/* roulang page: index */
:root{
  --bg-0:#05070F;
  --bg-1:#0A0F1F;
  --bg-2:#0E1526;
  --primary:#2FE3C8;
  --primary-strong:#16B79F;
  --primary-soft:rgba(47,227,200,.14);
  --accent:#FF4D8D;
  --accent-2:#FFC24B;
  --t1:#EAF0FF;
  --t2:#A9B6D2;
  --t3:#6D7B9A;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.07);
  --glass:rgba(18,28,52,.55);
  --glass-soft:rgba(255,255,255,.05);
  --r-card:18px;
  --r-lg:24px;
  --r-sm:12px;
  --sh-1:0 6px 24px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(47,227,200,.35),0 10px 30px rgba(47,227,200,.28);
  --sh-accent:0 0 0 1px rgba(255,77,141,.35),0 10px 28px rgba(255,77,141,.26);
  --ease:cubic-bezier(.22,.68,.32,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--t2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(circle at 70% 0%,rgba(0,0,0,.9),transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 0%,rgba(0,0,0,.9),transparent 72%);
}
body::after{
  content:"";position:fixed;top:-260px;right:-200px;width:760px;height:760px;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(47,227,200,.20),rgba(47,227,200,0) 68%);
}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,227,200,.28);color:#fff}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.section{padding:96px 0;position:relative;z-index:2}
.section.alt{background:var(--bg-2)}
.section.alt2{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3}
.section-desc{margin-top:10px;font-size:15px;color:var(--t3);max-width:44em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.4px;color:var(--primary);text-transform:uppercase;font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);display:inline-block}

/* 顶部通知条 */
.topbar{
  background:rgba(47,227,200,.12);
  border-bottom:1px solid rgba(47,227,200,.18);
  font-size:13px;color:var(--t2);
  position:relative;z-index:60;
}
.topbar-inner{display:flex;align-items:center;gap:14px;height:34px}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(47,227,200,.16);flex:none}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-links{margin-left:auto;display:flex;gap:18px;align-items:center}
.topbar-links a{color:var(--t3);font-size:12.5px}
.topbar-links a:hover{color:var(--primary)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  transition:background .28s var(--ease),box-shadow .28s var(--ease),height .28s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(8,12,24,.72);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:76px;transition:height .28s var(--ease)}
.site-header.scrolled .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:30px;height:30px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-strong) 100%);
  border-radius:9px;
  box-shadow:0 0 0 1px rgba(47,227,200,.45),0 8px 22px rgba(47,227,200,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;
  background:linear-gradient(135deg,rgba(5,18,26,.9),rgba(5,18,26,.35));
  transform:rotate(45deg);
}
.brand-text{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:.4px;white-space:nowrap}
.brand-text:hover{color:var(--primary)}

.nav-search{
  flex:1 1 auto;max-width:560px;min-width:260px;
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  padding:6px 6px 6px 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-glow);background:rgba(255,255,255,.08)}
.nav-search svg{width:18px;height:18px;flex:none;stroke:var(--t3)}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:var(--t1);font-size:14.5px;padding:6px 0;
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{
  flex:none;border:0;border-radius:999px;padding:9px 20px;
  background:var(--primary);color:#05121A;font-weight:600;font-size:14px;
  cursor:pointer;transition:transform .18s var(--ease),filter .18s var(--ease);
}
.nav-search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-search button:active{transform:translateY(1px);filter:brightness(.94)}

.nav-links{display:flex;align-items:center;gap:16px;flex:none;margin-left:auto}
.nav-link{
  position:relative;font-size:14px;color:var(--t2);padding:6px 0;white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--primary);
  transition:right .16s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--t1)}
.nav-link.active::after{right:0}
.dot-ind{width:6px;height:6px;border-radius:50%;background:var(--t3);flex:none}
.nav-link:hover .dot-ind,.nav-link.active .dot-ind{background:var(--primary)}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#05121A;border:0;
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;
  box-shadow:var(--sh-glow);cursor:pointer;
  transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{color:#05121A;filter:brightness(1.08);transform:translateY(-2px)}
.btn-main:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.06);color:var(--t1);
  border:1px solid rgba(47,227,200,.45);border-radius:12px;
  padding:11px 24px;font-size:15px;font-weight:500;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{color:var(--t1);background:rgba(47,227,200,.12);border-color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.94)}
.btn-promo{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#1A0310;border:0;border-radius:999px;
  padding:12px 26px;font-size:15px;font-weight:700;box-shadow:var(--sh-accent);cursor:pointer;
  transition:transform .2s var(--ease),filter .2s var(--ease);
}
.btn-promo:hover{color:#1A0310;filter:brightness(1.07);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14.5px;font-weight:600;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}
.btn-nav{padding:10px 20px;font-size:14px}

.hamburger{
  display:none;flex:none;width:44px;height:44px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);border-radius:12px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--t1);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-search{display:none;padding:0 24px 12px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  min-height:620px;display:flex;align-items:center;
  background-image:linear-gradient(120deg,rgba(5,7,15,.92) 0%,rgba(5,7,15,.80) 46%,rgba(47,227,200,.16) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(to top,var(--bg-1),transparent);
  pointer-events:none;
}
.hero-inner{display:grid;grid-template-columns:repeat(12,1fr);gap:28px;align-items:center;padding:96px 0 88px;position:relative;z-index:3}
.hero-copy{grid-column:span 6}
.hero-status{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(47,227,200,.32);
  border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero-status i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block;box-shadow:0 0 0 4px rgba(47,227,200,.18)}
.hero h1{
  font-size:clamp(28px,4.2vw,50px);line-height:1.22;font-weight:800;color:#fff;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:clamp(15px,1.4vw,18px);color:var(--t2);margin-bottom:26px;max-width:34em}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:34px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t2)}
.hero-points svg{width:16px;height:16px;stroke:var(--primary);flex:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-card{
  grid-column:span 6;
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  position:relative;transform:rotate(-2deg) translateY(-6px);
  transition:transform .35s var(--ease);
  max-width:560px;margin-left:auto;width:100%;
}
.hero-card::before{
  content:"";position:absolute;left:20px;right:20px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(47,227,200,.4),rgba(47,227,200,0));
}
.hero-card:hover{transform:rotate(0deg) translateY(-12px)}
.hero-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.hero-card-top h2{font-size:18px}
.badge-promo{
  font-size:12px;font-weight:600;color:#2B0316;
  background:var(--accent);border-radius:999px;padding:5px 12px;
  box-shadow:var(--sh-accent);white-space:nowrap;
}
.snap-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 0;border-bottom:1px solid var(--line-soft);
}
.snap-list li:last-child{border-bottom:0}
.snap-label{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--t2)}
.snap-label svg{width:17px;height:17px;stroke:var(--primary);flex:none}
.snap-value{font-size:15px;font-weight:700;color:var(--t1);font-variant-numeric:tabular-nums}
.hero-card-foot{margin-top:16px;font-size:12.5px;color:var(--t3);padding-top:14px;border-top:1px dashed var(--line-soft)}

/* 数据徽章 */
.stats-strip{padding:34px 0 6px;position:relative;z-index:3}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat-item{
  background:rgba(255,255,255,.035);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:20px 14px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.stat-item:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.35);background:rgba(47,227,200,.06)}
.stat-num{font-size:28px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:14px;font-weight:600;color:var(--primary);margin-left:2px}
.stat-label{font-size:13px;color:var(--t3);margin-top:6px}

/* 阶梯 */
.ladder{display:flex;flex-direction:column;gap:18px}
.ladder-step{
  position:relative;display:flex;align-items:center;gap:24px;
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 26px;overflow:hidden;
  background:rgba(255,255,255,.03);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.ladder-step:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.4)}
.ladder-step .ladder-num{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:80px;font-weight:800;color:rgba(47,227,200,.08);letter-spacing:-2px;
  font-variant-numeric:tabular-nums;pointer-events:none;line-height:1;
}
.ladder-step h3{font-size:20px;margin-bottom:6px}
.ladder-step .gate{font-size:13.5px;color:var(--t3);margin-bottom:10px}
.ladder-benefits{display:flex;flex-wrap:wrap;gap:6px 18px}
.ladder-benefits li{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--t2)}
.ladder-benefits svg{width:15px;height:15px;stroke:var(--primary);flex:none}
.ladder-body{flex:1;min-width:0}
.ladder-step .btn-main,.ladder-step .btn-ghost{flex:none;position:relative;z-index:2}
.ladder-step.s1{height:96px;margin-left:0;background:rgba(47,227,200,.05);margin-right:96px}
.ladder-step.s2{height:120px;margin-left:32px;background:rgba(47,227,200,.08);margin-right:64px}
.ladder-step.s3{height:144px;margin-left:64px;background:rgba(47,227,200,.11);margin-right:32px}
.ladder-step.s4{height:168px;margin-left:96px;background:rgba(47,227,200,.14);box-shadow:var(--sh-glow);border-color:rgba(47,227,200,.4)}

/* 对比表 */
.compare-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(255,255,255,.03);overflow:hidden;position:relative;
}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;border-collapse:collapse;min-width:640px}
table.compare th,table.compare td{padding:18px 22px;text-align:center;font-size:14.5px;border-bottom:1px solid var(--line-soft)}
table.compare thead th{font-size:15px;color:var(--t1);font-weight:700;background:rgba(255,255,255,.04)}
table.compare th:first-child,table.compare td:first-child{
  text-align:left;color:var(--t3);font-weight:500;position:sticky;left:0;
  background:rgba(10,15,31,.94);backdrop-filter:blur(8px);z-index:2;
}
table.compare tbody tr:hover td{background:rgba(255,255,255,.04)}
table.compare tbody tr:last-child td{border-bottom:0}
.col-rec{position:relative;background:rgba(47,227,200,.07)}
thead .col-rec{
  box-shadow:inset 1px 0 0 rgba(47,227,200,.45),inset -1px 0 0 rgba(47,227,200,.45);
  border-top:2px solid var(--primary);transform:translateY(-10px);
}
tbody .col-rec{box-shadow:inset 1px 0 0 rgba(47,227,200,.28),inset -1px 0 0 rgba(47,227,200,.28)}
.rec-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#2B0316;font-size:12px;font-weight:700;
  border-radius:999px;padding:4px 14px;box-shadow:var(--sh-accent);white-space:nowrap;
}
.rec-head{padding-top:26px !important}
.icon-yes{width:18px;height:18px;stroke:var(--primary)}
.icon-no{width:18px;height:18px;stroke:var(--t3);opacity:.6}
.compare-note{margin-top:18px;font-size:13px;color:var(--t3);display:flex;gap:14px;align-items:center;flex-wrap:wrap}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;position:relative;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card::before{
  content:"";position:absolute;left:16px;right:16px;top:0;height:2px;
  background:linear-gradient(90deg,rgba(47,227,200,.4),rgba(47,227,200,0));
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.4);box-shadow:var(--sh-glow)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.04)}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;
  border-radius:12px;border:1px solid rgba(255,255,255,.08);
  transition:transform .32s var(--ease);
}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-cat{
  position:absolute;left:12px;top:12px;font-size:12px;color:var(--t1);
  background:rgba(10,15,31,.72);border:1px solid rgba(47,227,200,.5);
  border-radius:999px;padding:4px 12px;backdrop-filter:blur(6px);
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:18px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-body h3{color:var(--primary)}
.news-sum{
  font-size:14px;color:var(--t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--t3);padding-top:14px;border-top:1px solid var(--line-soft)}
.news-meta .arrow{display:inline-flex;align-items:center;gap:5px;color:var(--primary);font-weight:600}
.news-meta .arrow svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.news-card:hover .news-meta .arrow svg{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 20px;
  background:rgba(255,255,255,.03);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:48px;height:48px;stroke:var(--t3);margin:0 auto 18px}
.empty-state p{font-size:15px;color:var(--t2);margin-bottom:20px}

/* 使用反馈 */
.feedback{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:stretch}
.fb-main{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;position:relative;display:flex;flex-direction:column;justify-content:center;
}
.fb-main::before{content:"“";position:absolute;top:8px;left:24px;font-size:70px;color:rgba(47,227,200,.22);font-family:Georgia,serif;line-height:1}
.fb-main blockquote{margin:0;font-size:17px;line-height:1.9;color:var(--t1);padding-left:18px;border-left:3px solid var(--primary)}
.fb-author{margin-top:22px;display:flex;align-items:center;gap:12px;padding-left:18px}
.fb-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-strong));display:flex;align-items:center;justify-content:center;color:#05121A;font-weight:800;font-size:15px;flex:none}
.fb-author strong{display:block;color:var(--t1);font-size:14.5px}
.fb-author span{font-size:12.5px;color:var(--t3)}
.fb-side{display:flex;flex-direction:column;gap:24px}
.fb-card{
  flex:1;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:22px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.fb-card:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.35)}
.fb-card p{font-size:14.5px;color:var(--t2);margin-bottom:12px}
.fb-card .tag{font-size:12px;color:var(--primary);border:1px solid rgba(47,227,200,.4);border-radius:999px;padding:3px 10px;display:inline-block}

/* 限时入口通栏 */
.limited{
  position:relative;overflow:hidden;padding:56px 0;
  background-image:repeating-linear-gradient(115deg,rgba(255,77,141,.08) 0px,rgba(255,77,141,.08) 18px,rgba(255,194,75,.08) 18px,rgba(255,194,75,.08) 36px),linear-gradient(rgba(5,7,15,.78),rgba(5,7,15,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:auto,auto,cover;background-position:center;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.limited-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.limited-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  color:#2B0316;background:var(--accent);border-radius:999px;padding:5px 14px;
  box-shadow:var(--sh-accent);margin-bottom:16px;
}
.limited h2{font-size:clamp(22px,2.5vw,30px);margin-bottom:8px}
.limited p{font-size:14.5px;color:var(--t2);max-width:38em}
.countdown{display:flex;align-items:center;gap:10px;margin-top:20px}
.cd-group{
  background:rgba(10,15,31,.72);border:1px solid var(--line);border-radius:14px;
  padding:10px 16px;text-align:center;min-width:76px;
}
.cd-num{font-size:48px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums;line-height:1}
.cd-label{font-size:12px;color:var(--t3);margin-top:4px}
.cd-sep{color:var(--accent);font-size:32px;font-weight:800;line-height:1;padding-bottom:16px}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:960px}
.faq-item{background:rgba(255,255,255,.04);border:0;border-radius:14px;overflow:hidden;transition:background .2s var(--ease)}
.faq-item:hover{background:rgba(255,255,255,.06)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:18px 22px 18px 34px;position:relative;
  font-size:16px;font-weight:600;color:var(--t1);line-height:1.6;
}
.faq-q::before{
  content:"";position:absolute;left:16px;top:24px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);transition:transform .2s var(--ease);
}
.faq-q[aria-expanded="true"]{color:var(--primary)}
.faq-q[aria-expanded="true"]::after{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--primary);
}
.faq-q:not(.collapsed)::before{transform:scale(1.5)}
.faq-a{padding:0 22px 20px 34px;font-size:15px;line-height:1.85;color:var(--t2);position:relative}
.faq-a::after{content:"";position:absolute;left:34px;right:22px;top:0;height:1px;background:var(--line-soft)}

/* 表单 */
.consult{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start}
.consult-aside{
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;position:relative;
}
.consult-aside::before{content:"";position:absolute;left:24px;right:24px;top:0;height:2px;background:linear-gradient(90deg,rgba(47,227,200,.4),rgba(47,227,200,0))}
.consult-aside h3{font-size:20px;margin-bottom:18px}
.consult-benefits{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.consult-benefits li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);line-height:1.7}
.consult-benefits svg{width:17px;height:17px;stroke:var(--primary);flex:none;margin-top:4px}
.badge-soft{font-size:12px;border-radius:999px;padding:4px 12px;display:inline-block;border:1px solid rgba(255,194,75,.5);color:var(--accent-2)}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:32px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--t3);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:46px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:12px;color:var(--t1);
  padding:0 15px;font-size:14.5px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 15px;resize:vertical;line-height:1.7}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236D7B9A' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center}
.field select option{background:#0E1526;color:var(--t1)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:var(--sh-glow);background:rgba(255,255,255,.08)}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field.error input,.field.error select,.field.error textarea{border-color:var(--accent);box-shadow:0 0 0 1px rgba(255,77,141,.35)}
.field-hint{font-size:12.5px;color:var(--accent);margin-top:6px;min-height:16px}
.form-note{font-size:12.5px;color:var(--t3);margin-top:12px;text-align:center}

/* CTA 细条 */
.cta-bar{
  background:rgba(47,227,200,.08);border:1px solid rgba(47,227,200,.28);
  border-radius:var(--r-lg);padding:26px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.cta-bar strong{display:block;color:var(--t1);font-size:18px;margin-bottom:4px}
.cta-bar span{font-size:14px;color:var(--t2)}

/* 页脚 */
.site-footer{background:var(--bg-0);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:var(--t3);line-height:1.8;margin-bottom:18px;max-width:30em}
.footer-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:5px 5px 5px 14px;max-width:320px}
.footer-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--t1);font-size:13.5px;padding:6px 0}
.footer-search input::placeholder{color:var(--t3)}
.footer-search button{border:0;background:var(--primary);color:#05121A;border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--t3)}
.footer-col a:hover{color:var(--primary)}
.footer-col li span{font-size:13.5px;color:var(--t3)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}

/* offcanvas 移动菜单 */
.offcanvas{background:var(--bg-2);color:var(--t2);width:82vw;border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 22px}
.offcanvas-title{font-size:16px;color:var(--t1);font-weight:700}
.offcanvas-body{padding:22px}
.drawer-group{font-size:12px;color:var(--t3);letter-spacing:1px;margin:18px 0 10px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;font-size:15px;color:var(--t2);border-bottom:1px solid var(--line-soft);
}
.drawer-link:hover{color:var(--primary)}
.drawer-link.active{color:var(--primary)}
.btn-close{filter:invert(1) grayscale(1) brightness(1.6)}

/* 响应式 */
@media (max-width:1399px){
  .nav-links{gap:12px}
  .nav-link{font-size:13.5px}
}
@media (max-width:1199px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-wrap{gap:16px}
  .hero-inner{padding:80px 0 72px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .topbar-links{display:none}
  .mobile-search{display:block}
  .nav-search.desktop-only{display:none}
  .nav-wrap{height:auto;padding:12px 0;flex-wrap:wrap}
  .site-header.scrolled .nav-wrap{height:auto;padding:10px 0}
  .hero{min-height:520px}
  .hero-inner{grid-template-columns:1fr;padding:64px 0 56px;gap:34px}
  .hero-copy,.hero-card{grid-column:1/-1}
  .hero-card{transform:none;margin:0;max-width:100%}
  .hero-card:hover{transform:translateY(-6px)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .feedback{grid-template-columns:1fr}
  .consult{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .ladder-step.s1,.ladder-step.s2,.ladder-step.s3,.ladder-step.s4{height:auto;margin-left:0;margin-right:0}
  .ladder-step{flex-direction:column;align-items:flex-start;gap:14px;padding:20px 22px}
  .ladder-step .ladder-num{font-size:64px;opacity:.7}
  .ladder-step .btn-main,.ladder-step .btn-ghost{width:100%}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero{min-height:470px}
  .hero h1{font-size:26px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px}
  .news-grid{grid-template-columns:1fr;gap:18px}
  .cd-num{font-size:34px}
  .cd-group{min-width:62px;padding:8px 12px}
  .limited-inner{flex-direction:column;align-items:flex-start}
  .limited .btn-promo{width:100%}
  .form-row{grid-template-columns:1fr}
  .form-card,.consult-aside{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-bar{padding:22px}
}
@media (max-width:575px){
  .section{padding:48px 0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .stats-grid{gap:12px}
  .stat-item{padding:16px 10px}
  .stat-num{font-size:24px}
  .news-body,.fb-card{padding:16px}
  .news-body{padding:16px}
  .faq-q{padding:16px 18px 16px 30px;font-size:15px}
  .faq-a{padding:0 18px 18px 30px}
  .faq-a::after{left:30px;right:18px}
  .faq-q::before{left:14px;top:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#05070F;--bg-1:#0A0F1F;--bg-2:#0E1526;
  --primary:#2FE3C8;--primary-strong:#16B79F;--primary-soft:rgba(47,227,200,.14);
  --accent:#FF4D8D;--accent-2:#FFC24B;
  --t1:#EAF0FF;--t2:#A9B6D2;--t3:#6D7B9A;
  --glass:rgba(18,28,52,.55);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.07);
  --r-card:18px;--r-lg:24px;--r-sm:12px;
  --sh-1:0 6px 24px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(47,227,200,.35),0 10px 30px rgba(47,227,200,.28);
  --sh-accent:0 0 0 1px rgba(255,77,141,.35),0 10px 28px rgba(255,77,141,.26);
  --gap:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-1);color:var(--t2);
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
body::after{
  content:"";position:fixed;top:-220px;right:-160px;width:780px;height:780px;z-index:0;pointer-events:none;
  border-radius:50%;background:radial-gradient(circle,rgba(47,227,200,.16),transparent 66%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{color:var(--t1);margin:0;font-weight:700;line-height:1.32}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,227,200,.28);color:#fff}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(5,7,15,.7);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:rgba(8,12,24,.9);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--line-soft);box-shadow:var(--sh-1);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:76px;transition:min-height .25s ease}
.site-header.scrolled .nav-wrap{min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:30px;height:30px;border-radius:9px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),#0f8f7d);
  box-shadow:0 6px 18px rgba(47,227,200,.32);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 9px;border-radius:4px;transform:skewX(-12deg);
  background:rgba(5,18,26,.6);
}
.brand-text{color:var(--t1);font-weight:800;font-size:18px;letter-spacing:.4px;white-space:nowrap}
.nav-search{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:560px;min-width:260px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:6px 6px 6px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-glow);background:rgba(255,255,255,.08)}
.nav-search svg{width:18px;height:18px;stroke:var(--t3);flex-shrink:0;fill:none;stroke-width:2;stroke-linecap:round}
.nav-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;color:var(--t1);font-size:14px}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{
  border:0;cursor:pointer;background:var(--primary);color:#05121A;
  font-weight:600;font-size:14px;padding:8px 18px;border-radius:999px;
  transition:filter .2s ease,transform .2s ease;white-space:nowrap;
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-search button:active{transform:translateY(1px);filter:brightness(.94)}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-link{position:relative;font-size:14.5px;color:var(--t2);padding:6px 2px;display:inline-flex;align-items:center;gap:7px}
.dot-ind{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.18);transition:background .2s ease,box-shadow .2s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transition:right .16s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--t1)}
.nav-link.active::after{right:0}
.nav-link.active .dot-ind{background:var(--primary);box-shadow:0 0 10px var(--primary)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#05121A;font-weight:600;font-size:14.5px;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  box-shadow:var(--sh-glow);transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);color:#05121A}
.btn-main:active{transform:translateY(1px);filter:brightness(.94)}
.btn-main[disabled],.btn-main.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.btn-nav{padding:10px 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.05);border:1px solid rgba(47,227,200,.45);
  color:var(--t1);padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:500;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);background:rgba(47,227,200,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-accent{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#1A0410;
  font-weight:600;font-size:14.5px;padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  box-shadow:var(--sh-accent);transition:transform .2s ease,filter .2s ease;
}
.btn-accent:hover{filter:brightness(1.07);transform:translateY(-2px)}
.hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;margin-left:auto;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;
}
.hamburger span{display:block;height:2px;width:100%;border-radius:2px;background:var(--t1);transition:transform .25s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-search{display:none;padding:0 24px 12px}

/* 抽屉 */
.offcanvas.drawer{
  background:rgba(10,15,31,.98);color:var(--t2);width:82vw;max-width:340px;
  border-left:1px solid var(--line);backdrop-filter:blur(18px);
}
.drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 20px}
.drawer .offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:10px}
.drawer-group{font-size:12px;color:var(--t3);letter-spacing:1px;margin:6px 0 2px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--t2);
  background:rgba(255,255,255,.03);border:1px solid transparent;transition:.2s ease;
}
.drawer-link:hover{color:var(--primary);border-color:rgba(47,227,200,.35);background:rgba(47,227,200,.07)}
.drawer-link.active{color:var(--t1);border-color:rgba(47,227,200,.45);background:rgba(47,227,200,.1)}
.drawer-cta{margin-top:10px;width:100%}
.btn-close-custom{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--t1);font-size:16px;cursor:pointer;
}
.btn-close-custom:hover{color:var(--primary);border-color:rgba(47,227,200,.45)}

/* ============ 页面主体 ============ */
.page-wrap{position:relative;z-index:1;padding:30px 0 88px}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t3);padding-bottom:14px;
  border-bottom:1px solid var(--line-soft);margin-bottom:28px;
}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .cur{color:var(--t3);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding-bottom:22px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.4px;
  padding:5px 12px;border-radius:999px;color:var(--primary);
  background:rgba(255,255,255,.05);border:1px solid rgba(47,227,200,.45);
}
.article-head h1{font-size:clamp(26px,3.1vw,40px);line-height:1.32;margin:16px 0 14px;max-width:960px}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}

.card-glass{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-1);
}
.card-glass::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(47,227,200,.4),transparent);
}

/* 正文排版 */
.article-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 34px 30px;backdrop-filter:blur(14px) saturate(140%);
  font-size:16.5px;line-height:1.95;color:var(--t2);box-shadow:var(--sh-1);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px;max-width:44em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.1vw,26px);line-height:1.4;
  margin:40px 0 14px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:20px;margin:28px 0 12px;color:var(--t1)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin:8px 0;line-height:1.9}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:600}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(47,227,200,.4)}
.article-body a:hover{color:#6ff0dc;border-bottom-color:#6ff0dc}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:rgba(255,255,255,.04);border-radius:var(--r-sm);color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px auto;border:1px solid rgba(255,255,255,.08)}
.article-body figure{margin:22px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:8px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:14.5px;margin:22px 0;border-radius:12px;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line-soft);text-align:left;white-space:nowrap}
.article-body thead th{background:rgba(255,255,255,.06);color:var(--t1);font-weight:600}
.article-body code{
  background:rgba(255,255,255,.07);border:1px solid var(--line-soft);
  border-radius:8px;padding:2px 7px;font-size:14px;color:var(--primary);
}
.article-body pre{
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px;
}
.article-body pre code{background:none;border:0;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:30px 0}

/* 标签与文末 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 6px}
.tag{
  font-size:12.5px;padding:6px 14px;border-radius:999px;color:var(--t2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);transition:.2s ease;
}
.tag:hover{color:var(--primary);border-color:rgba(47,227,200,.5);transform:translateY(-2px)}

.nav-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.nav-card{
  position:relative;display:block;padding:18px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);transition:.24s ease;overflow:hidden;
}
.nav-card::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(47,227,200,.4),transparent);
}
.nav-card:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.45);box-shadow:var(--sh-glow)}
.nav-label{display:block;font-size:12px;color:var(--t3);margin-bottom:8px;letter-spacing:.5px}
.nav-title{
  display:block;color:var(--t1);font-size:16px;font-weight:600;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nav-card:hover .nav-title{color:var(--primary)}
.nav-card.next{text-align:right}

.back-row{display:flex;justify-content:center;margin-top:30px}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:18px}
.side-card{padding:22px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-1);position:relative}
.side-card::before{content:"";position:absolute;left:14px;right:14px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(47,227,200,.4),transparent)}
.side-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.side-head h3{font-size:16px;letter-spacing:.3px}
.toc-toggle{
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;
  font-size:12px;color:var(--t3);padding:4px 12px;cursor:pointer;transition:.2s ease;
}
.toc-toggle:hover{color:var(--primary);border-color:rgba(47,227,200,.45)}
.toc-list{list-style:none;padding:0;margin:0;max-height:340px;overflow:auto}
.toc-item a{
  display:block;font-size:14px;color:var(--t2);padding:8px 10px 8px 12px;
  border-left:2px solid transparent;border-radius:0 10px 10px 0;line-height:1.6;
  transition:.2s ease;
}
.toc-item a:hover{color:var(--primary);background:rgba(47,227,200,.06)}
.toc-item.lv3 a{padding-left:24px;font-size:13.5px;color:var(--t3)}
.toc-item a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(47,227,200,.08)}
.toc-card.collapsed .toc-list{display:none}

.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:12px;
  font-size:14.5px;color:var(--t2);transition:.2s ease;
}
.side-list a:hover{background:rgba(47,227,200,.07);color:var(--primary);transform:translateX(3px)}
.side-list .arrow{margin-left:auto;color:var(--t3);font-size:13px}
.side-list a:hover .arrow{color:var(--primary)}

.side-tags{display:flex;flex-wrap:wrap;gap:9px}
.side-tags a{
  font-size:12.5px;padding:6px 13px;border-radius:999px;color:var(--t2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);transition:.2s ease;
}
.side-tags a:hover{color:var(--primary);border-color:rgba(47,227,200,.5)}

.side-cta{text-align:center;padding:26px 22px;background:linear-gradient(160deg,rgba(47,227,200,.12),rgba(18,28,52,.6));border:1px solid rgba(47,227,200,.35);border-radius:var(--r-card)}
.side-cta h3{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:var(--t3);margin-bottom:16px}
.side-cta .btn-main{width:100%}

/* 相关推荐 */
.related{margin-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(20px,2.3vw,30px)}
.section-head p{font-size:14px;color:var(--t3);margin:6px 0 0}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.text-link:hover{color:#6ff0dc}
.text-link .chev{transition:transform .2s ease}
.text-link:hover .chev{transform:translateX(4px)}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.45);box-shadow:var(--sh-glow)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:14px;margin:12px 12px 0;border:1px solid rgba(255,255,255,.08)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-cat{
  position:absolute;left:10px;top:10px;font-size:12px;padding:4px 11px;border-radius:999px;
  background:rgba(10,15,31,.72);border:1px solid rgba(47,227,200,.5);color:var(--primary);
  backdrop-filter:blur(10px);
}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-body h3{
  font-size:17px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;
}
.post-card:hover .post-body h3{color:var(--primary)}
.post-body p{
  font-size:13.8px;color:var(--t2);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);
}
.post-foot .read{display:inline-flex;align-items:center;gap:5px;color:var(--t3);transition:.2s ease}
.post-card:hover .post-foot .read{color:var(--primary)}

/* 空态 */
.empty-state{
  text-align:center;padding:72px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.empty-state svg{width:48px;height:48px;stroke:var(--primary);fill:none;stroke-width:1.6;margin:0 auto 18px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--t3);font-size:14.5px;margin-bottom:22px}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;background:var(--bg-0);border-top:1px solid rgba(255,255,255,.08);padding:62px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{font-size:13.5px;color:var(--t3);line-height:1.85;margin:16px 0 18px;max-width:34em}
.footer-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:5px 5px 5px 16px;max-width:340px;transition:.2s ease}
.footer-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-glow)}
.footer-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--t1);font-size:13.5px}
.footer-search input::placeholder{color:var(--t3)}
.footer-search button{border:0;background:var(--primary);color:#05121A;font-weight:600;font-size:13px;padding:7px 15px;border-radius:999px;cursor:pointer}
.footer-search button:hover{filter:brightness(1.08)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1)}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:13.5px;color:var(--t3);line-height:1.7}
.footer-col a{color:var(--t3)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .mobile-search{display:none!important}
}
@media (max-width:1199.98px){
  .nav-links{gap:14px}
  .nav-link{font-size:13.5px}
}
@media (max-width:991.98px){
  .desktop-only{display:none!important}
  .nav-links{display:none}
  .hamburger{display:flex}
  .mobile-search{display:block}
  .site-header{background:rgba(8,12,24,.92);border-bottom-color:var(--line-soft);backdrop-filter:blur(16px)}
  .nav-wrap{min-height:64px}
  .page-wrap{padding:22px 0 64px}
  .article-body{padding:24px 20px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .sidebar{margin-top:28px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .nav-search{padding:5px 5px 5px 14px}
  .nav-search button{padding:7px 14px;font-size:13px}
  .article-head h1{font-size:26px}
  .nav-cards{grid-template-columns:1fr}
  .nav-card.next{text-align:left}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .page-wrap{padding:18px 0 56px}
}
@media (max-width:575.98px){
  .article-body{padding:20px 16px;font-size:16px}
  .article-body h2{margin-top:32px}
  .article-body p{max-width:none}
  .btn-main,.btn-ghost{width:100%}
  .btn-nav{width:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070F; --bg-1:#0A0F1F; --bg-2:#0E1526;
  --primary:#2FE3C8; --primary-strong:#16B79F; --primary-soft:rgba(47,227,200,.14);
  --accent:#FF4D8D; --accent-2:#FFC24B;
  --t1:#EAF0FF; --t2:#A9B6D2; --t3:#6D7B9A;
  --glass:rgba(18,28,52,.55); --glass-bd:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.07);
  --r-card:18px; --r-lg:24px; --r-sm:12px;
  --sh-1:0 6px 24px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(47,227,200,.35), 0 10px 30px rgba(47,227,200,.28);
  --sh-accent:0 0 0 1px rgba(255,77,141,.35), 0 10px 28px rgba(255,77,141,.26);
  --sec-pad:96px;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.8; color:var(--t2);
  background-color:var(--bg-1);
  background-image:
    radial-gradient(900px 520px at 86% -10%, rgba(47,227,200,.15), transparent 60%),
    radial-gradient(720px 440px at 2% 6%, rgba(255,77,141,.07), transparent 62%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
body::before{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(130% 85% at 68% -6%, #000 0%, transparent 74%);
  mask-image:radial-gradient(130% 85% at 68% -6%, #000 0%, transparent 74%);
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-strong)}
h1,h2,h3,h4{color:var(--t1);font-weight:750;letter-spacing:.2px;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部通栏 ---------- */
.topbar{background:rgba(47,227,200,.12);border-bottom:1px solid rgba(255,255,255,.06);font-size:13px}
.topbar-in{min-height:26px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;color:var(--t1)}
.topbar-left .pulse{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(47,227,200,.16)}
.topbar-links{display:flex;gap:18px}
.topbar-links a{color:var(--t2);font-size:12.5px}
.topbar-links a:hover{color:var(--primary)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:transparent;border-bottom:1px solid transparent;transition:background .28s ease,box-shadow .28s ease,border-color .28s ease}
.site-header.scrolled{background:rgba(10,15,31,.74);-webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);border-bottom-color:rgba(255,255,255,.08);box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:22px;height:76px;transition:height .28s ease}
.site-header.scrolled .nav-wrap{height:64px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{width:30px;height:30px;position:relative;flex:none;display:inline-block}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;border-radius:8px;transform:rotate(45deg)}
.brand-mark::before{inset:0;background:linear-gradient(135deg,var(--primary),var(--primary-strong))}
.brand-mark::after{inset:7px;background:var(--bg-1);border-radius:6px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.brand-text{color:var(--t1);font-weight:800;font-size:18px;letter-spacing:.5px;white-space:nowrap}
.nav-search{position:relative;display:flex;align-items:center;width:clamp(320px,38vw,560px);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:5px 5px 5px 16px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.nav-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-glow);background:rgba(255,255,255,.08)}
.nav-search svg{width:18px;height:18px;stroke:var(--t3);fill:none;flex:none}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--t1);font-size:14.5px;padding:8px 12px}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{flex:none;border:0;border-radius:999px;background:var(--primary);color:#05121A;font-weight:650;font-size:14px;padding:8px 20px;cursor:pointer;transition:filter .18s ease,transform .18s ease}
.nav-search button:hover{filter:brightness(1.08)}
.nav-search button:active{transform:translateY(1px);filter:brightness(.94)}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:7px;color:var(--t2);font-size:14.5px;padding:6px 0;white-space:nowrap}
.nav-link .dot-ind{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.20);transition:background .18s ease,box-shadow .18s ease}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--primary);transition:right .16s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover .dot-ind{background:var(--primary);box-shadow:0 0 0 4px rgba(47,227,200,.14)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--t1)}
.nav-link.active .dot-ind{background:var(--primary);box-shadow:0 0 0 4px rgba(47,227,200,.14)}
.nav-link.active::after{right:0}
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border:0;border-radius:999px;background:var(--primary);color:#05121A;font-weight:650;font-size:15px;cursor:pointer;box-shadow:var(--sh-glow);transition:transform .2s ease,filter .2s ease,box-shadow .2s ease}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.08);color:#05121A}
.btn-main:active{transform:translateY(1px);filter:brightness(.94)}
.btn-nav{min-height:40px;padding:0 20px;font-size:14px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(47,227,200,.45);color:var(--t1);font-weight:600;font-size:15px;cursor:pointer;transition:background .2s ease,transform .2s ease,border-color .2s ease}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px);color:var(--t1)}
.btn-accent{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border:0;border-radius:999px;background:var(--accent);color:#1A0512;font-weight:650;font-size:15px;cursor:pointer;box-shadow:var(--sh-accent);transition:transform .2s ease,filter .2s ease}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.06);color:#1A0512}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.btn-text i{transition:transform .2s ease;font-style:normal}
.btn-text:hover i{transform:translateX(4px)}
.hamburger{display:none;width:44px;height:44px;margin-left:auto;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.05);position:relative;cursor:pointer}
.hamburger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--t1);transition:.24s ease}
.hamburger span:nth-child(1){top:15px}
.hamburger span:nth-child(2){top:21px}
.hamburger span:nth-child(3){top:27px}
.hamburger.open span:nth-child(1){top:21px;transform:rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){top:21px;transform:rotate(-45deg)}
.mobile-search{display:none;padding:0 20px 12px}
.mobile-search .nav-search{width:100%}
.offcanvas{background:var(--bg-2);color:var(--t2);border-left:1px solid var(--glass-bd)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-title{color:var(--t1);font-size:16px;font-weight:700}
.offcanvas-body{padding:18px 20px 28px}
.drawer-group{color:var(--t3);font-size:12px;letter-spacing:1px;margin:18px 0 10px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;color:var(--t2);font-size:15px;background:rgba(255,255,255,.04);margin-bottom:8px}
.drawer-link:hover{background:var(--primary-soft);color:var(--t1)}
.drawer-link.active{color:var(--primary);border:1px solid rgba(47,227,200,.4)}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--t3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none}
.crumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.18)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--primary)}
.crumb .now{color:var(--t3)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.sec-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3}
.sec-sub{color:var(--t3);font-size:14.5px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.4px;color:var(--primary);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:inline-block}

/* ---------- Hero ---------- */
.cat-hero{position:relative;margin-top:26px;border-radius:var(--r-lg);overflow:hidden;min-height:340px;display:flex;align-items:flex-end;border:1px solid var(--glass-bd);box-shadow:var(--sh-1)}
.cat-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(5,7,15,.94) 10%,rgba(5,7,15,.68) 50%,rgba(47,227,200,.16) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding:40px;max-width:660px}
.cat-hero h1{font-size:clamp(30px,3.4vw,38px);line-height:1.3;margin-bottom:14px}
.cat-hero p{font-size:16px;max-width:34em}
.cat-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-anchors{position:absolute;right:28px;bottom:28px;z-index:3;display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.chip{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;background:rgba(18,28,52,.62);border:1px solid var(--glass-bd);color:var(--t1);font-size:13px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:border-color .2s ease,transform .2s ease}
.chip:hover{border-color:var(--primary);color:var(--t1);transform:translateY(-2px)}
.chip .d{width:6px;height:6px;border-radius:50%;background:var(--primary)}

/* ---------- 交替图文 ---------- */
.split-row{display:grid;grid-template-columns:repeat(12,1fr);gap:28px;align-items:center;margin-bottom:64px}
.split-row:last-child{margin-bottom:0}
.split-media{grid-column:span 6}
.split-text{grid-column:span 6}
.split-row.reverse .split-media{order:2}
.split-row.reverse .split-text{order:1}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;border:1px solid rgba(255,255,255,.08);box-shadow:0 20px 44px rgba(0,0,0,.45),0 0 0 1px rgba(47,227,200,.28)}
.split-text h3{font-size:22px;margin-bottom:12px}
.split-text p{font-size:15.6px;max-width:42em}
.tick-list{margin-top:18px;display:grid;gap:10px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2)}
.tick-list svg{width:18px;height:18px;stroke:var(--primary);fill:none;flex:none;margin-top:4px}
.tagline{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:5px 12px;border-radius:999px;background:var(--primary-soft);border:1px solid rgba(47,227,200,.4);color:var(--primary);margin-bottom:14px}
.tagline.accent{background:rgba(255,77,141,.12);border-color:rgba(255,77,141,.42);color:#FF87B3}
.tagline.amber{background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.42);color:var(--accent-2)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:58px}
.step-num{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--primary-soft);border:1px solid rgba(47,227,200,.5);color:var(--primary);font-weight:750;font-size:15px;font-variant-numeric:tabular-nums}
.step:not(:last-child)::after{content:"";position:absolute;left:58px;right:-18px;top:22px;border-top:1px dashed rgba(47,227,200,.34)}
.step h4{font-size:17px;margin-bottom:8px;color:var(--t1)}
.step p{font-size:14.6px;color:var(--t2)}

/* ---------- 信息表 ---------- */
.table-shell{border-radius:var(--r-sm);border:1px solid var(--glass-bd);background:var(--glass);overflow:hidden;-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%)}
.table-scroll{overflow-x:auto}
table.info{width:100%;border-collapse:collapse;min-width:720px}
table.info th{background:rgba(255,255,255,.06);color:var(--t3);font-size:13.5px;font-weight:650;text-align:left;padding:14px 18px;white-space:nowrap}
table.info td{padding:16px 18px;font-size:15px;color:var(--t2);border-top:1px solid var(--line)}
table.info tbody tr{transition:background .18s ease}
table.info tbody tr:hover{background:rgba(255,255,255,.04)}
table.info td strong{color:var(--t1);font-weight:650}
.dot-state{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t1)}
.dot-state .d{width:7px;height:7px;border-radius:50%;background:var(--primary)}
.dot-state.warn .d{background:var(--accent-2)}

/* ---------- 速览卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-glass{position:relative;background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.card-glass::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:18px 18px 0 0;background:linear-gradient(90deg,rgba(47,227,200,.42),transparent)}
.card-glass:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(47,227,200,.32),0 16px 36px rgba(47,227,200,.18);border-color:rgba(47,227,200,.3)}
.card-glass h4{font-size:17px;margin-bottom:10px}
.card-glass p{font-size:14.8px}
.mini-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid rgba(255,255,255,.08);margin-bottom:16px}

/* ---------- FAQ ---------- */
.faq-item{background:rgba(255,255,255,.04);border-radius:14px;margin-bottom:12px;overflow:hidden;border:1px solid transparent;transition:border-color .2s ease}
.faq-item:hover{border-color:rgba(47,227,200,.22)}
.faq-q{width:100%;display:flex;align-items:center;gap:12px;background:transparent;border:0;color:var(--t1);font-size:16px;font-weight:600;text-align:left;padding:18px 20px;cursor:pointer}
.faq-q .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;margin-top:2px}
.faq-q .arw{margin-left:auto;flex:none;width:20px;height:20px;stroke:var(--t3);fill:none;transition:transform .24s ease}
.faq-q[aria-expanded="true"]{color:var(--primary)}
.faq-q[aria-expanded="true"] .arw{stroke:var(--primary);transform:rotate(180deg)}
.faq-a{padding:0 22px 20px 40px;font-size:15px;line-height:1.85;color:var(--t2);border-left:3px solid transparent;margin-left:20px;transition:border-color .2s ease}
.faq-item:has(.faq-q[aria-expanded="true"]) .faq-a{border-left-color:var(--primary)}

/* ---------- CTA 通栏 ---------- */
.cta-band{position:relative;margin-top:var(--sec-pad);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-bd);min-height:180px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:40px;flex-wrap:wrap;box-shadow:var(--sh-1)}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.3}
.cta-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,77,141,.10) 0 18px,rgba(255,194,75,.08) 18px 36px)}
.cta-band > *{position:relative;z-index:2}
.cta-band h3{font-size:clamp(20px,2.2vw,28px);margin-bottom:10px}
.cta-band p{font-size:15.4px;max-width:36em}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec-pad);background:var(--bg-0);border-top:1px solid rgba(255,255,255,.08);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand p{font-size:14.5px;margin:16px 0 20px;max-width:32em}
.footer-search{display:flex;align-items:center;gap:0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:4px;max-width:340px;transition:border-color .2s ease,box-shadow .2s ease}
.footer-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-glow)}
.footer-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--t1);font-size:14px;padding:10px 14px}
.footer-search input::placeholder{color:var(--t3)}
.footer-search button{border:0;border-radius:999px;background:var(--primary);color:#05121A;font-weight:650;font-size:13.5px;padding:9px 18px;cursor:pointer}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1)}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--t2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{margin-top:52px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--t3)}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}

@media (min-width:1400px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1199.98px){
  :root{--sec-pad:80px}
  .nav-links{gap:15px}
  .nav-link{font-size:14px}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px}
  .desktop-only{display:none}
  .nav-links{display:none}
  .hamburger{display:block}
  .mobile-search{display:block}
  .site-header{background:rgba(10,15,31,.8);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
  .nav-wrap{height:62px}
  .site-header.scrolled .nav-wrap{height:58px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .split-media,.split-text{grid-column:span 12}
  .split-row.reverse .split-media{order:1}
  .split-row.reverse .split-text{order:2}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .step:not(:last-child)::after{display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  :root{--sec-pad:56px}
  body{font-size:15.5px}
  .cat-hero{min-height:auto}
  .cat-hero-inner{padding:26px 22px 96px}
  .hero-anchors{right:16px;left:16px;bottom:18px;justify-content:flex-start}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:16px 0 26px 46px;margin-left:22px;border-left:1px dashed rgba(47,227,200,.34)}
  .step:last-child{border-left-color:transparent}
  .step-num{left:-22px;top:16px;background:var(--bg-1)}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .faq-a{padding-left:22px;margin-left:14px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .cat-hero h1{font-size:26px}
  .card-glass{padding:16px}
  .btn-main,.btn-ghost,.btn-accent{width:100%}
  .cat-hero-actions{gap:10px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#05070F;
  --bg-1:#0A0F1F;
  --bg-2:#0E1526;
  --primary:#2FE3C8;
  --primary-strong:#16B79F;
  --primary-soft:rgba(47,227,200,.14);
  --accent:#FF4D8D;
  --accent-2:#FFC24B;
  --t1:#EAF0FF;
  --t2:#A9B6D2;
  --t3:#6D7B9A;
  --glass:rgba(18,28,52,.55);
  --stroke:rgba(255,255,255,.10);
  --stroke-soft:rgba(255,255,255,.07);
  --r-card:18px;
  --r-lg:24px;
  --r-btn:999px;
  --r-sm:12px;
  --sh-1:0 6px 24px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(47,227,200,.35),0 10px 30px rgba(47,227,200,.28);
  --sh-accent:0 0 0 1px rgba(255,77,141,.35),0 10px 28px rgba(255,77,141,.26);
  --sec-pad:96px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t2);
  background-color:var(--bg-1);
  background-image:
    radial-gradient(900px 520px at 88% -6%, rgba(47,227,200,.10), transparent 62%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:auto,24px 24px,24px 24px;
  background-attachment:fixed,fixed,fixed;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{color:var(--t1);font-weight:700;margin:0;letter-spacing:.2px}
h1{font-size:clamp(26px,3.4vw,38px);line-height:1.26;font-weight:800}
h2{font-size:clamp(22px,2.6vw,34px);line-height:1.32;font-weight:800}
h3{font-size:20px;line-height:1.45}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:var(--primary);opacity:.88}
img{max-width:100%;display:block}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(47,227,200,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1280px}}
.row{--bs-gutter-x:28px;--bs-gutter-y:28px}
.section{padding:var(--sec-pad) 0;position:relative}
.section-alt{background:rgba(14,21,38,.72);border-top:1px solid var(--stroke-soft);border-bottom:1px solid var(--stroke-soft)}
.section-head{margin-bottom:40px;max-width:44em}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--t2)}
.lead-text{font-size:16px;line-height:1.9;color:var(--t2);max-width:44em}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-promo,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15.5px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-align:center;min-height:46px;padding:14px 28px;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,opacity .2s ease;
}
.btn-main{
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));
  color:#05121A;
  box-shadow:var(--sh-glow);
}
.btn-main:hover{color:#05121A;transform:translateY(-2px);filter:brightness(1.08)}
.btn-main:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);
  border-color:rgba(47,227,200,.45);
  color:var(--t1);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:var(--t1);background:rgba(47,227,200,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-promo{
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--accent),#FF7AAE);
  color:#20060F;box-shadow:var(--sh-accent);
}
.btn-promo:hover{color:#20060F;transform:translateY(-2px);filter:brightness(1.06)}
.btn-soft{
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);
  border-color:var(--stroke);
  color:var(--t1);
}
.btn-soft:hover{color:var(--t1);border-color:rgba(47,227,200,.5)}
.btn-sm-main{min-height:40px;padding:11px 20px;font-size:14px}
.btn-wide{width:100%}
.btn-link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--primary)
}
.btn-link-more .arw{transition:transform .2s ease}
.btn-link-more:hover .arw{transform:translateX(4px)}

/* ============ 徽章与标签 ============ */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--stroke);
  color:var(--t2);
  backdrop-filter:blur(10px);
  white-space:nowrap;
}
.badge-primary{border-color:rgba(47,227,200,.5);color:var(--primary);background:var(--primary-soft)}
.badge-accent{border-color:rgba(255,77,141,.45);color:var(--accent);background:rgba(255,77,141,.12)}
.badge-amber{border-color:rgba(255,194,75,.45);color:var(--accent-2);background:rgba(255,194,75,.12)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,15,31,.55);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease,padding .25s ease;
  backdrop-filter:blur(8px);
}
.site-header.scrolled{
  background:rgba(10,15,31,.88);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--stroke);
  box-shadow:var(--sh-1);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px;transition:min-height .25s ease}
.site-header.scrolled .nav-wrap{min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t1);font-weight:800}
.brand:hover{color:var(--t1);opacity:1}
.brand-mark{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));
  box-shadow:0 0 0 1px rgba(47,227,200,.4),0 6px 18px rgba(47,227,200,.28);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 8px 8px 8px;
  background:rgba(5,18,26,.82);
  border-radius:3px;
  transform:rotate(-12deg);
}
.brand-text{font-size:17.5px;letter-spacing:.4px;white-space:nowrap}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:clamp(320px,38vw,560px);
  padding:6px 6px 6px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-glow)}
.nav-search svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--t3)}
.nav-search:focus-within svg{stroke:var(--primary)}
.nav-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:var(--t1);font-size:14.5px;padding:10px 0;
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{
  flex:0 0 auto;border:0;cursor:pointer;
  border-radius:999px;padding:10px 20px;
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));
  color:#05121A;font-size:14px;font-weight:600;line-height:1;
  transition:filter .2s ease,transform .18s ease;
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-search button:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex:0 0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:10px 11px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--t2);
  transition:color .18s ease;
}
.nav-link .dot-ind{
  width:5px;height:5px;border-radius:50%;background:var(--t3);
  transition:background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .16s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover .dot-ind{background:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--t1);font-weight:600}
.nav-link.active .dot-ind{background:var(--primary);box-shadow:0 0 0 3px rgba(47,227,200,.16)}
.nav-link.active::after{transform:scaleX(1)}
.btn-nav{min-height:42px;padding:12px 22px;font-size:14.5px;margin-left:8px}
.hamburger{
  display:none;margin-left:auto;width:44px;height:44px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  border-radius:12px;position:relative;cursor:pointer;
}
.hamburger span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--t1);transition:transform .26s ease,opacity .2s ease,top .26s ease;
}
.hamburger span:nth-child(1){top:15px}
.hamburger span:nth-child(2){top:21px}
.hamburger span:nth-child(3){top:27px}
.hamburger[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}
.mobile-search{display:none;padding:0 24px 14px}
.mobile-search .nav-search{width:100%}

/* 抽屉 */
.nav-drawer{
  background:linear-gradient(180deg,rgba(11,17,34,.98),rgba(5,7,15,.99));
  border-left:1px solid var(--stroke);
  width:82vw!important;max-width:340px;color:var(--t2);
}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--stroke-soft);padding:20px 22px}
.drawer-title{color:var(--t1);font-weight:800;font-size:17px}
.nav-drawer .btn-close{filter:invert(1) brightness(1.8);opacity:.75}
.nav-drawer .btn-close:hover{opacity:1}
.nav-drawer .offcanvas-body{padding:18px 14px 28px;display:flex;flex-direction:column;gap:4px}
.drawer-group{
  font-size:12px;color:var(--t3);letter-spacing:1px;
  padding:16px 12px 8px;margin:0;
}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--t2);font-size:15px;font-weight:500;
  min-height:44px;transition:background-color .18s ease,color .18s ease;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--primary)}
.drawer-link.active{background:var(--primary-soft);color:var(--t1);font-weight:600}
.drawer-cta{margin:18px 14px 0;width:calc(100% - 28px)}

/* ============ 面包屑 ============ */
.crumb-bar{background:rgba(5,7,15,.6);border-bottom:1px solid var(--stroke-soft)}
.crumb-inner{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding-top:14px;padding-bottom:14px;font-size:13px;color:var(--t3);
}
.crumb-inner a{color:var(--t3)}
.crumb-inner a:hover{color:var(--primary)}
.crumb-inner .sep{color:rgba(109,123,154,.6)}
.crumb-inner .cur{color:var(--t3)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:340px;
  display:flex;align-items:center;
  background-image:
    linear-gradient(115deg,rgba(5,7,15,.92) 18%,rgba(5,7,15,.66) 58%,rgba(47,227,200,.18) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--stroke-soft);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0;max-width:820px}
.cat-hero h1{margin:18px 0 16px}
.cat-hero p{font-size:16.5px;color:var(--t2);max-width:44em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-anchors a{color:var(--t2)}
.hero-anchors a:hover{color:var(--primary)}

/* ============ 标签切换条 ============ */
.tagbar-wrap{
  background:rgba(10,15,31,.82);
  border-bottom:1px solid var(--stroke-soft);
  backdrop-filter:blur(12px);
}
.tagbar{
  display:flex;gap:10px;align-items:center;
  padding:16px 0;overflow-x:auto;scrollbar-width:none;
}
.tagbar::-webkit-scrollbar{display:none}
.tab-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--t2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);
  cursor:pointer;min-height:44px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.tab-pill:hover{color:var(--primary);border-color:rgba(47,227,200,.45);transform:translateY(-2px)}
.tab-pill.active{
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));
  border-color:transparent;color:#05121A;font-weight:600;
  box-shadow:var(--sh-glow);
}

/* ============ 指南条目列表 ============ */
.guide-list{display:flex;flex-direction:column;gap:12px;counter-reset:g}
.guide-item{
  display:grid;grid-template-columns:52px 1fr 28px;
  align-items:center;gap:16px;
  padding:20px 22px;
  border-radius:14px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--stroke-soft);
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .22s ease;
}
.guide-item:hover{
  background:rgba(47,227,200,.07);
  border-color:rgba(47,227,200,.4);
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(0,0,0,.28);
}
.guide-no{
  font-size:15px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--primary-soft);
  border:1px solid rgba(47,227,200,.32);
}
.guide-body h3{font-size:17.5px;margin-bottom:6px;transition:color .2s ease}
.guide-item:hover .guide-body h3{color:var(--primary)}
.guide-body p{font-size:14px;color:var(--t2);line-height:1.7}
.guide-arrow{
  color:var(--t3);font-size:18px;text-align:right;
  transition:transform .2s ease,color .2s ease;
}
.guide-item:hover .guide-arrow{color:var(--primary);transform:translateX(4px)}

/* ============ 侧栏卡片 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  position:relative;overflow:hidden;
  padding:22px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-1);
}
.side-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(47,227,200,.4),transparent);
}
.side-card h3{font-size:16.5px;margin-bottom:12px}
.side-card p{font-size:14px;line-height:1.8;color:var(--t2)}
.side-list{display:flex;flex-direction:column;gap:2px;margin-top:14px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--t2);
  transition:background-color .18s ease,color .18s ease;
  min-height:44px;
}
.side-list a:hover{background:rgba(255,255,255,.05);color:var(--primary)}
.side-list .k{display:inline-flex;align-items:center;gap:8px}
.side-list .k i{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  display:inline-block;
}
.side-cta{
  background:linear-gradient(150deg,rgba(47,227,200,.14),rgba(18,28,52,.6));
  border-color:rgba(47,227,200,.3);
}
.side-cta .meta{font-size:13px;color:var(--t3);margin:10px 0 16px}

/* ============ 要点卡组（错落） ============ */
.point-card{
  position:relative;overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.point-card:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.42);box-shadow:0 14px 34px rgba(0,0,0,.4)}
.point-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:3;
  background:linear-gradient(90deg,rgba(47,227,200,.4),transparent);
}
.point-thumb{position:relative;overflow:hidden}
.point-thumb img{
  width:100%;height:170px;object-fit:cover;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  transition:transform .32s ease;
}
.point-wide .point-thumb img{height:250px}
.point-card:hover .point-thumb img{transform:scale(1.04)}
.point-thumb .badge-pill{position:absolute;top:14px;left:14px;z-index:2}
.point-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.point-body h3{font-size:19px}
.point-body p{font-size:14.5px;line-height:1.8;color:var(--t2)}
.point-checks{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.point-checks span{
  font-size:12.5px;color:var(--t2);
  padding:6px 11px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);
}
.point-thumb-img{padding:0 0 0 0}
.point-card.img-top .point-thumb{padding:0}
.point-card.img-top .point-body{padding-top:20px}

/* 无图卡 */
.point-plain{background:linear-gradient(160deg,rgba(47,227,200,.1),rgba(18,28,52,.6))}
.point-plain .point-body{padding:26px 24px}
.point-plain .big-num{
  font-size:44px;font-weight:800;line-height:1;
  color:rgba(47,227,200,.28);
  font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-acc{display:flex;flex-direction:column;gap:12px}
.faq-acc .accordion-item{
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke-soft);
  border-radius:14px;
  overflow:hidden;
}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  display:flex;align-items:center;
  width:100%;padding:20px 22px;
  background:transparent;
  color:var(--t1);font-size:16px;font-weight:600;line-height:1.5;
  box-shadow:none;border:0;
  transition:color .2s ease,background-color .2s ease;
}
.faq-acc .accordion-button::before{
  content:"";flex:0 0 auto;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);margin-right:14px;
}
.faq-acc .accordion-button::after{
  filter:invert(1) brightness(1.7);
  opacity:.6;
  background-size:1rem;
}
.faq-acc .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--primary);
  box-shadow:inset 3px 0 0 var(--primary);
}
.faq-acc .accordion-button:not(.collapsed)::after{opacity:1}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.faq-acc .accordion-button:hover{color:var(--primary)}
.faq-acc .accordion-body{
  padding:0 22px 22px 42px;
  font-size:15px;line-height:1.85;color:var(--t2);
}
.faq-acc .accordion-collapse{border-top:1px solid var(--stroke-soft)}

/* ============ CTA 细条 ============ */
.cta-strip-wrap{padding:0 0 var(--sec-pad)}
.cta-strip{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;
  gap:26px;flex-wrap:wrap;
  padding:30px 34px;
  border-radius:var(--r-lg);
  background-image:
    linear-gradient(110deg,rgba(47,227,200,.16),rgba(5,7,15,.86) 55%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border:1px solid rgba(47,227,200,.28);
  box-shadow:var(--sh-glow);
}
.cta-strip h2{font-size:clamp(19px,2vw,24px);margin-bottom:8px}
.cta-strip p{font-size:14.5px;color:var(--t2);max-width:52em}
.cta-strip .cta-action{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:70px;
  position:relative;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.85;margin:16px 0 18px;max-width:36em}
.footer-search{
  display:flex;align-items:center;gap:6px;
  padding:5px 5px 5px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  transition:border-color .2s ease,box-shadow .2s ease;
  max-width:360px;
}
.footer-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 1px rgba(47,227,200,.3)}
.footer-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:var(--t1);font-size:14px;padding:9px 0;
}
.footer-search input::placeholder{color:var(--t3)}
.footer-search button{
  border:0;cursor:pointer;border-radius:999px;padding:9px 18px;
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));
  color:#05121A;font-size:13.5px;font-weight:600;line-height:1;
}
.footer-search button:hover{filter:brightness(1.08)}
.footer-col h4{
  font-size:14.5px;color:var(--t1);margin-bottom:16px;font-weight:700;
  letter-spacing:.4px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li a,.footer-col li span{font-size:14px;color:var(--t2)}
.footer-col li a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:var(--t3);
}
.footer-bottom .links{display:flex;gap:22px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec-pad:80px}
  .nav-link{padding:10px 8px;font-size:14px}
  .btn-nav{margin-left:4px;padding:11px 18px}
  .side-stack{position:static}
}
@media (max-width:991px){
  :root{--sec-pad:64px}
  .nav-links{display:none}
  .desktop-only{display:none}
  .mobile-search{display:block}
  .hamburger{display:block}
  .nav-wrap{min-height:64px}
  .site-header.scrolled .nav-wrap{min-height:60px}
  .cat-hero-inner{padding:44px 0}
  .point-wide .point-thumb img{height:210px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-strip{padding:26px 24px}
}
@media (max-width:767px){
  :root{--sec-pad:52px}
  body{font-size:15.5px}
  .container{padding-left:16px;padding-right:16px}
  .mobile-search{padding:0 16px 12px}
  .guide-item{grid-template-columns:44px 1fr;padding:16px;row-gap:8px}
  .guide-arrow{display:none}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .point-thumb img{height:180px}
  .point-wide .point-thumb img{height:190px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-search{max-width:100%}
  .cta-strip .cta-action{width:100%}
  .cta-strip .cta-action a{width:100%}
}
@media (max-width:575px){
  h1{font-size:26px}
  .guide-no{width:40px;height:40px;font-size:14px;border-radius:10px}
  .point-body{padding:16px}
  .point-plain .point-body{padding:20px 18px}
  .faq-acc .accordion-button{padding:16px;font-size:15px}
  .faq-acc .accordion-body{padding:0 16px 18px 36px}
  .footer-bottom{font-size:12px}
}