/* roulang page: index */
:root{
  --brand:#6C3BF4;
  --brand-dark:#4E22C9;
  --brand-soft:#EDE7FE;
  --mint:#12BFA8;
  --mint-soft:#E2F7F3;
  --amber:#FFA41B;
  --amber-soft:#FFF3DF;
  --ink:#1A1230;
  --page:#F7F6FB;
  --card:#FFFFFF;
  --text:#211A35;
  --text-2:#6A6380;
  --line:#E6E3EF;
  --danger:#E5484D;
  --success:#16A34A;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-1:0 1px 2px rgba(27,20,48,.04);
  --shadow-2:0 12px 28px rgba(27,20,48,.10);
  --nav-w:232px;
  --font-cn:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--text);font-family:var(--font-cn);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--nav-w);
  background:var(--ink);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;
  flex-direction:column;
  z-index:1030;
  padding:0 0 20px;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.18) transparent;
}
.side-nav::-webkit-scrollbar{width:4px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:4px;}
.brand-block{
  display:flex;
  align-items:center;
  gap:11px;
  height:88px;
  padding:0 18px;
  border-bottom:1px solid rgba(255,255,255,.07);
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--mint));
  display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:18px;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-name{color:#fff;font-size:15px;font-weight:700;white-space:nowrap;}
.brand-slogan{color:rgba(255,255,255,.5);font-size:11px;white-space:nowrap;}
.nav-list{padding:16px 12px 0;display:flex;flex-direction:column;gap:4px;flex:0 0 auto;}
.nav-list-label{
  font-size:11px;letter-spacing:.08em;
  color:rgba(255,255,255,.38);
  padding:6px 10px 8px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 12px;
  border-radius:10px;
  color:rgba(255,255,255,.72);
  font-size:15px;
  position:relative;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item i{width:18px;font-size:15px;text-align:center;color:rgba(255,255,255,.5);transition:color .22s ease;}
.nav-item:hover{background:rgba(108,59,244,.16);color:#fff;transform:translateX(2px);}
.nav-item:hover i{color:var(--amber);}
.nav-item.active{
  background:rgba(108,59,244,.22);
  color:#fff;
  font-weight:600;
}
.nav-item.active i{color:var(--amber);}
.nav-item.active::before{
  content:"";position:absolute;left:-12px;top:11px;bottom:11px;
  width:3px;border-radius:0 3px 3px 0;background:var(--amber);
}
.nav-divider{height:1px;background:rgba(255,255,255,.08);margin:16px 22px;}
.nav-sub{padding:0 12px;display:flex;flex-direction:column;gap:2px;}
.nav-sub a{
  display:flex;align-items:center;gap:9px;
  height:38px;padding:0 12px;border-radius:9px;
  color:rgba(255,255,255,.55);font-size:13.5px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-sub a:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px);}
.nav-sub i{font-size:12px;color:var(--mint);}
.side-foot{
  margin-top:auto;padding:18px 20px 0;
  display:flex;flex-direction:column;gap:12px;
  flex:0 0 auto;
}
.side-cta{
  display:block;text-align:center;
  background:var(--amber);color:#3A2400;
  font-weight:600;font-size:14.5px;
  padding:11px 16px;border-radius:10px;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.side-cta:hover{background:#FFB43F;color:#3A2400;transform:translateY(-2px);box-shadow:0 10px 20px rgba(255,164,27,.28);}
.side-contact{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7;}
.side-contact strong{display:block;color:rgba(255,255,255,.82);font-size:13px;font-weight:600;}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{
  position:fixed;top:0;left:0;right:0;height:60px;
  background:#fff;border-bottom:1px solid var(--line);
  z-index:1040;
}
.topbar-inner{
  height:100%;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.brand-mini{display:flex;align-items:center;gap:9px;color:var(--text);}
.brand-mini .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:15px;border-radius:9px;}
.brand-mini span.brand-name{color:var(--text);font-size:14.5px;}
.nav-toggle{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text);font-size:17px;
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.offcanvas.custom-drawer{width:82vw;max-width:340px;background:var(--ink);color:#fff;}
.custom-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 18px;}
.custom-drawer .offcanvas-title{color:#fff;font-size:15px;font-weight:700;}
.custom-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.custom-drawer .offcanvas-body{padding:14px 12px 24px;}
.drawer-link{
  display:flex;align-items:center;gap:10px;
  min-height:48px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.75);font-size:15px;
}
.drawer-link i{width:18px;text-align:center;color:var(--mint);}
.drawer-link:hover{background:rgba(108,59,244,.18);color:#fff;}
.drawer-link.active{background:rgba(108,59,244,.24);color:#fff;font-weight:600;}
.drawer-sub{margin-top:14px;border-top:1px solid rgba(255,255,255,.08);padding-top:14px;}
.drawer-cta{
  display:block;text-align:center;margin-top:18px;
  background:var(--amber);color:#3A2400;font-weight:600;
  padding:12px 16px;border-radius:10px;
}

/* ============ 主体布局 ============ */
.page-main{
  margin-left:var(--nav-w);
  min-height:100vh;
  display:flex;flex-direction:column;
}
.wrap{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:78px 0;}
.section.tight{padding:58px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  font-size:30px;font-weight:700;line-height:1.35;
  padding-left:14px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;padding:5px 13px;margin-bottom:14px;
}
.eyebrow.mint{color:#0B7F71;background:var(--mint-soft);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);
  font-weight:600;font-size:15px;
  padding:12px 24px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-amber{background:var(--amber);color:#3A2400;}
.btn-amber:hover{background:#FFB43F;color:#3A2400;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,164,27,.3);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(108,59,244,.28);}
.btn-outline-brand{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.62);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(-1px);}
.btn:disabled,.btn.disabled{opacity:.6;pointer-events:none;}
.btn-full{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-weight:600;font-size:14.5px;color:var(--brand);
}
.link-arrow i{transition:transform .22s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 倒计时条 ============ */
.countdown-bar{
  position:sticky;top:0;z-index:900;
  background:var(--ink);
  color:#fff;
}
.countdown-inner{
  display:flex;align-items:center;gap:20px;
  min-height:62px;padding:9px 32px;
  max-width:1320px;margin:0 auto;
}
.cd-title{display:flex;flex-direction:column;line-height:1.3;flex:0 0 auto;}
.cd-title span:first-child{font-size:15px;font-weight:600;}
.cd-title span:last-child{font-size:12px;color:rgba(255,255,255,.55);}
.cd-timer{display:flex;align-items:center;gap:9px;margin-left:auto;}
.cd-block{
  min-width:56px;height:44px;
  background:rgba(255,255,255,.08);
  border-radius:9px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:2px 8px;
}
.cd-num{
  font-size:21px;font-weight:700;color:var(--amber);line-height:1.1;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
}
.cd-unit{font-size:11px;color:rgba(255,255,255,.55);line-height:1.2;}
.cd-cta{flex:0 0 auto;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:linear-gradient(108deg,rgba(26,18,48,.86) 0%,rgba(26,18,48,.62) 52%,rgba(26,18,48,.78) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:84px 0 78px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:52px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;
  padding:6px 15px;
  font-size:13px;color:#EDE7FE;
  margin-bottom:18px;
}
.hero h1{
  color:#fff;
  font-size:44px;font-weight:800;line-height:1.25;
  letter-spacing:-.01em;
  max-width:16em;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.84);
  max-width:30em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.trust-pill{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.11);
  border:1px solid rgba(255,255,255,.16);
  border-radius:12px;
  padding:9px 16px;
  font-size:13.5px;color:rgba(255,255,255,.9);
}
.trust-pill i{color:var(--mint);font-size:14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--radius-lg);
  box-shadow:0 26px 54px rgba(0,0,0,.4);
  aspect-ratio:4/3;object-fit:cover;
}
.hero-float{
  position:absolute;left:-16px;bottom:22px;
  background:#fff;color:var(--text);
  border-radius:14px;padding:13px 17px;
  box-shadow:0 18px 34px rgba(0,0,0,.25);
  display:flex;align-items:center;gap:11px;
}
.hero-float i{color:var(--brand);font-size:17px;}
.hero-float strong{display:block;font-size:14px;}
.hero-float span{font-size:12px;color:var(--text-2);}

/* ============ 卖点区 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  position:relative;
  overflow:hidden;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DAD3F5;}
.feature-card.tinted{background:var(--brand-soft);border-color:#DDD2FC;}
.feature-no{
  font-size:13px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.feature-ico{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;
  background:#fff;color:var(--brand);
  font-size:19px;margin:14px 0 16px;
  border:1px solid var(--line);
}
.feature-card.tinted .feature-ico{background:#fff;border-color:#DDD2FC;}
.feature-card h3{font-size:19px;font-weight:600;margin-bottom:9px;}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.7;}

/* ============ 图墙 ============ */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  padding-bottom:30px;
}
.gallery-item{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.gallery-item:nth-child(3n+2){margin-top:26px;}
.gallery-item img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  transition:transform .35s ease;
}
.gallery-item:hover img{transform:scale(1.03);}
.gallery-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.gallery-mask{
  position:absolute;inset:auto 0 0 0;
  background:linear-gradient(to top,rgba(26,18,48,.88),rgba(26,18,48,0));
  padding:26px 18px 15px;color:#fff;
}
.gallery-mask strong{display:block;font-size:15px;font-weight:600;}
.gallery-mask span{font-size:12.5px;color:rgba(255,255,255,.72);}
.sticker{
  position:absolute;top:14px;left:14px;
  background:var(--amber);color:#3A2400;
  font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:8px;
  box-shadow:0 6px 14px rgba(0,0,0,.22);
}
.sticker.mint{background:var(--mint);color:#04342C;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DAD3F5;}
.news-thumb{
  aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);
  display:grid;place-items:center;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb .ph{font-size:26px;color:var(--brand);opacity:.65;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:11px;flex:1;}
.news-body h3{
  font-size:17.5px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--text-2);
}
.tag{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);color:var(--brand);
  border-radius:999px;padding:3px 11px;
  font-size:12.5px;font-weight:600;
}
.tag.mint{background:var(--mint-soft);color:#0B7F71;}
.tag.amber{background:var(--amber-soft);color:#9A5B00;}
.empty-state{
  text-align:center;padding:48px 20px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-md);
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.6;}
.empty-state p{margin:14px 0 18px;color:var(--text-2);font-size:15px;}

/* ============ CTA 表单区 ============ */
.cta-section{
  background:var(--brand-soft);
  padding:78px 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-copy h2{font-size:30px;font-weight:700;line-height:1.35;}
.cta-copy > p{margin-top:16px;color:var(--text-2);font-size:15.5px;max-width:28em;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;}
.cta-points i{color:var(--brand);margin-top:5px;font-size:14px;}
.form-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:30px 28px 28px;
  box-shadow:0 18px 40px rgba(27,20,48,.12);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.form-card > p{font-size:13.5px;color:var(--text-2);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:15px;color:var(--text);font-family:inherit;
  background:#FDFDFF;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:98px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(108,59,244,.14);
}
.field.invalid input,.field.invalid textarea{border-color:var(--danger);background:#FFF7F7;}
.field-error{display:none;color:var(--danger);font-size:13px;margin-top:7px;}
.field.invalid .field-error{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 22px;}
.check-row input{width:17px;height:17px;margin-top:5px;accent-color:var(--brand);flex:0 0 17px;}
.check-row label{font-size:13.5px;color:var(--text-2);line-height:1.6;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-2);text-align:center;}
.form-success{
  display:none;margin-top:16px;padding:11px 14px;border-radius:10px;
  background:var(--mint-soft);color:#0B7F71;font-size:13.5px;
}
.form-success.show{display:block;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion.custom-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  margin-bottom:10px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion.custom-acc .accordion-header{margin:0;}
.accordion.custom-acc .accordion-button{
  width:100%;
  background:#fff;
  border:0;
  padding:19px 22px;
  font-size:16px;font-weight:600;color:var(--text);
  font-family:inherit;text-align:left;
  display:flex;align-items:center;gap:14px;
  box-shadow:none;
  transition:background .2s ease,color .2s ease;
}
.accordion.custom-acc .accordion-button::after{display:none;}
.accordion.custom-acc .accordion-button:not(.collapsed){color:var(--brand);background:#FBFAFF;}
.accordion.custom-acc .accordion-button .acc-sign{
  margin-left:auto;flex:0 0 auto;
  width:24px;height:24px;border-radius:7px;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.accordion.custom-acc .accordion-button:not(.collapsed) .acc-sign{background:var(--brand);color:#fff;}
.accordion.custom-acc .accordion-button:focus{box-shadow:none;outline:none;}
.accordion.custom-acc .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-3px;}
.accordion.custom-acc .accordion-body{
  padding:0 22px 21px 22px;
  font-size:15px;line-height:1.85;color:var(--text-2);
  border-left:4px solid var(--brand);
  margin-left:0;
}
.accordion.custom-acc .accordion-collapse{background:#FBFAFF;}

/* ============ 数据条 ============ */
.stats-band{background:var(--ink);color:#fff;padding:54px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-num{
  font-size:34px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.65);margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand .brand-block{border:0;height:auto;padding:0;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:24em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.62);font-size:14px;}
.footer-col a:hover{color:var(--amber);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:12px;}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom .dot{opacity:.5;}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .wrap{max-width:1240px;}
}
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-item:nth-child(3n+2){margin-top:0;}
  .gallery-item:nth-child(2n){margin-top:26px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:991px){
  .side-nav{display:none;}
  .page-main{margin-left:0;padding-top:60px;}
  .countdown-bar{top:60px;}
  .countdown-inner{flex-wrap:wrap;padding:12px 24px;gap:12px;}
  .cd-timer{margin-left:0;order:3;width:100%;justify-content:flex-start;}
  .cd-cta{margin-left:auto;}
  .hero{padding:60px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:32px;max-width:none;}
  .hero-sub{font-size:16px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:25px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .wrap{padding:0 24px;}
  .cta-section{padding:64px 0;}
}
@media (max-width:767px){
  .feature-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:1fr;}
  .gallery-item:nth-child(2n){margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section{padding:48px 0;}
  .section.tight{padding:42px 0;}
  .section-head{margin-bottom:26px;}
  .hero h1{font-size:28px;}
  .cd-block{min-width:48px;height:40px;padding:2px 6px;}
  .cd-num{font-size:18px;}
  .hero-float{left:10px;bottom:12px;padding:10px 14px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .hero-actions .btn{width:100%;}
  .trust-row{flex-direction:column;align-items:stretch;}
  .trust-pill{justify-content:center;}
  .form-card{padding:24px 20px;}
  .btn{padding:12px 20px;}
  .foot-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#6C3BF4;
  --brand-dark:#4E22C9;
  --brand-soft:#EDE7FE;
  --mint:#12BFA8;
  --mint-soft:#E2F7F3;
  --amber:#FFA41B;
  --amber-soft:#FFF3DF;
  --ink:#1A1230;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --text:#211A35;
  --text-2:#6A6380;
  --line:#E6E3EF;
  --danger:#E5484D;
  --success:#16A34A;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sd-1:0 1px 2px rgba(27,20,48,.04);
  --sd-2:0 12px 28px rgba(27,20,48,.10);
  --side:232px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
a:hover{color:var(--brand-dark)}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.32;letter-spacing:0}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);
  border-right:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;
  padding:0 12px 20px;
  z-index:1035;overflow-y:auto;
}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:4px}
.side-nav-logo{
  display:flex;align-items:center;gap:10px;
  height:88px;flex:0 0 88px;padding:0 8px;
  border-bottom:1px solid rgba(255,255,255,.07);
  color:#fff;
}
.side-nav-logo:hover{color:#fff}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(140deg,#6C3BF4,#9B7BFF);
  display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#fff;
}
.logo-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.logo-main{font-size:15px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-sub{font-size:11px;color:rgba(255,255,255,.48)}
.side-nav-links{margin-top:16px;display:flex;flex-direction:column;gap:4px;flex:1 1 auto}
.side-nav-link{
  position:relative;
  display:flex;align-items:center;gap:11px;
  height:48px;padding:0 12px;border-radius:11px;
  color:rgba(255,255,255,.74);font-size:15px;font-weight:500;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.side-nav-link .nav-icon{width:18px;font-size:14px;text-align:center;color:rgba(255,255,255,.5);transition:color .22s ease}
.side-nav-link:hover{background:rgba(108,59,244,.22);color:#fff;transform:translateX(2px)}
.side-nav-link:hover .nav-icon{color:var(--amber)}
.side-nav-link.active{background:rgba(108,59,244,.22);color:#fff}
.side-nav-link.active .nav-icon{color:var(--amber)}
.side-nav-link.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--amber);
}
.side-nav-footer{
  margin-top:auto;padding:18px 6px 0;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;gap:10px;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
.side-nav-footer .btn{width:100%;padding:11px 16px;font-size:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1.5px solid transparent;
  font-size:15px;font-weight:600;padding:12px 24px;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  line-height:1.2;
}
.btn:disabled,.btn.disabled{opacity:.6;pointer-events:none}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(78,34,201,.28)}
.btn-brand:active{transform:translateY(0);box-shadow:0 4px 10px rgba(78,34,201,.22)}
.btn-amber{background:var(--amber);color:#33210A}
.btn-amber:hover{background:#F0930A;color:#33210A;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,164,27,.32)}
.btn-amber:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,164,27,.24)}
.btn-outline-brand{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sd-1)}

/* ---------- 布局骨架 ---------- */
.page-shell{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}

/* ---------- 移动端顶部导航 ---------- */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1045;
}
.mobile-logo{display:flex;align-items:center;gap:8px;font-size:15.5px;font-weight:700;color:var(--text)}
.mobile-logo:hover{color:var(--brand)}
.mobile-logo .logo-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:13px}
.mobile-toggle{
  width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:grid;place-items:center;font-size:17px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.mobile-toggle:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.mobile-offcanvas{width:82vw !important;max-width:340px}
.mobile-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.mobile-offcanvas .offcanvas-title{font-size:15.5px;font-weight:700}
.mobile-offcanvas .btn-close{opacity:.55}
.mobile-offcanvas .btn-close:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:2px}
.mobile-offcanvas .offcanvas-body{padding:14px 12px}
.mmenu{display:flex;flex-direction:column;gap:4px}
.mmenu-link{
  display:flex;align-items:center;gap:12px;min-height:48px;padding:0 14px;
  border-radius:11px;color:var(--text);font-size:15px;font-weight:500;
  transition:background-color .2s ease,color .2s ease;
}
.mmenu-link i{width:18px;text-align:center;color:var(--text-2);font-size:14px}
.mmenu-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.mmenu-link:hover i{color:var(--brand)}
.mmenu-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.mmenu-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);display:flex;flex-direction:column;gap:8px}

/* ---------- 文章头部区域 ---------- */
.article-head{background:#fff;border-bottom:1px solid var(--line);padding:34px 0 34px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);margin-bottom:20px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C9C4DA}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--text-2);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:40px;font-weight:800;line-height:1.25;letter-spacing:-.01em;
  color:var(--text);max-width:940px;overflow-wrap:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:20px;font-size:14px;color:var(--text-2)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:999px;
}
.badge-mint{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--mint-soft);color:#0B8E7D;
  font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:999px;
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{font-size:13px;color:#9A93AD}

/* ---------- 正文与侧栏 ---------- */
.article-main{padding:52px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:start}
.article-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sd-1);padding:40px 44px}

.article-body{font-size:16.5px;line-height:1.9;color:#2C2545;overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--text)}
.article-body p{margin:0 0 1em}
.article-body strong{font-weight:700;color:var(--text)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body img{border-radius:14px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
.article-body blockquote{
  background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;padding:16px 20px;margin:24px 0;color:#3D3460;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:16px 0;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:item;padding-left:0}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.18em;
  width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:#F1EFF8;font-weight:600;color:var(--text)}
.article-body tbody tr:nth-child(even) td{background:#FBFAFE}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 侧栏 */
.article-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sd-1);
}
.aside-card h3{font-size:16px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.aside-card h3 i{color:var(--brand);font-size:14px}
.aside-card p{font-size:14px;color:var(--text-2);line-height:1.8;margin:0 0 14px}
.aside-list{display:flex;flex-direction:column;gap:8px}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text);padding:10px 12px;border-radius:11px;
  border:1px solid var(--line);background:#FCFBFE;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.aside-list a:hover{background:var(--brand-soft);border-color:#DCD2FB;color:var(--brand-dark);transform:translateX(3px)}
.aside-list a i{font-size:12px;color:var(--text-2)}
.aside-list a:hover i{color:var(--brand)}
.aside-cta{margin-top:6px;width:100%}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:40px;color:#C9C2E0}
.empty-state p{margin:0;font-size:16px;color:var(--text-2)}
.empty-state .btn{margin-top:6px}

/* ---------- 相关阅读 ---------- */
.related{padding:0 0 72px}
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:26px;font-weight:700;display:flex;align-items:center;gap:12px}
.sec-head h2::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--brand)}
.sec-head p{margin:10px 0 0;font-size:14.5px;color:var(--text-2)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card-link{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd-1);color:inherit;height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-link:hover{transform:translateY(-3px);box-shadow:var(--sd-2);border-color:#DCD2FB;color:inherit}
.card-link .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.card-link .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-link:hover .thumb img{transform:scale(1.03)}
.card-link .thumb .sticker{
  position:absolute;left:12px;top:12px;
  background:var(--amber);color:#33210A;font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:8px;
}
.card-link .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-link h3{font-size:16.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}
.card-link .foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------- 底部 CTA ---------- */
.post-cta{padding:0 0 80px}
.post-cta-card{
  background:linear-gradient(135deg,#F3EEFF 0%,#EDE7FE 58%,#E2F7F3 100%);
  border:1px solid #E0D8FB;border-radius:20px;
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.post-cta-card h2{font-size:24px;font-weight:700;margin-bottom:10px}
.post-cta-card p{margin:0;font-size:14.5px;color:#4C4468;line-height:1.8;max-width:620px}
.post-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);margin-top:auto;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px}
.brand-block{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(140deg,#6C3BF4,#9B7BFF);
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-name{font-size:16px;font-weight:700;color:#fff}
.brand-slogan{font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;margin:0}
.footer-col h4{font-size:14.5px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--amber)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-contact i{color:var(--brand);font-size:13px;margin-top:5px;flex:0 0 14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:center;align-items:center;font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .dot{opacity:.5}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .article-panel{padding:36px 36px}
}
@media (max-width:1199.98px){
  .wrap{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .side-nav{display:none}
  .mobile-topbar{display:flex}
  .page-shell{margin-left:0;padding-top:60px}
  .wrap{padding:0 20px}
  .article-head{padding:24px 0 26px}
  .article-title{font-size:30px}
  .article-main{padding:38px 0 48px}
  .article-panel{padding:28px 24px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .article-layout{gap:32px}
  .related{padding-bottom:56px}
  .sec-head h2{font-size:22px}
  .post-cta{padding-bottom:60px}
  .post-cta-card{padding:28px 24px}
  .post-cta-card h2{font-size:20px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:767.98px){
  .article-aside{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .crumb .current{max-width:200px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .article-title{font-size:27px}
  .article-panel{padding:22px 18px}
  .article-meta{gap:10px 14px;font-size:13px}
  .card-link .body{padding:16px}
  .post-cta-actions{width:100%}
  .post-cta-actions .btn{width:100%}
  .footer-bottom{font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#4E22C9;
  --brand-light:#EDE7FE;
  --mint:#12BFA8;
  --mint-light:#E2F7F3;
  --amber:#FFA41B;
  --amber-light:#FFF3DF;
  --ink:#1A1230;
  --page:#F7F6FB;
  --card:#FFFFFF;
  --text:#211A35;
  --text-2:#6A6380;
  --line:#E6E3EF;
  --err:#E5484D;
  --ok:#16A34A;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --sh-1:0 1px 2px rgba(27,20,48,.04);
  --sh-2:0 12px 28px rgba(27,20,48,.10);
  --side-w:232px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--side-w);
  height:100vh;
  background:var(--ink);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  padding:18px 14px 20px;
  overflow-y:auto;
  z-index:1040;
}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:4px}
.side-nav::-webkit-scrollbar-track{background:transparent}

.side-nav-logo{
  display:block;
  padding:10px 10px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.logo-main{
  display:block;
  color:#fff;
  font-size:17px;
  font-weight:800;
  letter-spacing:.4px;
  line-height:1.35;
}
.logo-sub{
  display:block;
  margin-top:6px;
  color:rgba(255,255,255,.42);
  font-size:12px;
  letter-spacing:.6px;
}
.side-nav-slogan{
  display:block;
  margin-top:10px;
  color:rgba(255,255,255,.55);
  font-size:12px;
  letter-spacing:.3px;
}

.side-nav-links{
  list-style:none;
  margin:16px 0 0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:3px;
}
.side-nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  padding:0 12px;
  border-radius:10px;
  color:rgba(255,255,255,.72);
  font-size:15px;
  text-decoration:none;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-nav-link .nav-icon{
  width:18px;
  text-align:center;
  font-size:12px;
  color:var(--amber);
  flex:0 0 18px;
}
.side-nav-link:hover{
  background:rgba(108,59,244,.16);
  color:#fff;
  transform:translateX(2px);
}
.side-nav-link.active{
  background:rgba(108,59,244,.22);
  color:#fff;
}
.side-nav-link.active::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  bottom:10px;
  width:3px;
  border-radius:3px;
  background:var(--amber);
}

.side-nav-divider{height:1px;background:rgba(255,255,255,.08);margin:18px 10px}

.side-nav-sub{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.side-nav-sub a{
  display:flex;
  align-items:center;
  gap:9px;
  height:40px;
  padding:0 12px;
  border-radius:9px;
  font-size:14px;
  color:rgba(255,255,255,.58);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-nav-sub a:hover{
  background:rgba(255,255,255,.06);
  color:#fff;
  transform:translateX(2px);
}
.side-nav-sub i{font-size:12px;color:var(--mint)}

.side-nav-foot{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
}
.side-nav-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  height:44px;
  border-radius:var(--r-sm);
  background:var(--amber);
  color:#2A1A00;
  font-size:15px;
  font-weight:700;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.side-nav-cta:hover{
  background:#F0930A;
  color:#2A1A00;
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(255,164,27,.28);
}
.side-nav-cta:active{transform:translateY(0)}
.side-nav-contact{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.9;
  color:rgba(255,255,255,.5);
}
.side-nav-contact i{color:var(--mint);margin-right:6px}

/* ============ 移动端顶部栏 ============ */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:1035;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.mobile-brand{display:flex;flex-direction:column;line-height:1.2}
.mobile-brand .b-name{font-size:15px;font-weight:800;color:var(--ink)}
.mobile-brand .b-sub{font-size:11px;color:var(--text-2);letter-spacing:.4px}
.mobile-toggle{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--brand);
  font-size:18px;
}

.offcanvas.mobile-drawer{
  --bs-offcanvas-width:82vw;
  background:var(--ink);
  color:#fff;
  border-left:1px solid rgba(255,255,255,.08);
}
.mobile-drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:18px 18px;
}
.mobile-drawer .offcanvas-title{color:#fff;font-size:16px;font-weight:800}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.mobile-drawer .offcanvas-body{padding:16px 14px 26px}
.drawer-link{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  color:rgba(255,255,255,.76);
  font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.drawer-link i{width:18px;text-align:center;font-size:12px;color:var(--amber)}
.drawer-link:hover,.drawer-link:active{background:rgba(108,59,244,.22);color:#fff}
.drawer-link.active{background:rgba(108,59,244,.22);color:#fff}
.drawer-divider{height:1px;background:rgba(255,255,255,.08);margin:14px 6px}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:48px;border-radius:12px;background:var(--amber);
  color:#2A1A00;font-weight:700;font-size:15px;margin-top:16px;
}

/* ============ 通用按钮 ============ */
.btn-brand,.btn-ghost,.btn-amber{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease;
}
.btn-amber{
  background:var(--amber);
  color:#2A1A00;
}
.btn-amber:hover{
  background:#F0930A;
  color:#2A1A00;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(255,164,27,.30);
}
.btn-amber:active{transform:translateY(0);box-shadow:none}
.btn-brand{
  background:var(--brand);
  color:#fff;
}
.btn-brand:hover{
  background:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(108,59,244,.28);
}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.7);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost-dark{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-ghost-dark:hover{
  background:var(--brand-light);
  color:var(--brand-dark);
  transform:translateY(-2px);
}
.btn-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--brand);
  transition:gap .2s ease,color .2s ease;
}
.btn-link-arrow:hover{gap:12px;color:var(--brand-dark)}

/* ============ 页头 ============ */
.page-main{display:block}
.page-hero{
  position:relative;
  padding:74px 0 66px;
  color:#fff;
  background-image:
    linear-gradient(rgba(26,18,48,.72),rgba(26,18,48,.72)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-40px;bottom:-60px;
  width:260px;height:260px;
  background-image:radial-gradient(rgba(255,255,255,.22) 1.4px,transparent 1.4px);
  background-size:16px 16px;
  opacity:.35;
  pointer-events:none;
}
.hero-crumb{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.7);
  margin:0 0 20px;
  padding:0;
}
.hero-crumb a{color:rgba(255,255,255,.82)}
.hero-crumb a:hover{color:#fff}
.hero-crumb li.current{color:rgba(255,255,255,.6)}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,164,27,.16);
  border:1px solid rgba(255,164,27,.42);
  color:var(--amber);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,46px);
  font-weight:800;
  line-height:1.25;
  color:#fff;
  max-width:900px;
  letter-spacing:.3px;
}
.hero-desc{
  margin-top:18px;
  max-width:760px;
  font-size:16.5px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ============ 速览数据条 ============ */
.facts-band{margin-top:-38px;position:relative;z-index:2}
.facts-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.fact-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:22px 22px 20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.fact-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.fact-num{
  font-size:26px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.fact-label{
  margin-top:6px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.fact-note{margin-top:4px;font-size:13px;color:var(--text-2);line-height:1.6}

/* ============ 板块通用 ============ */
.section{padding:84px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.3vw,30px);
  font-weight:700;
  line-height:1.35;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:4px;
  border-radius:3px;
  background:var(--brand);
}
.section-sub{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:700px}

/* ============ 左文右图 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.split-text p{color:var(--text-2);font-size:16px;max-width:660px}
.point-list{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.point-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  color:var(--text);
}
.point-list i{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:50%;
  background:var(--mint-light);
  color:var(--mint);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
}
.split-media{position:relative}
.media-frame{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:#fff;
}
.media-frame img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.media-frame:hover img{transform:scale(1.03)}
.sticker{
  position:absolute;
  top:-12px;left:-12px;
  padding:8px 14px;
  border-radius:12px;
  background:var(--amber);
  color:#2A1A00;
  font-size:13px;
  font-weight:700;
  box-shadow:0 8px 18px rgba(255,164,27,.32);
}
.media-caption{
  margin-top:14px;
  padding:14px 18px;
  border-radius:var(--r-md);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:13.5px;
  display:flex;
  align-items:center;
  gap:10px;
}
.media-caption i{color:var(--brand)}

/* ============ 导览条目列表 ============ */
.guide-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.guide-row{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:22px 24px;
  border-bottom:1px solid var(--line);
  color:inherit;
  transition:background .22s ease,transform .22s ease;
}
.guide-row:last-child{border-bottom:none}
.guide-row:hover{background:var(--brand-light);transform:translateX(4px)}
.guide-icon{
  flex:0 0 46px;
  width:46px;height:46px;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  transition:background .22s ease,color .22s ease;
}
.guide-row:hover .guide-icon{background:var(--brand);color:#fff}
.guide-body{flex:1 1 auto;min-width:0}
.guide-title{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--brand-light);
  color:var(--brand-dark);
}
.tag-mint{background:var(--mint-light);color:#0B7C6E}
.guide-desc{margin-top:6px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.guide-arrow{
  flex:0 0 auto;
  align-self:center;
  color:var(--brand);
  font-size:14px;
  transition:transform .22s ease;
}
.guide-row:hover .guide-arrow{transform:translateX(5px)}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:#fff;
  margin-bottom:10px;
  box-shadow:var(--sh-1);
}
.accordion-button{
  position:relative;
  background:#fff;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:18px 22px;
  box-shadow:none;
  border:none;
}
.accordion-button:not(.collapsed){
  background:#fff;
  color:var(--brand);
  box-shadow:none;
}
.accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--brand);
}
.accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;
  height:auto;
  font-size:20px;
  font-weight:600;
  line-height:1;
  color:var(--brand);
  margin-left:auto;
  transition:transform .22s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"−";
  background-image:none;
  transform:none;
  color:var(--brand);
}
.accordion-button:focus{
  box-shadow:0 0 0 3px rgba(108,59,244,.18);
  border-color:var(--brand);
  z-index:3;
}
.accordion-button:not(.collapsed){box-shadow:none}
.accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;
  border-radius:20px;
  padding:54px 48px;
  overflow:hidden;
  color:#fff;
  background-image:
    linear-gradient(rgba(26,18,48,.68),rgba(26,18,48,.78)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:36px;
  align-items:center;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.2vw,30px);
  font-weight:800;
  line-height:1.35;
}
.cta-band p{
  margin-top:14px;
  color:rgba(255,255,255,.82);
  font-size:15.5px;
  max-width:620px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  background:var(--ink);
  color:rgba(255,255,255,.7);
  padding:68px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.brand-block{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.brand-mark{
  width:44px;height:44px;
  border-radius:13px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:800;
  flex:0 0 44px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-name{color:#fff;font-size:16px;font-weight:800}
.brand-slogan{color:rgba(255,255,255,.45);font-size:12.5px;margin-top:3px;letter-spacing:.4px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  position:relative;
  padding-left:12px;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  left:0;top:.28em;bottom:.28em;
  width:3px;border-radius:3px;background:var(--brand);
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  color:rgba(255,255,255,.66);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:1.7;
}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .dot{color:rgba(255,255,255,.3)}

/* ============ 响应式 ============ */
@media (min-width:992px){
  body{padding-left:var(--side-w)}
}

@media (max-width:1199.98px){
  .split{gap:38px}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start}
}

@media (max-width:991.98px){
  .side-nav{display:none}
  body{padding-left:0}
  .mobile-bar{display:flex}
  .wrap{padding:0 24px}
  .page-hero{padding:56px 0 52px}
  .facts-band{margin-top:26px}
  .facts-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .section{padding:60px 0}
  .section-tight{padding:50px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:42px 30px}
}

@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .page-hero{padding:44px 0 42px}
  .page-hero h1{font-size:28px}
  .hero-desc{font-size:15.5px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .guide-row{padding:18px 16px;gap:14px}
  .guide-icon{flex-basis:40px;width:40px;height:40px;font-size:15px}
  .guide-title{font-size:16px}
  .cta-band{padding:34px 22px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:32px}
  .accordion-button{padding:16px 16px;font-size:15.5px}
  .accordion-body{padding:0 16px 18px}
}

@media (max-width:575.98px){
  .facts-grid{grid-template-columns:1fr}
  .hero-actions .btn-amber,.hero-actions .btn-ghost{width:100%}
  .cta-actions .btn-amber,.cta-actions .btn-ghost{width:100%}
  .cta-actions{width:100%}
  .page-hero h1{font-size:27px}
}

/* roulang page: category2 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#4E22C9;
  --brand-soft:#EDE7FE;
  --mint:#12BFA8;
  --mint-soft:#E2F7F3;
  --amber:#FFA41B;
  --amber-soft:#FFF3DF;
  --ink:#1A1230;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --text:#211A35;
  --text-2:#6A6380;
  --line:#E6E3EF;
  --danger:#E5484D;
  --success:#16A34A;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --sh-1:0 1px 2px rgba(27,20,48,.04);
  --sh-2:0 12px 28px rgba(27,20,48,.10);
  --nav-w:232px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);}
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:6px;}

/* ---------- 布局容器 ---------- */
.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1400px){ .wrap{max-width:1320px;} }
.page-shell{margin-left:0;}
@media (min-width:992px){
  .page-shell{margin-left:var(--nav-w);}
}

/* ---------- 左侧导航 ---------- */
.side-nav{
  display:none;
}
@media (min-width:992px){
  .side-nav{
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--nav-w);
    background:var(--ink);
    border-right:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-direction:column;
    padding:0 0 20px;
    z-index:1040;
    overflow-y:auto;
    scrollbar-width:thin;
    scrollbar-color:rgba(255,255,255,.18) transparent;
  }
  .side-nav::-webkit-scrollbar{width:4px;}
  .side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:4px;}
}
.side-nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:88px;
  padding:16px 20px;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#fff;
  flex-wrap:wrap;
}
.side-nav-logo:hover{color:#fff;}
.logo-mark{
  width:34px;height:34px;
  flex:0 0 34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;
}
.logo-main{
  display:block;
  font-size:15px;
  font-weight:700;
  color:#fff;
  letter-spacing:.2px;
  line-height:1.3;
}
.logo-sub{
  display:block;
  font-size:11px;
  color:rgba(255,255,255,.5);
  line-height:1.4;
}
.side-nav-links{padding:12px 0;flex:1 1 auto;}
.side-nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:48px;
  padding:0 20px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.side-nav-link .nav-icon{
  font-size:14px;
  color:rgba(255,255,255,.35);
  line-height:1;
  transition:color .2s ease;
}
.side-nav-link:hover{
  color:#fff;
  background:rgba(108,59,244,.16);
  transform:translateX(2px);
}
.side-nav-link:hover .nav-icon{color:var(--amber);}
.side-nav-link.active{
  color:#fff;
  background:rgba(108,59,244,.22);
  border-left-color:var(--amber);
  font-weight:600;
}
.side-nav-link.active .nav-icon{color:var(--amber);}
.side-nav-footer{
  padding:16px 20px 0;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;
  color:rgba(255,255,255,.5);
  line-height:1.9;
}
.btn-nav-cta{
  display:block;
  text-align:center;
  background:var(--amber);
  color:var(--ink);
  font-weight:600;
  font-size:14px;
  padding:11px 16px;
  border-radius:var(--r-sm);
  margin-bottom:12px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-nav-cta:hover{
  background:#f79700;
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(255,164,27,.25);
}

/* ---------- 移动端顶部导航 ---------- */
.mobile-topbar{
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  background:#fff;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:1050;
}
@media (min-width:992px){
  .mobile-topbar{display:none;}
  .page-shell{padding-top:0;}
}
.mobile-brand{
  display:flex;align-items:center;gap:8px;
  color:var(--text);font-weight:700;font-size:15px;
}
.mobile-brand .logo-mark{width:28px;height:28px;flex:0 0 28px;font-size:14px;border-radius:8px;}
.burger-btn{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--text);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.burger-btn:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
.offcanvas.offcanvas-end{width:82vw;max-width:360px;background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:15px;font-weight:700;color:var(--text);}
.offcanvas-body{padding:12px 0;}
.mnav-link{
  display:flex;align-items:center;gap:10px;
  min-height:48px;padding:0 20px;
  font-size:15px;color:var(--text);
  border-left:3px solid transparent;
}
.mnav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.mnav-link.active{
  background:var(--brand-soft);
  border-left-color:var(--brand);
  color:var(--brand-dark);
  font-weight:600;
}
.mnav-foot{padding:16px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);}
.page-shell{padding-top:60px;}
@media (min-width:992px){ .page-shell{padding-top:0;} }

/* ---------- 通用区块标题 ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:4px;
  background:var(--brand);
}
.section-head .lead{
  margin-top:12px;
  color:var(--text-2);
  font-size:15px;
  max-width:640px;
}
@media (max-width:767.98px){
  :root{--sec:48px;}
  .section-head h2{font-size:23px;}
  .section-tight{padding:44px 0;}
}

/* ---------- 页面头部 ---------- */
.page-head{
  background:#F1EFF8;
  border-bottom:1px solid var(--line);
  padding:44px 0 48px;
}
.crumb{margin-bottom:18px;}
.crumb ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:#C7C2D6;}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--text-2);}
.page-head h1{
  font-size:42px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:.2px;
  max-width:900px;
}
.page-head .head-lead{
  margin-top:16px;
  font-size:16px;
  color:var(--text-2);
  max-width:720px;
}
.head-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:24px;
}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 15px;
  font-size:13px;
  color:var(--text-2);
}
.chip i{color:var(--mint);font-size:12px;}
@media (max-width:767.98px){
  .page-head{padding:32px 0 36px;}
  .page-head h1{font-size:28px;}
  .page-head .head-lead{font-size:15px;}
}

/* ---------- 筛选标签行 ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:28px;
}
.filter-row a{
  display:inline-flex;align-items:center;
  padding:9px 18px;
  border-radius:999px;
  border:1.5px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--text-2);
  transition:all .2s ease;
}
.filter-row a:hover{
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.filter-row a.is-active{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  font-weight:600;
}

/* ---------- 卡片网格 ---------- */
.grid-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card-item{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  height:100%;
}
.card-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:#DED8F2;
}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--brand-soft);
}
.thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.card-item:hover .thumb img{transform:scale(1.03);}
.sticker{
  position:absolute;top:12px;left:12px;
  background:var(--amber);
  color:#1A1230;
  font-size:12px;
  font-weight:700;
  line-height:1;
  padding:6px 11px;
  border-radius:9px;
  box-shadow:0 6px 14px rgba(27,20,48,.16);
}
.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.card-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
}
.card-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  margin:0;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--text-2);
}
.tag-mint{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--mint-soft);
  color:#0B8C7B;
  border-radius:999px;
  padding:5px 12px;
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
}
.tag-brand{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);
  color:var(--brand-dark);
  border-radius:999px;
  padding:5px 12px;
  font-size:12px;
  font-weight:600;
}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  white-space:nowrap;
}
.arrow-link i{font-size:11px;transition:transform .2s ease;}
.arrow-link:hover i{transform:translateX(3px);}

/* 首卡跨列 */
.card-feature{grid-column:span 2;}
.card-feature .thumb{aspect-ratio:16/8;}
.card-feature .card-body{padding:24px 26px 26px;gap:12px;}
.card-feature .card-body h3{font-size:24px;}
.card-feature .card-body p{font-size:15px;max-width:60ch;}

@media (max-width:991.98px){
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .card-feature{grid-column:span 2;}
  .card-feature .thumb{aspect-ratio:16/9;}
  .card-feature .card-body h3{font-size:21px;}
}
@media (max-width:575.98px){
  .grid-cards{grid-template-columns:minmax(0,1fr);}
  .card-feature{grid-column:span 1;}
  .card-feature .thumb{aspect-ratio:16/9;}
  .card-feature .card-body h3{font-size:19px;}
  .card-body h3{font-size:18px;}
}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--amber);
  color:#1A1230;
  font-weight:600;
  font-size:15px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  border:none;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-main:hover{
  background:#f79700;
  color:#1A1230;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(255,164,27,.28);
}
.btn-main:active{transform:translateY(1px);box-shadow:none;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;
  border:1.5px solid var(--brand);
  color:var(--brand);
  font-weight:600;
  font-size:15px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:all .2s ease;
}
.btn-outline-brand:hover{
  background:var(--brand);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(108,59,244,.22);
}
.btn-outline-brand:active{transform:translateY(1px);box-shadow:none;}
.btn-more{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;
  border:1.5px solid var(--line);
  color:var(--text);
  font-weight:600;
  font-size:15px;
  padding:13px 30px;
  border-radius:999px;
  cursor:pointer;
  transition:all .2s ease;
}
.btn-more:hover{
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.more-wrap{display:flex;justify-content:center;margin-top:40px;}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:var(--r-md);
  padding:18px 22px;
  margin-bottom:32px;
}
.notice-bar i{color:var(--brand);font-size:16px;margin-top:3px;}
.notice-bar p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--r-md) !important;
  overflow:hidden;
  margin-bottom:10px;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  padding:18px 22px;
  box-shadow:none !important;
  border-radius:var(--r-md) !important;
  gap:14px;
}
.accordion-button:hover{background:#FBF9FF;color:var(--brand-dark);}
.accordion-button:not(.collapsed){
  background:#fff;
  color:var(--brand-dark);
  box-shadow:inset 4px 0 0 var(--brand) !important;
}
.accordion-button::after{
  content:"+";
  background-image:none !important;
  width:26px;height:26px;
  flex:0 0 26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:18px;
  font-weight:600;
  line-height:1;
  transform:none;
  transition:background .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--brand);
  color:#fff;
  transform:none;
}
.accordion-button:focus{
  border-color:var(--brand) !important;
  box-shadow:0 0 0 3px rgba(108,59,244,.18) !important;
}
.accordion-body{
  padding:4px 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.accordion-body p{margin:0;}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  padding:56px 48px;
  background-image:linear-gradient(rgba(26,18,48,.72),rgba(26,18,48,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cta-band h2{
  color:#fff;
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  max-width:620px;
}
.cta-band p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  max-width:600px;
  margin-top:14px;
}
.cta-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:28px;
}
.cta-band .btn-outline-brand{
  border-color:rgba(255,255,255,.7);
  color:#fff;
}
.cta-band .btn-outline-brand:hover{
  background:#fff;
  color:var(--ink);
  border-color:#fff;
}
@media (max-width:767.98px){
  .cta-band{padding:36px 24px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn-main,.cta-actions .btn-outline-brand{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.68);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand-block{
  display:flex;align-items:center;gap:12px;
  margin-bottom:18px;
}
.brand-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;
}
.brand-name{
  display:block;
  color:#fff;
  font-size:16px;
  font-weight:700;
  line-height:1.3;
}
.brand-slogan{
  display:block;
  font-size:12px;
  color:rgba(255,255,255,.5);
}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:34ch;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-col ul li a:hover{color:var(--amber);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-contact li i{color:var(--mint);font-size:13px;margin-top:5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .dot{color:rgba(255,255,255,.25);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .site-footer{padding:48px 0 24px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-brand p{max-width:none;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
}

/* roulang page: category3 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#4E22C9;
  --brand-light:#EDE7FE;
  --mint:#12BFA8;
  --mint-light:#E2F7F3;
  --amber:#FFA41B;
  --amber-light:#FFF3DF;
  --ink:#1A1230;
  --page:#F7F6FB;
  --card:#FFFFFF;
  --text:#211A35;
  --text-2:#6A6380;
  --line:#E6E3EF;
  --error:#E5484D;
  --success:#16A34A;
  --radius:16px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(27,20,48,.04);
  --shadow-2:0 12px 28px rgba(27,20,48,.10);
  --sidebar-w:232px;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}

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

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  padding-left:0;
  padding-top:60px;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}

:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}

.wrap{
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 侧栏导航 ============ */
.side-nav{
  display:none;
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  background:var(--ink);
  border-right:1px solid rgba(255,255,255,.08);
  flex-direction:column;
  z-index:1035;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.2) transparent;
}
.side-nav::-webkit-scrollbar{width:4px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:4px;}

.side-nav-logo{
  display:flex;
  flex-direction:column;
  justify-content:center;
  height:88px;
  padding:0 20px;
  border-bottom:1px solid rgba(255,255,255,.08);
  flex:0 0 auto;
}
.logo-main{
  color:#fff;
  font-size:17px;
  font-weight:800;
  letter-spacing:.2px;
  line-height:1.3;
}
.logo-sub{
  color:#8C86A6;
  font-size:12px;
  letter-spacing:.5px;
  margin-top:4px;
}

.side-nav-links{
  padding:16px 12px 0;
  flex:0 0 auto;
}
.side-nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  padding:0 12px;
  border-radius:10px;
  border-left:3px solid transparent;
  color:#CFC9E6;
  font-size:15px;
  transition:background .22s ease,transform .22s ease,color .22s ease,border-color .22s ease;
}
.side-nav-link .nav-icon{
  width:18px;
  font-size:14px;
  text-align:center;
  color:#8C86A6;
  transition:color .22s ease;
}
.side-nav-link:hover{
  background:rgba(255,255,255,.06);
  color:#fff;
  transform:translateX(2px);
}
.side-nav-link:hover .nav-icon{color:#fff;}
.side-nav-link.active{
  border-left-color:var(--amber);
  background:rgba(108,59,244,.22);
  color:#fff;
}
.side-nav-link.active .nav-icon{color:var(--amber);}

.side-nav-footer{
  margin-top:auto;
  padding:20px;
  border-top:1px solid rgba(255,255,255,.08);
  color:#6E6885;
  font-size:12px;
  letter-spacing:.4px;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:12px 12px;
}

/* ============ 移动端顶部栏 ============ */
.mobile-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  padding:0 16px;
  background:#fff;
  border-bottom:1px solid var(--line);
  z-index:1040;
}
.mobile-brand{
  font-size:16px;
  font-weight:800;
  color:var(--text);
}
.mobile-toggle{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--brand);
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.offcanvas.oc-panel{width:82vw;max-width:340px;}
.oc-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  background:var(--ink);
  color:#fff;
}
.oc-brand{font-size:16px;font-weight:800;}
.oc-close{
  width:36px;height:36px;
  border:0;
  border-radius:9px;
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:18px;
  line-height:1;
}
.oc-body{padding:14px 12px 24px;}
.oc-link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text);
  font-size:15px;
  border-left:3px solid transparent;
}
.oc-link.active{
  border-left-color:var(--amber);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:600;
}
.oc-foot{
  margin-top:20px;
  padding:16px 14px 0;
  border-top:1px solid var(--line);
  color:var(--text-2);
  font-size:12px;
}

/* ============ 页头 ============ */
.cat-hero{
  position:relative;
  background:var(--ink);
  overflow:hidden;
  padding:56px 0 52px;
}
.cat-hero::before{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-160px;top:-220px;
  background:radial-gradient(circle,rgba(108,59,244,.55) 0%,rgba(108,59,244,0) 68%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  width:340px;height:340px;
  left:-120px;bottom:-200px;
  background:radial-gradient(circle,rgba(18,191,168,.30) 0%,rgba(18,191,168,0) 70%);
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:1;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#9A93B5;
  margin-bottom:20px;
}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb a{color:#C6C0DC;}
.crumb a:hover{color:#fff;}
.crumb .sep{color:#5E5878;}
.crumb .current{color:#8C86A6;}

.cat-hero h1{
  color:#fff;
  font-size:40px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:.2px;
  max-width:760px;
}
.cat-hero .lead{
  margin-top:18px;
  max-width:640px;
  color:#C6C0DC;
  font-size:16px;
  line-height:1.8;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.fact-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
  color:#EDE7FE;
  font-size:13px;
  font-variant-numeric:tabular-nums;
}
.fact-pill i{color:var(--amber);font-size:13px;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section.tight{padding-top:56px;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  padding-left:16px;
  position:relative;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.sec-head p{
  margin-top:12px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
  padding-left:16px;
}

/* ============ 按钮 ============ */
.btn-app{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-amber{
  background:var(--amber);
  color:#3A2500;
  box-shadow:0 6px 16px rgba(255,164,27,.28);
}
.btn-amber:hover{
  background:#F09612;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(255,164,27,.34);
  color:#3A2500;
}
.btn-primary-app{
  background:var(--brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(108,59,244,.24);
}
.btn-primary-app:hover{
  background:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(108,59,244,.30);
}
.btn-outline-app{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-outline-app:hover{
  background:var(--brand-light);
  color:var(--brand-dark);
  transform:translateY(-2px);
}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(255,255,255,.62);
  color:#fff;
}
.btn-ghost-light:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
}
.btn-app:active{transform:translateY(1px);}
.btn-app:disabled{opacity:.6;pointer-events:none;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.btn-text i{transition:transform .2s ease;font-size:12px;}
.btn-text:hover{color:var(--brand-dark);}
.btn-text:hover i{transform:translateX(4px);}

/* ============ 步骤流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  top:22px;
  left:9%;
  right:9%;
  border-top:2px dashed #D9D3EE;
  z-index:0;
}
.step{
  position:relative;
  z-index:1;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-dot{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  font-weight:700;
  font-size:16px;
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  box-shadow:0 6px 14px rgba(108,59,244,.28);
}
.step:nth-child(2) .step-dot{background:var(--brand-dark);}
.step:nth-child(3) .step-dot{background:var(--brand);}
.step:nth-child(4) .step-dot{background:var(--brand-dark);}
.step h3{
  font-size:19px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:8px;
}
.step p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  margin:0;
}
.step-meta{
  display:inline-block;
  margin-top:14px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--mint-light);
  color:#0B7A6B;
  font-size:12px;
  font-weight:600;
}

/* ============ 对比区 ============ */
.compare{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare-row{
  display:grid;
  grid-template-columns:1.05fr 1fr 1fr;
}
.compare-row + .compare-row{border-top:1px solid var(--line);}
.compare-cell{
  padding:20px 22px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  border-left:1px solid var(--line);
}
.compare-cell:first-child{
  border-left:0;
  background:#FAF9FE;
  color:var(--text);
  font-weight:600;
  font-size:14px;
}
.compare-head .compare-cell{
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:700;
  font-size:15px;
  padding:18px 22px;
}
.compare-head .compare-cell:first-child{
  background:var(--brand-light);
  color:var(--brand-dark);
}
.compare-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-2);
  display:flex;
  align-items:flex-start;
  gap:8px;
}
.compare-note i{color:var(--brand);margin-top:5px;}

/* ============ 图文分栏 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.split-media:hover img{transform:scale(1.03);}
.sticker{
  position:absolute;
  left:16px;
  top:16px;
  padding:6px 12px;
  border-radius:9px;
  background:var(--amber);
  color:#3A2500;
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
}
.split-body h2{
  font-size:28px;
  font-weight:700;
  line-height:1.35;
  padding-left:16px;
  position:relative;
  margin-bottom:16px;
}
.split-body h2::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.split-body > p{
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.check-list{margin:22px 0 26px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--text);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{
  margin-top:5px;
  color:var(--mint);
  font-size:14px;
  flex:0 0 auto;
}
.check-list span{color:var(--text-2);}

/* ============ 卡片网格 ============ */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card-app{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  height:100%;
}
.card-app:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card-app .ico{
  width:46px;height:46px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-light);
  color:var(--brand);
  font-size:18px;
  margin-bottom:16px;
}
.card-app.accent .ico{background:var(--mint-light);color:#0B7A6B;}
.card-app h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:8px;
  line-height:1.4;
}
.card-app p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  margin:0;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
}
.tag.mint{background:var(--mint-light);color:#0B7A6B;}
.tag.amber{background:var(--amber-light);color:#8A5600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  margin-bottom:10px;
  background:#fff;
}
.accordion-button{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  border:0;
  text-align:left;
  box-shadow:none;
}
.accordion-button:not(.collapsed){
  color:var(--brand-dark);
  background:#fff;
  box-shadow:inset 4px 0 0 0 var(--brand);
}
.accordion-button:focus{
  box-shadow:0 0 0 3px rgba(108,59,244,.22);
  z-index:2;
}
.accordion-button::after{display:none;}
.accordion-button .toggle{
  margin-left:auto;
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:16px;
  font-weight:700;
  line-height:26px;
  text-align:center;
}
.accordion-button:not(.collapsed) .toggle{
  background:var(--brand);
  color:#fff;
}
.accordion-body{
  padding:4px 20px 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ CTA 区 ============ */
.cta-band{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:72px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(26,18,48,.72);
}
.cta-inner{
  position:relative;
  z-index:1;
  max-width:760px;
}
.cta-inner h2{
  color:#fff;
  font-size:30px;
  font-weight:700;
  line-height:1.35;
}
.cta-inner p{
  margin-top:14px;
  color:#D6D0EA;
  font-size:15.5px;
  line-height:1.85;
  max-width:620px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:26px;
  color:#BDB6D6;
  font-size:13.5px;
}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:var(--mint);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#B9B3CE;
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.brand-block{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.brand-mark{
  width:42px;height:42px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-size:18px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;}
.brand-name{
  color:#fff;
  font-size:16px;
  font-weight:800;
  line-height:1.4;
}
.brand-slogan{
  color:#8C86A6;
  font-size:12px;
  margin-top:2px;
}
.footer-brand p{
  color:#9A93B5;
  font-size:13.5px;
  line-height:1.85;
  max-width:320px;
  margin:0;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  color:#B9B3CE;
  font-size:13.5px;
}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:#9A93B5;
  font-size:13.5px;
  line-height:1.7;
}
.footer-contact i{
  color:var(--mint);
  margin-top:5px;
  font-size:13px;
  flex:0 0 auto;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  color:#7C7695;
  font-size:13px;
}
.footer-bottom .dot{color:#4E4868;}

/* ============ 响应式 ============ */
@media (min-width:992px){
  body{padding-left:var(--sidebar-w);padding-top:0;}
  .side-nav{display:flex;}
  .mobile-bar{display:none;}
}
@media (min-width:1400px){
  .wrap{max-width:1320px;}
}
@media (max-width:1199px){
  .split{gap:40px;}
  .split-body h2{font-size:25px;}
}
@media (max-width:991px){
  .section{padding:56px 0;}
  .cat-hero{padding:36px 0 40px;}
  .cat-hero h1{font-size:32px;}
  .sec-head h2{font-size:24px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-row{grid-template-columns:1fr 1fr 1fr;}
  .compare-cell{padding:16px 14px;font-size:13.5px;}
  .cta-inner h2{font-size:25px;}
  .split-body h2{font-size:23px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .cat-hero h1{font-size:28px;line-height:1.3;}
  .cat-hero .lead{font-size:15px;}
  .sec-head h2{font-size:22px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .grid-3{grid-template-columns:1fr;}
  .compare{
    overflow-x:auto;
  }
  .compare-row{
    grid-template-columns:120px 1fr 1fr;
    min-width:560px;
  }
  .compare-cell{font-size:13px;padding:14px 12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-app{width:100%;}
  .cta-inner h2{font-size:22px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .section{padding:44px 0;}
  .cat-hero h1{font-size:26px;}
  .btn-app{width:100%;}
  .hero-facts{gap:8px;}
  .fact-pill{font-size:12px;padding:8px 12px;}
  .split-body h2{font-size:21px;}
  .check-list li{font-size:14px;}
}