/* roulang page: index */
:root{
  --bg-base:#05070F;
  --bg-deep:#080C18;
  --surface-glass:rgba(18,26,44,.62);
  --surface-solid:#0E1626;
  --line-soft:rgba(154,169,199,.14);
  --line-glow:rgba(20,224,168,.35);
  --primary:#2B5CFF;
  --primary-deep:#1B3AC2;
  --accent-online:#14E0A8;
  --accent-warm:#FFB02E;
  --text-1:#EAF0FF;
  --text-2:#9AA9C7;
  --text-3:#66748F;
  --danger:#FF5C7A;
  --success:#14E0A8;
  --warning:#FFB02E;
  --grad-main:linear-gradient(135deg,#1B3AC2 0%,#2B5CFF 48%,#14E0A8 130%);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-glass:0 10px 36px rgba(0,0,0,.45);
  --shadow-glow:0 8px 26px rgba(43,92,255,.38);
  --container:1200px;
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow","HarmonyOS Sans SC",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(154,169,199,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(154,169,199,.035) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
  z-index:0;
}

body::after{
  content:"";
  position:fixed;
  top:-260px;
  right:-220px;
  width:720px;
  height:720px;
  background:radial-gradient(circle,rgba(43,92,255,.20) 0%,rgba(43,92,255,0) 68%);
  pointer-events:none;
  z-index:0;
}

img{max-width:100%;display:block;border-radius:14px;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;line-height:1.26;font-weight:700;letter-spacing:.01em;}
:focus-visible{outline:2px solid var(--accent-online);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}

.section{padding:104px 0;position:relative;z-index:1;}
.section--deep{background:var(--bg-deep);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--accent-online);
  text-transform:uppercase;
  margin-bottom:14px;
  font-family:var(--font-num);
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--accent-online),rgba(20,224,168,0));
}
h2.section-title{font-size:clamp(24px,2.6vw,34px);}
.section-sub{color:var(--text-2);font-size:15.5px;margin-top:12px;margin-bottom:0;max-width:640px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background-color 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);
  color:#F4F8FF;
  box-shadow:var(--shadow-glow),inset 0 0 0 1px rgba(255,255,255,.14);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(43,92,255,.42),0 0 30px rgba(20,224,168,.34),inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line-soft);
  color:var(--text-1);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-glow);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-warm{
  background:var(--accent-warm);
  color:#20150A;
  box-shadow:0 8px 24px rgba(255,176,46,.26);
}
.btn-warm:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,176,46,.36);}
.btn-warm:active{transform:scale(.98);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--accent-online);
  border-bottom:1px solid rgba(20,224,168,.35);
  padding-bottom:2px;
  transition:color 200ms var(--ease),border-color 200ms var(--ease),gap 200ms var(--ease);
}
.text-link:hover{color:#7CF2D2;border-color:#7CF2D2;gap:10px;}

/* 标签 / 徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  letter-spacing:.06em;
  background:rgba(43,92,255,.14);
  border:1px solid rgba(43,92,255,.3);
  color:#BFD0FF;
  font-weight:500;
}
.badge-online{
  background:rgba(20,224,168,.12);
  border-color:rgba(20,224,168,.34);
  color:#8FF3DA;
}
.badge-warm{
  background:rgba(255,176,46,.14);
  border-color:rgba(255,176,46,.34);
  color:#FFD694;
}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pill{
  padding:8px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:var(--surface-glass);
  color:var(--text-2);
  font-size:13.5px;
  transition:color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.pill:hover{color:var(--text-1);border-color:var(--line-glow);transform:translateY(-2px);}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,7,15,.78);
  border-bottom:1px solid transparent;
  transition:background-color 260ms var(--ease),border-color 260ms var(--ease),backdrop-filter 260ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,15,.86);
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
  transition:height 260ms var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px;}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(150deg,rgba(43,92,255,.32),rgba(20,224,168,.18));
  border:1px solid rgba(43,92,255,.4);
  box-shadow:inset 0 0 18px rgba(20,224,168,.16);
  flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.brand-text em{
  font-style:normal;
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.16em;
  font-family:var(--font-num);
  white-space:nowrap;
}

.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  max-width:520px;
  margin:0 auto;
  padding:6px 6px 6px 18px;
  border-radius:var(--radius-pill);
  background:rgba(14,22,38,.74);
  border:1px solid var(--line-soft);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-search:focus-within{
  border-color:var(--line-glow);
  box-shadow:0 0 0 3px rgba(43,92,255,.22);
}
.nav-search svg{width:18px;height:18px;flex-shrink:0;stroke:var(--accent-online);}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--text-1);
  padding:8px 0;
}
.nav-search input::placeholder{color:var(--text-3);}
.btn-search{
  flex-shrink:0;
  height:36px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  background:var(--grad-main);
  color:#F4F8FF;
  font-size:13.5px;
  font-weight:600;
  box-shadow:0 4px 16px rgba(43,92,255,.36);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-search:hover{transform:translateY(-1px);box-shadow:0 6px 22px rgba(20,224,168,.36);}
.btn-search:active{transform:scale(.97);}

.nav-links{display:flex;align-items:center;gap:26px;flex-shrink:0;}
.nav-links a{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color 200ms var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--accent-online);
  border-radius:2px;
  transition:width 240ms var(--ease);
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--text-1);font-weight:600;}
.nav-links a.active::after{width:100%;}

.nav-tools{display:none;align-items:center;gap:6px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;
  display:grid;
  place-items:center;
  border-radius:12px;
  border:1px solid var(--line-soft);
  background:rgba(14,22,38,.7);
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.icon-btn:hover{border-color:var(--line-glow);background:rgba(20,224,168,.08);}
.icon-btn svg{width:20px;height:20px;stroke:var(--text-1);}

.mobile-layer{
  display:none;
  position:absolute;
  left:0;right:0;
  top:100%;
  background:rgba(8,12,24,.96);
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:20px 0 24px;
}
.mobile-layer.is-open{display:block;}
.mobile-search{display:flex;gap:10px;align-items:center;}
.mobile-search input{
  flex:1;
  min-width:0;
  height:46px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:rgba(14,22,38,.8);
  padding:0 18px;
  outline:0;
  font-size:14.5px;
}
.mobile-search input:focus{border-color:var(--line-glow);box-shadow:0 0 0 3px rgba(43,92,255,.2);}
.hot-words{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

.drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(5,7,15,.72);
  backdrop-filter:blur(6px);
}
.drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(360px,86vw);
  height:100%;
  background:rgba(10,16,30,.96);
  border-left:1px solid var(--line-soft);
  padding:24px 22px 32px;
  overflow-y:auto;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  animation:drawerIn 260ms var(--ease);
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:none;opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head span{font-size:13px;letter-spacing:.14em;color:var(--text-3);font-family:var(--font-num);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  padding:13px 14px;
  border-radius:var(--radius-sm);
  color:var(--text-2);
  font-size:15.5px;
  transition:background-color 200ms var(--ease),color 200ms var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(20,224,168,.08);color:var(--text-1);}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.drawer-foot{border-top:1px solid var(--line-soft);padding-top:18px;display:flex;flex-direction:column;gap:10px;}
.drawer-foot a{font-size:14px;color:var(--text-3);}
.drawer-foot a:hover{color:var(--accent-online);}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  padding:88px 0 96px;
  border-bottom:1px solid var(--line-soft);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.12;
  filter:blur(3px);
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;
  top:-180px;right:-120px;
  width:700px;height:700px;
  background:radial-gradient(circle,rgba(43,92,255,.26) 0%,rgba(43,92,255,0) 66%);
  z-index:0;
}
.hero-grid{
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:52px;
  align-items:center;
}
.hero-copy{animation:rise 420ms var(--ease) both;}
@keyframes rise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.hero h1{
  font-size:clamp(32px,4.4vw,54px);
  line-height:1.24;
  margin-bottom:18px;
  letter-spacing:.005em;
}
.hero h1 .hl{
  background:linear-gradient(120deg,#7CC4FF 0%,#14E0A8 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  color:var(--text-2);
  font-size:16.5px;
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid var(--line-soft);
  padding-top:22px;
}
.hero-stats li{
  padding:0 28px;
  border-left:1px solid var(--line-soft);
}
.hero-stats li:first-child{padding-left:0;border-left:0;}
.hero-stats strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:var(--text-1);
  line-height:1.3;
}
.hero-stats span{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}

.hero-media{
  position:relative;
  margin:0;
  border-radius:var(--radius-card);
  padding:10px;
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass),inset 0 0 0 1px rgba(255,255,255,.06);
  animation:rise 520ms var(--ease) both;
}
.hero-media img{width:100%;height:100%;aspect-ratio:6/5;object-fit:cover;border-radius:14px;}
.status-badge{
  position:absolute;
  right:22px;bottom:22px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  background:rgba(6,12,22,.82);
  border:1px solid rgba(20,224,168,.34);
  font-size:12.5px;
  color:#9FF4DE;
  backdrop-filter:blur(10px);
}
.status-badge i{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent-online);
  box-shadow:0 0 0 4px rgba(20,224,168,.18);
  animation:breathe 2.6s ease-in-out infinite;
}
@keyframes breathe{0%,100%{box-shadow:0 0 0 3px rgba(20,224,168,.16);}50%{box-shadow:0 0 0 8px rgba(20,224,168,.06);}}

/* 痛点 */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.pain-item{
  padding:26px 22px;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
  transition:transform 260ms var(--ease),border-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.pain-item:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,168,.3);
  box-shadow:var(--shadow-glass),0 0 24px rgba(20,224,168,.16);
}
.pain-icon{
  width:44px;height:44px;
  display:grid;
  place-items:center;
  border-radius:12px;
  margin-bottom:18px;
  background:linear-gradient(140deg,rgba(43,92,255,.18),rgba(20,224,168,.1));
  border:1px solid rgba(43,92,255,.34);
}
.pain-icon svg{width:22px;height:22px;stroke:var(--accent-online);fill:none;stroke-width:1.6;}
.pain-item h3{font-size:18px;margin-bottom:8px;}
.pain-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;}

/* 方案 zigzag */
.zigzag{display:flex;flex-direction:column;gap:64px;}
.zig{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.zig:nth-child(even) .zig-media{order:2;}
.zig-media{
  border-radius:var(--radius-card);
  padding:8px;
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;}
.zig-num{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.18em;
  color:var(--accent-online);
  display:block;
  margin-bottom:12px;
}
.zig-copy h3{font-size:22px;margin-bottom:12px;}
.zig-copy p{color:var(--text-2);font-size:15.5px;margin-bottom:18px;}

/* 成果 */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-bottom:36px;
}
.metric{
  padding:24px 22px;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
}
.metric strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(34px,4vw,50px);
  font-weight:700;
  line-height:1.1;
  background:linear-gradient(120deg,#EAF0FF 0%,#8EF0D6 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.metric strong em{font-style:normal;font-size:16px;color:var(--text-2);-webkit-text-fill-color:var(--text-2);margin-left:4px;}
.metric span{display:block;font-size:13.5px;color:var(--text-2);margin-top:8px;}
.bar-wrap{
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  padding:24px 26px;
  box-shadow:var(--shadow-glass);
}
.bar-top{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-2);margin-bottom:12px;}
.bar-top b{color:var(--text-1);font-family:var(--font-num);}
.bar-track{height:8px;border-radius:var(--radius-pill);background:rgba(154,169,199,.12);overflow:hidden;}
.bar-fill{
  height:100%;
  width:92%;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,#14E0A8 0%,#2B5CFF 100%);
  box-shadow:0 0 18px rgba(20,224,168,.4);
}

/* 证言 */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice{
  padding:28px 26px;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
  display:flex;
  flex-direction:column;
  transition:transform 260ms var(--ease),border-color 260ms var(--ease);
}
.voice:hover{transform:translateY(-4px);border-color:rgba(20,224,168,.28);}
.voice-mark{
  font-family:var(--font-num);
  font-size:52px;
  line-height:.6;
  color:rgba(20,224,168,.3);
  margin-bottom:16px;
}
.voice p{font-size:16px;line-height:1.8;color:var(--text-1);margin-bottom:22px;}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:40px;height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-weight:700;
  font-size:15px;
  color:#EAF0FF;
  background:linear-gradient(140deg,rgba(43,92,255,.5),rgba(20,224,168,.4));
  border:1px solid rgba(20,224,168,.4);
}
.voice-user b{display:block;font-size:14.5px;font-weight:600;}
.voice-user span{font-size:12.5px;color:var(--text-3);}
.voice-note{margin-top:24px;font-size:13px;color:var(--text-3);}

/* 资讯列表 */
.news-lg{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
  margin-bottom:24px;
  transition:transform 260ms var(--ease),border-color 260ms var(--ease);
}
.news-lg:hover{transform:translateY(-4px);border-color:rgba(20,224,168,.3);}
.news-lg .news-media{position:relative;overflow:hidden;}
.news-lg .news-media img{
  width:100%;height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
  transition:transform 300ms var(--ease);
}
.news-lg:hover .news-media img{transform:scale(1.03);}
.news-lg .news-body{padding:34px 34px 30px;display:flex;flex-direction:column;justify-content:center;}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
  transition:transform 260ms var(--ease),border-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,168,.3);
  box-shadow:var(--shadow-glass),0 0 24px rgba(20,224,168,.14);
}
.news-media{position:relative;overflow:hidden;}
.news-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  transition:transform 300ms var(--ease);
}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,0) 42%,rgba(5,7,15,.88) 100%);
  pointer-events:none;
}
.news-media .badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(6,12,22,.82);border-color:rgba(20,224,168,.32);color:#9FF4DE;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{
  font-size:17px;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-lg .news-title{font-size:clamp(19px,2vw,24px);-webkit-line-clamp:2;}
.news-sum{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
  font-family:var(--font-num);
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.news-meta .news-more{margin-left:auto;color:var(--accent-online);font-family:var(--font-cn);font-size:13px;font-weight:600;}

.empty-state{
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px dashed var(--line-soft);
  padding:56px 24px;
  text-align:center;
}
.empty-state svg{width:36px;height:36px;stroke:var(--text-3);fill:none;stroke-width:1.6;margin:0 auto 14px;}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:18px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
  transition:border-color 240ms var(--ease);
}
.faq-item[open]{border-color:rgba(20,224,168,.3);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:16px;
  color:var(--accent-online);
  letter-spacing:.06em;
  flex-shrink:0;
}
.faq-q{flex:1;}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex-shrink:0;
  transition:transform 280ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--accent-online);
  border-radius:2px;
  transition:opacity 280ms var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-a{
  padding:0 24px 22px 66px;
  border-left:2px solid var(--accent-online);
  margin-left:24px;
  padding-left:20px;
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-2);margin:0;}

/* CTA */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  padding:56px 48px;
  background:linear-gradient(135deg,rgba(27,58,194,.34) 0%,rgba(43,92,255,.18) 48%,rgba(20,224,168,.14) 130%);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-glass);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.1;
  z-index:0;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,rgba(20,224,168,0),#14E0A8 45%,rgba(20,224,168,0));
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{
  position:relative;
  background:var(--bg-deep);
  border-top:1px solid var(--line-soft);
  padding:64px 0 28px;
  z-index:1;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(20,224,168,0),rgba(20,224,168,.7) 40%,rgba(43,92,255,.6) 70%,rgba(20,224,168,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-soft);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:16px;}
.footer-brand em{
  display:block;
  font-style:normal;
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.16em;
  font-family:var(--font-num);
  margin-top:2px;
}
.footer-col p{font-size:14px;color:var(--text-2);margin:0;max-width:320px;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color 200ms var(--ease),padding-left 200ms var(--ease);}
.footer-col ul a:hover{color:var(--accent-online);padding-left:4px;}
.footer-bottom{
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom span{line-height:1.8;}

/* 响应式 */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links{gap:18px;}
  .nav-search{max-width:360px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:2;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:768px){
  .section{padding:56px 0;}
  .nav-inner{height:64px;gap:12px;}
  .nav-search,.nav-links{display:none;}
  .nav-tools{display:flex;margin-left:auto;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{display:none;}
  .hero{padding:56px 0 64px;}
  .hero-stats li{padding:0 18px;}
  .hero-stats strong{font-size:22px;}
  .zigzag{gap:40px;}
  .zig{grid-template-columns:1fr;gap:26px;}
  .zig:nth-child(even) .zig-media{order:0;}
  .news-lg{grid-template-columns:1fr;}
  .news-lg .news-body{padding:24px 22px 22px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .faq-a{padding-left:16px;margin-left:12px;}
  .faq-item summary{padding:18px 18px;font-size:15px;gap:12px;}
}

@media (max-width:520px){
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:18px 0;}
  .hero-stats li{padding:0 16px 0 0;border-left:0;}
  .pain-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .voice-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .voice{min-width:280px;scroll-snap-align:start;}
  .voice-grid::-webkit-scrollbar{display:none;}
  .pill-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;}
  .pill-row::-webkit-scrollbar{display:none;}
  .pill{white-space:nowrap;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --bg-base:#05070F;
  --bg-deep:#080C18;
  --surface-glass:rgba(18,26,44,.62);
  --surface-solid:#0E1626;
  --line-soft:rgba(154,169,199,.14);
  --line-glow:rgba(20,224,168,.35);
  --primary:#2B5CFF;
  --primary-deep:#1B3AC2;
  --accent-online:#14E0A8;
  --accent-warm:#FFB02E;
  --text-1:#EAF0FF;
  --text-2:#9AA9C7;
  --text-3:#66748F;
  --danger:#FF5C7A;
  --success:#14E0A8;
  --warning:#FFB02E;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 36px rgba(0,0,0,.45);
  --grad-main:linear-gradient(135deg,#1B3AC2 0%,#2B5CFF 48%,#14E0A8 130%);
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow","HarmonyOS Sans SC","PingFang SC",sans-serif;
  --ease:220ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(154,169,199,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(154,169,199,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
body::after{
  content:"";position:fixed;top:-24%;right:-14%;width:74vw;height:74vw;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(43,92,255,.16),rgba(43,92,255,0) 62%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:600;}
p{margin:0 0 1em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.container-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
:focus-visible{outline:2px solid var(--accent-online);outline-offset:2px;}
::selection{background:rgba(20,224,168,.28);}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.86);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,15,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line-soft);
}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(43,92,255,.3),rgba(20,224,168,.14));
  border:1px solid var(--line-soft);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text strong{display:block;font-size:15px;font-weight:600;line-height:1.34;letter-spacing:.01em;}
.brand-text em{display:block;font-style:normal;font-size:9.5px;letter-spacing:.2em;color:var(--text-3);font-family:var(--font-num);}
.nav-search{
  flex:1 1 auto;max-width:520px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-pill);
  padding:6px 6px 6px 16px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.nav-search:focus-within{border-color:var(--line-glow);box-shadow:0 0 0 3px rgba(43,92,255,.22);}
.nav-search .search-icon{color:var(--accent-online);display:grid;place-items:center;flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;line-height:1.6;padding:4px 0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{position:relative;font-size:14px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color var(--ease);}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--accent-online);transition:width var(--ease);
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--text-1);}
.nav-links a.active::after{width:100%;}
.header-actions{display:none;gap:10px;}
.icon-btn{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;cursor:pointer;
  background:var(--surface-glass);border:1px solid var(--line-soft);color:var(--text-2);
  transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--line-glow);color:var(--accent-online);box-shadow:0 0 24px rgba(20,224,168,.16);}
.icon-btn:active{transform:scale(.96);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--radius-sm);padding:12px 22px;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.btn-primary{
  background:var(--grad-main);color:#fff;
  box-shadow:0 8px 26px rgba(43,92,255,.38),inset 0 0 0 1px rgba(255,255,255,.14);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(43,92,255,.4),0 0 30px rgba(20,224,168,.34),inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;color:var(--text-1);border:1px solid var(--line-soft);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-glow);color:var(--accent-online);}
.btn-ghost:active{transform:scale(.98);}
.btn-search{padding:9px 18px;border-radius:var(--radius-pill);font-size:13px;}
.text-link{color:var(--accent-online);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:all var(--ease);}
.text-link:hover{gap:10px;text-shadow:0 0 14px rgba(20,224,168,.5);}

/* ============ MOBILE PANELS ============ */
.mobile-search{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(8,12,24,.96);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  padding:16px 0 20px;
}
.mobile-search.open{display:block;}
.mobile-search .field{
  display:flex;align-items:center;gap:10px;background:var(--surface-solid);
  border:1px solid var(--line-soft);border-radius:var(--radius-pill);padding:8px 8px 8px 16px;
}
.mobile-search .field:focus-within{border-color:var(--line-glow);box-shadow:0 0 0 3px rgba(43,92,255,.22);}
.mobile-search .field input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.hot-words{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.hot-words span{font-size:12px;color:var(--text-3);margin-right:2px;}
.hot-words a{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line-soft);border-radius:var(--radius-pill);
  padding:5px 12px;transition:all var(--ease);
}
.hot-words a:hover{color:var(--accent-online);border-color:var(--line-glow);}
.drawer{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(8,12,24,.97);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:18px 0 26px;
}
.drawer.open{display:block;}
.drawer h4{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin:16px 0 10px;font-family:var(--font-num);}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:var(--radius-sm);background:var(--surface-glass);
  border:1px solid var(--line-soft);font-size:14.5px;color:var(--text-1);margin-bottom:10px;
  transition:all var(--ease);
}
.drawer a.drawer-link:hover{border-color:var(--line-glow);color:var(--accent-online);}
.drawer-cta{display:grid;gap:10px;margin-top:14px;}

/* ============ BREADCRUMB ============ */
.crumb-bar{background:var(--bg-deep);border-bottom:1px solid var(--line-soft);position:relative;z-index:1;}
.crumbs{
  display:flex;align-items:center;gap:8px;height:48px;list-style:none;
  font-size:13px;color:var(--text-2);overflow:hidden;
}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumbs a{transition:color var(--ease);}
.crumbs a:hover{color:var(--text-1);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--text-1);max-width:360px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ============ ARTICLE ============ */
.article-head{padding:60px 0 0;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:500;
  padding:5px 12px;border-radius:var(--radius-pill);
  color:var(--accent-online);background:rgba(20,224,168,.1);
  border:1px solid rgba(20,224,168,.32);
}
.badge.warm{color:var(--accent-warm);background:rgba(255,176,46,.1);border-color:rgba(255,176,46,.32);}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  margin:18px 0 20px;
  letter-spacing:0;
  color:var(--text-1);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);font-family:var(--font-num);
}
.meta-row .dot{color:var(--text-3);}
.hairline{
  height:1px;margin:26px 0 0;
  background:linear-gradient(90deg,rgba(20,224,168,.55),rgba(43,92,255,.24),rgba(5,7,15,0));
}
.article-body{
  padding:34px 0 8px;
  font-size:17px;
  line-height:1.95;
  color:rgba(234,240,255,.92);
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.32;color:var(--text-1);
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,#14E0A8,#2B5CFF);
}
.article-body h3{font-size:20px;line-height:1.36;color:var(--text-1);margin:28px 0 12px;}
.article-body ul,.article-body ol{list-style:none;margin:0 0 1.1em;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;border-radius:2px;
  background:var(--accent-online);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:8px;counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--font-num);font-size:13px;
  color:var(--accent-online);letter-spacing:.04em;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent-online);
  background:var(--surface-glass);border-radius:var(--radius-sm);
  color:var(--text-1);font-weight:500;
}
.article-body a{color:var(--accent-online);border-bottom:1px solid rgba(20,224,168,.45);transition:all var(--ease);}
.article-body a:hover{border-bottom-color:var(--accent-online);text-shadow:0 0 12px rgba(20,224,168,.45);}
.article-body img{border-radius:14px;margin:22px auto;border-bottom:1px solid var(--line-soft);}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th{
  text-align:left;padding:10px 12px;font-size:12px;letter-spacing:.06em;
  color:var(--accent-online);border-bottom:1px solid rgba(20,224,168,.4);font-weight:600;
}
.article-body td{padding:12px;border-bottom:1px solid var(--line-soft);color:var(--text-2);}
.article-body code{
  background:rgba(43,92,255,.14);border-radius:6px;padding:2px 6px;font-size:.92em;
  font-family:var(--font-num);color:var(--text-1);
}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:30px 0 0;}
.tag-row a{
  font-size:12.5px;color:var(--text-2);padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);background:var(--surface-glass);transition:all var(--ease);
}
.tag-row a:hover{color:var(--accent-online);border-color:var(--line-glow);box-shadow:0 0 20px rgba(20,224,168,.14);}
.note{
  font-size:13px;color:var(--text-3);line-height:1.85;
  margin:18px 0 0;padding:14px 18px;border-radius:var(--radius-sm);
  border:1px dashed var(--line-soft);background:rgba(8,12,24,.5);
}
.back-cat{margin:22px 0 0;}
.empty-state{
  margin:40px 0;padding:44px 24px;text-align:center;
  border:1px solid var(--line-soft);border-radius:var(--radius-card);
  background:var(--surface-glass);box-shadow:var(--shadow-card);
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;display:grid;place-items:center;
  border:1px solid var(--line-soft);color:var(--accent-online);background:rgba(20,224,168,.08);
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:34px 0 0;}
.post-nav-card{
  display:block;padding:20px;border-radius:var(--radius-card);
  background:var(--surface-glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);transition:all var(--ease);
}
.post-nav-card:hover{transform:translateY(-3px);border-color:var(--line-glow);}
.post-nav-card span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-bottom:8px;font-family:var(--font-num);}
.post-nav-card strong{display:block;font-size:15.5px;font-weight:500;line-height:1.6;color:var(--text-1);}
.post-nav-card .arrow{display:inline-block;margin-top:12px;color:var(--accent-online);font-size:13px;}

/* ============ SECTION / CARDS ============ */
.section{padding:84px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.section-head p{color:var(--text-2);font-size:14px;margin:8px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius-card);overflow:hidden;
  background:var(--surface-glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(20,224,168,.3);box-shadow:var(--shadow-card),0 0 24px rgba(20,224,168,.16);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:14px;margin:12px 12px 0;background:var(--surface-solid);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.22,.61,.36,1);}
.card-cover::after{
  content:"";position:absolute;inset:0;border-radius:14px;
  background:linear-gradient(180deg,rgba(5,7,15,.12),rgba(5,7,15,.78));
}
.post-card:hover .card-cover img{transform:scale(1.03);}
.card-cover .badge{position:absolute;left:12px;top:12px;z-index:2;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;line-height:1.85;color:var(--text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:12.5px;color:var(--text-3);font-family:var(--font-num);
}
.card-foot .more{color:var(--accent-online);font-family:var(--font-cn);}
.post-card:hover .card-foot .more{text-shadow:0 0 12px rgba(20,224,168,.5);}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;margin-top:84px;padding:36px 0;
  border-top:1px solid var(--line-glow);
  background:linear-gradient(135deg,rgba(27,58,194,.28),rgba(14,22,38,.86) 55%,rgba(20,224,168,.16));
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-inner p{color:var(--text-2);font-size:14.5px;margin:0;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:0;padding:64px 0 28px;
  background:var(--bg-deep);
  border-top:1px solid var(--line-soft);
  position:relative;z-index:1;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(20,224,168,0),rgba(20,224,168,.7),rgba(43,92,255,.3),rgba(20,224,168,0));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{display:block;font-size:15px;font-weight:600;}
.footer-brand em{display:block;font-style:normal;font-size:9.5px;letter-spacing:.2em;color:var(--text-3);font-family:var(--font-num);}
.footer-col p{font-size:13.5px;color:var(--text-2);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--text-1);margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:13.5px;color:var(--text-2);transition:all var(--ease);}
.footer-col ul li a:hover{color:var(--accent-online);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1280px){
  .container,.container-narrow{padding:0 30px;}
}
@media (max-width:1024px){
  .container,.container-narrow{padding:0 24px;}
  .nav-search{max-width:340px;}
  .nav-links{gap:16px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .section{padding:72px 0 0;}
  .cta-band{margin-top:72px;}
}
@media (max-width:880px){
  .nav-search,.nav-links{display:none;}
  .header-actions{display:flex;margin-left:auto;}
  .article-head{padding:40px 0 0;}
  .post-nav{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:768px){
  .container,.container-narrow{padding:0 20px;}
  .header-inner{height:66px;gap:12px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand-text em{display:none;}
  .section{padding:56px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .crumbs .current{max-width:200px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .article-body{font-size:16.5px;}
}
@media (max-width:520px){
  .container,.container-narrow{padding:0 18px;}
  .brand-text strong{font-size:14px;max-width:132px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .article-head h1{font-size:clamp(24px,7vw,30px);}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .text-link{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .crumbs{height:auto;padding:12px 0;flex-wrap:wrap;}
  .crumbs .current{max-width:150px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg-base:#05070F;
  --bg-deep:#080C18;
  --surface-glass:rgba(18,26,44,.62);
  --surface-solid:#0E1626;
  --line-soft:rgba(154,169,199,.14);
  --line-glow:rgba(20,224,168,.35);
  --primary:#2B5CFF;
  --primary-deep:#1B3AC2;
  --accent-online:#14E0A8;
  --accent-warm:#FFB02E;
  --text-1:#EAF0FF;
  --text-2:#9AA9C7;
  --text-3:#66748F;
  --danger:#FF5C7A;
  --success:#14E0A8;
  --warning:#FFB02E;
  --grad-main:linear-gradient(135deg,#1B3AC2 0%,#2B5CFF 48%,#14E0A8 130%);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-card:0 10px 36px rgba(0,0,0,.45);
  --shadow-glow:0 8px 26px rgba(43,92,255,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
  background:var(--bg-base);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(154,169,199,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(154,169,199,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(760px 460px at 88% -10%,rgba(43,92,255,.20),transparent 72%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.26;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--accent-online);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:2}
.section{padding:104px 0}
.section--tight{padding:72px 0}
.section--deep{background:var(--bg-deep)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.4vw,34px)}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  color:var(--accent-online);text-transform:uppercase;font-family:var(--font-num);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--grad-main)}
.text-soft{color:var(--text-2)}
.text-dim{color:var(--text-3)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);color:#fff;
  box-shadow:var(--shadow-glow),inset 0 0 0 1px rgba(255,255,255,.14);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(43,92,255,.42),0 0 30px rgba(20,224,168,.34),inset 0 0 0 1px rgba(255,255,255,.18)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:transparent;color:var(--text-1);
  border:1px solid var(--line-soft);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(20,224,168,.42);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-warm{background:linear-gradient(135deg,#FFB02E,#FF8A2E);color:#20160A;box-shadow:0 8px 24px rgba(255,176,46,.28)}
.btn-warm:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,176,46,.36)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent-online);
  font-size:14px;font-weight:600;transition:color 220ms var(--ease),gap 220ms var(--ease);
}
.text-link:hover{color:#7CF3D2;gap:10px}
.text-link::after{content:"→"}

/* 顶栏 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.86);
  border-bottom:1px solid transparent;
  transition:background 260ms var(--ease),border-color 260ms var(--ease),backdrop-filter 260ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,15,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line-soft);
}
.nav-wrap{
  display:grid;grid-template-columns:auto minmax(260px,520px) auto;
  align-items:center;gap:24px;height:76px;
  transition:height 260ms var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(18,26,44,.72);
  border:1px solid var(--line-soft);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:16px;font-weight:700;white-space:nowrap}
.brand-text em{
  font-style:normal;font-family:var(--font-num);font-size:10px;
  letter-spacing:.14em;color:var(--text-3);text-transform:uppercase;white-space:nowrap;
}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:48px;padding:4px 4px 4px 18px;
  border-radius:var(--radius-pill);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.nav-search:focus-within{border-color:rgba(20,224,168,.45);box-shadow:0 0 0 3px rgba(43,92,255,.22)}
.nav-search .search-icon{flex:0 0 20px;color:var(--accent-online)}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text-1);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:22px;justify-self:end}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color 220ms var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent-online);transition:width 240ms var(--ease);
}
.nav-links a:hover{color:var(--text-1)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--text-1)}
.nav-links a.active::after{width:100%}
.nav-actions{display:none;align-items:center;gap:10px;justify-self:end}
.icon-btn{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line-soft);background:rgba(18,26,44,.6);color:var(--text-1);
  transition:background 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(20,224,168,.4)}
.icon-btn:active{transform:scale(.96)}

/* 移动端搜索层与抽屉 */
.mobile-search{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(8,12,24,.96);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.mobile-search.is-open{display:block}
.mobile-search .inner{padding:16px 0 20px;display:flex;flex-direction:column;gap:14px}
.mobile-search form{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 6px 0 16px;
  border-radius:var(--radius-pill);background:var(--surface-solid);border:1px solid var(--line-soft);
}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.hot-words{display:flex;flex-wrap:wrap;gap:8px}
.hot-words a{
  font-size:13px;color:var(--text-2);padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);background:rgba(18,26,44,.5);transition:all 220ms var(--ease);
}
.hot-words a:hover{color:var(--text-1);border-color:rgba(20,224,168,.4)}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:70;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .mask{position:absolute;inset:0;background:rgba(3,5,12,.68);backdrop-filter:blur(4px)}
.mobile-drawer .panel{
  position:absolute;top:0;right:0;width:min(86vw,360px);height:100%;
  background:rgba(10,15,28,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--line-soft);padding:22px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--radius-sm);font-size:15px;color:var(--text-2);
  border:1px solid transparent;transition:all 220ms var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--text-1);background:rgba(255,255,255,.06);border-color:var(--line-soft)}
.drawer-cta{display:flex;flex-direction:column;gap:10px}
.drawer-foot{border-top:1px solid var(--line-soft);padding-top:16px;display:flex;flex-direction:column;gap:8px}
.drawer-foot a{font-size:13px;color:var(--text-3)}
.drawer-foot a:hover{color:var(--text-2)}

/* 面包屑 */
.breadcrumb{background:var(--bg-deep);border-bottom:1px solid var(--line-soft)}
.breadcrumb ol{
  display:flex;align-items:center;gap:8px;height:48px;overflow:hidden;
}
.breadcrumb li{font-size:13px;color:var(--text-2);white-space:nowrap}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color 220ms var(--ease)}
.breadcrumb a:hover{color:var(--text-1)}
.breadcrumb li[aria-current]{color:var(--text-1)}

/* 分类页 Banner */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(8,12,24,.92),rgba(5,7,15,.98));
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.14;filter:blur(2px);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(154,169,199,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(154,169,199,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
.page-hero .container{
  position:relative;z-index:2;min-height:260px;
  display:flex;flex-direction:column;justify-content:center;
  padding-top:44px;padding-bottom:44px;
}
.page-hero h1{
  font-size:clamp(26px,3.6vw,42px);max-width:760px;
}
.page-hero .hero-sub{margin-top:16px;max-width:640px;color:var(--text-2);font-size:16px}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 18px;
  border-radius:var(--radius-pill);font-size:14px;color:var(--text-2);
  background:var(--surface-glass);border:1px solid var(--line-soft);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:all 220ms var(--ease);
}
.anchor-pills a:hover{color:var(--text-1);border-color:rgba(20,224,168,.45);transform:translateY(-2px);box-shadow:0 0 24px rgba(20,224,168,.16)}
.anchor-pills a .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-online);box-shadow:0 0 10px rgba(20,224,168,.8)}

/* 玻璃卡 */
.glass{
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card),inset 0 0 0 1px rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.noise{position:relative}
.noise::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:3px 3px;opacity:.5;
}

/* 三列内容卡 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.entry-card{
  display:flex;flex-direction:column;overflow:hidden;
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,168,.3);
  box-shadow:var(--shadow-card),0 0 24px rgba(20,224,168,.16),inset 0 0 0 1px rgba(255,255,255,.06);
}
.entry-card .cover{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-solid);
  border-bottom:1px solid var(--line-soft);
}
.entry-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.entry-card:hover .cover img{transform:scale(1.03)}
.entry-card .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.1),rgba(5,7,15,.72));
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(20,224,168,.12);color:var(--accent-online);border:1px solid rgba(20,224,168,.32);
}
.badge--warm{background:rgba(255,176,46,.14);color:var(--accent-warm);border-color:rgba(255,176,46,.34)}
.badge--blue{background:rgba(43,92,255,.16);color:#9BB4FF;border-color:rgba(43,92,255,.36)}
.entry-card .cover .badge{position:absolute;top:14px;left:14px;z-index:2}
.entry-card .body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.entry-card h3{font-size:20px;line-height:1.4}
.entry-card p{font-size:15px;color:var(--text-2);line-height:1.85}
.point-list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.point-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--text-2);line-height:1.75;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;
  background:var(--accent-online);box-shadow:0 0 10px rgba(20,224,168,.55);
}
.entry-card .body .text-link{margin-top:auto;padding-top:6px}

/* 进入流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.flow-item{
  padding:26px 22px;border-radius:var(--radius-card);
  background:var(--surface-solid);border:1px solid var(--line-soft);
  transition:border-color 240ms var(--ease),transform 240ms var(--ease),background 240ms var(--ease);
}
.flow-item:hover{border-color:rgba(20,224,168,.3);transform:translateY(-4px);background:#101A2C}
.flow-num{
  font-family:var(--font-num);font-size:22px;font-weight:600;
  color:transparent;-webkit-text-stroke:1px rgba(20,224,168,.75);
  letter-spacing:.04em;
}
.flow-item h3{margin-top:14px;font-size:18px}
.flow-item p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8}

/* 核对清单 */
.check-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.check-list{
  border-radius:var(--radius-card);background:var(--surface-solid);
  border:1px solid var(--line-soft);overflow:hidden;
}
.check-list li{
  display:flex;gap:14px;padding:20px 24px;border-bottom:1px solid var(--line-soft);
  transition:background 220ms var(--ease);
}
.check-list li:last-child{border-bottom:0}
.check-list li:hover{background:rgba(255,255,255,.04)}
.check-list .idx{
  font-family:var(--font-num);font-size:14px;color:var(--accent-online);
  flex:0 0 34px;padding-top:2px;letter-spacing:.05em;
}
.check-list h3{font-size:17px}
.check-list p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.8}
.note-panel{
  padding:28px;border-radius:var(--radius-card);
  background:linear-gradient(160deg,rgba(27,58,194,.22),rgba(20,224,168,.10));
  border:1px solid var(--line-soft);
}
.note-panel h3{font-size:20px}
.note-panel p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85}
.note-panel .media{
  margin-top:20px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line-soft);
  background:var(--surface-solid);
}
.note-panel .media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.mini-tags span{
  font-size:13px;color:var(--text-2);padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);background:rgba(18,26,44,.6);
}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{overflow:hidden;border-radius:var(--radius-card)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--text-1);
  transition:background 220ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.04)}
.faq-item .q-num{
  font-family:var(--font-num);font-size:15px;color:var(--accent-online);flex:0 0 28px;
}
.faq-item .q-text{flex:1}
.faq-item .q-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;color:var(--text-2);
  transition:transform 280ms var(--ease),color 220ms var(--ease);
}
.faq-item .q-icon::before,.faq-item .q-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-item .q-icon::before{left:2px;right:2px;top:10px;height:2px}
.faq-item .q-icon::after{top:2px;bottom:2px;left:10px;width:2px;transition:opacity 240ms var(--ease)}
.faq-item[open] .q-icon{color:var(--accent-online);transform:rotate(180deg)}
.faq-item[open] .q-icon::after{opacity:0}
.faq-item .answer{
  padding:0 24px 24px 68px;font-size:15px;line-height:1.85;color:var(--text-2);
  border-left:2px solid transparent;
}
.faq-item .answer p{border-left:2px solid rgba(20,224,168,.5);padding-left:14px}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line-soft);
  background:linear-gradient(140deg,rgba(27,58,194,.30),rgba(20,224,168,.12));
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.12;filter:blur(2px);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-main);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.back-home{margin-top:24px;font-size:14px;color:var(--text-2)}
.back-home a{color:var(--accent-online);font-weight:600}
.back-home a:hover{text-decoration:underline}

/* 页脚 */
.site-footer{
  position:relative;background:var(--bg-deep);border-top:1px solid var(--line-soft);
  padding:72px 0 32px;z-index:2;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-main);opacity:.8;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr .9fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:rgba(18,26,44,.7);border:1px solid var(--line-soft);
}
.footer-brand .brand-mark svg{width:20px;height:20px}
.footer-brand strong{display:block;font-size:16px}
.footer-brand em{
  font-style:normal;font-family:var(--font-num);font-size:10px;letter-spacing:.14em;
  color:var(--text-3);text-transform:uppercase;
}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color 220ms var(--ease),padding-left 220ms var(--ease)}
.footer-col ul a:hover{color:var(--text-1);padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

@media (max-width:1280px){
  .container{padding:0 32px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-wrap{grid-template-columns:auto minmax(200px,1fr) auto;gap:18px}
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-wrap{grid-template-columns:auto auto;justify-content:space-between;height:68px}
  .nav-search,.nav-links{display:none}
  .nav-actions{display:flex}
  .site-header.is-scrolled .nav-wrap{height:62px}
  .brand-text em{display:none}
  .brand-text strong{font-size:15px;max-width:180px;overflow:hidden;text-overflow:ellipsis}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .flow-grid{grid-template-columns:minmax(0,1fr)}
  .check-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero .container{min-height:0;padding-top:48px;padding-bottom:48px}
  .faq-item summary{font-size:16px;padding:18px 18px}
  .faq-item .answer{padding:0 18px 20px 46px}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand strong{font-size:15px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .page-hero h1{font-size:clamp(24px,7vw,30px)}
  .entry-card .body{padding:20px}
  .btn{width:100%}
  .cta-band .cta-actions{width:100%;flex-direction:column;align-items:stretch}
  .cta-band .cta-actions .text-link{justify-content:center}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .anchor-pills a{flex:1 1 auto;justify-content:center}
}

/* roulang page: category2 */
:root{
  --bg-base:#05070F;
  --bg-deep:#080C18;
  --surface-glass:rgba(18,26,44,0.62);
  --surface-solid:#0E1626;
  --line-soft:rgba(154,169,199,0.14);
  --line-glow:rgba(20,224,168,0.35);
  --primary:#2B5CFF;
  --primary-deep:#1B3AC2;
  --accent-online:#14E0A8;
  --accent-warm:#FFB02E;
  --text-1:#EAF0FF;
  --text-2:#9AA9C7;
  --text-3:#66748F;
  --danger:#FF5C7A;
  --success:#14E0A8;
  --warning:#FFB02E;
  --radius-card:16px;
  --radius-inner:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 36px rgba(0,0,0,0.45);
  --grad-main:linear-gradient(135deg,#1B3AC2 0%,#2B5CFF 48%,#14E0A8 130%);
  --font-sans:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow","HarmonyOS Sans SC",sans-serif;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(154,169,199,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(154,169,199,.04) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:radial-gradient(720px 460px at 88% -8%,rgba(43,92,255,.20),transparent 68%),
             radial-gradient(520px 380px at 4% 4%,rgba(20,224,168,.08),transparent 70%);
  pointer-events:none;
  z-index:0;
}
h1,h2,h3,h4{margin:0;line-height:1.26;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;border-radius:14px;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--accent-online);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
}
.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:200;
  background:var(--surface-solid);
  padding:10px 16px;
  border-radius:var(--radius-inner);
}
.skip-link:focus{left:16px;top:12px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,7,15,.74);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,12,24,.88);
  border-bottom-color:var(--line-soft);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:76px;
  transition:height .28s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:1 1 0;
  min-width:0;
}
.brand-mark{
  width:38px;
  height:38px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:var(--radius-inner);
  background:rgba(18,26,44,.72);
  border:1px solid var(--line-soft);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
  transition:box-shadow .24s var(--ease);
}
.brand-mark svg{width:22px;height:22px;}
.brand:hover .brand-mark{box-shadow:0 0 24px rgba(20,224,168,.22),inset 0 0 0 1px rgba(255,255,255,.08);}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text strong{font-size:16px;font-weight:700;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-text em{
  font-family:var(--font-num);
  font-style:normal;
  font-size:10px;
  letter-spacing:.16em;
  color:var(--text-3);
  line-height:1.4;
}
.nav-search{
  flex:0 0 clamp(260px,32vw,520px);
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 4px 4px 14px;
  border-radius:var(--radius-pill);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--line-glow);
  box-shadow:0 0 0 3px rgba(43,92,255,.22);
}
.search-icon{display:grid;place-items:center;color:var(--accent-online);flex:0 0 auto;}
.search-icon svg{width:18px;height:18px;}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:none;
  outline:none;
  font-size:14px;
  color:var(--text-1);
  padding:0 8px;
}
.nav-search input::placeholder{color:var(--text-3);}
.search-submit{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  background:var(--grad-main);
  color:#fff;
  font-size:14px;
  font-weight:600;
  box-shadow:0 8px 26px rgba(43,92,255,.38),inset 0 0 0 1px rgba(255,255,255,.14);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.search-submit:hover{transform:translateY(-1px);box-shadow:0 6px 30px rgba(20,224,168,.34),inset 0 0 0 1px rgba(255,255,255,.16);}
.search-submit:active{transform:scale(.98);}
.header-right{
  flex:1 1 0;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:22px;
  min-width:0;
}
.nav-links{display:flex;align-items:center;gap:22px;}
.nav-links a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  border-radius:2px;
  background:var(--accent-online);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text-1);}
.nav-links a.active::after{transform:scaleX(1);}
.header-tools{display:none;align-items:center;gap:10px;}
.icon-btn{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:var(--radius-inner);
  background:rgba(18,26,44,.7);
  border:1px solid var(--line-soft);
  color:var(--text-2);
  transition:color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{color:var(--text-1);box-shadow:0 0 20px rgba(20,224,168,.18);}
.icon-btn:active{transform:scale(.96);}
.mobile-search{
  border-top:1px solid var(--line-soft);
  background:rgba(8,12,24,.95);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:16px 0 18px;
}
.mobile-search[hidden]{display:none;}
.mobile-search-form{
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 4px 4px 14px;
  border-radius:var(--radius-pill);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
}
.mobile-search-form input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:none;
  outline:none;
  padding:0 8px;
  font-size:14px;
  color:var(--text-1);
}
.mobile-search-form input::placeholder{color:var(--text-3);}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--text-3);}
.hot-tags a{
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:rgba(18,26,44,.55);
  font-size:13px;
  color:var(--text-2);
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.hot-tags a:hover{color:var(--text-1);border-color:var(--line-glow);}
.mobile-drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(320px,86vw);
  z-index:120;
  background:rgba(8,12,24,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line-soft);
  padding:24px 22px 32px;
  transform:translateX(100%);
  opacity:0;
  visibility:hidden;
  transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head span{font-size:13px;letter-spacing:.1em;color:var(--text-3);}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.drawer-links a{
  padding:13px 12px;
  border-radius:var(--radius-inner);
  font-size:15px;
  color:var(--text-2);
  border-left:2px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.drawer-links a.active{color:var(--text-1);border-left-color:var(--accent-online);background:rgba(20,224,168,.06);}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.drawer-foot{border-top:1px solid var(--line-soft);padding-top:16px;display:flex;flex-direction:column;gap:10px;}
.drawer-foot a{font-size:13px;color:var(--text-3);transition:color .22s var(--ease);}
.drawer-foot a:hover{color:var(--accent-online);}
.overlay-mask{
  position:fixed;
  inset:0;
  background:rgba(3,5,10,.6);
  backdrop-filter:blur(2px);
  z-index:110;
  opacity:0;
  visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s;
}
.overlay-mask.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  border-radius:var(--radius-inner);
  font-size:15px;
  font-weight:600;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:var(--grad-main);
  color:#fff;
  box-shadow:0 8px 26px rgba(43,92,255,.38),inset 0 0 0 1px rgba(255,255,255,.14);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(20,224,168,.34),inset 0 0 0 1px rgba(255,255,255,.18);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  border:1px solid var(--line-soft);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-glow);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-warm{
  background:linear-gradient(135deg,#FFB02E 0%,#FF8A3D 100%);
  color:#1A1206;
  box-shadow:0 8px 24px rgba(255,176,46,.26),inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn-warm:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,176,46,.34);}
.btn-warm:active{transform:scale(.98);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--accent-online);
  border-bottom:1px solid rgba(20,224,168,.35);
  padding-bottom:2px;
  transition:color .22s var(--ease),border-color .22s var(--ease),text-shadow .22s var(--ease);
}
.text-link:hover{color:#7CF3D6;border-color:#7CF3D6;text-shadow:0 0 12px rgba(20,224,168,.4);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  position:relative;
  z-index:2;
  border-bottom:1px solid var(--line-soft);
  background:rgba(8,12,24,.5);
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  font-size:13px;
  color:var(--text-2);
  overflow:hidden;
}
.breadcrumb li{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.breadcrumb a{color:var(--text-2);transition:color .22s var(--ease);}
.breadcrumb a:hover{color:var(--text-1);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb [aria-current="page"]{color:var(--text-1);max-width:60vw;overflow:hidden;text-overflow:ellipsis;}

/* ============ 分类页头 ============ */
main{position:relative;z-index:2;}
.cat-hero{
  position:relative;
  padding:64px 0 56px;
  background-image:
    linear-gradient(90deg,rgba(5,7,15,.94) 0%,rgba(5,7,15,.82) 46%,rgba(5,7,15,.92) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,168,.55),transparent);
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(240px,.85fr);
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--accent-online);
  border:1px solid rgba(20,224,168,.3);
  background:rgba(20,224,168,.06);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.26;
  margin-bottom:16px;
}
.cat-hero h1 .hl{
  background:linear-gradient(120deg,#7CF3D6,#2B5CFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero-text > p{
  font-size:16px;
  color:var(--text-2);
  max-width:56ch;
  margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card),inset 0 0 0 1px rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:22px 24px;
}
.metric{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:14px 0;
  border-bottom:1px solid var(--line-soft);
}
.metric:last-child{border-bottom:none;padding-bottom:4px;}
.metric:first-child{padding-top:4px;}
.metric .num{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:600;
  line-height:1;
  color:var(--accent-online);
}
.metric .unit{font-size:13px;color:var(--text-3);}
.metric p{
  margin:0 0 0 auto;
  font-size:13px;
  color:var(--text-2);
  text-align:right;
}
.hero-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:6px;
  font-size:12px;
  color:var(--accent-warm);
  background:rgba(255,176,46,.1);
  border:1px solid rgba(255,176,46,.28);
  border-radius:var(--radius-pill);
  padding:5px 12px;
}

/* ============ 主体：索引 + 纵向列表 ============ */
.cat-body{padding:72px 0 84px;}
.cat-body-grid{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.side-index{position:sticky;top:104px;}
.side-title{
  font-size:13px;
  letter-spacing:.16em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:16px;
}
.index-list{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.index-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:10px;
  border-left:2px solid transparent;
  font-size:14px;
  color:var(--text-2);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.index-list a .idx{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--text-3);
  transition:color .22s var(--ease);
}
.index-list a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.index-list a.is-active{
  color:var(--text-1);
  border-left-color:var(--accent-online);
  background:rgba(20,224,168,.07);
}
.index-list a.is-active .idx{color:var(--accent-online);}
.side-note{
  font-size:13px;
  line-height:1.8;
  color:var(--text-3);
  padding-left:12px;
  border-left:2px solid var(--line-soft);
  margin-bottom:22px;
}
.side-figure{
  background:rgba(8,12,24,.8);
  border:1px solid var(--line-soft);
  border-radius:14px;
  padding:8px;
  box-shadow:var(--shadow-card);
}
.side-figure img{width:100%;border-radius:10px;}
.scene-list{border-top:1px solid var(--line-soft);}
.scene-item{
  display:flex;
  gap:22px;
  padding:28px 20px;
  border-bottom:1px solid var(--line-soft);
  scroll-margin-top:110px;
  transition:background .22s var(--ease);
}
.scene-item:hover{background:rgba(255,255,255,.04);}
.scene-num{
  flex:0 0 44px;
  font-family:var(--font-num);
  font-size:16px;
  font-weight:600;
  color:var(--accent-online);
  line-height:1.5;
}
.scene-main{min-width:0;}
.scene-main h3{
  font-size:20px;
  margin-bottom:10px;
  transition:color .22s var(--ease);
}
.scene-item:hover .scene-main h3{color:#CFE6FF;}
.scene-main p{
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  margin-bottom:14px;
  max-width:70ch;
}
.scene-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.06em;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  color:#9FE8FF;
  background:rgba(43,92,255,.14);
  border:1px solid rgba(43,92,255,.34);
}
.badge.online{
  color:#7CF3D6;
  background:rgba(20,224,168,.1);
  border-color:rgba(20,224,168,.3);
}
.meta-time{font-family:var(--font-num);letter-spacing:.02em;}
.scene-meta .text-link{margin-left:auto;}

/* ============ FAQ ============ */
.faq-section{
  padding:0 0 84px;
}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.section-head p{font-size:15px;color:var(--text-2);}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card),inset 0 0 0 1px rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(20,224,168,.28);box-shadow:0 12px 34px rgba(0,0,0,.5),0 0 22px rgba(20,224,168,.12);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-family:var(--font-num);
  font-size:14px;
  color:var(--accent-online);
  flex:0 0 auto;
}
.faq-q{font-size:17px;font-weight:600;flex:1 1 auto;}
.faq-icon{
  position:relative;
  flex:0 0 22px;
  width:22px;
  height:22px;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--accent-online);
  border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:opacity .28s var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-a{
  padding:0 24px 22px 64px;
  border-left:0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-a p{border-left:2px solid var(--accent-online);padding-left:16px;}

/* ============ 底部 CTA ============ */
.cta-strip{
  position:relative;
  margin-bottom:84px;
}
.cta-inner{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:28px;
  padding:36px 40px;
  border-radius:var(--radius-card);
  border:1px solid var(--line-soft);
  background-image:
    linear-gradient(110deg,rgba(14,22,38,.94) 0%,rgba(12,20,38,.86) 55%,rgba(9,16,32,.94) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-card),inset 0 0 0 1px rgba(255,255,255,.05);
  overflow:hidden;
}
.cta-inner::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,168,.7),transparent);
}
.cta-text{flex:1 1 380px;min-width:0;}
.cta-text h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-text p{font-size:15px;color:var(--text-2);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:2;
  background:var(--bg-deep);
  border-top:1px solid var(--line-soft);
  padding:56px 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,168,.5),rgba(43,92,255,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line-soft);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:36px;height:36px;}
.footer-brand strong{display:block;font-size:15px;line-height:1.4;}
.footer-brand em{
  display:block;
  font-family:var(--font-num);
  font-style:normal;
  font-size:10px;
  letter-spacing:.14em;
  color:var(--text-3);
}
.footer-col p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:42ch;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .22s var(--ease),padding-left .22s var(--ease);}
.footer-col ul a:hover{color:var(--accent-online);padding-left:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:20px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px;}
}
@media (max-width:1024px){
  .nav-search{flex:0 0 clamp(220px,26vw,360px);}
  .nav-links{gap:16px;}
  .cat-body-grid{grid-template-columns:200px minmax(0,1fr);gap:32px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:30px;}
  .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
  .metric{border-bottom:none;border-right:1px solid var(--line-soft);padding:6px 0;flex-direction:column;align-items:flex-start;gap:4px;}
  .metric:last-child{border-right:none;}
  .metric p{margin:0;text-align:left;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .nav-search,.nav-links{display:none;}
  .header-tools{display:flex;}
  .brand{flex:0 1 auto;}
  .header-right{flex:0 0 auto;margin-left:auto;}
  .cat-hero{padding:48px 0 42px;}
  .cat-body{padding:52px 0 60px;}
  .cat-body-grid{grid-template-columns:1fr;gap:26px;}
  .side-index{position:static;}
  .index-list{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:6px;}
  .index-list::-webkit-scrollbar{display:none;}
  .index-list{-ms-overflow-style:none;scrollbar-width:none;}
  .index-list a{
    border-left:none;
    border:1px solid var(--line-soft);
    border-radius:var(--radius-pill);
    padding:9px 16px;
    white-space:nowrap;
    background:rgba(18,26,44,.5);
  }
  .index-list a.is-active{border-color:var(--line-glow);}
  .side-figure{display:none;}
  .hero-metrics{grid-template-columns:1fr;gap:0;}
  .metric{flex-direction:row;align-items:baseline;border-right:none;border-bottom:1px solid var(--line-soft);padding:12px 0;}
  .metric p{margin-left:auto;text-align:right;}
  .faq-a{padding:0 20px 20px 20px;}
  .cta-inner{padding:28px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-col:first-child{grid-column:1 / -1;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{display:none;}
  .cat-hero h1{font-size:clamp(24px,7vw,30px);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .scene-item{flex-direction:column;gap:10px;padding:24px 2px;}
  .scene-num{flex:0 0 auto;}
  .scene-meta .text-link{margin-left:0;}
  .faq-q{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}