/* roulang page: index */
:root{
  --bg:#0B1B26;
  --panel:#12303D;
  --panel-2:#0F2531;
  --coral:#FF6B3D;
  --coral-dark:#E4562B;
  --mint:#35D6A4;
  --gold:#F2C14E;
  --white:#E8F1F2;
  --muted:#8FA9B4;
  --edge:#061218;
  --edge-soft:rgba(232,241,242,.18);
  --radius:2px;
  --shadow:4px 4px 0 #061218;
  --shadow-soft:4px 4px 0 rgba(6,18,24,.85);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--white);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
::selection{background:var(--coral);color:#0B1B26}

h1,h2,h3,h4{font-weight:800;line-height:1.35;letter-spacing:.01em}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(24px,3.2vw,32px)}
h3{font-size:19px;font-weight:700;line-height:1.5}
p{font-size:16px;line-height:1.85}
.lead{font-size:17px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

.section{position:relative;padding:48px 0}
@media(min-width:768px){.section{padding:76px 0}}
@media(min-width:1024px){.section{padding:92px 0}}
.section-alt{background:var(--panel-2);border-top:2px solid rgba(232,241,242,.1);border-bottom:2px solid rgba(232,241,242,.1)}
.section-scan::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:repeating-linear-gradient(90deg,rgba(232,241,242,.05) 0 3px,transparent 3px 6px);
}
.px-grid-bg{
  background-image:
    linear-gradient(rgba(232,241,242,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(232,241,242,.045) 1px,transparent 1px);
  background-size:8px 8px;
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:var(--radius);border:2px solid var(--edge);
  font-weight:700;font-size:15px;letter-spacing:.04em;cursor:pointer;
  box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn-primary{background:var(--coral);color:#0B1B26}
.btn-primary:hover{background:var(--coral-dark);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge)}
.btn-primary:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--edge)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(232,241,242,.45);box-shadow:var(--shadow-soft)}
.btn-ghost:hover{background:rgba(232,241,242,.12);transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(6,18,24,.85)}
.btn-sm{padding:9px 18px;font-size:14px}

.px-card{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.px-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.55)}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--radius);
  border:2px solid rgba(53,214,164,.45);color:var(--mint);font-size:13px;line-height:1.7;
  background:rgba(53,214,164,.08);letter-spacing:.04em;
}
.tag-gold{border-color:rgba(242,193,78,.5);color:var(--gold);background:rgba(242,193,78,.08)}
.tag-coral{border-color:rgba(255,107,61,.5);color:var(--coral);background:rgba(255,107,61,.08)}

.px-block{display:inline-grid;grid-template-columns:repeat(2,6px);gap:2px;flex:0 0 auto}
.px-block i{width:6px;height:6px;display:block;background:var(--coral)}
.px-block i:nth-child(2){background:var(--gold)}
.px-block i:nth-child(3){background:var(--mint)}
.px-block i:nth-child(4){background:var(--coral)}

.sec-head{display:flex;align-items:center;gap:16px;margin-bottom:34px;flex-wrap:wrap}
.sec-head h2{flex:1 1 auto;min-width:200px}
.sec-more{
  font-size:14px;color:var(--muted);border-bottom:2px solid rgba(232,241,242,.2);
  padding-bottom:2px;transition:color .16s ease,border-color .16s ease;
}
.sec-more:hover{color:var(--coral);border-color:var(--coral)}
.sec-sub{width:100%;color:var(--muted);font-size:15px;margin-top:-14px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(11,27,38,.97);
  border-bottom:2px solid var(--edge-soft);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.04em;flex:0 0 auto}
.brand-dot{display:grid;grid-template-columns:repeat(2,7px);gap:2px}
.brand-dot i{width:7px;height:7px;background:var(--coral);display:block}
.brand-dot i:nth-child(2){background:var(--gold)}
.brand-dot i:nth-child(3){background:var(--mint)}
.nav-main{display:flex;align-items:center;gap:6px;flex:1 1 auto}
.nav-main > a{
  padding:8px 12px;font-size:14.5px;color:var(--muted);border-radius:var(--radius);
  border:2px solid transparent;transition:color .16s ease,background .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.nav-main > a:hover{color:var(--white);background:rgba(232,241,242,.07)}
.nav-main > a.active{color:var(--white);border-color:rgba(255,107,61,.5);background:rgba(255,107,61,.1)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;padding:0 8px 0 12px;height:38px;
  border:2px solid var(--edge-soft);border-radius:var(--radius);background:rgba(15,37,49,.8);
  min-width:230px;transition:border-color .16s ease;
}
.cmd-search:focus-within{border-color:var(--coral)}
.cmd-search input{flex:1 1 auto;min-width:0;font-size:13.5px;color:var(--white)}
.cmd-search input::placeholder{color:rgba(143,169,180,.85)}
.cmd-search kbd{
  font-size:11px;color:var(--muted);border:1px solid rgba(232,241,242,.22);
  border-radius:2px;padding:1px 5px;flex:0 0 auto;font-family:ui-monospace,monospace;
}
.cmd-icon{width:12px;height:12px;border:2px solid var(--mint);border-radius:50%;position:relative;flex:0 0 auto}
.cmd-icon::after{content:"";position:absolute;width:7px;height:2px;background:var(--mint);right:-6px;bottom:-2px;transform:rotate(45deg)}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:2px solid var(--edge-soft);border-radius:var(--radius);color:var(--muted);
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.icon-btn:hover{color:var(--coral);border-color:rgba(255,107,61,.5);background:rgba(255,107,61,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border:2px solid var(--edge-soft);border-radius:var(--radius);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--white)}
.mobile-search{display:none}

@media(max-width:1199px){
  .cmd-search{min-width:170px}
  .nav-main > a{padding:8px 9px;font-size:13.5px}
}
@media(max-width:1023px){
  .nav-toggle{display:flex}
  .cmd-search{display:none}
  .nav-main{
    display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--panel);border-top:2px solid var(--edge-soft);border-bottom:2px solid var(--edge-soft);
    padding:14px 20px 20px;gap:4px;max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .nav-main.open{display:flex}
  .nav-main > a{padding:12px 10px;font-size:15px;border-bottom:1px dashed rgba(232,241,242,.12)}
  .mobile-search{
    display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;margin-bottom:10px;
    border:2px solid var(--edge-soft);border-radius:var(--radius);background:rgba(15,37,49,.85);
  }
  .mobile-search input{flex:1 1 auto;font-size:14px}
}
@media(max-width:639px){
  .brand{font-size:17px}
  .icon-btn{display:none}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-bottom:2px solid var(--edge-soft);
  background:#0B1B26 url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,27,38,.9) 0%,rgba(11,27,38,.94) 55%,rgba(11,27,38,.99) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.6;
  background-image:
    linear-gradient(rgba(232,241,242,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(232,241,242,.05) 1px,transparent 1px);
  background-size:8px 8px;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 56px}
@media(min-width:768px){.hero-inner{padding:92px 0 76px}}
@media(min-width:1024px){.hero-inner{padding:112px 0 88px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:5px 12px;margin-bottom:22px;
  border:2px solid rgba(53,214,164,.45);border-radius:var(--radius);color:var(--mint);
  font-size:13px;letter-spacing:.12em;background:rgba(53,214,164,.08);
}
.hero h1{max-width:900px;margin-bottom:22px}
.hero-lead{max-width:760px;color:rgba(232,241,242,.86);font-size:16.5px;margin-bottom:32px}
@media(min-width:768px){.hero-lead{font-size:17.5px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:1fr;gap:14px;max-width:900px}
@media(min-width:640px){.hero-stats{grid-template-columns:repeat(3,1fr)}}
.hero-stats li{
  background:rgba(18,48,61,.82);border:2px solid var(--edge-soft);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow-soft);
}
.hero-stats .num{display:block;font-size:26px;font-weight:800;color:var(--gold);line-height:1.3;letter-spacing:.02em}
.hero-stats .lbl{display:block;font-size:13.5px;color:var(--muted)}

/* ---------- 快捷索引 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:768px){.quick-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.quick-grid{grid-template-columns:repeat(6,1fr)}}
.quick{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:16px 14px;border:2px solid var(--edge-soft);border-radius:var(--radius);
  background:var(--panel);font-size:14.5px;font-weight:700;box-shadow:var(--shadow);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,color .16s ease;
}
.quick span{font-size:12px;color:var(--muted);font-family:ui-monospace,monospace;letter-spacing:.06em}
.quick:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.5);color:var(--coral)}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.bento .b-lg{grid-column:span 6}
.bento .b-sm{grid-column:span 6}
@media(min-width:768px){
  .bento .b-lg{grid-column:span 3}
  .bento .b-sm{grid-column:span 3}
}
@media(min-width:1024px){
  .bento .b-lg{grid-column:span 3}
  .bento .b-sm{grid-column:span 2}
}
.bento-card{background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.bento-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.5)}
.bento-num{font-family:ui-monospace,monospace;font-size:12px;color:var(--gold);letter-spacing:.14em;margin-bottom:10px}
.bento-card h3{margin-bottom:10px}
.bento-card p{font-size:15px;color:var(--muted);line-height:1.8}
.bento-div{height:2px;background:rgba(232,241,242,.12);margin:16px 0 12px}
.bento-meta{font-size:13px;color:var(--mint);letter-spacing:.04em}

/* ---------- 权益分层 ---------- */
.tier-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.tier-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.tier-grid{grid-template-columns:repeat(3,1fr)}}
.tier{
  position:relative;background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 22px 24px;display:flex;flex-direction:column;gap:16px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tier:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.5)}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.tier h3{font-size:20px}
.tier ul{display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.tier li{display:flex;gap:10px;font-size:15px;color:rgba(232,241,242,.85);line-height:1.7}
.tier li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;background:var(--mint);
  box-shadow:2px 0 0 var(--edge),0 2px 0 var(--edge);
}
.tier-price{
  border-top:2px dashed rgba(232,241,242,.16);padding-top:14px;
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
}
.tier-price strong{color:var(--gold);font-size:17px;letter-spacing:.02em}
.tier-price span{font-size:13px;color:var(--muted)}
.tier-featured{border-color:rgba(255,107,61,.6)}
.tier-featured::after{
  content:"推荐";position:absolute;top:-2px;right:-2px;background:var(--coral);color:#0B1B26;
  font-size:12px;font-weight:800;padding:3px 10px;border:2px solid var(--edge);letter-spacing:.08em;
}

/* ---------- 数据 ---------- */
.stat-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{
  background:var(--panel-2);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px 20px;
}
.stat .k{font-size:14px;color:var(--muted);display:block;margin-bottom:8px}
.stat .v{font-size:34px;font-weight:800;color:var(--white);line-height:1.2;letter-spacing:.01em}
.stat .v em{font-style:normal;font-size:16px;color:var(--mint);margin-left:4px;font-weight:700}
.seg-bar{display:flex;gap:3px;margin-top:14px}
.seg-bar i{flex:1 1 0;height:10px;background:rgba(232,241,242,.13);border:1px solid rgba(6,18,24,.9);display:block}
.seg-bar i.on{background:var(--mint)}
.seg-bar i.on-gold{background:var(--gold)}
.seg-bar i.on-coral{background:var(--coral)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:18px;position:relative}
@media(min-width:768px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(5,1fr);gap:16px}}
.flow-item{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px 18px;position:relative;
}
.flow-node{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  background:var(--coral);color:#0B1B26;font-weight:800;font-size:15px;border:2px solid var(--edge);
  border-radius:var(--radius);margin-bottom:14px;box-shadow:3px 3px 0 var(--edge);
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.scene-grid{grid-template-columns:repeat(4,1fr)}}
.scene{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.scene:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(53,214,164,.5)}
.scene img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:2px solid var(--edge);}
.scene-body{padding:18px 18px 20px}
.scene-body h3{font-size:17px;margin-bottom:8px}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- 案例墙 ---------- */
.case-wall{display:grid;grid-template-columns:1fr;gap:22px;grid-auto-rows:auto}
@media(min-width:640px){.case-wall{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.case-wall{grid-template-columns:repeat(3,1fr);grid-auto-rows:200px}}
@media(min-width:1024px){
  .case-card.wide{grid-row:span 2}
}
.case-card{
  position:relative;overflow:hidden;border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);background:var(--panel);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.case-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.6)}
.case-card img{width:100%;height:100%;min-height:180px;object-fit:cover}
.case-card .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 16px 14px;
  background:linear-gradient(180deg,rgba(11,27,38,0) 0%,rgba(11,27,38,.92) 60%);
}
.case-card .cap h3{font-size:16px;margin-bottom:4px}
.case-card .cap p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ---------- 套餐表 ---------- */
.table-wrap{overflow-x:auto;border:2px solid var(--edge-soft);border-radius:var(--radius);box-shadow:var(--shadow);background:var(--panel)}
.plan-table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;font-size:15px}
.plan-table th,.plan-table td{padding:15px 18px;text-align:left;border-bottom:2px solid rgba(232,241,242,.1)}
.plan-table thead th{background:rgba(53,214,164,.13);color:var(--mint);font-weight:800;font-size:15px;white-space:nowrap}
.plan-table tbody tr:nth-child(odd){background:rgba(15,37,49,.55)}
.plan-table tbody tr:last-child td{border-bottom:none}
.plan-table td:first-child{color:var(--white);font-weight:700}
.plan-table td{color:rgba(232,241,242,.82)}
.plan-table .hl{color:var(--gold);font-weight:700}
.table-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-top:22px}
.table-cta p{font-size:14.5px;color:var(--muted)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:1024px){.news-grid{grid-template-columns:1.15fr 1fr;gap:32px}}
.news-main{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-main:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.5)}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:2px solid var(--edge)}
.news-main .nb{padding:22px}
.news-main h3{font-size:20px;margin-bottom:10px}
.news-main p{font-size:15px;color:var(--muted)}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--panel);
  border:2px solid var(--edge-soft);border-radius:var(--radius);box-shadow:var(--shadow-soft);
  transition:border-color .16s ease,transform .16s ease;
}
.news-item:hover{border-color:rgba(255,107,61,.55);transform:translate(2px,2px)}
.news-idx{font-family:ui-monospace,monospace;font-size:12px;color:var(--gold);flex:0 0 auto;padding-top:4px;letter-spacing:.1em}
.news-item h3{font-size:16px;margin-bottom:5px}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- 专题目录 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:768px){.topic-grid{grid-template-columns:repeat(4,1fr)}}
.topic{
  display:flex;align-items:center;justify-content:center;text-align:center;min-height:88px;padding:16px 12px;
  border:2px solid var(--edge-soft);border-radius:var(--radius);background:var(--panel-2);
  font-size:15px;font-weight:700;box-shadow:var(--shadow-soft);
  transition:transform .16s ease,border-color .16s ease,color .16s ease,background .16s ease;
}
.topic:hover{transform:translate(2px,2px);border-color:rgba(53,214,164,.6);color:var(--mint);background:rgba(53,214,164,.06)}

/* ---------- 合作 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:640px){.partner-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.partner-grid{grid-template-columns:repeat(7,1fr)}}
.partner{
  display:flex;align-items:center;justify-content:center;height:70px;padding:0 10px;
  border:2px solid rgba(232,241,242,.14);border-radius:var(--radius);
  color:var(--muted);font-size:14px;letter-spacing:.06em;background:rgba(18,48,61,.6);
  transition:color .16s ease,border-color .16s ease;
}
.partner:hover{color:var(--white);border-color:rgba(232,241,242,.32)}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.quote-grid .quote:nth-child(3){margin-top:34px}}
.quote{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px 22px;display:flex;flex-direction:column;gap:16px;
}
.quote-head{display:flex;align-items:center;gap:12px}
.avatar{width:38px;height:38px;border:2px solid var(--edge);border-radius:var(--radius);flex:0 0 auto;
  background-image:linear-gradient(90deg,var(--coral) 50%,transparent 50%),linear-gradient(0deg,var(--mint) 50%,transparent 50%);
  background-size:12px 12px;background-color:var(--panel-2)}
.quote-head strong{display:block;font-size:15px}
.quote-head span{display:block;font-size:13px;color:var(--muted)}
.stars{display:flex;gap:4px}
.stars i{width:8px;height:8px;background:var(--gold);display:block}
.stars i.off{background:rgba(232,241,242,.18)}
.quote p{font-size:15px;color:rgba(232,241,242,.86)}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow-soft);margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;display:flex;align-items:center;gap:14px;
  font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";margin-left:auto;color:var(--coral);font-size:20px;font-weight:800;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item summary h3{font-size:16.5px;font-weight:700;display:inline}
.faq-item .ans{padding:0 20px 20px;color:rgba(232,241,242,.8);font-size:15px;line-height:1.85}
.faq-item[open]{border-color:rgba(255,107,61,.5)}

/* ---------- 保障条 ---------- */
.guard{
  background:var(--panel-2);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:640px){.guard{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.guard{grid-template-columns:repeat(4,1fr)}}
.guard-item{display:flex;gap:12px;align-items:flex-start}
.guard-mark{width:16px;height:16px;flex:0 0 auto;margin-top:6px;background:var(--mint);
  box-shadow:2px 2px 0 var(--edge),4px 4px 0 var(--edge)}
.guard-item strong{display:block;font-size:15px;margin-bottom:4px}
.guard-item span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- 联系 / CTA ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.contact-list li{display:flex;gap:12px;font-size:15px;color:rgba(232,241,242,.85)}
.contact-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;background:var(--coral);
  box-shadow:2px 2px 0 var(--edge)}
.form-card{background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 22px}
.form-row{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:16px}
@media(min-width:640px){.form-row.two{grid-template-columns:repeat(2,1fr)}}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:7px;letter-spacing:.04em}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;background:rgba(15,37,49,.85);border:2px solid var(--edge-soft);
  border-radius:var(--radius);font-size:15px;color:var(--white);transition:border-color .16s ease,background .16s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(143,169,180,.8)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--coral);background:rgba(15,37,49,1)}
.form-note{font-size:13.5px;color:var(--mint);margin-top:12px;min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:#081620;border-top:2px solid var(--edge-soft);padding:52px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:34px;border-bottom:2px dashed rgba(232,241,242,.14)}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:12px}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--white);letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a,.footer-col li{font-size:14px;color:var(--muted);line-height:1.7}
.footer-col a:hover{color:var(--coral)}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:20px}
.footer-bottom p{font-size:13.5px;color:rgba(143,169,180,.9)}

/* roulang page: category1 */
:root{
  --bg:#0B1B26;
  --panel:#12303D;
  --panel-2:#0F2531;
  --coral:#FF6B3D;
  --coral-dark:#E4562B;
  --mint:#35D6A4;
  --gold:#F2C14E;
  --white:#E8F1F2;
  --muted:#8FA9B4;
  --edge:#061218;
  --edge-soft:rgba(232,241,242,.18);
  --radius:2px;
  --shadow:4px 4px 0 #061218;
  --shadow-soft:4px 4px 0 rgba(6,18,24,.85);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--white);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.02em;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{position:relative;padding:48px 0}
@media (min-width:768px){.section{padding:76px 0}}
@media (min-width:1024px){.section{padding:92px 0}}
.section-alt{background:var(--panel-2);border-top:2px solid rgba(232,241,242,.1);border-bottom:2px solid rgba(232,241,242,.1)}
.section-scan::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:repeating-linear-gradient(90deg,rgba(232,241,242,.06) 0 3px,transparent 3px 6px);
}
.px-grid-bg{
  background-image:
    linear-gradient(rgba(232,241,242,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(232,241,242,.045) 1px,transparent 1px);
  background-size:8px 8px;
}
.px-eng{font-family:'Silkscreen',ui-monospace,monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.sec-title{display:flex;align-items:center;gap:12px;font-size:26px}
@media (min-width:1024px){.sec-title{font-size:31px}}
.sec-title::before{content:"";width:14px;height:14px;background:var(--coral);box-shadow:8px 8px 0 rgba(242,193,78,.55);flex:0 0 auto}
.sec-sub{color:var(--muted);font-size:14.5px;max-width:620px}
.sec-more{color:var(--coral);font-size:14px;font-weight:700;border-bottom:2px solid rgba(255,107,61,.4);padding-bottom:2px}
.sec-more:hover{border-bottom-color:var(--coral)}

/* 按钮 / 标签 / 卡片 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:var(--radius);border:2px solid var(--edge);
  font-weight:700;font-size:15px;letter-spacing:.04em;cursor:pointer;
  box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease;
}
.btn-primary{background:var(--coral);color:#0B1B26}
.btn-primary:hover{background:var(--coral-dark);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge)}
.btn-primary:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--edge)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(232,241,242,.45);box-shadow:var(--shadow-soft)}
.btn-ghost:hover{background:rgba(232,241,242,.12);transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(6,18,24,.85)}
.btn-sm{padding:9px 18px;font-size:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--radius);
  border:2px solid rgba(53,214,164,.45);color:var(--mint);font-size:13px;line-height:1.7;
  background:rgba(53,214,164,.08);letter-spacing:.04em;
}
.tag-gold{border-color:rgba(242,193,78,.5);color:var(--gold);background:rgba(242,193,78,.08)}
.tag-coral{border-color:rgba(255,107,61,.5);color:var(--coral);background:rgba(255,107,61,.08)}
.tag-muted{border-color:rgba(143,169,180,.45);color:var(--muted);background:rgba(143,169,180,.08)}
.px-card{
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.px-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(255,107,61,.55)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(11,27,38,.97);border-bottom:2px solid var(--edge-soft)}
.nav-wrap{position:relative;display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:.04em;flex:0 0 auto}
.brand-dot{display:grid;grid-template-columns:repeat(2,7px);gap:2px}
.brand-dot i{width:7px;height:7px;background:var(--coral);display:block}
.brand-dot i:nth-child(2){background:var(--gold)}
.brand-dot i:nth-child(3){background:var(--mint)}
.nav-main{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.nav-main > a{
  padding:8px 10px;font-size:14px;color:var(--muted);border-radius:var(--radius);
  border:2px solid transparent;white-space:nowrap;
  transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.nav-main > a:hover{color:var(--white);background:rgba(232,241,242,.07)}
.nav-main > a.active{color:var(--white);border-color:rgba(255,107,61,.5);background:rgba(255,107,61,.1)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;padding:0 8px 0 12px;height:38px;min-width:200px;
  border:2px solid var(--edge-soft);border-radius:var(--radius);background:rgba(15,37,49,.8);
  transition:border-color .16s ease;
}
.cmd-search:focus-within{border-color:var(--coral)}
.cmd-icon{
  width:12px;height:12px;flex:0 0 auto;border:2px solid var(--muted);border-radius:50%;position:relative;
}
.cmd-icon::after{content:"";position:absolute;right:-5px;bottom:-4px;width:6px;height:2px;background:var(--muted);transform:rotate(45deg)}
.cmd-search input{flex:1 1 auto;min-width:0;font-size:13.5px;color:var(--white)}
.cmd-search input::placeholder{color:rgba(143,169,180,.85)}
.cmd-search kbd{font-size:11px;color:var(--muted);border:1px solid rgba(232,241,242,.22);border-radius:2px;padding:1px 5px;flex:0 0 auto;font-family:ui-monospace,monospace}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:2px solid var(--edge-soft);border-radius:var(--radius);color:var(--muted);
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.icon-btn:hover{color:var(--coral);border-color:rgba(255,107,61,.5);background:rgba(255,107,61,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border:2px solid var(--edge-soft);border-radius:var(--radius);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;background:rgba(18,48,61,.6);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--white)}
.mobile-search{display:none}

/* 页脚 */
.site-footer{background:var(--panel-2);border-top:2px solid var(--edge-soft);padding:48px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:14px}
.footer-desc{color:var(--muted);font-size:14.5px}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--white);letter-spacing:.06em}
.footer-col ul li{color:var(--muted);font-size:14.5px;margin-bottom:10px}
.footer-col ul li a{border-bottom:2px solid transparent;transition:color .16s ease,border-color .16s ease}
.footer-col ul li a:hover{color:var(--coral);border-bottom-color:rgba(255,107,61,.5)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;
  margin-top:34px;padding-top:18px;border-top:2px dashed rgba(232,241,242,.16);
  color:var(--muted);font-size:13.5px;
}

/* ============ 分类页专属 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:#0B1B26 url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-bottom:2px solid var(--edge-soft);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,27,38,.9),rgba(11,27,38,.82)),
             linear-gradient(rgba(232,241,242,.05) 1px,transparent 1px),
             linear-gradient(90deg,rgba(232,241,242,.05) 1px,transparent 1px);
  background-size:auto,8px 8px,8px 8px;
}
.cat-hero .container{position:relative;z-index:2;padding-top:38px;padding-bottom:42px}
@media (min-width:768px){.cat-hero .container{padding-top:52px;padding-bottom:58px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumb a{border-bottom:2px solid transparent}
.crumb a:hover{color:var(--coral);border-bottom-color:rgba(255,107,61,.5)}
.crumb span.sep{color:rgba(143,169,180,.6)}
.cat-hero h1{font-size:clamp(26px,3.6vw,42px);max-width:900px}
.cat-lead{color:rgba(232,241,242,.86);font-size:16.5px;max-width:840px;margin-top:18px}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

.cat-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:1024px){.cat-grid{grid-template-columns:270px 1fr;gap:32px}}

.filter-col{align-self:start}
@media (min-width:1024px){.filter-col{position:sticky;top:92px}}
.filter-box{background:var(--panel);border:2px solid var(--edge-soft);box-shadow:var(--shadow);padding:20px;border-radius:var(--radius)}
.filter-title{font-size:15px;font-weight:800;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.filter-title::before{content:"";width:10px;height:10px;background:var(--mint)}
.filter-chips{display:flex;flex-wrap:wrap;gap:9px}
@media (min-width:1024px){.filter-chips{flex-direction:column;align-items:flex-start}}
.filter-chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius);
  border:2px solid var(--edge-soft);color:var(--muted);font-size:13.5px;cursor:pointer;
  transition:color .16s ease,border-color .16s ease,background .16s ease,transform .16s ease;
}
.filter-chip::before{content:"";width:6px;height:6px;background:rgba(143,169,180,.7)}
.filter-chip:hover{color:var(--white);border-color:rgba(255,107,61,.55);background:rgba(255,107,61,.08);transform:translate(2px,2px)}
.filter-chip.is-active{color:#0B1B26;background:var(--mint);border-color:var(--edge);box-shadow:3px 3px 0 var(--edge)}
.filter-chip.is-active::before{background:#0B1B26}
.filter-note{margin-top:18px;padding-top:16px;border-top:2px dashed rgba(232,241,242,.16);color:var(--muted);font-size:13.5px}

.list-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:20px}
.list-head h2{font-size:22px}
@media (min-width:1024px){.list-head h2{font-size:26px}}
.list-head .count{color:var(--muted);font-size:13.5px}

.item-list{display:flex;flex-direction:column;gap:20px}
.item-card{
  display:grid;grid-template-columns:1fr;gap:16px;padding:16px;
  background:var(--panel);border:2px solid var(--edge-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
@media (min-width:640px){.item-card{grid-template-columns:196px 1fr;gap:20px;padding:18px}}
@media (min-width:1024px){.item-card{grid-template-columns:216px 1fr}}
.item-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:var(--coral)}
.item-thumb{position:relative;border:2px solid var(--edge-soft);overflow:hidden}
.item-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.item-no{
  position:absolute;left:0;top:0;background:var(--gold);color:#0B1B26;
  font-family:'Silkscreen',ui-monospace,monospace;font-size:11px;padding:3px 7px;border-right:2px solid var(--edge);border-bottom:2px solid var(--edge);
}
.item-body{display:flex;flex-direction:column;gap:10px}
.item-title{font-size:18px;line-height:1.5}
.item-title:hover{color:var(--coral)}
.item-desc{color:var(--muted);font-size:14.5px;line-height:1.85}
.item-meta{display:flex;flex-wrap:wrap;gap:8px 16px;color:rgba(143,169,180,.95);font-size:13px;margin-top:auto;padding-top:10px;border-top:2px dashed rgba(232,241,242,.14)}

.pick-track{display:flex;gap:22px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory}
.pick-track::-webkit-scrollbar{height:8px}
.pick-track::-webkit-scrollbar-thumb{background:rgba(53,214,164,.4)}
.pick-card{
  flex:1 0 330px;min-width:290px;scroll-snap-align:start;position:relative;
  background:var(--panel);border:2px solid var(--edge-soft);box-shadow:var(--shadow);
  padding:22px;display:flex;flex-direction:column;gap:12px;border-radius:var(--radius);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pick-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(53,214,164,.6)}
.pick-badge{
  position:absolute;top:-2px;right:-2px;background:var(--mint);color:#0B1B26;font-weight:800;
  font-size:12.5px;padding:4px 12px;border:2px solid var(--edge);
}
.pick-card h3{font-size:19px;padding-right:56px}
.pick-card p{color:var(--muted);font-size:14.5px}
.pick-link{margin-top:auto;color:var(--mint);font-weight:700;font-size:14px;border-bottom:2px solid rgba(53,214,164,.45);align-self:flex-start;padding-bottom:2px}
.pick-link:hover{border-bottom-color:var(--mint)}

.use-steps{display:flex;flex-direction:column;gap:20px}
.use-step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--panel-2);border:2px solid var(--edge-soft);padding:20px;border-radius:var(--radius);
  box-shadow:var(--shadow);
}
@media (min-width:768px){.use-step{grid-template-columns:84px 1fr;gap:24px;padding:24px 26px}}
.use-num{
  display:flex;align-items:center;justify-content:center;height:44px;
  background:var(--coral);color:#0B1B26;border:2px solid var(--edge);
  font-family:'Silkscreen',ui-monospace,monospace;font-size:13px;box-shadow:3px 3px 0 var(--edge);
}
.use-step h3{font-size:18px;margin-bottom:8px}
.use-step p{color:var(--muted);font-size:14.8px}

.topic-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.topic-grid{grid-template-columns:repeat(3,1fr)}}
.topic-card{
  display:block;padding:20px;background:var(--panel);border:2px solid var(--edge-soft);
  box-shadow:var(--shadow);border-radius:var(--radius);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.topic-card:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--edge);border-color:rgba(242,193,78,.6)}
.topic-card .px-eng{color:var(--gold);display:block;margin-bottom:10px}
.topic-card h3{font-size:17px;margin-bottom:8px}
.topic-card p{color:var(--muted);font-size:14px}

.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{background:var(--panel);border:2px solid var(--edge-soft);box-shadow:var(--shadow);border-radius:var(--radius)}
.faq-item[open]{border-color:rgba(255,107,61,.5)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-size:16.5px;font-weight:700;
  display:flex;align-items:flex-start;gap:12px;transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";width:10px;height:10px;background:var(--coral);flex:0 0 auto;margin-top:9px}
.faq-item summary:hover{color:var(--coral)}
.faq-item p{padding:0 20px 18px 42px;color:var(--muted);font-size:14.8px}

.cta-band{background:var(--panel);border:2px solid var(--edge-soft);box-shadow:var(--shadow);padding:28px;border-radius:var(--radius)}
@media (min-width:768px){.cta-band{padding:40px 44px}}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}

@media (max-width:1024px){
  .cmd-search{display:none}
  .icon-btn{display:none}
  .nav-toggle{display:flex}
  .nav-main{
    display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--panel);border-top:2px solid var(--edge-soft);border-bottom:2px solid var(--edge-soft);
    padding:14px 20px 20px;gap:4px;max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .nav-main.open{display:flex}
  .nav-main > a{padding:12px 10px;font-size:15px;border-bottom:1px dashed rgba(232,241,242,.12)}
  .mobile-search{
    display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;margin-bottom:10px;
    border:2px solid var(--edge-soft);border-radius:var(--radius);background:rgba(15,37,49,.85);
  }
  .mobile-search input{flex:1 1 auto;font-size:14px;min-width:0}
}
@media (max-width:520px){
  .brand{font-size:16px}
  .cat-hero .container{padding-top:28px;padding-bottom:30px}
  .item-card{padding:14px}
  .cta-band{padding:22px}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
}