/* roulang page: index */
:root{
  --bg:#070F1B;
  --bg-2:#0B1A2E;
  --brand:#2F6BFF;
  --brand-2:#22D3C5;
  --glow:#A855F7;
  --warn:#FF8A3D;
  --text:#EAF2FF;
  --text-2:#9FB3CE;
  --head:#FFFFFF;
  --line:rgba(120,180,255,.16);
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.08);
  --nav-bg:#FFFFFF;
  --nav-border:#E8EDF5;
  --nav-text:#16233A;
  --nav-text-2:#5A6B85;
  --nav-hover:#F2F6FF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 12px 32px rgba(3,12,28,.45);
  --shadow-nav:0 2px 10px rgba(16,32,64,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--brand-2);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:#7ff3e7}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--head);font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* 容器 */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.grid-container.full{max-width:1320px}
.section{padding:96px 0;position:relative}
.section.tight{padding-top:0}
.divide{border-top:1px solid var(--line)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-border);
  box-shadow:var(--shadow-nav);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,.85),rgba(34,211,197,.85));
  opacity:.9;
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(47,107,255,.28);
}
.brand-mark span{
  width:14px;height:14px;border:2.5px solid #fff;border-radius:4px;display:block;
  position:relative;
}
.brand-mark span::after{
  content:"";position:absolute;right:-7px;bottom:-7px;width:8px;height:8px;
  background:#fff;border-radius:2px;
}
.brand-name{
  font-size:17px;font-weight:800;color:var(--nav-text);letter-spacing:-.01em;white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.nav-menu a{
  display:inline-block;position:relative;
  padding:10px 14px;border-radius:var(--r-sm);
  color:var(--nav-text-2);font-size:15px;font-weight:600;
}
.nav-menu a:hover{background:var(--nav-hover);color:var(--brand)}
.nav-menu a.is-active{color:var(--brand)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#F2F6FF;border:1px solid var(--nav-border);
  border-radius:var(--r-pill);padding:8px 14px;min-width:216px;
}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--nav-text);
}
.nav-search input::placeholder{color:#93a3bb}
.nav-search svg{flex:0 0 auto;opacity:.55}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:var(--r-pill);
  background:linear-gradient(96deg,var(--brand),#2a8bfd);
  color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 8px 18px rgba(47,107,255,.24);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.btn-nav:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 24px rgba(47,107,255,.3)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--nav-border);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--nav-text);position:relative;border-radius:2px}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--nav-text);border-radius:2px;
}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}

/* 抽屉 */
.drawer{
  position:fixed;inset:0 auto 0 0;width:280px;max-width:84vw;
  background:#fff;z-index:90;transform:translateX(-102%);
  transition:transform .28s var(--ease);
  box-shadow:0 0 40px rgba(6,20,45,.28);padding:20px;
  display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-head strong{color:var(--nav-text);font-size:16px}
.drawer-close{border:0;background:var(--nav-hover);color:var(--nav-text);width:36px;height:36px;border-radius:10px;cursor:pointer;font-size:18px}
.drawer a{
  color:var(--nav-text-2);font-weight:600;padding:13px 14px;border-radius:12px;font-size:15px;
}
.drawer a:hover{background:var(--nav-hover);color:var(--brand)}
.drawer a.is-active{background:var(--nav-hover);color:var(--brand)}
.drawer .btn-nav{margin-top:14px;justify-content:center}
.mask{
  position:fixed;inset:0;background:rgba(7,15,27,.55);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);z-index:80;
}
.mask.is-open{opacity:1;pointer-events:auto}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(7,15,27,.82),rgba(7,15,27,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:88px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,180,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 60% at 30% 30%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 30% 30%,#000 20%,transparent 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-10%;top:-20%;width:60%;height:120%;
  background:radial-gradient(closest-side,rgba(47,107,255,.35),transparent 72%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:48px;align-items:start}
.tagline{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:var(--glass);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;color:var(--text-2);
  backdrop-filter:blur(10px);
}
.tagline b{color:var(--brand-2);font-weight:700}
.hero h1{
  font-size:48px;line-height:1.2;margin:22px 0 18px;
  background:linear-gradient(100deg,#FFFFFF 42%,var(--glow));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:19px;color:var(--text-2);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(96deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 0 24px rgba(47,107,255,.45);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 36px rgba(47,107,255,.6)}
.btn-ghost{
  background:var(--glass);border-color:rgba(255,255,255,.22);color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(47,107,255,.12);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.99)}
.btn-block{width:100%}

.stats{
  position:relative;z-index:2;margin-top:56px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--glass);backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
}
.stats div{padding:22px 24px;border-left:1px solid var(--line)}
.stats div:first-child{border-left:0}
.stats b{display:block;font-size:28px;color:#fff;font-weight:800;line-height:1.2}
.stats span{font-size:13px;color:var(--text-2)}

.glass-card{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow);padding:28px;
}
.glass-card::before{
  content:"";position:absolute;left:16px;right:16px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,197,.85),transparent);
}
.glass-card h2{font-size:20px}
.member-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.member-list li{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--text-2);padding-bottom:10px;border-bottom:1px dashed var(--line)}
.member-list li:last-child{border-bottom:0;padding-bottom:0}
.member-list b{color:#fff;font-weight:700}
.lock-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 10px;color:var(--brand-2);
}

/* 通用标题 */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:32px}
.sec-head p{color:var(--text-2);font-size:15.5px;max-width:640px;margin-top:10px}
.sec-link{font-size:14.5px;font-weight:700;color:var(--brand-2);white-space:nowrap}
.sec-link:hover{color:#7ff3e7}

/* 对比表 */
.table-scroll{
  position:relative;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--bg-2);box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
.table-scroll::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:56px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(7,15,27,.92));
}
table.plan{width:100%;border-collapse:collapse;min-width:820px}
table.plan th,table.plan td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
table.plan thead th{
  position:sticky;top:0;z-index:3;background:#0E2038;color:#fff;font-size:15px;
  border-bottom:1px solid rgba(120,180,255,.28);
}
table.plan thead th small{display:block;font-size:12.5px;color:var(--text-2);font-weight:500;margin-top:4px}
table.plan tbody th{
  position:sticky;left:0;z-index:2;background:#0C1B2E;color:var(--text);font-weight:600;
  border-right:1px solid var(--line);min-width:160px;
}
table.plan tbody tr:hover td,table.plan tbody tr:hover th{background:rgba(255,255,255,.04)}
table.plan tbody tr:last-child th,table.plan tbody tr:last-child td{border-bottom:0}
.col-rec{position:relative;background:rgba(47,107,255,.09);box-shadow:inset 0 0 0 1px rgba(34,211,197,.55),inset 0 0 40px rgba(47,107,255,.18)}
.badge-rec{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--warn);color:#2a1502;font-size:12px;font-weight:800;
  border-radius:var(--r-pill);padding:3px 12px;white-space:nowrap;
}
.mark-yes{color:var(--brand-2);font-weight:800}
.mark-no{color:#5B7091;font-weight:700}
.table-hint{font-size:13px;color:var(--text-2);margin-top:14px}

/* 等级亮点 */
.timeline{position:relative;display:flex;flex-direction:column;gap:64px}
.timeline::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(47,107,255,.6),rgba(34,211,197,.45),rgba(47,107,255,0));
}
.tl-item{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative}
.tl-item .tl-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.tl-item .tl-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.tl-item:hover .tl-media img{transform:scale(1.03)}
.tl-item .tl-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,15,27,0) 40%,rgba(7,15,27,.55))}
.tl-item:nth-child(even) .tl-media{order:2}
.tl-num{
  font-size:13px;font-weight:800;letter-spacing:.18em;color:var(--brand-2);
}
.tl-body h3{font-size:22px;margin:12px 0 12px}
.tl-body p{color:var(--text-2);font-size:15.5px}
.tl-points{margin:18px 0 16px;display:flex;flex-direction:column;gap:9px}
.tl-points li{font-size:14.5px;color:var(--text-2);padding-left:18px;position:relative}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.tl-body .inline-link{font-size:14.5px;font-weight:700}

/* 专属内容预览 */
.lock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lock-card{
  position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;backdrop-filter:blur(14px);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.lock-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.6);box-shadow:0 18px 36px rgba(3,12,28,.5)}
.lock-card .thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.lock-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.lock-card:hover .thumb img{transform:scale(1.03)}
.corner{
  position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;gap:6px;
  background:rgba(7,15,27,.72);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:4px 10px;font-size:12px;color:var(--brand-2);backdrop-filter:blur(8px);
}
.lock-card .body{padding:18px 20px 22px}
.lock-card h3{font-size:17px;line-height:1.45;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lock-card .body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.chip{
  display:inline-flex;align-items:center;font-size:13px;font-weight:700;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;color:var(--brand-2);
  background:rgba(34,211,197,.08);
}
.chip.warn{color:#ffd7b8;border-color:rgba(255,138,61,.45);background:rgba(255,138,61,.12)}

/* 最新信息 CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.6);box-shadow:0 18px 34px rgba(3,12,28,.5)}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--brand-2)}
.news-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);padding-top:12px;border-top:1px solid var(--line);
}
.news-meta .read{color:var(--brand-2);font-weight:700}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-md);background:var(--glass);
}
.empty-state strong{display:block;color:#fff;font-size:17px;margin-bottom:8px}
.empty-state span{color:var(--text-2);font-size:14.5px}

/* 运行状态面板 */
.status-panel{
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg-2);
  box-shadow:var(--shadow);overflow:hidden;
}
.status-row{
  display:grid;grid-template-columns:1.1fr 2fr .8fr;gap:20px;align-items:center;
  padding:20px 28px;border-bottom:1px solid var(--line);
}
.status-row:last-child{border-bottom:0}
.status-row:hover{background:rgba(255,255,255,.04)}
.status-row .name{color:#fff;font-weight:700;font-size:15.5px;display:flex;align-items:center;gap:10px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px rgba(34,211,197,.9);flex:0 0 auto}
.dot.warn{background:var(--warn);box-shadow:0 0 10px rgba(255,138,61,.9)}
.status-row .desc{font-size:14.5px;color:var(--text-2)}
.status-row .val{text-align:right;font-size:14.5px;font-weight:700;color:var(--brand-2)}
.bar{height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--glass);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(34,211,197,.6);background:var(--glass-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 22px;min-height:56px;background:transparent;border:0;cursor:pointer;
  color:#fff;font-size:16px;font-weight:700;text-align:left;
}
.faq-q:hover{color:var(--brand-2)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--brand-2);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a div{padding:0 22px 22px;max-width:820px;color:var(--text-2);font-size:15px;line-height:1.8}

/* CTA 表单 */
.cta-band{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:radial-gradient(120% 140% at 12% 0%,rgba(47,107,255,.3),transparent 58%),radial-gradient(110% 120% at 100% 100%,rgba(34,211,197,.22),transparent 60%),var(--bg-2);
  padding:48px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;
  box-shadow:var(--shadow);overflow:hidden;
}
.cta-band h2{font-size:30px;margin-bottom:14px}
.cta-band .lead{color:var(--text-2);font-size:15.5px;max-width:520px}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta-points li{font-size:14.5px;color:var(--text-2);padding-left:20px;position:relative}
.cta-points li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
}
.form-card{background:rgba(7,15,27,.55);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;backdrop-filter:blur(14px)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;outline:none;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:#7f93b0}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-2);background:rgba(34,211,197,.07)}
.field select option{color:#16233a}
.form-note{font-size:12.5px;color:var(--text-2);margin-top:14px;line-height:1.7}

/* 页脚 */
.site-footer{background:#050C16;border-top:1px solid var(--line);padding:64px 0 0;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-name{color:#fff}
.foot-text{font-size:14px;color:var(--text-2);max-width:320px}
.foot-title{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--text-2)}
.foot-links a:hover{color:var(--brand-2)}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 16px;
  background:var(--glass);color:var(--text);font-size:13px;cursor:pointer;
}
.to-top:hover{border-color:var(--brand-2);color:#fff}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition-duration:.01ms!important}
}

/* 响应式 */
@media (max-width:1023px){
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px;gap:16px}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16.5px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div{border-left:0;border-top:1px solid var(--line)}
  .stats div:nth-child(1),.stats div:nth-child(2){border-top:0}
  .stats div:nth-child(even){border-left:1px solid var(--line)}
  .section{padding:72px 0}
  .sec-head h2{font-size:26px}
  .tl-item{grid-template-columns:1fr;gap:24px}
  .tl-item:nth-child(even) .tl-media{order:0}
  .timeline::before{display:none}
  .lock-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:32px}
  .cta-band h2{font-size:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .status-row{grid-template-columns:1fr;gap:10px;padding:18px 20px}
  .status-row .val{text-align:left}
}
@media (max-width:639px){
  body{font-size:15px}
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-name{font-size:15px}
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr}
  .stats div{border-left:0}
  .stats div:nth-child(even){border-left:0}
  .lock-grid,.news-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .sec-head h2{font-size:22px}
  .foot-grid{grid-template-columns:1fr}
  .faq-q{font-size:15px;padding:0 16px}
  .faq-a div{padding:0 16px 18px}
  .cta-band{padding:26px 20px}
}

/* roulang page: article */
:root{
  --bg:#070F1B;
  --bg-2:#0B1A2E;
  --brand:#2F6BFF;
  --brand-2:#22D3C5;
  --glow-link:#A855F7;
  --warn:#FF8A3D;
  --text:#EAF2FF;
  --text-2:#9FB3CE;
  --title:#FFFFFF;
  --line:rgba(120,180,255,.16);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --nav-bg:#FFFFFF;
  --nav-text:#16233A;
  --nav-text-2:#5A6B85;
  --nav-line:#E8EDF5;
  --nav-hover:#F2F6FF;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-card:0 12px 32px rgba(3,12,28,.45);
  --shadow-nav:0 2px 10px rgba(16,32,64,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-m);}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
h1,h2,h3,h4{color:var(--title);font-weight:800;letter-spacing:-.01em;margin:0;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.grid-container.wide{max-width:1320px;}
.button,.btn,.button.primary,.button.secondary{font-family:inherit;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  padding:13px 26px;font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(96deg,#2F6BFF,#22D3C5);
  color:#fff;
  box-shadow:0 0 24px rgba(47,107,255,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(47,107,255,.6);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.22);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(47,107,255,.14);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.22);color:#fff;}
.btn-outline-light:hover{border-color:var(--brand-2);background:rgba(34,211,197,.1);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-line);
  box-shadow:var(--shadow-nav);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(47,107,255,.75),rgba(34,211,197,.75),rgba(47,107,255,0));
  pointer-events:none;
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#2F6BFF,#22D3C5);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(47,107,255,.35);
}
.brand-mark span{width:12px;height:12px;border-radius:3px;background:#fff;display:block;transform:rotate(45deg);}
.brand-name{font-size:17px;font-weight:800;color:var(--nav-text);letter-spacing:-.01em;}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-menu a{
  position:relative;padding:9px 14px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--nav-text-2);
}
.nav-menu a:hover{background:var(--nav-hover);color:var(--nav-text);}
.nav-menu a.is-active{color:var(--brand);}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#F5F7FB;border:1px solid var(--nav-line);border-radius:999px;
  padding:9px 16px;min-width:220px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(47,107,255,.12);}
.nav-search i{color:var(--nav-text-2);font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;font-size:14px;color:var(--nav-text);width:100%;}
.nav-search input::placeholder{color:#93A2BA;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--nav-line);
  background:#F5F7FB;margin-left:auto;
}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--nav-text);border-radius:2px;}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(7,15,27,.5);
  backdrop-filter:blur(2px);z-index:70;
}
.nav-backdrop.is-open{display:block;}

/* ============ hero / article head ============ */
.article-hero{
  position:relative;
  padding:44px 0 56px;
  background:
    linear-gradient(180deg,rgba(7,15,27,.72) 0%,rgba(7,15,27,.88) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(120,180,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
}
.article-hero .grid-container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .now{color:var(--text);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--glass);border:1px solid var(--line);color:var(--brand-2);
}
.article-hero h1{
  font-size:44px;line-height:1.24;margin:18px 0 20px;max-width:920px;
  background:linear-gradient(96deg,#FFFFFF 32%,#BFE3FF 68%,#A855F7 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--text-2);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-2);font-size:13px;}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;}
.share-row .label{font-size:13px;color:var(--text-2);}
.share-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);font-size:14px;
}
.share-btn:hover{color:#fff;border-color:var(--brand-2);background:rgba(47,107,255,.18);transform:translateY(-2px);}

/* ============ article layout ============ */
.article-shell{padding:56px 0 8px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;}
.article-main{max-width:820px;}
.article-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:40px 44px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
}
.article-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(47,107,255,.85),rgba(34,211,197,.85),rgba(168,85,247,0));
}
.article-body{font-size:16px;line-height:1.9;color:#DBE7F8;word-break:break-word;}
.article-body > * + *{margin-top:1.1em;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;margin:2em 0 .7em;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.article-body h3{font-size:20px;margin:1.6em 0 .55em;color:#F2F8FF;}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;color:#E6F1FF;}
.article-body p{color:#D6E4F7;}
.article-body a{color:var(--brand-2);border-bottom:1px solid rgba(34,211,197,.45);}
.article-body a:hover{color:#fff;border-bottom-color:#fff;}
.article-body strong{color:#fff;}
.article-body img{border-radius:var(--radius-m);margin:1.4em 0;border:1px solid var(--line);}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.3em;}
.article-body ul li{list-style:disc;margin:.45em 0;color:#D6E4F7;}
.article-body ol li{list-style:decimal;margin:.45em 0;color:#D6E4F7;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;border-left:3px solid var(--brand);
  background:rgba(47,107,255,.1);border-radius:0 14px 14px 0;color:#E4EEFF;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(255,255,255,.05);color:#fff;font-weight:700;}
.article-body code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--radius-m);
  background:rgba(255,255,255,.03);
}
.empty-state i{font-size:34px;color:var(--brand-2);margin-bottom:16px;display:block;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:20px;font-size:15px;}

/* sidebar */
.side-stack{display:flex;flex-direction:column;gap:22px;}
.side-card{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:24px;
  backdrop-filter:blur(14px) saturate(140%);
}
.side-card::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(34,211,197,.8),rgba(47,107,255,0));
}
.side-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--brand-2);font-size:13px;}
.side-list li + li{margin-top:6px;}
.side-list a{
  display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:9px;
  font-size:14px;color:var(--text-2);
}
.side-list a:hover{background:rgba(255,255,255,.05);color:#fff;}
.side-list a i{font-size:11px;color:var(--brand-2);}
.side-note{font-size:13px;line-height:1.75;color:var(--text-2);}
.side-cta{margin-top:18px;width:100%;}

/* ============ sections ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:32px;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--text-2);max-width:720px;font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}
.divider{height:1px;background:var(--line);border:0;margin:0;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:var(--glass);border:1px solid var(--line);
}
.tag:hover{color:#fff;border-color:var(--brand-2);background:rgba(47,107,255,.14);}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.pn-item{
  display:block;padding:18px 20px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
}
.pn-item:hover{border-color:var(--brand-2);background:rgba(47,107,255,.12);transform:translateY(-3px);}
.pn-item .k{font-size:12px;color:var(--brand-2);font-weight:700;letter-spacing:.06em;}
.pn-item .v{margin-top:8px;font-size:15px;color:#fff;font-weight:700;line-height:1.5;}
.pn-item.right{text-align:right;}

.back-row{margin-top:34px;}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--brand-2);box-shadow:0 18px 40px rgba(3,12,28,.55);}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,15,27,0) 40%,rgba(7,15,27,.75) 100%);
}
.post-card .thumb .badge{position:absolute;top:12px;left:12px;z-index:2;background:rgba(7,15,27,.62);color:#8FF3E9;}
.post-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17px;line-height:1.5;}
.post-card h3 a:hover{color:var(--brand-2);}
.post-card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);}
.post-card .foot .more{color:var(--brand);font-weight:700;}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);margin-bottom:12px;
  background:var(--glass);overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item[open]{border-color:var(--brand-2);background:rgba(47,107,255,.08);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 22px;min-height:58px;cursor:pointer;font-size:16px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:600;color:var(--brand-2);flex:0 0 auto;transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-item .answer{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:820px;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:radial-gradient(120% 140% at 12% 0%,rgba(47,107,255,.28) 0%,rgba(7,15,27,0) 58%),var(--bg-2);
  padding:52px 48px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,197,.28) 0%,rgba(34,211,197,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{font-size:30px;line-height:1.35;max-width:560px;}
.cta-inner p{margin-top:12px;color:var(--text-2);max-width:560px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* reward / stat strip */
.stat-strip{
  display:flex;flex-wrap:wrap;gap:8px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;margin-top:36px;
}
.stat-strip .item{flex:1 1 160px;padding:0 24px;border-left:1px solid var(--line);}
.stat-strip .item:first-child{border-left:0;padding-left:0;}
.stat-strip .num{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;display:block;}
.stat-strip .lbl{font-size:13px;color:var(--text-2);}

/* footer */
.site-footer{
  margin-top:80px;background:var(--bg-2);border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-text{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px;}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--brand-2);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-2);
}
.to-top{
  border:1px solid var(--line);background:var(--glass);color:var(--text-2);
  border-radius:999px;padding:9px 18px;font-size:13px;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.to-top:hover{color:#fff;border-color:var(--brand-2);transform:translateY(-2px);}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

@media all and (max-width:1023px){
  .nav-inner{height:64px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    position:fixed;top:0;left:0;bottom:0;width:80%;max-width:320px;
    background:var(--nav-bg);flex-direction:column;align-items:stretch;gap:4px;
    padding:78px 18px 26px;margin:0;z-index:80;overflow-y:auto;
    transform:translateX(-102%);transition:transform .28s var(--ease);
    box-shadow:0 12px 40px rgba(3,12,28,.28);
  }
  .nav-menu.is-open{transform:none;}
  .nav-menu a{padding:14px 16px;font-size:16px;border-radius:10px;}
  .nav-menu a.is-active::after{left:16px;right:auto;width:26px;bottom:6px;}
  .nav-search{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-main{max-width:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
  .cta-band{padding:40px 32px;}
}
@media all and (max-width:640px){
  .grid-container{padding:0 18px;}
  .brand-name{font-size:15px;}
  .article-hero{padding:28px 0 40px;}
  .article-hero h1{font-size:30px;margin:14px 0 16px;}
  .article-card{padding:26px 20px;border-radius:var(--radius-m);}
  .article-body{font-size:15.5px;line-height:1.9;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .article-shell{padding:38px 0 0;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .prev-next{grid-template-columns:minmax(0,1fr);}
  .pn-item.right{text-align:left;}
  .stat-strip .item{flex:1 1 100%;border-left:0;padding:10px 0;border-top:1px solid var(--line);}
  .stat-strip .item:first-child{border-top:0;}
  .cta-band{padding:32px 22px;border-radius:var(--radius-m);}
  .cta-inner h2{font-size:23px;}
  .cta-actions .btn{flex:1 1 auto;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg:#070F1B;
  --bg-2:#0B1A2E;
  --bg-3:#0A1626;
  --brand:#2F6BFF;
  --brand-2:#22D3C5;
  --glow-link:#A855F7;
  --warn:#FF8A3D;
  --text:#EAF2FF;
  --text-2:#9FB3CE;
  --title:#FFFFFF;
  --line:rgba(120,180,255,.16);
  --line-soft:rgba(120,180,255,.10);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --nav-bg:#FFFFFF;
  --nav-border:#E8EDF5;
  --nav-text:#16233A;
  --nav-text-2:#5A6B85;
  --nav-hover:#F2F6FF;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-card:0 12px 32px rgba(3,12,28,.45);
  --sh-nav:0 2px 10px rgba(16,32,64,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{color:var(--title);font-weight:800;letter-spacing:-.01em;line-height:1.25}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
p{color:var(--text-2)}
button,input,select,textarea{font-family:inherit;font-size:15px;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,107,255,.35);color:#fff}

/* ---------- 覆盖 Foundation 默认外观 ---------- */
body,html{background:var(--bg)}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.grid-container.full{max-width:none}
table{background:transparent;border:0;border-collapse:separate;border-spacing:0;margin:0}
table thead{background:transparent;border:0}
table tbody tr:nth-child(even){background:transparent}
table th,table td{border:0;font-size:15px}
.accordion,.tabs,.menu{background:transparent;border:0;margin:0}
.button,.btn{box-shadow:none}
input[type=text],input[type=tel],select,textarea{background:transparent;border:0;box-shadow:none;margin:0}

/* ---------- 通用件 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-p);
  font-size:13px;line-height:1.6;font-weight:600;
  color:#BBD3FF;
  background:rgba(47,107,255,.14);
  border:1px solid rgba(47,107,255,.36);
  white-space:nowrap;
}
.badge-warn{color:#FFB88A;background:rgba(255,138,61,.16);border-color:rgba(255,138,61,.45)}
.badge-cyan{color:#9CF3EC;background:rgba(34,211,197,.14);border-color:rgba(34,211,197,.4)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-p);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(96deg,#2F6BFF,#22D3C5);
  color:#fff;
  box-shadow:0 0 24px rgba(47,107,255,.45);
}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 36px rgba(47,107,255,.65)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.22);
  color:var(--text);
  backdrop-filter:blur(10px) saturate(140%);
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);background:rgba(47,107,255,.12)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}

.section{padding:var(--sec) 0;border-top:1px solid var(--line-soft);position:relative}
.section:first-of-type{border-top:0}
.section-alt{background:linear-gradient(180deg,rgba(11,26,46,.85),rgba(7,15,27,.95))}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin:14px 0 14px}
.section-desc{font-size:16px;line-height:1.8}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 顶部导航（白底） ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-border);
  box-shadow:var(--sh-nav);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(47,107,255,.75),rgba(34,211,197,.75),rgba(47,107,255,0));
  pointer-events:none;
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#2F6BFF,#22D3C5);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(47,107,255,.35);
}
.brand-mark span{
  width:12px;height:12px;border-radius:3px;background:#fff;transform:rotate(45deg);
}
.brand-name{font-size:17px;font-weight:800;color:var(--nav-text);letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-menu a{
  position:relative;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--nav-text-2);
}
.nav-menu a:hover{color:var(--nav-text);background:var(--nav-hover)}
.nav-menu a.is-active{color:var(--brand);background:var(--nav-hover)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2F6BFF,#22D3C5);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  min-width:230px;padding:8px 14px;
  background:var(--nav-hover);
  border:1px solid var(--nav-border);
  border-radius:var(--r-p);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box i{font-size:13px;color:#8FA0B8}
.search-box input{flex:1;border:0;outline:0;background:transparent;color:var(--nav-text);font-size:14px}
.search-box input::placeholder{color:#8FA0B8}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,107,255,.12)}
.btn-nav{
  padding:10px 22px;border-radius:var(--r-p);
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  transition:background-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-nav:hover{color:#fff;background:#2559DD;transform:translateY(-1px);box-shadow:0 8px 18px rgba(47,107,255,.28)}
.btn-nav:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--nav-hover);border:1px solid var(--nav-border);
  color:var(--nav-text);font-size:16px;
}
.nav-toggle:hover{background:#E7EFFF}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(7,15,27,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:82%;max-width:340px;
  background:#fff;z-index:100;padding:20px 22px 28px;
  transform:translateX(-102%);transition:transform .28s var(--ease);
  box-shadow:12px 0 40px rgba(6,16,34,.28);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--nav-border);padding-bottom:16px}
.drawer-close{width:38px;height:38px;border-radius:10px;background:var(--nav-hover);color:var(--nav-text);font-size:16px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:13px 14px;border-radius:10px;color:var(--nav-text-2);font-weight:600}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--brand);background:var(--nav-hover)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.drawer-foot .btn-nav{width:100%;text-align:center;padding:13px 20px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb span.sep{color:rgba(159,179,206,.55)}
.breadcrumb span.current{color:#CFE1FF}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(115deg,rgba(7,15,27,.95) 0%,rgba(7,15,27,.86) 42%,rgba(11,26,46,.75) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(120,180,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.cat-hero::after{
  content:"";position:absolute;right:-10%;top:-30%;width:70%;height:150%;pointer-events:none;
  background:radial-gradient(circle at 60% 40%,rgba(47,107,255,.35),rgba(34,211,197,.12) 45%,transparent 70%);
}
.cat-hero .grid-container{position:relative;z-index:2;padding-top:48px;padding-bottom:56px}
.cat-hero .hero-title{margin:16px 0 16px;max-width:900px}
.hero-sub{font-size:17px;max-width:720px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:flex;flex-wrap:wrap;align-items:stretch;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
}
.stat{padding:0 30px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:0}
.stat-num{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2}
.stat-label{display:block;font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- 对比表 ---------- */
.compare-outer{position:relative}
.compare-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(16px) saturate(140%);
}
.compare{width:100%;min-width:900px}
.compare thead th{
  position:sticky;top:0;z-index:3;
  background:#0C1A2E;
  padding:18px 20px;
  font-size:14px;font-weight:700;color:#CFE1FF;text-align:left;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare thead th:first-child{
  position:sticky;left:0;z-index:5;color:var(--text-2);font-weight:600;
}
.compare tbody th{
  position:sticky;left:0;z-index:2;
  background:var(--bg-3);
  padding:16px 20px;text-align:left;
  font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line-soft);
  white-space:nowrap;min-width:176px;
}
.compare tbody td{
  padding:16px 20px;font-size:15px;color:#CFE1FF;
  border-bottom:1px solid var(--line-soft);
  min-width:132px;white-space:nowrap;
}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover th,.compare tbody tr:hover td{background:rgba(255,255,255,.04)}
.compare .col-best{background:rgba(47,107,255,.10)}
.compare thead .col-best{
  box-shadow:inset 1px 0 0 rgba(47,107,255,.55),inset -1px 0 0 rgba(47,107,255,.55);
  background:linear-gradient(180deg,rgba(47,107,255,.28),rgba(47,107,255,.12)),#0C1A2E;
}
.compare tbody .col-best{
  box-shadow:inset 1px 0 0 rgba(47,107,255,.45),inset -1px 0 0 rgba(47,107,255,.45);
  color:#fff;font-weight:600;
}
.best-head{display:inline-flex;align-items:center;gap:8px}
.compare i.ok{color:var(--brand-2);font-size:14px}
.compare i.dim{color:rgba(159,179,206,.55);font-size:14px}
.compare .val{display:inline-flex;align-items:center;gap:8px}
.table-note{margin-top:16px;font-size:13px;color:rgba(159,179,206,.85)}

/* ---------- 权益清单双栏 ---------- */
.benefit-card{
  position:relative;height:100%;
  padding:30px 28px 26px;
  border-radius:var(--r-l);
  border:1px solid var(--glass-2);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.benefit-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(168,85,247,.75),rgba(34,211,197,.7),rgba(47,107,255,0));
}
.benefit-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.5);box-shadow:0 18px 42px rgba(3,12,28,.55)}
.bc-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.bc-icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,107,255,.16);border:1px solid rgba(47,107,255,.4);
  color:#9FBFFF;font-size:16px;
}
.bc-sub{font-size:13px;color:var(--text-2);margin-bottom:20px}
.bc-list{display:flex;flex-direction:column;gap:2px}
.bc-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 12px;border-radius:12px;
  transition:background-color .18s var(--ease);
}
.bc-item:hover{background:rgba(255,255,255,.04)}
.bc-item i{color:var(--brand-2);font-size:14px;margin-top:6px;flex:0 0 auto}
.bc-item b{display:block;color:#fff;font-size:15px;font-weight:600}
.bc-item span{display:block;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 开通流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;padding:26px 22px 24px;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.45)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#2F6BFF,#22D3C5);
  box-shadow:0 8px 20px rgba(47,107,255,.32);
}
.step-title{margin:16px 0 8px;font-size:18px;color:#fff;font-weight:700}
.step-text{font-size:14px;line-height:1.75}

/* ---------- 更新记录 ---------- */
.news-list{
  border:1px solid var(--line);border-radius:var(--r-l);
  background:rgba(255,255,255,.04);overflow:hidden;
}
.news-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:20px 26px;border-bottom:1px solid var(--line-soft);
  transition:background-color .18s var(--ease);
}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:rgba(255,255,255,.04)}
.news-date{
  flex:0 0 132px;font-size:13px;color:var(--brand-2);font-weight:700;letter-spacing:.01em;
}
.news-text{font-size:15px;color:#CFE1FF;line-height:1.8}
.news-text em{font-style:normal;color:#fff;font-weight:600}

/* ---------- 内链卡片 ---------- */
.link-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.link-card{
  position:relative;display:flex;gap:20px;align-items:center;
  padding:22px;border-radius:var(--r-l);
  border:1px solid var(--glass-2);background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.5);box-shadow:0 18px 42px rgba(3,12,28,.55);color:inherit}
.link-media{flex:0 0 148px;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line)}
.link-media img{width:148px;height:104px;object-fit:cover;transition:transform .3s var(--ease)}
.link-card:hover .link-media img{transform:scale(1.03)}
.link-body{min-width:0}
.link-title{display:block;font-size:19px;font-weight:700;color:#fff;margin:8px 0 6px}
.link-desc{font-size:14px;line-height:1.7;color:var(--text-2)}
.link-more{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:14px;font-weight:700;color:var(--brand-2)}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-m);
  background:rgba(255,255,255,.04);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item:hover{background:rgba(255,255,255,.06)}
.faq-item[open]{border-color:rgba(34,211,197,.5);background:rgba(47,107,255,.08)}
.faq-item summary{
  list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;font-size:16px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--brand-2);
  background:rgba(34,211,197,.12);border:1px solid rgba(34,211,197,.35);
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;max-width:820px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:44px 40px;
  background:
    radial-gradient(circle at 12% 20%,rgba(47,107,255,.35),transparent 55%),
    radial-gradient(circle at 88% 80%,rgba(34,211,197,.25),transparent 55%),
    linear-gradient(160deg,#0B1A2E,#070F1B);
  box-shadow:var(--sh-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(120,180,255,.07) 1px,transparent 1px);
  background-size:100% 44px;
}
.cta-inner{position:relative;z-index:2}
.cta-title{margin:14px 0 12px}
.cta-text{font-size:15px;line-height:1.8;max-width:520px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-points span{
  padding:6px 14px;border-radius:var(--r-p);font-size:13px;
  color:#CFE1FF;background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.cta-form{
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-2);
  border-radius:var(--r-l);
  padding:26px 24px;
  backdrop-filter:blur(16px) saturate(140%);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:13px;font-weight:600;color:#CFE1FF}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-s);
  color:#fff;font-size:15px;outline:0;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(159,179,206,.75)}
.form-field select option{background:#0B1A2E;color:#fff}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,211,197,.14);background:rgba(255,255,255,.08);
}
.form-field textarea{resize:vertical;min-height:88px}
.form-submit{width:100%;margin-top:20px}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:rgba(159,179,206,.9)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#050B14;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-name{color:#fff}
.foot-text{font-size:14px;line-height:1.8;max-width:320px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--text-2)}
.foot-links a:hover{color:var(--brand-2)}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(159,179,206,.9);
}
.to-top{
  padding:9px 18px;border-radius:var(--r-p);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:#CFE1FF;font-size:13px;font-weight:600;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.to-top:hover{border-color:var(--brand-2);color:#fff;transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:72px}
  h1{font-size:34px}
  h2{font-size:26px}
  h3{font-size:20px}
  .nav-menu,.search-box{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-inner{height:64px;gap:14px}
  .brand-name{font-size:16px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .link-cards{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cat-hero .hero-title{font-size:32px}
}
@media (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px}
  .cta-band{padding:30px 22px}
  .form-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;gap:6px;padding:18px 20px}
  .news-date{flex:none}
  .link-card{flex-direction:column;align-items:flex-start}
  .link-media,.link-media img{width:100%}
  .link-media img{height:170px}
  .benefit-card{padding:24px 20px}
}
@media (max-width:560px){
  :root{--sec:56px}
  body{font-size:15px}
  h1{font-size:28px}
  h2{font-size:23px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .stat{padding:0 18px 0 18px;margin-bottom:14px}
  .stat-num{font-size:22px}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#070F1B;
  --bg-2:#0B1A2E;
  --brand:#2F6BFF;
  --brand-2:#22D3C5;
  --glow-link:#A855F7;
  --warn:#FF8A3D;
  --text:#EAF2FF;
  --text-2:#9FB3CE;
  --line:rgba(120,180,255,0.16);
  --glass:rgba(255,255,255,0.05);
  --glass-2:rgba(255,255,255,0.08);
  --nav-bg:#FFFFFF;
  --nav-text:#16233A;
  --nav-text-2:#5A6B85;
  --nav-line:#E8EDF5;
  --nav-hover:#F2F6FF;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-card:0 12px 32px rgba(3,12,28,0.45);
  --shadow-nav:0 2px 10px rgba(16,32,64,0.06);
  --grad:linear-gradient(96deg,#2F6BFF,#22D3C5);
  --ease:cubic-bezier(0.22,0.61,0.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-2);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:#fff;font-weight:700;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-line);
  box-shadow:var(--shadow-nav);
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(47,107,255,.85),rgba(34,211,197,.85),rgba(47,107,255,0));
}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(47,107,255,.35);
  position:relative;
}
.brand-mark span{
  width:12px;height:12px;border-radius:3px;
  background:#fff;display:block;
  transform:rotate(45deg);
}
.brand-name{
  font-size:18px;font-weight:800;color:var(--nav-text);letter-spacing:-0.01em;white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto;}
.nav-menu a{
  display:inline-block;
  padding:24px 12px;
  font-size:15px;color:var(--nav-text-2);font-weight:500;
  border-bottom:2px solid transparent;
  position:relative;
}
.nav-menu a:hover{color:var(--brand);background:var(--nav-hover);}
.nav-menu a.is-active{color:var(--brand);font-weight:700;border-bottom-color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#F4F7FC;border:1px solid var(--nav-line);
  border-radius:var(--r-pill);
  padding:0 14px;height:40px;width:210px;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;}
.nav-search i{color:var(--nav-text-2);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--nav-text);
}
.nav-search input::placeholder{color:#9AA9BF;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;font-size:15px;
  padding:0 22px;height:46px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 0 24px rgba(47,107,255,.45);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 36px rgba(47,107,255,.6);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.22);
  color:var(--text);
  backdrop-filter:blur(10px) saturate(140%);
}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(47,107,255,.12);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-cta{box-shadow:0 6px 16px rgba(47,107,255,.28);}
.nav-cta:hover{box-shadow:0 8px 22px rgba(47,107,255,.34);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--nav-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--nav-text);border-radius:2px;transition:.2s var(--ease);}
.nav-toggle:hover{background:var(--nav-hover);}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,12,24,.55);
  opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:99;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;
  background:#fff;z-index:100;transform:translateX(-102%);
  transition:transform .28s var(--ease);
  padding:22px 20px;overflow-y:auto;
  box-shadow:0 24px 60px rgba(6,16,36,.35);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--nav-line);
  color:var(--nav-text);font-size:16px;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--nav-hover);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-nav a{
  padding:13px 12px;border-radius:12px;color:var(--nav-text-2);font-weight:500;font-size:15px;
}
.drawer-nav a:hover{background:var(--nav-hover);color:var(--brand);}
.drawer-nav a.is-active{background:rgba(47,107,255,.09);color:var(--brand);font-weight:700;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-color:var(--bg-2);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,15,27,.88),rgba(7,15,27,.94)),
    radial-gradient(600px 320px at 78% 22%,rgba(47,107,255,.32),transparent 70%),
    radial-gradient(420px 260px at 12% 84%,rgba(34,211,197,.18),transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,180,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:34px 0 68px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:26px;}
.crumbs a:hover{color:var(--brand-2);}
.crumbs span.sep{color:rgba(159,179,206,.55);}
.crumbs .cur{color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:13px;color:var(--brand-2);margin-bottom:18px;
  backdrop-filter:blur(12px) saturate(140%);
}
.hero-badge i{font-size:12px;}
.hero h1{
  font-size:44px;line-height:1.22;font-weight:800;
  max-width:900px;
  background:linear-gradient(96deg,#FFFFFF 42%,#A855F7 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:18px;max-width:720px;
  font-size:17px;color:var(--text-2);line-height:1.85;
}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-strip{
  margin-top:44px;display:flex;flex-wrap:wrap;gap:0;
  border:1px solid var(--line);border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(47,107,255,.14),rgba(34,211,197,.06));
  backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
}
.hero-strip .mini{flex:1 1 200px;padding:20px 26px;position:relative;}
.hero-strip .mini + .mini::before{
  content:"";position:absolute;left:0;top:22%;height:56%;width:1px;background:var(--line);
}
.mini-num{font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-0.01em;}
.mini-num em{font-style:normal;font-size:14px;color:var(--brand-2);margin-left:4px;font-weight:700;}
.mini-label{font-size:13px;color:var(--text-2);margin-top:4px;}

/* ---------- Sections ---------- */
.section{padding:88px 0;position:relative;}
.section.alt{background:var(--bg-2);}
.section-divider{height:1px;background:var(--line);margin:0;}
.sec-head{margin-bottom:40px;max-width:840px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-2);
  letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand-2);border-radius:2px;}
.sec-head h2{font-size:32px;line-height:1.3;}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:12px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(47,107,255,.9),rgba(34,211,197,.55) 55%,rgba(168,85,247,.15));
  border-radius:2px;
}
.tl-item{position:relative;padding-left:66px;margin-bottom:26px;}
.tl-node{
  position:absolute;left:0;top:18px;width:40px;height:40px;border-radius:50%;
  background:var(--bg-2);
  border:1px solid rgba(34,211,197,.5);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:var(--brand-2);
  box-shadow:0 0 18px rgba(34,211,197,.22);
  font-variant-numeric:tabular-nums;
}
.tl-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  backdrop-filter:blur(16px) saturate(140%);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.tl-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,0),rgba(34,211,197,.9),rgba(168,85,247,0));
  opacity:.75;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.55);box-shadow:0 18px 44px rgba(3,12,28,.6);}
.tl-grid{display:grid;grid-template-columns:288px 1fr;}
.tl-media{position:relative;overflow:hidden;min-height:212px;background:#0E1F36;}
.tl-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.tl-card:hover .tl-media img{transform:scale(1.03);}
.tl-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(7,15,27,.45),rgba(7,15,27,0));}
.tl-body{padding:26px 30px 24px;}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--glass-2);border:1px solid var(--line);
  font-size:12px;color:var(--text-2);font-weight:600;
}
.tag.hot{color:var(--warn);border-color:rgba(255,138,61,.4);background:rgba(255,138,61,.1);}
.tag.cyan{color:var(--brand-2);border-color:rgba(34,211,197,.38);background:rgba(34,211,197,.08);}
.tl-body h3{font-size:22px;}
.tl-desc{margin-top:10px;color:var(--text-2);font-size:15px;}
.tl-points{margin-top:16px;display:grid;gap:10px;}
.tl-points li{display:flex;gap:10px;font-size:14.5px;color:#D6E3F7;line-height:1.7;}
.tl-points i{color:var(--brand-2);font-size:13px;margin-top:6px;flex:0 0 auto;}
.tl-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.tl-meta{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;}
.text-link{font-size:14px;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:#fff;}
.text-link i{font-size:12px;}

/* ---------- Stats bar ---------- */
.stat-wrap{margin-top:8px;}
.stat-bar{
  display:flex;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(47,107,255,.12),rgba(34,211,197,.05));
  overflow:hidden;
}
.stat{flex:1 1 210px;padding:26px 28px;position:relative;}
.stat + .stat::before{content:"";position:absolute;left:0;top:24%;height:52%;width:1px;background:var(--line);}
.stat .n{font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-0.01em;}
.stat .n em{font-style:normal;font-size:14px;color:var(--brand-2);margin-left:4px;}
.stat .l{margin-top:6px;font-size:13.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-m);
  background:var(--glass);
  overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(34,211,197,.45);}
.faq-item[open]{border-color:rgba(34,211,197,.6);background:rgba(255,255,255,.07);}
.faq-item summary{
  list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;font-size:16px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(34,211,197,.45);color:var(--brand-2);font-size:16px;font-weight:700;line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 22px 20px;max-width:820px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(760px 320px at 22% 20%,rgba(47,107,255,.3),transparent 70%),
    radial-gradient(620px 300px at 82% 82%,rgba(34,211,197,.22),transparent 72%),
    var(--bg-2);
  padding:76px 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 420px;gap:52px;align-items:center;}
.cta-copy h2{font-size:30px;}
.cta-copy p{margin-top:16px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:560px;}
.cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:#D6E3F7;}
.cta-points i{color:var(--brand-2);font-size:13px;margin-top:6px;}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:28px 26px 24px;
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.form-card h3{font-size:19px;margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  background:rgba(7,15,27,.55);
  border:1px solid var(--line);border-radius:var(--r-s);
  color:var(--text);font-size:15px;outline:none;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:#7B8DA6;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-2);background:rgba(7,15,27,.75);}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB3CE 50%),linear-gradient(135deg,#9FB3CE 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-2);line-height:1.7;}
.form-tip{margin-top:12px;font-size:13px;color:var(--brand-2);min-height:18px;}

/* ---------- Footer ---------- */
.site-footer{
  background:#060D18;border-top:1px solid var(--line);padding:66px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{width:30px;height:30px;border-radius:9px;}
.foot-brand .brand-name{color:#fff;font-size:17px;}
.foot-text{color:var(--text-2);font-size:14px;line-height:1.85;max-width:360px;}
.foot-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;}
.foot-links{display:grid;gap:10px;}
.foot-links a{color:var(--text-2);font-size:14px;display:inline-block;}
.foot-links a:hover{color:var(--brand-2);}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-2);
}
.to-top{
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 16px;color:var(--text-2);font-size:13px;
  transition:.18s var(--ease);
}
.to-top:hover{color:#fff;border-color:var(--brand-2);background:rgba(34,211,197,.1);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .nav-search{width:170px;}
  .hero h1{font-size:34px;}
  .hero-inner{padding:26px 0 56px;}
  .section{padding:72px 0;}
  .sec-head h2{font-size:26px;}
  .tl-grid{grid-template-columns:220px 1fr;}
  .tl-media{min-height:190px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .nav-inner{min-height:64px;gap:12px;}
  .nav-search{display:none;}
  .brand-name{font-size:16px;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero-sub{font-size:15px;}
  .hero-acts .btn{width:100%;}
  .hero-strip .mini{flex:1 1 100%;padding:16px 20px;}
  .hero-strip .mini + .mini::before{left:20px;right:20px;top:0;height:1px;width:auto;}
  .section{padding:56px 0;}
  .sec-head h2{font-size:23px;}
  .timeline::before{left:15px;}
  .tl-item{padding-left:44px;}
  .tl-node{width:32px;height:32px;font-size:11px;top:14px;}
  .tl-grid{grid-template-columns:1fr;}
  .tl-media{min-height:168px;}
  .tl-body{padding:20px 18px;}
  .tl-body h3{font-size:19px;}
  .stat{flex:1 1 100%;padding:20px 22px;}
  .stat + .stat::before{left:22px;right:22px;top:0;height:1px;width:auto;}
  .cta-band{padding:56px 0;}
  .cta-copy h2{font-size:23px;}
  .form-card{padding:22px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
/* ================= 设计变量 ================= */
:root{
  --bg:#070F1B;
  --bg-2:#0B1A2E;
  --brand:#2F6BFF;
  --brand-2:#22D3C5;
  --glow:#A855F7;
  --warn:#FF8A3D;
  --text:#EAF2FF;
  --text-2:#9FB3CE;
  --line:rgba(120,180,255,.16);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --nav-bg:#FFFFFF;
  --nav-line:#E8EDF5;
  --nav-text:#16233A;
  --nav-text-2:#5A6B85;
  --nav-hover:#F2F6FF;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(3,12,28,.45);
  --sh-nav:0 2px 10px rgba(16,32,64,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;color:#fff;font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
strong{font-weight:700;}
::selection{background:rgba(47,107,255,.4);color:#fff;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}

/* ================= 容器与栅格 ================= */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.grid-container.full{max-width:1320px;}
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--bg-2);}
.hairline{height:1px;background:linear-gradient(90deg,transparent,var(--line) 18%,var(--line) 82%,transparent);}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:32px;}
.sec-head p{color:var(--text-2);font-size:15px;max-width:640px;margin-top:10px;line-height:1.8;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-2);letter-spacing:.04em;margin-bottom:12px;}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-2);display:block;}
.link-more{color:var(--brand-2);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more:hover{color:#fff;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(96deg,#2F6BFF,#22D3C5);
  color:#fff;box-shadow:0 0 24px rgba(47,107,255,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(47,107,255,.6);filter:brightness(1.06);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(47,107,255,.5);}
.btn-ghost{
  background:var(--glass);color:var(--text);border-color:rgba(255,255,255,.22);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(47,107,255,.12);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);font-size:13px;line-height:1.6;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.badge-tier-1{color:#8FE3FF;border-color:rgba(143,227,255,.35);background:rgba(143,227,255,.08);}
.badge-tier-2{color:#7CF0E2;border-color:rgba(34,211,197,.4);background:rgba(34,211,197,.1);}
.badge-tier-3{color:#9DB8FF;border-color:rgba(47,107,255,.45);background:rgba(47,107,255,.14);}
.badge-tier-4{color:#D9B6FF;border-color:rgba(168,85,247,.45);background:rgba(168,85,247,.14);}
.badge-warn{color:var(--warn);border-color:rgba(255,138,61,.45);background:rgba(255,138,61,.12);}

/* ================= 导航 ================= */
.site-header{
  position:sticky;top:0;z-index:90;background:var(--nav-bg);
  border-bottom:1px solid var(--nav-line);box-shadow:var(--sh-nav);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,#2F6BFF,#22D3C5,transparent);
  opacity:.85;
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:var(--nav-h);
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;position:relative;
  background:linear-gradient(135deg,#2F6BFF,#22D3C5);
  box-shadow:0 6px 16px rgba(47,107,255,.32);
}
.brand-mark span{position:absolute;inset:9px;border:2px solid #fff;border-radius:4px;}
.brand-name{font-size:17px;font-weight:800;color:var(--nav-text);letter-spacing:-.01em;white-space:nowrap;}

.nav-menu{display:flex;align-items:center;gap:2px;height:100%;margin-left:8px;flex:1;}
.nav-menu a{
  position:relative;display:flex;align-items:center;height:100%;
  padding:0 14px;font-size:15px;color:var(--nav-text-2);
}
.nav-menu a:hover{color:var(--brand);background:var(--nav-hover);}
.nav-menu a.is-active{color:var(--brand);font-weight:700;}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2F6BFF,#22D3C5);
}

.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#F4F7FC;border:1px solid var(--nav-line);border-radius:var(--r-pill);
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-search:focus-within{border-color:#BBD0FF;background:#fff;}
.nav-search i{color:#93A3BC;font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;width:132px;font-size:14px;color:var(--nav-text);}
.nav-search input::placeholder{color:#93A3BC;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  transition:background-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-cta:hover{background:#1F55DE;transform:translateY(-1px);box-shadow:0 6px 16px rgba(47,107,255,.3);color:#fff;}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--nav-line);
  color:var(--nav-text);font-size:17px;align-items:center;justify-content:center;background:#fff;
}
.nav-toggle:hover{background:var(--nav-hover);color:var(--brand);}

/* ================= 面包屑 ================= */
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);padding:20px 0 0;}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .cur{color:#fff;font-weight:600;}

/* ================= 内页首屏 ================= */
.page-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(7,15,27,.93) 0%,rgba(7,15,27,.86) 55%,rgba(7,15,27,.97) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:0 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,180,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.page-hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-160px;top:-240px;pointer-events:none;
  background:radial-gradient(circle,rgba(47,107,255,.32),rgba(168,85,247,.1) 45%,transparent 72%);
}
.page-hero .grid-container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:44px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);font-size:13px;color:var(--brand-2);margin-bottom:20px;
}
.hero-tag i{font-size:11px;}
.page-hero h1{
  font-size:44px;line-height:1.22;max-width:14em;
  background:linear-gradient(96deg,#FFFFFF 30%,#A855F7 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{color:var(--text-2);font-size:17px;line-height:1.8;margin-top:18px;max-width:34em;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}

.stat-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin-top:40px;padding:18px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-bar .stat{padding:0 28px;border-left:1px solid var(--line);}
.stat-bar .stat:first-child{padding-left:0;border-left:0;}
.stat-bar strong{display:block;font-size:20px;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat-bar span{font-size:13px;color:var(--text-2);}

.hero-card{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--sh-card);backdrop-filter:blur(16px) saturate(140%);
}
.hero-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(168,85,247,.9),rgba(34,211,197,.8),transparent);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9;}
.hero-card-body{padding:22px 22px 24px;}
.hero-card-body h3{font-size:18px;margin-bottom:8px;}
.hero-card-body p{color:var(--text-2);font-size:14px;line-height:1.75;}
.hero-card-meta{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap;}

/* ================= 筛选标签栏 ================= */
.filter-bar{
  position:sticky;top:var(--nav-h);z-index:70;
  background:rgba(7,15,27,.88);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 0;}
.filter-label{font-size:13px;color:var(--text-2);margin-right:6px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);font-size:14px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:all .18s var(--ease);
}
.chip:hover{color:#fff;border-color:var(--brand-2);background:rgba(34,211,197,.1);}
.chip.is-on{color:#fff;background:linear-gradient(96deg,rgba(47,107,255,.9),rgba(34,211,197,.85));border-color:transparent;}
.chip i{font-size:12px;}

/* ================= 瀑布流内容卡 ================= */
.masonry{column-count:3;column-gap:24px;}
.masonry > *{break-inside:avoid;margin-bottom:24px;}
.content-card{
  position:relative;display:block;border-radius:var(--r-m);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.content-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:4;
  background:linear-gradient(90deg,transparent,rgba(34,211,197,.85),transparent);
  opacity:.55;transition:opacity .22s var(--ease);
}
.content-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.55);box-shadow:0 16px 40px rgba(3,12,28,.6);}
.content-card:hover::before{opacity:1;}
.content-card:active{transform:translateY(-2px);}
.cc-cover{position:relative;overflow:hidden;}
.cc-cover img{width:100%;object-fit:cover;transition:transform .35s var(--ease);}
.cc-cover.tall img{aspect-ratio:4/5;}
.cc-cover.wide img{aspect-ratio:16/9;}
.cc-cover.mid img{aspect-ratio:4/3;}
.content-card:hover .cc-cover img{transform:scale(1.03);}
.cc-tier{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
  backdrop-filter:blur(8px);
}
.cc-lock{
  position:absolute;top:12px;right:12px;z-index:3;
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(7,15,27,.6);border:1px solid var(--line);color:var(--brand-2);font-size:12px;
}
.cc-body{padding:20px 20px 22px;}
.cc-body h3{font-size:17px;line-height:1.45;margin-bottom:10px;}
.cc-body p{color:var(--text-2);font-size:14px;line-height:1.75;}
.cc-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
}
.cc-foot .go{color:var(--brand-2);font-weight:600;}

/* ================= 更新节奏 ================= */
.rhythm-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:start;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:linear-gradient(180deg,rgba(47,107,255,.6),rgba(34,211,197,.25),transparent);}
.tl-item{position:relative;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:6px;width:15px;height:15px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--brand);box-shadow:0 0 14px rgba(47,107,255,.6);
}
.tl-item .tl-no{font-size:13px;color:var(--brand-2);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.tl-item h3{font-size:20px;margin:6px 0 10px;}
.tl-item p{color:var(--text-2);font-size:15px;line-height:1.8;max-width:44em;}
.status-strip{
  display:flex;align-items:center;gap:12px;margin-top:26px;padding:14px 18px;
  border-radius:var(--r-m);background:var(--glass);border:1px solid var(--line);font-size:14px;color:var(--text-2);
}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(34,211,197,.15);flex-shrink:0;}
.rhythm-figure{
  border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);
  background:var(--glass);box-shadow:var(--sh-card);
}
.rhythm-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rhythm-figure figcaption{padding:16px 20px;font-size:13.5px;color:var(--text-2);border-top:1px solid var(--line);}
.mini-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px;}
.mini-fact{
  padding:14px 16px;border-radius:var(--r-s);background:var(--glass);border:1px solid var(--line);
}
.mini-fact strong{display:block;color:#fff;font-size:17px;font-variant-numeric:tabular-nums;}
.mini-fact span{font-size:12.5px;color:var(--text-2);}

/* ================= 资讯入口横幅 ================= */
.news-banner{
  position:relative;overflow:hidden;border-radius:var(--r-l);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(47,107,255,.22),rgba(34,211,197,.12) 55%,rgba(168,85,247,.16));
  border:1px solid var(--line);
}
.news-banner::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;pointer-events:none;
  background:radial-gradient(circle,rgba(34,211,197,.28),transparent 70%);
}
.news-banner h2{font-size:28px;max-width:18em;}
.news-banner p{color:var(--text-2);font-size:15px;margin-top:12px;max-width:38em;line-height:1.8;}
.news-banner .nb-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ================= FAQ ================= */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--glass);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(34,211,197,.4);}
.faq-item.is-open{border-color:rgba(34,211,197,.55);background:rgba(34,211,197,.05);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 22px;text-align:left;
  font-size:16px;font-weight:700;color:#fff;line-height:1.5;
}
.faq-q i{color:var(--brand-2);font-size:13px;transition:transform .25s var(--ease);flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:820px;}

/* ================= CTA 表单 ================= */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 320px at 12% 0%,rgba(47,107,255,.28),transparent 65%),
    radial-gradient(720px 300px at 88% 100%,rgba(34,211,197,.2),transparent 70%),
    var(--bg-2);
  padding:88px 0;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:64px;align-items:center;}
.cta-band h2{font-size:32px;}
.cta-band .cta-lead{color:var(--text-2);font-size:16px;line-height:1.85;margin-top:16px;max-width:36em;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-2);}
.cta-points i{color:var(--brand-2);margin-top:5px;font-size:13px;}

.form-card{
  padding:30px;border-radius:var(--r-l);background:var(--glass);
  border:1px solid var(--line);backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-card);
}
.form-card h3{font-size:20px;margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-s);
  background:rgba(7,15,27,.6);border:1px solid var(--line);color:var(--text);
  font-size:15px;outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{resize:vertical;min-height:78px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#6E82A0;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,211,197,.14);}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB3CE 50%),linear-gradient(135deg,#9FB3CE 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-submit{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:var(--text-2);margin-top:14px;line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-s);
  font-size:14px;color:#B9F5EE;background:rgba(34,211,197,.12);border:1px solid rgba(34,211,197,.4);
}
.form-msg.show{display:block;}

/* ================= 页脚 ================= */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.foot-brand .brand-mark{width:30px;height:30px;border-radius:9px;}
.foot-brand .brand-name{color:#fff;font-size:17px;font-weight:800;}
.foot-text{color:var(--text-2);font-size:14px;line-height:1.85;max-width:30em;}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-links{display:grid;gap:11px;}
.foot-links a{color:var(--text-2);font-size:14px;}
.foot-links a:hover{color:var(--brand-2);}
.foot-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
}
.to-top{
  padding:9px 18px;border-radius:var(--r-pill);font-size:13px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--line);
  transition:all .18s var(--ease);
}
.to-top:hover{color:#fff;border-color:var(--brand-2);background:rgba(34,211,197,.1);}
.to-top:active{transform:translateY(1px);}

/* ================= 动效 ================= */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.in{opacity:1;transform:none;}

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

/* ================= 响应式 ================= */
@media (max-width:1023px){
  :root{--nav-h:64px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:72px 0;}
  .section.tight{padding:52px 0;}
  .section{padding:72px 0;}
  .nav-menu{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;height:auto;margin:0;
    background:#fff;border-bottom:1px solid var(--nav-line);box-shadow:0 14px 30px rgba(16,32,64,.12);
    padding:8px 16px 16px;transform:translateY(-118%);opacity:0;pointer-events:none;
    transition:transform .28s var(--ease),opacity .2s var(--ease);
  }
  .nav-menu.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-menu a{height:auto;padding:13px 12px;border-radius:10px;font-size:16px;}
  .nav-menu a.is-active::after{display:none;}
  .nav-menu a.is-active{background:var(--nav-hover);}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-inner{gap:12px;}
  .nav-right{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .page-hero h1{font-size:34px;max-width:none;}
  .hero-sub{font-size:16px;}
  .masonry{column-count:2;}
  .rhythm-grid{grid-template-columns:1fr;gap:40px;}
  .cta-grid{grid-template-columns:1fr;gap:40px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .news-banner{padding:36px;}
  .cta-band{padding:72px 0;}
}

@media (max-width:639px){
  body{font-size:15px;}
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .brand-name{font-size:15px;}
  .nav-cta{padding:0 16px;font-size:13px;}
  .nav-toggle{width:38px;height:38px;}
  .page-hero{padding-bottom:56px;}
  .page-hero h1{font-size:28px;line-height:1.28;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .stat-bar{gap:0;padding:14px 0;}
  .stat-bar .stat{padding:10px 0 10px 18px;flex:1 1 50%;}
  .stat-bar .stat:nth-child(3){border-left:0;padding-left:0;}
  .sec-head h2{font-size:24px;}
  .masonry{column-count:1;}
  .news-banner{padding:28px 22px;border-radius:var(--r-m);}
  .news-banner h2{font-size:22px;}
  .news-banner .btn{width:100%;}
  .cta-band h2{font-size:24px;}
  .form-card{padding:22px;}
  .faq-q{font-size:15px;padding:15px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .mini-facts{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --bg:#070F1B;
  --bg-2:#0B1A2E;
  --brand:#2F6BFF;
  --brand-2:#22D3C5;
  --glow-link:#A855F7;
  --warn:#FF8A3D;
  --text:#EAF2FF;
  --text-2:#9FB3CE;
  --title:#FFFFFF;
  --line:rgba(120,180,255,.16);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --nav-bg:#FFFFFF;
  --nav-line:#E8EDF5;
  --nav-text:#16233A;
  --nav-text-2:#5A6B85;
  --nav-hover:#F2F6FF;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-card:0 12px 32px rgba(3,12,28,.45);
  --shadow-nav:0 2px 10px rgba(16,32,64,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:800;letter-spacing:-.01em;line-height:1.28}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
::selection{background:rgba(47,107,255,.42);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(96deg,#2F6BFF,#22D3C5);
  color:#fff;box-shadow:0 0 24px rgba(47,107,255,.45);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 36px rgba(47,107,255,.6);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.22);color:var(--text);backdrop-filter:blur(12px)}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(47,107,255,.12);color:#fff}
.btn-ghost:active{background:rgba(47,107,255,.2)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--nav-bg);
  border-bottom:1px solid var(--nav-line);box-shadow:var(--shadow-nav);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,#2F6BFF,#22D3C5);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(47,107,255,.35);
}
.brand-mark span{width:12px;height:12px;border:2px solid #fff;border-radius:4px;transform:rotate(45deg);display:block}
.brand-name{font-size:17px;font-weight:800;color:var(--nav-text);letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--nav-text-2);
}
.nav-menu a:hover{color:var(--nav-text);background:var(--nav-hover)}
.nav-menu a.is-active{color:var(--brand);font-weight:700}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2F6BFF,#22D3C5);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;min-width:224px;padding:0 14px;
  border:1px solid var(--nav-line);border-radius:var(--r-pill);background:#F2F6FF;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search i{color:#8FA2BC;font-size:14px}
.nav-search input{flex:1;width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--nav-text)}
.nav-search input::placeholder{color:#9AA9BF}
.nav-search:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,211,197,.16)}
.btn-nav{
  display:inline-flex;align-items:center;height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-nav:hover{background:#1F59E6;color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(47,107,255,.28)}
.btn-nav:active{transform:translateY(0)}
.nav-glowline{position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,#2F6BFF,#22D3C5,transparent)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--nav-line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--nav-text);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle:hover{border-color:var(--brand-2)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(7,15,27,.62);
  opacity:0;pointer-events:none;transition:opacity .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:90;width:284px;max-width:86vw;
  background:#fff;padding:20px 18px 28px;overflow-y:auto;
  transform:translateX(-102%);transition:transform .28s var(--ease);
  box-shadow:12px 0 40px rgba(6,16,35,.28);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding:4px 6px 20px;border-bottom:1px solid var(--nav-line)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0}
.drawer-nav a{padding:13px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--nav-text)}
.drawer-nav a:hover{background:var(--nav-hover);color:var(--brand)}
.drawer-nav a.is-active{background:var(--nav-hover);color:var(--brand);font-weight:700}
.drawer-cta{margin-top:12px;width:100%}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.38;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,15,27,.55),rgba(7,15,27,.94)),
    radial-gradient(680px 320px at 80% 14%,rgba(47,107,255,.34),transparent 70%),
    radial-gradient(520px 280px at 6% 96%,rgba(34,211,197,.18),transparent 72%);
}
.page-hero .grid-container{position:relative;z-index:2;padding-top:56px;padding-bottom:52px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{opacity:.45}
.crumb .now{color:#fff}
.page-hero h1{font-size:clamp(28px,4.2vw,44px);margin:18px 0 14px;max-width:900px}
.grad-text{background:linear-gradient(96deg,#2F6BFF,#22D3C5 58%,#A855F7);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:700px;margin:0}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.hero-stats .stat{flex:1 1 200px;padding:0 26px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.hero-stats b{display:block;font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--text-2)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-2);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,#2F6BFF,#22D3C5)}
.sec-title{font-size:clamp(23px,2.6vw,32px)}
.sec-desc{color:var(--text-2);max-width:740px;margin:14px 0 0;font-size:15px}
.section-head{margin-bottom:36px}
.section-head.with-link{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{font-size:14px;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link:hover{color:#fff;gap:10px}

/* ---------- 搜索带 ---------- */
.search-band{background:var(--bg-2);border-bottom:1px solid var(--line);padding:44px 0}
.search-box{
  display:flex;align-items:center;gap:12px;max-width:780px;padding:8px 8px 8px 20px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);backdrop-filter:blur(16px) saturate(140%);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,211,197,.14)}
.search-box > i{color:var(--text-2)}
.search-box input{flex:1;height:44px;border:0;background:transparent;outline:none;font-size:15px;color:var(--text)}
.search-box input::placeholder{color:#7C90AC}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:13px;color:var(--text-2);
  transition:all .18s var(--ease);
}
.chip:hover{color:#fff;border-color:var(--brand-2);background:rgba(34,211,197,.1)}
.search-hint{margin:14px 0 0;font-size:13px;color:#7C90AC}

/* ---------- 两栏 FAQ ---------- */
.two-col{margin-left:-20px;margin-right:-20px}
.two-col > .cell{padding-left:20px;padding-right:20px}
.col-title{font-size:20px;margin-bottom:6px}
.col-sub{font-size:14px;color:var(--text-2);margin:0 0 20px}
.acc{
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);overflow:hidden;
}
.acc-item + .acc-item{border-top:1px solid var(--line)}
.acc-item{position:relative;transition:background-color .18s var(--ease)}
.acc-item.is-open{background:rgba(47,107,255,.07)}
.acc-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,#2F6BFF,#22D3C5);
}
.acc-q{
  width:100%;display:flex;align-items:center;gap:14px;min-height:56px;
  padding:16px 22px;border:0;background:transparent;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:#fff;transition:background-color .18s var(--ease),color .18s var(--ease);
}
.acc-q:hover{background:rgba(255,255,255,.04)}
.acc-q .no{font-size:13px;font-weight:700;color:var(--brand-2);font-variant-numeric:tabular-nums;flex-shrink:0}
.acc-q .txt{flex:1}
.acc-q .ico{position:relative;width:22px;height:22px;flex-shrink:0}
.acc-q .ico::before,.acc-q .ico::after{content:"";position:absolute;background:var(--brand-2);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.acc-q .ico::before{left:3px;right:3px;top:10px;height:2px}
.acc-q .ico::after{top:3px;bottom:3px;left:10px;width:2px}
.acc-item.is-open .acc-q .ico::after{transform:scaleY(0);opacity:0}
.acc-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.acc-a p{
  margin:0;padding:0 22px 20px 58px;max-width:820px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.acc-more{margin-top:20px;font-size:14px;color:var(--text-2)}

/* 侧栏图文列表 */
.side-cards{display:grid;gap:16px}
.side-card{
  display:grid;grid-template-columns:118px 1fr;gap:16px;padding:12px;
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.side-card:hover{transform:translateY(-4px);border-color:var(--brand-2);box-shadow:var(--shadow-card);background:rgba(255,255,255,.07)}
.side-card .thumb{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--bg-2)}
.side-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.side-card:hover .thumb img{transform:scale(1.03)}
.side-card h3{font-size:16px;line-height:1.5;margin:9px 0 6px}
.side-card h3 a:hover{color:var(--brand-2)}
.side-card p{font-size:13px;line-height:1.7;color:var(--text-2);margin:0 0 8px}
.side-card .meta{font-size:12px;color:#7C90AC;display:flex;align-items:center;gap:10px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:#9CC2FF;
  background:rgba(47,107,255,.16);border:1px solid rgba(47,107,255,.35);
}
.badge-teal{color:#8AF3E7;background:rgba(34,211,197,.14);border-color:rgba(34,211,197,.34)}

/* ---------- 运行状态 ---------- */
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.status-card{
  position:relative;overflow:hidden;padding:26px 22px;border-radius:var(--r-m);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.status-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,197,.75),transparent);
}
.status-card:hover{transform:translateY(-4px);border-color:var(--brand-2);box-shadow:var(--shadow-card)}
.status-card .dot{
  display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%;
  background:var(--brand-2);box-shadow:0 0 0 4px rgba(34,211,197,.16);
}
.status-card .k{font-size:13px;color:var(--text-2);display:flex;align-items:center}
.status-card b{display:block;margin:12px 0 8px;font-size:27px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.status-card p{margin:0;font-size:13px;line-height:1.7;color:var(--text-2)}

/* ---------- 分类索引 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
  display:flex;flex-direction:column;height:100%;padding:26px 22px;border-radius:var(--r-m);
  border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--brand-2);box-shadow:var(--shadow-card);background:rgba(255,255,255,.07)}
.cat-card .num{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-2);font-variant-numeric:tabular-nums}
.cat-card h3{font-size:19px;margin:12px 0 8px}
.cat-card p{flex:1;margin:0 0 16px;font-size:14px;line-height:1.7;color:var(--text-2)}
.cat-card .more{font-size:13px;font-weight:600;color:var(--brand-2)}
.cat-card.is-current{border-color:rgba(34,211,197,.5);background:rgba(34,211,197,.08)}
.cat-card.is-current .more{color:#8AF3E7}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(720px 320px at 18% 0%,rgba(47,107,255,.3),transparent 70%),
    radial-gradient(620px 300px at 88% 100%,rgba(34,211,197,.2),transparent 72%),
    var(--bg-2);
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:80px 0}
.cta-inner h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.cta-inner .lead{font-size:15px;line-height:1.85;color:var(--text-2);max-width:520px}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2)}
.cta-points i{color:var(--brand-2);margin-top:5px;font-size:13px}
.form-card{
  padding:28px;border-radius:var(--r-l);border:1px solid var(--line);
  background:rgba(255,255,255,.06);backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:8px;font-size:13px;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;color:var(--text);
  background:rgba(7,15,27,.6);border:1px solid var(--line);border-radius:var(--r-s);
  outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:#7C90AC}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,211,197,.15);
}
.field select option{background:#0B1A2E;color:#EAF2FF}
.field textarea{min-height:88px;resize:vertical}
.form-note{margin:12px 0 0;font-size:12px;line-height:1.7;color:#7C90AC}
.form-msg{margin:12px 0 0;font-size:13px;color:var(--brand-2);display:none}
.form-msg.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#050B14;border-top:1px solid var(--line);padding-top:56px}
.foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-name{color:#fff}
.foot-text{margin:0;max-width:340px;font-size:14px;line-height:1.85;color:var(--text-2)}
.foot-title{margin-bottom:14px;font-size:14px;font-weight:700;color:#fff}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--text-2)}
.foot-links a:hover{color:var(--brand-2)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:#7C90AC;
}
.to-top{
  padding:8px 16px;font-size:13px;color:var(--text-2);cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:all .18s var(--ease);
}
.to-top:hover{color:#fff;border-color:var(--brand-2);background:rgba(34,211,197,.12)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.cat-card,.side-card,.status-card{transition:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{height:64px}
  .nav-menu{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .status-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:34px;padding:60px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-stats .stat{padding:0 18px}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px}
  body{font-size:15px}
  .brand-name{font-size:15px}
  .page-hero .grid-container{padding-top:38px;padding-bottom:38px}
  .hero-stats{flex-direction:column;gap:16px}
  .hero-stats .stat{padding:0;border-left:0;border-top:1px solid var(--line);padding-top:14px}
  .hero-stats .stat:first-child{border-top:0;padding-top:0}
  .two-col{margin-left:0;margin-right:0}
  .two-col > .cell{padding-left:0;padding-right:0}
  .side-card{grid-template-columns:1fr}
  .side-card .thumb{aspect-ratio:16/9}
  .acc-q{padding:14px 16px;font-size:15px}
  .acc-a p{padding:0 16px 18px 16px}
  .status-grid,.cat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
}