/* roulang page: index */
:root{
  --bg:#060b18;
  --bg-soft:#0a1225;
  --bg-deep:#040810;
  --panel:rgba(18,30,54,.72);
  --panel-solid:#0e1a30;
  --stroke:rgba(118,168,255,.18);
  --stroke-strong:rgba(118,168,255,.36);
  --text:#e9eefb;
  --text-soft:#b6c3dd;
  --muted:#8b9bbd;
  --primary:#3d8bff;
  --primary-deep:#2364d8;
  --accent:#35e0c8;
  --accent-soft:rgba(53,224,200,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-s:0 6px 18px rgba(2,8,20,.45);
  --shadow-m:0 16px 40px rgba(2,8,20,.55);
  --glow:0 0 26px rgba(61,139,255,.42);
  --glow-accent:0 0 22px rgba(53,224,200,.35);
  --space:clamp(48px,6vw,88px);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 480px at 12% -8%, rgba(61,139,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(53,224,200,.12), transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.32;font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(26px,3.4vw,42px);}
h2{font-size:clamp(22px,2.4vw,31px);}
h3{font-size:clamp(17px,1.5vw,20px);}
p{margin:0 0 14px;color:var(--text-soft);}
ul,ol{margin:0 0 14px;padding-left:1.15em;color:var(--text-soft);}
li{margin-bottom:8px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 clamp(16px,3vw,32px);
}
.section{padding:var(--space) 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(10,18,37,.9),rgba(6,11,24,.35));border-top:1px solid rgba(118,168,255,.08);border-bottom:1px solid rgba(118,168,255,.08);}
.section-head{margin-bottom:clamp(24px,3vw,40px);max-width:820px;}
.section-head p{margin-bottom:0;font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(53,224,200,.28);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
  font-weight:600;
}
.eyebrow i{font-size:12px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:70px;
  padding-top:10px;padding-bottom:10px;
  flex-wrap:wrap;
}
.brand{
  display:flex;align-items:center;gap:11px;
  font-weight:700;font-size:15.5px;line-height:1.25;
  color:var(--text);
  flex:0 0 auto;
  max-width:340px;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(61,139,255,.92),rgba(53,224,200,.9));
  color:#03101f;font-weight:800;font-size:16px;
  box-shadow:var(--glow);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;}
.nav-search{
  flex:1 1 220px;min-width:180px;max-width:360px;
  position:relative;
}
.nav-search input{
  width:100%;
  background:rgba(12,22,42,.9);
  border:1px solid var(--stroke);
  border-radius:999px;
  color:var(--text);
  font-size:13.5px;
  padding:9px 16px 9px 38px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:#6b7c9e;}
.nav-search input:focus{border-color:var(--stroke-strong);box-shadow:0 0 0 3px rgba(61,139,255,.16);outline:none;}
.nav-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:13px;pointer-events:none;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.main-nav a{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;
  font-size:14px;
  border-radius:999px;
  color:var(--text-soft);
  border:1px solid transparent;
  transition:all .22s ease;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(61,139,255,.12);border-color:var(--stroke);}
.main-nav a.active{color:#04101f;background:linear-gradient(135deg,var(--primary),var(--accent));font-weight:700;box-shadow:var(--glow);}
.nav-tools{display:flex;align-items:center;gap:8px;}
.chip{
  font-size:12px;padding:5px 11px;border-radius:999px;
  border:1px solid var(--stroke);
  color:var(--muted);background:rgba(14,26,48,.7);
  white-space:nowrap;
}
.chip--accent{color:var(--accent);border-color:rgba(53,224,200,.34);background:var(--accent-soft);}

/* ===== 文档式主体布局 ===== */
.doc-layout{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:clamp(20px,3vw,44px);
  align-items:start;
}
.doc-side{
  position:sticky;top:92px;
  padding:20px 16px;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-s);
}
.doc-side h2{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:600;}
.doc-side ol{list-style:none;margin:0;padding:0;counter-reset:doc;}
.doc-side li{margin:0 0 3px;}
.doc-side a{
  display:block;font-size:13.5px;color:var(--text-soft);
  padding:8px 11px;border-radius:9px;
  border-left:2px solid transparent;
  transition:all .2s ease;
}
.doc-side a:hover{background:rgba(61,139,255,.13);color:var(--text);border-left-color:var(--primary);}
.doc-side .side-foot{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(118,168,255,.2);font-size:12.5px;color:var(--muted);}

/* ===== Hero 裂变邀请首屏 ===== */
.hero{
  position:relative;
  padding:clamp(36px,5vw,68px) 0 clamp(40px,5vw,72px);
  overflow:hidden;
  border-bottom:1px solid var(--stroke);
}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/a36c474b2a5087fa.jpg') center/cover no-repeat;
  opacity:.30;
  filter:saturate(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(5,10,22,.96) 8%,rgba(5,10,22,.78) 52%,rgba(6,20,38,.62) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(24px,4vw,52px);align-items:center;}
.hero h1{margin-bottom:16px;}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:15.5px;color:var(--text-soft);max-width:60ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;
  font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease;
  text-align:center;
}
.btn-primary{
  color:#03101f;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(53,224,200,.5);}
.btn-ghost{
  color:var(--text);background:rgba(16,30,54,.7);
  border-color:var(--stroke-strong);
}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);background:rgba(53,224,200,.1);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;}

.glass-card{
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-l);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-m);
  padding:clamp(20px,2.4vw,30px);
}
.invite-card{position:relative;overflow:hidden;}
.invite-card::before{
  content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;
  background:radial-gradient(circle,rgba(53,224,200,.42),transparent 68%);
  pointer-events:none;
}
.invite-card h2{font-size:18px;margin-bottom:6px;}
.invite-card .invite-sub{font-size:13px;color:var(--muted);margin-bottom:18px;}
.reward-list{list-style:none;margin:0 0 18px;padding:0;}
.reward-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--text-soft);margin-bottom:11px;
}
.reward-list i{color:var(--accent);margin-top:5px;font-size:12px;flex:0 0 auto;}
.progress-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.progress{
  height:9px;border-radius:999px;background:rgba(118,168,255,.14);
  overflow:hidden;margin-bottom:18px;
  border:1px solid rgba(118,168,255,.16);
}
.progress-bar{
  height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:var(--glow-accent);
}
.invite-card .btn{width:100%;}

/* ===== 下载区 ===== */
.download-band{
  margin-top:clamp(26px,3vw,40px);
  position:relative;z-index:2;
}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.dl-card{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  background:rgba(14,26,48,.8);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.dl-card:hover{transform:translateY(-3px);border-color:var(--stroke-strong);box-shadow:var(--shadow-m);}
.dl-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:rgba(61,139,255,.16);color:var(--primary);
  border:1px solid rgba(61,139,255,.3);
}
.dl-card:nth-child(2) .dl-icon{background:rgba(53,224,200,.14);color:var(--accent);border-color:rgba(53,224,200,.3);}
.dl-card:nth-child(3) .dl-icon{background:rgba(160,120,255,.15);color:#b39dff;border-color:rgba(160,120,255,.3);}
.dl-body{min-width:0;}
.dl-body strong{display:block;font-size:14.5px;color:var(--text);margin-bottom:2px;}
.dl-body span{font-size:12.5px;color:var(--muted);}
.dl-card .fa-arrow-down{margin-left:auto;color:var(--muted);font-size:13px;transition:transform .22s ease,color .22s ease;}
.dl-card:hover .fa-arrow-down{color:var(--accent);transform:translateY(2px);}

/* ===== 指标条 ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.metric{
  padding:22px 20px;border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(20,34,60,.86),rgba(10,18,37,.7));
  border:1px solid var(--stroke);
  transition:border-color .22s ease,transform .22s ease;
}
.metric:hover{border-color:var(--stroke-strong);transform:translateY(-3px);}
.metric i{color:var(--accent);font-size:17px;margin-bottom:10px;display:block;}
.metric strong{display:block;font-size:19px;color:var(--text);margin-bottom:4px;}
.metric span{font-size:13px;color:var(--muted);}

/* ===== 入口矩阵 ===== */
.entry-wrap{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:clamp(22px,3.4vw,44px);align-items:start;}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.entry-card{
  display:block;padding:20px;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 14px 32px rgba(2,8,20,.55);background:rgba(22,38,66,.8);}
.entry-card i{font-size:17px;color:var(--primary);margin-bottom:10px;display:block;}
.entry-card strong{display:block;font-size:15px;color:var(--text);margin-bottom:5px;}
.entry-card span{font-size:13px;color:var(--muted);line-height:1.6;display:block;}

/* ===== 资讯列表 ===== */
.feed-split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(20px,3vw,36px);align-items:start;}
.feed-list{display:grid;gap:12px;}
.feed-item{
  display:block;padding:18px 20px;
  background:rgba(14,26,48,.72);
  border:1px solid var(--stroke);
  border-left:3px solid transparent;
  border-radius:var(--radius-s);
  transition:all .22s ease;
}
.feed-item:hover{border-left-color:var(--accent);background:rgba(22,38,66,.86);transform:translateX(3px);}
.feed-item h3{font-size:15.5px;margin-bottom:6px;color:var(--text);}
.feed-item p{font-size:13.2px;color:var(--muted);margin-bottom:10px;line-height:1.65;}
.feed-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);}
.feed-meta span{
  padding:2px 9px;border-radius:999px;
  background:rgba(61,139,255,.12);
  border:1px solid rgba(61,139,255,.2);
  color:#9fc0ff;
}
.feed-meta span:last-child{background:rgba(53,224,200,.1);border-color:rgba(53,224,200,.22);color:var(--accent);}
.empty-note{
  padding:24px;border:1px dashed var(--stroke-strong);border-radius:var(--radius-m);
  color:var(--muted);font-size:14px;text-align:center;background:rgba(12,22,42,.5);
}
.side-panel{
  padding:22px;border-radius:var(--radius-m);
  background:var(--panel);border:1px solid var(--stroke);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.side-panel h3{font-size:15.5px;margin-bottom:14px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{
  border-bottom:1px dashed rgba(118,168,255,.16);
  padding-bottom:11px;margin-bottom:11px;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0;}
.side-list a{font-size:13.4px;color:var(--text-soft);display:block;}
.side-list a:hover{color:var(--accent);}
.side-list small{display:block;font-size:12px;color:var(--muted);margin-top:3px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag-cloud a{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--stroke);color:var(--text-soft);
  background:rgba(16,30,54,.6);transition:all .2s ease;
}
.tag-cloud a:hover{border-color:var(--accent);color:var(--accent);background:rgba(53,224,200,.1);}

/* ===== 分类专题卡（带图） ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.topic-card{
  border-radius:var(--radius-m);overflow:hidden;
  background:rgba(14,26,48,.78);
  border:1px solid var(--stroke);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--shadow-m);}
.topic-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.9;}
.topic-card:hover .topic-thumb img{transform:scale(1.06);opacity:1;}
.topic-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(6,11,24,.86));}
.topic-body{padding:18px 20px 22px;}
.topic-body h3{font-size:15.5px;margin-bottom:7px;}
.topic-body p{font-size:13.2px;color:var(--muted);margin:0;}
.badge{
  display:inline-block;font-size:11.5px;padding:3px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  border:1px solid rgba(53,224,200,.28);margin-bottom:10px;font-weight:600;
}

/* ===== 步骤时间线 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{
  position:relative;padding:22px 20px;
  background:rgba(10,18,37,.72);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  transition:border-color .22s ease,transform .22s ease;
}
.step:hover{border-color:var(--stroke-strong);transform:translateY(-3px);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:12px;font-weight:700;color:var(--accent);
  display:inline-block;margin-bottom:10px;letter-spacing:.12em;
}
.step strong{display:block;font-size:15px;color:var(--text);margin-bottom:6px;}
.step span{font-size:13px;color:var(--muted);line-height:1.62;display:block;}

/* ===== 保障 / 对比 ===== */
.assure-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.assure{
  padding:24px 22px;border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(20,36,62,.85),rgba(9,16,33,.72));
  border:1px solid var(--stroke);
}
.assure i{font-size:20px;color:var(--accent);margin-bottom:12px;display:block;}
.assure h3{font-size:15.5px;margin-bottom:8px;}
.assure p{font-size:13.2px;color:var(--muted);margin:0;}

.compare{
  width:100%;border-collapse:separate;border-spacing:0;
  background:rgba(12,22,42,.72);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  overflow:hidden;font-size:13.6px;
}
.compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(118,168,255,.12);color:var(--text-soft);}
.compare thead th{background:rgba(20,36,62,.9);color:var(--text);font-size:13.5px;font-weight:700;}
.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr:hover td{background:rgba(61,139,255,.07);}
.compare .col-hot{color:var(--accent);font-weight:600;}

/* ===== 场景 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.scene{
  padding:24px;border-radius:var(--radius-m);
  border:1px solid var(--stroke);
  background:rgba(14,26,48,.7);
}
.scene h3{font-size:16px;margin-bottom:10px;display:flex;align-items:center;gap:9px;}
.scene h3 i{color:var(--accent);font-size:15px;}
.scene ul{list-style:none;margin:0;padding:0;}
.scene li{font-size:13.4px;color:var(--muted);padding-left:18px;position:relative;margin-bottom:9px;}
.scene li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* ===== 更新节奏 ===== */
.log-list{display:grid;gap:12px;}
.log-item{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;
  padding:16px 18px;border-radius:var(--radius-s);
  background:rgba(10,18,37,.7);
  border:1px solid var(--stroke);
  transition:border-color .2s ease;
}
.log-item:hover{border-color:var(--stroke-strong);}
.log-item time{font-size:12.5px;color:var(--accent);letter-spacing:.05em;}
.log-item p{margin:0;font-size:13.4px;color:var(--text-soft);}
.log-item strong{color:var(--text);}

/* ===== 多端 ===== */
.multi-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(22px,3.4vw,44px);align-items:center;}
.multi-figure{
  border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--stroke);box-shadow:var(--shadow-m);
}
.multi-figure img{width:100%;height:100%;object-fit:cover;}
.multi-points{list-style:none;margin:18px 0 22px;padding:0;}
.multi-points li{display:flex;gap:10px;font-size:13.6px;color:var(--text-soft);margin-bottom:10px;}
.multi-points i{color:var(--accent);margin-top:5px;font-size:12px;}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.faq-item{
  padding:20px 22px;border-radius:var(--radius-m);
  background:rgba(14,26,48,.7);
  border:1px solid var(--stroke);
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--stroke-strong);}
.faq-item h3{font-size:14.8px;margin-bottom:8px;display:flex;gap:9px;align-items:flex-start;}
.faq-item h3 i{color:var(--accent);font-size:13px;margin-top:5px;flex:0 0 auto;}
.faq-item p{font-size:13.3px;color:var(--muted);margin:0;}

/* ===== 收口 ===== */
.cta-band{
  padding:clamp(30px,4vw,52px);
  border-radius:var(--radius-l);
  background:
    radial-gradient(600px 240px at 12% 0%,rgba(61,139,255,.28),transparent 65%),
    radial-gradient(520px 240px at 88% 100%,rgba(53,224,200,.22),transparent 62%),
    rgba(12,22,42,.86);
  border:1px solid var(--stroke-strong);
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-m);
}
.cta-band h2{margin-bottom:8px;}
.cta-band p{margin:0;font-size:14px;color:var(--text-soft);max-width:62ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:var(--space);
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(6,11,24,.6),rgba(4,8,16,.96));
  padding:clamp(38px,5vw,62px) 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:clamp(20px,3vw,40px);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;font-weight:700;font-size:15px;}
.footer-brand:hover{color:var(--text);}
.site-footer p{font-size:13.2px;color:var(--muted);}
.site-footer h4{font-size:13.5px;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:9px;}
.footer-links a{font-size:13.2px;color:var(--muted);}
.footer-links a:hover{color:var(--accent);}
.footer-dl{display:grid;gap:9px;}
.footer-dl a{
  display:flex;align-items:center;gap:9px;
  font-size:13px;color:var(--text-soft);
  padding:9px 13px;border-radius:10px;
  border:1px solid var(--stroke);
  background:rgba(14,26,48,.6);
  transition:all .2s ease;
}
.footer-dl a:hover{border-color:var(--accent);color:var(--accent);background:rgba(53,224,200,.08);}
.footer-bottom{
  margin-top:clamp(26px,3vw,40px);
  padding-top:20px;
  border-top:1px solid rgba(118,168,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .doc-layout{grid-template-columns:1fr;}
  .doc-side{position:static;display:flex;flex-wrap:wrap;gap:8px;align-items:center;overflow-x:auto;}
  .doc-side h2{width:100%;margin-bottom:8px;}
  .doc-side ol{display:flex;flex-wrap:wrap;gap:6px;}
  .doc-side li{margin:0;}
  .doc-side a{padding:6px 12px;border-radius:999px;border:1px solid var(--stroke);border-left:1px solid var(--stroke);font-size:13px;white-space:nowrap;}
  .doc-side .side-foot{display:none;}
  .hero-inner{grid-template-columns:1fr;}
  .entry-wrap{grid-template-columns:1fr;}
  .feed-split{grid-template-columns:1fr;}
  .multi-wrap{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:768px){
  body{font-size:15px;}
  .header-inner{gap:10px;padding-top:8px;padding-bottom:8px;}
  .brand{font-size:14px;max-width:100%;}
  .brand-text small{display:none;}
  .nav-search{order:3;flex:1 1 100%;max-width:100%;}
  .main-nav{order:2;margin-left:0;width:100%;gap:6px;overflow-x:auto;padding-bottom:2px;}
  .main-nav a{padding:7px 12px;font-size:13px;}
  .nav-tools{display:none;}
  .download-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .log-item{grid-template-columns:1fr;gap:6px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .compare{display:block;overflow-x:auto;white-space:nowrap;}
}
@media screen and (max-width:520px){
  :root{--space:44px;}
  .metric-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .btn{padding:11px 18px;font-size:13.6px;}
  .hero-lead{font-size:14.5px;}
}

/* roulang page: article */
:root{
  --bg:#060b18;
  --bg-soft:#0a1225;
  --bg-deep:#040810;
  --panel:rgba(18,30,54,.72);
  --panel-solid:#0e1a30;
  --stroke:rgba(118,168,255,.18);
  --stroke-strong:rgba(118,168,255,.36);
  --text:#e9eefb;
  --text-soft:#b6c3dd;
  --muted:#8b9bbd;
  --primary:#3d8bff;
  --primary-deep:#2364d8;
  --accent:#35e0c8;
  --accent-soft:rgba(53,224,200,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-s:0 6px 18px rgba(2,8,20,.45);
  --shadow-m:0 16px 40px rgba(2,8,20,.55);
  --glow:0 0 26px rgba(61,139,255,.42);
  --glow-accent:0 0 22px rgba(53,224,200,.35);
  --space:clamp(48px,6vw,88px);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 480px at 12% -8%, rgba(61,139,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(53,224,200,.12), transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;height:auto;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,opacity .22s ease,background .22s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.35;font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(24px,3.2vw,38px);}
h2{font-size:clamp(21px,2.4vw,29px);}
h3{font-size:clamp(17px,1.6vw,20px);}
p{margin:0 0 1em;color:var(--text-soft);}
ul,ol{margin:0 0 1em;padding-left:1.2em;color:var(--text-soft);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(16px,3vw,32px);}
.section{padding:var(--space) 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(10,18,37,.9),rgba(6,11,24,.35));
  border-top:1px solid rgba(118,168,255,.08);
  border-bottom:1px solid rgba(118,168,255,.08);
}
.section-head{margin-bottom:clamp(24px,3vw,40px);max-width:860px;}
.section-head p{margin-bottom:0;font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid rgba(53,224,200,.28);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;font-weight:600;
}
.eyebrow i{font-size:12px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:70px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:15.5px;line-height:1.25;color:var(--text);flex:0 0 auto;max-width:340px;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(61,139,255,.92),rgba(53,224,200,.9));
  color:#03101f;font-weight:800;font-size:16px;box-shadow:var(--glow);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;}
.nav-search{flex:1 1 220px;min-width:170px;max-width:360px;position:relative;}
.nav-search input{
  width:100%;background:rgba(12,22,42,.9);border:1px solid var(--stroke);
  border-radius:999px;color:var(--text);font-size:13.5px;padding:9px 16px 9px 38px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:#6b7c9e;}
.nav-search input:focus{border-color:var(--stroke-strong);box-shadow:0 0 0 3px rgba(61,139,255,.16);outline:none;}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;pointer-events:none;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.main-nav a{
  display:inline-flex;align-items:center;gap:7px;padding:8px 14px;font-size:14px;
  border-radius:999px;color:var(--text-soft);border:1px solid transparent;
  transition:all .22s ease;white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(61,139,255,.12);border-color:var(--stroke);}
.main-nav a.active{color:#04101f;background:linear-gradient(135deg,var(--primary),var(--accent));font-weight:700;box-shadow:var(--glow);}
.nav-tools{display:flex;align-items:center;gap:8px;}
.chip{
  font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--stroke);
  color:var(--muted);background:rgba(14,26,48,.7);white-space:nowrap;
}
.chip--accent{color:var(--accent);border-color:rgba(53,224,200,.34);background:var(--accent-soft);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .24s ease;
}
.btn--primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#04101f;box-shadow:var(--glow);}
.btn--primary:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(61,139,255,.55);}
.btn--ghost{background:rgba(14,26,48,.7);border-color:var(--stroke-strong);color:var(--text);}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

/* ===== 文章首屏 ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:clamp(28px,4vw,52px) 0 clamp(34px,4.6vw,60px);
  border-bottom:1px solid var(--stroke);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/b745e4d790b167e2.webp') center/cover no-repeat;
  opacity:.18;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(5,10,22,.96) 6%,rgba(5,10,22,.82) 48%,rgba(6,20,38,.66) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.5;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:clamp(24px,4vw,48px);align-items:center;}
.article-hero h1{margin-bottom:16px;font-size:clamp(23px,3vw,36px);}
.article-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.article-lead{font-size:15.5px;color:var(--text-soft);max-width:64ch;margin-bottom:22px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.meta-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;
  padding:6px 13px;border-radius:999px;border:1px solid var(--stroke);
  background:rgba(14,26,48,.78);color:var(--text-soft);
}
.meta-pill i{color:var(--accent);font-size:12px;}
.article-cover{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--stroke-strong);box-shadow:var(--shadow-m);
  background:var(--panel-solid);
}
.article-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.article-cover:hover img{transform:scale(1.04);}
.cover-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;
  background:rgba(4,10,20,.72);color:var(--accent);
  border:1px solid rgba(53,224,200,.4);
  backdrop-filter:blur(6px);
}

/* ===== 正文布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:clamp(24px,3.4vw,44px);align-items:start;}
.article-panel{
  background:var(--panel);border:1px solid var(--stroke);
  border-radius:var(--radius-l);padding:clamp(20px,3vw,38px);
  box-shadow:var(--shadow-s);backdrop-filter:blur(12px);
}
.article-content{font-size:16.5px;line-height:1.9;color:var(--text-soft);}
.article-content h2{
  font-size:clamp(19px,2vw,24px);color:var(--text);margin:1.6em 0 .7em;
  padding-left:14px;border-left:4px solid var(--primary);line-height:1.45;
}
.article-content h3{font-size:clamp(16.5px,1.6vw,19px);color:var(--text);margin:1.4em 0 .6em;}
.article-content h4{font-size:16px;color:var(--text);margin:1.2em 0 .5em;}
.article-content p{margin-bottom:1.05em;}
.article-content a{color:var(--accent);border-bottom:1px dashed rgba(53,224,200,.5);}
.article-content a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.article-content img{border-radius:var(--radius-m);margin:18px 0;box-shadow:var(--shadow-s);}
.article-content ul,.article-content ol{padding-left:1.35em;margin-bottom:1.1em;}
.article-content li{margin-bottom:.5em;}
.article-content li::marker{color:var(--accent);}
.article-content blockquote{
  margin:20px 0;padding:16px 20px;
  border-left:3px solid var(--accent);
  background:rgba(53,224,200,.07);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--text-soft);
}
.article-content hr{border:0;border-top:1px solid var(--stroke);margin:28px 0;}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.article-content th,.article-content td{border:1px solid var(--stroke);padding:10px 13px;text-align:left;}
.article-content th{background:rgba(61,139,255,.14);color:var(--text);font-weight:600;}
.article-content strong{color:var(--text);}
.notfound{padding:34px 0;text-align:left;}
.notfound h2{color:var(--text);}
.notfound .btn{margin-top:14px;}

/* ===== 侧栏 ===== */
.article-aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:92px;}
.aside-card{
  background:var(--panel);border:1px solid var(--stroke);
  border-radius:var(--radius-m);padding:20px;
  box-shadow:var(--shadow-s);backdrop-filter:blur(10px);
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.aside-card:hover{border-color:var(--stroke-strong);transform:translateY(-3px);box-shadow:var(--shadow-m);}
.aside-card h3{font-size:15px;margin-bottom:12px;color:var(--text);display:flex;align-items:center;gap:8px;}
.aside-card h3 i{color:var(--accent);font-size:13px;}
.aside-card p{font-size:13.8px;margin-bottom:0;color:var(--muted);line-height:1.7;}
.aside-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.aside-list li{font-size:13.8px;color:var(--text-soft);display:flex;gap:9px;align-items:flex-start;}
.aside-list i{color:var(--accent);font-size:12px;margin-top:6px;}
.aside-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--radius-s);
  border:1px solid var(--stroke);background:rgba(61,139,255,.10);
  font-size:13.8px;color:var(--text);font-weight:600;
  transition:all .22s ease;
}
.aside-link:hover{background:rgba(61,139,255,.2);border-color:var(--stroke-strong);color:var(--accent);}
.aside-link i{font-size:12px;}
.dl-mini{display:flex;flex-direction:column;gap:9px;}
.dl-mini a{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--radius-s);
  background:rgba(14,26,48,.85);border:1px solid var(--stroke);
  font-size:13.5px;color:var(--text-soft);
  transition:all .22s ease;
}
.dl-mini a i{color:var(--accent);font-size:14px;width:16px;text-align:center;}
.dl-mini a:hover{color:var(--text);border-color:var(--stroke-strong);background:rgba(61,139,255,.16);transform:translateX(3px);}

/* ===== 鉴茶四步 ===== */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step-card{
  position:relative;background:var(--panel);border:1px solid var(--stroke);
  border-radius:var(--radius-m);padding:24px 20px;
  box-shadow:var(--shadow-s);overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.step-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.7;
}
.step-card:hover{transform:translateY(-5px);border-color:var(--stroke-strong);box-shadow:var(--shadow-m);}
.step-num{
  font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--accent);
  display:block;margin-bottom:10px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14px;margin-bottom:0;color:var(--muted);}

/* ===== 茶类对照 ===== */
.tea-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.tea-card{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.tea-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--shadow-m);}
.tea-card h3{font-size:17px;display:flex;align-items:center;gap:9px;margin-bottom:10px;}
.tea-dot{width:9px;height:9px;border-radius:50%;flex:0 0 9px;background:var(--accent);box-shadow:var(--glow-accent);}
.tea-card p{font-size:14px;color:var(--muted);margin-bottom:12px;}
.tea-tags{display:flex;flex-wrap:wrap;gap:7px;}
.tag{
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(61,139,255,.13);border:1px solid var(--stroke);
  color:var(--text-soft);white-space:nowrap;
}

/* ===== 到店清单 ===== */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(24px,4vw,52px);align-items:center;}
.split-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--stroke-strong);box-shadow:var(--shadow-m);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .6s ease;}
.split-media:hover img{transform:scale(1.05);}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.checklist li{
  display:flex;gap:13px;align-items:flex-start;
  background:var(--panel);border:1px solid var(--stroke);
  border-radius:var(--radius-s);padding:14px 16px;font-size:14.5px;color:var(--text-soft);
  transition:border-color .22s ease,transform .22s ease;
}
.checklist li:hover{border-color:var(--stroke-strong);transform:translateX(3px);}
.checklist i{color:var(--accent);font-size:14px;margin-top:5px;}
.checklist strong{color:var(--text);display:block;font-size:14.5px;margin-bottom:2px;}

/* ===== 下载区 ===== */
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.dl-card{
  background:var(--panel);border:1px solid var(--stroke);
  border-radius:var(--radius-l);padding:28px 24px;text-align:left;
  box-shadow:var(--shadow-s);position:relative;overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.dl-card:hover{transform:translateY(-6px);border-color:var(--stroke-strong);box-shadow:var(--shadow-m);}
.dl-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(61,139,255,.9),rgba(53,224,200,.85));
  color:#04101f;font-size:19px;margin-bottom:16px;box-shadow:var(--glow);
}
.dl-card h3{font-size:17.5px;margin-bottom:8px;}
.dl-card p{font-size:13.8px;color:var(--muted);margin-bottom:18px;}
.dl-card .btn{width:100%;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px;}
details.faq-item{
  background:var(--panel);border:1px solid var(--stroke);
  border-radius:var(--radius-m);padding:0;overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
details.faq-item[open]{border-color:var(--stroke-strong);box-shadow:var(--shadow-s);}
details.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 22px;
  font-size:15.5px;font-weight:600;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  transition:color .22s ease;
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary:hover{color:var(--accent);}
details.faq-item summary i{color:var(--accent);font-size:13px;transition:transform .24s ease;flex:0 0 auto;}
details.faq-item[open] summary i{transform:rotate(180deg);}
.faq-body{padding:0 22px 18px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--stroke);
  padding:clamp(38px,5vw,62px) 0 22px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:clamp(22px,3vw,42px);}
.footer-brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:15.5px;color:var(--text);margin-bottom:14px;}
.footer-brand:hover{color:var(--accent);}
.footer-grid p{font-size:13.5px;color:var(--muted);line-height:1.8;max-width:36ch;}
.footer-grid h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:var(--muted);}
.footer-links a:hover{color:var(--accent);}
.footer-dl{display:grid;gap:9px;}
.footer-dl a{
  display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);
  padding:8px 12px;border:1px solid var(--stroke);border-radius:var(--radius-s);
  background:rgba(14,26,48,.6);transition:all .22s ease;
}
.footer-dl a i{color:var(--accent);width:15px;text-align:center;}
.footer-dl a:hover{color:var(--text);border-color:var(--stroke-strong);background:rgba(61,139,255,.14);}
.footer-bottom{
  margin-top:clamp(28px,4vw,44px);padding-top:18px;
  border-top:1px solid rgba(118,168,255,.12);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .article-cover{max-width:520px;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-aside .aside-card{flex:1 1 280px;}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tea-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:768px){
  .header-inner{gap:12px;}
  .brand{max-width:100%;font-size:14.5px;}
  .nav-search{order:4;flex:1 1 100%;max-width:100%;}
  .main-nav{order:5;flex:1 1 100%;margin-left:0;gap:6px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
  .main-nav::-webkit-scrollbar{height:0;}
  .nav-tools{display:none;}
  .download-grid{grid-template-columns:1fr;}
  .tea-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .article-panel{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  body{font-size:15.5px;}
  .main-nav a{font-size:13px;padding:7px 12px;}
  .article-hero h1{font-size:22px;}
  .article-meta{gap:8px;}
  .meta-pill{font-size:12px;padding:5px 10px;}
  .article-content{font-size:15.8px;}
  .btn{padding:11px 18px;font-size:14px;}
  .dl-card{padding:22px 18px;}
  details.faq-item summary{font-size:14.5px;padding:15px 16px;}
  .faq-body{padding:0 16px 16px;}
}

/* roulang page: category1 */
:root{
  --bg:#060b18;
  --bg-soft:#0a1225;
  --bg-deep:#040810;
  --panel:rgba(18,30,54,.72);
  --panel-solid:#0e1a30;
  --stroke:rgba(118,168,255,.18);
  --stroke-strong:rgba(118,168,255,.36);
  --text:#e9eefb;
  --text-soft:#b6c3dd;
  --muted:#8b9bbd;
  --primary:#3d8bff;
  --primary-deep:#2364d8;
  --accent:#35e0c8;
  --accent-soft:rgba(53,224,200,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-s:0 6px 18px rgba(2,8,20,.45);
  --shadow-m:0 16px 40px rgba(2,8,20,.55);
  --glow:0 0 26px rgba(61,139,255,.42);
  --glow-accent:0 0 22px rgba(53,224,200,.35);
  --space:clamp(48px,6vw,88px);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 480px at 12% -8%, rgba(61,139,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(53,224,200,.12), transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.28;font-weight:700;color:var(--text);letter-spacing:.01em;}
h1{font-size:clamp(27px,4vw,42px);}
h2{font-size:clamp(21px,2.6vw,30px);}
h3{font-size:clamp(16.5px,1.6vw,19px);}
h4{font-size:15.5px;}
p{margin:0 0 1em;color:var(--text-soft);font-size:15.5px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(16px,3vw,32px);}
.section{padding:var(--space) 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(10,18,37,.9),rgba(6,11,24,.35));
  border-top:1px solid rgba(118,168,255,.08);
  border-bottom:1px solid rgba(118,168,255,.08);
}
.section-head{margin-bottom:clamp(22px,3vw,38px);max-width:840px;}
.section-head p{margin-bottom:0;font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(53,224,200,.28);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
  font-weight:600;
}
.eyebrow i{font-size:12px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:70px;
  padding-top:10px;padding-bottom:10px;
  flex-wrap:wrap;
}
.brand{
  display:flex;align-items:center;gap:11px;
  font-weight:700;font-size:15.5px;line-height:1.25;
  color:var(--text);
  flex:0 0 auto;
  max-width:340px;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(61,139,255,.92),rgba(53,224,200,.9));
  color:#03101f;font-weight:800;font-size:16px;
  box-shadow:var(--glow);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;}
.nav-search{flex:1 1 220px;min-width:180px;max-width:360px;position:relative;}
.nav-search input{
  width:100%;
  background:rgba(12,22,42,.9);
  border:1px solid var(--stroke);
  border-radius:999px;
  color:var(--text);
  font-size:13.5px;
  padding:9px 16px 9px 38px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:#6b7c9e;}
.nav-search input:focus{border-color:var(--stroke-strong);box-shadow:0 0 0 3px rgba(61,139,255,.16);outline:none;}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;pointer-events:none;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.main-nav a{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;
  font-size:14px;
  border-radius:999px;
  color:var(--text-soft);
  border:1px solid transparent;
  transition:all .22s ease;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:rgba(61,139,255,.12);border-color:var(--stroke);}
.main-nav a.active{color:#04101f;background:linear-gradient(135deg,var(--primary),var(--accent));font-weight:700;box-shadow:var(--glow);}
.main-nav a.active:hover{color:#04101f;}
.nav-tools{display:flex;align-items:center;gap:8px;}
.chip{
  font-size:12px;padding:5px 11px;border-radius:999px;
  border:1px solid var(--stroke);
  color:var(--muted);background:rgba(14,26,48,.7);
  white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.chip--accent{color:var(--accent);border-color:rgba(53,224,200,.34);background:var(--accent-soft);}

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;
  font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .24s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn--primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04101f;
  box-shadow:var(--glow);
}
.btn--primary:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(61,139,255,.6);}
.btn--ghost{
  background:rgba(14,26,48,.6);
  border-color:var(--stroke-strong);
  color:var(--text);
}
.btn--ghost:hover{color:var(--accent);border-color:rgba(53,224,200,.5);transform:translateY(-2px);box-shadow:var(--shadow-s);}
.btn--sm{padding:9px 18px;font-size:13.5px;}

/* ===== 分类页 Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  padding:clamp(32px,4.6vw,62px) 0 clamp(36px,4.6vw,66px);
  border-bottom:1px solid var(--stroke);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/b745e4d790b167e2.webp') center/cover no-repeat;
  opacity:.28;
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(5,10,22,.97) 10%,rgba(5,10,22,.82) 54%,rgba(6,20,38,.68) 100%);
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:clamp(24px,4vw,50px);
  align-items:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:14px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb span{color:var(--text-soft);}
.cat-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:15.5px;color:var(--text-soft);max-width:60ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}

.hero-panel{
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-l);
  padding:clamp(18px,2.4vw,26px);
  box-shadow:var(--shadow-m);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.panel-head{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;margin-bottom:10px;flex-wrap:wrap;}
.dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:var(--glow-accent);display:inline-block;}
.hero-panel p{font-size:13.5px;color:var(--muted);margin-bottom:16px;}
.progress{
  height:9px;border-radius:999px;background:rgba(9,17,34,.9);
  border:1px solid var(--stroke);overflow:hidden;margin-bottom:8px;
}
.progress span{display:block;height:100%;width:82%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:var(--glow-accent);}
.progress-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:16px;}
.panel-list{display:grid;gap:9px;margin-bottom:18px;}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-soft);
  padding:9px 12px;border-radius:var(--radius-s);
  background:rgba(10,18,37,.75);border:1px solid rgba(118,168,255,.12);
}
.panel-list li b{font-weight:600;color:var(--text);}
.panel-list li em{font-style:normal;font-size:12px;color:var(--accent);}
.panel-list li em.pending{color:var(--muted);}
.panel-actions{display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 指标条 ===== */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  margin-top:clamp(22px,3vw,34px);
}
.stat{
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:18px 18px 16px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.stat:hover{transform:translateY(-3px);border-color:var(--stroke-strong);box-shadow:var(--shadow-s);}
.stat strong{
  display:block;font-size:clamp(20px,2.4vw,26px);font-weight:800;
  background:linear-gradient(120deg,var(--primary),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.2;
}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ===== 下载区 ===== */
.dl-panel{
  background:linear-gradient(140deg,rgba(14,26,48,.94),rgba(8,16,32,.86));
  border:1px solid var(--stroke-strong);
  border-radius:var(--radius-l);
  padding:clamp(20px,3vw,34px);
  box-shadow:var(--shadow-m);
  position:relative;
  overflow:hidden;
}
.dl-panel::before{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(53,224,200,.22),transparent 70%);
  pointer-events:none;
}
.dl-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:20px;}
.dl-head h2{margin-bottom:6px;}
.dl-head p{margin-bottom:0;font-size:14.5px;color:var(--muted);}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-card{
  display:flex;flex-direction:column;gap:12px;
  background:rgba(10,18,37,.82);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:18px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  position:relative;z-index:1;
}
.dl-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.42);box-shadow:0 14px 32px rgba(2,8,20,.6);}
.dl-card i{font-size:20px;color:var(--accent);}
.dl-card h3{margin:0;font-size:16px;}
.dl-card p{font-size:13px;color:var(--muted);margin:0;}
.dl-card .btn{margin-top:auto;}

/* ===== 卡片网格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.glass-card{
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:clamp(18px,2.2vw,24px);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  height:100%;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--shadow-s);}
.glass-card h3{margin-bottom:8px;}
.glass-card p{font-size:14.5px;margin-bottom:0;}
.card-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(61,139,255,.16);border:1px solid var(--stroke-strong);
  color:var(--accent);font-size:16px;margin-bottom:14px;
}
.card-note{margin-top:12px;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:7px;}

/* ===== 到店路径时间线 ===== */
.timeline{position:relative;display:grid;gap:16px;}
.tl-item{
  display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:16px;align-items:start;
  background:rgba(12,22,42,.62);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:18px;
  transition:border-color .22s ease,transform .22s ease;
}
.tl-item:hover{border-color:var(--stroke-strong);transform:translateX(3px);}
.tl-num{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04101f;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  box-shadow:var(--glow);
}
.tl-item h3{margin-bottom:6px;font-size:17px;}
.tl-item p{margin-bottom:0;font-size:14.5px;}

/* ===== 场景 / 图文 ===== */
.feature-split{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:clamp(20px,3.4vw,44px);align-items:center;
}
.figure-card{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--stroke-strong);
  box-shadow:var(--shadow-m);
}
.figure-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .5s ease;}
.figure-card:hover img{transform:scale(1.04);}
.figure-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(4,8,16,.92));
  font-size:13px;color:var(--text-soft);
}
.check-list{display:grid;gap:12px;margin-top:18px;}
.check-list li{display:flex;gap:11px;font-size:14.5px;color:var(--text-soft);line-height:1.7;}
.check-list i{color:var(--accent);font-size:14px;margin-top:5px;flex:0 0 14px;}

/* ===== CMS 列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:20px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);box-shadow:var(--shadow-s);color:var(--text);}
.news-tag{
  align-self:flex-start;font-size:11.5px;letter-spacing:.06em;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid rgba(53,224,200,.3);
  border-radius:999px;padding:3px 10px;
}
.news-card h3{font-size:16px;margin:0;line-height:1.5;}
.news-card p{font-size:13.5px;color:var(--muted);margin:0;}
.news-date{font-size:12px;color:#6b7c9e;margin-top:auto;padding-top:8px;border-top:1px solid rgba(118,168,255,.12);}
.empty-note{
  padding:26px;border:1px dashed var(--stroke-strong);border-radius:var(--radius-m);
  color:var(--muted);font-size:14px;text-align:center;background:rgba(10,18,37,.5);
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:rgba(12,22,42,.68);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:18px 20px;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:var(--stroke-strong);background:rgba(14,26,48,.82);}
.faq-item h3{display:flex;gap:10px;font-size:16px;margin-bottom:8px;}
.faq-item h3 i{color:var(--accent);font-size:14px;margin-top:5px;}
.faq-item p{font-size:14.5px;margin-bottom:0;}

/* ===== 转化表单 ===== */
.convert-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(20px,3.4vw,44px);
  background:linear-gradient(140deg,rgba(14,26,48,.94),rgba(7,14,28,.9));
  border:1px solid var(--stroke-strong);
  border-radius:var(--radius-l);
  padding:clamp(22px,3.2vw,40px);
  box-shadow:var(--shadow-m);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:var(--text-soft);font-weight:600;}
.field input,.field select{
  width:100%;
  background:rgba(8,16,32,.9);
  border:1px solid var(--stroke);
  border-radius:var(--radius-s);
  color:var(--text);
  font-size:14px;
  padding:11px 13px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#61729a;}
.field input:focus,.field select:focus{border-color:var(--stroke-strong);box-shadow:0 0 0 3px rgba(61,139,255,.16);outline:none;}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px;}
.form-hint{font-size:12.5px;color:var(--muted);margin:0;}
.form-result{
  margin-top:16px;padding:14px 16px;border-radius:var(--radius-s);
  border:1px solid rgba(53,224,200,.32);
  background:var(--accent-soft);
  color:var(--text-soft);font-size:13.5px;display:none;
}
.form-result.show{display:block;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:clamp(30px,4vw,60px);
  background:linear-gradient(180deg,rgba(6,11,24,.5),rgba(4,8,16,.96));
  border-top:1px solid var(--stroke);
  padding:clamp(34px,4.4vw,60px) 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:clamp(20px,3vw,40px);
  padding-bottom:28px;
  border-bottom:1px solid rgba(118,168,255,.12);
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15px;margin-bottom:12px;}
.footer-brand:hover{color:var(--text);}
.site-footer p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.site-footer h4{font-size:14px;margin-bottom:14px;color:var(--text);}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:var(--muted);}
.footer-links a:hover{color:var(--accent);}
.footer-dl{display:grid;gap:9px;}
.footer-dl a{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13.5px;color:var(--text-soft);
  padding:9px 12px;border-radius:var(--radius-s);
  border:1px solid var(--stroke);
  background:rgba(12,22,42,.7);
  transition:all .22s ease;
}
.footer-dl a:hover{color:var(--accent);border-color:rgba(53,224,200,.4);transform:translateY(-2px);}
.footer-dl i{color:var(--accent);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding-top:20px;font-size:12.5px;color:#61729a;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-3,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-split{grid-template-columns:1fr;}
  .convert-panel{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .header-inner{gap:12px;}
  .nav-search{max-width:none;order:3;flex:1 1 100%;}
  .main-nav{margin-left:0;}
}
@media (max-width:768px){
  .section{padding:clamp(34px,6vw,52px) 0;}
  .dl-grid{grid-template-columns:1fr;}
  .grid-3,.grid-2,.news-grid{grid-template-columns:1fr;}
  .main-nav a{padding:7px 12px;font-size:13.5px;}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:15px;}
  .tl-num{width:40px;height:40px;border-radius:12px;font-size:14px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  .brand{max-width:100%;font-size:14.5px;}
  .hero-actions .btn,.panel-actions .btn,.form-actions .btn{width:100%;}
  .dl-card .btn{width:100%;}
  .nav-tools{display:none;}
  h1{font-size:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}