/* roulang page: index */
/* ==================== 设计变量 ==================== */
:root{
  --bg-0:#05070F;
  --bg-1:#0A0E1C;
  --bg-2:#121A2E;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --brand:#3DE1FF;
  --brand-2:#7A5CFF;
  --spark:#FF3D8B;
  --ok:#35E0A1;
  --text:#E9EEF8;
  --text-2:#9AA6C0;
  --text-3:#66708C;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.11);
  --r-sm:10px;
  --r-md:12px;
  --r-card:16px;
  --r-card-lg:20px;
  --r-pill:999px;
  --inset-hi:inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-1:0 10px 30px rgba(0,0,0,.38);
  --shadow-2:0 18px 48px rgba(0,0,0,.50);
  --glow:0 0 0 1px rgba(61,225,255,.30), 0 10px 30px rgba(61,225,255,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text);
  --bs-primary:var(--brand);
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:#8AEBFF;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ==================== 基础 reset ==================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100%;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s var(--ease);}
a:hover{color:#8AEBFF;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(61,225,255,.28);color:#04121A;}
.num,.stat-num,.float-chip strong,.meter-bar span{font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ==================== 背景层 ==================== */
.bg-layer{position:fixed;inset:0;pointer-events:none;z-index:0;}
.bg-aurora{
  background:
    radial-gradient(900px 620px at 6% -8%, rgba(61,225,255,.12), transparent 62%),
    radial-gradient(760px 560px at 102% 4%, rgba(122,92,255,.12), transparent 60%);
}
.bg-stars{
  opacity:.5;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.16) 1px, transparent 1.2px),
    radial-gradient(circle, rgba(255,255,255,.10) 1px, transparent 1.2px);
  background-size:56px 56px, 96px 96px;
  background-position:0 0, 28px 40px;
}
header,main,footer{position:relative;z-index:1;}

/* ==================== 容器 ==================== */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ==================== 悬浮胶囊导航 ==================== */
.capsule-nav{
  position:sticky;
  top:16px;
  z-index:120;
  margin:18px auto 0;
  max-width:1248px;
  padding:0 24px;
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
  padding:0 12px 0 22px;
  border-radius:var(--r-pill);
  background:rgba(10,14,28,.72);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(20px) saturate(120%);
  -webkit-backdrop-filter:blur(20px) saturate(120%);
  box-shadow:var(--inset-hi);
  transition:height .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.capsule-nav.is-scrolled .nav-shell{
  height:54px;
  background:rgba(10,14,28,.88);
  box-shadow:var(--inset-hi),var(--shadow-1);
}
.brand{display:flex;flex-direction:column;justify-content:center;gap:1px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-main{font-size:16px;font-weight:750;letter-spacing:.01em;white-space:nowrap;line-height:1.3;}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--text-3);line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-links a.active{color:var(--brand);background:rgba(61,225,255,.12);}
.nav-cta{margin-left:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  align-items:center;justify-content:center;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(5,7,15,.72);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:min(360px,86vw);
  background:linear-gradient(180deg,#0A0E1C,#05070F);
  border-left:1px solid var(--glass-line);
  padding:26px 22px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);
  transition:transform .34s var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-head span{font-size:15px;font-weight:700;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  color:var(--text);cursor:pointer;
  display:grid;place-items:center;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-link{
  display:block;
  padding:15px 6px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--line-soft);
}
.drawer-link:hover{color:var(--brand);}
.drawer-link.active{color:var(--brand);}
.drawer-note{margin-top:auto;padding-top:20px;font-size:12.5px;color:var(--text-3);line-height:1.7;}

/* ==================== 按钮 ==================== */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:650;line-height:1.2;
  letter-spacing:.01em;
  cursor:pointer;
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.btn-brand{
  background:linear-gradient(135deg,#3DE1FF 0%,#46B8FF 100%);
  color:#04121A;
  box-shadow:0 8px 22px rgba(61,225,255,.22);
}
.btn-brand:hover{color:#04121A;transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 10px 30px rgba(61,225,255,.34);}
.btn-brand:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(61,225,255,.22);}
.btn-ghost{
  background:rgba(255,255,255,.055);
  border-color:var(--glass-line);
  color:var(--text);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--r-pill);}
.btn-block{width:100%;}

/* ==================== 徽章 / 标签 ==================== */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-brand{background:rgba(61,225,255,.12);color:var(--brand);}
.badge-violet{background:rgba(122,92,255,.16);color:#A99BFF;}
.badge-muted{background:rgba(255,255,255,.07);color:var(--text-2);}
.badge-spark{background:rgba(255,61,139,.14);color:#FF7FB5;}
.badge-ok{background:rgba(53,224,161,.13);color:var(--ok);}

/* ==================== 板块与标题 ==================== */
.section{padding:80px 0;position:relative;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  font-weight:650;
  letter-spacing:-.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.34em;
  width:3px;height:20px;border-radius:3px;
  background:linear-gradient(180deg,#3DE1FF,#7A5CFF);
}
.section-desc{margin-top:10px;padding-left:16px;font-size:15px;color:var(--text-2);max-width:640px;line-height:1.8;}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--brand);
  padding-bottom:3px;
  border-bottom:1px solid rgba(61,225,255,.35);
  white-space:nowrap;
}
.link-more:hover{border-color:var(--brand);color:#8AEBFF;}

/* ==================== 首屏 Hero ==================== */
.hero{padding:58px 0 78px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(61,225,255,.10);
  border:1px solid rgba(61,225,255,.22);
  color:var(--brand);
  font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,48px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:16.5px;color:var(--text-2);line-height:1.85;max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--text-3);}
.hero-points li{display:flex;align-items:center;gap:7px;}
.hero-points i{color:var(--brand);font-size:11px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--r-card-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-2);
}
.hero-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.10) 0%,rgba(5,7,15,.74) 100%);
}
.float-chip{
  position:absolute;z-index:2;
  display:flex;align-items:center;gap:9px;
  padding:10px 14px;
  border-radius:14px;
  background:rgba(10,14,28,.82);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-1);
  font-size:12.5px;color:var(--text-2);
  white-space:nowrap;
}
.float-chip strong{font-size:16px;font-weight:750;color:var(--text);}
.chip-1{top:-16px;right:-8px;}
.chip-2{bottom:52px;left:-22px;}
.chip-3{bottom:-16px;right:28px;}

/* ==================== 指标看板 ==================== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  position:relative;
  padding:24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--inset-hi);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.stat-card:hover{border-color:rgba(61,225,255,.32);box-shadow:var(--inset-hi),var(--glow);}
.stat-trend{position:absolute;top:18px;right:18px;}
.stat-label{font-size:13px;color:var(--text-3);letter-spacing:.04em;}
.stat-value{display:flex;align-items:baseline;gap:6px;margin:14px 0 8px;}
.stat-num{font-size:clamp(36px,4.4vw,52px);font-weight:700;line-height:1;color:var(--brand);}
.stat-unit{font-size:13px;color:var(--text-3);}
.stat-note{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.stat-card.is-ok .stat-num{color:var(--ok);}

/* ==================== 服务矩阵 Bento ==================== */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.b-card{
  position:relative;
  display:flex;flex-direction:column;
  padding:24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--inset-hi);
  overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.b-card:hover{transform:translateY(-3px);border-color:rgba(61,225,255,.34);box-shadow:var(--inset-hi),var(--glow);}
.b-large{
  grid-column:span 2;
  grid-row:span 2;
  padding:0;
  justify-content:flex-end;
  min-height:420px;
}
.b-large-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.44;}
.b-large::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,28,.20) 0%,rgba(6,8,18,.94) 76%);
}
.b-large-body{position:relative;z-index:2;padding:30px;}
.b-large-body h3{font-size:23px;font-weight:650;margin:14px 0 10px;}
.b-large-body p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:440px;margin-bottom:18px;}
.b-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(61,225,255,.10);
  border:1px solid rgba(61,225,255,.26);
  color:var(--brand);
  font-size:16px;
  margin-bottom:18px;
}
.b-card h3{font-size:19px;font-weight:600;margin-bottom:10px;line-height:1.4;}
.b-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.arrow-link{display:inline-flex;align-items:center;gap:8px;margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);}
.arrow-link i{transition:transform .24s var(--ease);}
.b-card:hover .arrow-link i,
.b-large:hover .arrow-link i{transform:translateX(4px);}

/* ==================== 最新信息（CMS 列表） ==================== */
.news-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:22px;}
.news-main{
  display:flex;flex-direction:column;
  border-radius:var(--r-card-lg);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--inset-hi);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.news-main:hover{transform:translateY(-2px);border-color:rgba(61,225,255,.34);box-shadow:var(--inset-hi),var(--glow);}
.news-main-figure{overflow:hidden;border-bottom:1px solid var(--line-soft);}
.news-main-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.news-main:hover .news-main-figure img{transform:scale(1.03);}
.news-main-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.news-main h3{font-size:21px;font-weight:650;line-height:1.45;margin:12px 0 10px;transition:color .24s var(--ease);}
.news-main h3 a{color:inherit;}
.news-main:hover h3{color:var(--brand);}
.news-main p{
  font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--text-3);}
.news-side{display:grid;gap:20px;align-content:start;}
.mini-card{
  display:grid;grid-template-columns:88px 1fr;gap:16px;
  padding:16px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--inset-hi);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(61,225,255,.34);box-shadow:var(--inset-hi),var(--glow);}
.mini-figure{display:block;border-radius:10px;overflow:hidden;}
.mini-figure img{width:88px;height:64px;object-fit:cover;border-radius:10px;transition:transform .4s var(--ease);}
.mini-card:hover .mini-figure img{transform:scale(1.05);}
.mini-body{display:flex;flex-direction:column;gap:6px;min-width:0;}
.mini-card h4{font-size:15px;font-weight:600;line-height:1.5;transition:color .24s var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card h4 a{color:inherit;}
.mini-card:hover h4{color:var(--brand);}
.mini-time{font-size:12.5px;color:var(--text-3);}
.empty-state{
  grid-column:1 / -1;
  padding:52px 24px;
  text-align:center;
  border-radius:var(--r-card);
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(255,255,255,.02);
  color:var(--text-2);
}
.empty-state strong{display:block;font-size:17px;color:var(--text);font-weight:650;margin-bottom:8px;}
.empty-state p{font-size:14px;margin-bottom:18px;}
.empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ==================== 结果对比 ==================== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-card{
  padding:26px;
  border-radius:var(--r-card-lg);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--inset-hi);
}
.compare-card.is-after{
  border-color:rgba(61,225,255,.30);
  box-shadow:var(--inset-hi),0 0 0 1px rgba(61,225,255,.16),0 18px 40px rgba(61,225,255,.10);
}
.compare-card h3{font-size:19px;font-weight:600;margin:14px 0 16px;line-height:1.45;}
.compare-list li{
  display:flex;gap:10px;
  padding:12px 0;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
  border-bottom:1px dashed var(--line-soft);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.compare-list i{margin-top:7px;font-size:11px;color:var(--text-3);flex:0 0 auto;}
.compare-card.is-after .compare-list i{color:var(--ok);}
.compare-meter{margin-top:34px;display:grid;gap:20px;}
.meter-row{display:grid;grid-template-columns:130px 1fr;gap:18px;align-items:center;}
.meter-name{font-size:14px;color:var(--text-2);}
.meter-bars{display:grid;gap:8px;}
.meter-bar{position:relative;height:32px;border-radius:8px;background:rgba(255,255,255,.05);overflow:hidden;}
.meter-bar span{
  position:absolute;top:0;bottom:0;left:0;
  display:flex;align-items:center;
  padding:0 12px;
  border-radius:8px;
  font-size:12.5px;font-weight:650;
  white-space:nowrap;
}
.meter-bar.before span{width:82%;min-width:118px;background:linear-gradient(90deg,rgba(255,61,139,.30),rgba(255,61,139,.10));color:#FF9BC5;}
.meter-bar.after span{width:34%;min-width:118px;background:linear-gradient(90deg,rgba(53,224,161,.34),rgba(53,224,161,.10));color:#7CF0C8;}

/* ==================== FAQ ==================== */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  overflow:hidden;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--brand);opacity:0;
  transition:opacity .28s var(--ease);
}
.faq-item.is-open{border-color:rgba(61,225,255,.32);background:rgba(61,225,255,.05);}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;
  padding:18px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;
}
.faq-q:hover{color:var(--brand);}
.faq-sign{position:relative;width:18px;height:18px;flex:0 0 18px;color:var(--brand);}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.faq-sign::before{left:0;top:8px;width:18px;height:2px;}
.faq-sign::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ==================== 转化表单 ==================== */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;
  padding:40px;
  border-radius:var(--r-card-lg);
  background:linear-gradient(140deg,rgba(61,225,255,.07),rgba(122,92,255,.07) 46%,rgba(255,255,255,.03));
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--inset-hi);
}
.cta-copy h2{font-size:clamp(22px,2.6vw,28px);font-weight:650;line-height:1.35;margin:16px 0 12px;}
.cta-copy p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:20px;max-width:440px;}
.cta-points{display:grid;gap:11px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.cta-points i{color:var(--ok);font-size:13px;margin-top:6px;}
.form-panel{
  padding:26px;
  border-radius:var(--r-card);
  background:rgba(10,14,28,.55);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--inset-hi);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14.5px;
  line-height:1.6;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(255,255,255,.06);
  box-shadow:0 0 0 4px rgba(61,225,255,.16);
}
.field textarea{min-height:104px;resize:vertical;}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:
    linear-gradient(45deg,transparent 50%,#9AA6C0 50%),
    linear-gradient(135deg,#9AA6C0 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ==================== 页脚 ==================== */
.site-footer{
  padding:66px 0 28px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}
.footer-title{font-size:16px;font-weight:700;margin-bottom:14px;letter-spacing:.01em;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px;}
.footer-col h4{font-size:14px;font-weight:650;margin-bottom:14px;letter-spacing:.02em;color:var(--text);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-note{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:300px;}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ==================== 入场动效 ==================== */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .34s var(--ease),transform .34s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ==================== 响应式 ==================== */
@media (max-width:1199px){
  .wrap,.capsule-nav{padding-left:20px;padding-right:20px;}
  .hero-grid{gap:38px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .bento{grid-template-columns:repeat(2,1fr);}
  .b-large{grid-column:span 2;grid-row:auto;min-height:340px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{max-width:720px;}
  .chip-2{left:-8px;}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .hero{padding:44px 0 64px;}
  .news-grid{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:28px;gap:26px;}
  .chip-3{right:10px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .stat-card{padding:18px;}
  .stat-trend{top:14px;right:14px;}
  .bento{grid-template-columns:1fr;}
  .b-large{grid-column:span 1;min-height:300px;}
  .b-large-body{padding:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .hero-points{font-size:13px;gap:8px 16px;}
  .float-chip{padding:8px 11px;font-size:11.5px;}
  .float-chip strong{font-size:14px;}
  .chip-1{top:-12px;right:0;}
  .chip-2{bottom:34px;left:0;}
  .chip-3{bottom:-12px;right:6px;}
  .meter-row{grid-template-columns:1fr;gap:8px;}
  .compare-card{padding:20px;}
  .cta-panel{padding:22px;}
  .form-panel{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .news-main-body{padding:20px;}
  .mini-card{grid-template-columns:76px 1fr;gap:13px;}
  .mini-figure img{width:76px;height:58px;}
}
@media (max-width:520px){
  .wrap,.capsule-nav{padding-left:16px;padding-right:16px;}
  .brand-main{font-size:15px;}
  .brand-sub{letter-spacing:.12em;}
  .nav-shell{padding:0 10px 0 16px;gap:10px;}
  .stat-grid{grid-template-columns:1fr;}
  .hero-eyebrow{font-size:12px;padding:5px 11px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070F;
  --bg-1:#0A0E1C;
  --bg-2:#121A2E;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.11);
  --brand:#3DE1FF;
  --brand-2:#7A5CFF;
  --spark:#FF3D8B;
  --ok:#35E0A1;
  --text:#E9EEF8;
  --text-2:#9AA6C0;
  --text-3:#66708C;
  --r-card:16px;
  --r-card-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 10px 30px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(61,225,255,.30),0 10px 30px rgba(61,225,255,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gutter:24px;
  --num-font:"Inter","DIN Alternate","SF Pro Display",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(720px 520px at 8% 2%,rgba(61,225,255,.08),transparent 62%),
    radial-gradient(760px 540px at 96% 86%,rgba(122,92,255,.07),transparent 64%),
    var(--bg-0);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.24;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:46px 46px;
}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7AEBFF}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:650;letter-spacing:-.01em}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}

/* ---------- capsule nav ---------- */
.capsule-nav{
  position:sticky;
  top:16px;
  z-index:1030;
  padding:0 var(--gutter);
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  height:64px;
  padding:0 14px 0 20px;
  display:flex;
  align-items:center;
  gap:18px;
  border-radius:var(--r-pill);
  background:rgba(10,14,28,.72);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(20px) saturate(120%);
  -webkit-backdrop-filter:blur(20px) saturate(120%);
  box-shadow:var(--shadow-1);
  transition:height .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.capsule-nav.shrink .nav-shell{
  height:54px;
  box-shadow:0 14px 34px rgba(0,0,0,.5);
  background:rgba(10,14,28,.86);
}
.brand{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.15;
  flex:0 0 auto;
  color:var(--text);
}
.brand:hover{color:var(--text)}
.brand-main{
  font-size:16px;
  font-weight:700;
  letter-spacing:-.02em;
  background:linear-gradient(100deg,#E9EEF8 4%,#3DE1FF 92%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.brand-sub{
  font-size:11px;
  color:var(--text-3);
  letter-spacing:.12em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 15px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{
  color:var(--brand);
  background:rgba(61,225,255,.12);
  box-shadow:inset 0 0 0 1px rgba(61,225,255,.22);
}
.nav-cta{flex:0 0 auto}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border:0;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#3DE1FF,#46B8FF);
  color:#04121A;
  font-weight:650;
  font-size:15px;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-brand:hover{color:#04121A;transform:translateY(-1px);filter:brightness(1.08);box-shadow:var(--glow)}
.btn-brand:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(61,225,255,.25)}
.btn-brand:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--r-pill)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--text);
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.btn-ghost:hover{border-color:rgba(61,225,255,.5);color:var(--brand);background:rgba(61,225,255,.07)}
.btn-ghost:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--text);
  cursor:pointer;
  margin-left:auto;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(61,225,255,.45)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:1040;
  background:rgba(5,7,15,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:28px var(--gutter);
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s var(--ease);
}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer-close{
  align-self:flex-end;
  width:44px;
  height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(61,225,255,.45)}
.drawer-links{margin-top:36px;display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  display:block;
  padding:16px 6px;
  font-size:20px;
  font-weight:600;
  color:var(--text-2);
  text-align:right;
  border-bottom:1px solid var(--line);
}
.drawer-links a.active,.drawer-links a:hover{color:var(--brand)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:70px 0 56px;
  margin-top:-80px;
  padding-top:150px;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.page-hero .hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.62) 0%,rgba(5,7,15,.88) 58%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:1;max-width:820px}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--brand);
  background:rgba(61,225,255,.12);
  box-shadow:inset 0 0 0 1px rgba(61,225,255,.24);
}
.badge-pill.violet{color:#B7A6FF;background:rgba(122,92,255,.14);box-shadow:inset 0 0 0 1px rgba(122,92,255,.28)}
.page-hero h1{
  margin:20px 0 18px;
  font-size:clamp(30px,4.6vw,46px);
  line-height:1.2;
  font-weight:700;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#3DE1FF,#7A5CFF);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{
  font-size:clamp(15.5px,1.4vw,17px);
  color:var(--text-2);
  margin:0 0 28px;
  max-width:720px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- status strip ---------- */
.status-strip{
  position:relative;
  z-index:1;
  margin-top:44px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-card);
  border:1px solid var(--glass-line);
  background:rgba(10,14,28,.74);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.status-cell{
  padding:18px 22px;
  border-right:1px solid var(--line);
}
.status-cell:last-child{border-right:0}
.st-label{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.03em;
}
.dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(53,224,161,.16);
  animation:pulse 2.2s var(--ease) infinite;
}
.dot.cyan{background:var(--brand);box-shadow:0 0 0 4px rgba(61,225,255,.16)}
.dot.pink{background:var(--spark);box-shadow:0 0 0 4px rgba(255,61,139,.16)}
@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.45}
}
.st-val{
  display:block;
  margin-top:8px;
  font-family:var(--num-font);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text);
}
.st-val.ok{color:var(--ok)}
.st-val.cyan{color:var(--brand)}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section.alt{background:var(--bg-1)}
.section-head{max-width:760px;margin-bottom:40px}
.sec-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,3vw,30px);
  font-weight:650;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:3px;
  height:20px;
  border-radius:2px;
  background:linear-gradient(180deg,#3DE1FF,#7A5CFF);
}
.sec-desc{margin:14px 0 0;color:var(--text-2);font-size:15.5px}

/* ---------- split rows ---------- */
.split-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.split-row + .split-row{margin-top:64px}
.split-row.reverse .split-media{order:2}
.split-media{
  position:relative;
  border-radius:var(--r-card-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  aspect-ratio:16/10;
  box-shadow:var(--shadow-1);
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(61,225,255,.14),transparent 58%);
  pointer-events:none;
}
.split-media:hover img{transform:scale(1.03)}
.split-copy h3{
  font-size:clamp(19px,2.1vw,23px);
  margin-bottom:14px;
}
.split-copy p{margin:0 0 14px;color:var(--text-2);font-size:15.5px}
.mini-points{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.mini-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
}
.mini-points i{
  color:var(--brand);
  font-size:13px;
  margin-top:6px;
}
.mini-points strong{color:var(--text);font-weight:600}

/* ---------- numbered list ---------- */
.num-list{border-top:1px solid var(--line)}
.num-item{
  display:flex;
  gap:26px;
  align-items:flex-start;
  padding:26px 6px;
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease),padding-left .26s var(--ease);
}
.num-item:hover{background:rgba(255,255,255,.028);padding-left:16px}
.num-index{
  flex:0 0 auto;
  min-width:46px;
  font-family:var(--num-font);
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--brand);
  padding-top:2px;
}
.num-body h4{font-size:16.5px;margin-bottom:6px}
.num-body p{margin:0;color:var(--text-2);font-size:15px}
.num-tag{
  display:inline-block;
  margin-left:10px;
  padding:2px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  color:#B7A6FF;
  background:rgba(122,92,255,.14);
  vertical-align:middle;
}
.num-tag.green{color:var(--ok);background:rgba(53,224,161,.13)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card-lg);
  border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(61,225,255,.10),rgba(122,92,255,.10));
  padding:46px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--shadow-1);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(61,225,255,.18),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
.cta-band p{margin:0;color:var(--text-2);font-size:15.5px;max-width:620px}
.cta-band .cta-actions{flex:0 0 auto;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{
  margin-top:24px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-title{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
  background:linear-gradient(100deg,#E9EEF8,#3DE1FF);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.footer-brand p{
  margin:0;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
  max-width:360px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  color:var(--text-2);
  font-size:14.5px;
}
.footer-col a:hover{color:var(--brand)}
.footer-note{
  margin:0;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:13px;
}

/* ---------- reveal ---------- */
.reveal{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--gutter:20px}
  .split-row{gap:36px}
  .cta-band{padding:40px 34px}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .status-strip{grid-template-columns:repeat(2,1fr)}
  .status-cell:nth-child(2){border-right:0}
  .status-cell:nth-child(1),.status-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .split-row{grid-template-columns:1fr;gap:28px}
  .split-row.reverse .split-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .page-hero{padding-top:130px}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .status-strip{grid-template-columns:1fr}
  .status-cell{border-right:0;border-bottom:1px solid var(--line)}
  .status-cell:last-child{border-bottom:0}
  .num-item{gap:16px;padding:22px 4px}
  .num-index{min-width:34px;font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .cta-band{padding:32px 22px}
  .cta-band .cta-actions{width:100%;flex-direction:column}
  .cta-band .cta-actions .btn-brand,.cta-band .cta-actions .btn-ghost{width:100%}
  .section{padding:52px 0}
  .page-hero{padding-top:120px;padding-bottom:40px}
}
@media (max-width:520px){
  :root{--gutter:16px}
  .nav-shell{padding:0 10px 0 14px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:.08em}
  .num-body h4{font-size:15.5px}
}

/* roulang page: article */
:root{
  --bg-0:#05070F;
  --bg-1:#0A0E1C;
  --bg-2:#121A2E;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.11);
  --brand:#3DE1FF;
  --brand-2:#7A5CFF;
  --spark:#FF3D8B;
  --ok:#35E0A1;
  --text:#E9EEF8;
  --text-2:#9AA6C0;
  --text-3:#66708C;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(61,225,255,.30),0 10px 30px rgba(61,225,255,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-3;
  pointer-events:none;
  background:
    radial-gradient(760px 540px at 6% -8%, rgba(61,225,255,.10), transparent 64%),
    radial-gradient(820px 600px at 100% 106%, rgba(122,92,255,.10), transparent 64%),
    radial-gradient(520px 380px at 74% 10%, rgba(255,61,139,.05), transparent 72%);
}
.page-bg{
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.14;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,.18) 58%,transparent);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,.18) 58%,transparent);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.45;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,.42), transparent 100%),
    radial-gradient(1px 1px at 34% 68%, rgba(255,255,255,.30), transparent 100%),
    radial-gradient(1px 1px at 58% 34%, rgba(255,255,255,.36), transparent 100%),
    radial-gradient(1px 1px at 78% 76%, rgba(255,255,255,.26), transparent 100%),
    radial-gradient(1px 1px at 90% 18%, rgba(255,255,255,.34), transparent 100%),
    radial-gradient(1px 1px at 46% 90%, rgba(255,255,255,.22), transparent 100%);
}
a{color:inherit}
img{max-width:100%}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:rgba(61,225,255,.28);color:#fff}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:72px 0}
.section-tight{padding:44px 0}

/* ============ 悬浮胶囊导航 ============ */
.capsule-nav{
  position:sticky;
  top:16px;
  z-index:1000;
  padding:0 16px;
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  height:62px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 22px;
  border-radius:999px;
  background:rgba(10,14,28,.72);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(20px) saturate(130%);
  backdrop-filter:blur(20px) saturate(130%);
  box-shadow:0 8px 30px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);
  transition:height .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.capsule-nav.scrolled .nav-shell{
  height:54px;
  background:rgba(8,11,24,.86);
  box-shadow:0 14px 36px rgba(0,0,0,.52),inset 0 1px 0 rgba(255,255,255,.07);
}
.brand{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:1px;
  margin-right:auto;
  text-decoration:none;
  min-width:0;
}
.brand-main{
  font-size:15.5px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--text);
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;
  letter-spacing:2.2px;
  color:var(--text-3);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links a{
  display:block;
  padding:8px 15px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  text-decoration:none;
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-links a:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
}
.nav-links a.active{
  color:var(--brand);
  background:rgba(61,225,255,.12);
}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(61,225,255,.5);color:var(--brand)}

/* 抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:2000;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  justify-content:center;
  gap:8px;
  padding:40px 34px;
  background:rgba(5,7,15,.97);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s var(--ease);
}
.drawer.open{transform:none;visibility:visible}
.drawer-close{
  position:absolute;
  top:22px;
  right:22px;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:18px;
  cursor:pointer;
}
.drawer-close:hover{border-color:rgba(61,225,255,.5);color:var(--brand)}
.drawer ul{list-style:none;margin:0;padding:0;text-align:right}
.drawer li{margin:14px 0}
.drawer a{
  font-size:23px;
  font-weight:600;
  color:var(--text);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.drawer a:hover,.drawer a.active{color:var(--brand)}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border:0;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#3DE1FF,#46B8FF);
  color:#04121A;
  font-weight:650;
  font-size:14.5px;
  text-decoration:none;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-brand:hover{
  transform:translateY(-1px);
  filter:brightness(1.08);
  box-shadow:var(--glow);
  color:#04121A;
}
.btn-brand:active{
  transform:translateY(1px);
  box-shadow:0 0 0 1px rgba(61,225,255,.25);
}
.btn-brand:focus-visible{
  outline:2px solid rgba(61,225,255,.55);
  outline-offset:2px;
}
.btn-brand.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:999px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--glass-line);
  background:var(--glass);
  color:var(--text);
  font-weight:600;
  font-size:14.5px;
  text-decoration:none;
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{
  border-color:rgba(61,225,255,.5);
  color:var(--brand);
  transform:translateY(-1px);
}
.btn-ghost:focus-visible{
  outline:2px solid rgba(61,225,255,.55);
  outline-offset:2px;
}

/* ============ 徽章 ============ */
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:500;
  line-height:1.7;
  background:rgba(61,225,255,.12);
  color:var(--brand);
  border:1px solid rgba(61,225,255,.22);
  white-space:nowrap;
}
.badge-pill.alt{
  background:rgba(122,92,255,.14);
  color:#B2A2FF;
  border-color:rgba(122,92,255,.26);
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13.5px;
  color:var(--text-3);
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
}
.crumb a{
  color:var(--text-2);
  text-decoration:none;
  transition:color .2s var(--ease);
  flex-shrink:0;
}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:rgba(255,255,255,.22);flex-shrink:0}
.crumb-cur{
  color:var(--text-3);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  min-width:0;
}

/* ============ 文章头区 ============ */
.article-hero{padding:42px 0 0}
.article-head{
  max-width:880px;
  margin:0 auto;
  padding-top:26px;
}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.32;
  font-weight:700;
  letter-spacing:-.01em;
  margin:18px 0 20px;
  text-align:left;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13.5px;
  color:var(--text-3);
}
.article-meta .meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.article-meta i{font-size:12.5px;color:var(--text-3)}
.article-cover{
  max-width:960px;
  margin:30px auto 0;
  aspect-ratio:16/9;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-1);
  background:var(--bg-2);
}
.article-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* ============ 正文 ============ */
.article-body{
  max-width:810px;
  margin:0 auto;
  padding-top:44px;
  font-size:16px;
  line-height:1.9;
  color:#D6DEEC;
  word-break:break-word;
}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;
  padding-left:15px;
  font-size:21px;
  font-weight:650;
  line-height:1.42;
  color:var(--text);
  margin:42px 0 14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:3px;
  height:20px;
  border-radius:2px;
  background:var(--brand);
}
.article-body h3{
  font-size:17.5px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  margin:28px 0 10px;
}
.article-body h4{
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin:22px 0 8px;
}
.article-body ul,
.article-body ol{
  margin:0 0 18px;
  padding-left:22px;
}
.article-body ul{list-style:none;padding-left:20px}
.article-body ul>li{position:relative;padding-left:14px;margin-bottom:8px}
.article-body ul>li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--brand);
}
.article-body ol>li{margin-bottom:8px}
.article-body blockquote{
  margin:22px 0;
  padding:16px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  background:rgba(255,255,255,.045);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  max-width:100%;
  height:auto;
  display:block;
  margin:22px auto;
  border-radius:12px;
  border:1px solid var(--line);
}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:#8BEBFF}
.article-body strong{color:var(--text);font-weight:650}
.article-body code{
  background:rgba(255,255,255,.08);
  padding:2px 7px;
  border-radius:6px;
  font-size:14px;
}
.article-body pre{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px 18px;
  overflow-x:auto;
  margin:0 0 20px;
}
.article-body pre code{background:none;padding:0}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:20px 0;
  font-size:15px;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-weight:600;
}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:34px 0;
}

/* 空态 */
.empty-state{
  max-width:720px;
  margin:0 auto;
  padding:60px 28px;
  text-align:center;
  border:1px dashed rgba(255,255,255,.18);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state .empty-ico{
  width:56px;
  height:56px;
  margin:0 auto 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:rgba(61,225,255,.10);
  border:1px solid rgba(61,225,255,.24);
  color:var(--brand);
  font-size:22px;
}
.empty-state h2{
  font-size:20px;
  font-weight:650;
  margin:0 0 10px;
  color:var(--text);
}
.empty-state p{
  color:var(--text-2);
  font-size:14.5px;
  margin:0 0 24px;
}

/* ============ 相关推荐 ============ */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.sec-head h2{
  position:relative;
  padding-left:15px;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:650;
  line-height:1.35;
  margin:0;
  color:var(--text);
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  width:3px;
  height:20px;
  border-radius:2px;
  background:var(--brand);
}
.sec-head .sec-sub{
  color:var(--text-3);
  font-size:13.5px;
  margin:8px 0 0 15px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--glass-line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  backdrop-filter:blur(18px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  text-decoration:none;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease),transform .26s var(--ease);
}
.rel-card:hover{
  border-color:rgba(61,225,255,.34);
  box-shadow:var(--glow);
  transform:translateY(-3px);
}
.rel-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-2);
}
.rel-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .4s var(--ease);
}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin:0;
  color:var(--text);
  transition:color .22s var(--ease);
}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body p{
  margin:0;
  font-size:13.5px;
  line-height:1.75;
  color:var(--text-2);
  flex:1;
}
.rel-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 返回入口 ============ */
.back-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  padding:8px 0 0;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:84px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,14,28,.62),rgba(5,7,15,.94));
  padding:58px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:38px;
}
.footer-title{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
  letter-spacing:.2px;
}
.footer-brand p{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
.footer-col h4{
  font-size:14px;
  font-weight:650;
  color:var(--text);
  letter-spacing:.6px;
  margin:0 0 15px;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--brand)}
.footer-note{
  margin:0;
  font-size:13.5px;
  line-height:1.85;
  color:var(--text-3);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .34s var(--ease),transform .34s var(--ease);
}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .nav-shell{gap:12px}
  .nav-links a{padding:8px 12px;font-size:14px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-shell{height:58px;padding:0 10px 0 18px}
  .capsule-nav.scrolled .nav-shell{height:52px}
  .section{padding:56px 0}
  .section-tight{padding:36px 0}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .article-hero{padding-top:34px}
  .article-body h2{font-size:20px}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  body{font-size:15.5px}
  .section{padding:48px 0}
  .capsule-nav{top:10px;padding:0 12px}
  .brand-main{font-size:14px}
  .brand-sub{display:none}
  .article-hero{padding-top:26px}
  .article-head{padding-top:20px}
  .article-head h1{margin:14px 0 16px}
  .article-meta{gap:8px 14px;font-size:13px}
  .article-cover{margin-top:22px;border-radius:16px}
  .article-body{padding-top:32px;font-size:15.5px;line-height:1.88}
  .article-body h2{font-size:19px;margin:34px 0 12px}
  .article-body h3{font-size:16.5px}
  .related-grid{grid-template-columns:1fr}
  .back-row{flex-direction:column}
  .back-row .btn-brand,
  .back-row .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:60px;padding:44px 0 24px}
  .crumb{font-size:12.5px}
}
@media (max-width:520px){
  .article-head h1{font-size:23px;line-height:1.34}
  .empty-state{padding:44px 20px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070F;--bg-1:#0A0E1C;--bg-2:#121A2E;
  --line:rgba(255,255,255,.10);--line-2:rgba(255,255,255,.06);
  --brand:#3DE1FF;--brand-2:#7A5CFF;--spark:#FF3D8B;--ok:#35E0A1;
  --text:#E9EEF8;--text-2:#9AA6C0;--text-3:#66708C;
  --glass:rgba(255,255,255,.055);
  --radius:16px;--radius-lg:20px;--radius-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(61,225,255,.30),0 10px 30px rgba(61,225,255,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-bg:#05070F;--bs-body-color:#E9EEF8;--bs-primary:#3DE1FF;
  --bs-border-color:rgba(255,255,255,.10);--bs-link-color:#3DE1FF;--bs-link-hover-color:#7BE9FF;
  --bs-font-sans-serif:var(--font);--bs-body-font-family:var(--font);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 12% 6%,rgba(61,225,255,.10),transparent 42%),
    radial-gradient(circle at 88% 92%,rgba(122,92,255,.09),transparent 44%),
    radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:auto,auto,32px 32px;
  background-attachment:fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#7BE9FF}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
::selection{background:rgba(61,225,255,.28);color:#04121A}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
main{display:block}
.sec{padding:80px 0;position:relative}
.sec-alt{background:rgba(10,14,28,.72);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px)}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.sec-sub{color:var(--text-2);font-size:15px;max-width:660px;margin-top:14px}
.glass{background:var(--glass);border:1px solid rgba(255,255,255,.11);border-radius:var(--radius);backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.js .reveal{opacity:0;transform:translateY(8px);transition:opacity .34s var(--ease),transform .34s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 悬浮胶囊导航 ---------- */
.capsule-nav{position:sticky;top:0;z-index:120;padding:16px 24px 0;transition:padding .28s var(--ease)}
.nav-shell{
  display:flex;align-items:center;gap:16px;height:64px;max-width:1200px;margin:0 auto;
  padding:0 14px 0 22px;border-radius:999px;
  background:rgba(10,14,28,.72);border:1px solid var(--line);
  backdrop-filter:blur(20px) saturate(120%);-webkit-backdrop-filter:blur(20px) saturate(120%);
  box-shadow:var(--shadow-1);transition:height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.capsule-nav.scrolled{padding-top:10px}
.capsule-nav.scrolled .nav-shell{height:54px;background:rgba(8,11,22,.88);box-shadow:0 16px 36px rgba(0,0,0,.5)}
.brand{display:flex;align-items:baseline;gap:9px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-main{font-size:16.5px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
  background:linear-gradient(90deg,#E9EEF8,#8FE8FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.08em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:block;padding:9px 15px;border-radius:999px;font-size:14.5px;color:var(--text-2);transition:color .2s var(--ease),background .2s var(--ease)}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--brand);background:rgba(61,225,255,.12)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);align-items:center;justify-content:center;margin-left:auto;cursor:pointer}
.nav-toggle:hover{border-color:rgba(61,225,255,.5);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:650;cursor:pointer;border:0;transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn-brand{background:linear-gradient(135deg,#3DE1FF,#46B8FF);color:#04121A;box-shadow:0 8px 22px rgba(61,225,255,.20)}
.btn-brand:hover{color:#04121A;transform:translateY(-1px);filter:brightness(1.08);box-shadow:var(--glow)}
.btn-brand:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(61,225,255,.28)}
.btn-brand:focus-visible,.btn-ghost:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px}
.btn-ghost{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);backdrop-filter:blur(14px)}
.btn-ghost:hover{color:var(--text);border-color:rgba(61,225,255,.55);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;border-radius:999px;font-size:14px}
.nav-cta{flex:0 0 auto}

/* ---------- 徽章 ---------- */
.badge-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6;background:rgba(61,225,255,.12);color:var(--brand);border:1px solid rgba(61,225,255,.22)}
.badge-pill.violet{background:rgba(122,92,255,.14);color:#B7A6FF;border-color:rgba(122,92,255,.28)}
.badge-pill.pink{background:rgba(255,61,139,.13);color:#FF8AB9;border-color:rgba(255,61,139,.25)}
.badge-pill.ok{background:rgba(53,224,161,.13);color:var(--ok);border-color:rgba(53,224,161,.26)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 76px}
.hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.34}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,15,.5) 0%,rgba(5,7,15,.88) 62%,#05070F 100%)}
.hero-inner{position:relative;z-index:1;max-width:840px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.12em;color:var(--brand);text-transform:uppercase}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(53,224,161,.16)}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.2;margin:20px 0 18px}
.hero-lead{font-size:17px;color:var(--text-2);max-width:700px;line-height:1.85}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

/* ---------- 指标条 ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px;position:relative;z-index:1}
.metric{padding:22px 24px;border-radius:var(--radius);background:var(--glass);border:1px solid rgba(255,255,255,.11);backdrop-filter:blur(18px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:box-shadow .26s var(--ease),border-color .26s var(--ease)}
.metric:hover{box-shadow:var(--glow);border-color:rgba(61,225,255,.3)}
.metric-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.metric-label{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.metric-val{display:flex;align-items:baseline;gap:5px;margin:10px 0 6px}
.metric-val .num{font-size:clamp(30px,3.4vw,42px);font-weight:700;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--brand)}
.metric-val .num.ok{color:var(--ok)}
.metric-val .unit{font-size:13.5px;color:var(--text-2)}
.metric-desc{font-size:13.5px;color:var(--text-2)}

/* ---------- 规格参数卡 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.spec{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;border-radius:var(--radius);background:var(--glass);border:1px solid rgba(255,255,255,.11);backdrop-filter:blur(18px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:border-color .24s var(--ease),transform .24s var(--ease)}
.spec:hover{border-color:rgba(61,225,255,.32);transform:translateY(-1px)}
.spec-name{font-size:15.5px;font-weight:600}
.spec-note{font-size:13px;color:var(--text-3);margin-top:4px}
.spec-val{font-size:21px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;white-space:nowrap}

/* ---------- 三步流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.steps::before{content:"";position:absolute;top:50px;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(61,225,255,.42),transparent);z-index:0}
.step{position:relative;z-index:1;padding:26px 26px 28px;border-radius:var(--radius);background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.11);backdrop-filter:blur(18px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:box-shadow .26s var(--ease)}
.step:hover{box-shadow:var(--glow)}
.step-n{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand);background:rgba(61,225,255,.10);border:1px solid rgba(61,225,255,.35);margin-bottom:18px}
.step h3{font-size:18.5px;margin-bottom:10px}
.step p{font-size:14.6px;color:var(--text-2);line-height:1.82}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,15,0) 40%,rgba(5,7,15,.62) 100%)}
.split-body h2{margin-bottom:16px}
.split-body>p{color:var(--text-2);font-size:15.6px}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list i{color:var(--brand);margin-top:6px;font-size:13px}
.check-list b{color:var(--text);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{position:relative;width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 6px 24px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:color .2s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-q::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:2px;height:26px;border-radius:2px;background:var(--brand);transition:transform .24s var(--ease)}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(1)}
.faq-ico{position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);transition:border-color .24s var(--ease),background .24s var(--ease)}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;top:50%;left:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%)}
.faq-ico::before{width:11px;height:1.6px}
.faq-ico::after{width:1.6px;height:11px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-item.open .faq-ico{border-color:rgba(61,225,255,.5);background:rgba(61,225,255,.1)}
.faq-item.open .faq-ico::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 50px 24px 18px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;padding:44px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(61,225,255,.13),rgba(122,92,255,.13)),rgba(255,255,255,.04);
  border:1px solid rgba(61,225,255,.22);backdrop-filter:blur(18px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.09)}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:12px}
.cta-band p{color:var(--text-2);font-size:15.4px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:20px;border-top:1px solid var(--line);background:rgba(10,14,28,.74);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:36px}
.footer-title{font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.85}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--text-2);font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.footer-note{color:var(--text-2);font-size:14px;line-height:1.85}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid var(--line-2);font-size:13.5px;color:var(--text-3)}

/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:200;display:flex;flex-direction:column;gap:6px;padding:26px 24px 36px;
  background:rgba(5,7,15,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transform:translateY(-102%);visibility:hidden;transition:transform .34s var(--ease),visibility .34s var(--ease)}
.drawer.open{transform:translateY(0);visibility:visible}
.drawer-close{align-self:flex-end;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);font-size:18px;cursor:pointer}
.drawer-close:hover{color:var(--brand);border-color:rgba(61,225,255,.5)}
.drawer-nav{display:flex;flex-direction:column;margin-top:22px}
.drawer-nav a{font-size:20px;font-weight:600;color:var(--text);padding:18px 0;border-bottom:1px solid var(--line-2);text-align:right}
.drawer-nav a.active{color:var(--brand)}
.drawer-cta{margin-top:28px;width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .wrap{padding:0 20px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .brand-sub{display:none}
  .sec{padding:64px 0}
  .hero{padding:48px 0 60px}
  .spec-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .steps::before{display:none}
  .split{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .capsule-nav{padding:12px 16px 0}
  .nav-shell{height:58px;padding:0 10px 0 18px}
  .brand-main{font-size:15px}
  body{font-size:15.5px}
  .hero{padding:36px 0 48px}
  .hero-lead{font-size:15.6px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .metric-strip{grid-template-columns:1fr 1fr;gap:14px;margin-top:38px}
  .metric{padding:18px}
  .step{padding:22px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .faq-q{font-size:15.4px;padding:20px 4px 20px 14px}
  .faq-a p{padding:0 20px 20px 14px}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .metric-strip{grid-template-columns:1fr}
  .spec{flex-direction:column;align-items:flex-start;gap:8px}
  .spec-val{font-size:19px}
}

/* roulang page: category3 */
:root{
  --bg-0:#05070F;
  --bg-1:#0A0E1C;
  --bg-2:#121A2E;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --brand:#3DE1FF;
  --brand-2:#7A5CFF;
  --spark:#FF3D8B;
  --ok:#35E0A1;
  --text:#E9EEF8;
  --text-2:#9AA6C0;
  --text-3:#66708C;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.03);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(61,225,255,.30),0 10px 30px rgba(61,225,255,.22);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 620px at 6% -6%, rgba(61,225,255,.10), transparent 62%),
    radial-gradient(820px 600px at 104% 12%, rgba(122,92,255,.09), transparent 60%),
    radial-gradient(rgba(255,255,255,.09) 1px, transparent 1.2px),
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1.2px);
  background-size:auto,auto,120px 120px,64px 64px;
  background-position:0 0,0 0,0 0,30px 40px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
::selection{background:rgba(61,225,255,.28);color:#fff;}

.wrap{max-width:var(--maxw);width:100%;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em;}

/* ---------- 导航 ---------- */
.capsule-nav{
  position:sticky;top:16px;z-index:1030;
  padding:0 20px;
}
.nav-shell{
  max-width:var(--maxw);
  margin:0 auto;
  display:flex;align-items:center;gap:16px;
  min-height:64px;
  padding:8px 12px 8px 22px;
  border-radius:999px;
  background:rgba(10,14,28,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(20px) saturate(120%);
  -webkit-backdrop-filter:blur(20px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  transition:min-height .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.capsule-nav.is-compact .nav-shell{min-height:54px;box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.07);}
.brand{display:flex;flex-direction:column;line-height:1.2;margin-right:auto;flex-shrink:0;}
.brand-main{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.12em;}
.brand:hover .brand-main{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:block;padding:9px 15px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
  transition:background .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-links a.active{color:var(--brand);background:rgba(61,225,255,.12);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text);font-size:16px;cursor:pointer;transition:.22s var(--ease);
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(61,225,255,.45);}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,#3DE1FF,#46B8FF);
  color:#04121A;font-weight:650;font-size:15px;
  cursor:pointer;transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-brand:hover{color:#04121A;transform:translateY(-1px);filter:brightness(1.08);box-shadow:var(--glow);}
.btn-brand:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(61,225,255,.25);}
.btn-brand:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);font-weight:600;font-size:15px;
  cursor:pointer;transition:.22s var(--ease);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(61,225,255,.45);background:rgba(61,225,255,.07);}
.btn-ghost:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px;}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:999px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1200;
  background:rgba(5,7,15,.95);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  display:flex;flex-direction:column;
  padding:26px 24px 40px;
  opacity:0;transform:translateY(-12px);pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.drawer.open{opacity:1;transform:none;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px;}
.drawer-close{
  width:44px;height:44px;border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--text);font-size:18px;cursor:pointer;
}
.drawer-close:hover{color:var(--brand);}
.drawer-links{display:flex;flex-direction:column;align-items:flex-end;gap:6px;margin-bottom:32px;}
.drawer-links a{font-size:22px;font-weight:600;color:var(--text-2);padding:10px 0;}
.drawer-links a.active{color:var(--brand);}
.drawer .btn-brand{width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:40px 0 76px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.38;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.55) 0%,rgba(5,7,15,.88) 58%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--text-2);}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;
  background:rgba(61,225,255,.12);color:var(--brand);
  border:1px solid rgba(61,225,255,.22);
}
.chip--violet{background:rgba(122,92,255,.14);color:#B9A6FF;border-color:rgba(122,92,255,.26);}
.hero h1{
  font-size:clamp(30px,4.6vw,48px);
  line-height:1.2;font-weight:700;
  margin:20px 0 16px;
}
.hero h1 .hl{color:var(--brand);}
.hero-lead{font-size:17px;color:var(--text-2);max-width:600px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.hero-img-mask{
  position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(61,225,255,.14),rgba(122,92,255,.10) 45%,transparent 72%);
  pointer-events:none;
}
.float-pills{position:absolute;left:-10px;bottom:-18px;display:flex;gap:10px;flex-wrap:wrap;}
.float-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:12.5px;color:var(--text-2);
  background:rgba(10,14,28,.82);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-1);
}
.float-pill i{color:var(--ok);font-size:11px;}
.float-pill .warn{color:var(--spark);}

/* ---------- 区块 ---------- */
.section{padding:80px 0;border-top:1px solid var(--line-2);}
.section--alt{background:linear-gradient(180deg,var(--bg-1),var(--bg-0));}
.sec-head{margin-bottom:34px;max-width:760px;}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,3vw,32px);
  margin-bottom:12px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.sec-sub{color:var(--text-2);font-size:15.5px;}

/* ---------- 对照切换 ---------- */
.cmp-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;}
.cmp-tab{
  padding:10px 20px;border-radius:999px;font-size:14.5px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:.24s var(--ease);
}
.cmp-tab:hover{color:var(--text);border-color:rgba(61,225,255,.4);}
.cmp-tab.active{background:rgba(61,225,255,.14);color:var(--brand);border-color:rgba(61,225,255,.5);}
.cmp-tab:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:2px;}

.cmp-panel{display:none;}
.cmp-panel.active{display:block;animation:fadeUp .34s var(--ease);}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.cmp-col{
  padding:26px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
}
.cmp-col--after{border-color:rgba(61,225,255,.30);box-shadow:0 0 0 1px rgba(61,225,255,.16),0 14px 34px rgba(61,225,255,.12),inset 0 1px 0 rgba(255,255,255,.08);}
.cmp-col-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.cmp-col-head h3{font-size:18px;}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;
  background:rgba(122,92,255,.14);color:#B9A6FF;border:1px solid rgba(122,92,255,.24);
}
.badge--spark{background:rgba(255,61,139,.13);color:#FF8FBB;border-color:rgba(255,61,139,.26);}
.badge--brand{background:rgba(61,225,255,.12);color:var(--brand);border-color:rgba(61,225,255,.24);}
.badge--ok{background:rgba(53,224,161,.12);color:var(--ok);border-color:rgba(53,224,161,.24);}

.cmp-list li{
  display:grid;grid-template-columns:104px 1fr;gap:14px;
  padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.09);
  align-items:start;
}
.cmp-list li:last-child{border-bottom:0;padding-bottom:0;}
.cmp-key{font-size:13px;color:var(--text-3);}
.cmp-val{font-size:14.8px;color:var(--text-2);}
.cmp-col--after .cmp-val{color:var(--text);}

/* ---------- 指标条 ---------- */
.metric-card{
  height:100%;padding:24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.metric-card:hover{box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.08);border-color:rgba(61,225,255,.35);}
.metric-label{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.metric-num{font-size:clamp(28px,4.2vw,42px);color:var(--brand);margin:10px 0 6px;}
.metric-num .unit{font-size:14px;color:var(--text-2);font-weight:500;margin-left:5px;letter-spacing:0;}
.metric-foot{font-size:13px;color:var(--text-3);}

/* ---------- 优势清单 ---------- */
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.adv-item{
  display:flex;gap:16px;padding:22px;
  border-radius:var(--r-card);
  background:var(--glass-2);border:1px solid var(--line);
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.adv-item:hover{border-color:rgba(61,225,255,.32);background:rgba(61,225,255,.05);}
.adv-num{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(61,225,255,.12);border:1px solid rgba(61,225,255,.26);
  color:var(--brand);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.adv-item h3{font-size:16.5px;margin-bottom:6px;}
.adv-item p{font-size:14.2px;color:var(--text-2);line-height:1.75;}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;font-size:14px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--line);
  transition:.24s var(--ease);
}
.tag i{font-size:11px;color:var(--brand-2);}
.tag:hover{color:var(--brand);border-color:rgba(61,225,255,.45);background:rgba(61,225,255,.08);transform:translateY(-1px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:var(--glass-2);margin-bottom:12px;overflow:hidden;
  transition:border-color .24s var(--ease);
}
.faq-item.open{border-color:rgba(61,225,255,.36);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;background:transparent;border:0;color:var(--text);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.5;
}
.faq-q:focus-visible{outline:2px solid rgba(61,225,255,.55);outline-offset:-2px;}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:15px;line-height:1;
  border:1px solid var(--line);color:var(--text-2);
  transition:transform .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:rgba(61,225,255,.45);}
.faq-a{display:none;}
.faq-item.open .faq-a{display:block;animation:fadeUp .3s var(--ease);}
.faq-a-inner{
  margin:0 22px 20px;padding-left:14px;
  border-left:2px solid var(--brand);
  font-size:15px;color:var(--text-2);
}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:36px;align-items:start;}
.contact-points{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.contact-point{display:flex;gap:14px;align-items:flex-start;}
.contact-point i{
  flex-shrink:0;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(61,225,255,.1);border:1px solid rgba(61,225,255,.24);color:var(--brand);font-size:14px;
}
.contact-point h3{font-size:15.5px;margin-bottom:4px;}
.contact-point p{font-size:14px;color:var(--text-2);}
.form-panel{
  padding:28px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--shadow-1);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.form-control-c{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--text);
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
  outline:none;
}
.form-control-c::placeholder{color:var(--text-3);}
.form-control-c:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(61,225,255,.16);background:rgba(255,255,255,.06);}
select.form-control-c{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
textarea.form-control-c{min-height:96px;resize:vertical;}
.form-tip{font-size:13px;color:var(--text-3);margin-top:14px;}
.form-submit{width:100%;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-title{font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .36s var(--ease),transform .36s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .wrap{padding:0 20px;}
  .capsule-nav{padding:0 16px;}
  .hero-grid{gap:34px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .brand-sub{display:none;}
  .section{padding:64px 0;}
  .hero{padding:24px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-visual{order:-1;}
  .float-pills{position:static;margin-top:14px;left:0;bottom:0;}
  .advantage,.adv-grid{grid-template-columns:1fr;}
  .adv-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .section{padding:48px 0;}
  .cmp-grid{grid-template-columns:1fr;}
  .cmp-list li{grid-template-columns:1fr;gap:4px;}
  .cmp-key{color:var(--brand);font-size:12.5px;letter-spacing:.04em;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .form-submit{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .capsule-nav{padding:0 12px;top:10px;}
  .nav-shell{padding:8px 10px 8px 16px;}
  .brand-main{font-size:15.5px;}
  .cmp-col{padding:20px;}
  .metric-card{padding:20px;}
  .form-panel{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --bg-0:#05070F; --bg-1:#0A0E1C; --bg-2:#121A2E;
  --line:rgba(255,255,255,.10);
  --brand:#3DE1FF; --brand-2:#7A5CFF; --spark:#FF3D8B; --ok:#35E0A1;
  --text:#E9EEF8; --text-2:#9AA6C0; --text-3:#66708C;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.11);
  --r-card:16px; --r-lg:20px; --r-btn:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(61,225,255,.30),0 10px 30px rgba(61,225,255,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:var(--bg-0); --bs-body-color:var(--text);
  --bs-primary:#3DE1FF; --bs-border-color:rgba(255,255,255,.10);
  --bs-link-color:var(--brand); --bs-link-hover-color:#7fe9ff;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; padding:16px 0 0;
  background:var(--bg-0); color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px; line-height:1.8; letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(620px 420px at 8% 4%, rgba(61,225,255,.08), transparent 70%),
    radial-gradient(680px 460px at 96% 88%, rgba(122,92,255,.07), transparent 72%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:34px 34px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(61,225,255,.55); outline-offset:2px;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:650;letter-spacing:.005em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.num,.status-value,strong{font-variant-numeric:tabular-nums}

/* 悬浮胶囊导航 */
.capsule-nav{position:sticky;top:16px;z-index:60;padding:0 16px;transition:top .28s var(--ease)}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;padding:0 18px 0 22px;
  display:flex;align-items:center;gap:22px;
  border-radius:999px;border:1px solid var(--glass-line);
  background:rgba(10,14,28,.72);
  -webkit-backdrop-filter:blur(20px) saturate(120%);backdrop-filter:blur(20px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:height .28s var(--ease),box-shadow .28s var(--ease);
}
.capsule-nav.scrolled .nav-shell{height:54px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 14px 34px rgba(0,0,0,.46)}
.brand{display:flex;flex-direction:column;line-height:1.2;flex:0 0 auto}
.brand-main{font-size:15.5px;font-weight:700;color:var(--text);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--text-2)}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--brand);background:rgba(61,225,255,.12)}
.nav-cta{flex:0 0 auto;margin-left:6px}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,#3DE1FF,#46B8FF);color:#04121A;
  font-size:15px;font-weight:650;font-family:inherit;cursor:pointer;
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-brand:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:var(--glow);color:#04121A}
.btn-brand:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(61,225,255,.28)}
.btn-brand.btn-sm{padding:9px 16px;font-size:14px;border-radius:999px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid var(--glass-line);
  background:var(--glass);color:var(--text);font-size:15px;font-weight:600;cursor:pointer;
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{border-color:rgba(61,225,255,.55);color:var(--brand);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-line);background:var(--glass);color:var(--text);font-size:16px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:rgba(61,225,255,.5);color:var(--brand)}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);z-index:90;
  display:flex;flex-direction:column;gap:6px;padding:22px 20px;
  background:rgba(8,11,22,.97);border-left:1px solid var(--glass-line);
  transform:translateX(103%);transition:transform .32s var(--ease);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-brand{font-size:15px;font-weight:700}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--glass-line);background:var(--glass);color:var(--text);cursor:pointer;font-size:16px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin:14px 0 auto}
.drawer-links a{display:block;text-align:right;padding:14px 14px;border-radius:12px;font-size:17px;color:var(--text-2)}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand);background:rgba(61,225,255,.10)}
.drawer-cta{width:100%}
.drawer-mask{position:fixed;inset:0;z-index:80;background:rgba(3,5,11,.62);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease)}
.drawer-mask.show{opacity:1;visibility:visible}

/* 板块 */
.section{padding:80px 0;position:relative;z-index:2}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:36px}
.section-head h2,.cta-copy h2{position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px);font-weight:650}
.section-head h2::before,.cta-copy h2::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:20px;border-radius:2px;background:var(--brand)}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:760px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.text-link{color:var(--brand);font-size:14.5px;border-bottom:1px solid rgba(61,225,255,.45);padding-bottom:2px}
.text-link:hover{color:#7fe9ff;border-color:#7fe9ff}

/* Hero */
.hero{position:relative;overflow:hidden;padding:58px 0 74px}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.3;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,.05));
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,.05));
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(560px 360px at 18% 20%, rgba(61,225,255,.13), transparent 70%),
             radial-gradient(480px 320px at 88% 80%, rgba(122,92,255,.14), transparent 72%);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;
  color:var(--brand);background:rgba(61,225,255,.12);border:1px solid rgba(61,225,255,.28);
}
.hero h1{margin:18px 0 16px;font-size:clamp(30px,4.6vw,48px);line-height:1.2;font-weight:700}
.hero-sub{color:var(--text-2);font-size:17px;line-height:1.85;max-width:600px}
.hero-actions{margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.hero-meta li{font-size:13.5px;color:var(--text-3)}
.hero-meta strong{display:block;font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.02em}
.status-card{
  border-radius:var(--r-lg);border:1px solid var(--glass-line);
  background:var(--glass);padding:24px;
  -webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}
.live-bar{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2);padding-bottom:16px;border-bottom:1px solid var(--line)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(53,224,161,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(53,224,161,.55)}70%{box-shadow:0 0 0 9px rgba(53,224,161,0)}100%{box-shadow:0 0 0 0 rgba(53,224,161,0)}}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.status-label{font-size:14px;color:var(--text-2)}
.status-value{font-size:14.5px;font-weight:700;color:var(--text)}
.status-value.ok{color:var(--ok)}
.status-value.spark{color:var(--spark)}
.status-note{margin-top:16px;font-size:13.5px;color:var(--text-3);line-height:1.7}

/* 准备清单 */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.prep-item{padding:28px 26px;border-top:2px solid rgba(61,225,255,.35);border-right:1px solid var(--line)}
.prep-item:last-child{border-right:0}
.prep-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(61,225,255,.10);border:1px solid rgba(61,225,255,.35);color:var(--brand);font-size:17px;
}
.prep-item h3{margin:18px 0 10px;font-size:18px;font-weight:600}
.prep-item p{color:var(--text-2);font-size:15px;line-height:1.8}

/* 时间轴 */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:26px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(61,225,255,.6),rgba(122,92,255,.28),rgba(255,255,255,0));
}
.tl-item{position:relative;padding:0 0 30px 78px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:-.02em;
  color:var(--brand);background:rgba(61,225,255,.10);border:1px solid rgba(61,225,255,.35);
  font-variant-numeric:tabular-nums;
}
.tl-body{
  border-radius:var(--r-card);border:1px solid var(--glass-line);background:var(--glass);
  padding:24px 26px;
  -webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.tl-body:hover{border-color:rgba(61,225,255,.42);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--glow)}
.tl-body h3{font-size:19px;font-weight:600}
.tl-body p{margin-top:10px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-points li{
  padding:4px 11px;border-radius:999px;font-size:12.5px;
  color:var(--brand-2);background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.28);
}

/* FAQ */
.faq-list{max-width:920px}
.faq-list .accordion-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.faq-list .accordion-item:hover{border-color:rgba(61,225,255,.34)}
.faq-list .accordion-header{margin:0;font-size:inherit}
.faq-list .accordion-button{
  position:relative;background:transparent;color:var(--text);
  font-size:16px;font-weight:600;font-family:inherit;line-height:1.5;
  padding:19px 24px;box-shadow:none;
}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:rgba(61,225,255,.06)}
.faq-list .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--brand);
}
.faq-list .accordion-button::after{
  background-image:none;content:"+";width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:400;color:var(--text-2);margin-left:16px;
  transition:color .22s var(--ease);
}
.faq-list .accordion-button:not(.collapsed)::after{content:"−";color:var(--brand)}
.faq-list .accordion-button:focus{box-shadow:none}
.faq-list .accordion-body{
  padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85;background:transparent;
}

/* 相关阅读 */
.read-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.read-card{
  border-radius:var(--r-card);border:1px solid var(--glass-line);background:var(--glass);
  overflow:hidden;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  display:flex;flex-direction:column;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.read-card:hover{border-color:rgba(61,225,255,.42);transform:translateY(-3px);box-shadow:var(--shadow-1)}
.read-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;display:block}
.read-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.read-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,15,.05),rgba(5,7,15,.62))}
.read-card:hover .read-thumb img{transform:scale(1.03)}
.read-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px}
.badge-pill{
  align-self:flex-start;padding:4px 10px;border-radius:999px;font-size:12px;
  color:var(--brand);background:rgba(61,225,255,.12);border:1px solid rgba(61,225,255,.26);
}
.read-body h3{font-size:17.5px;font-weight:600}
.read-body h3 a:hover{color:var(--brand)}
.read-body p{color:var(--text-2);font-size:14.5px;line-height:1.75}

/* 表单 */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.cta-copy h2{font-size:clamp(22px,3vw,30px)}
.cta-copy>p{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:520px}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:11px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.cta-list i{color:var(--ok);margin-top:5px;font-size:13px}
.form-panel{
  border-radius:var(--r-lg);border:1px solid var(--glass-line);background:var(--glass);
  padding:28px;
  -webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(61,225,255,.15);
}
.field select option{background:#0A0E1C;color:var(--text)}
.field textarea{resize:vertical;min-height:104px}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7}

/* 页脚 */
.site-footer{margin-top:0;padding:64px 0 28px;background:var(--bg-1);border-top:1px solid var(--line);position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-title{font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:420px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-2);font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.footer-note{color:var(--text-2);font-size:14px;line-height:1.85}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .34s var(--ease),transform .34s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .pulse{animation:none}
}

/* 断点 */
@media (max-width:1199px){
  .wrap{padding:0 20px}
  .hero-grid{gap:34px}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .prep-grid{grid-template-columns:1fr}
  .prep-item{border-right:0;border-bottom:1px solid var(--line)}
  .prep-item:last-child{border-bottom:0}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-top:12px}
  .capsule-nav{top:12px;padding:0 12px}
  .nav-shell{height:58px;padding:0 14px 0 18px}
  .brand-main{font-size:14.5px}
  .hero h1{font-size:clamp(27px,7vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .hero-meta{gap:18px}
  .hero-meta strong{font-size:22px}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .timeline::before{left:18px}
  .tl-item{padding-left:56px}
  .tl-dot{width:38px;height:38px;border-radius:12px;font-size:13.5px}
  .tl-body{padding:20px}
  .tl-body h3{font-size:17.5px}
  .faq-list .accordion-button{font-size:15.5px;padding:16px 18px}
  .faq-list .accordion-body{padding:0 18px 20px}
  .form-panel{padding:22px}
  .form-panel .btn-brand{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{margin-top:34px}
}