/* roulang page: index */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --panel:#0C1526;
  --panel-2:#111E36;
  --glass:rgba(16,28,52,.62);
  --glass-2:rgba(16,28,52,.42);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --text:#EAF2FF;
  --muted:#9AABC7;
  --primary:#19C8D8;
  --primary-soft:rgba(25,200,216,.14);
  --secondary:#5B6CFF;
  --gold:#FF9F43;
  --success:#39D98A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --radius-lg:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(25,200,216,.18);
  --nav-w:260px;
  --container:1240px;
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.78;color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 10% -8%,rgba(25,200,216,.15),transparent 42%),
    radial-gradient(circle at 92% 4%,rgba(91,108,255,.14),transparent 46%),
    linear-gradient(180deg,#060A14 0%,#0A1222 56%,#060A14 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t)}
a:hover,a:focus{color:#6FE7F2}
h1,h2,h3,h4{margin:0;color:#fff;font-weight:800;line-height:1.24;letter-spacing:.2px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}

/* ---------- 布局骨架 ---------- */
.app-shell{min-height:100vh}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:70;
  display:flex;flex-direction:column;gap:16px;
  padding:22px 16px 20px;
  background:linear-gradient(180deg,rgba(12,21,38,.94),rgba(8,14,28,.9));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  overflow-y:auto;overscroll-behavior:contain;
}
.content{margin-left:var(--nav-w);min-height:100vh;position:relative}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-tight{padding:64px 0}

/* ---------- 侧边导航 ---------- */
.side-brand{padding:6px 10px 16px;border-bottom:1px solid var(--line)}
.brand-mark{display:flex;align-items:flex-start;gap:10px}
.brand-dot{
  flex:0 0 auto;width:12px;height:12px;margin-top:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow:0 0 0 4px rgba(25,200,216,.14),0 0 18px rgba(25,200,216,.6);
}
.brand-text{
  font-size:17px;font-weight:800;line-height:1.35;color:#fff;letter-spacing:.2px;
}
.brand-sub{margin:8px 0 0;font-size:12.5px;color:var(--muted);line-height:1.6}
.side-links{display:flex;flex-direction:column;gap:6px;padding:6px 0}
.nav-link{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:var(--radius-sm);
  color:#C6D4EC;font-size:15px;font-weight:500;
  border:1px solid transparent;transition:all var(--t);
}
.nav-link i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color var(--t)}
.nav-link:hover{background:rgba(25,200,216,.08);border-color:var(--line);color:#fff}
.nav-link:hover i{color:var(--primary)}
.nav-link.active{
  background:var(--glass);border-color:var(--line-strong);color:#fff;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
}
.nav-link.active::before{
  content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:3px;height:60%;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
  box-shadow:0 0 14px rgba(25,200,216,.8);
}
.nav-link.active i{color:var(--primary)}
.side-foot{margin-top:auto;padding:16px 10px 4px;border-top:1px solid var(--line)}
.side-help{margin:10px 0 0;font-size:12.5px;color:var(--muted);line-height:1.6}
.side-help strong{color:#CBD9F2;font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t);
}
.btn-primary{background:linear-gradient(120deg,#19C8D8,#5B6CFF);color:#04121E;box-shadow:0 8px 24px rgba(25,200,216,.28)}
.btn-primary:hover{color:#04121E;transform:translateY(-2px);box-shadow:0 14px 34px rgba(25,200,216,.42)}
.btn-gold{background:linear-gradient(120deg,#FF9F43,#FFC46B);color:#2B1500;box-shadow:0 8px 24px rgba(255,159,67,.28)}
.btn-gold:hover{color:#2B1500;transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,159,67,.44)}
.btn-ghost{background:rgba(16,28,52,.55);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{color:#fff;background:rgba(25,200,216,.12);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0) scale(.985)}

/* ---------- 通用 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(25,200,216,.1);border:1px solid var(--line-strong);
  color:#9FE9F2;font-size:13px;font-weight:600;letter-spacing:.3px;
}
.pill-gold{background:rgba(255,159,67,.12);border-color:rgba(255,159,67,.34);color:#FFC98E}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(91,108,255,.16);border:1px solid rgba(91,108,255,.34);color:#C3CBFF;
}
.badge-soft{background:rgba(6,10,20,.72);border-color:var(--line-strong);color:#BFEAF3;backdrop-filter:blur(8px)}
.badge-success{background:rgba(57,217,138,.14);border-color:rgba(57,217,138,.36);color:#8DF0BC}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--primary);text-transform:uppercase;
}
.section-title{font-size:clamp(24px,2.5vw,34px)}
.section-desc{margin:14px 0 0;max-width:720px;color:var(--muted);font-size:15.5px;line-height:1.8}
.divider-line{height:1px;background:linear-gradient(90deg,rgba(120,220,255,.3),rgba(120,220,255,0));border:0;margin:0}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{display:none}
.nav-overlay{
  position:fixed;inset:0;background:rgba(4,8,16,.72);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:65;
}
.nav-overlay.show{opacity:1;visibility:visible}
.burger{
  width:44px;height:44px;border-radius:12px;
  background:rgba(16,28,52,.7);border:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#CFE4F5;transition:all var(--t)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(6,10,20,.97) 0%,rgba(6,10,20,.88) 46%,rgba(6,10,20,.6) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(120,220,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.06) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.hero-inner{position:relative;z-index:2;padding:92px 0 96px}
.hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.2;letter-spacing:.4px;
}
.hero-sub{margin:20px 0 0;max-width:620px;font-size:17px;color:#B9C9E2;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:34px}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.trust-row i{color:var(--primary);font-size:13px}

/* ---------- 玻璃状态卡 ---------- */
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.status-card{padding:26px 24px;position:relative;overflow:hidden}
.status-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:.75;
}
.status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.status-title{font-size:16px;font-weight:700;color:#fff}
.status-list{margin:18px 0 20px;display:flex;flex-direction:column;gap:12px}
.status-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:#C4D3EA}
.status-list li span:last-child{color:#fff;font-weight:600}
.status-note{margin:14px 0 0;font-size:12.5px;color:var(--muted);text-align:center}
.pulse-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 0 rgba(57,217,138,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(57,217,138,.55)}
  70%{box-shadow:0 0 0 10px rgba(57,217,138,0)}
  100%{box-shadow:0 0 0 0 rgba(57,217,138,0)}
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.stat-item{background:linear-gradient(180deg,rgba(17,30,54,.9),rgba(12,21,38,.9));padding:26px 22px}
.stat-num{font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.5px}
.stat-num em{font-style:normal;font-size:15px;color:var(--primary);margin-left:4px;font-weight:700}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--muted)}

/* ---------- 分类入口卡 ---------- */
.entry-card{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A1222}
.entry-thumb img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .5s ease,opacity var(--t)}
.entry-card:hover .entry-thumb img{transform:scale(1.05);opacity:1}
.entry-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.1),rgba(6,10,20,.85))}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:19px;margin-bottom:10px}
.entry-body p{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:18px}
.entry-link{margin-top:auto;font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:7px}
.entry-link i{transition:transform var(--t)}
.entry-card:hover .entry-link i{transform:translateX(4px)}

/* ---------- 优惠阶梯 ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.tier-card{
  position:relative;padding:28px 24px 26px;
  background:linear-gradient(180deg,rgba(17,30,54,.86),rgba(12,21,38,.92));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tier-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.tier-index{
  font-size:13px;font-weight:800;letter-spacing:2px;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.tier-card h3{margin:12px 0 10px;font-size:20px}
.tier-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.tier-list li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:#C4D3EA}
.tier-list i{color:var(--success);margin-top:5px;font-size:12px}
.tier-card .btn{width:100%}
.tier-card.is-hot{border-color:rgba(255,159,67,.42);box-shadow:0 16px 44px rgba(255,159,67,.14)}
.tier-card.is-hot .tier-index{color:var(--gold)}

/* ---------- 套餐对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 24px;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.plan-card:hover{box-shadow:var(--shadow-hover)}
.plan-card.is-featured{
  transform:translateY(-10px);
  background:linear-gradient(180deg,rgba(25,200,216,.1),rgba(12,21,38,.94));
  border-color:rgba(25,200,216,.45);
  box-shadow:0 18px 48px rgba(25,200,216,.2);
}
.plan-name{font-size:17px;font-weight:700;color:#fff}
.plan-price{margin:14px 0 4px;font-size:32px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.plan-price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px}
.plan-note{font-size:13px;color:var(--muted);margin-bottom:20px}
.plan-rows{border-top:1px solid var(--line);padding-top:16px;margin-bottom:22px;display:flex;flex-direction:column;gap:12px}
.plan-row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;color:#C4D3EA}
.plan-row i.yes{color:var(--success)}
.plan-row i.no{color:#4C5B77}
.plan-card .btn{margin-top:auto}

/* ---------- 限时入口 ---------- */
.flash-banner{
  position:relative;overflow:hidden;
  border:1px solid rgba(255,159,67,.32);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(255,159,67,.12),rgba(12,21,38,.95) 52%,rgba(25,200,216,.12));
  padding:34px 36px;
}
.flash-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 8px);
  opacity:.9;
}
.flash-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.flash-text h2{font-size:clamp(21px,2.2vw,28px);margin-bottom:10px}
.flash-text p{color:#C9D6EC;font-size:15px;margin:0}
.countdown{display:flex;gap:10px;align-items:center}
.cd-block{
  min-width:70px;padding:12px 8px;text-align:center;
  background:rgba(6,10,20,.7);border:1px solid rgba(255,159,67,.3);border-radius:var(--radius-sm);
}
.cd-num{font-size:26px;font-weight:800;color:#FFC98E;font-variant-numeric:tabular-nums;line-height:1.1}
.cd-label{font-size:11.5px;color:var(--muted);margin-top:4px;letter-spacing:1px}

/* ---------- 最新信息列表 ---------- */
.post-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.post-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#0A1222}
.post-thumb img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .5s ease,opacity var(--t)}
.post-card:hover .post-thumb img{transform:scale(1.05);opacity:1}
.post-thumb .badge{position:absolute;left:12px;top:12px;z-index:2}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:16.5px;line-height:1.5;margin-bottom:10px}
.post-title a{color:#fff}
.post-title a:hover{color:var(--primary)}
.post-excerpt{
  color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.link-more{font-size:13.5px;font-weight:700}
.empty-state{
  padding:56px 24px;text-align:center;color:var(--muted);
  background:var(--panel);border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
}
.empty-state i{display:block;font-size:26px;color:var(--primary);margin-bottom:12px;opacity:.7}

/* ---------- 用户反馈 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{
  background:linear-gradient(180deg,rgba(17,30,54,.8),rgba(12,21,38,.9));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px;
}
.quote-card p{color:#C7D5EC;font-size:14.5px;line-height:1.85}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(25,200,216,.9),rgba(91,108,255,.9));
  color:#04121E;font-weight:800;font-size:15px;
}
.quote-user strong{display:block;font-size:14px;color:#fff;font-weight:700}
.quote-user span{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  backdrop-filter:blur(14px);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:0 12px 34px rgba(25,200,216,.12)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:19px 56px 19px 24px;
  font-size:16.5px;font-weight:700;color:#fff;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
  opacity:0;transition:opacity var(--t);
}
.faq-item[open] summary::before{opacity:1;box-shadow:0 0 16px rgba(25,200,216,.8)}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--primary);transition:transform var(--t);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- 表单 ---------- */
.form-panel{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:32px;
  backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:#CBD9F2}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(6,10,20,.72);border:1px solid var(--line);
  color:var(--text);font-size:14.5px;transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:118px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#63748F}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(25,200,216,.16);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,92,122,.14)}
.field.success input{border-color:var(--success)}
.field-msg{font-size:12.5px;color:var(--danger);min-height:16px}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted)}
.checkbox-row input{width:17px;height:17px;margin-top:3px;accent-color:#19C8D8;flex:0 0 auto}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-hint{font-size:13px;color:var(--muted)}
.form-result{margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);font-size:14px;display:none}
.form-result.ok{display:block;background:rgba(57,217,138,.12);border:1px solid rgba(57,217,138,.34);color:#8DF0BC}
.form-result.bad{display:block;background:rgba(255,92,122,.12);border:1px solid rgba(255,92,122,.34);color:#FF9DB1}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(8,14,28,.6),rgba(6,10,20,.98));
  border-top:1px solid var(--line);
}
.footer-brand .brand-text{font-size:18px}
.footer-desc{margin-top:14px;color:var(--muted);font-size:14px;line-height:1.85;max-width:340px}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links span{color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#71829C;
}
.footer-bottom a{color:#8FA3C0}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .container{max-width:1180px}
}
@media screen and (max-width:1139px){
  .container{padding:0 30px}
  .section{padding:80px 0}
  .hero-inner{padding:76px 0 80px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:1023px){
  .side-nav{transform:translateX(-100%);transition:transform .3s ease;width:284px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
  .side-nav.open{transform:translateX(0)}
  .content{margin-left:0;padding-top:60px}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:60px;padding:0 18px;z-index:68;
    background:rgba(8,14,28,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px);
  }
  .mobile-bar .brand-text{font-size:15px;max-width:200px}
  .mobile-bar .brand-dot{width:10px;height:10px;margin-top:6px}
  .tiers,.plans,.quote-grid{grid-template-columns:1fr}
  .plan-card.is-featured{transform:none}
  .flash-banner{padding:26px 22px}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .section{padding:58px 0}
  .section-tight{padding:44px 0}
  .hero-inner{padding:56px 0 62px}
  .hero-sub{font-size:15.5px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-panel{padding:22px 18px}
  .countdown{gap:8px}
  .cd-block{min-width:60px;padding:10px 6px}
  .cd-num{font-size:21px}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15.5px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:519px){
  .btn{padding:12px 18px;font-size:14px}
  .brand-text{font-size:15px}
  .flash-inner{gap:20px}
  .status-card{padding:20px 18px}
}

/* roulang page: article */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --panel:#0C1526;
  --panel-2:#111E36;
  --glass:rgba(16,28,52,.62);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.30);
  --text:#EAF2FF;
  --muted:#9AABC7;
  --primary:#19C8D8;
  --secondary:#5B6CFF;
  --accent:#FF9F43;
  --ok:#39D98A;
  --warn:#FFB020;
  --err:#FF5C7A;
  --radius-lg:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(25,200,216,.18);
  --nav-w:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",Arial,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 560px at 10% -12%, rgba(25,200,216,.14), transparent 62%),
    radial-gradient(900px 520px at 96% 2%, rgba(91,108,255,.14), transparent 60%),
    var(--bg-0);
  min-height:100vh;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
a:hover{color:#7FE7F2;}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:#fff;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(25,200,216,.32);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}

/* ============ 布局骨架 ============ */
.app-shell{display:flex;min-height:100vh;}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nav-w);
  display:flex;flex-direction:column;gap:22px;
  padding:26px 18px 22px;
  background:linear-gradient(180deg,rgba(12,21,38,.92),rgba(6,10,20,.94));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  overflow-y:auto;
  z-index:60;
}
.main-area{
  margin-left:var(--nav-w);
  flex:1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

/* ============ 品牌 ============ */
.brand-mark{
  display:flex;align-items:flex-start;gap:10px;
  text-decoration:none;
}
.brand-dot{
  flex:0 0 auto;width:12px;height:12px;margin-top:7px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, #9FF6FF, var(--primary) 55%, var(--secondary));
  box-shadow:0 0 14px rgba(25,200,216,.85);
}
.brand-text{
  font-size:18px;font-weight:800;line-height:1.38;
  color:#fff;letter-spacing:.4px;
}
.brand-sub{
  margin-top:8px;font-size:12.5px;color:var(--muted);letter-spacing:.6px;
}
.side-nav .brand-block{padding-bottom:16px;border-bottom:1px dashed rgba(120,220,255,.18);}

/* ============ 侧栏导航 ============ */
.side-links{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;}
.side-links .nav-link{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  color:var(--muted);
  font-size:15px;font-weight:600;
  line-height:1.4;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.side-links .nav-link i{width:18px;text-align:center;font-size:14.5px;opacity:.9;}
.side-links .nav-link:hover{
  color:#fff;
  background:rgba(25,200,216,.08);
  border-color:var(--line);
  transform:translateX(2px);
}
.side-links .nav-link.active{
  color:#fff;
  background:linear-gradient(90deg,rgba(25,200,216,.20),rgba(91,108,255,.10));
  border-color:rgba(25,200,216,.34);
  box-shadow:0 10px 26px rgba(25,200,216,.12);
}
.side-links .nav-link.active::before{
  content:"";position:absolute;left:-9px;top:11px;bottom:11px;width:3px;border-radius:var(--radius-pill);
  background:linear-gradient(180deg,var(--primary),var(--secondary));
  box-shadow:0 0 12px rgba(25,200,216,.85);
}
.side-footer{display:flex;flex-direction:column;gap:14px;padding-top:16px;border-top:1px dashed rgba(120,220,255,.18);}
.side-meta{display:flex;flex-direction:column;gap:7px;font-size:12.5px;color:var(--muted);}
.side-meta i{color:var(--primary);margin-right:6px;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:62px;
  align-items:center;justify-content:space-between;
  gap:12px;padding:0 16px;
  background:rgba(8,14,26,.90);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.mobile-bar .brand-text{font-size:15px;line-height:1.2;max-width:70vw;}
.nav-toggle{
  flex:0 0 auto;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(16,28,52,.7);
  color:#fff;font-size:17px;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-toggle:hover{border-color:var(--line-strong);box-shadow:0 0 16px rgba(25,200,216,.28);}
.nav-toggle:active{transform:scale(.96);}
.nav-scrim{
  position:fixed;inset:0;background:rgba(3,6,12,.66);
  backdrop-filter:blur(2px);z-index:55;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.3px;
  cursor:pointer;text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn i{font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#04121C;
  box-shadow:0 10px 28px rgba(25,200,216,.30);
}
.btn-primary:hover{color:#04121C;transform:translateY(-2px);box-shadow:0 16px 38px rgba(25,200,216,.42);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-accent{
  background:linear-gradient(135deg,#FFC165,var(--accent));
  color:#2A1500;
  box-shadow:0 10px 28px rgba(255,159,67,.30);
}
.btn-accent:hover{color:#2A1500;transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,159,67,.44);}
.btn-accent:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.30);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}

/* ============ 面包屑与徽章 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
  padding:26px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .crumb-current{
  color:#CFE0F5;max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:#C6D8F0;
}
.badge i{color:var(--primary);font-size:12px;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:var(--radius-pill);
  background:rgba(25,200,216,.12);border:1px solid rgba(25,200,216,.28);
  color:#8FE6F0;font-size:12.5px;font-weight:600;
}

/* ============ 文章头部 ============ */
.article-head{
  position:relative;
  padding:14px 0 34px;
  border-bottom:1px solid var(--line);
}
.article-head::after{
  content:"";position:absolute;right:0;top:34px;width:180px;height:120px;
  background-image:radial-gradient(rgba(120,220,255,.22) 1px, transparent 1px);
  background-size:14px 14px;
  opacity:.5;pointer-events:none;
}
.article-title{
  margin:26px 0 18px;
  font-size:46px;line-height:1.24;letter-spacing:.4px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  font-size:13.5px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-item i{color:var(--primary);font-size:13px;}

/* ============ 文章主体 ============ */
.article-main{padding:52px 0 20px;}
.article-cover{
  max-width:920px;margin:0 auto 46px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  position:relative;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,0) 45%,rgba(6,10,20,.72) 100%);
  pointer-events:none;
}
.article-body{
  max-width:820px;margin:0 auto;
  font-size:17px;line-height:1.85;color:#DCE7F7;
  word-wrap:break-word;
}
.article-body p{margin:0 0 1.5em;}
.article-body h2{
  font-size:26px;margin:2.1em 0 .85em;padding-left:14px;
  border-left:3px solid var(--primary);
  color:#fff;
}
.article-body h3{font-size:20px;margin:1.8em 0 .7em;color:#fff;}
.article-body h4{font-size:17px;margin:1.6em 0 .6em;color:#fff;}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.55em;}
.article-body li::marker{color:var(--primary);}
.article-body img{border-radius:14px;margin:1.7em 0;border:1px solid var(--line);}
.article-body a{color:var(--primary);border-bottom:1px dashed rgba(25,200,216,.5);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;
  background:var(--glass);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);
  color:#C9D9EE;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body strong{color:#fff;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;
  background:rgba(12,21,38,.55);border-radius:var(--radius-sm);overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;line-height:1.6;
}
.article-body th{background:rgba(25,200,216,.10);color:#fff;font-weight:700;}
.article-body code{
  background:rgba(25,200,216,.12);color:#9FF6FF;padding:2px 7px;border-radius:6px;font-size:.92em;
}
.article-body hr{border:0;border-top:1px dashed rgba(120,220,255,.2);margin:2.4em 0;}

/* 正文内插入位 */
.inline-cta{
  max-width:820px;margin:40px auto;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(25,200,216,.13),rgba(91,108,255,.10));
  border:1px solid rgba(25,200,216,.28);
  box-shadow:var(--shadow);
}
.inline-cta .inline-cta-text{flex:1 1 320px;}
.inline-cta h3{font-size:19px;margin-bottom:6px;}
.inline-cta p{font-size:14.5px;color:#B9CBE6;}
.inline-cta .inline-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 空态 */
.empty-state{
  max-width:820px;margin:0 auto;
  text-align:center;padding:60px 30px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.empty-state i{font-size:34px;color:var(--accent);margin-bottom:16px;display:block;}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:24px;}

/* ============ 板块通用 ============ */
.section{padding:76px 0;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}

/* ============ 相关推荐 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.rec-thumb{display:block;position:relative;overflow:hidden;}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.rec-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body h3 a{color:#fff;}
.rec-body h3 a:hover{color:var(--primary);}
.rec-body p{
  font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.rec-foot .more{color:var(--primary);font-weight:700;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-accordion.accordion{border:0;background:transparent;margin:0;}
.faq-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:var(--line-strong);}
.faq-accordion .accordion-title{
  position:relative;
  display:block;
  padding:18px 52px 18px 22px;
  background:transparent;
  border:0;
  color:#fff;
  font-size:17px;
  font-weight:700;
  line-height:1.5;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus{background:rgba(25,200,216,.06);}
.faq-accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:13px;margin:0;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  content:"\f068";
  transform:translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-item.is-active{
  border-color:rgba(25,200,216,.34);
  box-shadow:0 12px 30px rgba(25,200,216,.12);
}
.faq-accordion .accordion-item.is-active .accordion-title{
  box-shadow:inset 3px 0 0 var(--primary);
}
.faq-accordion .accordion-content{
  background:transparent;
  border-top:1px solid var(--line);
  color:#C3D4EA;
  padding:16px 22px 18px;
  font-size:15.5px;
  line-height:1.75;
}
.faq-accordion .accordion-content p{margin-bottom:10px;color:#C3D4EA;}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  max-width:1100px;margin:0 auto;
  padding:40px 44px;
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(25,200,216,.16),rgba(91,108,255,.12)),var(--panel);
  border:1px solid rgba(25,200,216,.30);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,220,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.07) 1px,transparent 1px);
  background-size:34px 34px;opacity:.6;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-inner h2{font-size:28px;margin-bottom:10px;}
.cta-inner p{color:#B9CBE6;font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  padding:64px 0 26px;
  background:linear-gradient(180deg,rgba(6,10,20,0),rgba(8,14,28,.92));
  border-top:1px solid var(--line);
}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;max-width:360px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:#B9CBE6;}
.footer-bottom a:hover{color:var(--primary);}
.site-footer .grid-x{align-items:flex-start;}

/* ============ 响应式 ============ */
@media screen and (max-width:1439px){
  .article-title{font-size:42px;}
}
@media screen and (max-width:1023px){
  .mobile-bar{display:flex;}
  .side-nav{
    width:284px;
    transform:translateX(-102%);
    transition:transform .28s ease;
    box-shadow:0 20px 60px rgba(0,0,0,.6);
    padding-top:22px;
  }
  .side-nav.is-open{transform:translateX(0);}
  .side-nav .brand-block{display:none;}
  .main-area{margin-left:0;padding-top:62px;}
  .container{padding:0 26px;}
  .article-title{font-size:34px;margin-top:20px;}
  .article-main{padding:40px 0 10px;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:60px 0;}
  .section-head h2{font-size:27px;}
  .cta-panel{padding:32px 28px;}
  .cta-inner h2{font-size:24px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .article-title{font-size:28px;}
  .article-meta{gap:10px 14px;font-size:13px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .article-cover{margin-bottom:32px;}
  .rec-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .inline-cta{padding:20px;flex-direction:column;align-items:flex-start;}
  .inline-cta .inline-cta-actions{width:100%;}
  .inline-cta .btn{flex:1 1 auto;}
  .cta-panel{padding:26px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --bg:#060A14;
  --bg-2:#0A1222;
  --panel:#0C1526;
  --panel-2:#111E36;
  --glass:rgba(16,28,52,.62);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.32);
  --text:#EAF2FF;
  --muted:#9AABC7;
  --cyan:#19C8D8;
  --indigo:#5B6CFF;
  --gold:#FF9F43;
  --gold-2:#FFB020;
  --ok:#39D98A;
  --warn:#FFB020;
  --err:#FF5C7A;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(25,200,216,.18);
  --sp-section:104px;
  --sidebar-w:260px;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(25,200,216,.10), transparent 62%),
    radial-gradient(900px 560px at 10% 6%, rgba(91,108,255,.12), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.2px;line-height:1.28;}
h1{font-size:clamp(32px,4vw,50px);}
h2{font-size:clamp(25px,2.6vw,34px);}
h3{font-size:clamp(18px,1.6vw,22px);}
h4{font-size:16px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

::selection{background:rgba(25,200,216,.32);color:#fff;}

.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--cyan);color:#04121c;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;font-weight:700;
}
.skip-link:focus{left:0;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 26px;
}

/* ============ 顶部移动导航 ============ */
.mobile-topbar{
  display:none;
  position:sticky;top:0;z-index:80;
  height:60px;
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(9,16,30,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.mobile-topbar .brand-mark{font-size:15px;}
.menu-toggle{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--cyan);font-size:17px;
}
.menu-toggle:hover{border-color:var(--line-strong);}

/* ============ 品牌 ============ */
.brand-mark{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;line-height:1.35;
  letter-spacing:.3px;
}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(25,200,216,.16),0 0 14px rgba(25,200,216,.85);
  flex:0 0 auto;
}
.brand-text{color:var(--text);}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;
  width:var(--sidebar-w);height:100vh;
  padding:26px 20px 22px;
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(12,21,38,.94),rgba(8,14,26,.97));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  z-index:90;
}
.sidebar-inner{
  display:flex;flex-direction:column;height:100%;
  overflow-y:auto;overflow-x:hidden;
  scrollbar-width:thin;
  scrollbar-color:rgba(120,220,255,.28) transparent;
}
.sidebar-inner::-webkit-scrollbar{width:6px;}
.sidebar-inner::-webkit-scrollbar-thumb{background:rgba(120,220,255,.22);border-radius:8px;}
.sidebar .brand-mark{margin-bottom:8px;}
.brand-sub{
  font-size:12.5px;color:var(--muted);letter-spacing:.4px;
  margin:0 0 22px;padding-left:20px;
}
.side-links{
  display:flex;flex-direction:column;gap:6px;
  padding:14px 0 18px;
  border-top:1px solid rgba(120,220,255,.10);
  border-bottom:1px solid rgba(120,220,255,.10);
}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:11px 12px 11px 14px;
  border-radius:var(--r-md);
  font-size:14.5px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all .2s ease;
}
.nav-link i{width:18px;text-align:center;font-size:14px;color:rgba(154,171,199,.8);transition:color .2s ease;}
.nav-link span{flex:1;}
.nav-link:hover{
  color:var(--text);
  background:rgba(25,200,216,.07);
  border-color:var(--line);
}
.nav-link:hover i{color:var(--cyan);}
.nav-link.active{
  color:var(--text);
  background:var(--glass);
  border-color:var(--line-strong);
  box-shadow:inset 0 0 22px rgba(25,200,216,.08);
}
.nav-link.active i{color:var(--cyan);}
.nav-link.active::before{
  content:"";
  position:absolute;left:-1px;top:50%;transform:translateY(-50%);
  width:3px;height:60%;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--cyan),var(--indigo));
  box-shadow:0 0 12px rgba(25,200,216,.85);
}
.sidebar-foot{margin-top:auto;padding-top:20px;}
.side-meta{
  display:flex;flex-direction:column;gap:7px;
  margin-top:14px;font-size:12.5px;color:var(--muted);
}
.side-meta i{color:var(--cyan);margin-right:6px;font-size:12px;}

.backdrop{
  display:none;position:fixed;inset:0;z-index:85;
  background:rgba(3,7,14,.68);backdrop-filter:blur(3px);
}
.backdrop.show{display:block;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0) scale(.985);}
.btn-primary{
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  color:#04121c;
  box-shadow:0 12px 28px rgba(25,200,216,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(25,200,216,.4);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.btn-gold{
  background:linear-gradient(120deg,var(--gold-2),var(--gold));
  color:#2A1400;
  box-shadow:0 12px 28px rgba(255,159,67,.26);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,159,67,.42);}
.btn-block{width:100%;}
.btn-lg{padding:14px 30px;font-size:16px;}

/* ============ 主内容 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.4px;color:var(--cyan);
  text-transform:uppercase;font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.section-desc{color:var(--muted);font-size:16px;margin-top:14px;}

.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  backdrop-filter:blur(8px);
}
.pill-cyan{color:var(--cyan);border-color:rgba(25,200,216,.34);}
.pill-gold{color:var(--gold-2);border-color:rgba(255,176,32,.34);}
.pill-ok{color:var(--ok);border-color:rgba(57,217,138,.34);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:88px 0 76px;
  overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(5,9,18,.96) 0%,rgba(6,11,22,.86) 46%,rgba(6,10,20,.7) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 70% at 70% 40%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 70% at 70% 40%,#000,transparent 78%);
}
.cat-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.crumbs a:hover{color:var(--cyan);}
.crumbs i{font-size:10px;opacity:.7;}
.cat-hero h1{margin:16px 0 18px;}
.cat-hero .lead{
  font-size:17px;color:#C4D3EA;max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13.5px;color:var(--muted);
}
.trust-row span{display:inline-flex;align-items:center;gap:8px;}
.trust-row i{color:var(--cyan);font-size:13px;}

.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  backdrop-filter:blur(16px);
  box-shadow:var(--sh);
}
.status-card{margin-top:8px;}
.status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.status-card h3{margin-bottom:6px;font-size:20px;}
.status-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.status-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.status-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;padding-bottom:12px;
  border-bottom:1px dashed rgba(120,220,255,.14);
}
.status-list li:last-child{border-bottom:none;padding-bottom:0;}
.status-list .k{color:var(--muted);}
.status-list .v{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums;}
.status-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;text-align:center;}

/* ============ 图文卡 ============ */
.figure-card{
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
  gap:0;overflow:hidden;
  background:linear-gradient(160deg,var(--panel),#0A1425);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
}
.figure-media{position:relative;min-height:330px;}
.figure-media img{width:100%;height:100%;object-fit:cover;}
.figure-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,10,20,.18),rgba(6,10,20,.72));
}
.figure-body{padding:38px 36px;}
.figure-body h2{margin-bottom:12px;font-size:clamp(22px,2.2vw,30px);}
.figure-body > p{color:var(--muted);margin-bottom:22px;font-size:15.5px;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:#CBD8EC;}
.check-list i{color:var(--cyan);font-size:14px;margin-top:6px;}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(25,200,216,.7),rgba(91,108,255,.35),transparent);
}
.step{position:relative;padding:0 0 34px 66px;}
.step:last-child{padding-bottom:0;}
.step-num{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;
  color:#04121c;
  background:linear-gradient(140deg,var(--cyan),var(--indigo));
  box-shadow:0 10px 24px rgba(25,200,216,.28);
}
.step-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 24px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.step-card h3{margin-bottom:8px;font-size:19px;}
.step-card p{color:var(--muted);font-size:15px;margin:0;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ============ 信息卡网格 ============ */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:22px;}
.info-card{
  position:relative;
  background:linear-gradient(165deg,var(--panel-2),#0A1425);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  overflow:hidden;
}
.info-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(25,200,216,.6),transparent);
  opacity:0;transition:opacity .22s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.info-card:hover::before{opacity:1;}
.info-icon{
  width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(25,200,216,.10);
  border:1px solid rgba(25,200,216,.24);
  color:var(--cyan);font-size:18px;margin-bottom:18px;
}
.info-card h3{font-size:18.5px;margin-bottom:10px;}
.info-card p{color:var(--muted);font-size:14.5px;margin:0;}
.info-card .meta-line{
  margin-top:16px;font-size:13px;color:var(--cyan);
  display:inline-flex;align-items:center;gap:7px;
}

/* ============ 提示条 ============ */
.notice-bar{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 24px;
  border-radius:var(--r-lg);
  background:linear-gradient(100deg,rgba(255,159,67,.10),rgba(12,21,38,.9));
  border:1px solid rgba(255,176,32,.28);
  position:relative;overflow:hidden;
}
.notice-bar::after{
  content:"";position:absolute;right:-30px;top:-40px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.16),transparent 68%);
}
.notice-bar i.lead-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,176,32,.14);color:var(--gold-2);font-size:18px;
}
.notice-bar h3{font-size:18px;margin-bottom:6px;}
.notice-bar p{color:#D8C4A8;font-size:14.5px;margin:0;}

/* ============ 话题聚合 ============ */
.topic-wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:26px;align-items:start;}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag-group a{
  padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(16,28,52,.66);
  border:1px solid var(--line);
  font-size:13.5px;color:#C4D3EA;
}
.tag-group a:hover{color:var(--cyan);border-color:rgba(25,200,216,.42);transform:translateY(-1px);}
.rank-list{display:flex;flex-direction:column;gap:2px;}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:15px 16px;border-radius:var(--r-md);
  border:1px solid transparent;
  transition:all .2s ease;
}
.rank-item:hover{background:rgba(25,200,216,.06);border-color:var(--line);}
.rank-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:800;font-variant-numeric:tabular-nums;
  background:rgba(120,220,255,.10);color:var(--muted);
  border:1px solid var(--line);
}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(140deg,var(--cyan),var(--indigo));color:#04121c;border-color:transparent;}
.rank-item:nth-child(2) .rank-num{background:rgba(255,159,67,.16);color:var(--gold-2);border-color:rgba(255,159,67,.3);}
.rank-title{flex:1;font-size:15px;color:#DCE7F7;}
.rank-count{
  font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(120,220,255,.07);border:1px solid var(--line);
}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;}
.stat-box{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 16px;text-align:center;
}
.stat-box .num{
  font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-box .lbl{font-size:12.5px;color:var(--muted);margin-top:4px;}

.topic-panel{
  background:linear-gradient(165deg,var(--panel-2),#0A1425);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
}
.topic-panel h3{font-size:19px;margin-bottom:16px;}
.avatar-row{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.avatar-stack{display:flex;}
.avatar{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;color:#04121c;
  border:2px solid #0A1425;margin-left:-10px;
}
.avatar:first-child{margin-left:0;}
.avatar.a1{background:linear-gradient(140deg,#19C8D8,#5B6CFF);}
.avatar.a2{background:linear-gradient(140deg,#FFB020,#FF9F43);color:#2A1400;}
.avatar.a3{background:linear-gradient(140deg,#5B6CFF,#19C8D8);}
.avatar.a4{background:linear-gradient(140deg,#39D98A,#19C8D8);}
.avatar-note{font-size:13px;color:var(--muted);}
.quote-list{display:flex;flex-direction:column;gap:14px;}
.quote-list li{
  font-size:14.5px;color:#C4D3EA;
  padding:14px 16px;border-radius:var(--r-md);
  background:rgba(12,21,38,.72);
  border:1px solid var(--line);
}
.quote-list span{display:block;font-size:12.5px;color:var(--muted);margin-top:8px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--cyan),var(--indigo));
  opacity:0;transition:opacity .22s ease;
}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);
}
.faq-q i{color:var(--cyan);font-size:14px;transition:transform .26s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{
  padding:0 24px 22px;margin:0;color:var(--muted);font-size:15px;line-height:1.85;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:32px;align-items:center;
  padding:46px 44px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    linear-gradient(110deg,rgba(12,21,38,.94),rgba(10,18,34,.86)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(120,220,255,.06) 0 1px,transparent 1px 12px);
  opacity:.55;
}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h2{margin-bottom:12px;font-size:clamp(22px,2.3vw,30px);}
.cta-panel p{color:var(--muted);margin:0;font-size:15.5px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .hint{font-size:12.5px;color:var(--muted);text-align:center;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  background:linear-gradient(180deg,rgba(10,18,34,.6),rgba(6,10,20,.98));
  border-top:1px solid var(--line);
  padding:64px 0 30px;
}
.footer-brand .brand-mark{margin-bottom:16px;}
.footer-desc{color:var(--muted);font-size:14px;max-width:360px;margin:0;}
.footer-title{
  font-size:14px;letter-spacing:1px;color:var(--text);
  margin-bottom:16px;font-weight:700;
}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted);}
.footer-links a{color:var(--muted);}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(120,220,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--cyan);}
.site-footer .grid-x > div{margin-bottom:26px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px;}
  .figure-body{padding:30px 28px;}
}

@media (max-width:1023px){
  :root{--sp-section:78px;}
  .mobile-topbar{display:flex;}
  .sidebar{
    width:280px;max-width:86vw;
    transform:translateX(-102%);
    transition:transform .28s ease;
    box-shadow:0 20px 60px rgba(0,0,0,.6);
  }
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  .cat-hero{padding:64px 0 58px;background-position:center;}
  .figure-card{grid-template-columns:1fr;}
  .figure-media{min-height:240px;}
  .topic-wrap{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:36px 28px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}
  .cta-actions .hint{flex-basis:100%;text-align:left;}
}

@media (max-width:767px){
  :root{--sp-section:64px;}
  body{font-size:15.5px;}
  .section{padding:var(--sp-section) 0;}
  .section-head{margin-bottom:30px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero .lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .info-grid{grid-template-columns:1fr;}
  .timeline::before{left:19px;}
  .step{padding-left:56px;}
  .step-num{width:40px;height:40px;border-radius:12px;font-size:15px;}
  .notice-bar{flex-direction:column;gap:14px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .faq-q{padding:17px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px;}
  .glass-card{padding:22px 20px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding:48px 0 24px;}
}

@media (max-width:519px){
  .container{padding:0 16px;}
  .cat-hero{padding:48px 0 44px;}
  .stat-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px 20px;}
  .figure-body{padding:24px 20px;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .trust-row{gap:8px 16px;font-size:13px;}
  .rank-item{gap:11px;padding:13px 12px;}
  .rank-title{font-size:14px;}
}

/* roulang page: category2 */
:root{
  --bg:#060A14;
  --bg-2:#0A1222;
  --panel:#0C1526;
  --panel-2:#111E36;
  --glass:rgba(16,28,52,.62);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.32);
  --text:#EAF2FF;
  --muted:#9AABC7;
  --primary:#19C8D8;
  --indigo:#5B6CFF;
  --gold:#FF9F43;
  --success:#39D98A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --radius-lg:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(25,200,216,.18);
  --sidebar-w:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(25,200,216,.12), transparent 62%),
    radial-gradient(900px 520px at 8% 12%, rgba(91,108,255,.12), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.tnum{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px;}

/* ============ 侧边导航 ============ */
.site-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(12,21,38,.96),rgba(6,10,20,.99));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  z-index:70;
}
.sidebar-brand{
  padding:26px 22px 20px;
  border-bottom:1px solid var(--line);
}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-dot{
  width:11px;height:11px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,#7FF3FF,var(--primary) 58%,rgba(25,200,216,.2));
  box-shadow:0 0 14px rgba(25,200,216,.75);
  flex:0 0 auto;
}
.brand-text{
  font-size:16px;font-weight:800;line-height:1.42;color:var(--text);
  letter-spacing:.02em;
}
.brand-sub{margin-top:8px;font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
.sidebar-scroll{flex:1 1 auto;overflow-y:auto;padding:18px 14px;}
.sidebar-label{
  font-size:11.5px;letter-spacing:.18em;color:rgba(154,171,199,.75);
  text-transform:uppercase;padding:0 10px 10px;
}
.side-links{display:flex;flex-direction:column;gap:6px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--radius-sm);
  color:var(--muted);font-size:14.5px;font-weight:500;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-link i{width:18px;text-align:center;font-size:14px;color:rgba(154,171,199,.85);transition:color .2s ease;}
.nav-link:hover{background:rgba(25,200,216,.08);color:var(--text);border-color:var(--line);}
.nav-link:hover i{color:var(--primary);}
.nav-link.active{
  background:var(--glass);border-color:var(--line);color:#fff;font-weight:700;
  box-shadow:0 8px 24px rgba(25,200,216,.12);
}
.nav-link.active i{color:var(--primary);}
.nav-link.active::before{
  content:"";position:absolute;left:-14px;top:14%;height:72%;width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--primary),var(--indigo));
  box-shadow:0 0 12px rgba(25,200,216,.85);
}
.sidebar-foot{
  padding:18px 18px 22px;border-top:1px solid var(--line);
  background:rgba(8,14,26,.7);
}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:12px 14px;border-radius:var(--radius-pill);
  background:linear-gradient(135deg,#FFB86B,var(--gold));
  color:#1A1206;font-weight:800;font-size:14.5px;
  box-shadow:0 10px 26px rgba(255,159,67,.28);
  transition:transform .2s ease,box-shadow .2s ease;
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,159,67,.42);color:#1A1206;}
.side-note{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7;}
.side-note b{color:var(--text);font-weight:600;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:62px;z-index:80;
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(8,14,26,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.mobile-bar .brand-text{font-size:14px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);display:flex;align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary);}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(4,8,16,.7);
  backdrop-filter:blur(3px);z-index:65;
}
.nav-backdrop.show{display:block;}

/* ============ 主区域 ============ */
.site-main{margin-left:var(--sidebar-w);min-height:100vh;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(16,28,52,.6);border:1px solid var(--line);
}
.breadcrumb a:hover{border-color:var(--line-strong);background:rgba(25,200,216,.1);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;margin-top:20px;padding:74px 0 66px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(6,10,20,.95) 0%,rgba(6,10,20,.78) 46%,rgba(10,18,34,.9) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(120,220,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,220,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--radius-pill);
  background:rgba(25,200,216,.1);border:1px solid var(--line);
  color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.08em;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 10px var(--success);}
.hero-title{
  margin:20px 0 0;font-size:clamp(32px,3.6vw,50px);font-weight:800;line-height:1.22;
}
.hero-title .hl{
  background:linear-gradient(96deg,var(--primary),var(--indigo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;max-width:640px;font-size:16.5px;color:var(--muted);line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--indigo));
  color:#03121A;box-shadow:0 12px 30px rgba(25,200,216,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(25,200,216,.42);color:#03121A;}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{
  background:rgba(16,28,52,.62);border-color:var(--line);color:var(--text);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(25,200,216,.12);transform:translateY(-2px);color:var(--text);}
.btn-gold{
  background:linear-gradient(135deg,#FFC078,var(--gold));
  color:#1A1206;box-shadow:0 12px 30px rgba(255,159,67,.28);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,159,67,.45);color:#1A1206;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(12,21,38,.7);border:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.trust-item i{color:var(--primary);font-size:12.5px;}

/* 状态卡 */
.status-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(16px);
}
.status-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.status-head h2{font-size:17px;font-weight:800;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;
  background:rgba(57,217,138,.12);border:1px solid rgba(57,217,138,.35);color:var(--success);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 10px var(--success);}
.status-list{margin-top:6px;}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(120,220,255,.13);}
.status-row:last-of-type{border-bottom:0;}
.status-label{font-size:14.5px;color:var(--muted);}
.status-value{font-size:14.5px;font-weight:700;color:var(--text);}
.status-value.ok{color:var(--success);}
.status-value.warn{color:var(--warn);}
.status-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;margin-top:18px;padding:13px;border-radius:var(--radius-pill);
  background:linear-gradient(120deg,var(--primary),var(--indigo));
  color:#03121A;font-weight:800;font-size:15px;
  box-shadow:0 12px 30px rgba(25,200,216,.26);
  transition:transform .2s ease,box-shadow .2s ease;
}
.status-cta:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(25,200,216,.42);color:#03121A;}
.updated{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center;}

/* ============ 通用板块 ============ */
.section{padding:92px 0;}
.section.alt{background:linear-gradient(180deg,rgba(10,18,34,.72),rgba(6,10,20,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-tag{
  display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(91,108,255,.12);border:1px solid rgba(120,220,255,.2);
  color:#A9B6FF;font-size:12.5px;font-weight:700;letter-spacing:.1em;
}
.section-title{margin-top:16px;font-size:clamp(26px,2.6vw,34px);}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}

/* 双栏清单 */
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);height:100%;
}
.panel.accent{border-color:rgba(255,176,32,.28);background:linear-gradient(180deg,rgba(255,176,32,.06),rgba(12,21,38,.9));}
.panel-head{display:flex;align-items:center;gap:12px;padding-bottom:18px;margin-bottom:8px;border-bottom:1px solid var(--line);}
.panel-ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(25,200,216,.12);border:1px solid var(--line);color:var(--primary);font-size:16px;flex:0 0 auto;
}
.panel.accent .panel-ico{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.3);color:var(--warn);}
.panel-head h3{font-size:19px;}
.panel-head span{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:3px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed rgba(120,220,255,.12);
  font-size:15px;color:#CBD8EC;line-height:1.75;
}
.check-list li:last-child{border-bottom:0;}
.check-list i{margin-top:6px;font-size:13px;flex:0 0 auto;}
.check-list li.ok i{color:var(--success);}
.check-list li.risk i{color:var(--warn);}
.check-list b{color:var(--text);font-weight:700;}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.flow-step{
  position:relative;display:flex;gap:18px;
  padding:22px 24px;margin-bottom:14px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateX(4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.flow-step::after{
  content:"";position:absolute;left:46px;bottom:-14px;width:1px;height:14px;
  background:linear-gradient(180deg,var(--line-strong),transparent);
}
.flow-step:last-child{margin-bottom:0;}
.flow-step:last-child::after{display:none;}
.step-no{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(25,200,216,.22),rgba(91,108,255,.22));
  border:1px solid var(--line-strong);color:var(--primary);
  font-weight:800;font-size:14px;
}
.step-body h3{font-size:17px;margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.flow-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.flow-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.flow-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.15),rgba(6,10,20,.72));
}
.flow-media .media-label{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  font-size:14.5px;color:#E7F1FF;line-height:1.7;
}
.flow-media .media-label b{display:block;font-size:17px;color:#fff;margin-bottom:5px;}

/* 三列卡片 */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;height:100%;position:relative;overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feature-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--indigo));
  opacity:0;transition:opacity .22s ease;
}
.feature-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.feature-card:hover::after{opacity:1;}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(25,200,216,.18),rgba(91,108,255,.18));
  border:1px solid var(--line);color:var(--primary);font-size:18px;margin-bottom:18px;
}
.feature-card h3{font-size:18px;margin-bottom:10px;}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.82;}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(16,28,52,.72);border:1px solid var(--line);
  font-size:12.5px;color:#AFC1DA;
}

/* 风险提示 */
.alert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.alert-card{
  position:relative;padding:24px 24px 24px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,176,32,.07),rgba(12,21,38,.92));
  border:1px solid rgba(255,176,32,.26);
}
.alert-card.danger{background:linear-gradient(180deg,rgba(255,92,122,.07),rgba(12,21,38,.92));border-color:rgba(255,92,122,.28);}
.alert-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;
  background:var(--warn);box-shadow:0 0 12px rgba(255,176,32,.6);
}
.alert-card.danger::before{background:var(--danger);box-shadow:0 0 12px rgba(255,92,122,.6);}
.alert-card h3{font-size:16.5px;display:flex;align-items:center;gap:9px;margin-bottom:10px;}
.alert-card h3 i{color:var(--warn);}
.alert-card.danger h3 i{color:var(--danger);}
.alert-card p{font-size:14.5px;color:var(--muted);line-height:1.82;}

/* FAQ */
.faq-accordion{background:transparent;border:0;margin:0;}
.faq-accordion .accordion-item{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;margin-bottom:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
  backdrop-filter:blur(10px);
}
.faq-accordion .accordion-item:hover{border-color:var(--line-strong);}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--indigo));
  opacity:0;transition:opacity .25s ease;box-shadow:0 0 14px rgba(25,200,216,.8);
}
.faq-accordion .accordion-item.is-active::before{opacity:1;}
.faq-accordion .accordion-item.is-active{border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.faq-accordion .accordion-title{
  background:transparent;border:0;color:var(--text);
  font-size:17px;font-weight:700;padding:20px 58px 20px 26px;line-height:1.6;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus{background:rgba(25,200,216,.06);color:var(--primary);}
.faq-accordion .accordion-title::before{
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);opacity:.9;
  transition:transform .25s ease;background:none;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);}
.faq-accordion .accordion-content{
  background:transparent;border:0;border-top:1px solid var(--line);
  color:var(--muted);font-size:15.5px;line-height:1.88;padding:18px 26px 24px;
}
.faq-accordion .accordion-content p{margin-bottom:10px;}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}
.faq-accordion .accordion-content b{color:var(--text);}

/* CTA 横幅 */
.cta-band{
  position:relative;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:
    radial-gradient(700px 300px at 12% 0%,rgba(25,200,216,.16),transparent 62%),
    radial-gradient(700px 320px at 90% 100%,rgba(91,108,255,.18),transparent 62%),
    linear-gradient(120deg,#0B1424,#0E1B32);
  padding:52px 48px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(120,220,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,220,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;}
.cta-inner h2{font-size:clamp(24px,2.3vw,30px);margin-bottom:12px;}
.cta-inner p{color:var(--muted);font-size:15.5px;max-width:620px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;padding:70px 0 30px;
  background:linear-gradient(180deg,rgba(9,15,28,.6),rgba(4,7,14,.98));
  border-top:1px solid var(--line);
}
.footer-brand{margin-bottom:18px;}
.footer-brand .brand-text{font-size:17px;}
.footer-desc{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.85;max-width:400px;}
.footer-title{font-size:15px;font-weight:800;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:var(--muted);line-height:1.7;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--primary);}
.site-footer .grid-x{margin-bottom:0;}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .hero-grid{grid-template-columns:1.2fr 1fr;gap:34px;}
  .section{padding:80px 0;}
}
@media screen and (max-width:1023px){
  .site-sidebar{
    left:0;top:0;bottom:0;width:84%;max-width:318px;
    transform:translateX(-104%);transition:transform .3s ease;
    box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  .site-sidebar.is-open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .site-main{margin-left:0;padding-top:62px;}
  .cat-hero{padding:56px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .flow-grid{grid-template-columns:1fr;gap:28px;}
  .cards-3{grid-template-columns:repeat(2,1fr);}
  .alert-grid{grid-template-columns:1fr;}
  .section{padding:68px 0;}
  .cta-band{padding:40px 28px;}
  .container{padding:0 22px;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .hero-title{font-size:30px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .cards-3{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .panel{padding:22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .crumb-bar{padding-top:18px;}
}

/* roulang page: category3 */
:root{
  --bg:#060A14;
  --bg-2:#0A1222;
  --panel:#0C1526;
  --panel-2:#111E36;
  --glass:rgba(16,28,52,.62);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --text:#EAF2FF;
  --muted:#9AABC7;
  --cyan:#19C8D8;
  --indigo:#5B6CFF;
  --gold:#FF9F43;
  --ok:#39D98A;
  --warn:#FFB020;
  --err:#FF5C7A;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(25,200,216,.18);
  --sidebar:264px;
  --sec-space:104px;
  --ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(25,200,216,.10), transparent 62%),
    radial-gradient(760px 460px at 6% 6%, rgba(91,108,255,.12), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  font-weight:400;
  letter-spacing:.01em;
  min-height:100vh;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:#7CE7F1;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* ---------- 布局骨架 ---------- */
.app-shell{display:block;min-height:100vh;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  background:linear-gradient(180deg, rgba(12,21,38,.94), rgba(6,10,20,.96));
  backdrop-filter:blur(14px);
  border-right:1px solid var(--line);
  z-index:60;
  overflow-y:auto;
  transition:transform 260ms cubic-bezier(.4,0,.2,1);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(120,220,255,.16);border-radius:99px;}
.brand-mark{
  display:flex;align-items:flex-start;gap:10px;
  padding:4px 6px 0;
  color:var(--text);
}
.brand-mark:hover{color:var(--text);}
.brand-dot{
  flex:0 0 auto;width:10px;height:10px;margin-top:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:0 0 0 4px rgba(25,200,216,.16),0 0 14px rgba(25,200,216,.7);
}
.brand-text{
  font-size:17px;font-weight:800;line-height:1.5;letter-spacing:.02em;
  color:#F2F8FF;
}
.brand-sub{
  margin:10px 6px 0;font-size:12px;color:var(--muted);letter-spacing:.06em;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.side-links{display:flex;flex-direction:column;gap:6px;margin-top:20px;flex:1 1 auto;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  color:var(--muted);font-size:14.5px;font-weight:500;
  border:1px solid transparent;border-radius:var(--radius-md);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link i{font-size:14px;width:18px;text-align:center;color:rgba(154,171,199,.85);transition:color var(--ease);}
.nav-link:hover{
  color:var(--text);background:rgba(25,200,216,.07);border-color:var(--line);
}
.nav-link:hover i{color:var(--cyan);}
.nav-link.active{
  color:#EAF9FF;background:rgba(25,200,216,.12);border-color:var(--line-strong);
  box-shadow:inset 0 0 22px rgba(25,200,216,.09);
}
.nav-link.active i{color:var(--cyan);}
.nav-link.active::before{
  content:"";position:absolute;left:-18px;top:12px;bottom:12px;width:3px;border-radius:99px;
  background:linear-gradient(180deg,var(--cyan),var(--indigo));
  box-shadow:0 0 14px rgba(25,200,216,.85);
}
.side-foot{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:700;letter-spacing:.02em;cursor:pointer;
  border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
  color:#04121A;
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  box-shadow:0 8px 24px rgba(25,200,216,.32),0 0 0 1px rgba(120,220,255,.25) inset;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(25,200,216,.45);color:#04121A;}
.btn-ghost{
  color:var(--text);background:rgba(17,30,54,.55);border-color:var(--line);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(25,200,216,.10);color:var(--text);}
.btn-gold{
  color:#2A1400;
  background:linear-gradient(120deg,#FFBE6B,var(--gold));
  box-shadow:0 8px 24px rgba(255,159,67,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,159,67,.48);color:#2A1400;}
.btn-block{width:100%;}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.side-cta{width:100%;}
.side-meta{margin-top:16px;font-size:12.5px;line-height:1.9;color:var(--muted);}
.side-meta strong{display:block;color:#CFE2FF;font-size:12.5px;font-weight:600;letter-spacing:.04em;}

/* ---------- 移动端顶栏 ---------- */
.mobile-topbar{display:none;}
.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(3,7,14,.72);
  backdrop-filter:blur(2px);z-index:55;
}
.nav-mask.is-open{display:block;}

/* ---------- 主内容区 ---------- */
.main-area{margin-left:var(--sidebar);padding-bottom:0;}
section{position:relative;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(100deg, rgba(6,10,20,.94) 12%, rgba(7,14,28,.78) 52%, rgba(6,10,20,.9) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center right;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,220,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,220,255,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(90deg, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image:linear-gradient(90deg, rgba(0,0,0,.9), transparent 78%);
}
.cat-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:76px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--cyan);}
.crumbs .sep{opacity:.5;}
.crumbs .chip{padding:3px 12px;border-radius:var(--radius-pill);background:rgba(16,28,52,.66);border:1px solid var(--line);color:#CFE2FF;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.85fr);gap:48px;align-items:center;}
.badge-line{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  color:#CBEFFF;background:rgba(25,200,216,.10);border:1px solid var(--line);
}
.badge i{font-size:11px;color:var(--cyan);}
.badge.gold{color:#FFDCB8;background:rgba(255,159,67,.10);border-color:rgba(255,159,67,.3);}
.badge.gold i{color:var(--gold);}
.badge.ok{color:#C7F7DF;background:rgba(57,217,138,.10);border-color:rgba(57,217,138,.3);}
.badge.ok i{color:var(--ok);}
h1{
  font-size:clamp(32px,3.6vw,50px);
  line-height:1.22;font-weight:800;letter-spacing:-.015em;
  background:linear-gradient(96deg,#FFFFFF 12%,#BFEFFF 58%,#93A6FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;max-width:640px;font-size:17px;color:#B9C9E4;line-height:1.86;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:34px;padding-top:22px;border-top:1px dashed rgba(120,220,255,.2);}
.trust-row span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.trust-row i{color:var(--cyan);font-size:12px;}

.status-card{
  border-radius:var(--radius-lg);padding:26px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
}
.status-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.status-head h2{font-size:16px;font-weight:700;letter-spacing:.02em;}
.pulse{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:#C7F7DF;}
.pulse::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 4px rgba(57,217,138,.18);animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.status-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0 22px;}
.metric{background:rgba(9,17,32,.72);border:1px solid var(--line);border-radius:var(--radius-md);padding:14px 12px;text-align:center;}
.metric b{display:block;font-size:19px;font-weight:800;color:#EAF9FF;font-variant-numeric:tabular-nums;}
.metric span{display:block;margin-top:4px;font-size:12px;color:var(--muted);letter-spacing:.03em;}
.status-note{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center;}

/* ---------- 通用区块 ---------- */
.block{padding:var(--sec-space) 0;}
.block.alt{background:linear-gradient(180deg, rgba(10,18,34,.6), rgba(6,10,20,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--cyan),transparent);}
h2{font-size:clamp(24px,2.5vw,34px);line-height:1.32;}
.sec-head p{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.85;}

/* ---------- 设备矩阵 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.device-card{
  position:relative;display:flex;flex-direction:column;
  padding:26px 22px;
  background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.device-card::after{
  content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle, rgba(25,200,216,.16), transparent 68%);
  opacity:.9;
}
.device-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.device-icon{
  width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  border-radius:14px;margin-bottom:18px;
  background:linear-gradient(135deg, rgba(25,200,216,.2), rgba(91,108,255,.24));
  border:1px solid var(--line);
  color:var(--cyan);font-size:18px;
}
.device-card h3{font-size:19px;margin-bottom:10px;}
.device-card p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1 1 auto;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;color:#B9D6F2;background:rgba(16,28,52,.8);border:1px solid var(--line);
}
.tag i{font-size:10px;color:var(--cyan);}

/* ---------- 图文速览 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center;}
.media-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:16/10;background:linear-gradient(140deg,#0C1526,#111E36);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,10,20,.05), rgba(6,10,20,.55));
}
.media-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:rgba(8,15,28,.82);border:1px solid var(--line);
  font-size:12.5px;color:#CFE2FF;backdrop-filter:blur(6px);
}
.media-badge i{color:var(--gold);font-size:11px;}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:30px;}
.check-item{display:flex;gap:16px;align-items:flex-start;}
.check-item i{
  flex:0 0 auto;width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border-radius:11px;font-size:13px;color:var(--cyan);
  background:rgba(25,200,216,.1);border:1px solid var(--line);
}
.check-item h3{font-size:16.5px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--panel);box-shadow:var(--shadow);
}
.compare{min-width:760px;width:100%;border-collapse:collapse;}
.compare th,.compare td{
  padding:18px 22px;text-align:left;font-size:14.5px;vertical-align:top;
  border-bottom:1px solid var(--line);
}
.compare thead th{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:#CFE2FF;
  background:rgba(9,17,32,.9);text-transform:uppercase;
}
.compare thead th:nth-child(2){color:var(--cyan);}
.compare thead th:nth-child(3){color:#A9B6FF;}
.compare tbody th{font-weight:600;color:#D7E6FF;background:rgba(9,17,32,.5);width:170px;}
.compare tbody tr:hover td{background:rgba(25,200,216,.045);}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:none;}
.compare td{color:var(--muted);}
.mark-ok{color:var(--ok);margin-right:8px;}
.mark-no{color:var(--muted);opacity:.6;margin-right:8px;}

/* ---------- 流程时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step;}
.step{
  position:relative;padding:30px 22px 26px;
  background:linear-gradient(180deg, rgba(17,30,54,.7), rgba(12,21,38,.8));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:border-color var(--ease),transform var(--ease);
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:22px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:800;letter-spacing:.06em;font-variant-numeric:tabular-nums;
  color:#04121A;background:linear-gradient(120deg,var(--cyan),var(--indigo));
  box-shadow:0 6px 18px rgba(25,200,216,.3);
}
.step h3{font-size:17px;margin:10px 0 10px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 域内入口按钮区 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.entry-card{
  display:flex;flex-direction:column;gap:14px;
  padding:24px 22px;
  background:var(--panel-2);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.entry-card .num{font-size:12px;letter-spacing:.14em;color:var(--cyan);font-weight:700;}
.entry-card h3{font-size:16.5px;}
.entry-card p{font-size:13.8px;color:var(--muted);line-height:1.75;flex:1 1 auto;}
.entry-card.current{border-color:rgba(255,159,67,.36);box-shadow:0 0 0 1px rgba(255,159,67,.14) inset;}
.entry-card.current .num{color:var(--gold);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.6fr);gap:52px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--glass);backdrop-filter:blur(10px);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:0 12px 32px rgba(25,200,216,.13);}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px 20px 30px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:700;color:#E7F2FF;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:99px;
  background:linear-gradient(180deg,var(--cyan),var(--indigo));
  opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1;box-shadow:0 0 14px rgba(25,200,216,.8);}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  flex:0 0 auto;font-size:12px;color:var(--cyan);
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:rgba(25,200,216,.1);border:1px solid var(--line);
  transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 26px 24px 30px;font-size:15px;color:#AFBFDC;line-height:1.86;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(700px 320px at 14% 0%, rgba(25,200,216,.16), transparent 66%),
    radial-gradient(620px 300px at 92% 100%, rgba(255,159,67,.12), transparent 66%),
    var(--bg-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(115deg, rgba(120,220,255,.05) 0 1px, transparent 1px 12px);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);
  gap:44px;align-items:center;
  padding:70px 0;
}
.cta-inner h2{font-size:clamp(23px,2.4vw,32px);}
.cta-inner p{margin-top:16px;font-size:15.5px;color:var(--muted);line-height:1.86;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(8,14,26,.96), rgba(4,7,14,.99));
  padding:64px 0 26px;margin-top:0;
}
.footer-brand{display:flex;flex-direction:column;gap:16px;padding-right:24px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.86;max-width:400px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:#CFE2FF;margin-bottom:18px;text-transform:uppercase;}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--muted);}
.footer-links a{color:var(--muted);}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:#7F90AD;
}
.footer-bottom a{color:#9AABC7;}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .container{padding:0 32px;}
}
@media screen and (max-width:1199px){
  .device-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-grid{gap:36px;}
}
@media screen and (max-width:1023px){
  :root{--sec-space:76px;}
  .side-nav{
    width:290px;max-width:86vw;
    transform:translateX(-102%);
    box-shadow:0 0 40px rgba(0,0,0,.6);
  }
  .side-nav.is-open{transform:translateX(0);}
  .main-area{margin-left:0;}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:50;
    height:60px;padding:0 18px;
    background:rgba(8,14,26,.94);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .mobile-topbar .brand-text{font-size:15px;}
  .nav-toggle{
    width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:12px;background:rgba(16,28,52,.8);border:1px solid var(--line);
    color:var(--cyan);font-size:16px;cursor:pointer;transition:background var(--ease),border-color var(--ease);
  }
  .nav-toggle:hover{background:rgba(25,200,216,.14);border-color:var(--line-strong);}
  .hero-grid{grid-template-columns:1fr;}
  .cat-hero .container{padding-top:52px;padding-bottom:58px;}
  .split{grid-template-columns:1fr;gap:34px;}
  .faq-wrap{grid-template-columns:1fr;gap:34px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:58px 0;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media screen and (max-width:767px){
  :root{--sec-space:60px;}
  .container{padding:0 20px;}
  h1{font-size:clamp(27px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .device-grid,.steps,.entry-grid{grid-template-columns:1fr;}
  .status-metrics{grid-template-columns:1fr 1fr;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .compare th,.compare td{padding:14px 16px;font-size:13.8px;}
  .faq-item summary{font-size:15.5px;padding:18px 18px 18px 24px;}
  .faq-body{padding:0 20px 20px 24px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding:52px 0 22px;}
}
@media screen and (max-width:519px){
  .status-metrics{grid-template-columns:1fr;}
  .badge{font-size:11.8px;padding:5px 11px;}
  .trust-row{gap:8px 16px;}
}

/* roulang page: category4 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --panel:#0C1526;
  --panel-2:#111E36;
  --glass:rgba(16,28,52,.62);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --text:#EAF2FF;
  --muted:#9AABC7;
  --cyan:#19C8D8;
  --indigo:#5B6CFF;
  --gold:#FF9F43;
  --ok:#39D98A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(25,200,216,.18);
  --sidebar-w:260px;
  --pad-x:40px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(91,108,255,.16), transparent 62%),
    radial-gradient(900px 520px at 6% 6%, rgba(25,200,216,.12), transparent 60%),
    var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--cyan);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:.2px;}
h1{font-size:clamp(30px,4vw,46px);}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:clamp(18px,1.5vw,22px);font-weight:700;}
h4{font-size:17px;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(25,200,216,.32);}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--pad-x);}
.section{padding:88px 0;position:relative;}
.section-tight{padding:60px 0;}
.section-head{max-width:820px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--cyan);background:rgba(25,200,216,.08);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;font-weight:600;
}
.section-head p{color:var(--muted);margin:14px 0 0;font-size:16.5px;}

/* ============ 侧边栏 ============ */
.shell{display:flex;min-height:100vh;}
.site-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,rgba(12,21,38,.94),rgba(8,14,26,.94));
  backdrop-filter:blur(14px);
  border-right:1px solid var(--line);
  padding:26px 18px 22px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:80;
}
.brand-mark{display:flex;align-items:flex-start;gap:10px;}
.brand-dot{
  width:12px;height:12px;border-radius:4px;flex:0 0 12px;margin-top:7px;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:0 0 14px rgba(25,200,216,.7);
}
.brand-text{
  font-size:17px;font-weight:800;line-height:1.4;letter-spacing:.4px;
  background:linear-gradient(120deg,#EAF2FF 20%,#8FE9F4 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.side-label{font-size:12px;letter-spacing:1.6px;color:var(--muted);text-transform:uppercase;margin:2px 0 4px;}
.side-links{display:flex;flex-direction:column;gap:6px;}
.nav-link{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-md);
  color:var(--muted);font-size:15px;font-weight:500;
  border:1px solid transparent;position:relative;
}
.nav-link i{width:18px;text-align:center;font-size:14px;color:rgba(154,171,199,.9);}
.nav-link:hover{color:var(--text);background:rgba(25,200,216,.07);border-color:var(--line);}
.nav-link:hover i{color:var(--cyan);}
.nav-link.active{
  color:var(--text);font-weight:700;
  background:var(--glass);
  border-color:var(--line-strong);
  box-shadow:inset 3px 0 0 var(--cyan),0 8px 24px rgba(0,0,0,.32);
}
.nav-link.active i{color:var(--cyan);}
.sidebar-foot{
  margin-top:auto;display:flex;flex-direction:column;gap:10px;
  border-top:1px solid var(--line);padding-top:18px;
}
.sidebar-foot .meta{font-size:13px;color:var(--muted);line-height:1.6;}
.sidebar-foot .meta strong{color:var(--text);font-weight:600;}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:90;
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(8,14,26,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.mobile-topbar .brand-text{font-size:15px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;
  background:rgba(25,200,216,.1);border:1px solid var(--line);
  color:var(--text);font-size:17px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--line-strong);}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(4,8,16,.66);
  z-index:70;backdrop-filter:blur(2px);
}
body.nav-open .scrim{display:block;}

.site-main{flex:1;min-width:0;margin-left:var(--sidebar-w);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  color:#04101C;
  box-shadow:0 10px 26px rgba(25,200,216,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(25,200,216,.42);color:#04101C;}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{
  background:rgba(16,28,52,.6);color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--cyan);color:var(--text);box-shadow:var(--sh-2);}
.btn-gold{
  background:linear-gradient(120deg,#FFB865,var(--gold));
  color:#241202;box-shadow:0 10px 26px rgba(255,159,67,.3);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,159,67,.42);color:#241202;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--muted);
  background:rgba(16,28,52,.66);border:1px solid var(--line);
}
.tag-cyan{color:#8FE9F4;border-color:rgba(25,200,216,.4);background:rgba(25,200,216,.12);}
.tag-gold{color:#FFC98A;border-color:rgba(255,159,67,.36);background:rgba(255,159,67,.12);}
.tag-ok{color:#8DF0BC;border-color:rgba(57,217,138,.34);background:rgba(57,217,138,.12);}
.tag-warn{color:#FFD79A;border-color:rgba(255,176,32,.34);background:rgba(255,176,32,.12);}
.tag-grid{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(6,10,20,.94) 12%,rgba(6,10,20,.74) 58%,rgba(10,18,34,.86) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,220,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{opacity:.5;}
.cat-hero h1{margin-bottom:18px;max-width:900px;}
.cat-hero h1 em{font-style:normal;color:var(--cyan);}
.hero-lead{max-width:720px;color:#C6D5EE;font-size:17px;margin-bottom:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 状态条 */
.status-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;margin-top:44px;
}
.status-cell{background:rgba(10,18,34,.86);padding:20px 22px;}
.status-cell .num{
  font-size:26px;font-weight:800;color:var(--cyan);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.status-cell .num.gold{color:var(--gold);}
.status-cell .num.ok{color:var(--ok);}
.status-cell .lbl{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ============ 筛选标签 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(12,21,38,.7);margin-bottom:28px;
}
.filter-bar .hint{font-size:13px;color:var(--muted);margin-left:auto;}
.chip{
  padding:8px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  color:var(--muted);background:rgba(16,28,52,.7);border:1px solid var(--line);cursor:pointer;
}
.chip:hover{color:var(--text);border-color:var(--line-strong);}
.chip.is-on{color:#04101C;background:linear-gradient(120deg,var(--cyan),var(--indigo));border-color:transparent;}

/* ============ 公告列表 ============ */
.notice-list{display:flex;flex-direction:column;gap:14px;}
.notice-item{
  display:grid;grid-template-columns:96px minmax(0,1fr) 168px;
  gap:24px;align-items:flex-start;
  padding:24px 26px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  position:relative;overflow:hidden;
}
.notice-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--cyan),transparent);
  opacity:0;transition:opacity .2s ease;
}
.notice-item:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-2);}
.notice-item:hover::before{opacity:1;}
.notice-date{
  text-align:center;border-right:1px solid var(--line);padding-right:18px;
}
.notice-date .d{display:block;font-size:26px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.notice-date .m{display:block;font-size:13px;color:var(--muted);letter-spacing:1px;}
.notice-body h3{margin:10px 0 10px;line-height:1.45;}
.notice-body p{color:var(--muted);font-size:15px;margin:0;line-height:1.8;}
.notice-side{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.text-link{color:var(--cyan);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{gap:9px;color:#7FE6F0;}
.notice-item.is-hidden{display:none;}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.figure-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--sh-1);position:relative;
}
.figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.92;}
.figure-card figcaption{
  padding:16px 20px;font-size:13.5px;color:var(--muted);
  border-top:1px solid var(--line);background:rgba(10,18,34,.9);
}
.read-list{display:flex;flex-direction:column;gap:18px;margin-top:28px;}
.read-item{display:flex;gap:16px;align-items:flex-start;}
.read-item .idx{
  flex:0 0 40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--cyan);
  background:rgba(25,200,216,.1);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.read-item h4{margin-bottom:6px;}
.read-item p{color:var(--muted);font-size:14.6px;margin:0;line-height:1.75;}

/* ============ 排行列表 ============ */
.rank-panel{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);overflow:hidden;box-shadow:var(--sh-1);
}
.rank-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;border-bottom:1px solid var(--line);
  background:rgba(17,30,54,.7);
}
.rank-head h3{font-size:19px;}
.rank-item{
  display:grid;grid-template-columns:44px minmax(0,1fr) auto;
  gap:16px;align-items:center;padding:16px 24px;
  border-bottom:1px solid rgba(120,220,255,.08);
  transition:background .2s ease;
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:rgba(25,200,216,.06);}
.rank-no{
  font-size:16px;font-weight:800;color:var(--muted);font-variant-numeric:tabular-nums;
  text-align:center;border-radius:10px;padding:4px 0;
  background:rgba(16,28,52,.8);border:1px solid var(--line);
}
.rank-item:nth-child(2) .rank-no{color:var(--gold);border-color:rgba(255,159,67,.4);}
.rank-item:nth-child(3) .rank-no{color:var(--cyan);border-color:rgba(25,200,216,.4);}
.rank-item .q{font-size:15.5px;font-weight:600;}
.rank-item .sub{font-size:13px;color:var(--muted);margin-top:3px;}
.count-badge{
  font-size:13px;font-weight:700;color:#8FE9F4;
  background:rgba(25,200,216,.12);border:1px solid rgba(25,200,216,.3);
  border-radius:var(--r-pill);padding:5px 13px;white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-accordion{border:0;background:transparent;}
.faq-accordion .accordion-item{
  background:var(--glass);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  margin-bottom:12px;
  overflow:hidden;
  position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--cyan),var(--indigo));
  opacity:0;transition:opacity .25s ease;
}
.faq-accordion .accordion-item.is-active{border-color:var(--line-strong);box-shadow:var(--sh-2);}
.faq-accordion .accordion-item.is-active::before{opacity:1;}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--text);
  border:0;background:transparent;line-height:1.55;
}
.faq-accordion .accordion-title:hover{background:rgba(25,200,216,.06);color:var(--text);}
.faq-accordion .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--cyan);order:2;flex:0 0 auto;
  transition:transform .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg);}
.faq-accordion .accordion-content{
  padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;
  border:0;background:transparent;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}
.faq-accordion .accordion-content ul{margin:10px 0 0;display:flex;flex-direction:column;gap:8px;}
.faq-accordion .accordion-content li{
  padding-left:18px;position:relative;font-size:15px;
}
.faq-accordion .accordion-content li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);opacity:.75;
}

/* ============ 咨询 CTA ============ */
.cta-panel{
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(25,200,216,.1),rgba(91,108,255,.12) 52%,rgba(12,21,38,.9));
  padding:44px;display:grid;grid-template-columns:1fr 1.05fr;gap:44px;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,200,216,.28),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{margin-bottom:14px;}
.cta-panel .lead{color:#C6D5EE;font-size:16px;margin-bottom:22px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#C6D5EE;}
.cta-points i{color:var(--cyan);margin-top:5px;}
.form-card{
  background:var(--glass);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  position:relative;z-index:2;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#C6D5EE;}
.field .req{color:var(--danger);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-md);
  background:rgba(6,10,20,.72);border:1px solid var(--line);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#6E7F99;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(25,200,216,.18);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,92,122,.16);}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:6px;}
.field.has-error .err{display:block;}
.checkline{display:flex;gap:10px;align-items:flex-start;font-size:13.6px;color:var(--muted);line-height:1.65;}
.checkline input{width:17px;height:17px;flex:0 0 17px;margin-top:3px;accent-color:#19C8D8;}
.form-msg{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-md);font-size:14px;
}
.form-msg.ok{display:block;color:#B8F5D6;background:rgba(57,217,138,.12);border:1px solid rgba(57,217,138,.4);}
.form-msg.bad{display:block;color:#FFC3D0;background:rgba(255,92,122,.12);border:1px solid rgba(255,92,122,.4);}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,15,28,.6),rgba(6,10,20,.96));
  padding:64px 0 28px;margin-top:24px;
}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-brand .brand-mark{align-items:center;}
.footer-brand .brand-dot{margin-top:0;}
.footer-desc{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:380px;margin:0;}
.footer-title{font-size:15px;letter-spacing:.6px;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{color:var(--muted);font-size:14.5px;}
.footer-links a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);text-decoration:underline;text-decoration-color:rgba(154,171,199,.4);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--pad-x:32px;}
  .cta-panel{padding:36px;}
}
@media (max-width:1023px){
  :root{--pad-x:26px;}
  .site-sidebar{
    transform:translateX(-100%);
    transition:transform .28s ease;
    width:280px;
    box-shadow:0 24px 60px rgba(0,0,0,.6);
  }
  body.nav-open .site-sidebar{transform:translateX(0);}
  .mobile-topbar{display:flex;}
  .site-main{margin-left:0;padding-top:60px;}
  .status-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .notice-item{grid-template-columns:76px minmax(0,1fr);gap:18px;}
  .notice-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;}
  .cta-panel{grid-template-columns:1fr;padding:30px;}
  .section{padding:68px 0;}
}
@media (max-width:639px){
  :root{--pad-x:18px;}
  body{font-size:15.5px;}
  .section{padding:54px 0;}
  .cat-hero .container{padding-top:44px;padding-bottom:44px;}
  .hero-actions .btn{width:100%;}
  .status-strip{grid-template-columns:1fr;}
  .notice-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .notice-date{display:flex;align-items:baseline;gap:8px;text-align:left;border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;}
  .notice-date .d{font-size:20px;}
  .rank-item{grid-template-columns:38px minmax(0,1fr);gap:12px;padding:14px 18px;}
  .rank-item .count-badge{grid-column:2;justify-self:start;}
  .rank-head{padding:16px 18px;}
  .faq-accordion .accordion-title{padding:16px 18px;font-size:16px;}
  .faq-accordion .accordion-content{padding:0 18px 18px;}
  .cta-panel{padding:24px;}
  .form-card{padding:20px;}
  .footer-bottom{flex-direction:column;}
}