/* roulang page: index */
:root{
  --coral:#FF5F7E;
  --peach:#FF9A6B;
  --violet:#7A3FF2;
  --mint:#22C7A9;
  --cream:#FFF8F4;
  --lilac:#F6F1FF;
  --ink:#241A26;
  --muted:#6B5C6F;
  --faint:#9A8BA0;
  --line:#F1E7EC;
  --white:#FFFFFF;
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px rgba(122,63,242,.08);
  --shadow-hover:0 18px 40px rgba(255,95,126,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--violet);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--coral);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--lilac{background:var(--lilac);}
.section--cream{background:var(--cream);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,95,126,.1);color:var(--coral);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow--mint{background:rgba(34,199,169,.12);color:#12907B;}
.eyebrow--violet{background:rgba(122,63,242,.1);color:var(--violet);}
h2.section-title{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;margin:14px 0 12px;
}
.section-title em{font-style:normal;color:var(--violet);}
.section-sub{color:var(--muted);font-size:15.5px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;
  transition:all .28s var(--ease);
}
.btn-primary{
  color:#fff;
  background:linear-gradient(96deg,var(--coral) 0%,var(--peach) 100%);
  box-shadow:0 10px 22px rgba(255,95,126,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(255,95,126,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--coral);background:#fff;border:1.5px solid var(--coral);
}
.btn-ghost:hover{color:var(--coral);background:rgba(255,95,126,.08);transform:translateY(-2px);}
.btn-violet{background:var(--violet);color:#fff;}
.btn-violet:hover{background:#6a2fe0;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:none;box-shadow:0 0 0 4px rgba(122,63,242,.28);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid rgba(122,63,242,.2);color:var(--violet);
}
.badge-mint{background:rgba(34,199,169,.14);border-color:transparent;color:#0F8775;}
.badge-coral{background:rgba(255,95,126,.12);border-color:transparent;color:#D93A5B;}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:var(--lilac);color:var(--violet);font-size:12.5px;font-weight:600;
}

/* ===== Header 双层导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-compact{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(36,26,38,.07);}
.brand-bar{
  height:56px;overflow:hidden;
  border-bottom:1px solid var(--line);
  transition:height .3s var(--ease),opacity .3s var(--ease);
}
.site-header.is-compact .brand-bar{height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
  background:radial-gradient(circle at 30% 25%,var(--coral),var(--violet));
  box-shadow:0 6px 14px rgba(255,95,126,.3);
}
.logo-text em{font-style:normal;color:var(--violet);font-size:13px;margin-left:2px;}
.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);background:var(--lilac);border:none;cursor:pointer;transition:all .25s var(--ease);
}
.icon-btn:hover{color:var(--violet);background:rgba(122,63,242,.14);}
.brand-link{font-size:14px;font-weight:600;color:var(--muted);}
.brand-link:hover{color:var(--coral);}
.channel-bar{transition:height .3s var(--ease);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;height:48px;gap:12px;}
.site-header.is-compact .channel-inner{height:60px;}
.channel-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.channel-link{
  position:relative;padding:8px 12px;border-radius:10px;
  color:var(--muted);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:all .25s var(--ease);
}
.channel-link:hover{color:var(--violet);background:var(--lilac);}
.channel-link.active{color:var(--violet);}
.channel-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--coral),var(--peach));
}
.channel-cta{display:none;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.hamburger:hover{color:var(--coral);border-color:var(--coral);}

/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(36,26,38,.45);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:90;
}
.drawer-overlay.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);z-index:95;
  background:#fff;padding:22px 20px 28px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .32s var(--ease);
  box-shadow:-14px 0 40px rgba(36,26,38,.16);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:14px;
  color:var(--ink);font-weight:600;font-size:15px;
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--lilac);color:var(--violet);}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:none;background:var(--lilac);color:var(--muted);
  font-size:16px;cursor:pointer;
}
.drawer-close:hover{color:var(--coral);}
.drawer-foot{padding-top:16px;}
.drawer-foot .btn{width:100%;}

/* ===== Hero ===== */
.hero{position:relative;padding:56px 0 76px;background:linear-gradient(180deg,#FFF3EE 0%,var(--cream) 62%);overflow:hidden;}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,154,107,.28),transparent 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center;position:relative;}
.hero-title{
  font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.25;margin:18px 0 18px;
}
.hero-title span{color:var(--violet);}
.hero-lead{color:var(--muted);font-size:16px;line-height:1.9;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-panel{display:flex;flex-direction:column;gap:16px;}
.panel-card{
  background:#fff;border-radius:var(--radius-lg);padding:22px;border:1px solid var(--line);
  box-shadow:var(--shadow-card);transition:all .28s var(--ease);
}
.panel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.progress-card{display:flex;align-items:center;gap:20px;}
.ring{position:relative;width:112px;height:112px;flex:0 0 auto;}
.ring svg{width:112px;height:112px;transform:rotate(-90deg);}
.ring-bg{fill:none;stroke:#F3E9F1;stroke-width:11;}
.ring-fg{fill:none;stroke:url(#ringGrad);stroke-width:11;stroke-linecap:round;}
.ring-label{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ring-label strong{font-size:20px;font-weight:800;line-height:1;}
.ring-label span{font-size:11.5px;color:var(--faint);margin-top:4px;}
.progress-copy h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.progress-copy p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.tiers-card h3{font-size:15px;font-weight:700;color:var(--muted);margin-bottom:14px;letter-spacing:.02em;}
.tier-row{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;
  transition:background .25s var(--ease);
}
.tier-row:hover{background:var(--lilac);}
.tier-index{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--coral),var(--peach));
}
.tier-row:nth-child(3) .tier-index{background:linear-gradient(135deg,var(--violet),#A57BFF);}
.tier-row:nth-child(4) .tier-index{background:linear-gradient(135deg,var(--mint),#5FE0CB);}
.tier-text{font-size:13.5px;color:var(--ink);font-weight:600;}
.tier-text small{display:block;color:var(--faint);font-weight:400;font-size:12px;}
.tiers-card .btn{margin-top:14px;width:100%;}
.float-shot{
  position:absolute;right:-8px;bottom:auto;top:-18px;
  background:#fff;border-radius:18px;padding:12px 16px;border:1px solid var(--line);
  box-shadow:0 12px 28px rgba(122,63,242,.12);font-size:12.5px;color:var(--muted);
  animation:floaty 4s ease-in-out infinite;
}
.float-shot strong{display:block;color:var(--ink);font-size:13px;margin-bottom:2px;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}

/* ===== 通用卡片网格 ===== */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-card);transition:all .28s var(--ease);height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,95,126,.28);}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:17px;color:var(--violet);background:var(--lilac);margin-bottom:14px;
}
.card h3{font-size:17.5px;font-weight:700;margin-bottom:8px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;}
.card-link i{font-size:11px;}

/* 阶段大卡 */
.stage-card{
  position:relative;background:#fff;border-radius:var(--radius-lg);padding:26px 24px;
  border:1px solid var(--line);box-shadow:var(--shadow-card);overflow:hidden;
  transition:all .28s var(--ease);
}
.stage-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1.5px;
  background:linear-gradient(135deg,rgba(255,95,126,.6),rgba(122,63,242,.45));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .28s var(--ease);
  pointer-events:none;
}
.stage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stage-card:hover::before{opacity:1;}
.stage-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;font-weight:800;font-size:14px;color:#fff;
  background:linear-gradient(135deg,var(--coral),var(--peach));margin-bottom:14px;
}
.stage-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.stage-card p{color:var(--muted);font-size:14.5px;}

/* 时间轴 */
.timeline{position:relative;display:flex;flex-direction:column;gap:16px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(255,95,126,.5),rgba(122,63,242,.2));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:40px 1fr;gap:18px;align-items:flex-start;
}
.tl-dot{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--violet),#A57BFF);
  box-shadow:0 8px 18px rgba(122,63,242,.24);z-index:1;font-variant-numeric:tabular-nums;
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;
  box-shadow:var(--shadow-card);transition:all .28s var(--ease);
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.tl-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.tl-body ul{margin:10px 0 0;display:flex;flex-direction:column;gap:7px;}
.tl-body li{position:relative;padding-left:18px;color:var(--muted);font-size:14.5px;line-height:1.75;}
.tl-body li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--mint);
}

/* 话题卡 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;
  transition:all .28s var(--ease);box-shadow:var(--shadow-card);display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.topic-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.topic-card p{color:var(--muted);font-size:14px;line-height:1.75;flex:1;}
.topic-card .tag{margin-top:14px;align-self:flex-start;}

/* 对照卡 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{border-radius:var(--radius-lg);padding:24px;border:1px solid var(--line);background:#fff;}
.compare-col.no{background:#FAF7F9;}
.compare-col.yes{border:1.5px solid rgba(34,199,169,.55);background:rgba(34,199,169,.06);}
.compare-col h3{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.compare-col.no h3{color:var(--faint);}
.compare-col.yes h3{color:#0F8775;}
.compare-col li{
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--muted);line-height:1.75;
}
.compare-col li:last-child{border-bottom:none;padding-bottom:0;}
.compare-col li strong{color:var(--ink);display:block;font-size:14.5px;margin-bottom:2px;}

/* 清单卡 */
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  box-shadow:var(--shadow-card);
}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px;margin-top:18px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.check-list i{color:var(--mint);margin-top:5px;font-size:14px;}

/* 三步确认 */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step3{
  background:#fff;border-radius:var(--radius-lg);padding:24px;border:1px solid var(--line);
  box-shadow:var(--shadow-card);transition:all .28s var(--ease);
}
.step3:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step3 span{font-size:12.5px;font-weight:700;color:var(--coral);letter-spacing:.08em;}
.step3 h3{font-size:17px;font-weight:700;margin:8px 0;}
.step3 p{font-size:14.5px;color:var(--muted);}
.notice-bar{
  margin-top:22px;display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,154,107,.12);border:1px solid rgba(255,154,107,.4);
  border-radius:var(--radius-md);padding:16px 20px;font-size:14px;color:#A85A26;
}
.notice-bar i{margin-top:4px;}

/* 练习进度 */
.practice-wrap{
  background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);
  box-shadow:var(--shadow-card);padding:30px;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;
}
.bar-list{display:flex;flex-direction:column;gap:18px;margin-top:18px;}
.bar-item h4{display:flex;justify-content:space-between;font-size:14.5px;font-weight:600;margin-bottom:8px;}
.bar-track{height:10px;border-radius:999px;background:#F3E9F1;overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--coral),var(--peach));}
.bar-fill.mint{background:linear-gradient(90deg,var(--mint),#6FE3D1);}
.bar-fill.violet{background:linear-gradient(90deg,var(--violet),#A57BFF);}
.stat-mini{display:grid;gap:14px;align-content:start;}
.stat-mini div{
  background:var(--lilac);border-radius:var(--radius-md);padding:16px 18px;
}
.stat-mini strong{display:block;font-size:24px;font-weight:800;color:var(--violet);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-mini span{font-size:13px;color:var(--muted);}

/* 示例对话 */
.dialogue-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.dialogue-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-card);
}
.dialogue-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.dialogue-card .scene{font-size:12.5px;color:var(--faint);margin-bottom:16px;}
.bubble{max-width:88%;padding:11px 15px;border-radius:16px;font-size:14px;line-height:1.7;margin-bottom:10px;}
.bubble.them{background:var(--lilac);color:var(--ink);border-bottom-left-radius:6px;}
.bubble.me{background:linear-gradient(120deg,rgba(255,95,126,.14),rgba(255,154,107,.16));color:var(--ink);margin-left:auto;border-bottom-right-radius:6px;}
.bubble.bad{background:#F3EDF0;color:#7B6E80;}
.dialogue-note{margin-top:12px;font-size:13px;color:var(--muted);}

/* 下载区 */
.download-section{
  background:linear-gradient(160deg,#FFF1EC 0%,#F7F1FF 100%);
}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px;}
.dl-card{
  background:#fff;border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line);
  box-shadow:var(--shadow-card);text-align:center;transition:all .28s var(--ease);
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.dl-icon{
  width:56px;height:56px;margin:0 auto 14px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-size:24px;color:#fff;background:linear-gradient(135deg,var(--coral),var(--peach));
}
.dl-card:nth-child(2) .dl-icon{background:linear-gradient(135deg,var(--violet),#A57BFF);}
.dl-card:nth-child(3) .dl-icon{background:linear-gradient(135deg,var(--mint),#6FE3D1);}
.dl-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.dl-card p{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.dl-card .btn{width:100%;}
.dl-note{margin-top:20px;font-size:13.5px;color:var(--muted);text-align:center;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all .28s var(--ease);display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#FFF1EC,#F3ECFF);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--faint);}
.news-body h3{font-size:16px;font-weight:700;line-height:1.55;}
.news-body p{font-size:14px;color:var(--muted);line-height:1.75;flex:1;}
.news-more{display:flex;justify-content:center;margin-top:32px;}
.empty-state{
  background:#fff;border:1px dashed #E4D7EE;border-radius:var(--radius-lg);padding:52px 20px;
  text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:#CBB6E6;display:block;margin-bottom:12px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.faq-item.open{box-shadow:var(--shadow-card);border-color:rgba(255,95,126,.34);}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--violet);}
.faq-q i{color:var(--coral);transition:transform .25s var(--ease);flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* 指标看板 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-pill{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;
  box-shadow:var(--shadow-card);transition:all .28s var(--ease);
}
.metric-pill:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.metric-pill strong{display:block;font-size:28px;font-weight:800;line-height:1.2;color:var(--violet);font-variant-numeric:tabular-nums;}
.metric-pill span{font-size:13.5px;color:var(--muted);}

/* 结尾 CTA */
.cta-band{
  background:linear-gradient(112deg,var(--coral) 0%,#FF7E7A 46%,var(--violet) 100%);
  border-radius:32px;padding:48px 40px;color:#fff;text-align:center;
  box-shadow:0 22px 46px rgba(255,95,126,.28);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;max-width:660px;margin:0 auto 26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;}
.cta-band .btn-primary{background:#fff;color:var(--coral);box-shadow:0 12px 26px rgba(36,26,38,.16);}
.cta-band .btn-primary:hover{background:#fff;color:var(--coral);}
.cta-band .text-link{color:#fff;font-weight:600;font-size:14.5px;text-decoration:underline;text-underline-offset:4px;}
.cta-band .text-link:hover{color:#FFF1EC;}

/* Footer */
.site-footer{background:var(--lilac);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{font-size:14px;color:var(--muted);margin:14px 0 16px;line-height:1.8;}
.footer-dl{display:flex;flex-wrap:wrap;gap:10px;}
.footer-dl a{
  font-size:12.5px;padding:8px 14px;border-radius:999px;background:#fff;color:var(--violet);
  border:1px solid rgba(122,63,242,.2);font-weight:600;
}
.footer-dl a:hover{color:var(--coral);border-color:rgba(255,95,126,.5);}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--coral);}
.footer-note{font-size:13px;color:var(--muted);line-height:1.8;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(122,63,242,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--faint);
}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .float-shot{display:none;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .practice-wrap{grid-template-columns:1fr;gap:24px;}
  .dl-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .steps3{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .channel-nav{display:none;}
  .hamburger{display:inline-flex;}
  .brand-actions .brand-link{display:none;}
  .section{padding:48px 0;}
  .hero{padding:40px 0 56px;}
  .compare,.dialogue-grid,.grid-2{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;border-radius:26px;}
  .brand-bar{height:56px;}
  .site-header.is-compact .channel-inner{height:58px;}
}
@media (max-width:520px){
  .grid-4,.grid-3,.news-grid,.metric-grid,.footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .logo-text{font-size:14.5px;}
  .timeline::before{left:15px;}
  .tl-item{grid-template-columns:34px 1fr;gap:14px;}
  .tl-dot{width:34px;height:34px;font-size:13px;}
  .tl-body{padding:16px 16px;}
  .panel-card{padding:18px;}
  .progress-card{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (prefers-reduced-motion:reduce){
  .float-shot{animation:none;}
  *{transition-duration:.01ms !important;}
}

/* roulang page: article */
:root{
  --coral:#FF5F7E;
  --peach:#FF9A6B;
  --violet:#7A3FF2;
  --mint:#22C7A9;
  --cream:#FFF8F4;
  --lilac:#F6F1FF;
  --ink:#241A26;
  --muted:#6B5C6F;
  --faint:#9A8BA0;
  --line:#F1E7EC;
  --white:#FFFFFF;
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px rgba(122,63,242,.08);
  --shadow-hover:0 18px 40px rgba(255,95,126,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a:link,a:visited{color:var(--violet);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--coral);}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--lilac{background:var(--lilac);}
.section--cream{background:var(--cream);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,95,126,.1);color:var(--coral);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow--violet{background:rgba(122,63,242,.1);color:var(--violet);}
.eyebrow--mint{background:rgba(34,199,169,.12);color:#12907B;}
h2.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:14px 0 12px;line-height:1.4;}
.section-title em{font-style:normal;color:var(--violet);}
.section-sub{color:var(--muted);font-size:15.5px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;
  transition:all .28s var(--ease);
}
.btn-primary{
  color:#fff;
  background:linear-gradient(96deg,var(--coral) 0%,var(--peach) 100%);
  box-shadow:0 10px 22px rgba(255,95,126,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(255,95,126,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{color:var(--coral);background:#fff;border:1.5px solid var(--coral);}
.btn-ghost:hover{color:var(--coral);background:rgba(255,95,126,.08);transform:translateY(-2px);}
.btn-violet{background:var(--violet);color:#fff;}
.btn-violet:hover{background:#6a2fe0;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:none;box-shadow:0 0 0 4px rgba(122,63,242,.28);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid rgba(122,63,242,.2);color:var(--violet);
}
.badge-mint{background:rgba(34,199,169,.14);border-color:transparent;color:#0F8775;}
.badge-coral{background:rgba(255,95,126,.12);border-color:transparent;color:#D93A5B;}
.tag{display:inline-block;padding:5px 12px;border-radius:999px;background:var(--lilac);color:var(--violet);font-size:12.5px;font-weight:600;}

/* ===== Header 双层导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-compact{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(36,26,38,.07);}
.brand-bar{
  height:56px;overflow:hidden;
  border-bottom:1px solid var(--line);
  transition:height .3s var(--ease),opacity .3s var(--ease);
}
.site-header.is-compact .brand-bar{height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
  background:radial-gradient(circle at 30% 25%,var(--coral),var(--violet));
  box-shadow:0 6px 14px rgba(255,95,126,.3);
  flex:0 0 auto;
}
.logo-text{white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--violet);font-size:13px;margin-left:2px;}
.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);background:var(--lilac);border:none;cursor:pointer;transition:all .25s var(--ease);
}
.icon-btn:hover{color:var(--violet);background:rgba(122,63,242,.14);}
.brand-link{font-size:14px;font-weight:600;color:var(--muted);}
.brand-link:hover{color:var(--coral);}
.channel-bar{border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:48px;transition:height .3s var(--ease);}
.site-header.is-compact .channel-inner{height:60px;}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;min-width:0;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:all .25s var(--ease);
}
.channel-link:hover{color:var(--coral);background:rgba(255,95,126,.08);}
.channel-link.active{color:var(--violet);}
.channel-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--coral),var(--peach));
}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
  flex:0 0 auto;transition:all .25s var(--ease);
}
.hamburger:hover{color:var(--coral);border-color:var(--coral);}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(36,26,38,.45);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:90;
}
.drawer-overlay.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);z-index:95;
  background:#fff;padding:22px 20px 28px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .32s var(--ease);
  box-shadow:-14px 0 40px rgba(36,26,38,.16);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px;}
.drawer-title{font-weight:800;font-size:15px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:14px;color:var(--ink);font-weight:600;font-size:15px;}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--lilac);color:var(--violet);}
.drawer-close{width:40px;height:40px;border-radius:12px;border:none;background:var(--lilac);color:var(--muted);font-size:16px;cursor:pointer;}
.drawer-close:hover{color:var(--coral);}
.drawer-foot{padding-top:16px;}
.drawer-foot .btn{width:100%;}

/* ===== 面包屑 ===== */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--faint);}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--coral);}
.crumb span.sep{color:#D8CBD3;}
.crumb .current{color:var(--faint);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章头 ===== */
.article-head{padding:18px 0 40px;}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;line-height:1.3;margin:16px 0 16px;letter-spacing:-.01em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;font-size:13.5px;color:var(--faint);}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item i{color:var(--coral);}
.article-lead{color:var(--muted);font-size:16px;line-height:1.85;margin:14px 0 0;max-width:820px;}
.article-cover{margin:28px 0 0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);background:linear-gradient(135deg,var(--cream),var(--lilac));}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.article-cover figcaption{font-size:13px;color:var(--faint);text-align:center;padding:12px 16px;background:#fff;}

/* ===== 文章布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding-top:8px;padding-bottom:8px;}
.article-main{min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(22px,3vw,42px);box-shadow:var(--shadow-card);}
.article-aside{min-width:0;display:flex;flex-direction:column;gap:20px;}
.aside-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-card);}
.aside-card h3{font-size:16px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.aside-card h3 i{color:var(--coral);}
.point-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--muted);}
.point-list li .num{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--coral),var(--peach));
}
.aside-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ===== 正文排版 ===== */
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink);word-break:break-word;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(20px,2.2vw,25px);font-weight:700;line-height:1.45;
  margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--coral);
}
.article-body h3{font-size:18px;font-weight:600;margin:26px 0 10px;line-height:1.5;}
.article-body h4{font-size:16.5px;font-weight:600;margin:20px 0 8px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--lilac);
  border-left:4px solid var(--violet);border-radius:0 14px 14px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:18px;margin:22px auto;max-width:100%;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:8px;}
.article-body a{color:var(--violet);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--coral);}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--lilac);color:var(--ink);}
.article-body code{background:var(--lilac);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body pre{background:#F8F4FA;padding:16px;border-radius:14px;overflow:auto;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:28px 0;}
.empty-note{text-align:center;padding:36px 20px;color:var(--muted);}
.empty-note i{font-size:32px;color:var(--coral);display:block;margin-bottom:14px;}

/* ===== 示例对话 ===== */
.chat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.chat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);transition:all .28s var(--ease);}
.chat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.chat-card .chat-label{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;margin-bottom:16px;}
.chat-label--bad{background:rgba(154,139,160,.14);color:var(--muted);}
.chat-label--good{background:rgba(34,199,169,.14);color:#0F8775;}
.bubble{max-width:86%;padding:11px 15px;border-radius:18px;font-size:14.5px;line-height:1.75;margin-bottom:10px;}
.bubble-left{background:var(--lilac);color:var(--ink);border-bottom-left-radius:6px;}
.bubble-right{background:linear-gradient(135deg,var(--coral),var(--peach));color:#fff;margin-left:auto;border-bottom-right-radius:6px;}
.chat-note{font-size:13.5px;color:var(--muted);line-height:1.8;margin:14px 0 0;border-top:1px dashed var(--line);padding-top:12px;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-card);overflow:hidden;transition:all .28s var(--ease);}
.faq-item[open]{box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:12px 22px;font-weight:700;font-size:15.5px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--coral);font-size:14px;transition:transform .25s var(--ease);flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ===== 下载引导条 ===== */
.dl-banner{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  padding:clamp(28px,4vw,46px);
  background:linear-gradient(120deg,rgba(255,95,126,.94),rgba(122,63,242,.9));
  color:#fff;
}
.dl-banner::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/440cf21464f68a8f.webp') center/cover no-repeat;
  opacity:.18;mix-blend-mode:screen;
}
.dl-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.dl-inner h2{font-size:clamp(20px,2.4vw,27px);font-weight:800;margin:0 0 8px;color:#fff;}
.dl-inner p{margin:0;font-size:14.5px;color:rgba(255,255,255,.9);}
.dl-buttons{display:flex;flex-wrap:wrap;gap:12px;}
.dl-buttons .btn{background:#fff;color:var(--coral);box-shadow:0 10px 22px rgba(36,26,38,.16);}
.dl-buttons .btn:hover{color:var(--violet);transform:translateY(-2px);}
.dl-tip{position:relative;z-index:2;margin:20px 0 0;font-size:13px;color:rgba(255,255,255,.86);}

/* ===== 延伸阅读 ===== */
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.read-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;
  transition:all .28s var(--ease);display:flex;flex-direction:column;gap:10px;
}
.read-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(255,95,126,.3);}
.read-card i{color:var(--violet);font-size:18px;}
.read-card h3{font-size:16.5px;font-weight:700;margin:0;}
.read-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.read-card .read-more{font-size:13.5px;font-weight:700;color:var(--coral);display:inline-flex;align-items:center;gap:6px;}
.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:34px;}

/* ===== Footer ===== */
.site-footer{background:var(--lilac);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin:14px 0 18px;}
.footer-dl{display:flex;flex-wrap:wrap;gap:10px;}
.footer-dl a{
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--violet);
  transition:all .25s var(--ease);
}
.footer-dl a:hover{color:#fff;background:linear-gradient(96deg,var(--coral),var(--peach));border-color:transparent;}
.footer-col h4{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--ink);}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:var(--coral);}
.footer-note{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid #E7DCF2;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--faint);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:28px;}
  .aside-sticky{position:static;}
  .read-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .channel-nav{display:none;}
  .hamburger{display:inline-flex;}
  .brand-actions .btn,.brand-actions .brand-link{display:none;}
  .channel-inner{height:56px;justify-content:flex-end;}
  .site-header.is-compact .channel-inner{height:56px;}
  .section{padding:52px 0;}
  .chat-grid{grid-template-columns:1fr;}
  .read-grid{grid-template-columns:1fr;}
  .article-cover img{aspect-ratio:16/10;}
  .dl-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .article-head h1{font-size:24px;}
  .article-main{padding:20px 16px;border-radius:20px;}
  .article-body{font-size:16px;}
  .dl-buttons{width:100%;}
  .dl-buttons .btn{flex:1 1 100%;}
  .bubble{max-width:92%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --coral:#FF5F7E;
  --peach:#FF9A6B;
  --violet:#7A3FF2;
  --mint:#22C7A9;
  --cream:#FFF8F4;
  --lilac:#F6F1FF;
  --ink:#241A26;
  --muted:#6B5C6F;
  --faint:#9A8BA0;
  --line:#F1E7EC;
  --white:#FFFFFF;
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px rgba(122,63,242,.08);
  --shadow-hover:0 18px 40px rgba(255,95,126,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
html{scroll-behavior:smooth;}
body.site-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
body.site-body img{max-width:100%;display:block;}
body.site-body a{color:var(--violet);text-decoration:none;transition:color .25s var(--ease);}
body.site-body a:hover{color:var(--coral);}
body.site-body button{font-family:inherit;}
.site-body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.site-body .section{padding:72px 0;}
.site-body .section--white{background:var(--white);}
.site-body .section--lilac{background:var(--lilac);}
.site-body .section--cream{background:var(--cream);}
.site-body .section--tight{padding:48px 0;}
.site-body .section-head{max-width:780px;margin-bottom:36px;}
.site-body .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.site-body .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,95,126,.1);color:var(--coral);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.site-body .eyebrow--mint{background:rgba(34,199,169,.12);color:#12907B;}
.site-body .eyebrow--violet{background:rgba(122,63,242,.1);color:var(--violet);}
.site-body .section-title{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;margin:14px 0 12px;line-height:1.35;
}
.site-body .section-title em{font-style:normal;color:var(--violet);}
.site-body .section-sub{color:var(--muted);font-size:15.5px;margin:0;}
.site-body .btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;
  transition:all .28s var(--ease);
}
.site-body .btn-primary{
  color:#fff;
  background:linear-gradient(96deg,var(--coral) 0%,var(--peach) 100%);
  box-shadow:0 10px 22px rgba(255,95,126,.24);
}
.site-body .btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(255,95,126,.3);}
.site-body .btn-primary:active{transform:translateY(1px);}
.site-body .btn-ghost{color:var(--coral);background:#fff;border:1.5px solid var(--coral);}
.site-body .btn-ghost:hover{color:var(--coral);background:rgba(255,95,126,.08);transform:translateY(-2px);}
.site-body .btn-violet{background:var(--violet);color:#fff;}
.site-body .btn-violet:hover{background:#6a2fe0;color:#fff;transform:translateY(-2px);}
.site-body .btn-sm{padding:10px 18px;font-size:14px;}
.site-body .btn:focus-visible,
.site-body a:focus-visible,
.site-body button:focus-visible,
.site-body summary:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(122,63,242,.28);}
.site-body .badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid rgba(122,63,242,.2);color:var(--violet);
}
.site-body .badge-mint{background:rgba(34,199,169,.14);border-color:transparent;color:#0F8775;}
.site-body .tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:var(--lilac);color:var(--violet);font-size:12.5px;font-weight:600;
}

/* ===== Header 双层导航 ===== */
.site-body .site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  transition:box-shadow .3s var(--ease);
}
.site-body .site-header.is-compact{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(36,26,38,.07);}
.site-body .brand-bar{
  height:56px;overflow:hidden;
  border-bottom:1px solid var(--line);
  transition:height .3s var(--ease),opacity .3s var(--ease);
}
.site-body .site-header.is-compact .brand-bar{height:0;opacity:0;border-bottom-color:transparent;}
.site-body .brand-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px;}
.site-body .logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;}
.site-body .logo:hover{color:var(--ink);}
.site-body .logo-mark{
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;flex:none;
  background:radial-gradient(circle at 30% 25%,var(--coral),var(--violet));
  box-shadow:0 6px 14px rgba(255,95,126,.3);
}
.site-body .logo-text{white-space:nowrap;}
.site-body .logo-text em{font-style:normal;color:var(--violet);font-size:13px;margin-left:2px;}
.site-body .brand-actions{display:flex;align-items:center;gap:14px;}
.site-body .icon-btn{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);background:var(--lilac);border:none;cursor:pointer;transition:all .25s var(--ease);
}
.site-body .icon-btn:hover{color:var(--violet);background:rgba(122,63,242,.14);}
.site-body .brand-link{font-size:14px;font-weight:600;color:var(--muted);}
.site-body .brand-link:hover{color:var(--coral);}
.site-body .channel-bar{border-bottom:1px solid var(--line);}
.site-body .channel-inner{display:flex;align-items:center;justify-content:space-between;height:52px;gap:12px;transition:height .3s var(--ease);}
.site-body .site-header.is-compact .channel-inner{height:60px;}
.site-body .channel-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.site-body .channel-link{
  position:relative;padding:8px 12px;border-radius:10px;
  color:var(--muted);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.site-body .channel-link:hover{color:var(--violet);background:rgba(122,63,242,.08);}
.site-body .channel-link.active{color:var(--violet);}
.site-body .channel-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--coral),var(--peach));
}
.site-body .hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
  transition:all .25s var(--ease);
}
.site-body .hamburger:hover{color:var(--coral);border-color:var(--coral);}
.site-body .drawer-overlay{
  position:fixed;inset:0;background:rgba(36,26,38,.45);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:90;
}
.site-body .drawer-overlay.open{opacity:1;visibility:visible;}
.site-body .mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);z-index:95;
  background:#fff;padding:22px 20px 28px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .32s var(--ease);
  box-shadow:-14px 0 40px rgba(36,26,38,.16);
}
.site-body .mobile-drawer.open{transform:translateX(0);}
.site-body .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.site-body .drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;}
.site-body .drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:14px;
  color:var(--ink);font-weight:600;font-size:15px;
}
.site-body .drawer-nav a:hover,
.site-body .drawer-nav a.active{background:var(--lilac);color:var(--violet);}
.site-body .drawer-close{
  width:40px;height:40px;border-radius:12px;border:none;background:var(--lilac);color:var(--muted);
  font-size:16px;cursor:pointer;transition:all .25s var(--ease);
}
.site-body .drawer-close:hover{color:var(--coral);}
.site-body .drawer-foot{padding-top:16px;}
.site-body .drawer-foot .btn{width:100%;}

/* ===== 分类标题带 ===== */
.site-body .cat-hero{
  padding:40px 0 56px;
  background:
    radial-gradient(900px 380px at 90% -20%, rgba(255,95,126,.16), transparent 62%),
    radial-gradient(760px 340px at 4% 130%, rgba(122,63,242,.14), transparent 64%),
    var(--white);
  border-bottom:1px solid var(--line);
}
.site-body .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--faint);margin-bottom:22px;}
.site-body .breadcrumb a{color:var(--muted);font-weight:600;}
.site-body .breadcrumb a:hover{color:var(--coral);}
.site-body .breadcrumb span{color:var(--faint);}
.site-body .cat-hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start;}
.site-body .cat-title{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;line-height:1.28;margin:14px 0 16px;letter-spacing:-.01em;
}
.site-body .cat-lead{color:var(--muted);font-size:16px;line-height:1.9;margin:0 0 26px;max-width:640px;}
.site-body .cat-actions{display:flex;flex-wrap:wrap;gap:12px;}
.site-body .cat-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
}
.site-body .cat-side h2{font-size:14px;font-weight:700;color:var(--violet);margin:0 0 14px;letter-spacing:.02em;}
.site-body .side-stats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.site-body .side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.site-body .side-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;}
.site-body .side-list i{color:var(--mint);font-size:13px;margin-top:6px;flex:none;}
.site-body .cat-cover{margin-top:18px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);}
.site-body .cat-cover img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;}

/* ===== 通用网格与卡片 ===== */
.site-body .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.site-body .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.site-body .info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-body .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,95,126,.28);}
.site-body .info-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(255,95,126,.16),rgba(122,63,242,.14));
  color:var(--coral);font-size:18px;margin-bottom:16px;
}
.site-body .card-title{font-size:18px;font-weight:700;margin:0 0 8px;line-height:1.5;}
.site-body .card-text{color:var(--muted);font-size:14.8px;margin:0;line-height:1.8;}
.site-body .tip-bar{
  margin-top:22px;display:flex;gap:14px;align-items:flex-start;
  background:rgba(34,199,169,.1);border:1px solid rgba(34,199,169,.26);
  border-radius:var(--radius-md);padding:18px 22px;
}
.site-body .tip-bar i{color:#12907B;font-size:16px;margin-top:4px;flex:none;}
.site-body .tip-bar p{margin:0;font-size:14.5px;color:#12675A;line-height:1.8;}

/* ===== 阅读顺序路径条 ===== */
.site-body .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.site-body .path-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 22px;color:var(--ink);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-body .path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,63,242,.3);color:var(--ink);}
.site-body .path-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;font-weight:800;font-size:14px;
  color:#fff;background:linear-gradient(135deg,var(--coral),var(--violet));
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.site-body .path-card h3{font-size:16.5px;font-weight:700;margin:0 0 6px;}
.site-body .path-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}
.site-body .path-card span.more{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--violet);}
.site-body .path-card:hover span.more{color:var(--coral);}

/* ===== 大卡 + 小卡 ===== */
.site-body .feature-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:stretch;}
.site-body .feature-main{
  background:linear-gradient(160deg,rgba(255,95,126,.1),rgba(122,63,242,.08)),#fff;
  border:1px solid rgba(255,95,126,.24);border-radius:var(--radius-lg);
  padding:32px;display:flex;flex-direction:column;justify-content:space-between;gap:20px;
}
.site-body .feature-main h3{font-size:22px;font-weight:800;margin:0 0 12px;line-height:1.45;}
.site-body .feature-main p{color:var(--muted);font-size:15px;margin:0;line-height:1.9;}
.site-body .feature-side{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.site-body .mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px;transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.site-body .mini-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(122,63,242,.12);}
.site-body .mini-card h4{font-size:15px;font-weight:700;margin:0 0 6px;line-height:1.5;}
.site-body .mini-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.72;}
.site-body .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.site-body .tag-pill{
  padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--muted);font-size:13.5px;font-weight:600;
  transition:all .25s var(--ease);
}
.site-body .tag-pill:hover{border-color:var(--coral);color:var(--coral);background:rgba(255,95,126,.06);}

/* ===== 节奏对照 ===== */
.site-body .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.site-body .compare-col{border-radius:var(--radius-md);padding:26px;border:1px solid var(--line);background:#fff;}
.site-body .compare-col.bad{background:#FBF8FA;}
.site-body .compare-col.good{background:rgba(34,199,169,.07);border-color:rgba(34,199,169,.32);}
.site-body .compare-col h3{font-size:16px;font-weight:700;margin:0 0 16px;display:flex;align-items:center;gap:8px;}
.site-body .compare-col.bad h3{color:var(--faint);}
.site-body .compare-col.good h3{color:#0F8775;}
.site-body .compare-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.site-body .compare-col li{font-size:14.5px;color:var(--muted);line-height:1.78;padding-left:20px;position:relative;}
.site-body .compare-col.bad li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--faint);
}
.site-body .compare-col.good li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--mint);
}

/* ===== 清单 ===== */
.site-body .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.site-body .check-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 20px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-body .check-item:hover{border-color:rgba(34,199,169,.4);box-shadow:0 12px 26px rgba(34,199,169,.1);}
.site-body .check-item i{color:var(--mint);font-size:16px;margin-top:4px;flex:none;}
.site-body .check-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.78;}

/* ===== 见面三步 ===== */
.site-body .step-line{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.site-body .step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px 24px;
}
.site-body .step-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:4px;border-radius:0 0 6px 6px;
  background:linear-gradient(90deg,var(--coral),var(--peach));
}
.site-body .step-card h3{font-size:16.5px;font-weight:700;margin:8px 0 8px;}
.site-body .step-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ===== CMS 列表 ===== */
.site-body .post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.site-body .post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-body .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,95,126,.3);}
.site-body .post-title{font-size:16.5px;font-weight:700;line-height:1.6;margin:0;color:var(--ink);}
.site-body .post-card:hover .post-title{color:var(--violet);}
.site-body .post-excerpt{
  margin:0;font-size:14px;color:var(--muted);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.site-body .post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.site-body .post-date{font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums;}
.site-body .post-empty{
  background:#fff;border:1px dashed rgba(122,63,242,.3);border-radius:var(--radius-md);
  padding:48px 24px;text-align:center;color:var(--muted);
}
.site-body .post-empty i{font-size:26px;color:var(--faint);display:block;margin-bottom:12px;}
.site-body .post-empty p{margin:0;font-size:14.5px;}

/* ===== FAQ ===== */
.site-body .faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  margin-bottom:12px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-body .faq-item[open]{border-color:rgba(255,95,126,.35);box-shadow:0 12px 28px rgba(255,95,126,.1);}
.site-body .faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;min-height:60px;font-weight:600;font-size:16px;color:var(--ink);
  transition:color .25s var(--ease);
}
.site-body .faq-item summary::-webkit-details-marker{display:none;}
.site-body .faq-item summary:hover{color:var(--violet);}
.site-body .faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--lilac);color:var(--violet);font-size:12px;transition:transform .25s var(--ease);
}
.site-body .faq-item[open] .faq-icon{transform:rotate(45deg);}
.site-body .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9;}
.site-body .faq-answer p{margin:0;}

/* ===== 下载 ===== */
.site-body .download-band{
  background:linear-gradient(150deg,rgba(255,95,126,.12),rgba(122,63,242,.1));
  border:1px solid rgba(255,95,126,.22);border-radius:var(--radius-lg);
  padding:36px;
}
.site-body .download-head{max-width:720px;margin-bottom:26px;}
.site-body .download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.site-body .dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;display:flex;flex-direction:column;gap:14px;align-items:flex-start;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.site-body .dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.site-body .dl-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;background:linear-gradient(135deg,var(--coral),var(--peach));
}
.site-body .dl-icon.vi{background:linear-gradient(135deg,var(--violet),#A272FF);}
.site-body .dl-icon.mi{background:linear-gradient(135deg,#12907B,var(--mint));}
.site-body .dl-card h3{font-size:16px;font-weight:700;margin:0;}
.site-body .dl-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7;}
.site-body .dl-card .btn{width:100%;margin-top:4px;}
.site-body .dl-note{margin:20px 0 0;font-size:13px;color:var(--muted);line-height:1.8;}

/* ===== 页脚 ===== */
.site-body .site-footer{background:var(--lilac);border-top:1px solid var(--line);padding:56px 0 26px;}
.site-body .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:36px;}
.site-body .footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin:16px 0 18px;max-width:340px;}
.site-body .footer-dl{display:flex;flex-wrap:wrap;gap:8px;}
.site-body .footer-dl a{
  padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
  transition:all .25s var(--ease);
}
.site-body .footer-dl a:hover{color:var(--coral);border-color:var(--coral);}
.site-body .footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin:0 0 16px;letter-spacing:.02em;}
.site-body .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.site-body .footer-col ul a{font-size:14px;color:var(--muted);font-weight:500;}
.site-body .footer-col ul a:hover{color:var(--coral);}
.site-body .footer-note{font-size:13px;color:var(--muted);line-height:1.85;margin:0;}
.site-body .footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(122,63,242,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--faint);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .site-body .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
  .site-body .grid-3{grid-template-columns:repeat(2,1fr);}
  .site-body .path-grid{grid-template-columns:repeat(2,1fr);}
  .site-body .feature-layout{grid-template-columns:1fr;}
  .site-body .post-grid{grid-template-columns:repeat(2,1fr);}
  .site-body .check-list{grid-template-columns:1fr;}
  .site-body .step-line{grid-template-columns:1fr;}
  .site-body .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .site-body .download-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .site-body .channel-nav{display:none;}
  .site-body .hamburger{display:inline-flex;}
  .site-body .channel-inner{height:56px;justify-content:space-between;}
  .site-body .section{padding:52px 0;}
  .site-body .cat-hero{padding:28px 0 40px;}
  .site-body .grid-3,.site-body .grid-2{grid-template-columns:1fr;}
  .site-body .path-grid{grid-template-columns:1fr;}
  .site-body .compare-grid{grid-template-columns:1fr;}
  .site-body .feature-side{grid-template-columns:1fr;}
  .site-body .post-grid{grid-template-columns:1fr;}
  .site-body .download-band{padding:24px;}
  .site-body .brand-actions .brand-link{display:none;}
}
@media (max-width:520px){
  .site-body .container{padding:0 16px;}
  .site-body .brand-actions .icon-btn{display:none;}
  .site-body .logo{font-size:14.5px;}
  .site-body .logo-text em{display:none;}
  .site-body .cat-title{font-size:24px;}
  .site-body .section-title{font-size:21px;}
  .site-body .footer-grid{grid-template-columns:1fr;}
  .site-body .footer-bottom{flex-direction:column;gap:4px;}
  .site-body .btn{padding:13px 20px;font-size:14.5px;}
  .site-body .cat-actions{flex-direction:column;align-items:stretch;}
  .site-body .cat-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .site-body *{transition:none !important;animation:none !important;}
}