);text-decoration:underline;}
h1,h2,h3,h4,h5{margin:0;font-weight:600;color:var(--brand-dark);line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){ .container{max-width:1280px;} }

/* ---------- 通用按钮 ---------- */
.btn-brand,.btn-line,.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--ease);text-decoration:none;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 18px -8px rgba(46,108,142,.7);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);text-decoration:none;box-shadow:0 10px 24px -10px rgba(29,78,104,.8);}
.btn-brand:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px -8px rgba(225,132,74,.75);}
.btn-accent:hover{background:#cf7139;color:#fff;transform:translateY(-2px);text-decoration:none;}
.btn-accent:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--brand-dark);border-color:#C7D6E0;}
.btn-line:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px);text-decoration:none;}
.btn-ghost{background:transparent;color:var(--brand);padding:0 8px;min-height:40px;}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline;}
.btn-block{width:100%;}
.btn-brand[disabled],.btn-line[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:500;line-height:1.6;
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-sm);
  background:rgba(225,132,74,.12);color:#B4662F;
  font-size:13px;font-weight:600;line-height:1.6;
}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--ink-2);font-size:14px;font-weight:500;
  cursor:pointer;transition:all var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(27,42,51,.06);
  box-shadow:0 6px 24px -16px rgba(23,58,80,.5);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:none;backdrop-filter:none;
  border-bottom-color:var(--line);
  box-shadow:0 8px 28px -18px rgba(23,58,80,.55);
}
.site-nav{height:72px;display:flex;align-items:center;flex-wrap:nowrap;}
.site-logo{display:flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 6px 14px -8px rgba(29,78,104,.9);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--brand-dark);white-space:nowrap;}
.site-logo:hover{text-decoration:none;}
.nav-list{display:flex;align-items:center;gap:6px;margin:0;}
.nav-list .nav-link{
  display:block;padding:9px 15px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink);transition:all var(--ease);
}
.nav-list .nav-link:hover{color:var(--brand);background:rgba(46,108,142,.08);text-decoration:none;}
.nav-list .nav-link.is-active{color:var(--brand-dark);font-weight:600;background:rgba(46,108,142,.1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:15px;cursor:pointer;transition:all var(--ease);
}
.nav-search:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm-nav{min-height:42px;padding:0 20px;font-size:15px;}
.nav-burger{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--brand-dark);font-size:18px;
}
.nav-burger:hover{border-color:var(--brand);color:var(--brand);}
.nav-desktop{display:flex;align-items:center;flex:1 1 auto;}
@media (max-width:991.98px){
  .nav-desktop{display:none;}
  .site-nav{justify-content:space-between;height:64px;}
  .logo-text{font-size:18px;}
}
.drawer-nav{width:320px;border-left:1px solid var(--line);}
.drawer-nav .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 22px;}
.drawer-nav .offcanvas-body{padding:12px 22px 22px;display:flex;flex-direction:column;}
.drawer-list{margin:0;}
.drawer-list li{border-bottom:1px solid var(--line-soft);}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 2px;font-size:16px;font-weight:500;color:var(--ink);
}
.drawer-list a:hover,.drawer-list a.is-active{color:var(--brand);text-decoration:none;}
.drawer-list a.is-active{font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:22px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:150px 0 84px;
  min-height:620px;display:flex;align-items:center;
  background:var(--brand-mist);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(242,247,250,.96) 0%,rgba(242,247,250,.82) 44%,rgba(232,241,246,.42) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-panel{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(46,108,142,.14);
  border-radius:var(--r-lg);
  padding:38px 36px;box-shadow:var(--sh-1);
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--brand);margin-bottom:16px;
}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}
.hero-title{font-size:clamp(28px,3.4vw,44px);line-height:1.24;font-weight:700;letter-spacing:-.01em;}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:34px;padding-top:26px;
  border-top:1px solid rgba(46,108,142,.16);
}
.hero-stats .stat-num{font-size:28px;font-weight:600;color:var(--brand-dark);line-height:1.2;}
.hero-stats .stat-lab{font-size:13px;color:var(--ink-2);margin-top:2px;}
.hero-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid rgba(0,0,0,.04);}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
@media (max-width:991.98px){
  .hero{padding:120px 0 64px;min-height:480px;}
  .hero-panel{padding:28px 22px;}
  .hero-stats{gap:26px;}
}
@media (max-width:575.98px){
  .hero-actions .btn-brand,.hero-actions .btn-line{width:100%;}
  .hero-stats .stat-num{font-size:24px;}
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-mist{background:var(--brand-mist);}
.sec-head{margin-bottom:44px;}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);padding:5px 14px;border-radius:var(--r-sm);margin-bottom:14px;
}
.sec-title{font-size:clamp(22px,2.6vw,34px);line-height:1.3;}
.sec-desc{margin-top:14px;font-size:16px;color:var(--ink-2);max-width:720px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
@media (max-width:767.98px){ .section{padding:52px 0;} .sec-head{margin-bottom:30px;} }

/* ---------- 核心亮点（4:8 错位卡） ---------- */
.hl-side{position:relative;}
.hl-side h2{font-size:clamp(22px,2.4vw,32px);}
.hl-side p{margin-top:16px;color:var(--ink-2);font-size:15px;}
.hl-note{margin-top:26px;padding:16px 18px;border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:14px;color:var(--brand-dark);}
.hl-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.hl-card{
  background:var(--card);border:1px solid #E6EBEF;border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.hl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5E3EC;}
.hl-card.offset{margin-top:34px;}
.hl-ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:19px;margin-bottom:16px;
}
.hl-card h3{font-size:19px;margin-bottom:10px;}
.hl-card p{font-size:15px;color:var(--ink-2);}
.hl-card .hl-tag{display:inline-block;margin-top:16px;font-size:13px;color:var(--brand);}
@media (max-width:991.98px){ .hl-card.offset{margin-top:0;} }
@media (max-width:575.98px){ .hl-grid{grid-template-columns:1fr;} }

/* ---------- 议程时间线 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:150px;top:8px;bottom:8px;width:2px;
  background:rgba(46,108,142,.2);
}
.tl-item{display:grid;grid-template-columns:130px 1fr;gap:44px;position:relative;padding:22px 0 22px 62px;}
.tl-item::before{
  content:"";position:absolute;left:144px;top:32px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);z-index:2;
}
.tl-item.is-now::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 8px rgba(225,132,74,.16);}
.tl-time{text-align:right;font-size:13px;color:var(--ink-2);line-height:1.7;padding-top:4px;}
.tl-time strong{display:block;font-size:15px;font-weight:600;color:var(--brand-dark);}
.tl-body h3{font-size:20px;margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--ink-2);}
.tl-speaker{display:flex;align-items:center;gap:10px;margin-top:14px;}
.tl-speaker img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid rgba(0,0,0,.05);}
.tl-speaker span{font-size:13px;color:var(--ink-2);}
@media (max-width:767.98px){
  .timeline::before{left:5px;}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:18px 0 18px 30px;}
  .tl-item::before{left:0;top:22px;}
  .tl-time{text-align:left;padding-top:0;}
}

/* ---------- 嘉宾横向卡 ---------- */
.spk-track{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.spk-card{
  background:#fff;border:1px solid #E6EBEF;border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:all var(--ease);
}
.spk-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.spk-card .spk-img{overflow:hidden;}
.spk-card .spk-img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--ease);}
.spk-card:hover .spk-img img{transform:scale(1.02);}
.spk-body{padding:18px 18px 20px;}
.spk-body h3{font-size:17px;margin-bottom:6px;}
.spk-body .spk-org{font-size:13px;color:var(--brand);margin-bottom:10px;}
.spk-body p{font-size:14px;color:var(--ink-2);line-height:1.7;}
@media (max-width:1199.98px){ .spk-track{grid-template-columns:1fr 1fr;} }
@media (max-width:991.98px){
  .spk-track{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:10px;}
  .spk-track .spk-card{flex:0 0 76%;scroll-snap-align:start;}
}

/* ---------- 票种对比 ---------- */
.ticket-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid #E6EBEF;border-radius:var(--r-md);
  padding:30px 26px;box-shadow:var(--sh-1);position:relative;transition:all var(--ease);
}
.ticket-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.ticket-card.is-best{border:2px solid var(--brand);transform:scale(1.015);}
.ticket-card.is-best:hover{transform:scale(1.015) translateY(-3px);}
.ticket-best{
  position:absolute;top:-14px;left:26px;
  background:var(--accent);color:#fff;font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:var(--r-sm);
}
.ticket-card h3{font-size:20px;}
.ticket-price{margin:16px 0 6px;font-size:32px;font-weight:700;color:var(--brand-dark);line-height:1.1;}
.ticket-price small{font-size:13px;font-weight:400;color:var(--ink-2);margin-left:4px;}
.ticket-cycle{font-size:13px;color:var(--ink-2);margin-bottom:20px;}
.ticket-list{border-top:1px solid var(--line-soft);padding-top:18px;margin-bottom:26px;}
.ticket-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);padding:7px 0;}
.ticket-list li i{color:var(--ok);font-size:14px;margin-top:5px;}
.ticket-card .btn-brand,.ticket-card .btn-line{margin-top:auto;}
@media (max-width:991.98px){
  .ticket-card.is-best{order:-1;transform:none;}
  .ticket-card.is-best:hover{transform:translateY(-3px);}
}

/* ---------- 资讯列表（CMS） ---------- */
.news-lead{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:22px;}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid #E6EBEF;
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:all var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-card .news-img{overflow:hidden;background:var(--brand-mist);}
.news-card .news-img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--ease);}
.news-card:hover .news-img img{transform:scale(1.02);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{font-size:17px;line-height:1.5;margin:12px 0 10px;}
.news-body h3 a{color:var(--brand-dark);}
.news-body h3 a:hover{color:var(--brand);text-decoration:none;}
.news-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--ink-3);
}
.news-meta .news-date{display:inline-flex;align-items:center;gap:6px;}
.news-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.news-more:hover{text-decoration:none;color:var(--brand-dark);}
.news-card.is-lead{flex-direction:row;}
.news-card.is-lead .news-img{flex:0 0 46%;}
.news-card.is-lead .news-img img{height:100%;aspect-ratio:auto;min-height:230px;}
.news-card.is-lead .news-body{padding:26px;}
.news-card.is-lead .news-body h3{font-size:20px;}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-md);
}
.empty-state i{font-size:48px;color:rgba(46,108,142,.4);}
.empty-state h3{font-size:17px;font-weight:500;margin:18px 0 8px;}
.empty-state p{font-size:14px;color:var(--ink-2);}
.empty-state .btn-line{margin-top:22px;}
@media (max-width:1199.98px){ .news-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:991.98px){
  .news-lead{grid-template-columns:1fr;}
  .news-card.is-lead{flex-direction:column;}
  .news-card.is-lead .news-img{flex:none;}
  .news-card.is-lead .news-img img{aspect-ratio:4/3;min-height:0;height:auto;}
}
@media (max-width:575.98px){ .news-grid{grid-template-columns:1fr;} }

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{background:#fff;border:1px solid #E6EBEF;border-radius:var(--r-md);padding:28px 26px;box-shadow:var(--sh-1);}
.quote-card p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft);}
.quote-who img{width:44px;height:44px;border-radius:50%;object-fit:cover;}
.quote-who .qw-name{font-size:15px;font-weight:600;color:var(--brand-dark);}
.quote-who .qw-org{font-size:13px;color:var(--ink-3);}
@media (max-width:991.98px){ .quote-grid{grid-template-columns:1fr;} }

/* ---------- FAQ ---------- */
.accordion.faq-acc .accordion-item{
  border:1px solid #E6EBEF;border-radius:12px;background:#fff;
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
}
.accordion.faq-acc .accordion-button{
  background:#fff;color:var(--brand-dark);font-size:16px;font-weight:500;
  padding:18px 22px;box-shadow:none;border-radius:12px;line-height:1.6;
}
.accordion.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-mist);}
.accordion.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.accordion.faq-acc .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--ink-3);width:auto;height:auto;transform:rotate(0deg);
  transition:transform var(--ease);margin-left:auto;
}
.accordion.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
.accordion.faq-acc .accordion-body{
  padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;background:var(--brand-mist);
}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:var(--brand-deep);color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(46,108,142,.35);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,32px);position:relative;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:14px;position:relative;}
.cta-contact{position:relative;margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-contact div{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.9);}
.cta-contact i{width:20px;color:var(--accent);}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:30px 28px;box-shadow:var(--sh-2);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:14px;color:var(--ink-2);margin-bottom:22px;}
.form-label{font-size:14px;font-weight:500;color:var(--brand-dark);margin-bottom:8px;}
.form-control,.form-select{
  border:1px solid #DCE3E9;border-radius:var(--r-sm);
  padding:12px 16px;font-size:15px;color:var(--ink);background:#fff;
  transition:all var(--ease);min-height:48px;
}
.form-control::placeholder{color:#A9B7C0;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(46,108,142,.12);outline:none;
}
textarea.form-control{min-height:104px;line-height:1.7;}
.form-check-input{width:18px;height:18px;border-color:#C7D2DA;margin-top:4px;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(46,108,142,.12);border-color:var(--brand);}
.form-check-label{font-size:14px;color:var(--ink-2);}
.form-note{font-size:13px;color:var(--ink-3);margin-top:14px;text-align:center;}
@media (max-width:575.98px){ .cta-band{padding:34px 22px;} .form-card{padding:22px 18px;} }

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:66px 0 0;margin-top:0;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.foot-brand .logo-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.foot-brand span{font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.foot-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.foot-contact div{display:flex;align-items:center;gap:10px;font-size:14px;}
.foot-contact i{width:18px;color:var(--accent);}
.foot-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:18px;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.7);}
.foot-links a:hover{color:#fff;text-decoration:none;}
.qr-box{
  width:96px;height:96px;border-radius:12px;background:#fff;padding:8px;
  display:flex;align-items:center;justify-content:center;
}
.qr-box img{width:100%;height:100%;object-fit:contain;border-radius:6px;}
.qr-cap{font-size:13px;margin-top:10px;color:rgba(255,255,255,.6);}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom span{font-size:13px;color:rgba(255,255,255,.55);}
.to-top{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:15px;cursor:pointer;transition:all var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45);}
@media (max-width:991.98px){ .foot-col{margin-bottom:32px;} }

/* roulang page: article */
:root{
  --brand:#2E6C8E;
  --brand-dark:#1D4E68;
  --brand-deep:#12303F;
  --brand-light:#E8F1F6;
  --brand-soft:#F2F7FA;
  --accent:#E1844A;
  --ink:#1B2A33;
  --ink-2:#5A6B76;
  --line:#E2E8ED;
  --line-soft:#EEF2F5;
  --bg:#F7F9FB;
  --card:#FFFFFF;
  --danger:#C4493B;
  --success:#2E8B6F;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:10px;
  --radius-xs:6px;
  --shadow-1:0 2px 6px rgba(23,58,80,.06),0 12px 28px -12px rgba(23,58,80,.12);
  --shadow-2:0 4px 12px rgba(23,58,80,.08),0 22px 44px -18px rgba(23,58,80,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;outline:1px solid rgba(0,0,0,.04);outline-offset:-1px}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark);text-decoration:underline}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--brand-dark);padding:10px 16px;border-radius:0 0 10px 0;z-index:2000}
.skip-link:focus{left:0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{text-decoration:none}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 24px -14px rgba(46,108,142,.95)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(29,78,104,.85)}
.btn-brand:active{transform:translateY(0);background:#194158;box-shadow:none}
.btn-outline-brand{background:transparent;color:var(--brand-dark);border-color:#C9D8E1}
.btn-outline-brand:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm-nav{min-height:40px;padding:0 18px;font-size:14px}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}
.btn-block{width:100%}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px) saturate(1.35);
  border-bottom:1px solid rgba(27,42,51,.06);
  transition:box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{background:#fff;backdrop-filter:none;border-bottom-color:var(--line);box-shadow:0 6px 24px -16px rgba(23,58,80,.34)}
.site-nav{height:72px;display:flex;align-items:center;gap:18px;flex-wrap:nowrap}
.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--brand-dark);flex:0 0 auto}
.site-logo:hover{text-decoration:none;color:var(--brand-dark)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,#3C81A8,#1D4E68);color:#fff;flex:0 0 auto;
}
.logo-mark svg{width:21px;height:21px}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:14px;flex:1 1 auto;min-width:0}
.nav-list{display:flex;flex-direction:row;align-items:center;gap:4px}
.nav-list .nav-link{
  display:block;font-size:15px;font-weight:500;color:var(--ink);
  padding:9px 14px;border-radius:var(--radius-sm);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-list .nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.nav-list .nav-link.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.nav-search{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.nav-search:hover{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-soft)}
.nav-burger{
  width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;
  color:var(--brand-dark);display:grid;place-items:center;cursor:pointer;margin-left:auto;font-size:17px;
}
.nav-drawer{max-width:320px;border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 20px}
.nav-drawer .offcanvas-title{font-size:17px;font-weight:700;color:var(--brand-dark)}
.drawer-list{display:flex;flex-direction:column;margin-bottom:20px}
.drawer-list a{
  display:block;padding:14px 4px;font-size:16px;color:var(--ink);font-weight:500;
  border-bottom:1px solid var(--line-soft);
}
.drawer-list a:hover{color:var(--brand-dark);text-decoration:none}
.drawer-list a.is-active{color:var(--brand-dark);font-weight:600}
@media (max-width:991.98px){
  .site-nav{height:64px}
  .nav-desktop{display:none}
  .logo-text{font-size:17px}
}

/* ===== 面包屑 ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line-soft);padding:16px 0}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.crumb-list a{color:var(--ink-2)}
.crumb-list a:hover{color:var(--brand)}
.crumb-list .sep{color:#B9C6CF}
.crumb-list .current{
  color:var(--ink);max-width:min(520px,62vw);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ===== 文章头部 ===== */
.article-wrap{padding:52px 0 84px}
.article-head{margin-bottom:26px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--radius-xs);
  background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-title{
  font-size:clamp(28px,3.6vw,44px);line-height:1.28;font-weight:700;color:var(--brand-deep);
  margin:16px 0 18px;letter-spacing:.01em;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--ink-2)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:#9AAEB9}
.article-cover{margin:26px 0 34px;overflow:hidden;border-radius:var(--radius)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius)}

/* ===== 正文排版 ===== */
.article-body{
  max-width:820px;font-size:17px;line-height:1.9;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 44px;box-shadow:var(--shadow-1);
}
.article-body p{margin:0 0 1.2em}
.article-body > *:last-child{margin-bottom:0}
.article-body h2{
  font-size:23px;line-height:1.45;font-weight:600;color:var(--brand-deep);
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--brand-deep);margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.4em 0 .5em}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(46,108,142,.35)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);text-decoration:none}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body ul li,.article-body ol li{position:relative;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal;padding-left:1.6em}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.8em auto;border-radius:12px}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--ink-2);margin-top:10px}
.article-body pre{
  background:#F4F7F9;border:1px solid var(--line);border-radius:12px;padding:18px;
  overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
.article-body code{
  background:#F4F7F9;border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
.article-body pre code{background:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}

/* ===== 空态 ===== */
.empty-state{text-align:center;padding:44px 16px}
.empty-state i{font-size:48px;color:rgba(46,108,142,.4);line-height:1;display:block;margin-bottom:18px}
.empty-state h2{font-size:18px;font-weight:600;color:var(--ink);border:none;padding:0;margin:0 0 8px}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin:0 0 22px}
.empty-state .btn{min-width:150px}

/* ===== 标签 ===== */
.tag-block{margin:34px 0 0}
.tag-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.tag-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);
  transition:all .2s var(--ease);
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);text-decoration:none}

/* ===== 通用板块标题 ===== */
.block{margin-top:56px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.block-title{font-size:22px;font-weight:600;color:var(--brand-deep);line-height:1.4}
.block-title small{display:block;font-size:13px;font-weight:400;color:var(--ink-2);margin-top:6px;letter-spacing:.01em}
.link-more{font-size:14px;font-weight:500;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--brand-dark);text-decoration:none;gap:9px}
.link-more i{transition:transform .2s var(--ease)}

/* ===== 继续浏览（上下篇） ===== */
.nextprev-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.nextprev-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.nextprev-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CFDDE6;text-decoration:none}
.nextprev-label{font-size:12.5px;letter-spacing:.06em;color:var(--ink-2);display:flex;align-items:center;gap:8px;margin-bottom:10px}
.nextprev-label i{color:var(--brand)}
.nextprev-title{font-size:17px;font-weight:600;color:var(--brand-deep);line-height:1.5;margin-bottom:8px}
.nextprev-desc{font-size:14px;color:var(--ink-2);line-height:1.7}
.nextprev-card.is-next{text-align:right}
.nextprev-card.is-next .nextprev-label{justify-content:flex-end}
@media (max-width:767.98px){
  .nextprev-grid{grid-template-columns:1fr}
  .nextprev-card.is-next{text-align:left}
  .nextprev-card.is-next .nextprev-label{justify-content:flex-start}
}

/* ===== 推荐卡片 ===== */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rec-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDDE6;text-decoration:none}
.rec-thumb{overflow:hidden}
.rec-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;outline:none;transition:transform .3s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.02)}
.rec-body{padding:20px 22px 24px}
.rec-cat{font-size:12px;font-weight:600;color:var(--brand-dark);background:var(--brand-light);border-radius:var(--radius-xs);padding:3px 9px;display:inline-block;margin-bottom:10px}
.rec-title{font-size:17px;font-weight:600;color:var(--brand-deep);line-height:1.5;margin-bottom:8px}
.rec-desc{
  font-size:14px;color:var(--ink-2);line-height:1.72;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-meta{font-size:13px;color:#93A5B0;display:flex;align-items:center;gap:7px}
@media (max-width:991.98px){.rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.rec-grid{grid-template-columns:1fr}}

/* ===== 侧栏 ===== */
.side-col{position:relative}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 24px;box-shadow:var(--shadow-1)}
.side-title{font-size:15px;font-weight:600;color:var(--brand-deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line-soft);padding-left:0}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);padding:8px 12px 8px 16px;margin-left:-2px;
  border-left:2px solid transparent;transition:all .2s var(--ease);
}
.toc-list a:hover,.toc-list a.is-current{color:var(--brand-dark);border-left-color:var(--brand);background:var(--brand-soft);text-decoration:none}
.hot-list li + li{border-top:1px dashed var(--line)}
.hot-list a{display:flex;gap:12px;padding:13px 0;align-items:flex-start}
.hot-list a:hover{text-decoration:none}
.hot-num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.hot-list a:hover .hot-num{background:var(--brand);color:#fff}
.hot-text{font-size:14px;color:var(--ink);line-height:1.6}
.hot-list a:hover .hot-text{color:var(--brand-dark)}
.side-cta{background:var(--brand-deep);border-color:var(--brand-deep);text-align:left}
.side-cta .side-title{color:#fff}
.side-cta .side-title::before{background:var(--accent)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;margin-bottom:18px}
.side-cta .btn{width:100%}
.side-cta .btn-outline-brand{color:#fff;border-color:rgba(255,255,255,.4)}
.side-cta .btn-outline-brand:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.side-foot-note{font-size:12.5px;color:var(--ink-2);line-height:1.7;text-align:center}

/* ===== 返回入口 ===== */
.back-bar{
  margin-top:56px;padding:26px 30px;border-radius:var(--radius);
  background:var(--brand-soft);border:1px solid #DCE9F1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.back-bar p{font-size:14.5px;color:var(--ink-2);max-width:560px;line-height:1.75}
.back-bar strong{display:block;font-size:17px;color:var(--brand-deep);font-weight:600;margin-bottom:6px}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.76);padding:64px 0 0;margin-top:80px}
.foot-col{margin-bottom:34px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;letter-spacing:.02em;margin-bottom:16px}
.foot-brand .logo-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.14);color:#fff}
.foot-brand .logo-mark svg{width:19px;height:19px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin-bottom:18px}
.foot-contact div{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.76);margin-bottom:10px}
.foot-contact i{color:rgba(255,255,255,.5);width:16px;text-align:center}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72)}
.foot-links a:hover{color:#fff;text-decoration:none}
.qr-box{width:96px;height:96px;background:#fff;border-radius:12px;padding:6px;margin-bottom:10px}
.qr-box img{width:100%;height:100%;object-fit:cover;border-radius:8px;outline:none}
.qr-cap{font-size:13px;color:rgba(255,255,255,.66);line-height:1.6}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;margin-top:14px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom span{font-size:13px;color:rgba(255,255,255,.6)}
.to-top{
  width:42px;height:42px;border-radius:11px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .side-col{display:none}
}
@media (max-width:991.98px){
  .article-wrap{padding:36px 0 64px}
  .article-body{padding:32px 26px;font-size:16.5px;line-height:1.88}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .block{margin-top:44px}
  .site-footer{padding-top:48px;margin-top:60px}
}
@media (max-width:575.98px){
  .article-title{font-size:27px}
  .article-body{padding:26px 18px;border-radius:var(--radius)}
  .article-meta{gap:8px 16px;font-size:13px}
  .btn{min-height:44px;width:100%}
  .btn-sm-nav{width:auto}
  .link-more{font-size:13.5px}
  .back-bar{padding:22px 20px}
}

/* roulang page: category1 */
:root{
  --brand:#2E6C8E;
  --brand-dark:#1D4E68;
  --brand-deep:#12303F;
  --brand-light:#E8F1F6;
  --brand-lighter:#F2F7FA;
  --accent:#E1844A;
  --accent-soft:#FBEDE2;
  --text:#1B2A33;
  --muted:#5A6B76;
  --line:#E2E8ED;
  --line-soft:#EEF2F5;
  --bg:#F7F9FB;
  --card:#FFFFFF;
  --err:#C4493B;
  --ok:#2E8B6F;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 2px 6px rgba(23,58,80,.06);
  --sh-2:0 12px 28px -12px rgba(23,58,80,.12);
  --sh-3:0 18px 38px -14px rgba(23,58,80,.2);
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-dark);text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--brand-dark);font-weight:600;letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
section{position:relative;}
.sec-pad{padding:88px 0;}
@media (max-width:991px){.sec-pad{padding:56px 0;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(27,42,51,.06);
  box-shadow:0 6px 24px -16px rgba(23,58,80,.45);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-bottom-color:var(--line);
  box-shadow:0 10px 26px -20px rgba(23,58,80,.55);
}
.site-nav{height:72px;display:flex;align-items:center;justify-content:space-between;}
.site-logo{display:flex;align-items:center;gap:10px;padding:0;text-decoration:none !important;}
.site-logo .logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(29,78,104,.8);
}
.site-logo .logo-mark svg{width:21px;height:21px;}
.site-logo .logo-text{
  font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--brand-dark);
}
.nav-desktop{display:flex;align-items:center;flex:1;justify-content:space-between;gap:18px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-list .nav-link{
  padding:8px 14px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:500;color:var(--text);
  transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-list .nav-link:hover{color:var(--brand);background:rgba(46,108,142,.07);text-decoration:none;}
.nav-list .nav-link.is-active{color:var(--brand);font-weight:600;background:rgba(46,108,142,.11);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.7);
  color:var(--brand-dark);display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--ease);cursor:pointer;
}
.nav-search:hover{background:var(--brand-light);border-color:#CFE0EA;color:var(--brand);}
.nav-burger{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(255,255,255,.8);
  color:var(--brand-dark);font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff !important;
  border:1px solid transparent;border-radius:var(--r-sm);
  padding:11px 22px;font-size:15px;font-weight:600;
  box-shadow:0 10px 20px -12px rgba(46,108,142,.75);
  transition:all var(--ease);text-decoration:none !important;cursor:pointer;
}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(29,78,104,.8);}
.btn-brand:active{transform:translateY(0);}
.btn-sm-nav{padding:9px 18px;font-size:14.5px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.75);color:var(--brand-dark) !important;
  border:1px solid #CFE0EA;border-radius:var(--r-sm);
  padding:11px 22px;font-size:15px;font-weight:600;
  transition:all var(--ease);text-decoration:none !important;
}
.btn-ghost:hover{background:#fff;border-color:var(--brand);color:var(--brand) !important;transform:translateY(-2px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff !important;
  border:1px solid transparent;border-radius:var(--r-sm);
  padding:12px 26px;font-size:15px;font-weight:600;
  box-shadow:0 12px 24px -14px rgba(225,132,74,.9);
  transition:all var(--ease);text-decoration:none !important;
}
.btn-accent:hover{background:#CE7339;transform:translateY(-2px);}

/* 抽屉 */
.offcanvas.drawer{width:320px;border:0;box-shadow:-18px 0 40px -20px rgba(23,58,80,.35);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line-soft);}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--brand-dark);font-size:17px;}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);}
.drawer-list{padding:10px 0;flex:1;overflow-y:auto;}
.drawer-list a{
  display:block;padding:14px 22px;font-size:16px;color:var(--text);font-weight:500;
  border-bottom:1px solid var(--line-soft);text-decoration:none !important;
}
.drawer-list a:hover,.drawer-list a.is-active{color:var(--brand);background:var(--brand-lighter);}
.drawer-foot{padding:18px 22px;border-top:1px solid var(--line-soft);}
.drawer-foot .btn-brand{width:100%;}

/* ============ 分类页横幅 ============ */
.page-banner{
  padding:150px 0 56px;
  min-height:280px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(29,78,104,.9) 0%,rgba(29,78,104,.68) 48%,rgba(46,108,142,.42) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-banner .crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:16px;
}
.page-banner .crumb a{color:rgba(255,255,255,.9);text-decoration:none;}
.page-banner .crumb a:hover{color:#fff;text-decoration:underline;}
.page-banner .crumb i{font-size:10px;opacity:.7;}
.page-banner h1{
  color:#fff;font-size:46px;line-height:1.2;font-weight:700;letter-spacing:.01em;
  margin-bottom:16px;
}
.page-banner .banner-sub{
  max-width:640px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);margin:0;
}
@media (max-width:991px){
  .page-banner{padding:120px 0 44px;min-height:240px;}
  .page-banner h1{font-size:32px;}
}
@media (max-width:575px){
  .page-banner h1{font-size:27px;}
  .page-banner .banner-sub{font-size:15px;}
}

/* ============ 主区 ============ */
.main-wrap{padding:72px 0 88px;background:var(--bg);}
@media (max-width:991px){.main-wrap{padding:44px 0 56px;}}

/* 粘性引导 */
.side-index{
  position:sticky;top:104px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);
}
.side-index .side-title{
  font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.08em;margin-bottom:14px;
}
.side-index ul li a{
  display:flex;align-items:center;gap:10px;
  padding:11px 10px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text);font-weight:500;text-decoration:none !important;
  transition:all var(--ease);
}
.side-index ul li a:hover{background:var(--brand-lighter);color:var(--brand);}
.side-index ul li a .idx{
  font-size:12px;font-weight:700;color:var(--brand);
  background:var(--brand-light);border-radius:6px;
  width:26px;height:24px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 26px;
}
.side-index .side-help{
  margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);
}
.side-index .side-help p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:12px;}
.side-index .side-help a{font-size:14px;font-weight:600;}
@media (max-width:991px){
  .side-index{position:static;margin-bottom:26px;}
  .side-index ul{display:flex;overflow-x:auto;gap:8px;padding-bottom:4px;}
  .side-index ul li{flex:0 0 auto;}
  .side-index ul li a{white-space:nowrap;background:var(--brand-lighter);}
  .side-index .side-help{display:none;}
}

/* 分组标题 */
.group-block{padding-bottom:46px;margin-bottom:46px;border-bottom:1px solid var(--line);}
.group-block:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:8px;}
.group-title{
  display:flex;align-items:center;gap:14px;
  font-size:30px;line-height:1.3;font-weight:600;color:var(--brand-dark);
  margin-bottom:12px;scroll-margin-top:110px;
}
.group-title .group-no{
  flex:0 0 auto;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-light);
  padding:5px 11px;border-radius:6px;
}
.group-desc{font-size:15.5px;color:var(--muted);max-width:760px;margin-bottom:26px;}
@media (max-width:767px){
  .group-title{font-size:23px;gap:10px;}
  .group-block{padding-bottom:32px;margin-bottom:32px;}
}

/* 横向条目 */
.flow-row{
  display:flex;gap:24px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  margin-bottom:18px;
}
.flow-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE0EA;}
.flow-thumb{
  flex:0 0 160px;width:160px;border-radius:12px;overflow:hidden;
  aspect-ratio:4/3;background:var(--brand-lighter);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.04);
}
.flow-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out;}
.flow-row:hover .flow-thumb img{transform:scale(1.03);}
.flow-body{flex:1;min-width:0;}
.flow-body h3{font-size:20px;line-height:1.45;margin-bottom:8px;}
.flow-body p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:12px;}
.flow-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;text-decoration:none !important;}
.flow-link i{font-size:12px;transition:transform var(--ease);}
.flow-link:hover i{transform:translateX(4px);}
.flow-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:6px;padding:3px 9px;margin-bottom:10px;
}
@media (max-width:767px){
  .flow-row{flex-direction:column;gap:16px;padding:18px;}
  .flow-thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
}

/* 提示条 */
.tip-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--accent-soft);border:1px solid #F3DAC7;border-radius:var(--r-md);
  padding:18px 22px;margin:8px 0 34px;
}
.tip-bar i{color:var(--accent);font-size:18px;margin-top:3px;}
.tip-bar p{font-size:14.5px;color:#8A5730;line-height:1.8;margin:0;}

/* ============ FAQ ============ */
.faq-sec{padding:80px 0;background:#fff;border-top:1px solid var(--line-soft);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-lighter);border-radius:6px;padding:5px 12px;margin-bottom:14px;
}
.sec-head h2{font-size:34px;line-height:1.3;margin-bottom:14px;}
.sec-head p{font-size:15.5px;color:var(--muted);}
@media (max-width:767px){
  .sec-head h2{font-size:24px;}
  .faq-sec{padding:52px 0;}
}
.accordion.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion.faq-acc .accordion-button{
  font-size:16px;font-weight:500;color:var(--brand-dark);
  padding:19px 52px 19px 22px;background:#fff;box-shadow:none !important;
  border-radius:12px !important;
}
.accordion.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-lighter);}
.accordion.faq-acc .accordion-button::after{
  width:16px;height:16px;background-size:16px;background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease);transform:rotate(0deg);
}
.accordion.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion.faq-acc .accordion-body{
  padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);
}

/* ============ CTA 条 ============ */
.cta-strip{
  background:var(--brand-dark);
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:18px 18px;
  padding:64px 0;
}
.cta-strip .row{align-items:center;}
.cta-strip h3{color:#fff;font-size:28px;line-height:1.35;margin-bottom:12px;}
.cta-strip p{color:rgba(255,255,255,.82);font-size:15.5px;margin:0;}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}
@media (max-width:767px){
  .cta-strip{padding:44px 0;}
  .cta-strip h3{font-size:22px;}
  .cta-strip .cta-actions{justify-content:flex-start;margin-top:20px;}
  .cta-strip .cta-actions .btn-accent,.cta-strip .cta-actions .btn-ghost{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.72);
  padding:64px 0 0;font-size:14.5px;
}
.site-footer .foot-col{margin-bottom:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;
}
.foot-brand .logo-mark svg{width:20px;height:20px;}
.foot-brand span:last-child{font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;}
.site-footer p{color:rgba(255,255,255,.68);line-height:1.8;margin-bottom:18px;}
.foot-contact div{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:rgba(255,255,255,.78);}
.foot-contact i{width:16px;color:var(--accent);}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.foot-links a{
  display:block;color:rgba(255,255,255,.7);padding:7px 0;
  text-decoration:none !important;transition:color var(--ease),transform var(--ease);
}
.foot-links a:hover{color:#fff;transform:translateX(4px);}
.qr-box{
  width:96px;height:96px;background:#fff;border-radius:12px;padding:8px;
  box-shadow:0 10px 24px -14px rgba(0,0,0,.5);
}
.qr-box img{width:100%;height:100%;object-fit:cover;border-radius:6px;}
.qr-cap{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.to-top{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:#fff;transition:all var(--ease);
}
.to-top:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-3px);}
@media (max-width:767px){
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --brand:#2E6C8E;
  --brand-dark:#1D4E68;
  --brand-deep:#12303F;
  --brand-100:#E8F1F6;
  --brand-50:#F2F7FA;
  --accent:#E1844A;
  --ink:#1B2A33;
  --muted:#5A6B76;
  --line:#E2E8ED;
  --line-soft:#EEF2F5;
  --page:#F7F9FB;
  --card:#FFFFFF;
  --danger:#C4493B;
  --ok:#2E8B6F;
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-1:0 2px 6px rgba(23,58,80,.06), 0 12px 28px -12px rgba(23,58,80,.12);
  --shadow-2:0 4px 10px rgba(23,58,80,.08), 0 20px 40px -16px rgba(23,58,80,.18);
  --ease:200ms ease-out;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-dark);text-decoration:underline;}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--brand-dark);line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){ .container{max-width:1280px;} }

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  font-size:15px;font-weight:500;letter-spacing:.01em;
  box-shadow:0 6px 16px -8px rgba(46,108,142,.7);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(29,78,104,.7);}
.btn-brand:active{transform:translateY(0);background:var(--brand-deep);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-btn);
  background:transparent;color:var(--brand-dark);border:1px solid rgba(46,108,142,.42);
  font-size:15px;font-weight:500;transition:all var(--ease);
}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand);color:var(--brand-dark);text-decoration:none;transform:translateY(-2px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-btn);
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  font-size:15px;font-weight:500;transition:all var(--ease);
  box-shadow:0 8px 18px -10px rgba(225,132,74,.85);
}
.btn-accent:hover{background:#cf7239;border-color:#cf7239;color:#fff;text-decoration:none;transform:translateY(-2px);}
.btn-sm-nav{min-height:40px;padding:0 20px;font-size:14px;border-radius:9px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(27,42,51,.06);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.99);
  backdrop-filter:none;-webkit-backdrop-filter:none;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px -16px rgba(23,58,80,.5),0 1px 0 rgba(23,58,80,.04);
}
.site-nav{min-height:72px;display:flex;align-items:center;}
.site-logo{display:inline-flex;align-items:center;gap:10px;padding:0;margin:0;}
.site-logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;box-shadow:0 6px 14px -8px rgba(29,78,104,.9);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--brand-dark);}
.nav-desktop{display:flex;align-items:center;flex:1;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list .nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);
  border-radius:9px;transition:color var(--ease),background var(--ease);
}
.nav-list .nav-link:hover{color:var(--brand);background:var(--brand-50);text-decoration:none;}
.nav-list .nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-list .nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand-dark);display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.nav-search:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-50);}
.nav-burger{
  width:44px;height:44px;border-radius:11px;border:1px solid var(--line);background:#fff;
  color:var(--brand-dark);font-size:18px;display:inline-flex;align-items:center;justify-content:center;
}
.nav-burger:hover{border-color:var(--brand);color:var(--brand);}
@media (max-width:991.98px){
  .site-nav{min-height:64px;justify-content:space-between;}
  .nav-desktop{display:none;}
  .site-logo{margin-right:auto;}
}
.offcanvas.site-drawer{width:320px;border:none;}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 22px;}
.site-drawer .drawer-title{font-size:16px;font-weight:600;color:var(--brand-dark);}
.site-drawer .offcanvas-body{padding:8px 22px 22px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.drawer-link:hover{color:var(--brand);text-decoration:none;}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-link i{font-size:13px;color:var(--muted);}
.drawer-cta{margin-top:22px;}
.drawer-cta .btn-brand{width:100%;}

/* ---------- 分类页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:268px;display:flex;align-items:center;
  background-image:linear-gradient(105deg,rgba(29,78,104,.86) 0%,rgba(46,108,142,.66) 55%,rgba(46,108,142,.42) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-banner .banner-inner{position:relative;z-index:2;color:#fff;padding:44px 0;}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:14px;
}
.breadcrumb-line a{color:rgba(255,255,255,.9);}
.breadcrumb-line a:hover{color:#fff;}
.breadcrumb-line span.sep{opacity:.6;}
.page-banner h1{
  color:#fff;font-size:44px;font-weight:700;line-height:1.2;letter-spacing:.01em;margin-bottom:14px;
}
.banner-lead{
  max-width:720px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.9);margin:0;
}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.banner-badges .b-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
  backdrop-filter:blur(4px);
}
@media (max-width:767.98px){
  .page-banner{min-height:232px;}
  .page-banner h1{font-size:30px;}
  .page-banner .banner-inner{padding:34px 0;}
  .banner-lead{font-size:14px;}
}

/* ---------- 主体 ---------- */
.page-main{padding:76px 0 84px;}
.section-block{margin-bottom:72px;}
.section-block:last-child{margin-bottom:0;}
.side-toc{position:sticky;top:104px;}
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:14px;font-weight:600;color:var(--brand-dark);letter-spacing:.04em;margin-bottom:14px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--muted);line-height:1.5;
  border-left:2px solid transparent;transition:all var(--ease);
}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-dark);text-decoration:none;}
.toc-list a.is-current{background:var(--brand-100);color:var(--brand-dark);font-weight:600;border-left-color:var(--brand);}
.toc-help{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.75;
}
.toc-help strong{display:block;color:var(--brand-dark);font-size:14px;margin-bottom:6px;}
.toc-help a{font-size:13px;}
@media (max-width:991.98px){
  .side-toc{position:static;margin-bottom:34px;}
  .toc-list{display:flex;flex-wrap:wrap;gap:8px;}
  .toc-list a{border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:#fff;}
  .toc-list a.is-current{border-color:var(--brand);border-left-color:var(--brand);}
}

.article-narrow{max-width:820px;}
.prose h2{
  position:relative;font-size:32px;font-weight:600;margin:0 0 22px;padding-left:18px;line-height:1.35;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--brand);
}
.prose h3{font-size:20px;margin:30px 0 12px;}
.prose p{font-size:17px;line-height:1.9;color:var(--ink);}
.prose .lead-p{font-size:17px;color:var(--muted);}
.prose ul{margin:0 0 1.4em;padding-left:1.5em;list-style:none;}
.prose ul li{position:relative;font-size:17px;line-height:1.9;margin-bottom:9px;}
.prose ul li::before{
  content:"";position:absolute;left:-1.1em;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.prose ol{margin:0 0 1.4em;padding-left:1.5em;list-style:decimal;}
.prose ol li{font-size:17px;line-height:1.9;margin-bottom:9px;padding-left:4px;}
.prose blockquote{
  margin:0 0 1.6em;padding:20px 22px;border-left:3px solid var(--brand);
  background:var(--brand-50);border-radius:0 12px 12px 0;color:var(--muted);font-size:16px;line-height:1.85;
}
.prose blockquote p{margin:0;font-size:16px;color:var(--muted);}
.prose figure{margin:0 0 1.8em;}
.prose figure img{border-radius:12px;width:100%;aspect-ratio:16/9;object-fit:cover;box-shadow:var(--shadow-1);border:1px solid rgba(0,0,0,.04);}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}

/* 表格 */
.spec-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-1);margin-bottom:1.8em;font-size:15px;
}
.spec-table th,.spec-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line-soft);line-height:1.7;}
.spec-table thead th{background:var(--brand-50);color:var(--brand-dark);font-weight:600;font-size:14px;letter-spacing:.02em;}
.spec-table tbody tr:last-child td{border-bottom:none;}
.spec-table tbody tr:hover{background:var(--brand-50);}
@media (max-width:575.98px){
  .spec-table{font-size:14px;}
  .spec-table th,.spec-table td{padding:12px 12px;}
}

/* 步骤流 */
.step-flow{display:grid;gap:14px;margin-bottom:1.8em;}
.step-item{
  display:flex;gap:16px;padding:20px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-1);transition:all var(--ease);
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(46,108,142,.3);}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-dark);font-weight:700;font-size:15px;
}
.step-body h3{font-size:17px;margin:0 0 6px;}
.step-body p{margin:0;font-size:15px;line-height:1.8;color:var(--muted);}

/* 提示卡 */
.note-card{
  display:flex;gap:16px;padding:20px 22px;border-radius:14px;
  background:var(--brand-50);border:1px solid var(--brand-100);margin-bottom:1.8em;
}
.note-card i{color:var(--brand);font-size:18px;line-height:1.6;}
.note-card p{margin:0;font-size:15px;line-height:1.85;color:var(--muted);}
.note-card.warn{background:#FDF4F2;border-color:#F3DAD5;}
.note-card.warn i{color:var(--danger);}

/* ---------- 折叠问答 ---------- */
.faq-section{padding-top:8px;}
.faq-head{max-width:820px;margin-bottom:26px;}
.faq-head h2{font-size:32px;font-weight:600;margin-bottom:12px;color:var(--brand-dark);}
.faq-head p{font-size:16px;color:var(--muted);margin:0;}
.faq-wrap{max-width:820px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:rgba(46,108,142,.28);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:500;color:var(--brand-dark);line-height:1.6;cursor:pointer;
}
.faq-btn .chev{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand);font-size:12px;
  transition:transform var(--ease),background var(--ease);
}
.faq-btn[aria-expanded="true"] .chev{transform:rotate(180deg);background:var(--accent);color:#fff;}
.faq-body{padding:0 22px 20px;}
.faq-body p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;}
.faq-body p + p{margin-top:.9em;}

/* ---------- 联系卡 ---------- */
.contact-card{
  max-width:820px;margin-top:40px;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-panel);
  box-shadow:var(--shadow-2);
}
.contact-card .row{margin:0;}
.contact-media{min-height:100%;background:url("/assets/images/coverpic/cover-9.png") center/cover no-repeat;}
.contact-body{padding:32px;}
.contact-body h3{font-size:22px;margin-bottom:10px;}
.contact-body > p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px;}
.contact-lines{display:grid;gap:12px;margin-bottom:22px;}
.contact-line{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--ink);}
.contact-line i{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-dark);font-size:14px;
}
@media (max-width:767.98px){
  .contact-media{min-height:170px;}
  .contact-body{padding:24px 20px;}
}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  background:var(--brand-dark);color:#fff;padding:56px 0;position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.09) 0%,rgba(255,255,255,0) 70%);
}
.cta-bar .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-bar h2{color:#fff;font-size:28px;font-weight:600;margin-bottom:10px;}
.cta-bar p{color:rgba(255,255,255,.82);font-size:15px;margin:0;max-width:560px;line-height:1.85;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.42);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
@media (max-width:767.98px){
  .cta-bar{padding:44px 0;}
  .cta-bar h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.76);padding:64px 0 0;font-size:14px;}
.foot-col{margin-bottom:38px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand span:last-child{font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;}
.site-footer p{line-height:1.85;color:rgba(255,255,255,.68);margin-bottom:16px;}
.foot-contact div{display:flex;align-items:center;gap:10px;margin-bottom:9px;color:rgba(255,255,255,.72);}
.foot-contact i{color:var(--accent);width:16px;text-align:center;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{color:rgba(255,255,255,.7);font-size:14px;}
.foot-links a:hover{color:#fff;text-decoration:none;}
.qr-box{
  width:96px;height:96px;background:#fff;border-radius:12px;padding:6px;display:flex;align-items:center;justify-content:center;
  margin-bottom:10px;
}
.qr-box img{width:100%;height:100%;object-fit:cover;border-radius:8px;}
.qr-cap{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:12px;padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  width:42px;height:42px;border-radius:11px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.to-top:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
@media (max-width:767.98px){
  .site-footer{padding-top:48px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* 进度条 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:1060;transition:width 120ms linear;}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#2E6C8E;
  --brand-dark:#1D4E68;
  --brand-deep:#12303F;
  --brand-soft:#E8F1F6;
  --brand-mist:#F2F7FA;
  --accent:#E1844A;
  --ink:#1B2A33;
  --ink-2:#5A6B76;
  --line:#E2E8ED;
  --line-soft:#EEF2F5;
  --card-line:#E6EBEF;
  --bg:#F7F9FB;
  --card:#FFFFFF;
  --danger:#C4493B;
  --success:#2E8B6F;
  --r-badge:6px;
  --r-btn:10px;
  --r-card:16px;
  --r-panel:20px;
  --sh-1:0 2px 6px rgba(23,58,80,.06);
  --sh-2:0 12px 28px -12px rgba(23,58,80,.12);
  --sh-3:0 18px 40px -16px rgba(23,58,80,.2);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--brand-dark);font-weight:600;line-height:1.35}
h1{font-size:44px;font-weight:700}
h2{font-size:34px}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,background .2s ease-out,transform .2s ease-out}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
::selection{background:rgba(46,108,142,.18)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1035;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(27,42,51,.06);
  box-shadow:0 6px 24px -16px rgba(23,58,80,.45);
  transition:background .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-bottom-color:var(--line);
  box-shadow:0 10px 26px -20px rgba(23,58,80,.5);
}
.site-header .container{display:flex;align-items:center;min-height:var(--nav-h)}
.site-nav{width:100%;display:flex;align-items:center;gap:16px}
.site-logo{
  display:flex;align-items:center;gap:10px;padding:0;
  font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--brand-dark);white-space:nowrap;
}
.site-logo:hover{color:var(--brand);text-decoration:none}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:var(--brand-soft);color:var(--brand);
}
.logo-mark svg{width:20px;height:20px}
.nav-desktop{display:none}
@media (min-width:992px){
  .nav-desktop{display:flex;align-items:center;flex:1;gap:14px}
}
.nav-list{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-list .nav-link{
  position:relative;display:block;padding:10px 14px;
  font-size:15px;font-weight:500;color:var(--ink);border-radius:8px;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-list .nav-link:hover{color:var(--brand);background:rgba(46,108,142,.08);text-decoration:none}
.nav-list .nav-link.is-active{color:var(--brand);font-weight:600}
.nav-list .nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-search{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.72);
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.nav-search:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.nav-burger{
  margin-left:auto;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:rgba(255,255,255,.82);
  color:var(--brand-dark);font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-burger:hover{border-color:var(--brand);color:var(--brand)}
@media (max-width:991.98px){
  :root{--nav-h:64px}
  .site-logo{font-size:17px}
  .offcanvas.offcanvas-end{--bs-offcanvas-width:min(320px,86vw)}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:13px 24px;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn:focus,.btn:focus-visible{box-shadow:none}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(46,108,142,.9)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-brand:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(225,132,74,.9)}
.btn-accent:hover{background:#cf7239;color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-accent:active{transform:translateY(0)}
.btn-outline-brand{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline-brand:hover{background:var(--brand);color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-ghost-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-sm-nav{padding:10px 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;
  min-height:270px;
  display:flex;align-items:flex-end;
  padding:calc(var(--nav-h) + 52px) 0 44px;
  background-image:linear-gradient(180deg,rgba(29,78,104,.74),rgba(18,48,63,.86)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.banner-title{color:#fff;font-size:44px;font-weight:700;letter-spacing:.01em;margin-bottom:12px}
.banner-sub{color:rgba(255,255,255,.82);font-size:15px;max-width:640px}
.crumb{margin-bottom:16px}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75)}
.crumb-list li{display:flex;align-items:center;gap:8px}
.crumb-list li+li::before{content:"/";color:rgba(255,255,255,.5)}
.crumb-list a{color:rgba(255,255,255,.82)}
.crumb-list a:hover{color:#fff;text-decoration:underline}
.crumb-list li[aria-current="page"]{color:#fff;font-weight:500}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--intro{padding:64px 0 24px}
.section--soft{background:var(--brand-mist);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{margin-bottom:26px}
.section-head h2{margin-bottom:10px}
.section-sub{font-size:15px;color:var(--ink-2);max-width:720px}
@media (max-width:767.98px){
  .section{padding:52px 0}
  .section--intro{padding:44px 0 12px}
  h1,.banner-title{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  .page-banner{min-height:224px;padding:calc(var(--nav-h) + 34px) 0 32px}
}

/* ---------- 简介与数据 ---------- */
.lead-text{font-size:19px;line-height:1.85;color:var(--brand-dark);font-weight:500}
.stat-bar{
  display:flex;flex-wrap:wrap;gap:28px;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-panel);
  padding:22px 26px;box-shadow:var(--sh-1);
}
.stat{min-width:86px}
.stat-num{display:block;font-size:28px;font-weight:600;color:var(--brand);line-height:1.2}
.stat-cap{display:block;font-size:13px;color:var(--ink-2)}

/* ---------- 标签条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 0 4px;
}
.filter-cap{font-size:14px;color:var(--ink-2);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.chip:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);text-decoration:none}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 图文网格 ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;align-items:start;margin-top:28px;
}
.agenda-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  scroll-margin-top:110px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.agenda-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.thumb{position:relative;overflow:hidden;background:var(--brand-soft)}
.thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease-out}
.agenda-card:hover .thumb img{transform:scale(1.02)}
.card-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:var(--r-badge);
}
.card-body-c{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px 26px 26px}
.card-body-c h3{margin:0}
.card-desc{font-size:15px;color:var(--ink-2);line-height:1.8}
.card-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--ink-2);
}
.card-meta i{color:var(--brand);margin-right:6px}
.card-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-link:hover{text-decoration:underline}
@media (min-width:768px){
  .card-grid > .agenda-card:nth-child(even){margin-top:40px}
}
@media (max-width:767.98px){
  .card-grid{grid-template-columns:1fr;gap:20px}
}

/* ---------- 现场安排 ---------- */
.plan-list{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.plan-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.plan-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.plan-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;
}
.plan-item h3{font-size:17px;margin-bottom:6px}
.plan-item p{font-size:14px;color:var(--ink-2);line-height:1.8}
.venue-figure{
  margin:0;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-panel);
  overflow:hidden;box-shadow:var(--sh-2);
}
.venue-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.venue-figure figcaption{font-size:13px;color:var(--ink-2);padding:14px 18px;line-height:1.7}

/* ---------- 嘉宾 ---------- */
.speaker-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.speaker-row{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.speaker-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.speaker-avatar{
  width:72px;height:72px;flex:0 0 72px;border-radius:14px;overflow:hidden;
  background:var(--brand-soft);
}
.speaker-avatar img{width:100%;height:100%;object-fit:cover}
.speaker-info{flex:1;min-width:0}
.speaker-info h3{font-size:17px;margin-bottom:2px}
.speaker-org{font-size:13px;color:var(--ink-2)}
.speaker-topic{font-size:14px;color:var(--ink);margin-top:6px}
.speaker-tag{
  flex:0 0 auto;align-self:flex-start;
  font-size:12px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:var(--r-badge);padding:5px 10px;
}
@media (max-width:575.98px){
  .speaker-row{flex-wrap:wrap;gap:14px}
  .speaker-avatar{width:56px;height:56px;flex:0 0 56px;border-radius:12px}
  .speaker-info{flex:1 1 100%}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.accordion-item{
  background:#fff;border:1px solid var(--card-line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  font-size:16px;font-weight:500;color:var(--brand-dark);
  padding:20px 22px;background:#fff;box-shadow:none !important;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-mist)}
.accordion-button::after{
  width:14px;height:14px;background-size:14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%232E6C8E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  transition:transform .2s ease-out;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{font-size:15px;line-height:1.8;color:var(--ink-2);padding:4px 22px 22px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-dark);color:#fff;
  padding:72px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:767.98px){
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.76);padding:64px 0 24px;font-size:14px}
.foot-col{margin-bottom:34px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em}
.site-footer .logo-mark{background:rgba(255,255,255,.12);color:#fff}
.site-footer p{line-height:1.9;color:rgba(255,255,255,.72);max-width:320px}
.foot-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.8)}
.foot-contact i{color:var(--accent);margin-right:8px}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{color:rgba(255,255,255,.72);font-size:14px}
.foot-links a:hover{color:#fff;text-decoration:underline}
.qr-box{width:96px;height:96px;border-radius:12px;background:#fff;padding:6px;display:flex;align-items:center;justify-content:center}
.qr-box img{width:100%;height:100%;object-fit:cover;border-radius:8px}
.qr-cap{margin-top:12px;font-size:13px;color:rgba(255,255,255,.62)}
.foot-bottom{
  margin-top:14px;padding-top:22px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease-out,transform .2s ease-out;
}
.to-top:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{background:#fff;width:min(320px,86vw)}
.nav-drawer .offcanvas-header{padding:16px 20px;border-bottom:1px solid var(--line-soft)}
.drawer-title{font-size:17px;font-weight:700;color:var(--brand-dark);letter-spacing:.02em}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.nav-drawer .offcanvas-body{padding:8px 20px 18px}
.drawer-link{
  display:block;padding:15px 2px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.drawer-link:hover{color:var(--brand);text-decoration:none}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-foot{padding:16px 20px 22px;border-top:1px solid var(--line-soft)}