/* roulang page: index */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E3FA8;
  --brand-deep:#10224A;
  --brand-soft:#EFF4FE;
  --brand-soft2:#F2F6FD;
  --teal:#0FB5A6;
  --amber:#F0A93B;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --ink:#0F172A;
  --text:#475569;
  --muted:#94A3B8;
  --line:#E3EAF5;
  --line-soft:#E6EDF7;
  --danger:#D64545;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,42,92,.04);
  --sh-2:0 10px 28px rgba(18,42,92,.07);
  --sh-3:0 16px 40px rgba(18,42,92,.12);
  --max:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .15s ease-out;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.25;}
h2{font-size:clamp(24px,3vw,31px);font-weight:700;line-height:1.35;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:2px;border-radius:6px;}

.container-x{max-width:var(--max);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--soft{background:var(--brand-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section-desc{margin-top:14px;font-size:16px;color:var(--text);}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-md);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .15s ease-out,box-shadow .15s ease-out,transform .15s ease-out,color .15s ease-out;
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.22);}
.btn-primary-x:hover{background:#2760d8;color:#fff;box-shadow:0 10px 26px rgba(47,111,237,.3);}
.btn-primary-x:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(47,111,237,.4);}
.btn-ghost:hover{background:var(--brand-soft2);color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm-x{padding:10px 18px;font-size:14px;border-radius:10px;}
.btn-text{background:none;border:none;color:var(--brand);font-weight:600;padding:6px 0;font-size:15px;}
.btn-text:hover{color:var(--brand-dark);}

/* 活动条 */
.promo-bar{background:var(--brand-soft);border-bottom:1px solid var(--line);}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:6px 0;font-size:13px;color:var(--text);}
.promo-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.promo-tag{background:#fff;color:var(--brand-dark);font-weight:600;border-radius:var(--r-pill);padding:2px 10px;border:1px solid var(--line);}
.countdown{display:inline-flex;align-items:center;gap:3px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;font-size:14px;letter-spacing:.02em;}
.promo-right{display:flex;align-items:center;gap:14px;}
.promo-right a{color:var(--brand-dark);font-weight:600;}
.promo-close{background:none;border:none;color:var(--muted);font-size:18px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:6px;}
.promo-close:hover{color:var(--ink);background:#fff;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1040;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .18s ease-out;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,42,92,.08);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);}
.brand:hover{color:var(--brand);}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand);position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;width:12px;height:12px;border-radius:4px;background:var(--teal);right:5px;bottom:5px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link-x{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);border-radius:10px;
}
.nav-link-x:hover{color:var(--brand);background:var(--brand-soft2);}
.nav-link-x.active{color:var(--brand);font-weight:600;}
.nav-link-x.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);}
.nav-cta-wrap{display:flex;align-items:center;gap:10px;}
.badge-hot{font-size:12px;font-weight:700;color:#8a5a06;background:rgba(240,169,59,.18);border:1px solid rgba(240,169,59,.45);border-radius:var(--r-pill);padding:3px 10px;}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.offcanvas.offcanvas-x{width:320px;border-left:1px solid var(--line);}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-x .offcanvas-body{padding:16px 20px 24px;display:flex;flex-direction:column;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{display:block;padding:13px 14px;border-radius:var(--r-md);font-size:16px;font-weight:500;color:var(--ink);}
.drawer-links a:hover{background:var(--brand-soft2);color:var(--brand);}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.drawer-foot .btn-x{width:100%;}

/* Hero */
.hero{padding:72px 0 88px;background:linear-gradient(180deg,#FBFCFE 0%,#F7F9FC 100%);overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;font-size:13px;font-weight:600;color:var(--brand-dark);margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;}
.hero-title{margin-bottom:18px;}
.hero-sub{font-size:18px;color:var(--text);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.stat-num{font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-media{position:relative;}
.hero-media img{border-radius:var(--r-lg);box-shadow:var(--sh-2);aspect-ratio:4/3;object-fit:cover;width:100%;}
.float-card{
  position:absolute;left:-26px;bottom:32px;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:16px 18px;min-width:200px;
}
.float-card .fc-label{font-size:12px;color:var(--muted);font-weight:600;}
.float-card .fc-value{font-size:18px;font-weight:700;color:var(--ink);margin-top:2px;}
.float-card .fc-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;}
.chip{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);}
.chip-teal{background:rgba(15,181,166,.12);color:#0a8377;}

/* 表格 */
.table-scroll{overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-1);}
table.benefit-table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px;}
.benefit-table th,.benefit-table td{padding:16px 18px;font-size:15px;text-align:center;border-bottom:1px solid #EEF2F9;}
.benefit-table thead th{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;font-size:15px;position:relative;}
.benefit-table thead th:first-child,.benefit-table tbody td:first-child{text-align:left;}
.benefit-table tbody td:first-child{font-weight:600;color:var(--ink);}
.benefit-table tbody tr:last-child td{border-bottom:none;}
.benefit-table tbody tr:hover td{background:#FAFCFF;}
.col-featured{background:#F5F9FF;}
.benefit-table tbody tr:hover td.col-featured{background:#EFF6FF;}
.th-badge{display:inline-block;margin-left:6px;font-size:11px;font-weight:700;color:#fff;background:var(--brand);border-radius:var(--r-pill);padding:2px 8px;vertical-align:middle;}
.ico-yes{color:var(--teal);font-weight:700;}
.ico-no{color:#C7D2E0;font-weight:700;}

/* 等级卡 */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end;}
.tier-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.tier-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.tier-card .bar{height:6px;background:var(--brand-soft);}
.tier-card:nth-child(2) .bar{background:#BBD2F8;}
.tier-card:nth-child(3) .bar{background:var(--brand);}
.tier-card:nth-child(4) .bar{background:var(--brand-dark);}
.tier-body{padding:26px 22px 28px;display:flex;flex-direction:column;flex:1;}
.tier-name{font-size:17px;font-weight:700;color:var(--ink);}
.tier-price{margin:14px 0 4px;font-size:34px;font-weight:700;color:var(--brand-dark);line-height:1;font-variant-numeric:tabular-nums;}
.tier-price span{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px;}
.tier-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.tier-list li{display:flex;gap:9px;font-size:14px;color:var(--text);line-height:1.6;}
.tier-list li::before{content:"✓";color:var(--teal);font-weight:700;flex:0 0 auto;}
.tier-body .btn-x{margin-top:auto;}
.tier-card.recommend{border-color:rgba(47,111,237,.45);transform:scale(1.02);box-shadow:var(--sh-2);}
.tier-card.recommend:hover{transform:scale(1.02) translateY(-2px);}
.reco-flag{position:absolute;}
.tier-flag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);border:1px solid rgba(47,111,237,.3);border-radius:var(--r-pill);padding:2px 10px;margin-bottom:12px;}
.tier-card.recommend .tier-flag{color:#fff;background:var(--brand);border-color:var(--brand);}

/* 内容预览 */
.content-layout{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start;}
.filter-panel{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1);}
.filter-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;margin-bottom:12px;}
.filter-chips{display:flex;flex-direction:column;gap:8px;}
.filter-chip{
  display:block;padding:10px 14px;border-radius:10px;font-size:14px;font-weight:500;
  color:var(--text);border:1px solid transparent;background:#F8FAFD;
}
.filter-chip:hover{background:var(--brand-soft2);color:var(--brand);}
.filter-chip.active{background:var(--brand-soft);color:var(--brand-dark);border-color:rgba(47,111,237,.3);font-weight:600;}
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.content-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.content-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.cover-wrap{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.cover-wrap img{width:100%;height:100%;object-fit:cover;}
.badge-lock{
  position:absolute;top:10px;right:10px;font-size:12px;font-weight:700;color:#fff;
  background:var(--teal);border-radius:var(--r-pill);padding:3px 10px;
}
.card-body-x{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.card-title-x{
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:50px;
}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid #F1F5FA;font-size:13px;color:var(--muted);}
.lock-ico{display:inline-flex;align-items:center;gap:5px;color:#B7C3D4;}

/* 反馈 */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.proof-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.proof-stat{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);}
.proof-stat .n{font-size:30px;font-weight:700;color:var(--brand-dark);line-height:1.1;font-variant-numeric:tabular-nums;}
.proof-stat .l{font-size:13px;color:var(--muted);margin-top:6px;}
.quote{background:#fff;border:1px solid var(--line-soft);border-left:3px solid var(--brand);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1);margin-bottom:16px;}
.quote p{font-size:15px;color:var(--text);}
.quote .who{margin-top:12px;font-size:13px;color:var(--muted);font-weight:600;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:grid;grid-template-columns:40% 60%;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.news-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.news-cover{position:relative;background:var(--brand-soft);min-height:180px;}
.news-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.news-body{padding:20px 22px;display:flex;flex-direction:column;}
.news-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);border-radius:var(--r-pill);padding:2px 10px;margin-bottom:10px;}
.news-title{
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a{color:inherit;}
.news-title a:hover{color:var(--brand);}
.news-sum{
  margin-top:10px;font-size:14px;color:var(--text);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;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);}
.news-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13px;color:var(--brand);}
.news-more:hover{color:var(--brand-dark);}
.empty-box{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-box .ico{font-size:30px;color:var(--muted);}
.empty-box p{margin:14px 0 18px;color:var(--text);}

/* FAQ */
.faq-acc{border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-1);}
.faq-acc .accordion-item{border:none;border-bottom:1px solid #EEF2F9;background:#fff;}
.faq-acc .accordion-item:last-child{border-bottom:none;}
.faq-acc .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:20px 56px 20px 22px;box-shadow:none;border-radius:0;position:relative;
}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--muted);line-height:1;transition:transform .15s ease-out,color .15s ease-out;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:#FBFCFE;}
.faq-acc .accordion-button:not(.collapsed)::before{content:"−";color:var(--brand);transform:translateY(-50%) rotate(180deg);}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"";display:block;position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);
}
.faq-acc .accordion-button:focus{box-shadow:inset 0 0 0 3px rgba(47,111,237,.2);}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text);line-height:1.85;}

/* CTA */
.cta-band{background:var(--brand-soft);border-top:1px solid var(--line);}
.cta-inner{padding:84px 0;text-align:center;}
.cta-inner h2{color:var(--brand-deep);}
.cta-points{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 28px;margin:26px 0 30px;}
.cta-points li{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--text);font-weight:500;}
.cta-points li::before{content:"✓";color:var(--teal);font-weight:700;}
.pay-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pay-badge{font-size:12px;font-weight:600;color:var(--brand-dark);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;}
.assure{margin-top:16px;font-size:13px;color:var(--muted);}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:#C6D2E6;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9FB0CC;max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#9FB0CC;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8B9DBB;}
.back-top{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:var(--r-pill);padding:7px 16px;font-size:13px;cursor:pointer;transition:background-color .15s ease-out;}
.back-top:hover{background:rgba(255,255,255,.2);}

@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .content-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .nav-links,.nav-cta-wrap .btn-x,.nav-cta-wrap .badge-hot{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:52px 0 64px;}
  .hero-media img{aspect-ratio:16/10;}
  .float-card{left:16px;bottom:16px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);align-items:stretch;}
  .tier-card.recommend{transform:none;}
  .tier-card.recommend:hover{transform:translateY(-2px);}
  .content-layout{grid-template-columns:1fr;gap:24px;}
  .filter-chips{flex-direction:row;flex-wrap:wrap;}
  .filter-chip{padding:8px 14px;}
  .proof-grid{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container-x{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hero-stats{grid-template-columns:1fr;gap:16px;}
  .tier-grid{grid-template-columns:1fr;}
  .content-grid{grid-template-columns:1fr;}
  .news-card{grid-template-columns:1fr;}
  .news-cover{min-height:0;aspect-ratio:16/9;position:relative;}
  .news-cover img{position:static;aspect-ratio:16/9;}
  .proof-stats{grid-template-columns:1fr;}
  .cta-inner{padding:60px 0;}
  .promo-right .rules-link{display:none;}
  .footer-top{grid-template-columns:1fr;padding:48px 0 32px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E3FA8;
  --brand-ink:#10224A;
  --brand-soft:#EFF4FE;
  --brand-soft-2:#F2F6FD;
  --teal:#0FB5A6;
  --amber:#F0A93B;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --text:#0F172A;
  --body:#475569;
  --muted:#94A3B8;
  --line:#E3EAF5;
  --line-soft:#E6EDF7;
  --danger:#D64545;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,42,92,.04);
  --sh-2:0 10px 28px rgba(18,42,92,.07);
  --sh-3:0 16px 40px rgba(18,42,92,.12);
  --sec:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 / 标签 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .16s ease-out;
  white-space:nowrap;
}
.btn-x-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-x-primary:hover{background:#2A64D6;color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-x-primary:active{transform:translateY(0)}
.btn-x-ghost{background:#fff;color:var(--brand);border-color:#C9D9FA}
.btn-x-ghost:hover{background:var(--brand-soft-2);color:var(--brand-dark);border-color:var(--brand)}
.btn-x-quiet{background:transparent;color:var(--brand);padding:8px 4px;font-weight:600}
.btn-x-quiet:hover{color:var(--brand-dark)}
.btn-x-sm{padding:9px 18px;font-size:14px;border-radius:10px}

.chip-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--body);
  transition:all .16s ease-out;
}
.chip-x:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft-2)}
.chip-x.is-on{background:var(--brand);border-color:var(--brand);color:#fff}

.badge-teal{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(15,181,166,.12);color:#0A8C80;
  font-size:12.5px;font-weight:600;
}
.badge-amber{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(240,169,59,.16);color:#A76A0C;
  font-size:12.5px;font-weight:600;
}
.badge-plain{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}

/* ============ 顶部活动条 ============ */
.promo-bar{
  background:var(--brand-soft);
  border-bottom:1px solid #E1EAFC;
  font-size:13.5px;
}
.promo-inner{
  height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.promo-left{display:flex;align-items:center;gap:10px;color:#2C4A80;min-width:0}
.promo-left .promo-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.promo-tag{
  background:var(--amber);color:#fff;font-size:12px;font-weight:700;
  padding:2px 8px;border-radius:var(--r-pill);
}
.countdown{display:inline-flex;align-items:center;gap:3px}
.cd-num{
  font-variant-numeric:tabular-nums;font-weight:700;color:#C1730B;
  background:#fff;border-radius:6px;padding:2px 6px;min-width:28px;text-align:center;
  border:1px solid #F5E1C0;
}
.cd-sep{color:#C1730B;font-weight:700}
.promo-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.promo-link{color:#2C4A80;font-weight:600}
.promo-link:hover{color:var(--brand)}
.promo-close{
  border:0;background:transparent;color:#5C7AAD;font-size:20px;line-height:1;
  cursor:pointer;padding:2px 6px;border-radius:6px;
}
.promo-close:hover{background:#DFE9FC;color:var(--brand-dark)}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(18,42,92,.08)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:19px;letter-spacing:.2px}
.brand:hover{color:var(--brand-dark)}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:var(--brand);
  position:relative;flex:0 0 auto;
  box-shadow:0 4px 12px rgba(47,111,237,.28);
}
.brand-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;width:9px;height:9px;
  background:var(--teal);border-radius:3px;
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link-x{
  position:relative;
  padding:8px 14px;border-radius:10px;
  color:var(--body);font-size:15px;font-weight:500;
  transition:all .16s ease-out;
}
.nav-link-x:hover{color:var(--brand);background:var(--brand-soft-2)}
.nav-link-x.active{color:var(--brand);font-weight:600}
.nav-link-x.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:3px;
  background:var(--brand);border-radius:3px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:17px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* 移动抽屉 */
.nav-drawer{width:320px !important;border:0}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 22px}
.nav-drawer .offcanvas-body{padding:18px 22px;display:flex;flex-direction:column;gap:6px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;color:var(--text);font-size:15.5px;font-weight:500;
  border:1px solid transparent;
}
.drawer-link:hover{background:var(--brand-soft-2);color:var(--brand)}
.drawer-link.active{background:var(--brand-soft);color:var(--brand);font-weight:600;border-color:#D9E5FC}
.drawer-cta{padding:16px 22px 24px;border-top:1px solid var(--line-soft)}
.drawer-cta .btn-x{width:100%}

/* ============ 面包屑 ============ */
.crumb-band{background:#fff;border-bottom:1px solid var(--line-soft)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:18px 0;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--body)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C7D3E6}
.crumb .now{color:var(--text);font-weight:500;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章布局 ============ */
.article-wrap{padding:56px 0 var(--sec)}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 264px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0;max-width:820px}

.article-head{padding-bottom:28px;border-bottom:1px solid var(--line-soft);margin-bottom:32px}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.32;
  letter-spacing:-.3px;
  margin-bottom:20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;color:var(--muted);font-size:13.5px}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row i{color:#9FB2CC;font-size:13px}
.meta-row .cat-link{color:var(--brand);font-weight:600}

.article-cover{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-soft);
  box-shadow:var(--sh-1);margin-bottom:32px;background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover}
.article-cover figcaption{padding:10px 16px;font-size:13px;color:var(--muted);border-top:1px solid #F1F5FB}

/* 正文排版 */
.article-body{font-size:17px;line-height:1.9;color:var(--body)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  font-size:23px;color:var(--text);font-weight:700;
  margin:44px 0 16px;padding-left:16px;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:.9em;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;color:var(--text);margin:32px 0 12px}
.article-body h4{font-size:17px;color:var(--text);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--teal);
}
.article-body ol{counter-reset:li;list-style:none}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body a{color:var(--brand);font-weight:500;border-bottom:1px solid #C9D9FA}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body strong{color:var(--text);font-weight:600}
.article-body img{border-radius:var(--r-md);margin:8px 0 12px}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:#33507F;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;font-size:15px}
.article-body thead th{
  background:var(--brand-soft);color:var(--brand-dark);font-weight:600;
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid #EEF2F9;color:var(--body)}
.article-body tbody tr:hover{background:#FAFCFF}
.article-body code{
  background:#F1F5FB;color:#274B8F;padding:2px 6px;border-radius:6px;font-size:14.5px;
}
.article-body pre{
  background:#0F1E3D;color:#D6E2F8;padding:18px 20px;border-radius:12px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:22px 0;
}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:34px 0}

.article-empty{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.article-empty h2{font-size:20px;margin-bottom:8px}
.article-empty p{color:var(--muted);font-size:14.5px;margin-bottom:20px}

/* 目录 */
.toc-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:20px 22px;
}
.toc-card h2{font-size:14.5px;letter-spacing:.4px;color:var(--text);margin-bottom:12px}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;color:var(--body);
  line-height:1.5;border-left:2px solid transparent;
}
.toc-list a:hover{background:var(--brand-soft-2);color:var(--brand)}
.toc-list a.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;border-left-color:var(--brand)}
.toc-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--muted)}
.toc-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.toc-mobile{display:none;margin-bottom:28px}
.toc-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:14px 18px;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;
}
.toc-toggle i{transition:transform .18s ease-out;color:var(--brand)}
.toc-toggle[aria-expanded="true"] i{transform:rotate(180deg)}
.toc-mobile-body{background:#fff;border:1px solid var(--line-soft);border-top:0;border-radius:0 0 var(--r-md) var(--r-md);padding:12px}

.side-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{font-size:16px;margin-bottom:10px}
.side-card p{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.side-card .btn-x{width:100%}
.side-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed #EDF2FA;font-size:13.5px}
.side-list li:last-child{border-bottom:0}
.side-list .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:9px;flex:0 0 auto}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line-soft)}
.tag-row .label{font-size:13.5px;color:var(--muted);margin-right:2px}

/* 上下篇 */
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.pager-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:20px 22px;transition:all .16s ease-out;
}
.pager-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#D6E3FA}
.pager-card .k{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.pager-card .t{font-size:15.5px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager-card:hover .t{color:var(--brand)}
.pager-card.next{text-align:right}
.pager-card.next .k{justify-content:flex-end}

/* 相关推荐 */
.related-sec{margin-top:64px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.sec-head h2{font-size:24px}
.sec-head p{font-size:14px;color:var(--muted);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:all .16s ease-out;
}
.rel-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px)}
.rel-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rel-card:hover .rel-cover img{transform:scale(1.04)}
.rel-cover .badge-teal{position:absolute;top:12px;right:12px;background:#fff;color:#0A8C80}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body .desc{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid #F1F5FB;font-size:13px;color:var(--muted)}
.rel-foot .arrow{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}

.back-list{display:flex;justify-content:center;margin-top:44px}

/* 转化带 */
.cta-band{background:var(--brand-soft);padding:76px 0;margin-top:var(--sec)}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:30px;color:var(--brand-dark);line-height:1.35;margin-bottom:16px}
.cta-points{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px;margin-bottom:28px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:#2C4A80}
.cta-points i{color:var(--teal)}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.pay-badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.pay-badges span{
  background:#fff;border:1px solid #D9E5FC;border-radius:var(--r-pill);
  padding:5px 14px;font-size:12.5px;color:#3C5B93;
}
.cta-note{font-size:13px;color:#5A77A8}

/* 页脚 */
.site-footer{background:var(--brand-ink);color:#C6D3EA;padding:72px 0 0;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-mark{background:#3E7BF0}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB2D4;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#9FB2D4;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding:22px 0 28px;font-size:13px;color:#8FA5C8;
}
.back-top{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#DCE6F8;
  padding:8px 16px;border-radius:var(--r-pill);font-size:13px;cursor:pointer;
  transition:all .16s ease-out;
}
.back-top:hover{background:#3E7BF0;border-color:#3E7BF0;color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links{gap:0}
  .nav-link-x{padding:8px 10px;font-size:14.5px}
  .article-grid{gap:40px}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .nav-links{display:none}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .toc-sticky{display:none}
  .toc-mobile{display:block}
  .article-main{max-width:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:64px 0}
}
@media (max-width:767.98px){
  .article-wrap{padding:36px 0 72px}
  .rel-grid{grid-template-columns:1fr}
  .pager-grid{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .pager-card.next .k{justify-content:flex-start}
  .cta-inner h2{font-size:24px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:20.5px}
  .promo-left .promo-text{display:none}
}
@media (max-width:575.98px){
  .container-x{padding:0 20px}
  .header-inner{height:64px;gap:12px}
  .brand{font-size:17px}
  .section-pad{padding:56px 0}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-head h1{font-size:24px}
  .meta-row{gap:8px 12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E3FA8;
  --brand-deep:#10224A;
  --brand-soft:#EFF4FE;
  --brand-soft-2:#F2F6FD;
  --teal:#0FB5A6;
  --warm:#F0A93B;
  --danger:#D64545;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --ink:#0F172A;
  --text:#475569;
  --muted:#94A3B8;
  --line:#E3EAF5;
  --line-soft:#EEF2F9;
  --card-line:#E6EDF7;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-full:999px;
  --sh-1:0 2px 8px rgba(18,42,92,.04);
  --sh-2:0 10px 28px rgba(18,42,92,.07);
  --sh-3:0 16px 40px rgba(18,42,92,.12);
  --sp-section:96px;
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-dark);}
button{font:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,31px);}
h3{font-size:21px;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 容器与通用 ============ */
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-soft{background:var(--brand-soft);}
.section-white{background:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);text-transform:none;
  background:var(--brand-soft);
  border:1px solid #DCE7FB;
  border-radius:var(--r-full);
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);display:inline-block;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--text);}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-m);
  padding:12px 24px;
  font-size:15.5px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary-x:hover{background:#2A63D6;color:#fff;box-shadow:var(--sh-2);}
.btn-primary-x:active{transform:translateY(1px);}
.btn-ghost-x{background:#fff;color:var(--brand);border-color:#C7D9FB;}
.btn-ghost-x:hover{background:var(--brand-soft-2);color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost-x:active{transform:translateY(1px);}
.btn-sm-x{padding:9px 18px;font-size:14.5px;border-radius:10px;}
.btn-link-x{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-link-x:hover{color:var(--brand-dark);}
.btn-link-x .arrow{transition:transform var(--ease);}
.btn-link-x:hover .arrow{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:var(--r-full);
  background:var(--brand-soft);color:var(--brand-dark);
  border:1px solid #DCE7FB;
}
.tag-teal{background:rgba(15,181,166,.1);color:#0A8578;border-color:rgba(15,181,166,.22);}
.tag-warm{background:rgba(240,169,59,.14);color:#96650F;border-color:rgba(240,169,59,.3);}
.tag-grey{background:#F4F7FB;color:#64748B;border-color:var(--line);}

/* ============ 顶部活动条 ============ */
.promo-bar{
  background:var(--brand-soft);
  border-bottom:1px solid #DDE8FB;
  min-height:40px;
  display:flex;align-items:center;
}
.promo-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:#3B4F70;
  min-height:40px;
}
.promo-count{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.promo-label{font-weight:600;color:var(--brand-dark);}
.count-num{
  font-variant-numeric:tabular-nums;
  font-weight:700;color:#B87A16;letter-spacing:.06em;
  background:#fff;border:1px solid #EBD6AF;border-radius:8px;
  padding:1px 9px;
}
.promo-right{display:flex;align-items:center;gap:14px;}
.promo-right a{font-size:13.5px;color:#3B4F70;text-decoration:underline;text-underline-offset:3px;}
.promo-right a:hover{color:var(--brand-dark);}
.promo-close{
  background:none;border:0;color:#7A8CA8;font-size:18px;line-height:1;
  cursor:pointer;padding:2px 4px;border-radius:6px;
}
.promo-close:hover{color:var(--brand-dark);background:#fff;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(18,42,92,.08);}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:var(--brand);
  position:relative;flex:none;
  box-shadow:inset 0 0 0 3px #fff, 0 0 0 1px #D5E2FB;
}
.brand-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;
  width:8px;height:8px;border-radius:3px;background:var(--teal);
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link-x{
  position:relative;
  font-size:15.5px;font-weight:500;color:#3E4C63;
  padding:6px 0;
  transition:color var(--ease);
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-20px;height:3px;
  background:var(--brand);border-radius:3px 3px 0 0;
  transform:scaleX(0);transform-origin:center;
  transition:transform var(--ease);
}
.nav-link-x:hover{color:var(--brand);}
.nav-link-x:hover::after{transform:scaleX(.55);}
.nav-link-x.active{color:var(--brand);font-weight:600;}
.nav-link-x.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.badge-warm{
  font-size:12.5px;font-weight:600;color:#8F6212;
  background:rgba(240,169,59,.16);border:1px solid rgba(240,169,59,.32);
  border-radius:var(--r-full);padding:3px 10px;
}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);
  width:42px;height:42px;border-radius:var(--r-m);
  color:var(--ink);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* 移动端抽屉 */
.drawer{border-left:1px solid var(--line)!important;display:flex;flex-direction:column;}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.drawer .offcanvas-body{padding:18px 22px;display:flex;flex-direction:column;gap:6px;}
.drawer .nav-link-x{padding:12px 6px;border-bottom:1px solid var(--line-soft);display:block;}
.drawer .nav-link-x::after{display:none;}
.drawer .nav-link-x.active{background:var(--brand-soft);border-radius:10px;padding-left:12px;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}
.drawer-foot .btn-x{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb-x{
  padding:20px 0 0;
  font-size:14px;color:var(--muted);
}
.breadcrumb-x ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;}
.breadcrumb-x li{display:flex;align-items:center;gap:8px;}
.breadcrumb-x .sep{color:#C8D4E6;}
.breadcrumb-x a{color:#64748B;}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .current{color:var(--ink);font-weight:600;}

/* ============ 分类页头 ============ */
.cat-hero{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:32px 0 64px;
}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:56px;
  align-items:center;
}
.cat-hero h1{margin-bottom:18px;}
.cat-hero h1 .hl{color:var(--brand);}
.cat-lead{font-size:17px;line-height:1.85;color:var(--text);max-width:640px;}
.cat-hero-media{
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--card-line);
  box-shadow:var(--sh-2);
  aspect-ratio:16/10;
  background:var(--brand-soft);
}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;}
.cat-stats{
  display:flex;flex-wrap:wrap;gap:34px;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--line-soft);
}
.cat-stat b{
  display:block;font-size:26px;color:var(--ink);font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.cat-stat span{font-size:13.5px;color:var(--muted);}

/* chips */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-full);
  background:#fff;border:1px solid var(--line);
  font-size:14.5px;color:#41526B;font-weight:500;
  transition:all var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-1);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}
.chip .chip-dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7;}

/* ============ 权益对比表 ============ */
.table-wrap{
  background:#fff;
  border:1px solid var(--card-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.tier-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.tier-table{
  width:100%;min-width:860px;border-collapse:separate;border-spacing:0;
  font-size:15px;
}
table.tier-table th,table.tier-table td{
  padding:16px 20px;text-align:center;
  border-bottom:1px solid var(--line-soft);
  vertical-align:middle;
}
table.tier-table thead th{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:14.5px;font-weight:700;
  border-bottom:1px solid #DCE7FB;
  padding-top:20px;padding-bottom:20px;
}
table.tier-table thead th:first-child{
  text-align:left;border-top-left-radius:0;color:#41526B;
}
table.tier-table tbody th{
  text-align:left;font-weight:600;color:var(--ink);font-size:15px;
  background:#fff;
}
table.tier-table tbody td{color:var(--text);}
table.tier-table tbody tr:hover td,
table.tier-table tbody tr:hover th{background:#FAFCFF;}
table.tier-table tbody tr:last-child th,
table.tier-table tbody tr:last-child td{border-bottom:0;}
.col-rec{background:#F6F9FF!important;}
thead th.col-rec{background:#E4EDFE!important;color:var(--brand-dark);position:relative;}
.col-rec-top{
  display:block;font-size:12px;font-weight:700;color:#fff;
  background:var(--brand);border-radius:var(--r-full);
  padding:2px 10px;margin:0 auto 8px;width:fit-content;
}
.tier-price{font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.tier-price small{display:block;font-size:12.5px;font-weight:500;color:var(--muted);}
.mark-yes,.mark-no{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;}
.mark-yes{background:rgba(15,181,166,.12);color:#0A8578;}
.mark-no{background:#F2F5F9;color:#B6C2D2;}
.mark-yes svg,.mark-no svg{width:13px;height:13px;}
.cell-val{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink);}
.table-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;background:#FBFCFE;border-top:1px solid var(--line-soft);
  font-size:13.5px;color:var(--muted);
}
.table-foot .row-cta{display:flex;gap:10px;flex-wrap:wrap;}

/* ============ 等级说明卡 ============ */
.tier-cards{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  align-items:end;
}
.tier-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--card-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.tier-card .band{height:6px;width:100%;}
.band-1{background:#BBD1FA;}
.band-2{background:#7FA7F3;}
.band-3{background:var(--brand);}
.band-4{background:var(--brand-dark);}
.tier-card-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1;}
.tier-card h3{font-size:19px;margin-bottom:6px;}
.tier-card .tier-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.tier-card .big-price{
  font-size:34px;font-weight:700;color:var(--ink);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.tier-card .big-price span{font-size:15px;font-weight:500;color:var(--muted);margin-left:4px;}
.tier-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:11px;flex:1;}
.tier-list li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:14.5px;color:var(--text);line-height:1.6;
}
.tier-list svg{width:15px;height:15px;flex:none;margin-top:5px;color:var(--teal);}
.tier-card.featured{
  border-color:#C7D9FB;
  box-shadow:var(--sh-2);
  transform:scale(1.02);
}
.tier-card.featured:hover{transform:scale(1.02) translateY(-2px);}
.tier-card .rec-badge{
  position:absolute;top:14px;right:14px;
  font-size:12px;font-weight:700;color:#fff;
  background:var(--brand);border-radius:var(--r-full);
  padding:3px 11px;
}
.tier-card .btn-x{width:100%;}

/* ============ 使用节奏说明 ============ */
.notes-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.note-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-l);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.note-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.note-card .n-index{
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-s);
  display:inline-block;padding:3px 10px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.note-card h3{font-size:18px;margin-bottom:10px;}
.note-card p{font-size:15px;line-height:1.8;}

/* ============ 权益规则时间线 ============ */
.rule-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);
}
.rule-step{padding:26px 24px;border-right:1px solid var(--line-soft);}
.rule-step:last-child{border-right:0;}
.rule-step .step-no{
  font-size:13px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
  display:block;margin-bottom:10px;
}
.rule-step h3{font-size:17px;margin-bottom:8px;}
.rule-step p{font-size:14.5px;line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-x .accordion-item{
  border:1px solid var(--card-line);
  border-radius:var(--r-m)!important;
  background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-x .accordion-button{
  font-size:16.5px;font-weight:600;color:var(--ink);
  background:#fff;padding:20px 24px 20px 22px;
  border-radius:var(--r-m)!important;box-shadow:none!important;
  position:relative;
}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--brand);background:#fff;
}
.accordion-x .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.accordion-x .accordion-button::after{
  background-image:none;
  content:"+";
  font-size:20px;font-weight:500;color:var(--brand);
  width:26px;height:26px;line-height:24px;text-align:center;
  border:1px solid #D7E3F8;border-radius:50%;
  transition:transform var(--ease);
}
.accordion-x .accordion-button:not(.collapsed)::after{
  content:"−";transform:rotate(180deg);
  background:var(--brand-soft);
}
.accordion-x .accordion-button:focus{box-shadow:none;}
.accordion-x .accordion-body{
  padding:0 24px 22px 22px;font-size:15.5px;line-height:1.85;color:var(--text);
  border-top:1px solid var(--line-soft);padding-top:18px;
}

/* ============ 收尾 CTA ============ */
.cta-band{background:var(--brand-soft);padding:88px 0;}
.cta-inner{text-align:center;max-width:760px;margin:0 auto;}
.cta-inner h2{color:var(--brand-dark);margin-bottom:18px;}
.cta-points{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px 28px;
  margin:22px 0 30px;
}
.cta-points li{
  display:flex;align-items:center;gap:8px;
  font-size:15px;color:#33466A;font-weight:500;
}
.cta-points svg{width:16px;height:16px;color:var(--teal);}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}
.pay-badges{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  margin-top:26px;
}
.pay-badges span{
  font-size:13px;color:#41526B;background:#fff;
  border:1px solid #D8E3F6;border-radius:var(--r-s);
  padding:5px 12px;
}
.cta-note{margin-top:16px;font-size:13.5px;color:#65799C;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#B9C7E0;padding:72px 0 0;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{color:#fff;font-size:19px;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{box-shadow:inset 0 0 0 3px var(--brand-deep),0 0 0 1px rgba(255,255,255,.25);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#AEBDD8;max-width:340px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#B9C7E0;font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 28px;font-size:13.5px;color:#93A4C2;
}
.back-top{
  background:rgba(255,255,255,.08);color:#D7E1F2;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-s);
  padding:7px 14px;font-size:13.5px;cursor:pointer;
  transition:background var(--ease),color var(--ease);
}
.back-top:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:88px;}
  .container-x{padding:0 28px;}
  .nav-links{gap:22px;}
  .cat-hero-grid{gap:40px;}
}
@media (max-width:991px){
  :root{--sp-section:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .badge-warm{display:none;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{order:-1;}
  .tier-cards{grid-template-columns:repeat(2,1fr);gap:20px;align-items:stretch;}
  .tier-card.featured{transform:none;}
  .rule-strip{grid-template-columns:repeat(2,1fr);}
  .rule-step{border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
  .rule-step:nth-child(2n){border-right:0;}
  .rule-step:nth-child(n+3){border-bottom:0;}
  .notes-grid{grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container-x{padding:0 20px;}
  body{font-size:16px;}
  .cat-hero{padding:20px 0 48px;}
  .cat-lead{font-size:16px;}
  .cat-stats{gap:22px;}
  .section{padding:56px 0;}
  table.tier-table{min-width:720px;}
  table.tier-table th,table.tier-table td{padding:13px 14px;font-size:14.5px;}
  .tier-cards{grid-template-columns:1fr;}
  .notes-grid{grid-template-columns:1fr;}
  .rule-strip{grid-template-columns:1fr;}
  .rule-step{border-right:0!important;border-bottom:1px solid var(--line-soft)!important;}
  .rule-step:last-child{border-bottom:0!important;}
  .cta-band{padding:60px 0;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .header-inner{height:64px;}
  .brand{font-size:17px;}
  .promo-inner{font-size:12.5px;gap:10px;}
  .promo-right a{display:none;}
  .button-row{display:flex;flex-direction:column;width:100%;}
  .btn-x{width:100%;}
  .table-foot{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E3FA8;
  --brand-ink:#10224A;
  --brand-soft:#EFF4FE;
  --brand-soft-2:#F2F6FD;
  --teal:#0FB5A6;
  --amber:#F0A93B;
  --danger:#D64545;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --ink:#0F172A;
  --body:#475569;
  --muted:#94A3B8;
  --line:#E3EAF5;
  --line-2:#E6EDF7;
  --line-3:#EEF2F9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,42,92,.04);
  --sh-2:0 10px 28px rgba(18,42,92,.07);
  --sh-3:0 16px 40px rgba(18,42,92,.12);
  --sec-y:96px;
  --sec-y-md:72px;
  --sec-y-sm:56px;
  --ease:160ms ease-out;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.25}
h2{font-size:clamp(24px,2.6vw,31px)}
h3{font-size:21px;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec-y) 0}
.section-tight{padding:56px 0}
.section-soft{background:var(--brand-soft)}

/* ---------- header ---------- */
.promo-bar{
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.promo-bar.is-hidden{display:none}
.promo-inner{
  min-height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.promo-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.promo-tag{
  background:var(--amber);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:2px 9px;
  border-radius:var(--r-pill);
  letter-spacing:.5px;
}
.promo-text{color:var(--brand-dark);font-weight:500}
.countdown{display:inline-flex;align-items:center;gap:4px;color:var(--brand-ink);font-weight:600}
.countdown b{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 7px;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  font-weight:700;
}
.promo-right{display:flex;align-items:center;gap:14px}
.promo-right a{font-size:14px}
.promo-close{
  border:0;background:transparent;color:var(--muted);
  font-size:20px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:6px;
}
.promo-close:hover{color:var(--ink);background:#fff}

.site-header{position:sticky;top:0;z-index:1030}
.nav-wrap{background:#fff;border-bottom:1px solid var(--line-2);transition:box-shadow var(--ease)}
.nav-wrap.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-dark);font-weight:700;font-size:19px;letter-spacing:.2px}
.brand:hover{color:var(--brand-dark)}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:var(--brand);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 7px auto auto;width:9px;height:9px;
  background:var(--teal);border-radius:3px;
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link-x{
  position:relative;
  display:inline-block;
  padding:24px 12px;
  color:var(--body);
  font-size:15.5px;
  font-weight:500;
  white-space:nowrap;
}
.nav-link-x:hover{color:var(--brand)}
.nav-link-x.active{color:var(--brand);font-weight:600}
.nav-link-x.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;
  height:3px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-badge{
  background:#FFF4E2;color:#A6660F;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:var(--r-pill);border:1px solid #FBE1B9;
}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;border-radius:10px;
  width:42px;height:38px;color:var(--brand-dark);font-size:17px;cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-soft-2)}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);
  padding:12px 24px;
  font-size:16px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary-x:hover{background:#2A63D4;color:#fff;box-shadow:var(--sh-2)}
.btn-primary-x:active{transform:translateY(1px)}
.btn-ghost-x{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost-x:hover{background:var(--brand-soft-2);color:var(--brand-dark)}
.btn-sm-x{padding:9px 18px;font-size:14.5px;border-radius:10px}
.btn-link-x{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-link-x i{transition:transform var(--ease)}
.btn-link-x:hover i{transform:translateX(3px)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;font-size:14px}
.crumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--muted)}
.crumb-x a{color:var(--body)}
.crumb-x a:hover{color:var(--brand)}
.crumb-x li+li::before{content:"/";margin-right:8px;color:#C6D2E4}
.crumb-x li{display:inline-flex;align-items:center}

/* ---------- page hero ---------- */
.page-hero{padding:32px 0 0}
.hero-panel{
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.hero-panel-grid{display:grid;grid-template-columns:1.35fr 1fr;align-items:stretch}
.hero-copy{padding:44px 44px 40px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13.5px;font-weight:600;
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.page-hero h1{margin-bottom:16px}
.hero-sub{font-size:17px;color:var(--body);max-width:620px;margin-bottom:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.fact-chip{
  background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-md);
  padding:10px 16px;min-width:132px;
}
.fact-chip strong{display:block;color:var(--brand-dark);font-size:22px;font-weight:700;line-height:1.2}
.fact-chip span{font-size:13.5px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;min-height:320px;background:var(--brand-soft)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media-card{
  position:absolute;left:20px;bottom:20px;background:#fff;border:1px solid var(--line-2);
  border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);min-width:186px;
}
.hero-media-card strong{display:block;color:var(--ink);font-size:15px}
.hero-media-card span{font-size:13px;color:var(--muted)}

/* ---------- filter chips ---------- */
.filter-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 0 8px;flex-wrap:wrap;
}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-2);
  color:var(--body);font-size:14.5px;font-weight:500;
  transition:all var(--ease);
}
.chip:hover{border-color:#C9DAFB;color:var(--brand);background:var(--brand-soft-2)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.chip .count{font-size:12.5px;opacity:.75;font-variant-numeric:tabular-nums}
.filter-note{font-size:14px;color:var(--muted)}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-head p{color:var(--body);max-width:640px;margin-top:10px}
.sec-eyebrow{
  display:inline-block;color:var(--brand);font-size:13.5px;font-weight:700;
  letter-spacing:1.4px;text-transform:uppercase;margin-bottom:10px;
}

/* ---------- news horizontal cards ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.news-card{
  display:grid;grid-template-columns:40% 1fr;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.news-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#D8E4F8}
.news-thumb{position:relative;background:var(--brand-soft);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;min-height:210px;transition:transform 320ms ease-out}
.news-card:hover .news-thumb img{transform:scale(1.035)}
.news-cat{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:var(--r-pill);
}
.news-body{padding:22px 24px 20px;display:flex;flex-direction:column}
.news-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-excerpt{
  color:var(--body);font-size:15px;line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-3);
}
.news-meta .stamp{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.lv-tag{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);
}
.lv-tag.teal{background:#E5F7F5;color:#0A8578}

/* ---------- pagination ---------- */
.pager-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;padding-top:44px}
.pager{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}
.pager a,.pager span{
  min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);border:1px solid var(--line-2);background:#fff;
  color:var(--body);font-size:14.5px;font-weight:500;padding:0 14px;
  font-variant-numeric:tabular-nums;transition:all var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft-2)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .is-disabled{color:#C4CFE0;cursor:not-allowed}
.pager-wrap .pager-note{font-size:13.5px;color:var(--muted)}

/* ---------- topic ranking ---------- */
.topic-panel{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:8px 0;
}
.topic-item{
  display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:18px;
  padding:20px 28px;border-bottom:1px solid var(--line-3);
  transition:background-color var(--ease);
}
.topic-item:last-child{border-bottom:0}
.topic-item:hover{background:#FAFCFF}
.topic-rank{
  font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
  width:44px;height:44px;border-radius:var(--r-md);background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
}
.topic-main h3{font-size:17.5px;margin-bottom:4px}
.topic-main h3 a{color:var(--ink)}
.topic-main h3 a:hover{color:var(--brand)}
.topic-main p{font-size:14px;color:var(--muted)}
.topic-side{display:flex;align-items:center;gap:20px}
.topic-side .views{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.topic-side .views i{color:var(--brand);margin-right:5px}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-band-inner{
  display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;
  padding:72px 0;
}
.cta-band h2{color:var(--brand-dark);margin-bottom:14px}
.cta-band p{color:var(--body);max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin:22px 0 26px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand-dark);font-weight:500}
.cta-points i{color:var(--teal)}
.pay-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px}
.pay-chip{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-sm);
  font-size:13px;color:var(--body);padding:5px 12px;
}
.cta-guarantee{font-size:13.5px;color:var(--muted);margin-top:12px}
.cta-aside{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:28px 28px 26px;
}
.cta-aside h3{font-size:19px;margin-bottom:14px}
.cta-aside ul li{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 0;border-bottom:1px dashed var(--line-3);font-size:15px;color:var(--body);
}
.cta-aside ul li:last-child{border-bottom:0}
.cta-aside ul li i{color:var(--teal);margin-top:5px}
.cta-aside .btn-x{margin-top:18px;width:100%}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-ink);color:#B9C7E3;padding:64px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-mark{background:#4C86F5}
.footer-brand .brand-mark::after{background:var(--teal)}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#9FB2D6;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:#B9C7E3;font-size:14.5px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8FA3C8;
}
.back-top{
  background:transparent;border:1px solid rgba(255,255,255,.28);color:#DCE6F7;
  border-radius:var(--r-pill);padding:7px 18px;font-size:13.5px;cursor:pointer;
  transition:all var(--ease);
}
.back-top:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- offcanvas ---------- */
.offcanvas-x{width:320px}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line-2);padding:18px 22px}
.offcanvas-x .offcanvas-body{padding:14px 22px 22px;display:flex;flex-direction:column}
.drawer-link{
  display:block;padding:14px 4px;color:var(--ink);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line-3);
}
.drawer-link:hover,.drawer-link.active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:22px}

@media (max-width:1199px){
  .nav-link-x{padding:24px 9px;font-size:15px}
}
@media (max-width:991px){
  :root{--sec-y:var(--sec-y-md)}
  .nav-links,.nav-badge{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-panel-grid{grid-template-columns:1fr}
  .hero-media{min-height:260px;order:-1}
  .hero-copy{padding:32px 26px 30px}
  .news-grid{grid-template-columns:1fr}
  .cta-band-inner{grid-template-columns:1fr;padding:56px 0;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec-y:var(--sec-y-sm)}
  .container-x{padding:0 20px}
  .promo-text{font-size:13px}
  .promo-bar .promo-right a{display:none}
  .news-card{grid-template-columns:1fr}
  .news-thumb img{min-height:190px}
  .topic-item{grid-template-columns:40px 1fr;padding:16px 18px;gap:14px}
  .topic-side{grid-column:2;justify-content:space-between;margin-top:6px}
  .footer-top{grid-template-columns:1fr}
  .hero-facts{gap:10px}
  .fact-chip{flex:1 1 calc(50% - 5px);min-width:0}
}
@media (max-width:520px){
  body{font-size:16px}
  .hero-actions .btn-x{width:100%}
  .filter-row{align-items:flex-start}
  .topic-rank{width:38px;height:38px;font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E3FA8;
  --brand-ink:#10224A;
  --brand-light:#EFF4FE;
  --teal:#0FB5A6;
  --warm:#F0A93B;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --text:#0F172A;
  --body:#475569;
  --muted:#94A3B8;
  --line:#E3EAF5;
  --line-soft:#EEF2F9;
  --danger:#D64545;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,42,92,.04);
  --sh-2:0 10px 28px rgba(18,42,92,.07);
  --sh-3:0 16px 40px rgba(18,42,92,.12);
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .5em;color:var(--text);font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.3px;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .15s ease-out,background-color .15s ease-out;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:2px;border-radius:8px;}
.num{font-variant-numeric:tabular-nums;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 活动条 ---------- */
.promo-bar{
  background:var(--brand-light);
  border-bottom:1px solid #E1EAFB;
  font-size:14px;
}
.promo-inner{
  min-height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.promo-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.promo-tag{
  display:inline-flex;align-items:center;
  background:var(--warm);color:#3B2600;
  font-size:12px;font-weight:700;line-height:1;
  padding:4px 8px;border-radius:var(--r-sm);
}
.promo-text{color:var(--brand-dark);}
.countdown{display:inline-flex;align-items:center;gap:2px;font-weight:700;color:var(--brand-ink);}
.cd-num{
  display:inline-block;min-width:26px;text-align:center;
  background:#fff;border:1px solid #DCE5F2;border-radius:6px;
  color:#B7781C;padding:1px 4px;font-size:13px;
}
.cd-sep{color:var(--brand-dark);}
.promo-right{display:flex;align-items:center;gap:12px;font-size:14px;}
.promo-close{
  border:0;background:transparent;color:var(--brand-dark);
  font-size:18px;line-height:1;padding:2px 6px;border-radius:6px;
}
.promo-close:hover{background:#E1EAFB;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,42,92,.02);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,42,92,.08);}
.header-inner{
  min-height:72px;
  display:flex;align-items:center;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--brand-ink);
  letter-spacing:-.2px;white-space:nowrap;
}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:var(--brand);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:#fff;opacity:.9;
}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin-left:8px;flex:1 1 auto;
}
.nav-link-x{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 12px;
  font-size:15px;font-weight:500;color:#334155;
  border-radius:var(--r-sm);
  transition:color .15s ease-out,background-color .15s ease-out;
}
.nav-link-x:hover{color:var(--brand);background:#F2F6FD;}
.nav-link-x.active{color:var(--brand);font-weight:600;}
.nav-link-x.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:3px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.badge-warm{
  display:inline-flex;align-items:center;
  background:#FEF3E2;color:#A96A11;
  border:1px solid #F6DFB6;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 8px;border-radius:var(--r-pill);
}
.btn-primary-x{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;
  padding:12px 24px;border:1px solid var(--brand);
  border-radius:var(--r-md);
  transition:background-color .15s ease-out,box-shadow .15s ease-out,transform .15s ease-out;
}
.btn-primary-x:hover{background:#2A64D6;color:#fff;box-shadow:var(--sh-2);}
.btn-primary-x:active{transform:translateY(1px);}
.btn-ghost-x{
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--brand);
  font-size:15px;font-weight:600;
  padding:12px 24px;border:1px solid var(--brand);
  border-radius:var(--r-md);
  transition:background-color .15s ease-out,box-shadow .15s ease-out,transform .15s ease-out;
}
.btn-ghost-x:hover{background:#F2F6FD;color:var(--brand-dark);box-shadow:var(--sh-1);}
.btn-ghost-x:active{transform:translateY(1px);}
.btn-text-x{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;color:var(--brand);
  font-size:15px;font-weight:600;padding:6px 2px;
}
.btn-text-x:hover{color:var(--brand-dark);}
.header-actions .btn-primary-x{padding:10px 20px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-md);
  color:var(--brand-ink);font-size:18px;line-height:1;
}
.nav-toggle:hover{background:#F2F6FD;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:24px 0 0;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--muted);
}
.crumb a{color:var(--body);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#CBD5E1;}

/* ---------- 页面头部 ---------- */
.page-hero{padding:40px 0 8px;}
.page-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;line-height:1;
  padding:7px 12px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}
.page-hero h1{margin-bottom:14px;}
.page-hero .lead{
  font-size:17px;color:var(--body);max-width:640px;margin-bottom:24px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px;}
.stat-row{display:flex;gap:40px;flex-wrap:wrap;}
.stat-item .stat-num{
  font-size:30px;font-weight:700;color:var(--brand-ink);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat-item .stat-num span{font-size:16px;font-weight:600;color:var(--brand);margin-left:2px;}
.stat-item .stat-label{font-size:14px;color:var(--muted);}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  background:#fff;
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;right:16px;bottom:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:12px 14px;max-width:240px;
}
.hero-float strong{display:block;color:var(--brand-ink);font-size:14px;}
.hero-float small{color:var(--muted);font-size:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--body);}
.section-head .eyebrow{margin-bottom:12px;}

/* ---------- 筛选 chips ---------- */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:28px;
}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);
  color:var(--body);font-size:14px;font-weight:500;
  padding:9px 16px;border-radius:var(--r-pill);
  transition:all .15s ease-out;
}
.chip:hover{border-color:#C7D9FA;color:var(--brand);background:#F7FAFF;}
.chip.is-active{
  background:var(--brand);border-color:var(--brand);
  color:#fff;box-shadow:var(--sh-1);
}
.chip .chip-count{color:var(--muted);font-size:13px;}
.chip.is-active .chip-count{color:rgba(255,255,255,.75);}
.filter-note{font-size:14px;color:var(--muted);}
.filter-note strong{color:var(--brand-ink);font-variant-numeric:tabular-nums;}

/* ---------- 内容卡片墙 ---------- */
.content-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.content-card{
  background:var(--card);
  border:1px solid #E6EDF7;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.content-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
  border-color:#D6E2F6;
}
.card-cover{position:relative;background:#EAF0FB;}
.card-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card-flag{
  position:absolute;left:12px;top:12px;
  background:var(--teal);color:#fff;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:var(--r-pill);
}
.card-type{
  position:absolute;right:12px;top:12px;
  background:rgba(16,34,74,.78);color:#fff;
  font-size:12px;line-height:1;
  padding:6px 10px;border-radius:var(--r-pill);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{
  font-size:18px;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--body);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:14px;
  border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.level-tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:var(--r-sm);
  background:var(--brand-light);color:var(--brand-dark);
}
.level-tag.level-trial{background:#F1F5FB;color:#48607F;}
.level-tag.level-standard{background:#EAF1FE;color:#1E3FA8;}
.level-tag.level-pro{background:#E4F7F4;color:#0A7A70;}
.level-tag.level-flagship{background:#10224A;color:#fff;}
.lock-ico{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--muted);
}
.lock-ico::before{
  content:"";width:14px;height:14px;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a5 5 0 0 0-5 5v3H6a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8a2 2 0 0 0-2-2h-1V7a5 5 0 0 0-5-5zm3 8H9V7a3 3 0 0 1 6 0v3z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a5 5 0 0 0-5 5v3H6a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8a2 2 0 0 0-2-2h-1V7a5 5 0 0 0-5-5zm3 8H9V7a3 3 0 0 1 6 0v3z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.grid-empty{
  display:none;background:#fff;border:1px dashed #D6E2F6;
  border-radius:var(--r-lg);padding:40px 24px;text-align:center;color:var(--muted);
}

/* ---------- 内容形态（图文） ---------- */
.split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:56px;align-items:center;
}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:#fff;
}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover;}
.feature-list{display:grid;gap:18px;margin-top:24px;}
.feature-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  background:#fff;border:1px solid #E6EDF7;border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.feature-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.feature-item .fi-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;
}
.feature-item h3{font-size:17px;margin-bottom:4px;}
.feature-item p{font-size:14.5px;margin:0;}

/* ---------- 等级开放范围 ---------- */
.level-panel{
  background:#fff;border:1px solid #E6EDF7;border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.level-row{
  display:grid;
  grid-template-columns:180px minmax(0,1fr) 150px 130px;
  gap:20px;align-items:center;
  padding:22px 26px;
  border-top:1px solid var(--line-soft);
  transition:background-color .15s ease-out;
}
.level-row:first-child{border-top:0;}
.level-row:hover{background:#FAFCFF;}
.level-row .lv-name{
  display:flex;align-items:center;gap:10px;
  font-weight:700;color:var(--brand-ink);font-size:16px;
}
.level-row .lv-bar{width:6px;height:26px;border-radius:4px;background:#CBD9F3;}
.level-row.lv-standard .lv-bar{background:#9DBBF6;}
.level-row.lv-pro .lv-bar{background:var(--teal);}
.level-row.lv-flagship .lv-bar{background:var(--brand-ink);}
.level-row .lv-desc{font-size:15px;color:var(--body);}
.level-row .lv-count{
  font-size:15px;font-weight:600;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.level-row .lv-freq{font-size:14px;color:var(--muted);}
.level-foot{
  background:var(--brand-light);
  padding:18px 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;border-top:1px solid #DFE8FB;
}
.level-foot p{margin:0;font-size:14.5px;color:var(--brand-dark);}

/* ---------- 使用路径 ---------- */
.path-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;counter-reset:step;
}
.path-card{
  position:relative;background:#fff;border:1px solid #E6EDF7;
  border-radius:var(--r-lg);padding:28px 24px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.path-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.path-card::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-md);
  background:var(--brand-light);color:var(--brand);
  font-weight:700;font-size:15px;margin-bottom:16px;
}
.path-card h3{font-size:18px;margin-bottom:8px;}
.path-card p{font-size:14.5px;margin:0;}
.path-card .path-tip{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:13px;color:var(--teal);font-weight:600;
}

/* ---------- FAQ ---------- */
.faq-x{border:0;background:transparent;display:grid;gap:12px;}
.faq-x .accordion-item{
  border:1px solid #E6EDF7;border-radius:var(--r-md);
  background:#fff;box-shadow:var(--sh-1);overflow:hidden;
}
.faq-x .accordion-header{margin:0;}
.faq-x .accordion-button{
  position:relative;
  background:#fff;color:var(--text);
  font-size:16px;font-weight:600;
  padding:20px 56px 20px 24px;
  border:0;border-radius:0;box-shadow:none;
  transition:color .15s ease-out,background-color .15s ease-out;
}
.faq-x .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:transparent;border-radius:0 3px 3px 0;
  transition:background-color .15s ease-out;
}
.faq-x .accordion-button:hover{background:#FAFCFF;color:var(--brand);}
.faq-x .accordion-button:not(.collapsed){
  background:#F7FAFF;color:var(--brand);box-shadow:none;
}
.faq-x .accordion-button:not(.collapsed)::before{background:var(--brand);}
.faq-x .accordion-button:focus{box-shadow:0 0 0 3px rgba(47,111,237,.18);}
.faq-x .accordion-button::after{
  content:"+";
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
  background-image:none;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.faq-x .accordion-button:not(.collapsed)::after{
  content:"−";background:var(--brand);color:#fff;transform:translateY(-50%) rotate(180deg);
}
.faq-x .accordion-body{
  padding:0 24px 22px 24px;font-size:15px;color:var(--body);
  background:#F7FAFF;
}
.faq-wrap{max-width:860px;}

/* ---------- CTA ---------- */
.cta-band{margin-top:var(--section);background:var(--brand-light);}
.cta-inner{
  padding:72px 0 64px;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.cta-inner h2{color:var(--brand-dark);margin-bottom:16px;}
.cta-points{display:grid;gap:10px;margin:0 0 26px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15.5px;color:#294A8A;
}
.cta-points li::before{
  content:"✓";flex:0 0 auto;
  width:20px;height:20px;border-radius:50%;
  background:var(--teal);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:3px;
}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px;}
.cta-note{font-size:13.5px;color:#3D5C93;}
.pay-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.pay-badge{
  background:#fff;border:1px solid #D8E3F8;border-radius:var(--r-sm);
  font-size:12.5px;color:#33507F;padding:6px 10px;line-height:1;
}
.cta-card{
  background:#fff;border:1px solid #DCE5F7;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:26px;
}
.cta-card h3{font-size:18px;margin-bottom:14px;}
.cta-card ul{display:grid;gap:12px;}
.cta-card li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:14.5px;color:var(--body);
  padding-bottom:12px;border-bottom:1px solid var(--line-soft);
}
.cta-card li:last-child{border-bottom:0;padding-bottom:0;}
.cta-card li strong{color:var(--brand-ink);font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:#C7D5EE;margin-top:0;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;padding:64px 0 40px;
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::after{background:var(--brand-ink);}
.footer-brand p{font-size:14px;color:#9FB2D4;max-width:320px;}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#AFC2E0;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:#93A7C9;
}
.back-top{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#DCE6F7;border-radius:var(--r-sm);
  padding:8px 14px;font-size:13px;
  transition:background-color .15s ease-out;
}
.back-top:hover{background:rgba(255,255,255,.16);}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.offcanvas-x{width:320px;background:#fff;}
.offcanvas-x .offcanvas-header{
  border-bottom:1px solid var(--line);padding:18px 20px;
}
.offcanvas-x .offcanvas-title{font-size:18px;font-weight:700;color:var(--brand-ink);}
.offcanvas-x .offcanvas-body{
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.offcanvas-x .drawer-link{
  display:block;padding:12px 14px;border-radius:var(--r-md);
  color:#334155;font-weight:500;font-size:15px;
}
.offcanvas-x .drawer-link:hover{background:#F2F6FD;color:var(--brand);}
.offcanvas-x .drawer-link.active{background:var(--brand-light);color:var(--brand);font-weight:600;}
.offcanvas-x .drawer-foot{
  margin-top:auto;padding-top:20px;border-top:1px solid var(--line);
}
.offcanvas-x .drawer-foot .btn-primary-x{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .content-grid{gap:20px;}
  .split{gap:40px;}
}
@media (max-width:991.98px){
  :root{--section:72px;}
  .container-x{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .badge-warm{display:none;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{aspect-ratio:16/9;}
  .content-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .level-row{
    grid-template-columns:150px minmax(0,1fr);
    grid-template-areas:"name desc" "name meta";
    row-gap:8px;
  }
  .level-row .lv-name{grid-area:name;}
  .level-row .lv-desc{grid-area:desc;}
  .level-row .lv-count{grid-column:1 / -1;}
  .level-row .lv-freq{grid-column:1 / -1;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:56px 0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767.98px){
  .content-grid{grid-template-columns:1fr;}
  .path-grid{grid-template-columns:1fr;}
  .promo-inner{flex-wrap:wrap;padding-top:8px;padding-bottom:8px;gap:8px;}
  .promo-right{width:100%;justify-content:space-between;}
  .stat-row{gap:24px;}
  .stat-item .stat-num{font-size:26px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 20px;}
  :root{--section:56px;}
  .btn-primary-x,.btn-ghost-x{padding:11px 18px;font-size:14.5px;}
  .hero-actions .btn-primary-x,.hero-actions .btn-ghost-x{width:100%;}
  .level-row{padding:18px 18px;}
  .footer-top{grid-template-columns:1fr;}
  .faq-x .accordion-button{font-size:15px;padding:16px 52px 16px 18px;}
  .faq-x .accordion-body{padding:0 18px 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E3FA8;
  --brand-ink:#10224A;
  --brand-light:#EFF4FE;
  --brand-light-2:#F2F6FD;
  --teal:#0FB5A6;
  --amber:#F0A93B;
  --danger:#D64545;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --ink:#0F172A;
  --body:#475569;
  --muted:#94A3B8;
  --line:#E3EAF5;
  --line-soft:#EEF2F9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,42,92,.04);
  --sh-2:0 10px 28px rgba(18,42,92,.07);
  --sh-3:0 16px 40px rgba(18,42,92,.12);
  --sec:96px;
  --container:1200px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,31px);}
h3{font-size:20px;font-weight:600;line-height:1.45;}
h4{font-size:16px;font-weight:600;}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部活动条 ============ */
.promo-bar{
  background:var(--brand-light);
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--brand-dark);
}
.promo-bar .container-x{
  min-height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:6px;
  padding-bottom:6px;
}
.promo-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.promo-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid #D9E4FA;border-radius:var(--r-pill);
  padding:2px 12px;font-weight:600;color:var(--brand-dark);
}
.countdown{display:flex;align-items:center;gap:4px;font-weight:700;color:var(--amber);}
.countdown b{color:var(--amber);font-weight:700;}
.countdown span.sep{color:var(--muted);font-weight:600;}
.promo-right{display:flex;align-items:center;gap:14px;}
.promo-right a{font-weight:600;color:var(--brand-dark);}
.promo-right a:hover{color:var(--brand);}
.promo-close{
  border:0;background:transparent;color:var(--muted);
  width:26px;height:26px;border-radius:50%;line-height:1;font-size:16px;cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out;
}
.promo-close:hover{background:#fff;color:var(--brand-dark);}
.promo-bar.is-hidden{display:none;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(18,42,92,.08);}
.header-inner{
  min-height:72px;
  display:flex;align-items:center;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--brand-ink);letter-spacing:.2px;white-space:nowrap;
}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  width:26px;height:26px;border-radius:9px;
  background:var(--brand);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;right:4px;bottom:4px;
  width:9px;height:9px;border-radius:3px;background:var(--teal);
}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;
}
.nav-link-x{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--body);
  transition:color .16s ease-out,background .16s ease-out;
}
.nav-link-x:hover{color:var(--brand);background:var(--brand-light);}
.nav-link-x.active{color:var(--brand);font-weight:600;background:transparent;}
.nav-link-x.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:3px;border-radius:3px;background:var(--brand);
}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:8px;}
.badge-limit{
  display:inline-flex;align-items:center;gap:5px;
  background:#FFF4E2;color:#B26A00;border:1px solid #F6DDAF;
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:3px 10px;white-space:nowrap;
}
.menu-btn{
  margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;
  transition:background .16s ease-out,border-color .16s ease-out;
}
.menu-btn:hover{background:var(--brand-light);border-color:#C9DBFA;}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);
  padding:12px 24px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out,box-shadow .16s ease-out,transform .12s ease-out,border-color .16s ease-out;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(47,111,237,.22);}
.btn-primary-x:hover{background:#2A63D6;color:#fff;box-shadow:0 12px 26px rgba(47,111,237,.28);}
.btn-primary-x:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(47,111,237,.2);}
.btn-ghost-x{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost-x:hover{background:var(--brand-light-2);color:var(--brand-dark);}
.btn-sm-x{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-x:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(47,111,237,.28);outline-offset:2px;
}

/* 移动端抽屉 */
.drawer-x{width:320px;border-left:1px solid var(--line);}
.drawer-x .offcanvas-header{
  padding:18px 22px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-close{
  border:0;background:var(--brand-light);color:var(--brand-dark);
  width:32px;height:32px;border-radius:50%;font-size:17px;line-height:1;cursor:pointer;
}
.drawer-x .offcanvas-body{padding:14px 14px 20px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links .nav-link-x{padding:12px 14px;border-radius:var(--r-md);font-size:15.5px;}
.drawer-links .nav-link-x.active{background:var(--brand-light);}
.drawer-links .nav-link-x.active::after{display:none;}
.drawer-foot{padding:16px 22px;border-top:1px solid var(--line);background:#fff;}
.drawer-foot .btn-x{width:100%;}

/* ============ 页面头部 ============ */
.page-hero{
  background:var(--brand-light);
  border-bottom:1px solid var(--line);
  padding:44px 0 56px;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--body);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C4D2E6;}
.crumb .current{color:var(--brand-dark);font-weight:600;}
.hero-grid{
  display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #D9E4FA;color:var(--brand-dark);
  font-size:13px;font-weight:600;border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.eyebrow i{color:var(--teal);}
.page-hero h1{margin-bottom:16px;color:var(--brand-ink);}
.page-hero .lead{
  font-size:17px;color:var(--body);max-width:640px;margin-bottom:24px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;}
.hero-meta .metric{min-width:104px;}
.hero-meta .metric b{
  display:block;font-size:26px;font-weight:800;color:var(--brand-dark);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-meta .metric span{font-size:13.5px;color:var(--muted);}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh-2);
}
.hero-visual img{width:100%;height:320px;object-fit:cover;}
.hero-card{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:12px;
}
.hero-card .ic{
  width:38px;height:38px;border-radius:10px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto;
}
.hero-card strong{display:block;font-size:14.5px;color:var(--ink);}
.hero-card small{color:var(--muted);font-size:12.5px;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--body);}

/* 快捷入口 chips */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:10px 18px;font-size:14.5px;font-weight:500;color:var(--ink);
  box-shadow:var(--sh-1);transition:box-shadow .16s ease-out,transform .16s ease-out,border-color .16s ease-out,color .16s ease-out;
}
.chip i{color:var(--brand);font-size:14px;}
.chip:hover{color:var(--brand);border-color:#C9DBFA;box-shadow:var(--sh-2);transform:translateY(-2px);}

/* 搜索样式块 */
.search-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:40px;
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;
}
.search-field{position:relative;flex:1 1 320px;}
.search-field i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;}
.search-field input{
  width:100%;height:48px;border-radius:var(--r-md);
  border:1px solid #DCE5F2;background:#fff;
  padding:0 16px 0 42px;font-size:15px;color:var(--ink);
}
.search-field input::placeholder{color:var(--muted);}
.search-tip{font-size:13.5px;color:var(--muted);}

/* ============ 问答 + 表单布局 ============ */
.help-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 372px;
  gap:32px;align-items:start;
}
.qa-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;}

.accordion.faq-list{border:0;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .16s ease-out,border-color .16s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-2);border-color:#D7E3F7;}
.faq-item h3{margin:0;font-size:0;}
.faq-item .accordion-button{
  width:100%;
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;
  background:#fff;border:0;box-shadow:none;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;
  text-align:left;border-radius:0;
  transition:background .16s ease-out,color .16s ease-out;
}
.faq-item .accordion-button::after{display:none;}
.faq-item .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--brand-light-2);
  border-left:3px solid var(--brand);
  padding-left:17px;
}
.faq-item .accordion-button:focus{box-shadow:none;}
.faq-item .accordion-button:focus-visible{outline:3px solid rgba(47,111,237,.28);outline-offset:-3px;}
.faq-sign{
  position:relative;flex:0 0 auto;margin-left:auto;
  width:22px;height:22px;border-radius:6px;
  background:var(--brand-light);
  transition:background .16s ease-out,transform .18s ease-out;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  border-radius:2px;transform:translate(-50%,-50%);
}
.faq-sign::before{width:11px;height:2px;}
.faq-sign::after{width:2px;height:11px;transition:opacity .16s ease-out;}
.faq-item .accordion-button:not(.collapsed) .faq-sign{background:var(--brand);}
.faq-item .accordion-button:not(.collapsed) .faq-sign::before{background:#fff;}
.faq-item .accordion-button:not(.collapsed) .faq-sign::after{opacity:0;}
.faq-item .accordion-body{
  padding:0 20px 20px 20px;
  font-size:15px;color:var(--body);line-height:1.8;
  border-top:1px solid var(--line-soft);
  padding-top:16px;
}
.faq-item .accordion-body a{font-weight:600;}

/* 联系表单卡 */
.form-card{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.form-card .fc-head{
  padding:22px 24px 20px;
  background:var(--brand-light);
  border-bottom:1px solid var(--line);
}
.form-card .fc-head h3{font-size:19px;margin-bottom:6px;color:var(--brand-ink);}
.form-card .fc-head p{font-size:13.5px;color:var(--body);}
.form-card .fc-body{padding:22px 24px 24px;}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px;
}
.field label .req{color:var(--amber);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #DCE5F2;border-radius:10px;
  padding:0 14px;height:44px;font-size:14.5px;color:var(--ink);background:#fff;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,237,.16);
}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:6px;}
.field .err{font-size:12.5px;color:var(--danger);margin-top:6px;display:none;}
.fc-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}
.fc-assure{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;flex-direction:column;gap:9px;
}
.fc-assure span{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--body);}
.fc-assure i{color:var(--teal);font-size:13px;}

/* ============ 处理流程 ============ */
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);position:relative;
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.step-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--brand-light);
  color:var(--brand);font-weight:800;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card:nth-child(2) .step-num{background:#E6F7F5;color:var(--teal);}
.step-card:nth-child(3) .step-num{background:#EAF0FE;color:var(--brand-dark);}
.step-card:nth-child(4) .step-num{background:#FFF4E2;color:#B26A00;}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--body);line-height:1.75;}

/* ============ 自助资源列表卡 ============ */
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.res-card{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.res-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#D7E3F7;}
.res-thumb{
  width:78px;height:78px;border-radius:var(--r-md);overflow:hidden;flex:0 0 auto;
  border:1px solid var(--line);
}
.res-thumb img{width:100%;height:100%;object-fit:cover;}
.res-body h3{font-size:17px;margin-bottom:7px;}
.res-body p{font-size:14.5px;color:var(--body);line-height:1.7;margin-bottom:10px;}
.res-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.res-link i{font-size:12px;transition:transform .16s ease-out;}
.res-card:hover .res-link i{transform:translateX(3px);}

/* ============ 证据 / 承诺条 ============ */
.trust-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 30px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-item .ic{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.trust-item h3{font-size:16px;margin-bottom:5px;}
.trust-item p{font-size:14px;color:var(--body);line-height:1.7;}

/* ============ 收尾 CTA ============ */
.cta-band{
  background:var(--brand-light);
  border-top:1px solid var(--line);
  padding:80px 0;
}
.cta-inner{
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
}
.cta-inner h2{color:var(--brand-ink);margin-bottom:14px;}
.cta-inner > div > p{color:var(--body);max-width:620px;}
.cta-points{display:flex;flex-wrap:wrap;gap:20px;margin:24px 0 28px;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink);font-weight:500;}
.cta-points i{color:var(--teal);}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.pay-badges{display:flex;gap:8px;flex-wrap:wrap;}
.pay-badges span{
  font-size:12.5px;color:var(--body);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:5px 11px;
}
.cta-safe{font-size:13px;color:var(--muted);margin-top:14px;}
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-2);
}
.cta-panel h3{font-size:18px;margin-bottom:14px;}
.cta-panel ul{display:flex;flex-direction:column;gap:12px;}
.cta-panel li{display:flex;gap:10px;font-size:14.5px;color:var(--body);line-height:1.7;}
.cta-panel li i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-ink);color:#C8D4EC;padding:64px 0 0;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9B8D6;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#A9B8D6;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:13.5px;color:#8FA1C4;
}
.back-top{
  background:rgba(255,255,255,.08);color:#E3EAF7;border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-sm);padding:8px 14px;font-size:13px;cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out;
}
.back-top:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .help-layout{grid-template-columns:minmax(0,1fr) 340px;gap:26px;}
}
@media (max-width:991.98px){
  :root{--sec:72px;}
  .container-x{padding:0 24px;}
  .nav-links,.header-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{height:280px;}
  .help-layout{grid-template-columns:1fr;}
  .form-card{position:static;}
  .steps-grid{grid-template-columns:1fr 1fr;}
  .trust-band{grid-template-columns:1fr;gap:22px;}
  .cta-inner{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:64px 0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767.98px){
  :root{--sec:56px;}
  .container-x{padding:0 20px;}
  body{font-size:16px;}
  .qa-cols{grid-template-columns:1fr;}
  .res-grid{grid-template-columns:1fr;}
  .hero-meta{gap:16px;}
  .page-hero{padding:32px 0 42px;}
  .section-head{margin-bottom:32px;}
  .search-wrap{padding:16px;}
}
@media (max-width:575.98px){
  .steps-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .hero-visual img{height:220px;}
  .hero-card{padding:12px;}
  .promo-bar .container-x{gap:10px;}
  .promo-right{gap:10px;}
  .cta-points{gap:14px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}