/* roulang page: index */
:root{
  --bg-0:#070F1E;
  --bg-1:#0B1730;
  --bg-1b:#0E1E3C;
  --bg-2:rgba(19,38,68,.72);
  --brand:#0E2A55;
  --brand-strong:#16407F;
  --accent:#2FE3D0;
  --accent-2:#7FD8FF;
  --gold:#FFC46B;
  --text-1:#EAF2FF;
  --text-2:#A9BDD9;
  --text-3:#6F86A6;
  --line:rgba(120,180,255,.14);
  --glass-border:rgba(255,255,255,.10);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 8px 32px rgba(3,10,24,.55);
  --shadow-hi:0 14px 40px rgba(47,227,208,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text-1);
  --bs-link-color:var(--accent-2);
  --bs-link-hover-color:var(--accent);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--bs-body-font-family);
  font-size:1rem;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent-2);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent);text-decoration:underline}
p{margin:0 0 1rem}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.28;letter-spacing:-0.01em;margin:0 0 .6rem;color:var(--text-1)}
h1{font-size:clamp(2.1rem,4vw,3.3rem);font-weight:800}
h2{font-size:1.9rem}
h3{font-size:1.3rem}
h4{font-size:1.1rem}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}

.container{
  --bs-gutter-x:48px;
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (min-width:1400px){
  .container{max-width:1280px}
}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px}

section{position:relative}
.section{padding:96px 0}
.section-alt{background:var(--bg-1)}
.section-alt-2{background:var(--bg-1b)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head p{color:var(--text-2);margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
  background:rgba(47,227,208,.12);
  color:var(--accent);
  border:1px solid rgba(47,227,208,.24);
  margin-bottom:18px;
}
.eyebrow.gold{background:rgba(255,196,107,.12);color:var(--gold);border-color:rgba(255,196,107,.26)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(7,15,30,.62);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,19,38,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(3,10,24,.6);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-strong),var(--brand));
  border:1px solid rgba(127,216,255,.30);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:1.05rem;font-weight:700;color:var(--text-1);letter-spacing:-0.01em}

.nav-menu{display:flex;align-items:center;gap:6px;margin:0}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:.94rem;font-weight:500;
  color:var(--text-2);
  border-radius:999px;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
  transition:left .25s var(--ease),right .25s var(--ease);
}
.nav-menu a:hover{color:var(--text-1);text-decoration:none;background:rgba(127,216,255,.06)}
.nav-menu a:hover::after{left:14px;right:14px}
.nav-menu a.active{color:var(--text-1);background:rgba(47,227,208,.10)}
.nav-menu a.active::after{left:14px;right:14px}

.nav-actions{display:flex;align-items:center;gap:12px}
.nav-search{position:relative;width:220px}
.nav-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:.95rem;
}
.nav-search input{
  width:100%;height:40px;
  padding:0 16px 0 38px;
  border-radius:999px;
  background:rgba(19,38,68,.6);
  border:1px solid var(--glass-border);
  color:var(--text-1);font-size:.9rem;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  outline:none;background:rgba(19,38,68,.9);
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(47,227,208,.18);
}

.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(19,38,68,.7);
  border:1px solid var(--glass-border);
  color:var(--text-1);font-size:1.2rem;
  align-items:center;justify-content:center;
  cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
  text-decoration:none;
  min-height:44px;
}
.btn-main{
  padding:14px 28px;
  background:linear-gradient(135deg,#2FE3D0,#2AA7FF);
  color:#04121F;
  box-shadow:0 0 22px rgba(47,227,208,.42);
}
.btn-main:hover{
  color:#04121F;text-decoration:none;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 34px rgba(47,227,208,.58);
}
.btn-main:active{transform:translateY(0);box-shadow:0 0 16px rgba(47,227,208,.36)}
.btn-main.sm{padding:10px 20px;font-size:.88rem;min-height:40px}
.btn-ghost{
  padding:13px 26px;
  background:transparent;
  color:var(--text-1);
  border-color:var(--glass-border);
  backdrop-filter:blur(12px);
  font-weight:600;
}
.btn-ghost:hover{
  color:var(--accent);text-decoration:none;
  border-color:var(--accent);
  transform:translateY(-2px);
}
.btn-ghost.sm{padding:9px 18px;font-size:.88rem;min-height:40px}
.btn-line{
  padding:12px 24px;
  background:transparent;
  color:var(--accent-2);
  border-color:rgba(127,216,255,.36);
  font-weight:600;
}
.btn-line:hover{color:var(--accent);border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-2);font-size:.92rem;font-weight:600;
}
.link-more span{position:relative}
.link-more span::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--accent);transition:width .25s var(--ease);
}
.link-more:hover{text-decoration:none;color:var(--accent)}
.link-more:hover span::after{width:100%}

/* ---------- Hero ---------- */
.hero{
  padding:104px 0 96px;
  background:
    radial-gradient(760px 460px at 82% 12%, rgba(47,227,208,.16), transparent 68%),
    linear-gradient(180deg, rgba(7,15,30,.74), rgba(7,15,30,.90)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(127,216,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(127,216,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 100%);
}
.hero > .container{position:relative;z-index:2}
.hero h1{margin-bottom:18px}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:1.08rem;color:var(--text-2);max-width:560px;margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:12px 40px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{
  font-family:Inter,"Barlow",system-ui,sans-serif;
  font-size:1.6rem;font-weight:800;color:var(--gold);
  letter-spacing:-0.02em;line-height:1.2;
}
.hero-stats span{font-size:.84rem;color:var(--text-3)}

.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  padding:14px;
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-md);
  background:var(--bg-1);
}
.hero-chip{
  position:absolute;left:-18px;bottom:36px;
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--r-md);
  background:rgba(11,23,48,.92);
  border:1px solid rgba(47,227,208,.30);
  box-shadow:0 12px 30px rgba(3,10,24,.6);
  font-size:.86rem;color:var(--text-1);
}
.hero-chip i{color:var(--accent);font-size:1.1rem}
.hero-chip small{display:block;color:var(--text-3);font-size:.75rem}

/* ---------- 数据条 ---------- */
.kpi-strip{
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  padding:34px 0;
}
.kpi-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.kpi{
  padding-left:20px;border-left:2px solid rgba(47,227,208,.28);
}
.kpi b{
  display:block;font-family:Inter,"Barlow",system-ui,sans-serif;
  font-size:1.75rem;font-weight:800;color:var(--gold);
  letter-spacing:-0.02em;line-height:1.2;
}
.kpi span{display:block;font-size:.86rem;color:var(--text-2);margin-top:4px}

/* ---------- 卡片 ---------- */
.glass-card{
  position:relative;
  height:100%;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,227,208,.30);
  box-shadow:0 0 0 1px rgba(47,227,208,.30),var(--shadow-hi);
}
.glass-card p{color:var(--text-2);font-size:.95rem;margin-bottom:0}
.glass-card h3{font-size:1.15rem;margin-bottom:10px}

/* 三步上手 */
.steps{display:grid;gap:24px;grid-template-columns:5fr 4fr 3fr}
.step-card{padding:30px 26px}
.step-num{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  font-family:Inter,"Barlow",system-ui,sans-serif;
  font-size:1.4rem;font-weight:800;color:var(--gold);
  border:1px solid rgba(255,196,107,.42);
  background:rgba(255,196,107,.06);
  margin-bottom:20px;
}
.step-connector{
  position:absolute;top:56px;right:-14px;
  width:28px;height:1px;
  border-top:1px dashed rgba(127,216,255,.42);
}
.step-card:last-child .step-connector{display:none}

/* 能力网格 */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cap-card .cap-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(47,227,208,.10);
  border:1px solid rgba(47,227,208,.22);
  color:var(--accent);font-size:1.2rem;
  margin-bottom:16px;
}
.cap-card.gold .cap-icon{background:rgba(255,196,107,.10);border-color:rgba(255,196,107,.24);color:var(--gold)}

/* 案例证明 */
.case-main{
  position:relative;height:100%;min-height:380px;
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow);
}
.case-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.case-main .case-body{
  position:relative;z-index:2;
  display:flex;flex-direction:column;justify-content:flex-end;
  height:100%;min-height:380px;
  padding:30px;
  background:linear-gradient(180deg,rgba(7,15,30,.10) 30%,rgba(7,15,30,.92) 100%);
}
.case-body h3{font-size:1.35rem;margin-bottom:10px}
.case-body p{color:var(--text-2);font-size:.95rem;margin-bottom:18px}
.case-points{display:flex;gap:28px;flex-wrap:wrap;margin-bottom:20px}
.case-points b{
  display:block;font-family:Inter,"Barlow",system-ui,sans-serif;
  font-size:1.45rem;color:var(--gold);font-weight:800;line-height:1.2;
}
.case-points span{font-size:.8rem;color:var(--text-3)}
.badge-pill{
  display:inline-block;
  padding:4px 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;
  background:rgba(47,227,208,.12);color:var(--accent);
  border:1px solid rgba(47,227,208,.24);
  margin-bottom:14px;
}
.badge-pill.gold{background:rgba(255,196,107,.12);color:var(--gold);border-color:rgba(255,196,107,.26)}

.case-side{display:flex;flex-direction:column;gap:24px;height:100%}
.case-mini{
  display:flex;gap:16px;align-items:center;
  padding:18px;border-radius:var(--r-md);
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.case-mini:hover{transform:translateY(-4px);border-color:rgba(47,227,208,.30);box-shadow:0 0 0 1px rgba(47,227,208,.28),var(--shadow-hi)}
.case-mini img{
  width:96px;height:76px;object-fit:cover;border-radius:var(--r-sm);
  flex-shrink:0;background:var(--bg-1);
}
.case-mini h4{font-size:1.02rem;margin-bottom:6px}
.case-mini p{font-size:.85rem;color:var(--text-3);margin:0}

/* ---------- 最新信息 ---------- */
.cms-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:40px;
}
.cms-main{
  display:block;height:100%;
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow);
  text-decoration:none;color:inherit;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cms-main:hover{transform:translateY(-4px);text-decoration:none;color:inherit;border-color:rgba(47,227,208,.30);box-shadow:0 0 0 1px rgba(47,227,208,.30),var(--shadow-hi)}
.cms-main .cms-thumb{position:relative}
.cms-main .cms-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-1)}
.cms-main .cms-thumb .badge-pill{position:absolute;top:14px;left:14px;margin:0;background:rgba(7,15,30,.8)}
.cms-main .cms-body{padding:24px}
.cms-main h3{font-size:1.25rem;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-main p{color:var(--text-2);font-size:.92rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.cms-meta{display:flex;align-items:center;gap:14px;font-size:.82rem;color:var(--text-3);flex-wrap:wrap}
.cms-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3)}

.cms-list{display:flex;flex-direction:column;gap:24px}
.cms-item{
  display:flex;gap:16px;
  padding:16px;border-radius:var(--r-md);
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow);
  text-decoration:none;color:inherit;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cms-item:hover{transform:translateY(-4px);text-decoration:none;color:inherit;border-color:rgba(47,227,208,.30);box-shadow:0 0 0 1px rgba(47,227,208,.28),var(--shadow-hi)}
.cms-item img{
  width:120px;height:80px;object-fit:cover;border-radius:var(--r-sm);
  flex-shrink:0;background:var(--bg-1);
}
.cms-item h4{
  font-size:1rem;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-item .cms-meta{font-size:.78rem}
.cms-empty{
  padding:56px 24px;text-align:center;
  border-radius:var(--r-lg);
  background:var(--bg-2);
  border:1px dashed var(--glass-border);
  color:var(--text-2);
}
.cms-empty i{display:block;font-size:2rem;color:var(--text-3);margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin-inline:auto}
.accordion-item{
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  border-radius:var(--r-md) !important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.accordion-item .accordion-header{margin:0;font-size:inherit}
.accordion-button{
  width:100%;
  padding:20px 22px;
  background:transparent;
  color:var(--text-1);
  font-size:1rem;font-weight:600;
  line-height:1.6;
  text-align:left;
  border:0;
  box-shadow:none !important;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.accordion-button::after{
  content:"\F282";
  font-family:"bootstrap-icons";
  font-size:.9rem;
  color:var(--accent);
  background-image:none;
  width:auto;height:auto;
  transition:transform .25s var(--ease);
  transform:rotate(0deg);
}
.accordion-button:not(.collapsed){
  color:var(--accent);
  background:rgba(47,227,208,.06);
  box-shadow:inset 3px 0 0 var(--accent) !important;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-button:focus{outline:none}
.accordion-button:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.accordion-body{
  padding:0 22px 22px;
  color:var(--text-2);font-size:.95rem;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:
    radial-gradient(520px 300px at 12% 100%, rgba(255,196,107,.16), transparent 70%),
    radial-gradient(600px 340px at 88% 0%, rgba(47,227,208,.18), transparent 68%),
    linear-gradient(180deg, rgba(11,23,48,.86), rgba(11,23,48,.94)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  padding:56px;
}
.cta-panel h2{font-size:1.75rem}
.cta-panel p{color:var(--text-2);margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-form{
  padding:26px;border-radius:var(--r-md);
  background:rgba(7,15,30,.62);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(12px);
}
.cta-form label{
  display:block;font-size:.82rem;color:var(--text-3);margin-bottom:8px;
}
.cta-form input{
  width:100%;height:46px;
  padding:0 16px;margin-bottom:16px;
  border-radius:var(--r-md);
  background:rgba(19,38,68,.7);
  border:1px solid var(--glass-border);
  color:var(--text-1);font-size:.94rem;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(47,227,208,.2);
}
.cta-form .btn-main{width:100%}
.form-note{font-size:.78rem;color:var(--text-3);margin:12px 0 0;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-col h4{
  font-size:.875rem;font-weight:700;color:var(--text-1);
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col p{font-size:.88rem;color:var(--text-2);margin-bottom:12px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:.88rem;color:var(--text-2)}
.footer-col ul a:hover{color:var(--accent);text-decoration:none}
.qr-box{
  width:104px;height:104px;border-radius:var(--r-sm);
  background:rgba(19,38,68,.72);
  border:1px solid var(--glass-border);
  display:grid;place-items:center;
  color:var(--text-3);font-size:.72rem;text-align:center;
  line-height:1.5;
}
.qr-box i{display:block;font-size:1.6rem;margin-bottom:4px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  font-size:.82rem;color:var(--text-3);
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom nav a{color:var(--text-3)}
.footer-bottom nav a:hover{color:var(--accent-2);text-decoration:none}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition-duration:.001ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search{width:180px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .hero{padding:80px 0 72px}
  .nav-toggle{display:flex}
  .navbar-collapse{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(360px,88vw);
    z-index:1080;
    display:flex !important;
    flex-direction:column;
    gap:20px;
    padding:88px 24px 32px;
    background:#0B1730;
    border-left:1px solid var(--glass-border);
    box-shadow:-20px 0 60px rgba(3,10,24,.7);
    transform:translateX(104%);
    visibility:hidden;
    transition:transform .35s var(--ease),visibility .35s var(--ease);
    overflow-y:auto;
  }
  .navbar-collapse.show{transform:translateX(0);visibility:visible}
  .nav-menu{flex-direction:column;align-items:stretch;gap:6px}
  .nav-menu a{padding:14px 16px;border-radius:var(--r-md);font-size:1rem}
  .nav-menu a::after{display:none}
  .nav-menu a.active{background:rgba(47,227,208,.12)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:14px;margin-top:auto}
  .nav-search{width:100%}
  .nav-actions .btn-ghost,.nav-actions .btn-main{width:100%}
  .steps{grid-template-columns:1fr 1fr}
  .step-card:last-child{grid-column:1 / -1}
  .step-connector{display:none}
  .cap-grid{grid-template-columns:1fr 1fr}
  .cta-panel{padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .hero{padding:64px 0 56px}
  h2{font-size:1.5rem}
  .hero-stats{gap:16px 28px}
  .hero-stats b{font-size:1.35rem}
  .hero-chip{position:static;margin-top:14px;left:auto;bottom:auto}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:20px}
  .kpi b{font-size:1.45rem}
  .steps{grid-template-columns:1fr}
  .step-card:last-child{grid-column:auto}
  .cap-grid{grid-template-columns:1fr}
  .glass-card{padding:22px}
  .case-main,.case-main .case-body{min-height:320px}
  .cms-head{margin-bottom:28px}
  .cms-item{flex-direction:column}
  .cms-item img{width:100%;height:auto;aspect-ratio:16/9}
  .cta-panel{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  .container{--bs-gutter-x:32px;padding-inline:16px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .kpi-grid{grid-template-columns:1fr}
  .case-points{gap:20px}
}

/* roulang page: article */
:root{
  --bg-0:#070F1E;
  --bg-1:#0B1730;
  --bg-3:#0E1E3C;
  --bg-2:rgba(19,38,68,.72);
  --brand:#0E2A55;
  --brand-strong:#16407F;
  --accent:#2FE3D0;
  --accent-2:#7FD8FF;
  --gold:#FFC46B;
  --text-1:#EAF2FF;
  --text-2:#A9BDD9;
  --text-3:#6F86A6;
  --line:rgba(120,180,255,.14);
  --glass-border:rgba(255,255,255,.10);
  --r-lg:18px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:10px;
  --r-pill:999px;
  --shadow-card:0 8px 32px rgba(3,10,24,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-hover:0 0 0 1px rgba(47,227,208,.30), 0 14px 40px rgba(47,227,208,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100%;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 420px at 82% -6%, rgba(47,227,208,.10), transparent 62%),
    radial-gradient(620px 380px at 6% 12%, rgba(127,216,255,.07), transparent 60%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--accent-2);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--accent);text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
h1,h2,h3,h4{color:var(--text-1);font-weight:700;line-height:1.28;letter-spacing:-.01em;margin:0;}
p{margin:0 0 1rem;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
::selection{background:rgba(47,227,208,.28);color:#fff;}

.container,
.container-fluid{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ============ 顶部进度条 ============ */
.read-progress{
  position:fixed;
  top:0;left:0;
  height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(47,227,208,.6);
  z-index:1100;
  transition:width .12s linear;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(7,15,30,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,17,34,.94);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(3,10,24,.55);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:linear-gradient(140deg,rgba(47,227,208,.18),rgba(22,64,127,.55));
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:1.05rem;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:-.01em;
}
.brand:hover .brand-text{color:#fff;}

.navbar-collapse{
  display:flex;
  align-items:center;
  gap:18px;
  flex:1 1 auto;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex-wrap:nowrap;
}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:.94rem;
  color:var(--text-2);
  border-radius:var(--r-xs);
  white-space:nowrap;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .25s var(--ease);
}
.nav-menu a:hover{color:var(--text-1);background:rgba(127,216,255,.06);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--text-1);font-weight:600;background:rgba(47,227,208,.10);}
.nav-menu a.active::after{transform:scaleX(1);}

.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:230px;
}
.nav-search i{
  position:absolute;
  left:14px;
  font-size:.9rem;
  color:var(--text-3);
  pointer-events:none;
}
.nav-search input{
  width:100%;
  height:40px;
  padding:0 14px 0 38px;
  border-radius:var(--r-pill);
  border:1px solid var(--glass-border);
  background:rgba(11,23,48,.85);
  color:var(--text-1);
  font-size:.88rem;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(47,227,208,.18);
}

.btn-main,
.btn-ghost,
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:.94rem;
  line-height:1;
  padding:14px 28px;
  min-height:44px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-main{
  color:#04121F;
  background:linear-gradient(135deg,#2FE3D0,#2AA7FF);
  box-shadow:0 0 22px rgba(47,227,208,.42);
}
.btn-main:hover{
  color:#04121F;
  transform:translateY(-2px);
  box-shadow:0 0 34px rgba(47,227,208,.55);
  filter:brightness(1.06);
}
.btn-main:active{transform:translateY(0);box-shadow:0 0 18px rgba(47,227,208,.38);}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.03);
  border-color:var(--glass-border);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  color:#fff;
  border-color:rgba(47,227,208,.55);
  background:rgba(47,227,208,.08);
}
.btn-line{
  color:var(--accent-2);
  border-color:rgba(127,216,255,.32);
  background:transparent;
}
.btn-line:hover{color:var(--accent);border-color:var(--accent);background:rgba(47,227,208,.07);}
.btn-main.sm,.btn-ghost.sm{
  padding:10px 18px;
  font-size:.86rem;
  min-height:40px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent-2);
  font-size:.92rem;
  font-weight:600;
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--glass-border);
  background:rgba(11,23,48,.8);
  color:var(--text-1);
  font-size:1.35rem;
  line-height:1;
  align-items:center;
  justify-content:center;
}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:linear-gradient(180deg,rgba(11,23,48,.9),rgba(7,15,30,.4));
  border-bottom:1px solid var(--line);
  padding:22px 0 20px;
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:.85rem;
  color:var(--text-3);
  margin-bottom:14px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent-2);}
.crumb .sep{color:rgba(120,180,255,.35);}
.crumb .current{
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--text-2);
}
.page-title{
  font-size:clamp(1.6rem,2.9vw,2.35rem);
  font-weight:800;
  line-height:1.32;
  max-width:960px;
  word-break:break-word;
}
.meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 16px;
  margin-top:16px;
  font-size:.85rem;
  color:var(--text-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(120,180,255,.35);}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--accent);
  background:rgba(47,227,208,.12);
  border:1px solid rgba(47,227,208,.22);
}
.badge-pill.gold{
  color:var(--gold);
  background:rgba(255,196,107,.12);
  border-color:rgba(255,196,107,.26);
}

/* ============ 正文布局 ============ */
.article-wrap{
  position:relative;
  z-index:1;
  padding:56px 0 72px;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px);
  justify-content:center;
  gap:44px;
}
.article-main{min-width:0;}

.glass-card{
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  position:relative;
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.glass-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  opacity:.5;
}

.article-body{
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:40px 44px 44px;
  font-size:1.0625rem;
  line-height:1.9;
  color:#DCE8FA;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:1.55rem;
  margin:44px 0 16px;
  padding-left:14px;
  position:relative;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--accent),rgba(47,227,208,.15));
}
.article-body h3{
  font-size:1.22rem;
  margin:32px 0 12px;
  color:var(--text-1);
}
.article-body h4{
  font-size:1.06rem;
  margin:24px 0 10px;
  color:var(--accent-2);
}
.article-body p{margin:0 0 18px;color:#CBD9EE;}
.article-body strong{color:#fff;font-weight:700;}
.article-body a{color:var(--accent-2);border-bottom:1px solid rgba(127,216,255,.35);}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.article-body ul,
.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li,
.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  color:#CBD9EE;
  line-height:1.78;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:4px;top:.75em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(47,227,208,.55);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc);
  position:absolute;
  left:0;top:.35em;
  width:18px;height:18px;
  border-radius:50%;
  font-size:.7rem;
  font-weight:700;
  color:var(--gold);
  border:1px solid rgba(255,196,107,.45);
  display:flex;
  align-items:center;
  justify-content:center;
  line-height:1;
}
.article-body img{
  border-radius:var(--r-md);
  margin:22px 0;
  border:1px solid var(--glass-border);
}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  border-left:3px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:rgba(47,227,208,.07);
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:.94rem;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  color:#CBD9EE;
}
.article-body th{
  background:rgba(14,42,85,.6);
  color:var(--text-1);
  font-weight:700;
  font-size:.88rem;
}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{
  border:none;
  height:1px;
  background:var(--line);
  margin:34px 0;
}

/* 侧栏目录 */
.article-aside{
  display:none;
  align-self:start;
  position:sticky;
  top:calc(var(--header-h) + 24px);
}
.toc-card{
  background:rgba(11,23,48,.82);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:20px 20px 18px;
  box-shadow:var(--shadow-card);
}
.toc-card h2{
  font-size:.82rem;
  letter-spacing:.12em;
  color:var(--text-3);
  font-weight:700;
  margin-bottom:14px;
}
.toc-card ol{counter-reset:toc;}
.toc-card li{margin-bottom:4px;}
.toc-card a{
  display:block;
  padding:8px 10px;
  border-radius:var(--r-xs);
  font-size:.88rem;
  color:var(--text-2);
  border-left:2px solid transparent;
  line-height:1.55;
  transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.toc-card a:hover{color:var(--text-1);background:rgba(127,216,255,.07);}
.toc-card a.is-current{
  color:var(--accent);
  border-left-color:var(--accent);
  background:rgba(47,227,208,.09);
}

/* 空态 */
.empty-state{
  background:var(--bg-2);
  border:1px dashed rgba(127,216,255,.28);
  border-radius:var(--r-lg);
  padding:64px 28px;
  text-align:center;
}
.empty-state .icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.7rem;
  color:var(--accent);
  background:rgba(47,227,208,.10);
  border:1px solid rgba(47,227,208,.25);
}
.empty-state h2{font-size:1.2rem;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:.94rem;margin-bottom:20px;}

/* 标签与结尾 */
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row .label{
  font-size:.82rem;
  color:var(--text-3);
  letter-spacing:.06em;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 14px;
  border-radius:var(--r-pill);
  font-size:.8rem;
  color:var(--text-2);
  background:rgba(19,38,68,.75);
  border:1px solid var(--glass-border);
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.tag:hover{
  color:var(--accent);
  border-color:rgba(47,227,208,.45);
  background:rgba(47,227,208,.08);
  transform:translateY(-2px);
}

.back-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  margin-top:32px;
  padding:22px 26px;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(14,42,85,.85),rgba(11,23,48,.9));
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
}
.back-bar p{margin:0;font-size:.92rem;color:var(--text-2);}
.back-bar .acts{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* 相关推荐 */
.related{
  margin-top:56px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
}
.section-head h2{
  font-size:1.35rem;
  display:flex;
  align-items:center;
  gap:10px;
}
.section-head h2::before{
  content:"";
  width:6px;height:20px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--accent),rgba(47,227,208,.2));
}
.section-head .sub{font-size:.85rem;color:var(--text-3);}
.related-list{
  display:grid;
  gap:14px;
}
.related-item{
  display:flex;
  gap:16px;
  align-items:center;
  padding:16px;
  border-radius:var(--r-md);
  background:rgba(19,38,68,.55);
  border:1px solid var(--glass-border);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.related-item:hover{
  transform:translateY(-3px);
  border-color:rgba(47,227,208,.32);
  box-shadow:var(--shadow-hover);
}
.related-item .thumb{
  flex:0 0 96px;
  width:96px;height:72px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:rgba(11,23,48,.9);
  border:1px solid var(--glass-border);
}
.related-item .thumb img{width:100%;height:100%;object-fit:cover;}
.related-item .txt{min-width:0;}
.related-item h3{
  font-size:1.02rem;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  word-break:break-word;
}
.related-item h3 a{color:var(--text-1);}
.related-item h3 a:hover{color:var(--accent-2);}
.related-item .meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:.8rem;
  color:var(--text-3);
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:24px;
  padding:64px 0 26px;
  background:linear-gradient(180deg,rgba(11,23,48,.6),rgba(6,12,24,.95));
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-col h4{
  font-size:.875rem;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col p{
  font-size:.88rem;
  color:var(--text-3);
  line-height:1.8;
  margin-bottom:12px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:.88rem;
  color:var(--text-2);
}
.footer-col ul a:hover{color:var(--accent-2);}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.qr-box{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-radius:var(--r-md);
  background:rgba(19,38,68,.6);
  border:1px solid var(--glass-border);
  font-size:.82rem;
  color:var(--text-2);
}
.qr-box i{font-size:1.6rem;color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-size:.82rem;
  color:var(--text-3);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom nav a{color:var(--text-3);}
.footer-bottom nav a:hover{color:var(--accent-2);}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{
    grid-template-columns:minmax(0,820px) 236px;
  }
  .article-aside{display:block;}
}
@media (max-width:1199.98px){
  .nav-search{width:190px;}
  .nav-menu a{padding:9px 9px;font-size:.9rem;}
}
@media (max-width:991.98px){
  .nav-inner{flex-wrap:wrap;}
  .nav-toggle{display:inline-flex;}
  .navbar-collapse{
    flex-basis:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:14px;
    padding:18px 0 22px;
    border-top:1px solid var(--line);
    margin-top:14px;
  }
  .navbar-collapse.show{display:flex;}
  .nav-menu{
    flex-direction:column;
    align-items:stretch;
    margin-left:0;
    gap:2px;
  }
  .nav-menu a{padding:12px 14px;font-size:.98rem;}
  .nav-menu a::after{left:14px;right:14px;bottom:6px;}
  .nav-actions{
    flex-direction:column;
    align-items:stretch;
    margin-left:0;
    gap:12px;
  }
  .nav-search{width:100%;}
  .nav-actions .btn-main,
  .nav-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-body{padding:32px 26px 34px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .article-wrap{padding:36px 0 52px;}
  .article-body{padding:26px 20px 28px;font-size:1rem;border-radius:var(--r-md);}
  .article-body h2{font-size:1.3rem;margin-top:34px;}
  .article-body h3{font-size:1.12rem;}
  .page-title{font-size:1.42rem;}
  .crumb .current{max-width:180px;}
  .related-item{flex-direction:row;padding:14px;}
  .related-item .thumb{flex:0 0 84px;width:84px;height:64px;}
  .related-item h3{font-size:.95rem;}
  .back-bar{padding:18px 18px;}
  .back-bar .acts{width:100%;}
  .back-bar .acts .btn-main{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding:48px 0 22px;}
  .glass-card{box-shadow:0 6px 22px rgba(3,10,24,.5);}
}
@media (max-width:519.98px){
  .brand-text{font-size:.98rem;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg-0:#070F1E;
  --bg-1:#0B1730;
  --bg-3:#0E1E3C;
  --bg-2:rgba(19,38,68,.72);
  --brand:#0E2A55;
  --brand-strong:#16407F;
  --accent:#2FE3D0;
  --accent-2:#7FD8FF;
  --gold:#FFC46B;
  --text-1:#EAF2FF;
  --text-2:#A9BDD9;
  --text-3:#6F86A6;
  --line:rgba(120,180,255,.14);
  --glass-border:rgba(255,255,255,.10);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 8px 32px rgba(3,10,24,.55);
  --shadow-hover:0 0 0 1px rgba(47,227,208,.30),0 14px 40px rgba(47,227,208,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent-2);text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease);}
a:hover{color:#fff;text-decoration:none;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.28;letter-spacing:-.01em;font-weight:700;color:var(--text-1);}
p{margin:0 0 16px;color:var(--text-2);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(47,227,208,.28);color:#fff;}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,15,30,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,13,26,.95);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(3,10,24,.55);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:10px;background:rgba(47,227,208,.10);border:1px solid var(--glass-border);}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{font-weight:700;font-size:1.05rem;color:var(--text-1);letter-spacing:-.01em;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;
  border-radius:var(--r-sm);background:rgba(255,255,255,.05);
  border:1px solid var(--glass-border);color:var(--text-1);font-size:1.35rem;
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}
.nav-menu{display:flex;flex-direction:column;gap:4px;margin:0;padding:0;}
.nav-menu a{
  display:block;font-size:.94rem;color:var(--text-2);
  padding:12px 10px;border-radius:var(--r-sm);position:relative;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-menu a:hover{color:var(--text-1);}
.nav-menu a.active{color:#fff;background:rgba(47,227,208,.10);}
.nav-actions{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
.nav-search{position:relative;display:flex;align-items:center;width:100%;}
.nav-search i{position:absolute;left:14px;color:var(--text-3);font-size:.9rem;pointer-events:none;}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);
  color:var(--text-1);padding:0 16px 0 38px;font-size:.875rem;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.08);box-shadow:0 0 0 3px rgba(47,227,208,.18);}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border:0;border-radius:var(--r-pill);
  font-weight:700;font-size:.95rem;color:#04121F;
  background:linear-gradient(135deg,#2FE3D0,#2AA7FF);
  box-shadow:0 0 22px rgba(47,227,208,.42);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
  cursor:pointer;text-align:center;
}
.btn-main:hover{color:#04121F;filter:brightness(1.08);box-shadow:0 0 34px rgba(47,227,208,.55);transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);box-shadow:0 0 16px rgba(47,227,208,.40);}
.btn-main:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.btn-main.sm{padding:9px 18px;font-size:.875rem;box-shadow:0 0 16px rgba(47,227,208,.34);}
.btn-main[disabled],.btn-main.disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--glass-border);
  color:var(--text-1);font-size:.95rem;font-weight:600;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
  cursor:pointer;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.btn-ghost.sm{padding:8px 16px;font-size:.85rem;}
.link-text{
  display:inline-block;color:var(--accent-2);font-weight:600;font-size:.92rem;
  position:relative;
}
.link-text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--accent-2);transition:width .25s var(--ease);
}
.link-text:hover::after{width:100%;}
.link-text:hover{color:#fff;}

/* ---------- 首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:112px 0 72px;
  text-align:center;
  background-image:linear-gradient(180deg,rgba(5,12,26,.82),rgba(7,15,30,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(120,180,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.07) 1px,transparent 1px);
  background-size:24px 24px;
}
.cat-hero::after{
  content:"";position:absolute;left:50%;top:-140px;width:680px;height:420px;
  transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(closest-side,rgba(47,227,208,.16),transparent 70%);
}
.hero-inner{position:relative;z-index:1;max-width:900px;margin-inline:auto;}
.crumb{
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px;
  font-size:.85rem;color:var(--text-3);margin-bottom:22px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--text-3);}
.crumb .cur{color:var(--accent);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(47,227,208,.12);color:var(--accent);
  font-size:.75rem;font-weight:600;letter-spacing:.04em;
  border:1px solid rgba(47,227,208,.24);margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(2.1rem,4vw,3.3rem);
  font-weight:800;margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--accent);}
.hero-lead{font-size:1.05rem;color:var(--text-2);max-width:660px;margin:0 auto 30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 胶囊标签条 ---------- */
.pill-bar-wrap{
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  padding:20px 0;
  position:relative;z-index:2;
}
.pill-bar{
  display:flex;flex-wrap:nowrap;gap:10px;justify-content:center;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:2px;
}
.pill-bar::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 20px;border-radius:var(--r-pill);
  background:rgba(19,38,68,.72);border:1px solid var(--glass-border);
  color:var(--text-2);font-size:.875rem;font-weight:600;white-space:nowrap;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),background .25s var(--ease);
}
.pill:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);background:rgba(47,227,208,.08);}
.pill:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

/* ---------- 区块通用 ---------- */
.section{padding:var(--sec-pad) 0;position:relative;}
.section.alt{background:var(--bg-1);}
.section.deep{background:var(--bg-3);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-inline:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.12em;
  color:var(--gold);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;}
.section-title{font-size:1.9rem;font-weight:700;}
.section-lead{font-size:1rem;color:var(--text-2);margin-bottom:0;}

/* ---------- 纵向大段落 ---------- */
.para-list{display:flex;flex-direction:column;gap:44px;}
.para{
  position:relative;
  padding:6px 0 6px 28px;
  border-left:4px solid var(--accent);
  border-radius:0 6px 6px 0;
  transition:border-color .25s var(--ease);
}
.para:hover{border-left-color:var(--gold);}
.para-title{font-size:1.3rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:12px;}
.para-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;flex:0 0 auto;
  border:1px solid rgba(255,196,107,.45);color:var(--gold);
  font-size:.8rem;font-weight:700;
}
.para-text{font-size:1rem;color:var(--text-2);margin-bottom:12px;}
.para-text:last-child{margin-bottom:0;}

/* ---------- 数据条 ---------- */
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--glass-border);border-radius:var(--r-lg);
  overflow:hidden;margin:64px 0 0;
  box-shadow:var(--shadow-card);
}
.data-item{
  background:var(--bg-2);
  padding:30px 26px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:background .25s var(--ease);
}
.data-item:hover{background:rgba(24,48,86,.82);}
.data-num{
  font-family:"Barlow","Inter",sans-serif;
  font-size:2.4rem;font-weight:800;line-height:1.1;
  color:var(--gold);letter-spacing:-.02em;margin-bottom:6px;
}
.data-label{font-size:.95rem;font-weight:700;color:var(--text-1);margin-bottom:4px;}
.data-note{font-size:.82rem;color:var(--text-3);line-height:1.7;margin:0;}

/* ---------- 上手顺序 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.step-card{
  position:relative;
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,208,.30);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(255,196,107,.40);
  color:var(--gold);font-family:"Barlow","Inter",sans-serif;
  font-size:1.1rem;font-weight:800;margin-bottom:16px;
}
.step-title{font-size:1.08rem;font-weight:700;margin-bottom:10px;}
.step-text{font-size:.92rem;color:var(--text-2);margin:0;line-height:1.8;}

/* ---------- 图文横幅 ---------- */
.banner-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
}
.banner-card img{width:100%;height:380px;object-fit:cover;background:#0A1730;}
.banner-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,12,26,.25) 0%,rgba(5,12,26,.72) 55%,rgba(5,12,26,.94) 100%);
}
.banner-copy{
  position:absolute;left:0;right:0;bottom:0;
  padding:36px;max-width:760px;
}
.banner-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(255,196,107,.14);color:var(--gold);
  font-size:.75rem;font-weight:700;margin-bottom:12px;
  border:1px solid rgba(255,196,107,.28);
}
.banner-copy h3{font-size:1.35rem;margin-bottom:10px;color:#fff;}
.banner-copy p{color:rgba(233,242,255,.82);font-size:.94rem;margin:0;max-width:640px;}
.banner-side{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:24px;}
.side-card{
  background:var(--bg-2);border:1px solid var(--glass-border);
  border-radius:var(--r-md);padding:24px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.side-card h4{font-size:1.05rem;display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.side-card h4 i{color:var(--accent);font-size:1.15rem;}
.side-card p{font-size:.9rem;color:var(--text-2);margin:0;}

/* ---------- 常见问题 ---------- */
.faq-acc .accordion-item{
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-acc .accordion-item:hover{border-color:rgba(47,227,208,.28);}
.faq-acc .accordion-button{
  background:transparent;color:var(--text-1);
  font-weight:600;font-size:1rem;
  padding:20px 26px;border:0;box-shadow:none;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:#fff;background:rgba(47,227,208,.07);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(255,196,107,.55);}
.faq-acc .accordion-button::after{
  content:"";background-image:none;width:10px;height:10px;
  border-right:2px solid var(--accent-2);border-bottom:2px solid var(--accent-2);
  transform:rotate(45deg);transition:transform .25s var(--ease),border-color .25s var(--ease);
  flex:0 0 auto;margin-left:16px;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--accent);}
.faq-acc .accordion-body{padding:4px 26px 24px;color:var(--text-2);font-size:.94rem;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-section{position:relative;overflow:hidden;padding:var(--sec-pad) 0;background:var(--bg-1);}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,15,30,.90),rgba(7,15,30,.96)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-section::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:520px;height:520px;
  background:radial-gradient(closest-side,rgba(255,196,107,.14),transparent 70%);
  pointer-events:none;
}
.cta-panel{
  position:relative;z-index:1;
  background:rgba(11,23,48,.72);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:48px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.cta-panel h2{font-size:1.9rem;margin-bottom:14px;}
.cta-copy p{font-size:.98rem;color:var(--text-2);margin-bottom:22px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.cta-form .form-label{font-size:.85rem;color:var(--text-2);margin-bottom:8px;font-weight:600;}
.form-input{
  width:100%;height:52px;border-radius:var(--r-md);
  background:rgba(7,15,30,.72);
  border:1px solid var(--glass-border);
  color:var(--text-1);font-size:.95rem;padding:0 18px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.form-input::placeholder{color:var(--text-3);}
.form-input:focus{outline:none;border-color:var(--accent);background:rgba(7,15,30,.92);box-shadow:0 0 0 3px rgba(47,227,208,.20);}
.form-note{font-size:.8rem;color:var(--text-3);margin:14px 0 0;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:#050B16;border-top:1px solid var(--line);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{font-size:.875rem;color:var(--text-1);font-weight:700;letter-spacing:.04em;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.9rem;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:.88rem;color:var(--text-3);line-height:1.8;margin-bottom:12px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.qr-box{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:var(--r-md);
  background:rgba(19,38,68,.72);border:1px solid var(--glass-border);
  color:var(--text-2);font-size:.85rem;
}
.qr-box i{color:var(--accent);font-size:1.15rem;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:.82rem;color:var(--text-3);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  #navMain{display:flex !important;align-items:center;flex:1 1 auto;gap:24px;}
  .nav-menu{flex-direction:row;gap:26px;align-items:center;margin-left:24px;}
  .nav-menu a{padding:8px 0;border-radius:0;}
  .nav-menu a::after{
    content:"";position:absolute;left:50%;bottom:-2px;height:2px;width:0;
    background:var(--accent);transform:translateX(-50%);
    transition:width .25s var(--ease);
  }
  .nav-menu a:hover::after{width:100%;}
  .nav-menu a.active{background:transparent;}
  .nav-menu a.active::after{width:100%;}
  .nav-actions{flex-direction:row;align-items:center;gap:12px;margin-top:0;margin-left:auto;}
  .nav-search{width:auto;}
  .nav-search input{width:228px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  #navMain.collapse{
    display:block !important;
    position:fixed;top:72px;right:0;bottom:0;
    width:min(88vw,360px);
    background:#0A1730;
    border-left:1px solid var(--line);
    padding:24px 20px 48px;
    overflow-y:auto;
    transform:translateX(102%);
    visibility:hidden;
    transition:transform .3s var(--ease),visibility .3s var(--ease);
    z-index:1040;
  }
  #navMain.collapse.show{transform:translateX(0);visibility:visible;}
  #navMain.collapsing{
    display:block !important;position:fixed;top:72px;right:0;bottom:0;
    width:min(88vw,360px);height:auto !important;background:#0A1730;
    transform:translateX(0);visibility:visible;z-index:1040;
  }
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .data-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  body{line-height:1.8;}
  .cat-hero{padding:88px 0 56px;}
  .section{padding:56px 0;}
  .section-title{font-size:1.5rem;}
  .cta-panel{padding:28px 22px;}
  .cta-panel h2{font-size:1.5rem;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;}
  .para{padding-left:20px;}
  .para-title{font-size:1.14rem;}
  .data-strip{grid-template-columns:1fr;}
  .data-item{padding:22px;}
  .step-grid{grid-template-columns:1fr;}
  .banner-card img{height:300px;}
  .banner-copy{padding:24px;}
  .banner-side{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-acc .accordion-button{padding:16px 18px;font-size:.95rem;}
  .faq-acc .accordion-body{padding:0 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070F1E;
  --bg-1:#0B1730;
  --bg-1b:#0E1E3C;
  --bg-2:rgba(19,38,68,.72);
  --brand:#0E2A55;
  --brand-strong:#16407F;
  --accent:#2FE3D0;
  --accent-2:#7FD8FF;
  --gold:#FFC46B;
  --text-1:#EAF2FF;
  --text-2:#A9BDD9;
  --text-3:#6F86A6;
  --line:rgba(120,180,255,.14);
  --glass-border:rgba(255,255,255,.10);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 8px 32px rgba(3,10,24,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-hover:0 0 0 1px rgba(47,227,208,.30), 0 14px 40px rgba(47,227,208,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:.25s var(--ease);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.28;letter-spacing:-.01em;font-weight:700;color:var(--text-1)}
h1{font-size:clamp(2.1rem,4vw,3.3rem);font-weight:800}
h2{font-size:1.9rem}
h3{font-size:1.3rem}
h4{font-size:1.1rem}
p{margin:0 0 16px;color:var(--text-2)}
ul,ol{margin:0;padding:0}
a{color:var(--accent-2);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,15,30,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.scrolled{
  background:rgba(6,12,26,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(3,10,24,.5);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.navbar .nav-inner{display:flex;align-items:center;gap:22px;flex-wrap:nowrap;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand:hover{color:#fff;text-decoration:none}
.brand-mark{
  width:32px;height:32px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(47,227,208,.20),rgba(22,64,127,.55));
  border:1px solid var(--glass-border);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-weight:700;font-size:1.05rem;letter-spacing:-.01em;white-space:nowrap}
.navbar-collapse{flex:1 1 auto}
.nav-menu{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;
  color:var(--text-2);font-size:.95rem;font-weight:500;white-space:nowrap;
  transition:color var(--t);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);transform-origin:center;
  transition:transform var(--t);
}
.nav-menu a:hover{color:var(--text-1);text-decoration:none}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;font-weight:700}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:13px;font-size:.9rem;color:var(--text-3);pointer-events:none}
.nav-search input{
  width:212px;padding:10px 14px 10px 36px;border-radius:var(--r-pill);
  border:1px solid var(--glass-border);background:rgba(7,15,30,.6);
  color:var(--text-1);font-size:.875rem;transition:border-color var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,227,208,.18)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;border-radius:12px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.04);
  color:var(--text-1);font-size:1.35rem;line-height:1;cursor:pointer;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.nav-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
@media (min-width:992px) and (max-width:1199.98px){
  .nav-menu{gap:14px}
  .nav-menu a{font-size:.86rem}
  .nav-search{display:none}
}

/* ============ 按钮体系 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border:0;border-radius:var(--r-pill);
  font-size:.95rem;font-weight:700;color:#04121F;
  background:linear-gradient(135deg,#2FE3D0,#2AA7FF);
  box-shadow:0 0 22px rgba(47,227,208,.42);
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-main:hover{
  color:#04121F;text-decoration:none;filter:brightness(1.08);
  box-shadow:0 0 34px rgba(47,227,208,.55);transform:translateY(-2px);
}
.btn-main:active{transform:translateY(0);box-shadow:0 0 16px rgba(47,227,208,.40)}
.btn-main:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-main.sm{padding:9px 18px;font-size:.85rem}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);
  border:1px solid var(--glass-border);background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  color:var(--text-1);font-size:.9rem;font-weight:600;
  transition:border-color var(--t),color var(--t),background var(--t),transform var(--t);
}
.btn-ghost:hover{
  border-color:var(--accent);color:#fff;background:rgba(47,227,208,.08);
  text-decoration:none;transform:translateY(-2px);
}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-ghost.sm{padding:8px 16px;font-size:.85rem}
.link-more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding-bottom:2px;color:var(--accent-2);font-size:.95rem;font-weight:600;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:width .25s var(--ease);
}
.link-more:hover{color:#fff;text-decoration:none}
.link-more:hover::after{width:100%}
.link-more:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ============ 通用标签 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:18px;border-radius:var(--r-pill);
  background:rgba(47,227,208,.12);color:var(--accent);
  font-size:.75rem;font-weight:600;letter-spacing:.04em;
}
.eyebrow.gold{background:rgba(255,196,107,.14);color:var(--gold)}

/* ============ 分类首屏 ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--bg-1)}
.cat-hero .hero-bg{
  position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cat-hero .hero-veil{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(7,15,30,.76) 0%,rgba(7,15,30,.88) 100%);
}
.cat-hero .hero-lines{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,180,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,255,.07) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);
  mask-image:linear-gradient(180deg,#000,transparent 82%);
}
.cat-hero .hero-glow{
  position:absolute;top:-200px;right:-140px;width:560px;height:560px;z-index:2;
  background:radial-gradient(circle,rgba(47,227,208,.18),transparent 62%);
  pointer-events:none;
}
.cat-hero .hero-content{position:relative;z-index:3;padding:40px 20px 66px;min-height:320px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:24px;font-size:.85rem;color:var(--text-3);
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent);text-decoration:none}
.crumbs .sep{opacity:.55}
.cat-hero h1{margin-bottom:14px}
.hero-sub{max-width:660px;margin-bottom:28px;font-size:1.05rem;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 板块骨架 ============ */
.section{position:relative;padding:96px 0}
.section-alt{background:var(--bg-1)}
.section-alt-2{background:var(--bg-1b)}
.section-head{max-width:740px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p:last-child{margin-bottom:0}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
  h2{font-size:1.6rem}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .cat-hero .hero-content{padding:28px 20px 54px;min-height:0}
}

/* ============ 左文右图 ============ */
.check-list{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;color:var(--text-2);line-height:1.7}
.check-list li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 10px rgba(47,227,208,.5);
}
.media-frame{
  margin:0;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--glass-border);background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-1)}
.media-frame figcaption{
  padding:14px 18px;border-top:1px solid var(--line);
  font-size:.85rem;color:var(--text-3);
}

/* ============ 要点网格 ============ */
.point-card{
  height:100%;padding:26px 24px;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,208,.35)}
.point-card .pc-icon{
  width:46px;height:46px;margin-bottom:18px;border-radius:14px;
  display:grid;place-items:center;font-size:1.25rem;color:var(--accent);
  background:rgba(47,227,208,.10);border:1px solid rgba(47,227,208,.22);
}
.point-card h3{font-size:1.15rem;margin-bottom:10px}
.point-card p{margin:0;font-size:.95rem;line-height:1.75}

/* ============ 步骤时间线 ============ */
.timeline{position:relative;list-style:none;margin:0;padding:0 0 0 34px;border-left:1px solid var(--line)}
.timeline li{position:relative;padding-bottom:34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-40px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--accent);
  box-shadow:0 0 12px rgba(47,227,208,.6);
}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.step-num{
  display:inline-grid;place-items:center;width:36px;height:36px;flex:0 0 auto;
  border-radius:50%;border:1px solid rgba(255,196,107,.5);
  color:var(--gold);font-size:.9rem;font-weight:700;letter-spacing:.02em;
}
.step-head h3{margin:0;font-size:1.2rem}
.timeline p{margin-bottom:10px}
.step-note{margin:0;font-size:.9rem;color:var(--text-3)}
.step-note i{color:var(--gold);margin-right:6px}

/* ============ 排查表 ============ */
.table-wrap{
  overflow-x:auto;border-radius:var(--r-lg);
  border:1px solid var(--glass-border);background:var(--bg-2);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.diag-table{width:100%;min-width:720px;border-collapse:collapse}
.diag-table th{
  padding:16px 22px;text-align:left;white-space:nowrap;
  background:rgba(14,42,85,.55);
  border-bottom:1px solid var(--line);
  color:var(--text-3);font-size:.85rem;font-weight:600;letter-spacing:.02em;
}
.diag-table td{
  padding:16px 22px;border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:.95rem;line-height:1.7;
}
.diag-table td:first-child{color:var(--text-1);font-weight:600}
.diag-table tbody tr{transition:background var(--t)}
.diag-table tbody tr:hover{background:rgba(47,227,208,.05)}
.diag-table tbody tr:last-child td{border-bottom:0}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px}
.faq .accordion-item{
  border:1px solid var(--glass-border);border-radius:var(--r-md);overflow:hidden;
  background:var(--bg-2);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.faq .accordion-button{
  position:relative;width:100%;padding:20px 58px 20px 22px;
  border:0;background:transparent;box-shadow:none;
  color:var(--text-1);font-size:1rem;font-weight:600;text-align:left;line-height:1.6;
  transition:background var(--t),box-shadow var(--t),color var(--t);
}
.faq .accordion-button:not(.collapsed){
  color:#fff;background:rgba(47,227,208,.07);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid rgba(255,196,107,.65);outline-offset:-2px}
.faq .accordion-button::after{
  content:"";position:absolute;right:26px;top:26px;width:10px;height:10px;
  margin:0;background-image:none;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(45deg);transition:transform var(--t);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq .accordion-body{
  padding:0 22px 22px;color:var(--text-2);font-size:.95rem;line-height:1.85;
  border-top:1px solid var(--line);padding-top:16px;
}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;padding:52px;
  border-radius:24px;border:1px solid var(--glass-border);
  background:linear-gradient(135deg,rgba(14,42,85,.88),rgba(11,23,48,.92));
  box-shadow:var(--shadow-card);
}
.cta-panel .cta-bg{
  position:absolute;inset:0;z-index:0;opacity:.18;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-panel .cta-glow-a{
  position:absolute;top:-160px;left:-120px;width:460px;height:460px;z-index:1;
  background:radial-gradient(circle,rgba(47,227,208,.20),transparent 62%);
}
.cta-panel .cta-glow-b{
  position:absolute;bottom:-180px;right:-100px;width:420px;height:420px;z-index:1;
  background:radial-gradient(circle,rgba(255,196,107,.16),transparent 62%);
}
.cta-panel .cta-inner{position:relative;z-index:2}
.cta-panel h2{margin-bottom:14px}
.cta-panel .cta-note{margin:0;font-size:.9rem;color:var(--text-3)}
.cta-form{display:grid;gap:12px}
.cta-form label{font-size:.85rem;color:var(--text-3);margin-bottom:-4px}
.cta-form input{
  width:100%;padding:14px 16px;border-radius:var(--r-md);
  border:1px solid var(--glass-border);background:rgba(7,15,30,.68);
  color:var(--text-1);font-size:.95rem;
  transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(47,227,208,.28)}
.form-note{margin:14px 0 0;font-size:.8rem;color:var(--text-3);line-height:1.7}
@media (max-width:991.98px){
  .cta-panel{padding:36px 26px}
}
@media (max-width:767.98px){
  .cta-panel{padding:30px 20px;border-radius:20px}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;padding:64px 0 0;
  background:linear-gradient(180deg,#08111F,#060C18);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col h4{margin-bottom:16px;font-size:.875rem;letter-spacing:.02em;color:var(--text-1)}
.footer-col p{font-size:.9rem;color:var(--text-3);line-height:1.8}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col ul a{color:var(--text-2);font-size:.9rem}
.footer-col ul a:hover{color:var(--accent);text-decoration:none}
.qr-box{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:18px;padding:13px 16px;border-radius:var(--r-md);
  border:1px dashed var(--line);color:var(--text-3);font-size:.85rem;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  font-size:.85rem;color:var(--text-3);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent);text-decoration:none}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ============ 入场动效 ============ */
html.js [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.js [data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js [data-reveal]{opacity:1;transform:none}
}

/* ============ 移动端导航抽屉 ============ */
@keyframes drawerIn{from{opacity:0;transform:translateX(26px)}to{opacity:1;transform:none}}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .navbar-collapse{
    position:fixed;top:72px;right:0;bottom:0;left:auto;z-index:1040;
    width:min(88vw,380px);
    padding:24px 20px 40px;overflow-y:auto;
    background:#0A1526;border-left:1px solid var(--line);
    box-shadow:-24px 0 48px rgba(3,10,24,.6);
    display:none;
  }
  .navbar-collapse.show,.navbar-collapse.collapsing{display:block!important}
  .navbar-collapse.collapsing{height:auto!important}
  .navbar-collapse.show{animation:drawerIn .3s var(--ease)}
  .nav-menu{flex-direction:column;align-items:stretch;gap:0}
  .nav-menu li{border-bottom:1px solid var(--line)}
  .nav-menu a{display:block;padding:15px 4px;font-size:1rem;white-space:normal}
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--accent)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:22px}
  .nav-search{width:100%}
  .nav-search input{width:100%}
  .btn-ghost.sm,.btn-main.sm{justify-content:center;padding:12px 18px;font-size:.92rem}
}