/* roulang page: index */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE6FF;
  --cyan:#06B6D4;
  --cyan-soft:#DFF7FB;
  --amber:#F59E0B;
  --coral:#FF6B5E;
  --ink:#171226;
  --ink-2:#4B4560;
  --ink-3:#8A83A0;
  --bg:#FFFFFF;
  --bg-alt:#F8F6FF;
  --dark:#150F22;
  --line:#E7E2F5;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sd-1:0 1px 2px rgba(23,18,38,.06), 0 10px 24px -14px rgba(23,18,38,.18);
  --sd-2:0 16px 34px -16px rgba(109,40,217,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#6D28D9;
  --bs-primary-rgb:109,40,217;
  --bs-body-color:#171226;
  --bs-border-radius:10px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-deep);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 18px;text-align:left;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){ .container-x{max-width:1320px;} }

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.btn-x:active{transform:scale(.98);}
.btn-fill{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-fill:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sd-2);}
.btn-line{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand-deep);border-color:#fff;}
.btn-white:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 22px -14px rgba(23,18,38,.32);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
  box-shadow:3px 3px 0 var(--brand-soft);
}
.logo-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.logo:hover .logo-text{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:72px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
}
.nav-link::after{
  content:"";
  position:absolute;left:50%;bottom:22px;
  width:0;height:.5px;background:var(--brand);
  transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:calc(100% - 28px);}
.nav-link.active{color:var(--brand);font-weight:700;box-shadow:inset 0 -3px 0 0 var(--brand);}
.nav-link.active::after{display:none;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:9px;
  color:var(--ink-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .18s var(--ease);
}
.mega-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.mega-btn i{font-size:11px;transition:transform .18s var(--ease);}
.mega-wrap.open .mega-btn{background:var(--brand);color:#fff;border-color:var(--brand);}
.mega-wrap.open .mega-btn i{transform:rotate(90deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:760px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px;
  box-shadow:0 24px 50px -22px rgba(23,18,38,.34);
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease-out, transform .16s ease-out, visibility .16s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;font-weight:600;color:var(--ink-3);margin-bottom:12px;letter-spacing:.04em;}
.mega-col ul li{margin-bottom:9px;}
.mega-col ul li a{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.mega-col ul li a:hover{color:var(--brand);}
.mega-col ul li a i{color:var(--brand);font-size:12px;width:14px;}
.mega-mini{font-size:13px;color:var(--ink-3);line-height:1.6;margin-bottom:10px;}
.mega-entry{
  background:var(--brand-soft);
  border-radius:12px;
  padding:18px;
  display:flex;flex-direction:column;justify-content:space-between;height:100%;
}
.mega-entry p{font-size:14px;color:var(--brand-deep);margin:0 0 14px;line-height:1.6;}
.menu-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- 抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(21,15,34,.5);
  opacity:0;visibility:hidden;transition:all .2s var(--ease);z-index:1050;
}
.drawer-overlay.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:#fff;z-index:1060;
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px;
}
.mobile-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;}
.drawer-nav a{
  display:block;padding:14px 4px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:700;}
.drawer-acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;background:none;border:none;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--ink);cursor:pointer;
}
.drawer-acc-btn i{transition:transform .18s var(--ease);font-size:12px;color:var(--ink-3);}
.drawer-acc-btn.open i{transform:rotate(180deg);}
.drawer-acc-body{display:none;padding:4px 0 8px 12px;}
.drawer-acc-body.show{display:block;}
.drawer-acc-body a{display:block;padding:10px 0;font-size:15px;color:var(--ink-2);border:none;}
.drawer-foot{margin-top:auto;padding-top:16px;}
.drawer-foot .btn-x{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.section-title{font-size:32px;line-height:1.3;}
.section-desc{font-size:15px;color:var(--ink-2);margin:12px 0 0;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;background:linear-gradient(180deg,var(--bg-alt) 0%,#fff 100%);position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(23,18,38,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(23,18,38,.06) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--ink-2);margin-bottom:20px;
}
.hero-badge i{color:var(--cyan);}
.hero h1{font-size:42px;line-height:1.22;font-weight:800;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--ink-2);margin:18px 0 28px;max-width:520px;line-height:1.8;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.hero-stat{padding:0 22px;border-left:1px solid var(--line);}
.hero-stat:first-child{border-left:none;padding-left:0;}
.hero-stat b{display:block;font-size:24px;font-weight:800;color:var(--ink);line-height:1.2;font-family:"Inter",system-ui,sans-serif;}
.hero-stat span{font-size:13px;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sd-1);
  background:var(--brand-soft);
}
.hero-status{
  position:absolute;right:-12px;bottom:-22px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;box-shadow:var(--sd-1);min-width:206px;
}
.hs-row{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-2);line-height:1.9;}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto;}
.dot-cyan{background:var(--cyan);}
.dot-amber{background:var(--amber);}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;transition:all .2s var(--ease);
}
.flow-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand);border-radius:16px 16px 0 0;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.flow-item:hover{border-color:var(--brand);box-shadow:var(--sd-2);}
.flow-item:hover::before{transform:scaleX(1);}
.flow-num{
  font-family:"Inter",system-ui,sans-serif;
  font-size:22px;font-weight:800;color:var(--brand);
  background:var(--brand-soft);border-radius:10px;
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.7;}

/* ---------- 权益对比 ---------- */
.plan-scroll{overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
.plan-table{min-width:760px;border-radius:var(--r-card);}
.plan-row{
  display:grid;
  grid-template-columns:200px repeat(3,1fr);
  border-bottom:1px solid var(--line);
  background:#fff;
}
.plan-row:first-child{border-radius:var(--r-card) var(--r-card) 0 0;}
.plan-row:last-child{border-bottom:none;border-radius:0 0 var(--r-card) var(--r-card);}
.plan-table{border:1px solid var(--line);overflow:hidden;}
.plan-cell{padding:18px 20px;font-size:14.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.plan-cell.plan-label{font-weight:600;color:var(--ink);background:var(--bg-alt);}
.plan-head .plan-cell{font-size:14px;font-weight:600;color:var(--ink);padding-top:22px;padding-bottom:22px;}
.plan-col.is-featured{background:var(--brand-soft);position:relative;}
.plan-head .plan-col.is-featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);
}
.plan-cell.is-featured{background:var(--brand-soft);color:var(--brand-deep);font-weight:500;}
.badge-x{display:inline-block;font-size:12px;border-radius:999px;padding:2px 10px;font-weight:600;line-height:1.7;}
.badge-brand{background:var(--brand-soft);color:var(--brand-deep);}
.badge-amber{background:var(--amber);color:#3B2500;}
.badge-cyan{background:var(--cyan-soft);color:#075E6B;}
.yes{display:inline-flex;align-items:center;gap:7px;}
.yes i{color:var(--cyan);font-size:12px;}
.no{display:inline-flex;align-items:center;gap:7px;color:var(--ink-3);}
.no i{font-size:12px;}

/* ---------- 等级亮点（深色） ---------- */
.section-dark{
  background:var(--dark);color:#fff;position:relative;overflow:hidden;
}
.section-dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.section-dark .container-x{position:relative;}
.section-dark .section-title{color:#fff;}
.section-dark .section-desc{color:rgba(255,255,255,.66);}
.section-dark .section-tag{background:rgba(255,255,255,.1);color:#C9B6FF;}
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.level-card{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:all .2s var(--ease);
}
.level-card:hover{background:rgba(255,255,255,.09);border-color:var(--brand);transform:translateY(-4px);}
.level-badge{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:16px;
}
.lb-1{background:rgba(109,40,217,.42);color:#D9CBFF;}
.lb-2{background:rgba(6,182,212,.34);color:#B7F0F8;}
.lb-3{background:rgba(245,158,11,.3);color:#FCE0A8;}
.level-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:6px;}
.level-card .level-note{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:16px;}
.level-card ul li{
  font-size:14px;color:rgba(255,255,255,.78);
  display:flex;align-items:flex-start;gap:9px;
  padding:7px 0;border-top:1px solid rgba(255,255,255,.08);
}
.level-card ul li:first-child{border-top:none;}
.level-card ul li i{color:var(--cyan);font-size:11px;margin-top:7px;}

/* ---------- 专属内容预览 ---------- */
.content-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;}
.content-side{display:grid;gap:24px;}
.card-x{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;position:relative;
  transition:all .2s var(--ease);
  display:flex;flex-direction:column;
}
.card-x::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--brand);
  transition:width .2s var(--ease);z-index:2;
}
.card-x:hover{border-color:var(--brand);box-shadow:var(--sd-2);}
.card-x:hover::before{width:100%;}
.card-x img{width:100%;object-fit:cover;background:var(--brand-soft);}
.card-big img{aspect-ratio:16/10;}
.card-sm{flex-direction:row;}
.card-sm img{width:38%;aspect-ratio:4/3;flex:0 0 auto;}
.card-body{padding:20px 22px;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.card-body p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.7;}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--ink-3);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}

/* ---------- 最新信息（CMS） ---------- */
.cms-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;}
.cms-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.cms-thumb{
  width:120px;height:80px;flex:0 0 auto;border-radius:var(--r-img);
  background:var(--brand-soft);
  background-image:linear-gradient(rgba(109,40,217,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(109,40,217,.14) 1px,transparent 1px);
  background-size:14px 14px;
  overflow:hidden;
}
.cms-thumb img{width:100%;height:100%;object-fit:cover;}
.cms-main{min-width:0;flex:1 1 auto;}
.cms-title{
  display:block;font-size:16px;font-weight:600;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:8px 0 6px;
}
.cms-title:hover{color:var(--brand);}
.cms-sum{
  font-size:13.5px;color:var(--ink-2);line-height:1.7;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-foot{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-3);}
.cms-empty{
  grid-column:1 / -1;
  text-align:center;padding:56px 24px;
  background:var(--bg-alt);border:1px dashed var(--line);border-radius:var(--r-card);
}
.cms-empty p{font-size:15px;color:var(--ink-2);margin:0 0 18px;text-align:center;}

/* ---------- 社区热度 ---------- */
.hot-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
.hot-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:10px 22px;}
.hot-item{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);}
.hot-item:last-child{border-bottom:none;}
.hot-rank{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-family:"Inter",system-ui,sans-serif;
  background:var(--bg-alt);color:var(--ink-3);
}
.hot-item:nth-child(1) .hot-rank{background:var(--brand);color:#fff;}
.hot-item:nth-child(2) .hot-rank{background:var(--brand-soft);color:var(--brand-deep);}
.hot-item:nth-child(3) .hot-rank{background:var(--cyan-soft);color:#075E6B;}
.hot-text{flex:1 1 auto;min-width:0;}
.hot-text a{font-size:15px;color:var(--ink);font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hot-text a:hover{color:var(--brand);}
.hot-text span{font-size:13px;color:var(--ink-3);}
.hot-count{font-size:13px;color:var(--ink-3);font-family:"Inter",system-ui,sans-serif;white-space:nowrap;}

/* ---------- 社会认同 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:all .2s var(--ease);
}
.voice-card:hover{box-shadow:var(--sd-2);border-color:var(--brand);}
.voice-card p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0 0 18px;}
.voice-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;background:var(--brand);
}
.avatar.a2{background:var(--cyan);}
.avatar-row{display:flex;align-items:center;margin-top:6px;}
.avatar-row .avatar{width:32px;height:32px;font-size:12px;border:2px solid #fff;margin-left:-10px;}
.avatar-row .avatar:first-child{margin-left:0;}
.voice-user b{display:block;font-size:14px;font-weight:600;color:var(--ink);}
.voice-user span{font-size:13px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;position:relative;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease);
}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;
  transition:color .18s var(--ease);
}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-a{padding:0 24px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;display:none;}
.faq-a.show{display:block;}

/* ---------- CTA ---------- */
.cta-box{
  background:var(--brand);color:#fff;border-radius:var(--r-card);
  padding:44px 40px;
  box-shadow:4px 4px 0 var(--brand-soft);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-box h2{font-size:26px;color:#fff;margin-bottom:8px;}
.cta-box p{font-size:14px;color:rgba(255,255,255,.82);margin:0;}
.cta-note{margin-top:16px;font-size:14px;color:var(--ink-3);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0;max-width:280px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--ink);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--ink-2);display:inline-block;transition:all .18s var(--ease);}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact p{font-size:14px;color:var(--ink-2);margin:0 0 10px;display:flex;gap:9px;align-items:flex-start;}
.footer-contact p i{color:var(--brand);font-size:13px;margin-top:5px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:640px;grid-template-columns:1fr 1fr;}
  .mega-col.entry-col{display:none;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .mega-wrap{display:none;}
  .nav-wrap{height:60px;}
  .nav-link{height:60px;}
  .hero{padding:44px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:34px;}
  .hero-status{right:12px;bottom:-18px;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .content-grid{grid-template-columns:1fr;}
  .hot-grid{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .level-grid{grid-template-columns:1fr;gap:18px;}
  .section{padding:64px 0;}
  .section-title{font-size:26px;}
}
@media (max-width:767.98px){
  .cms-list{grid-template-columns:1fr;gap:0;}
  .container-x{padding:0 16px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .plan-scroll{position:relative;}
  .section{padding:48px 0;}
  .section-title{font-size:24px;}
  .section-head{margin-bottom:28px;}
  .cta-box{padding:32px 24px;}
  .cta-box h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .flow-grid{grid-template-columns:1fr;}
  .hero-stat{padding:0 16px;}
  .hero-stat b{font-size:20px;}
  .card-sm{flex-direction:column;}
  .card-sm img{width:100%;aspect-ratio:16/10;}
  .cms-item{flex-direction:column;}
  .cms-thumb{width:100%;height:150px;}
  .hero-actions .btn-x{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE6FF;
  --cyan:#06B6D4;
  --cyan-soft:#DFF7FB;
  --amber:#F59E0B;
  --coral:#FF6B5E;
  --ink:#171226;
  --ink-2:#4B4560;
  --ink-3:#8A83A0;
  --bg:#FFFFFF;
  --bg-alt:#F8F6FF;
  --dark:#150F22;
  --line:#E7E2F5;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,18,38,.06),0 10px 24px -14px rgba(23,18,38,.18);
  --sh-2:0 16px 34px -16px rgba(109,40,217,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* 容器 */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container-x{max-width:1320px;}}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1.5px solid transparent;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(109,40,217,.7);}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-brand:active{transform:scale(.98);}
.btn-outline-x{border-color:var(--brand);color:var(--brand);background:#fff;}
.btn-outline-x:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-light-x{background:#fff;color:var(--brand-deep);}
.btn-light-x:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-sm-x{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}

/* 徽章 */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-cat{background:var(--brand-soft);color:var(--brand);}
.badge-cyan{background:var(--cyan-soft);color:#0E7490;}
.badge-amber{background:#FEF3C7;color:#92400E;}
.badge-hot{background:#FFE8E5;color:#C2410C;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(23,18,38,.35);}
.header-inner{
  display:flex;align-items:center;gap:28px;height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 8px 18px -10px rgba(109,40,217,.85);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:9px;
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:.5px;
  background:var(--brand);transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--bg-alt);}
.nav-link:hover::after{width:56%;}
.nav-link.active{color:var(--brand);font-weight:600;box-shadow:inset 0 -3px 0 0 var(--brand);border-radius:9px 9px 4px 4px;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  height:42px;padding:0 15px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--ink-2);
  border:1px solid var(--line);
}
.mega-trigger:hover{color:var(--brand);border-color:var(--brand);background:var(--bg-alt);}
.mega-trigger i{transition:transform .18s var(--ease);font-size:12px;}
.mega-wrap.open .mega-trigger{background:var(--brand-soft);color:var(--brand);border-color:var(--brand);}
.mega-wrap.open .mega-trigger i{transform:rotate(90deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:760px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink-3);margin-bottom:12px;}
.mega-list li{margin-bottom:8px;}
.mega-list a{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2);padding:5px 6px;border-radius:8px;}
.mega-list a:hover{background:var(--bg-alt);color:var(--brand);}
.mega-list i{color:var(--brand);font-size:13px;width:16px;}
.mega-mini li{padding:8px 0;border-bottom:1px solid var(--line);}
.mega-mini li:last-child{border-bottom:0;}
.mega-mini a{font-size:14px;color:var(--ink-2);display:block;}
.mega-mini a:hover{color:var(--brand);}
.mega-mini span{display:block;font-size:12px;color:var(--ink-3);margin-top:2px;}
.mega-card{background:var(--brand-soft);border-radius:var(--r-img);padding:18px;display:flex;flex-direction:column;gap:12px;justify-content:center;}
.mega-card p{font-size:14px;color:var(--brand-deep);line-height:1.6;}
.mega-card .btn-x{align-self:flex-start;height:38px;font-size:14px;padding:0 16px;}

/* 移动端抽屉 */
.drawer-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);font-size:16px;color:var(--ink-2);}
.drawer-mask{position:fixed;inset:0;background:rgba(21,15,34,.5);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;z-index:1040;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;
  background:#fff;z-index:1050;transform:translateX(102%);
  transition:transform .24s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-close{width:38px;height:38px;border-radius:9px;border:1px solid var(--line);color:var(--ink-2);}
.drawer-body{padding:12px 20px;overflow-y:auto;flex:1;}
.drawer-link{display:block;padding:13px 4px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line);}
.drawer-link.active{color:var(--brand);font-weight:600;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-foot .btn-x{width:100%;}

/* 面包屑 */
.breadcrumb-bar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.breadcrumb-x{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--ink-3);
}
.breadcrumb-x a{color:var(--ink-3);}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{color:#C9C2DC;}
.breadcrumb-x .cur{color:var(--ink-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.article-head{padding:44px 0 26px;}
.article-head h1{
  font-size:34px;line-height:1.35;font-weight:800;letter-spacing:-.3px;
  margin-bottom:16px;color:var(--ink);
}
.article-meta{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
.article-meta .m-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--brand);font-size:12px;}

/* 布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:44px;padding:36px 0 72px;}
.article-body{max-width:780px;}

/* 正文排版 */
.article-content{font-size:17px;line-height:1.9;color:var(--ink-2);}
.article-content p{margin-bottom:18px;}
.article-content h2{
  position:relative;font-size:23px;font-weight:700;color:var(--ink);
  margin:36px 0 14px;padding-left:14px;line-height:1.45;
}
.article-content h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--brand);}
.article-content h3{
  position:relative;font-size:19px;font-weight:600;color:var(--ink);
  margin:26px 0 10px;padding-left:12px;
}
.article-content h3::before{content:"";position:absolute;left:0;top:5px;width:3px;height:16px;border-radius:2px;background:var(--cyan);}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px;list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:8px;}
.article-content img{border-radius:var(--r-img);margin:22px auto;box-shadow:var(--sh-1);}
.article-content blockquote{
  margin:22px 0;padding:16px 20px;
  background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--brand-deep);
}
.article-content a{color:#0E7490;text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand);}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-content th{background:var(--bg-alt);font-weight:600;color:var(--ink);}
.article-content strong{color:var(--ink);}

/* 标签 */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--ink-3);}
.tag-chip{padding:5px 13px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--line);font-size:13px;color:var(--ink-2);}
.tag-chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* 上下篇 */
.pager-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px;}
.pager-card{
  border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;background:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.pager-card:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pager-card span{display:block;font-size:12px;color:var(--ink-3);margin-bottom:6px;}
.pager-card strong{font-size:15px;font-weight:600;color:var(--ink);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pager-card.right{text-align:right;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--bg-alt);padding:52px 28px;text-align:center;
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--ink);}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* 侧栏 */
.side-card{
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;background:#fff;margin-bottom:20px;
}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand);font-size:14px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:block;font-size:14px;color:var(--ink-2);padding:6px 8px;border-radius:8px;border-left:2px solid transparent;}
.toc-list a:hover{background:var(--bg-alt);color:var(--brand);border-left-color:var(--brand);}
.toc-list span{font-size:13px;color:var(--ink-3);}
.hot-list li{padding:11px 0;border-bottom:1px solid var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list a{font-size:14px;color:var(--ink-2);display:block;line-height:1.6;}
.hot-list a:hover{color:var(--brand);}
.hot-list span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px;}

/* 相关推荐 */
.related-sec{background:var(--bg-alt);padding:72px 0;}
.sec-head{margin-bottom:32px;}
.sec-title{font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.sec-sub{margin-top:10px;font-size:15px;color:var(--ink-3);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.content-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.content-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--brand);
  transition:width .2s var(--ease);
}
.content-card:hover::before{width:100%;}
.content-card:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-3px);}
.content-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--brand-soft);}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;}
.content-card .c-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.content-card h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);}
.content-card h3 a:hover{color:var(--brand);}
.content-card p{font-size:14px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-card .c-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-3);}

/* CTA */
.cta-sec{padding:0 0 80px;}
.cta-box{
  background:var(--brand);border-radius:var(--r-card);
  padding:34px 36px;color:#fff;
  box-shadow:4px 4px 0 var(--brand-soft);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-box h2{font-size:24px;font-weight:700;margin-bottom:8px;color:#fff;}
.cta-box p{font-size:14px;color:rgba(255,255,255,.86);}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--brand);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;}
.footer-col a:hover{color:#C4B5FD;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start;}
.footer-contact i{color:var(--brand-soft);margin-top:4px;font-size:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* 响应式 */
@media (max-width:1199px){
  .mega-panel{width:640px;grid-template-columns:1fr 1fr;}
  .mega-card{grid-column:span 2;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .mega-wrap{display:none;}
  .drawer-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{order:2;}
  .article-head h1{font-size:29px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .header-inner{height:60px;gap:14px;}
  .logo-text{font-size:17px;}
  .article-head{padding:32px 0 20px;}
  .article-head h1{font-size:25px;}
  .article-content{font-size:16px;}
  .article-content h2{font-size:20px;}
  .article-content h3{font-size:18px;}
  .pager-row{grid-template-columns:1fr;}
  .pager-card.right{text-align:left;}
  .related-sec{padding:52px 0;}
  .sec-title{font-size:23px;}
  .cta-sec{padding-bottom:56px;}
  .cta-box{padding:26px 22px;}
  .cta-box h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575px){
  .card-grid{grid-template-columns:1fr;}
  .btn-x{width:100%;}
  .mega-panel{display:none;}
}

/* roulang page: category1 */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE6FF;
  --cyan:#06B6D4;
  --cyan-soft:#DFF7FB;
  --amber:#F59E0B;
  --coral:#FF6B5E;
  --ink:#171226;
  --ink-2:#4B4560;
  --ink-3:#8A83A0;
  --bg:#FFFFFF;
  --bg-alt:#F8F6FF;
  --dark:#150F22;
  --line:#E7E2F5;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,18,38,.06), 0 10px 24px -14px rgba(23,18,38,.18);
  --sh-2:0 16px 34px -16px rgba(109,40,217,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --sec-y:80px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  :root{--container:1320px;}
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(23,18,38,.35);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  font-size:17px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:3px 3px 0 var(--brand-soft);
}
.logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.5px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
}
.main-nav .nav-link{
  position:relative;
  display:inline-block;
  padding:0 14px;
  height:72px;
  line-height:72px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:22px;
  height:.5px;
  background:var(--brand);
  transition:left .18s var(--ease),right .18s var(--ease);
}
.main-nav .nav-link:hover{color:var(--brand);}
.main-nav .nav-link:hover::after{left:14px;right:14px;}
.main-nav .nav-link.active{
  color:var(--brand);
  border-bottom-color:var(--brand);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-more{position:relative;}
.more-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 16px;
  border:1.5px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--ink-2);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:all .18s var(--ease);
}
.more-btn i{font-size:11px;transition:transform .18s var(--ease);}
.more-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.more-btn.is-open{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}
.more-btn.is-open i{transform:rotate(90deg);}

.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:800px;
  max-width:calc(100vw - 48px);
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:0 24px 60px -28px rgba(23,18,38,.42);
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
@media (min-width:992px){
  .nav-more:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
}
.mega-col h5{
  font-size:13px;
  font-weight:600;
  color:var(--ink-3);
  letter-spacing:1px;
  margin-bottom:14px;
}
.mega-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  border-radius:10px;
  color:var(--ink-2);
  font-size:14px;
  transition:all .18s var(--ease);
}
.mega-link i{color:var(--brand);font-size:13px;width:16px;text-align:center;}
.mega-link:hover{background:var(--brand-soft);color:var(--brand-deep);padding-left:14px;}
.mega-post{display:block;padding:8px 0;border-bottom:1px dashed var(--line);}
.mega-post:last-child{border-bottom:none;}
.mega-post span{display:block;font-size:14px;color:var(--ink-2);line-height:1.5;}
.mega-post em{font-style:normal;font-size:12px;color:var(--ink-3);}
.mega-card{
  background:var(--brand-soft);
  border-radius:12px;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
  height:100%;
}
.mega-card p{font-size:14px;color:var(--ink-2);margin:0;}
.mega-card .btn-brand{width:100%;justify-content:center;}

.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1.5px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
}

/* 抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(23,18,38,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s;
  z-index:1090;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:86%;
  max-width:360px;
  height:100%;
  background:#fff;
  z-index:1100;
  transform:translateX(100%);
  transition:transform .22s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-2);
  font-size:16px;cursor:pointer;
}
.drawer-nav a{
  display:block;
  padding:14px 12px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
  font-size:15px;
  font-weight:600;
}
.drawer-nav a.active{color:var(--brand);background:var(--brand-soft);border-radius:10px;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .btn-brand{width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-light-solid{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:all .18s var(--ease);
  white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-light-solid{background:#fff;color:var(--brand-deep);}
.btn-light-solid:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.btn-light-solid:focus-visible,
.more-btn:focus-visible,.menu-toggle:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:46px 0 40px;
  background-color:var(--brand-soft);
  background-image:linear-gradient(rgba(109,40,217,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(109,40,217,.07) 1px,transparent 1px);
  background-size:26px 26px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-40px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.18),transparent 68%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:16px;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6BFDC;}
.crumb .current{color:var(--ink-2);}
.cat-hero h1{
  font-size:38px;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:820px;
}
.cat-hero .hero-sub{
  margin:14px 0 22px;
  font-size:16px;
  color:var(--ink-2);
  max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 筛选条 */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:22px 0 0;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1.5px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  font-weight:600;
}
.filter-chip.is-active{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.filter-note{font-size:13px;color:var(--ink-3);margin-left:auto;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:14px;
}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 三列能力卡 ============ */
.card-grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.ability-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  overflow:hidden;
}
.ability-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:0;
  height:3px;
  background:var(--brand);
  transition:width .2s var(--ease);
}
.ability-card:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-4px);}
.ability-card:hover::before{width:100%;}
.ability-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.ability-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:18px;
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand);
  white-space:nowrap;
}
.badge-cyan{background:var(--cyan-soft);color:#0E7490;}
.badge-amber{background:#FEF3C7;color:#92610A;}
.badge-coral{background:#FFE9E6;color:#C0392B;}
.ability-card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.ability-card .card-desc{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.tick-list{margin-bottom:18px;}
.tick-list li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-2);
  padding:4px 0;
}
.tick-list li i{color:var(--cyan);font-size:12px;margin-top:5px;}
.card-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.card-link i{font-size:11px;transition:transform .18s var(--ease);}
.card-link:hover i{transform:translateX(4px);}

/* ============ 图文预览 ============ */
.preview-wrap{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:48px;
  align-items:center;
}
.preview-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--brand-soft);
  box-shadow:var(--sh-1);
}
.preview-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.preview-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  background:#fff;
  border-radius:999px;
  padding:7px 16px;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-deep);
  box-shadow:var(--sh-1);
}
.preview-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.preview-list li:first-child{padding-top:0;}
.preview-list li:last-child{border-bottom:none;padding-bottom:0;}
.preview-list .num{
  flex:0 0 auto;
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--cyan-soft);
  color:#0E7490;
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.preview-list h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.preview-list p{font-size:14px;color:var(--ink-2);margin:0;}

/* ============ 步骤 ============ */
.dark-band{
  background-color:var(--dark);
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:32px 32px;
  color:#fff;
}
.dark-band .section-head h2{color:#fff;}
.dark-band .section-head p{color:rgba(255,255,255,.72);}
.dark-band .eyebrow{background:rgba(109,40,217,.35);color:#D9C8FF;}
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.step-card{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);
  padding:24px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(6,182,212,.55);background:rgba(255,255,255,.09);}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:11px;
  background:var(--cyan);
  color:#062A30;
  font-weight:800;
  font-size:15px;
  margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:10px;}
.step-card p{font-size:14px;color:rgba(255,255,255,.7);margin:0;}

/* ============ 指标 ============ */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  border-top:3px solid var(--brand);
  box-shadow:var(--sh-1);
}
.stat-card .val{
  font-size:34px;
  font-weight:800;
  color:var(--brand-deep);
  line-height:1.1;
  letter-spacing:-1px;
}
.stat-card .val em{font-style:normal;font-size:15px;font-weight:700;margin-left:4px;color:var(--ink-2);}
.stat-card .lab{font-size:14px;color:var(--ink-2);margin-top:8px;}
.stat-card .sub{font-size:12.5px;color:var(--ink-3);margin-top:4px;}

/* ============ FAQ ============ */
.faq-list{
  display:grid;
  gap:14px;
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item:hover{border-color:#CFC4EE;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:#fff;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:700;
  transition:transform .2s var(--ease),background .18s var(--ease);
}
.faq-q .faq-icon::before{content:"+";}
.faq-q[aria-expanded="true"]{color:var(--brand);box-shadow:inset 3px 0 0 var(--brand);}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-q[aria-expanded="true"] .faq-icon::before{content:"−";}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--ink-2);}
.faq-a p{margin:0;}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand);
  border-radius:var(--r-card);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  box-shadow:8px 8px 0 var(--brand-soft);
}
.cta-band h2{font-size:28px;color:#fff;font-weight:700;}
.cta-band p{color:rgba(255,255,255,.82);font-size:14.5px;margin:10px 0 0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:60px 0 26px;
  margin-top:var(--sec-y);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:280px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--ink-2);
  display:inline-block;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact p{
  font-size:13.5px;
  color:var(--ink-2);
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin-bottom:10px;
}
.footer-contact p i{color:var(--brand);margin-top:5px;font-size:12.5px;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--ink-3);
  flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .main-nav .nav-link{padding:0 10px;font-size:14px;}
  .card-grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  :root{--sec-y:64px;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-more{display:none;}
  .header-inner{height:60px;gap:16px;}
  .logo-text{font-size:17px;}
  .cat-hero{padding:34px 0 30px;}
  .cat-hero h1{font-size:29px;}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .preview-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:767px){
  .card-grid-3{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .filter-note{margin-left:0;width:100%;}
  .cat-hero h1{font-size:25px;}
  .section-head h2{font-size:23px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575px){
  :root{--sec-y:48px;}
  .container-x{padding:0 16px;}
  .header-actions .btn-brand.btn-sm{padding:0 14px;font-size:13px;}
  .logo-text{font-size:16px;}
  .logo-mark{width:30px;height:30px;font-size:15px;}
  .cat-hero h1{font-size:23px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a{padding:0 18px 18px;}
  .ability-card{padding:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-light-solid{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE6FF;
  --cyan:#06B6D4;
  --cyan-soft:#DFF7FB;
  --amber:#F59E0B;
  --coral:#FF6B5E;
  --ink:#171226;
  --ink-2:#4B4560;
  --ink-3:#8A83A0;
  --bg:#FFFFFF;
  --bg-alt:#F8F6FF;
  --dark:#150F22;
  --line:#E7E2F5;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,18,38,.06), 0 10px 24px -14px rgba(23,18,38,.18);
  --sh-2:0 16px 34px -16px rgba(109,40,217,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container-x{max-width:1320px;}
}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-brand{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px -12px rgba(109,40,217,.75);
}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-brand:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-brand:focus-visible,.btn-ghost:focus-visible,
.nav-link:focus-visible,.mega-trigger:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-light-solid{background:#fff;color:var(--brand-deep);}
.btn-light-solid:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(23,18,38,.4);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
  box-shadow:3px 3px 0 var(--brand-soft);
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:8px;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:2px;
  height:.5px;
  background:var(--brand);
  transition:left .18s var(--ease),right .18s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{left:12px;right:12px;}
.nav-link.active{
  color:var(--brand);
  font-weight:700;
  background:var(--brand-soft);
  box-shadow:inset 0 -3px 0 var(--brand);
}
.nav-link.active::after{left:50%;right:50%;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}

.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border:1.5px solid var(--line);
  background:#fff;
  border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--ink-2);
  cursor:pointer;
  transition:all .18s var(--ease);
}
.mega-trigger i{transition:transform .18s var(--ease);font-size:12px;}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);}
.mega-wrap.open .mega-trigger{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}
.mega-wrap.open .mega-trigger i{transform:rotate(90deg);}
.mega-panel{
  position:absolute;
  right:0;top:calc(100% + 12px);
  width:780px;
  max-width:calc(100vw - 48px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 24px 48px -28px rgba(23,18,38,.4);
  padding:24px;
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h5{
  font-size:13px;font-weight:700;color:var(--ink-3);
  letter-spacing:1px;margin-bottom:14px;
}
.mega-list li{margin-bottom:10px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-2);
  padding:6px 8px;border-radius:8px;
  transition:all .18s var(--ease);
}
.mega-list a:hover{background:var(--bg-alt);color:var(--brand);transform:translateX(2px);}
.mega-list i{color:var(--brand);font-size:13px;width:16px;text-align:center;}
.mega-news li{padding:8px 0;border-bottom:1px solid var(--line);}
.mega-news li:last-child{border-bottom:none;}
.mega-news .t{display:block;font-size:14px;color:var(--ink-2);margin-bottom:2px;}
.mega-news time{font-size:12px;color:var(--ink-3);}
.mega-card{
  background:var(--brand-soft);
  border-radius:12px;
  padding:18px;
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.mega-card p{font-size:13px;color:var(--ink-2);margin:0;line-height:1.6;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1.5px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  cursor:pointer;
  transition:all .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:86%;
  max-width:360px;
  height:100%;
  background:#fff;
  border-left:1px solid var(--line);
  box-shadow:-20px 0 48px -32px rgba(23,18,38,.6);
  transform:translateX(100%);
  transition:transform .2s var(--ease);
  z-index:1050;
  display:flex;
  flex-direction:column;
  padding:20px;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink-2);cursor:pointer;
}
.drawer-links{flex:1;overflow-y:auto;}
.drawer-links a{
  display:block;
  padding:14px 12px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
  border-radius:8px;
}
.drawer-links a.active{color:var(--brand);font-weight:700;background:var(--brand-soft);}
.drawer-foot{padding-top:16px;}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(21,15,34,.45);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;
  z-index:1040;
}
.drawer-backdrop.open{opacity:1;visibility:visible;}

/* ---------- 分类页英雄区 ---------- */
.cat-hero{
  position:relative;
  background:var(--brand-soft);
  background-image:
    linear-gradient(rgba(109,40,217,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(109,40,217,.06) 1px,transparent 1px);
  background-size:32px 32px;
  padding:40px 0 34px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(6,182,212,.18),transparent 68%);
  pointer-events:none;
}
.breadcrumb-x{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
  margin-bottom:14px;
}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{color:var(--ink-3);}
.breadcrumb-x .cur{color:var(--ink-2);}
.cat-hero h1{
  font-size:42px;
  line-height:1.28;
  font-weight:800;
  margin-bottom:12px;
}
.cat-hero h1 .hl{color:var(--brand);}
.cat-hero .lead-line{
  font-size:16px;
  color:var(--ink-2);
  max-width:760px;
  margin-bottom:22px;
}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;
  border-radius:999px;
  border:1.5px solid var(--line);
  background:#fff;
  font-size:13px;font-weight:600;color:var(--ink-2);
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12px;font-weight:700;
  letter-spacing:2px;
  color:var(--cyan);
  margin-bottom:10px;
}
.section-head h2{font-size:32px;line-height:1.35;margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--ink-2);max-width:680px;}

/* ---------- 速览数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat-cell{
  padding:26px 22px;
  border-right:1px solid var(--line);
  position:relative;
}
.stat-cell:last-child{border-right:none;}
.stat-cell::before{
  content:"";
  position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.stat-cell:hover::before{transform:scaleX(1);}
.stat-cell .num{
  font-size:30px;font-weight:800;color:var(--brand);
  line-height:1.2;margin-bottom:4px;
  font-variant-numeric:tabular-nums;
}
.stat-cell .num span{font-size:15px;font-weight:600;color:var(--ink-2);margin-left:2px;}
.stat-cell .lab{font-size:13px;color:var(--ink-3);}

/* ---------- 权益横条列表（分类页2 版式） ---------- */
.benefit-list{border-top:1px solid var(--line);}
.benefit-row{
  display:grid;
  grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:32px;
  align-items:center;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.benefit-row:hover{background:rgba(237,230,255,.38);}
.benefit-row.reverse .row-media{order:2;}
.row-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--brand-soft);
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.benefit-row:hover .row-media img{transform:scale(1.04);}
.row-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;font-weight:600;
  margin-bottom:12px;
}
.row-tag.amber{background:#FEF3C7;color:#92400E;}
.row-tag.cyan{background:var(--cyan-soft);color:#0E7490;}
.row-body h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.row-body .desc{font-size:15px;color:var(--ink-2);margin-bottom:14px;line-height:1.8;}
.row-points{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:16px;}
.row-points li{
  display:flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--ink-2);
}
.row-points i{color:var(--cyan);font-size:12px;}
.row-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.row-link:hover{color:var(--brand-deep);gap:10px;}

/* ---------- 流程 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.flow-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--sh-2);}
.flow-index{
  font-size:14px;font-weight:800;color:var(--brand);
  width:36px;height:36px;border-radius:10px;
  background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.flow-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.flow-card p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0;}

/* ---------- 深色等级区块 ---------- */
.dark-section{
  background:var(--dark);
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px;
  padding:80px 0;
  color:#fff;
}
.dark-section h2{color:#fff;}
.dark-section .section-head p{color:rgba(255,255,255,.66);}
.dark-section .eyebrow{color:var(--cyan);}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tier-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.1);}
.tier-card.recommend{
  border-color:var(--amber);
  box-shadow:0 0 0 1px rgba(245,158,11,.35);
  position:relative;
}
.tier-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;
  border-radius:14px;
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:18px;font-weight:800;
  margin-bottom:14px;
  clip-path:polygon(25% 0,100% 0,75% 100%,0 100%);
}
.tier-card.recommend .tier-badge{background:var(--amber);color:#3B2200;}
.tier-name{font-size:18px;font-weight:700;color:#fff;margin-bottom:6px;}
.tier-price{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;}
.tier-points li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;color:rgba(255,255,255,.82);
  padding:7px 0;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.tier-points li:last-child{border-bottom:none;}
.tier-points i{color:var(--cyan);font-size:12px;margin-top:5px;}
.tier-note{
  margin-top:14px;font-size:12px;color:var(--amber);
  display:inline-flex;align-items:center;gap:6px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-x .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-x .accordion-button{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  background:#fff;
  border:none;
  font-size:16px;font-weight:600;color:var(--ink);
  text-align:left;
  cursor:pointer;
  position:relative;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.accordion-x .accordion-button::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);
  border-radius:0 3px 3px 0;
  transform:scaleY(0);
  transition:transform .18s var(--ease);
}
.accordion-x .accordion-button[aria-expanded="true"]{color:var(--brand);background:var(--bg-alt);}
.accordion-x .accordion-button[aria-expanded="true"]::before{transform:scaleY(1);}
.accordion-x .acc-icon{
  flex-shrink:0;
  width:26px;height:26px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  transition:transform .18s var(--ease);
}
.accordion-x .accordion-button[aria-expanded="true"] .acc-icon{transform:rotate(180deg);}
.accordion-x .acc-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s var(--ease);
}
.accordion-x .acc-panel-inner{
  padding:0 22px 20px 22px;
  font-size:15px;color:var(--ink-2);line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 80px;}
.cta-box{
  background:var(--brand);
  border-radius:var(--r-card);
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:6px 6px 0 var(--brand-soft);
  flex-wrap:wrap;
}
.cta-box h2{color:#fff;font-size:26px;margin-bottom:6px;}
.cta-box p{color:rgba(255,255,255,.82);font-size:14px;margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 24px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:var(--brand);box-shadow:3px 3px 0 rgba(255,255,255,.16);}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.68);
  display:inline-block;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--brand-soft);transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px;display:flex;gap:9px;align-items:flex-start;}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:12px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .main-nav{gap:0;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .mega-panel{width:700px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .mega-wrap{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{height:60px;gap:14px;}
  .section{padding:64px 0;}
  .dark-section{padding:64px 0;}
  .cat-hero h1{font-size:32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:none;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .tier-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .benefit-row{grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:24px;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .section{padding:48px 0;}
  .dark-section{padding:48px 0;}
  .cat-hero{padding:28px 0 24px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .lead-line{font-size:15px;}
  .section-head h2{font-size:24px;}
  .benefit-row,
  .benefit-row.reverse{
    grid-template-columns:1fr;
    gap:16px;
    padding:24px 0;
  }
  .benefit-row.reverse .row-media{order:0;}
  .row-media{aspect-ratio:16/9;}
  .flow-grid{grid-template-columns:1fr;}
  .cta-box{padding:26px 22px;}
  .cta-box h2{font-size:22px;}
  .btn-brand,.btn-ghost{width:100%;}
  .cta-box .btn-brand{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:none;border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:none;}
  .row-body h3{font-size:18px;}
  .cta-box .btn-brand{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE6FF;
  --cyan:#06B6D4;
  --cyan-soft:#DFF7FB;
  --amber:#F59E0B;
  --coral:#FF6B5E;
  --ink:#171226;
  --ink-2:#4B4560;
  --ink-3:#8A83A0;
  --bg:#FFFFFF;
  --bg-alt:#F8F6FF;
  --dark:#150F22;
  --line:#E7E2F5;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,18,38,.06),0 10px 24px -14px rgba(23,18,38,.18);
  --sh-hover:0 16px 34px -16px rgba(109,40,217,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-align:left;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.2px}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(23,18,38,.32)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:3px 3px 0 var(--brand-soft);transition:transform .18s var(--ease)
}
.logo:hover .logo-mark{transform:translate(-1px,-1px)}
.logo-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.3px}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;
  color:var(--ink-2);border-radius:8px;transition:color .18s var(--ease),background-color .18s var(--ease)
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;background:var(--brand);
  border-radius:2px;transition:left .18s var(--ease),right .18s var(--ease)
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link:hover::after{left:12px;right:12px}
.nav-link.active{color:var(--brand);font-weight:600;box-shadow:inset 0 -3px 0 var(--brand)}
.nav-link.active::after{left:50%;right:50%}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}

.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--ink-2);cursor:pointer;
  transition:all .18s var(--ease)
}
.mega-trigger i{font-size:11px;transition:transform .18s var(--ease)}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.mega-wrap.open .mega-trigger{background:var(--brand);border-color:var(--brand);color:#fff}
.mega-wrap.open .mega-trigger i{transform:rotate(90deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:760px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-hover);
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mega-col h5{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.6px;margin-bottom:14px}
.mega-list{list-style:none;display:flex;flex-direction:column;gap:4px}
.mega-list a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--ink-2)}
.mega-list a:hover{background:var(--brand-soft);color:var(--brand)}
.mega-list i{width:16px;color:var(--brand);font-size:13px}
.mega-news{list-style:none;display:flex;flex-direction:column;gap:12px}
.mega-news li{font-size:14px;color:var(--ink-2);line-height:1.5}
.mega-news time{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px}
.mega-card{background:var(--brand-soft);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:12px;height:100%}
.mega-card p{font-size:14px;color:var(--ink-2);margin:0}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);color:var(--ink);font-size:17px;cursor:pointer;
  transition:all .18s var(--ease)
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(21,15,34,.5);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s;z-index:1050
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .24s var(--ease);display:flex;flex-direction:column;
  box-shadow:-18px 0 40px -22px rgba(23,18,38,.5)
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;color:var(--ink)}
.drawer-body{padding:16px 20px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:6px}
.drawer-body a.link{padding:12px;border-radius:10px;color:var(--ink-2);font-size:15.5px}
.drawer-body a.link:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-body a.link.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
.drawer-foot .btn-brand{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;background:var(--brand);border:1px solid var(--brand);color:#fff;
  border-radius:var(--r-btn);font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background-color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease)
}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px)}
.btn-brand:active{transform:scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;background:transparent;border:1.5px solid var(--brand);color:var(--brand);
  border-radius:var(--r-btn);font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background-color .18s var(--ease),transform .18s var(--ease),color .18s var(--ease)
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-onDark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;background:#fff;border:1px solid #fff;color:var(--dark);
  border-radius:var(--r-btn);font-size:15.5px;font-weight:700;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease)
}
.btn-onDark:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14.5px}

/* ============ 徽章 / 标签 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;line-height:1.6
}
.badge-cyan{background:var(--cyan-soft);color:#0E7490}
.badge-amber{background:#FEF3C7;color:#92400E}
.badge-coral{background:#FFE8E5;color:#C2410C}

/* ============ Hero ============ */
.page-hero{
  position:relative;padding:38px 0 42px;border-bottom:1px solid var(--line);
  background-color:var(--brand-soft);
  background-image:linear-gradient(rgba(109,40,217,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(109,40,217,.07) 1px,transparent 1px);
  background-size:28px 28px;
  min-height:220px
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--ink-3)}
.crumb .now{color:var(--ink-2);font-weight:500}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;color:var(--brand);margin-bottom:14px
}
.hero-chip i{font-size:11px}
.page-hero h1{font-size:38px;font-weight:800;letter-spacing:-.6px;margin-bottom:12px}
.page-hero .lead{font-size:16.5px;color:var(--ink-2);max-width:640px;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:26px 0 4px
}
.filter-bar .label{font-size:13px;color:var(--ink-3);font-weight:600;margin-right:4px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  border:1.5px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;
  transition:all .18s var(--ease)
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--ink-2);margin:0}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand);
  letter-spacing:1px;margin-bottom:12px
}

/* ============ 速查卡 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.quick-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)
}
.quick-card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--brand);
  transition:width .2s var(--ease)
}
.quick-card:hover{border-color:var(--brand);box-shadow:var(--sh-hover);transform:translateY(-3px)}
.quick-card:hover::before{width:100%}
.quick-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:18px;margin-bottom:16px
}
.quick-card h3{font-size:17px;margin-bottom:8px}
.quick-card p{font-size:14.5px;color:var(--ink-2);margin:0}
.quick-card .stat{font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;margin-bottom:4px}

/* ============ 时间轴列表 ============ */
.timeline{list-style:none;border-top:1px solid var(--line);margin-top:8px}
.tl-item{
  display:grid;grid-template-columns:110px 1fr;gap:28px;
  padding:30px 18px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease)
}
.tl-item:hover{background:var(--bg-alt)}
.tl-num{
  font-family:"Inter",system-ui,sans-serif;font-size:44px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.6px var(--brand);letter-spacing:-2px;
  transition:color .2s var(--ease)
}
.tl-item:hover .tl-num{color:var(--brand)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.tl-head h3{font-size:19px}
.tl-body p{font-size:15.5px;color:var(--ink-2);margin-bottom:12px}
.tl-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--ink-3)}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-meta i{color:var(--cyan)}

/* ============ 图文板块 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split img{width:100%;height:100%;min-height:300px;object-fit:cover;box-shadow:var(--sh-1)}
.scene-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin-top:24px}
.scene-list li{display:flex;gap:14px;align-items:flex-start}
.scene-list .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:12px;margin-top:3px
}
.scene-list strong{display:block;font-size:15.5px;margin-bottom:2px}
.scene-list span{font-size:14px;color:var(--ink-2)}

/* ============ 时效数据块 ============ */
.metric-band{
  background:var(--dark);color:#fff;border-radius:var(--r-card);padding:44px 36px;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:26px 26px
}
.metric-band h2{font-size:28px;color:#fff;margin-bottom:12px}
.metric-band .desc{color:rgba(255,255,255,.72);max-width:640px;margin-bottom:30px}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px}
.metric .num{font-size:28px;font-weight:800;color:#fff;font-family:"Inter",system-ui,sans-serif}
.metric .num small{font-size:15px;font-weight:600;margin-left:2px;color:var(--cyan)}
.metric .cap{font-size:13.5px;color:rgba(255,255,255,.7);margin-top:6px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.accordion-item{
  border:1px solid var(--line);border-radius:14px!important;overflow:hidden;
  margin-bottom:12px;background:#fff
}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 24px;box-shadow:none!important;
  transition:color .18s var(--ease),background-color .18s var(--ease)
}
.accordion-button:not(.collapsed){
  color:var(--brand);background:var(--brand-soft);
  box-shadow:inset 3px 0 0 var(--brand)!important
}
.accordion-button::after{display:none}
.acc-sign{position:relative;width:20px;height:20px;flex:0 0 20px;margin-left:auto}
.acc-sign::before,.acc-sign::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .2s var(--ease)
}
.acc-sign::before{left:3px;right:3px;top:9px;height:2px}
.acc-sign::after{top:3px;bottom:3px;left:9px;width:2px}
.accordion-button:not(.collapsed) .acc-sign::after{transform:rotate(90deg)}
.accordion-body{padding:4px 24px 22px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand);border-radius:var(--r-card);padding:38px 40px;color:#fff;
  box-shadow:6px 6px 0 var(--brand-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px
}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.82);font-size:14.5px;margin:0}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:36px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{box-shadow:3px 3px 0 rgba(255,255,255,.14)}
.footer-brand p{font-size:14px;margin-top:16px;max-width:280px;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;display:flex;gap:10px}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55)
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .metric-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .header-inner{height:60px}
  .main-nav,.mega-wrap,.nav-actions .btn-brand{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .page-hero h1{font-size:28px}
  .section{padding:64px 0}
  .section-head h2{font-size:24px}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  .page-hero{padding:28px 0 32px;min-height:auto}
  .page-hero h1{font-size:26px}
  .section{padding:48px 0}
  .quick-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr}
  .metric-band{padding:32px 22px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:24px 6px}
  .tl-num{font-size:32px}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --brand:#6D28D9;--brand-deep:#4C1D95;--brand-soft:#EDE6FF;
  --cyan:#06B6D4;--cyan-soft:#DFF7FB;
  --amber:#F59E0B;--coral:#FF6B5E;
  --ink:#171226;--ink-2:#4B4560;--ink-3:#8A83A0;
  --bg:#FFFFFF;--bg-alt:#F8F6FF;--dark:#150F22;--line:#E7E2F5;
  --r-card:16px;--r-btn:10px;--r-img:12px;--r-input:10px;
  --sh-1:0 1px 2px rgba(23,18,38,.06),0 10px 24px -14px rgba(23,18,38,.18);
  --sh-hover:0 16px 34px -16px rgba(109,40,217,.35);
  --sh-hard:4px 4px 0 var(--brand-soft);
  --t:180ms cubic-bezier(.22,.61,.36,1);
  --sect:80px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0 0 18px;color:var(--ink-2);text-align:left}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--brand);color:#fff}
a:focus-visible,button:focus-visible,.chip:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media(min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -12px rgba(23,18,38,.28)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;
  box-shadow:0 6px 14px -8px rgba(109,40,217,.9);
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;font-size:15px;color:var(--ink-2);
  font-weight:500;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:100%;height:0.5px;background:var(--brand);
  transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform var(--t);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{height:3px;border-radius:3px;transform:translateX(-50%) scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:15px;padding:8px 14px;border-radius:var(--r-btn);cursor:pointer;
  transition:all var(--t);
}
.mega-trigger i{font-size:11px;transition:transform var(--t)}
.mega-trigger:hover,.mega-wrap.open .mega-trigger{
  color:var(--brand);border-color:var(--brand);background:var(--brand-soft);
}
.mega-wrap.open .mega-trigger i{transform:rotate(90deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:780px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;display:grid;
  grid-template-columns:1.1fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;
  transition:opacity 160ms ease-out,transform 160ms ease-out,visibility 160ms ease-out;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;
}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:1px;margin-bottom:12px}
.mega-list li{margin-bottom:6px}
.mega-list a{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--ink-2);
}
.mega-list a i{color:var(--brand);font-size:13px;width:16px;text-align:center}
.mega-list a:hover{background:var(--brand-soft);color:var(--brand)}
.mega-news li{padding:9px 0;border-bottom:1px dashed var(--line)}
.mega-news li:last-child{border-bottom:0}
.mega-news a{font-size:14.5px;color:var(--ink-2);display:block;line-height:1.5}
.mega-news time{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px}
.mega-card{background:var(--brand-soft);border-radius:var(--r-img);padding:18px;display:flex;flex-direction:column;gap:14px}
.mega-card p{font-size:14px;color:var(--ink-2);margin:0}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;padding:11px 20px;border:1.5px solid transparent;cursor:pointer;
  transition:all var(--t);
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(109,40,217,.9)}
.btn-primary-x:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}
.btn-primary-x:active{transform:translateY(0) scale(.98)}
.btn-ghost-x{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-ghost-x:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-white-x{background:#fff;color:var(--brand-deep)}
.btn-white-x:hover{color:var(--brand);transform:translateY(-2px)}
.btn-sm-x{padding:9px 16px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1.5px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,38,.45);z-index:1050;opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform 220ms cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:15.5px;
  color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand);font-weight:600}
.drawer-link i{font-size:12px;color:var(--ink-3)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;background:var(--brand-soft);border-bottom:1px solid var(--line);overflow:hidden;
  padding:44px 0 40px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(109,40,217,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(109,40,217,.07) 1px,transparent 1px);
  background-size:32px 32px;pointer-events:none;
}
.cat-hero .container-x{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:var(--ink-3)}
.crumb .cur{color:var(--ink-2)}
.cat-hero h1{font-size:34px;font-weight:800;color:var(--ink);margin-bottom:12px}
.cat-hero .hero-sub{font-size:16px;color:var(--ink-2);margin:0 0 18px;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-size:13px;color:var(--ink-2);
}
.pill i{color:var(--brand);font-size:12px}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sect) 0}
.section-alt{background:var(--bg-alt)}
.sect-head{max-width:720px;margin-bottom:36px}
.sect-head h2{font-size:32px;font-weight:700;margin-bottom:12px}
.sect-head p{margin:0;font-size:15.5px;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}

/* ---------- 卖点条 ---------- */
.perk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.perk{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;position:relative;
  overflow:hidden;transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.perk::before{
  content:"";position:absolute;top:0;left:0;width:0;height:3px;background:var(--brand);
  transition:width 200ms cubic-bezier(.22,.61,.36,1);
}
.perk:hover{border-color:var(--brand);box-shadow:var(--sh-hover);transform:translateY(-2px)}
.perk:hover::before{width:100%}
.perk .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:17px;
  background:var(--cyan-soft);color:var(--cyan);margin-bottom:14px;
}
.perk h3{font-size:17px;font-weight:600;margin-bottom:8px}
.perk p{font-size:14px;margin:0;color:var(--ink-2);line-height:1.7}

/* ---------- 筛选条 ---------- */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--line);background:#fff;
  color:var(--ink-2);border-radius:999px;padding:8px 16px;font-size:14px;transition:all var(--t);
}
.chip i{font-size:12px}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 大图叠加卡列表 ---------- */
.ov-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ov-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:320px;background:var(--brand-soft);
  box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t);
}
.ov-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.ov-link{position:absolute;inset:0;display:block}
.ov-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.22,.61,.36,1)}
.ov-card:hover img{transform:scale(1.04)}
.ov-shade{position:absolute;inset:0;background:rgba(21,15,34,.6)}
.ov-body{
  position:absolute;inset:0;padding:24px;display:flex;flex-direction:column;gap:10px;
  color:#fff;z-index:2;
}
.ov-tag{
  align-self:flex-start;background:var(--amber);color:#3B2405;font-size:12px;font-weight:700;
  border-radius:999px;padding:4px 12px;
}
.ov-tag.tag-cyan{background:var(--cyan);color:#052C33}
.ov-tag.tag-coral{background:var(--coral);color:#3B0D08}
.ov-title{font-size:17px;font-weight:600;color:#fff;line-height:1.45;margin-top:auto}
.ov-desc{font-size:14px;color:rgba(255,255,255,.86);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ov-meta{font-size:13px;color:rgba(255,255,255,.76);display:flex;align-items:center;gap:7px}
.ov-cta{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#fff;
  padding-top:12px;border-top:1px solid rgba(255,255,255,.24);
}
.ov-cta i{transition:transform var(--t);font-size:12px}
.ov-card:hover .ov-cta i{transform:translateX(4px)}

/* ---------- 参与流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;position:relative}
.flow-step .num{
  font-size:20px;font-weight:800;color:var(--brand);letter-spacing:1px;margin-bottom:12px;display:block;
}
.flow-step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14px;margin:0;color:var(--ink-2);line-height:1.7}

/* ---------- 档位说明 ---------- */
.tier-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.tier-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.tier-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--r-card)}
.tier-media .badge-float{
  position:absolute;left:18px;bottom:18px;background:#fff;border-radius:12px;padding:12px 16px;
  box-shadow:var(--sh-1);font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:10px;
}
.tier-media .badge-float i{color:var(--amber)}
.tier-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
}
.tier-list li:last-child{border-bottom:0}
.tier-list .tier-name{
  flex:none;min-width:96px;font-size:14px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:5px 14px;text-align:center;height:30px;line-height:20px;
}
.tier-list .tier-text{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.tier-list .tier-text strong{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-x{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color var(--t)}
.faq-item:hover{border-color:#CFC4EE}
.faq-q{
  width:100%;background:none;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--brand);
  transform:scaleY(0);transition:transform var(--t);border-radius:0 3px 3px 0;
}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-q[aria-expanded="true"]::before{transform:scaleY(1)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:15px;font-weight:700;transition:transform var(--t);
}
.faq-icon::before{content:"+"}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-q[aria-expanded="true"] .faq-icon::before{content:"−"}
.faq-a{padding:0 24px 22px 24px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-bar{
  background:var(--brand);border-radius:var(--r-card);padding:36px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-hard);
}
.cta-bar h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-bar .cta-note{font-size:14px;color:rgba(255,255,255,.86);margin:0}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.cta-side span{font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--dark)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);margin:16px 0 0;max-width:280px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.68);margin:0 0 10px;display:flex;gap:9px;align-items:flex-start}
.footer-contact i{color:var(--cyan);margin-top:4px;font-size:12px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .mega-panel{width:700px}
  .header-inner{gap:18px}
  .nav-link{padding:10px 9px;font-size:14.5px}
}
@media(max-width:991px){
  :root{--sect:64px}
  .main-nav{display:none}
  .mega-wrap{display:none}
  .nav-toggle{display:grid;place-items:center}
  .cat-hero h1{font-size:28px}
  .sect-head h2{font-size:26px}
  .perk-grid{grid-template-columns:repeat(2,1fr)}
  .ov-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .tier-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-bar{padding:30px}
}
@media(max-width:575px){
  :root{--sect:48px}
  .container-x{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .logo-text{font-size:16px}
  .logo-mark{width:30px;height:30px;font-size:16px}
  .header-actions{gap:10px}
  .header-actions .btn-primary-x{padding:9px 14px;font-size:14px}
  .cat-hero{padding:32px 0 30px}
  .cat-hero h1{font-size:23px;line-height:1.4}
  .cat-hero .hero-sub{font-size:14.5px}
  .sect-head h2{font-size:22px}
  .perk-grid,.ov-grid,.flow{grid-template-columns:1fr}
  .ov-card{min-height:280px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-bar h2{font-size:21px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px 18px}
  .tier-list .tier-name{min-width:80px;font-size:13px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}