/* roulang page: index */
:root{
  --ink-900:#060B14;
  --ink-800:#0A1424;
  --ink-700:#0F1D31;
  --glass:rgba(18,32,52,0.55);
  --glass-strong:rgba(22,38,60,0.78);
  --line:rgba(126,186,214,0.16);
  --brand-500:#2FD1B4;
  --brand-600:#1FB49B;
  --brand-300:#7FE8D2;
  --accent-500:#F0A24B;
  --accent-300:#FFC98A;
  --text-100:#E9F2F7;
  --text-300:#A9BBCB;
  --text-500:#75899B;
  --glow-brand:0 0 0 1px rgba(47,209,180,.35),0 10px 34px rgba(47,209,180,.22);
  --glow-accent:0 8px 28px rgba(240,162,75,.18);
  --radius-lg:22px;
  --radius:18px;
  --radius-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-300);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text-100);font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{display:block;max-width:100%;border-radius:14px}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(47,209,180,.28);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 品牌与导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:70;
  padding:0 20px;
  margin-top:20px;
}
@media (min-width:1024px){.site-header{padding:0 32px}}
.nav-wrap{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
  padding:0 16px 0 18px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck .nav-wrap{
  background:var(--glass-strong);
  border-color:rgba(47,209,180,.28);
  box-shadow:0 16px 42px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:24px;height:24px;flex:none;border-radius:7px;
  border:1px solid rgba(240,162,75,.5);
  background:linear-gradient(135deg,rgba(240,162,75,.2),rgba(47,209,180,.12));
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  padding:0 5px;
}
.brand-mark i{display:block;height:2px;border-radius:2px;background:var(--accent-500)}
.brand-mark i:last-child{width:68%;background:var(--brand-500)}
.brand-text strong{display:block;font-size:17px;line-height:1.15;color:var(--accent-300);letter-spacing:.02em;font-weight:700}
.brand-text em{display:block;font-style:normal;font-size:11px;line-height:1.4;color:var(--text-500);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--text-300);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--text-100);background:rgba(47,209,180,.08)}
.nav-links a.active{color:var(--brand-300)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-600));color:#04121A;box-shadow:var(--glow-brand)}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-300),var(--brand-500));transform:translateY(-1px);box-shadow:0 0 0 1px rgba(127,232,210,.5),0 14px 38px rgba(47,209,180,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(47,209,180,.35),0 6px 18px rgba(47,209,180,.18)}
.btn-ghost{background:rgba(18,32,52,.6);border-color:var(--line);color:var(--text-100);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-300);transform:translateY(-1px)}
.btn-accent{background:linear-gradient(135deg,var(--accent-500),var(--accent-300));color:#20130A;box-shadow:var(--glow-accent)}
.btn-accent:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-300);font-size:14.5px;font-weight:600;
  border-bottom:1px solid rgba(127,232,210,.35);
  padding-bottom:2px;
}
.link-more:hover{color:#fff;border-bottom-color:var(--brand-300)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;
  color:var(--text-300);
  background:rgba(18,32,52,.65);
  border:1px solid var(--line);
  backdrop-filter:blur(8px);
  white-space:nowrap;
}
.badge-brand{color:var(--brand-300);border-color:rgba(47,209,180,.35)}
.badge-accent{color:var(--accent-300);border-color:rgba(240,162,75,.35)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:10px;
  font-size:12.5px;color:var(--text-300);
  background:rgba(126,186,214,.08);
  border:1px solid var(--line);
}

/* ---------- 玻璃卡片 ---------- */
.glass{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.glass::before{
  content:"";position:absolute;left:18px;right:18px;top:0;height:2px;border-radius:0 0 2px 2px;
  background:linear-gradient(90deg,var(--brand-500),rgba(47,209,180,0));
  opacity:.85;
}
.glass:hover{
  transform:translateY(-3px);
  border-color:rgba(47,209,180,.4);
  box-shadow:0 10px 30px rgba(0,0,0,.35),var(--glow-brand);
}

/* ---------- 板块 ---------- */
.section{position:relative;padding:44px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--ink-800)}
.section-glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 8% 0%,rgba(47,209,180,.09),transparent 70%),
    radial-gradient(560px 300px at 96% 100%,rgba(240,162,75,.07),transparent 72%);
}
.section > .container{position:relative;z-index:1}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(23px,2.6vw,34px);line-height:1.3}
.sec-head p{margin-top:12px;font-size:16px;color:var(--text-300);max-width:640px}
.sec-head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;max-width:none}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-300);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:44px 0 76px;overflow:hidden;background:var(--ink-900)}
@media (min-width:1024px){.hero{padding:64px 0 100px}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(126,186,214,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,186,214,.06) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 78%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 78%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(700px 380px at 12% 0%,rgba(47,209,180,.12),transparent 70%),
    radial-gradient(560px 340px at 92% 82%,rgba(240,162,75,.09),transparent 72%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center}}
.hero-copy h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;margin-top:18px;font-weight:700}
.hero-copy h1 .hl{color:var(--brand-300)}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--text-300);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:30px}
.hero-metric strong{display:block;font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--accent-300);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-metric span{display:block;font-size:13px;color:var(--text-500);margin-top:4px}
.hero-visual{position:relative}
.hero-img{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(15,29,49,.95),rgba(6,11,20,.95));
  aspect-ratio:16/11;box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.hero-img img{width:100%;height:100%;object-fit:cover;opacity:.82;border-radius:0}
.hero-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.1),rgba(6,11,20,.72));
}
.hero-spot{
  position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,162,75,.4),transparent 68%);
  filter:blur(6px);pointer-events:none;
}
.float-card{
  position:absolute;border-radius:var(--radius-sm);padding:12px 14px;
  background:rgba(15,29,49,.86);border:1px solid var(--line);
  box-shadow:0 14px 36px rgba(0,0,0,.5);
  backdrop-filter:blur(14px) saturate(130%);
  font-size:12.5px;color:var(--text-300);
  z-index:2;
}
.float-a{left:-10px;bottom:26px;width:190px}
@media (min-width:768px){.float-a{left:-24px;bottom:34px;width:210px}}
.float-a b{display:block;color:var(--text-100);font-size:13px;margin-bottom:6px}
.float-a i{display:flex;align-items:center;gap:6px;font-style:normal;color:var(--text-500);line-height:1.9}
.float-a i::before{content:"";width:5px;height:5px;border-radius:2px;background:var(--brand-500);flex:none}
.float-b{right:-6px;top:22px;width:150px;text-align:left}
@media (min-width:768px){.float-b{right:-18px;top:28px;width:164px}}
.float-b strong{display:block;font-size:24px;line-height:1.1;color:var(--brand-300);font-weight:700;font-variant-numeric:tabular-nums}
.float-b span{display:block;font-size:12px;color:var(--text-500);margin-top:4px}

/* ---------- 痛点阶梯卡 ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.pain-grid{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}
.pain-list{display:flex;flex-direction:column;gap:16px}
.pain-item{padding:20px 22px}
@media (min-width:768px){
  .pain-item:nth-child(2){margin-left:12px}
  .pain-item:nth-child(3){margin-left:24px}
  .pain-item:nth-child(4){margin-left:36px}
}
.pain-item .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(47,209,180,.45);color:var(--brand-300);
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:10px;
}
.pain-item h3{font-size:16.5px;margin-bottom:6px}
.pain-item p{font-size:14px;color:var(--text-500);line-height:1.75}

/* ---------- 解决方案 ---------- */
.solve-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.solve-grid{grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}}
.solve-main{padding:26px;border-radius:var(--radius-lg)}
.solve-main h3{font-size:19px;margin-bottom:8px}
.solve-main > p{font-size:14.5px;color:var(--text-300);margin-bottom:20px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini-cell{
  padding:14px;border-radius:var(--radius-sm);
  background:rgba(10,20,36,.7);border:1px solid var(--line);
}
.mini-cell b{display:block;font-size:14.5px;color:var(--text-100);font-weight:600;margin-bottom:4px}
.mini-cell span{font-size:12.5px;color:var(--text-500);line-height:1.65;display:block}
.feature-rows{display:flex;flex-direction:column;justify-content:center}
.feature-row{
  display:flex;align-items:center;gap:14px;
  padding:18px 4px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.feature-row:first-child{border-top:1px solid var(--line)}
.feature-row:hover{background:rgba(47,209,180,.06)}
.feature-icon{
  width:40px;height:40px;flex:none;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-300);font-size:15px;font-weight:700;
  background:rgba(47,209,180,.1);border:1px solid rgba(47,209,180,.3);
  font-variant-numeric:tabular-nums;
}
.feature-row .ftxt{flex:1;min-width:0}
.feature-row h4{font-size:15.5px;margin-bottom:2px}
.feature-row p{font-size:13.5px;color:var(--text-500);line-height:1.7}
.feature-row .arrow{color:var(--text-500);font-size:16px;transition:transform .2s var(--ease),color .2s var(--ease)}
.feature-row:hover .arrow{color:var(--brand-300);transform:translateX(3px)}

/* ---------- 版块导航（唯一分类入口板块） ---------- */
.zone-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.zone-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.zone-grid{grid-template-columns:repeat(4,1fr)}}
.zone-main{
  grid-column:span 1;padding:0;overflow:hidden;border-radius:var(--radius-lg);
  display:flex;flex-direction:column;
}
@media (min-width:768px){.zone-main{grid-column:span 2}}
.zone-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.zone-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.78}
.zone-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.05),rgba(6,11,20,.85))}
.zone-cover .badge{position:absolute;left:16px;top:16px;z-index:2}
.zone-body{padding:20px 22px 22px}
.zone-body h3{font-size:19px;margin-bottom:8px}
.zone-body ul{margin:0 0 16px}
.zone-body li{
  position:relative;padding-left:16px;font-size:13.5px;color:var(--text-300);line-height:1.9;
}
.zone-body li::before{content:"";position:absolute;left:0;top:.85em;width:6px;height:6px;border-radius:2px;background:var(--brand-500);opacity:.7}
.zone-card{padding:22px;display:flex;flex-direction:column;gap:10px}
.zone-card .zicon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(240,162,75,.12);border:1px solid rgba(240,162,75,.32);
  color:var(--accent-300);font-weight:700;font-size:15px;
}
.zone-card h4{font-size:16px}
.zone-card p{font-size:13.5px;color:var(--text-500);line-height:1.75;flex:1}
.zone-card .enter{font-size:13.5px;color:var(--brand-300);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.zone-card .enter:hover{color:#fff;gap:10px}

/* ---------- 步骤条 ---------- */
.steps{position:relative;display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,1fr);gap:20px}}
.step{position:relative;padding-left:52px}
@media (min-width:768px){
  .step{padding-left:0;padding-top:52px;text-align:left}
}
.step-num{
  position:absolute;left:0;top:0;
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(47,209,180,.5);color:var(--brand-300);
  font-size:13.5px;font-weight:700;background:rgba(10,20,36,.9);
  font-variant-numeric:tabular-nums;z-index:2;
}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--text-500);line-height:1.8}
@media (min-width:768px){
  .step::after{
    content:"";position:absolute;left:44px;top:17px;right:-14px;
    border-top:1px dashed rgba(126,186,214,.28);
  }
  .steps .step:last-child::after{display:none}
}
@media (max-width:767px){
  .steps::before{
    content:"";position:absolute;left:16px;top:8px;bottom:8px;
    border-left:1px dashed rgba(126,186,214,.28);
  }
}

/* ---------- 成果数据条 ---------- */
.stat-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(15,29,49,.95),rgba(6,11,20,.95));
  padding:36px 24px;
  box-shadow:0 20px 50px rgba(0,0,0,.45);
}
@media (min-width:1024px){.stat-band{padding:46px 44px}}
.stat-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(126,186,214,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,186,214,.06) 1px,transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 30% 20%,#000,transparent 78%);
}
.stat-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,209,180,.22),transparent 68%);
  pointer-events:none;
}
.stat-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:26px 20px}
@media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item strong{
  display:block;font-size:clamp(28px,3vw,42px);line-height:1.1;font-weight:700;
  font-variant-numeric:tabular-nums;color:var(--accent-300);
}
.stat-item:nth-child(even) strong{color:var(--brand-300)}
.stat-item span{display:block;margin-top:8px;font-size:13px;color:var(--text-500);letter-spacing:.04em}

/* ---------- 精选热帖 ---------- */
.hot-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.hot-grid{grid-template-columns:7fr 5fr;gap:24px}}
.hot-lead{padding:0;overflow:hidden;border-radius:var(--radius-lg);display:flex;flex-direction:column}
.hot-lead .lead-cover{aspect-ratio:16/9;overflow:hidden}
.hot-lead .lead-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.85;transition:transform .35s var(--ease)}
.hot-lead:hover .lead-cover img{transform:scale(1.04)}
.hot-lead .lead-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.hot-lead h3{font-size:19px;line-height:1.45}
.hot-lead p{font-size:14px;color:var(--text-500);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-side{display:flex;flex-direction:column;gap:16px}
.hot-mini{display:flex;align-items:center;gap:14px;padding:14px}
.hot-mini .thumb{width:88px;height:66px;flex:none;overflow:hidden;border-radius:12px;border:1px solid var(--line)}
.hot-mini .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hot-mini h4{font-size:14.5px;line-height:1.55;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-500);flex-wrap:wrap}

/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.voice-grid{grid-template-columns:repeat(3,1fr)}}
.voice-card{padding:24px}
@media (min-width:768px){
  .voice-card:nth-child(2){margin-top:14px}
  .voice-card:nth-child(3){margin-top:6px}
}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;flex:none;border-radius:50%;
  background:linear-gradient(135deg,rgba(47,209,180,.28),rgba(240,162,75,.22));
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-100);font-size:14px;font-weight:700;
}
.voice-top b{display:block;font-size:14.5px;color:var(--text-100);font-weight:600;line-height:1.3}
.voice-top span{display:block;font-size:12px;color:var(--text-500)}
.voice-card p{font-size:14px;line-height:1.85;color:var(--text-300)}
.stars{display:flex;gap:3px;margin-top:14px;color:var(--accent-500);font-size:13px;letter-spacing:2px}

/* ---------- 适用人群 ---------- */
.who-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.who-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.who-grid{grid-template-columns:repeat(4,1fr)}}
.who-card{padding:0;overflow:hidden;border-radius:var(--radius);display:flex;flex-direction:column}
.who-cover{position:relative;aspect-ratio:3/4;overflow:hidden;border-bottom:1px solid var(--line)}
.who-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.72;transition:transform .4s var(--ease),opacity .3s var(--ease)}
.who-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,20,.05),rgba(6,11,20,.82))}
.who-card:hover .who-cover img{transform:scale(1.03);opacity:.85}
.who-card:hover{border-color:rgba(47,209,180,.4)}
.who-body{padding:16px 18px 20px}
.who-body h3{font-size:16px;margin-bottom:10px}
.who-body li{position:relative;padding-left:15px;font-size:13px;color:var(--text-500);line-height:1.9}
.who-body li::before{content:"";position:absolute;left:0;top:.85em;width:5px;height:5px;border-radius:50%;background:var(--brand-500);opacity:.75}

/* ---------- CMS 资讯列表 ---------- */
.info-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.info-grid{grid-template-columns:1fr 1fr}}
.info-card{padding:0;overflow:hidden;display:flex;flex-direction:column;border-radius:var(--radius)}
.info-thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.info-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.8;transition:transform .35s var(--ease),opacity .3s var(--ease)}
.info-card:hover .info-thumb img{transform:scale(1.04);opacity:.95}
.info-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-body h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-body p{font-size:13.5px;color:var(--text-500);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.info-time{font-size:12px;color:var(--text-500);font-variant-numeric:tabular-nums}
.info-arrow{color:var(--brand-300);font-size:15px;transition:transform .2s var(--ease)}
.info-card:hover .info-arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:52px 24px;text-align:center;border-radius:var(--radius);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(47,209,180,.1);border:1px solid rgba(47,209,180,.3);
  color:var(--brand-300);font-size:22px;
}
.empty-state p{font-size:14.5px;color:var(--text-300)}

/* ---------- 专题合集 ---------- */
.topic-layout{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.topic-layout{grid-template-columns:4fr 8fr;gap:28px;align-items:start}}
.topic-side{padding:26px;border-radius:var(--radius-lg);position:relative}
@media (min-width:1024px){.topic-side{position:sticky;top:110px}}
.topic-side h3{font-size:19px;margin-bottom:10px}
.topic-side p{font-size:13.5px;color:var(--text-500);line-height:1.85;margin-bottom:20px}
.topic-cards{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.topic-cards{grid-template-columns:1fr 1fr}}
.topic-card{padding:0;overflow:hidden;border-radius:var(--radius);display:flex;flex-direction:column}
.topic-card .tcover{aspect-ratio:16/8;overflow:hidden;border-bottom:1px solid var(--line)}
.topic-card .tcover img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.78}
.topic-card .tbody{padding:16px 18px 18px}
.topic-card h4{font-size:15.5px;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.topic-card .tbody ul li{border-top:1px solid var(--line)}
.topic-card .tbody ul li:first-child{border-top:0}
.topic-card .tbody ul a{display:block;font-size:13px;color:var(--text-500);line-height:1.7;padding:8px 0;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.topic-card .tbody ul a:hover{color:var(--brand-300);padding-left:4px}

/* ---------- 指标横条 ---------- */
.mono-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.mono-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.mono-grid{grid-template-columns:repeat(3,1fr)}}
.mono-card{
  display:flex;align-items:center;gap:16px;
  height:88px;padding:0 20px;border-radius:var(--radius-sm);
}
.mono-card .m-icon{
  width:40px;height:40px;flex:none;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(47,209,180,.1);border:1px solid rgba(47,209,180,.28);
  color:var(--brand-300);font-size:14px;font-weight:700;
}
.mono-card b{display:block;font-size:19px;color:var(--text-100);font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.mono-card span{display:block;font-size:12.5px;color:var(--text-500);margin-top:2px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item[open]{border-color:rgba(47,209,180,.4);background:rgba(10,20,36,.85)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;font-size:15.5px;color:var(--text-100);font-weight:600;line-height:1.6;
  min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(47,209,180,.32);color:var(--brand-300);
  font-size:16px;line-height:1;font-weight:400;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);background:rgba(47,209,180,.12)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-300);outline-offset:-2px}
.faq-body{padding:0 20px 18px;font-size:14px;color:var(--text-300);line-height:1.9;border-top:1px solid var(--line);padding-top:14px}

/* ---------- 发帖指南 ---------- */
.guide-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.guide-grid{grid-template-columns:5fr 7fr;gap:32px;align-items:start}}
.guide-card{
  padding:24px;border-radius:var(--radius-lg);
  border:1px solid rgba(240,162,75,.4);
  background:linear-gradient(160deg,rgba(240,162,75,.1),rgba(15,29,49,.85));
  box-shadow:var(--glow-accent);
}
.guide-card::before{background:linear-gradient(90deg,var(--accent-500),rgba(240,162,75,0))}
.guide-card h3{font-size:17px;margin-bottom:14px;color:var(--accent-300)}
.guide-card li{position:relative;padding-left:18px;font-size:13.5px;color:var(--text-300);line-height:1.9}
.guide-card li::before{content:"";position:absolute;left:0;top:.85em;width:7px;height:7px;border-radius:2px;background:var(--accent-500);opacity:.8}
.guide-rows{display:flex;flex-direction:column}
.guide-row{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.guide-row:last-child{border-bottom:0}
.guide-row .g-num{
  flex:none;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(47,209,180,.4);color:var(--brand-300);
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.guide-row h4{font-size:15px;margin-bottom:4px}
.guide-row p{font-size:13.5px;color:var(--text-500);line-height:1.8}

/* ---------- 收口 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(15,29,49,.92),rgba(6,11,20,.96));
  padding:48px 24px;text-align:center;
  margin:0 auto;
}
@media (min-width:1024px){.cta-band{padding:64px 40px}}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-40%;transform:translateX(-50%);
  width:720px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,209,180,.22),transparent 68%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;margin-bottom:14px}
.cta-band p{max-width:620px;margin:0 auto;font-size:15.5px;color:var(--text-300);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:64px;background:var(--ink-800);border-top:1px solid var(--line);padding:52px 0 28px}
@media (min-width:1024px){.site-footer{padding:64px 0 32px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){.footer-grid{grid-template-columns:4fr 8fr;gap:56px}}
.footer-brand p{margin-top:16px;font-size:13.5px;color:var(--text-500);line-height:1.9;max-width:320px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (min-width:768px){.footer-cols{grid-template-columns:repeat(3,1fr)}}
.footer-cols h3{font-size:13px;color:var(--text-100);letter-spacing:.1em;margin-bottom:14px;font-weight:600}
.footer-cols li{margin-bottom:10px}
.footer-cols a{font-size:13.5px;color:var(--text-500)}
.footer-cols a:hover{color:var(--brand-300)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-500);
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--brand-300)}

/* ---------- 移动抽屉 ---------- */
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(18,32,52,.6);
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-100);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;z-index:65;
  display:none;flex-direction:column;
  padding:104px 24px 32px;
  background:rgba(6,11,20,.96);
  backdrop-filter:blur(16px);
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer a.m-link{
  display:flex;align-items:center;min-height:52px;
  font-size:17px;color:var(--text-100);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-link.active{color:var(--brand-300)}
.mobile-drawer .btn{margin-top:24px;width:100%}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn-sm{display:none}
  .nav-toggle{display:flex}
  .mobile-drawer{display:none}
  .mobile-drawer.is-open{display:flex}
}
@media (min-width:1024px){
  .mobile-drawer{display:none !important}
}
/* 入场淡入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#060B14;
  --ink-800:#0A1424;
  --ink-700:#0F1D31;
  --glass:rgba(18,32,52,0.55);
  --glass-strong:rgba(22,38,60,0.78);
  --line:rgba(126,186,214,0.16);
  --brand-500:#2FD1B4;
  --brand-600:#1FB49B;
  --brand-300:#7FE8D2;
  --accent-500:#F0A24B;
  --accent-300:#FFC98A;
  --text-100:#E9F2F7;
  --text-300:#A9BBCB;
  --text-500:#75899B;
  --glow-brand:0 0 0 1px rgba(47,209,180,.35),0 10px 34px rgba(47,209,180,.22);
  --glow-accent:0 8px 28px rgba(240,162,75,.18);
  --radius-lg:22px;
  --radius:18px;
  --radius-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-300);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
img{display:block;max-width:100%;border-radius:14px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:70;padding:0 20px;margin-top:20px}
@media(min-width:1024px){.site-header{padding:0 32px}}
.nav-wrap{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  height:64px;padding:0 16px 0 18px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck .nav-wrap{
  background:var(--glass-strong);
  border-color:rgba(47,209,180,.28);
  box-shadow:0 16px 42px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:24px;height:24px;flex:none;border-radius:7px;
  border:1px solid rgba(240,162,75,.5);
  background:linear-gradient(135deg,rgba(240,162,75,.2),rgba(47,209,180,.12));
  display:flex;flex-direction:column;justify-content:center;gap:4px;padding:0 5px;
}
.brand-mark i{display:block;height:2px;border-radius:2px;background:var(--accent-500)}
.brand-mark i:last-child{width:68%;background:var(--brand-500)}
.brand-text strong{display:block;font-size:17px;line-height:1.15;color:var(--accent-300);letter-spacing:.02em;font-weight:700}
.brand-text em{display:block;font-style:normal;font-size:11px;line-height:1.4;color:var(--text-500);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:10px;font-size:15px;color:var(--text-300);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--text-100);background:rgba(47,209,180,.08)}
.nav-links a.active{color:var(--brand-300)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;background:rgba(18,32,52,.6)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-100);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:10px;letter-spacing:.06em}
}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:95;
  display:none;flex-direction:column;
  padding:18px 24px 28px;
  background:rgba(6,11,20,.95);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
}
.mobile-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;margin-bottom:14px}
.drawer-title{font-size:15px;color:var(--accent-300);font-weight:600;letter-spacing:.02em}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:22px;line-height:1;color:var(--text-100);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-300)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;
  font-size:17px;color:var(--text-100);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand-300)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-600));color:#04121A;box-shadow:var(--glow-brand)}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-300),var(--brand-500));transform:translateY(-1px);box-shadow:0 0 0 1px rgba(127,232,210,.5),0 14px 38px rgba(47,209,180,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(47,209,180,.35),0 6px 18px rgba(47,209,180,.18)}
.btn-ghost{background:rgba(18,32,52,.6);border-color:var(--line);color:var(--text-100);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-300);transform:translateY(-1px)}
.btn-accent{background:linear-gradient(135deg,var(--accent-500),var(--accent-300));color:#20130A;box-shadow:var(--glow-accent)}
.btn-accent:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;line-height:1.5;
  color:var(--text-300);background:rgba(18,32,52,.65);
  border:1px solid var(--line);backdrop-filter:blur(8px);white-space:nowrap;
}
.badge-brand{color:var(--brand-300);border-color:rgba(47,209,180,.35)}
.badge-accent{color:var(--accent-300);border-color:rgba(240,162,75,.35)}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:10px;
  font-size:12.5px;color:var(--text-300);
  background:rgba(126,186,214,.08);border:1px solid var(--line);
}

/* ---------- 板块 ---------- */
.section{position:relative;padding:44px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--ink-800)}
.section-glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 8% 0%,rgba(47,209,180,.09),transparent 70%),
    radial-gradient(560px 300px at 96% 100%,rgba(240,162,75,.07),transparent 72%);
}
.section > .container{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--brand-300);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500)}

/* ---------- 导读带 ---------- */
.article-lead{padding:36px 0 0;background:var(--ink-900)}
.lead-inner{max-width:860px;margin:0 auto}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-500);margin-bottom:18px}
.crumb a{color:var(--text-300)}
.crumb a:hover{color:var(--brand-300)}
.crumb .sep{color:rgba(117,137,155,.6)}
.crumb-current{color:var(--text-500);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lead-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(47,209,180,.12),rgba(18,32,52,.6) 46%,rgba(240,162,75,.1));
  padding:22px 24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.lead-band .band-title{font-size:15px;font-weight:600;color:var(--text-100);display:inline-flex;align-items:center;gap:10px}
.lead-band .band-title::before{content:"";width:6px;height:18px;border-radius:3px;background:linear-gradient(180deg,var(--brand-500),rgba(47,209,180,.2))}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--text-500)}
.meta-line time{color:var(--accent-300)}

/* ---------- 文章头部 ---------- */
.article-head{padding:34px 0 0;background:var(--ink-900)}
.head-inner{max-width:860px;margin:0 auto}
.head-inner h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.32;font-weight:700;
  color:var(--text-100);letter-spacing:-0.01em;
}
.head-sub{margin-top:14px;font-size:16px;color:var(--text-500);line-height:1.8}
.author-bar{
  display:flex;align-items:center;gap:12px;margin-top:24px;
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.avatar{
  width:32px;height:32px;flex:none;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--brand-300),var(--brand-600));
  border:1px solid rgba(127,232,210,.5);
}
.author-name{font-size:14px;color:var(--text-100)}
.author-meta{font-size:12.5px;color:var(--text-500)}
.author-bar .badge{margin-left:auto}

/* ---------- 正文 ---------- */
.article-main{background:var(--ink-900);padding:32px 0 20px}
.prose-wrap{max-width:820px;margin:0 auto}
.article-prose{font-size:17px;line-height:1.9;color:var(--text-300);word-wrap:break-word}
.article-prose p{margin:0 0 1.1em}
.article-prose h2{
  position:relative;margin:2em 0 .8em;padding-left:16px;
  font-size:clamp(20px,2.2vw,26px);line-height:1.45;font-weight:700;color:var(--text-100);
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-500),rgba(47,209,180,.25));
}
.article-prose h3{margin:1.6em 0 .6em;font-size:18px;line-height:1.5;font-weight:600;color:var(--text-100)}
.article-prose h4{margin:1.4em 0 .5em;font-size:16.5px;font-weight:600;color:var(--text-100)}
.article-prose a{color:var(--brand-300);border-bottom:1px solid rgba(127,232,210,.4)}
.article-prose a:hover{border-bottom-color:var(--brand-300);color:var(--brand-500)}
.article-prose strong{color:var(--text-100);font-weight:600}
.article-prose ul,.article-prose ol{margin:0 0 1.2em;padding-left:20px}
.article-prose li{margin:.4em 0}
.article-prose ul li::marker{color:var(--brand-500)}
.article-prose ol li::marker{color:var(--brand-500);font-weight:600}
.article-prose blockquote{
  margin:1.6em 0;padding:16px 20px;
  border-left:3px solid var(--accent-500);
  background:var(--glass);border-radius:0 14px 14px 0;
  color:var(--text-300);
}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose img{
  margin:1.5em auto;border-radius:14px;border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.article-prose figure{margin:1.5em 0}
.article-prose figcaption{font-size:13px;color:var(--text-500);text-align:center;margin-top:8px}
.article-prose table{
  width:100%;border-collapse:collapse;margin:1.5em 0;
  background:var(--glass);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-prose th,.article-prose td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:15px}
.article-prose th{color:var(--text-100);background:rgba(47,209,180,.08);font-weight:600}
.article-prose tr:last-child td{border-bottom:0}
.article-prose code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(6,11,20,.8);border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;color:var(--brand-300);
}
.article-prose pre{
  margin:1.5em 0;padding:16px 18px;overflow-x:auto;
  background:rgba(6,11,20,.85);border:1px solid var(--line);border-radius:14px;
}
.article-prose pre code{background:none;border:0;padding:0;color:var(--text-100)}

/* 空态 */
.empty-card{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;
  padding:52px 24px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.empty-icon{
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(47,209,180,.1);border:1px solid rgba(47,209,180,.32);
  color:var(--brand-300);font-size:22px;
}
.empty-card h3{font-size:19px;color:var(--text-100)}
.empty-card p{font-size:14.5px;color:var(--text-500);max-width:420px}

/* ---------- 要点小结 ---------- */
.key-points{
  margin-top:38px;padding:26px 24px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  position:relative;overflow:hidden;
}
.key-points::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand-500),rgba(47,209,180,0));
}
.key-points h2{font-size:19px;color:var(--text-100);font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.key-points h2 span{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:8px;font-size:13px;
  background:rgba(47,209,180,.14);border:1px solid rgba(47,209,180,.35);color:var(--brand-300);
}
.key-points ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.key-points li{display:flex;gap:12px;font-size:15.5px;line-height:1.8;color:var(--text-300)}
.key-points li::before{
  content:"✓";flex:none;
  width:22px;height:22px;margin-top:3px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--brand-300);
  background:rgba(47,209,180,.12);border:1px solid rgba(47,209,180,.3);
}

/* ---------- 标签 ---------- */
.tag-block{margin-top:34px}
.tag-block h2{font-size:15px;color:var(--text-100);font-weight:600;margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;
  font-size:13.5px;color:var(--text-300);
  background:rgba(18,32,52,.65);border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag-list a:hover{border-color:rgba(47,209,180,.45);color:var(--brand-300);transform:translateY(-2px)}

/* ---------- 相关推荐 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:var(--text-100);font-weight:700}
.sec-head p{font-size:14px;color:var(--text-500);margin-top:8px}
.link-more{font-size:14px;color:var(--brand-300);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-500)}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(47,209,180,.4);box-shadow:0 10px 30px rgba(0,0,0,.35),var(--glow-brand)}
.rel-thumb{display:block;aspect-ratio:16/10;overflow:hidden;border-radius:0;background:linear-gradient(135deg,rgba(47,209,180,.12),rgba(240,162,75,.1))}
.rel-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16px;line-height:1.55;color:var(--text-100);font-weight:600}
.rel-body h3 a:hover{color:var(--brand-300)}
.rel-body time{font-size:12.5px;color:var(--text-500);margin-top:auto}

/* ---------- 上下篇 ---------- */
.pn-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.pn-grid{grid-template-columns:1fr 1fr}}
.pn-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pn-card:hover{border-color:rgba(47,209,180,.45);transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.35),var(--glow-brand)}
.pn-card .pn-label{font-size:12.5px;color:var(--accent-300);letter-spacing:.08em}
.pn-card .pn-title{font-size:16px;color:var(--text-100);font-weight:600;line-height:1.55}
.pn-card .pn-desc{font-size:13.5px;color:var(--text-500)}
.pn-card.right{text-align:right}
.pn-card.right .pn-label::after{content:" →"}
.pn-card.left .pn-label::before{content:"← "}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  padding:48px 26px;border-radius:24px;
  background:var(--glass-strong);border:1px solid var(--line);
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:340px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(47,209,180,.22),transparent 72%);
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);line-height:1.4;color:var(--text-100);font-weight:700}
.cta-band p{margin:14px auto 0;max-width:560px;font-size:15px;color:var(--text-300);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 24px;position:relative;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:900px){.footer-grid{grid-template-columns:1.25fr 2fr;gap:56px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{margin:0;font-size:14px;line-height:1.9;color:var(--text-500);max-width:400px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(min-width:640px){.footer-cols{grid-template-columns:repeat(3,1fr)}}
.footer-cols h3{font-size:14px;color:var(--text-100);font-weight:600;margin-bottom:12px}
.footer-cols ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-cols a{font-size:14px;color:var(--text-500)}
.footer-cols a:hover{color:var(--brand-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-500);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a:hover{color:var(--brand-300)}

/* roulang page: category1 */
:root{
  --ink-900:#060B14;
  --ink-800:#0A1424;
  --ink-700:#0F1D31;
  --glass:rgba(18,32,52,0.55);
  --glass-strong:rgba(22,38,60,0.78);
  --line:rgba(126,186,214,0.16);
  --brand-500:#2FD1B4;
  --brand-600:#1FB49B;
  --brand-300:#7FE8D2;
  --accent-500:#F0A24B;
  --accent-300:#FFC98A;
  --text-100:#E9F2F7;
  --text-300:#A9BBCB;
  --text-500:#75899B;
  --glow-brand:0 0 0 1px rgba(47,209,180,.35),0 10px 34px rgba(47,209,180,.22);
  --glow-accent:0 8px 28px rgba(240,162,75,.18);
  --radius-lg:22px;
  --radius:18px;
  --radius-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-300);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text-100);font-weight:700;letter-spacing:-0.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{display:block;max-width:100%;border-radius:14px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 品牌与导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:70;
  padding:0 20px;
  margin-top:20px;
}
@media(min-width:1024px){.site-header{padding:0 32px}}
.nav-wrap{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
  padding:0 16px 0 18px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck .nav-wrap{
  background:var(--glass-strong);
  border-color:rgba(47,209,180,.28);
  box-shadow:0 16px 42px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:24px;height:24px;flex:none;border-radius:7px;
  border:1px solid rgba(240,162,75,.5);
  background:linear-gradient(135deg,rgba(240,162,75,.2),rgba(47,209,180,.12));
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  padding:0 5px;
}
.brand-mark i{display:block;height:2px;border-radius:2px;background:var(--accent-500)}
.brand-mark i:last-child{width:68%;background:var(--brand-500)}
.brand-text strong{display:block;font-size:17px;line-height:1.15;color:var(--accent-300);letter-spacing:.02em;font-weight:700}
.brand-text em{display:block;font-style:normal;font-size:11px;line-height:1.4;color:var(--text-500);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--text-300);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--text-100);background:rgba(47,209,180,.08)}
.nav-links a.active{color:var(--brand-300)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;flex:none;
  border:1px solid var(--line);background:rgba(18,32,52,.6);position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;width:20px;height:2px;border-radius:2px;
  background:var(--text-100);transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:90;
  display:none;flex-direction:column;
  padding:24px 24px 32px;
  background:rgba(6,11,20,.96);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  color:var(--text-100);font-size:22px;line-height:1;background:rgba(18,32,52,.6);
}
.drawer-links{display:flex;flex-direction:column;margin-bottom:auto}
.drawer-links a{
  display:flex;align-items:center;height:52px;
  font-size:17px;color:var(--text-300);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand-300)}
.drawer-cta{width:100%;margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-600));color:#04121A;box-shadow:var(--glow-brand)}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-300),var(--brand-500));transform:translateY(-1px);box-shadow:0 0 0 1px rgba(127,232,210,.5),0 14px 38px rgba(47,209,180,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(47,209,180,.35),0 6px 18px rgba(47,209,180,.18)}
.btn-ghost{background:rgba(18,32,52,.6);border-color:var(--line);color:var(--text-100);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-300);transform:translateY(-1px)}
.btn-accent{background:linear-gradient(135deg,var(--accent-500),var(--accent-300));color:#20130A;box-shadow:var(--glow-accent)}
.btn-accent:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;
  color:var(--text-300);
  background:rgba(18,32,52,.65);
  border:1px solid var(--line);
  backdrop-filter:blur(8px);
  white-space:nowrap;
}
.badge-brand{color:var(--brand-300);border-color:rgba(47,209,180,.35)}
.badge-accent{color:var(--accent-300);border-color:rgba(240,162,75,.35)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:10px;
  font-size:12.5px;color:var(--text-300);
  background:rgba(126,186,214,.08);
  border:1px solid var(--line);
}

/* ---------- 板块通用 ---------- */
.section{position:relative;padding:44px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:84px 0}}
.section-alt{background:var(--ink-800)}
.section-glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 8% 0%,rgba(47,209,180,.09),transparent 70%),
    radial-gradient(560px 300px at 96% 100%,rgba(240,162,75,.07),transparent 72%);
}
.section > .container{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;
  color:var(--brand-300);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:10px}
.section-head p{color:var(--text-500);font-size:15px}

/* ---------- 分类头部带 ---------- */
.cat-hero{position:relative;padding:36px 0 8px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(126,186,214,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,186,214,.05) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.cat-hero > .container{position:relative;z-index:1}
.cat-hero-band{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  min-height:220px;
  padding:32px 28px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:
    linear-gradient(112deg,rgba(47,209,180,.20) 0%,rgba(15,29,49,.62) 44%,rgba(10,20,36,.94) 82%),
    var(--glass-strong);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  overflow:hidden;
}
.cat-hero-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(240,162,75,.22),transparent 68%);
  pointer-events:none;
}
@media(min-width:768px){.cat-hero-band{padding:36px 40px}}
.cat-hero-main{position:relative;z-index:1}
.cat-hero-main h1{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.22;
  margin:14px 0 12px;
}
.cat-hero-main h1 span{color:var(--brand-300)}
.cat-hero-main p{font-size:15.5px;color:var(--text-300);max-width:640px}
.cat-hero-main p + p{margin-top:8px;color:var(--text-500);font-size:14.5px}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cat-hero-side{
  position:relative;z-index:1;
  display:flex;flex-direction:column;gap:12px;min-width:158px;
}
.cat-hero-side .btn{width:100%}
@media(max-width:767px){
  .cat-hero-band{grid-template-columns:1fr}
  .cat-hero-side{flex-direction:row;flex-wrap:wrap}
  .cat-hero-side .btn{width:auto;flex:1 1 140px}
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:12px;margin-bottom:28px;
  border-bottom:1px solid var(--line);
  scrollbar-width:thin;
}
.filter-bar::-webkit-scrollbar{height:4px}
.filter-bar::-webkit-scrollbar-thumb{background:rgba(126,186,214,.25);border-radius:4px}
.filter-bar button{
  flex:none;padding:8px 16px;border-radius:999px;
  font-size:13.5px;color:var(--text-500);
  border:1px solid var(--line);background:rgba(18,32,52,.5);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.filter-bar button:hover{color:var(--text-100);border-color:rgba(47,209,180,.4)}
.filter-bar button.is-on{
  color:var(--brand-300);border-color:rgba(47,209,180,.5);
  background:rgba(47,209,180,.1);
}

/* ---------- 条目卡片 ---------- */
.zone-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.zone-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}}
.zone-card{
  position:relative;padding:22px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
  overflow:hidden;
}
@media(min-width:1024px){.zone-card{padding:26px;border-radius:var(--radius-lg)}}
.zone-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--brand-500),transparent 72%);
}
.zone-card:hover{
  transform:translateY(-3px);
  border-color:rgba(47,209,180,.4);
  box-shadow:0 10px 30px rgba(0,0,0,.35),var(--glow-brand);
}
.zone-head{display:flex;align-items:flex-start;gap:12px}
.zone-num{
  flex:none;font-family:Inter,system-ui,sans-serif;
  font-size:13px;font-weight:700;color:var(--accent-500);
  letter-spacing:.1em;line-height:1.9;
}
.zone-head h3{font-size:18px;line-height:1.5}
@media(min-width:1024px){.zone-head h3{font-size:19px}}
.zone-head h3 a:hover{color:var(--brand-300)}
.zone-desc{
  margin:10px 0 16px;
  font-size:14.5px;color:var(--text-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.zone-tags{display:flex;flex-wrap:wrap;gap:8px}
.zone-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
}
.zone-time{font-size:13px;color:var(--text-500);font-family:Inter,system-ui,sans-serif}
.zone-link{font-size:13.5px;font-weight:600;color:var(--brand-300)}
.zone-link:hover{color:var(--accent-300)}
.list-more{display:flex;justify-content:center;margin-top:34px}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:44px 24px;text-align:center;
  border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.empty-ic{
  width:52px;height:52px;border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--brand-300);
  border:1px solid rgba(47,209,180,.32);
  background:rgba(47,209,180,.08);
}
.empty-state p{font-size:15px;color:var(--text-500)}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.tag-cloud a{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(18,32,52,.55);
  color:var(--text-300);font-size:12px;
  backdrop-filter:blur(8px);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag-cloud a:hover{color:var(--brand-300);border-color:rgba(47,209,180,.45);transform:translateY(-2px)}
.tag-cloud a.sz-md{font-size:14px}
.tag-cloud a.sz-lg{font-size:16px;color:var(--accent-300);border-color:rgba(240,162,75,.3)}

/* ---------- 精选推荐 ---------- */
.pick-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:900px){.pick-grid{grid-template-columns:1.18fr 1fr;align-items:start}}
.pick-lead{
  position:relative;padding:22px;
  border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  overflow:hidden;
}
.pick-lead::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--accent-500),transparent 70%);
}
.pick-cover{
  border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);margin-bottom:18px;
  background:linear-gradient(135deg,rgba(47,209,180,.14),rgba(15,29,49,.9));
}
.pick-cover img{width:100%;height:200px;object-fit:cover;border-radius:0;transition:transform .35s var(--ease)}
.pick-lead:hover .pick-cover img{transform:scale(1.03)}
.pick-lead h3{font-size:20px;margin:12px 0 10px;line-height:1.45}
.pick-lead h3 a:hover{color:var(--brand-300)}
.pick-lead > p{font-size:14.5px;color:var(--text-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.pick-side{display:flex;flex-direction:column;gap:16px}
.pick-mini{
  display:flex;gap:14px;align-items:center;
  padding:14px;
  border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.3);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pick-mini:hover{border-color:rgba(47,209,180,.4);transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.35),var(--glow-brand)}
.pick-thumb{
  flex:none;width:88px;height:66px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(47,209,180,.14),rgba(15,29,49,.9));
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.pick-mini h4{font-size:15px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-mini h4 a:hover{color:var(--brand-300)}

/* ---------- 使用指南 ---------- */
.guide-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media(min-width:900px){.guide-grid{grid-template-columns:.82fr 1.18fr;gap:36px}}
.guide-figure{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(47,209,180,.16),rgba(15,29,49,.92));
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.guide-figure img{width:100%;height:260px;object-fit:cover;border-radius:0}
.guide-steps{display:flex;flex-direction:column;gap:6px}
.guide-step{
  display:flex;gap:16px;padding:18px 0;
  border-bottom:1px solid var(--line);
}
.guide-step:last-child{border-bottom:0}
.guide-ring{
  flex:none;width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;
  color:var(--brand-300);
  border:1px solid rgba(47,209,180,.45);
  background:rgba(47,209,180,.08);
  margin-top:2px;
}
.guide-step h3{font-size:17px;margin-bottom:6px}
.guide-step p{font-size:14.5px;color:var(--text-500)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item:hover{border-color:rgba(47,209,180,.32)}
.faq-item.is-open{border-color:rgba(47,209,180,.42);background:var(--glass-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text-100);
}
.faq-ic{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-300);font-size:17px;line-height:1;
  border:1px solid rgba(47,209,180,.32);
  transition:transform .25s var(--ease),color .25s var(--ease);
}
.faq-item.is-open .faq-ic{transform:rotate(45deg);color:var(--accent-300)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:0 20px 18px;
  font-size:14.5px;color:var(--text-500);
}

/* ---------- 相关专题 ---------- */
.topic-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}}
.topic-card{
  position:relative;padding:24px;
  border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.topic-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--brand-500),transparent 72%);
}
.topic-card:hover{border-color:rgba(47,209,180,.4);transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.35),var(--glow-brand)}
.topic-card h3{font-size:18px;margin-bottom:10px}
.topic-card > p{font-size:14.5px;color:var(--text-500);margin-bottom:16px}
.topic-list{display:flex;flex-direction:column;gap:10px}
.topic-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 0;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-300);
}
.topic-list li::before{
  content:"";flex:none;width:6px;height:6px;border-radius:2px;
  background:var(--brand-500);margin-top:9px;
}
.topic-pace{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:12.5px;color:var(--accent-300);
}

/* ---------- 底部 CTA ---------- */
.cat-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:24px 26px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(112deg,rgba(47,209,180,.16),rgba(15,29,49,.7) 60%,rgba(10,20,36,.92));
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.cat-cta p{font-size:15px;color:var(--text-300)}
.cat-cta p strong{color:var(--text-100)}
.cat-cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cat-cta-actions a.back{font-size:14px;color:var(--text-500)}
.cat-cta-actions a.back:hover{color:var(--brand-300)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:52px 0 26px;
  margin-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:900px){.footer-grid{grid-template-columns:1.05fr 1.95fr;gap:48px}}
.footer-brand p{margin-top:14px;font-size:13.5px;color:var(--text-500);max-width:380px}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media(max-width:640px){.footer-cols{grid-template-columns:1fr 1fr}}
.footer-cols h3{font-size:14px;color:var(--text-100);margin-bottom:14px;letter-spacing:.04em}
.footer-cols ul{display:flex;flex-direction:column;gap:9px}
.footer-cols a{font-size:13.5px;color:var(--text-500)}
.footer-cols a:hover{color:var(--brand-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-500);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a:hover{color:var(--brand-300)}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:block}
}
@media(max-width:767px){
  .nav-actions .btn{display:none}
  .brand-text em{font-size:10px}
  .cat-hero{padding-top:28px}
}