/* roulang page: index */
:root{
  --c-bg-0:#05081A;
  --c-bg-1:#0B1030;
  --c-surface:#141B42;
  --c-surface-2:#1C2455;
  --c-line:rgba(150,170,255,.14);
  --c-primary:#6E7BFF;
  --c-primary-soft:rgba(110,123,255,.16);
  --c-accent:#38E1C8;
  --c-promo:#FFB43D;
  --c-text:#EAEEFF;
  --c-text-2:#A9B4DC;
  --c-text-3:#6E7AA6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:999px;
  --sh-card:0 18px 40px -18px rgba(5,8,26,.85);
  --sh-card-hover:0 26px 52px -20px rgba(5,8,26,.95);
  --sp-section:96px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.7;
  color:var(--c-text);
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(1200px 620px at 12% -12%, rgba(110,123,255,.20), transparent 62%),
    radial-gradient(900px 520px at 92% 2%, rgba(56,225,200,.10), transparent 64%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;transition:color .18s ease;}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.28;color:var(--c-text);letter-spacing:.2px;}
h1{font-size:clamp(30px,4.4vw,52px);}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:20px;line-height:1.4;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;box-shadow:0 0 0 4px rgba(110,123,255,.22);}
::selection{background:rgba(110,123,255,.35);color:#fff;}

/* 容器与栅格 */
.site-container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media screen and (min-width:1440px){
  .site-container{max-width:1280px;}
}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x.grid-padding-y>.cell{padding-top:12px;padding-bottom:12px;}
section{position:relative;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section--panel{background:var(--c-bg-1);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-head p{margin:8px 0 0;color:var(--c-text-2);max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--c-accent);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow i{font-size:12px;}

/* 顶部导航面板 */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  background:rgba(5,8,26,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--c-bg-1);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:12px 16px;
  box-shadow:var(--sh-card);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,#6E7BFF 0%,#38E1C8 100%);
  display:flex;align-items:center;justify-content:center;
  color:#05081A;font-size:17px;font-weight:700;
  box-shadow:0 10px 24px -12px rgba(110,123,255,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.brand-text span{font-size:11.5px;color:var(--c-text-3);letter-spacing:.16em;}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 15px;border-radius:12px;
  border:1px solid transparent;
  color:var(--c-text-2);font-size:14px;font-weight:500;
  white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-card i{font-size:14px;color:var(--c-text-3);transition:color .2s ease;}
.nav-card:hover,.nav-card:focus-visible{background:var(--c-surface-2);border-color:rgba(110,123,255,.36);color:var(--c-text);transform:translateY(-1px);}
.nav-card:hover i{color:var(--c-primary);}
.nav-card.is-active{background:var(--c-primary-soft);border-color:rgba(110,123,255,.5);color:var(--c-text);}
.nav-card.is-active i{color:var(--c-primary);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;margin-left:auto;
  width:48px;height:48px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text);font-size:18px;
}
.nav-drawer{
  display:none;
  margin-top:12px;padding:16px;
  background:var(--c-bg-1);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
}
.nav-drawer.is-open{display:block;}
.nav-drawer .drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.nav-drawer .nav-card{height:54px;justify-content:flex-start;background:var(--c-surface);border-color:var(--c-line);}
.nav-drawer .drawer-cta{margin-top:12px;display:block;}
.nav-drawer .drawer-cta .btn{width:100%;justify-content:center;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#FFFFFF;box-shadow:0 14px 30px -16px rgba(110,123,255,.95);}
.btn-primary:hover,.btn-primary:focus-visible{background:#7F8BFF;color:#FFFFFF;transform:translateY(-1px);box-shadow:0 18px 34px -16px rgba(110,123,255,1);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(110,123,255,.55);color:var(--c-text);}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-text);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-promo{background:var(--c-promo);color:#241802;box-shadow:0 14px 30px -18px rgba(255,180,61,.9);}
.btn-promo:hover,.btn-promo:focus-visible{background:#FFC25F;color:#241802;transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--c-text-2);}
.btn-text:hover{color:var(--c-primary);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;
}
.badge-recommend{background:var(--c-primary-soft);color:#B9C0FF;border-color:rgba(110,123,255,.45);}
.badge-promo{background:rgba(255,180,61,.16);color:var(--c-promo);border-color:rgba(255,180,61,.45);}
.badge-accent{background:rgba(56,225,200,.14);color:var(--c-accent);border-color:rgba(56,225,200,.36);}
.badge-muted{background:rgba(150,170,255,.08);color:var(--c-text-2);border-color:var(--c-line);}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 14px;border-radius:var(--r-badge);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:13.5px;color:var(--c-text-2);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-text);background:var(--c-surface-2);}

/* 卡片 */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(110,123,255,.36);box-shadow:var(--sh-card-hover);}
.card h3{margin-bottom:10px;}
.card p{color:var(--c-text-2);margin-bottom:0;}
.card-icon{
  width:46px;height:46px;border-radius:13px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:18px;
}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 92px;
  background-image:
    linear-gradient(180deg,rgba(5,8,26,.70) 0%,rgba(5,8,26,.86) 55%,rgba(5,8,26,.97) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 12% 26%,rgba(234,238,255,.85),transparent 60%),
    radial-gradient(2px 2px at 34% 68%,rgba(56,225,200,.75),transparent 60%),
    radial-gradient(1.6px 1.6px at 58% 18%,rgba(234,238,255,.7),transparent 60%),
    radial-gradient(2px 2px at 78% 52%,rgba(110,123,255,.85),transparent 60%),
    radial-gradient(1.6px 1.6px at 90% 24%,rgba(255,180,61,.7),transparent 60%);
  opacity:.75;
  animation:twinkle 7s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:.55}50%{opacity:.9}}
@media (prefers-reduced-motion:reduce){
  .hero::after{animation:none;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;}
}
.hero-inner{position:relative;z-index:2;}
.hero h1{margin-bottom:18px;text-shadow:0 12px 34px rgba(5,8,26,.8);}
.hero .hero-sub{
  font-size:clamp(17px,2vw,20px);color:#C8D0F5;font-weight:500;
  margin-bottom:16px;max-width:600px;
}
.hero .hero-desc{color:var(--c-text-2);max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}

.entry-card{
  position:relative;
  border-radius:18px;overflow:hidden;
  border:1px solid rgba(110,123,255,.34);
  box-shadow:0 30px 60px -28px rgba(5,8,26,.95);
  background:var(--c-surface);
}
.entry-card-media{
  position:relative;aspect-ratio:16/7;
  background-image:linear-gradient(180deg,rgba(11,16,48,.32),rgba(5,8,26,.92)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:20px 22px;display:flex;flex-direction:column;justify-content:flex-end;
}
.entry-card-media strong{font-size:18px;}
.entry-card-media span{font-size:12.5px;color:var(--c-text-2);letter-spacing:.1em;}
.entry-card-body{padding:22px;background:var(--c-bg-1);}
.entry-rows{display:flex;flex-direction:column;gap:12px;margin-bottom:20px;}
.entry-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:12px;
  background:var(--c-surface);border:1px solid var(--c-line);font-size:14px;
}
.entry-row span:first-child{color:var(--c-text-2);}
.entry-row span:last-child{color:var(--c-accent);font-weight:600;}
.entry-actions{display:flex;gap:10px;}
.entry-actions .btn{flex:1;}

/* 数据条 */
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-card{
  background:var(--c-bg-1);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;text-align:left;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-2px);border-color:rgba(56,225,200,.36);}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--c-text);letter-spacing:.5px;}
.stat-num em{font-style:normal;font-size:15px;color:var(--c-accent);margin-left:6px;font-weight:600;}
.stat-card p{margin:8px 0 0;color:var(--c-text-2);font-size:14.5px;}

/* 阶梯 */
.tier-stack{display:flex;gap:20px;align-items:flex-start;}
.tier-card{
  flex:1 1 0;position:relative;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tier-card:hover{transform:translateY(-3px);border-color:rgba(110,123,255,.42);box-shadow:var(--sh-card-hover);}
.tier-stack>.tier-card:nth-child(1){margin-top:72px;}
.tier-stack>.tier-card:nth-child(2){margin-top:48px;}
.tier-stack>.tier-card:nth-child(3){margin-top:24px;}
.tier-stack>.tier-card:nth-child(4){margin-top:0;}
.tier-step{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-text-3);letter-spacing:.16em;margin-bottom:12px;
}
.tier-card h3{font-size:19px;margin-bottom:6px;}
.tier-price{font-size:13.5px;color:var(--c-accent);font-weight:600;margin-bottom:16px;display:block;}
.tier-list{display:flex;flex-direction:column;gap:11px;}
.tier-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.6;}
.tier-list i{color:var(--c-accent);font-size:13px;margin-top:5px;}
.tier-card .badge{position:absolute;top:-13px;right:18px;}

/* 套餐对比 */
.plan-scroll{padding-bottom:6px;}
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch;}
.plan-col{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.plan-col:hover{transform:translateY(-3px);border-color:rgba(110,123,255,.4);}
.plan-col.is-featured{
  border-color:rgba(110,123,255,.62);
  background:linear-gradient(180deg,rgba(110,123,255,.14),rgba(20,27,66,.98) 42%);
  box-shadow:0 30px 60px -26px rgba(110,123,255,.55);
}
.plan-col .badge{position:absolute;top:-13px;left:24px;}
.plan-name{font-size:19px;font-weight:700;margin-bottom:4px;}
.plan-desc{font-size:13.5px;color:var(--c-text-3);margin-bottom:20px;}
.plan-rows{display:flex;flex-direction:column;gap:0;margin-bottom:24px;}
.plan-row{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 0;border-bottom:1px solid var(--c-line);
  font-size:14.5px;color:var(--c-text-2);
}
.plan-row:last-child{border-bottom:0;}
.plan-row i{font-size:13px;margin-top:5px;}
.plan-row i.ok{color:var(--c-accent);}
.plan-row i.no{color:var(--c-text-3);}
.plan-col .btn{margin-top:auto;width:100%;}
.scroll-hint{display:none;margin-top:12px;font-size:13px;color:var(--c-text-3);text-align:center;}

/* 限时入口 */
.promo-banner{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  background:linear-gradient(115deg,rgba(28,36,85,.96),rgba(11,16,48,.98) 62%);
  border:1px solid rgba(255,180,61,.3);
  border-radius:18px;padding:32px 34px;
  box-shadow:0 30px 60px -28px rgba(5,8,26,.95);
}
.promo-banner::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,61,.22),transparent 68%);
}
.promo-copy{flex:1 1 360px;position:relative;z-index:1;}
.promo-copy h3{font-size:clamp(20px,2.3vw,26px);margin:10px 0 8px;}
.promo-copy p{color:var(--c-text-2);margin:0;}
.countdown{display:flex;gap:12px;position:relative;z-index:1;}
.count-box{
  min-width:66px;padding:10px 6px;text-align:center;
  background:rgba(5,8,26,.6);border:1px solid var(--c-line);border-radius:12px;
}
.count-box b{display:block;font-size:24px;font-weight:700;letter-spacing:1px;color:var(--c-promo);}
.count-box span{font-size:12px;color:var(--c-text-3);}
.promo-action{position:relative;z-index:1;}

/* 资讯卡 */
.news-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(110,123,255,.4);box-shadow:var(--sh-card-hover);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:18px;margin:0;line-height:1.45;}
.news-body h3 a:hover{color:var(--c-primary);}
.news-summary{color:var(--c-text-2);font-size:14.5px;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--c-text-3);}
.news-meta a{color:var(--c-primary);font-weight:600;}
.empty-card{
  width:100%;text-align:center;padding:48px 24px;
  border:1px dashed rgba(150,170,255,.4);border-radius:var(--r-card);
  background:rgba(20,27,66,.4);color:var(--c-text-2);
}
.empty-card i{font-size:26px;color:var(--c-text-3);display:block;margin-bottom:14px;}
.empty-card p{margin:0 0 18px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:0 22px;box-shadow:var(--sh-card);transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(110,123,255,.45);background:var(--c-surface-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--c-primary);flex:0 0 auto;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"\f068";transform:rotate(180deg);}
.faq-answer{
  padding:0 0 22px 18px;border-left:3px solid var(--c-primary);
  color:var(--c-text-2);font-size:15px;line-height:1.8;
}
.faq-answer p{margin:0;}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;align-items:start;}
.contact-aside{padding:28px;background:var(--c-bg-1);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);}
.contact-aside h3{margin-bottom:16px;}
.point-list{display:flex;flex-direction:column;gap:16px;margin-top:8px;}
.point-list li{display:flex;gap:12px;font-size:14.5px;color:var(--c-text-2);line-height:1.7;}
.point-list i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.contact-form{
  padding:28px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--c-text-2);margin-bottom:8px;font-weight:500;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;padding:12px 14px;min-height:46px;
  background:rgba(5,8,26,.6);color:var(--c-text);
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  appearance:none;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--c-text-2) 50%),linear-gradient(135deg,var(--c-text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(110,123,255,.4);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:rgba(5,8,26,.85);
  box-shadow:0 0 0 4px rgba(110,123,255,.18);
}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--c-text-2);margin-bottom:20px;line-height:1.6;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto;}
.form-note{font-size:13px;color:var(--c-text-3);margin:14px 0 0;}
.form-feedback{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(56,225,200,.12);border:1px solid rgba(56,225,200,.4);
  color:#B9F5EC;font-size:14px;
}
.form-feedback.is-visible{display:block;}

/* 页脚 */
.site-footer{background:var(--c-bg-1);border-top:1px solid var(--c-line);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:16px;}
.footer-brand strong{font-size:16.5px;}
.site-footer p{color:var(--c-text-2);font-size:14px;}
.site-footer h4{font-size:15px;margin-bottom:16px;color:var(--c-text);letter-spacing:.3px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:var(--c-text-2);font-size:14px;}
.footer-links a:hover{color:var(--c-primary);}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--c-text-2);}
.footer-contact span{display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--c-primary);font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}

/* 响应式 */
@media screen and (max-width:1200px){
  .nav-card{padding:0 12px;font-size:13.5px;}
  .brand-text span{display:none;}
}
@media screen and (max-width:1023px){
  :root{--sp-section:72px;}
  .nav-cards,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero{padding:56px 0 68px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plan-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media screen and (max-width:767px){
  :root{--sp-section:60px;}
  body{font-size:16px;}
  .tier-stack{flex-direction:column;gap:16px;}
  .tier-stack>.tier-card{margin-top:0 !important;}
  .plan-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .plan-grid{display:flex;min-width:780px;gap:16px;}
  .plan-col{flex:1 1 0;}
  .scroll-hint{display:block;}
  .promo-banner{padding:26px 22px;gap:20px;}
  .promo-action,.promo-action .btn{width:100%;}
  .countdown{width:100%;justify-content:space-between;gap:8px;}
  .count-box{flex:1;min-width:0;}
  .entry-actions{flex-direction:column;}
  .section-head{margin-bottom:26px;}
}
@media screen and (max-width:519px){
  .stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .card,.contact-form,.contact-aside{padding:20px;}
  .brand-text strong{font-size:15px;}
}

/* roulang page: article */
:root{
  --c-bg-0:#05081A;
  --c-bg-1:#0B1030;
  --c-surface:#141B42;
  --c-surface-2:#1C2455;
  --c-line:rgba(150,170,255,.14);
  --c-line-strong:rgba(150,170,255,.30);
  --c-primary:#6E7BFF;
  --c-primary-soft:rgba(110,123,255,.16);
  --c-accent:#38E1C8;
  --c-promo:#FFB43D;
  --c-text:#EAEEFF;
  --c-text-2:#A9B4DC;
  --c-text-3:#6E7AA6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 18px 40px -18px rgba(5,8,26,.85);
  --shadow-hover:0 24px 52px -20px rgba(5,8,26,.95);
  --gap:24px;
  --section-y:96px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(110,123,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,225,200,.10), transparent 60%),
    var(--c-bg-0);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%, rgba(234,238,255,.42), transparent 60%),
    radial-gradient(1.2px 1.2px at 72% 14%, rgba(234,238,255,.32), transparent 60%),
    radial-gradient(1.6px 1.6px at 44% 68%, rgba(234,238,255,.24), transparent 60%),
    radial-gradient(1.2px 1.2px at 88% 76%, rgba(234,238,255,.26), transparent 60%);
  opacity:.55;
  z-index:0;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-text);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{font-weight:700;line-height:1.32;margin:0 0 14px;color:var(--c-text)}
h1{font-size:clamp(30px,4.4vw,52px)}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:21px;font-weight:600}
p{margin:0 0 16px;color:var(--c-text-2)}
ul,ol{margin:0 0 16px;padding-left:1.2em}
li{color:var(--c-text-2);margin-bottom:8px}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}

/* ---------- 容器与栅格 ---------- */
.site-container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.site-container{max-width:1280px}}
.section{padding:var(--section-y) 0;position:relative;z-index:1}
.section.tight{padding-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{margin-bottom:6px}
.section-head p{margin:0;color:var(--c-text-2);max-width:640px}
.more-link{color:var(--c-primary);font-weight:600;font-size:15px;white-space:nowrap}
.more-link i{margin-left:6px;font-size:12px}

/* ---------- 导航面板 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:rgba(5,8,26,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:linear-gradient(180deg, rgba(28,36,85,.85), rgba(20,27,66,.92));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:12px 16px;
  box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),#8E7BFF);
  color:#fff;font-weight:700;font-size:18px;box-shadow:0 10px 24px -12px rgba(110,123,255,.9);
}
.brand-text{font-weight:700;font-size:16px;letter-spacing:.4px;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  height:48px;padding:0 14px;border-radius:12px;
  border:1px solid transparent;color:var(--c-text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-card i{color:var(--c-accent);font-size:14px}
.nav-card:hover{background:var(--c-surface-2);border-color:var(--c-line-strong);color:var(--c-text);transform:translateY(-1px)}
.nav-card.is-active{background:var(--c-primary-soft);border-color:rgba(110,123,255,.45);color:var(--c-primary)}
.nav-card.is-active i{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--c-line-strong);background:rgba(20,27,66,.9);color:var(--c-text);
  cursor:pointer;font-size:16px;
}
.nav-toggle:hover{background:var(--c-surface-2)}
.nav-drawer{display:none;margin-top:12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:14px;box-shadow:var(--shadow-card)}
.nav-drawer.is-open{display:block}
.nav-drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.nav-drawer .nav-card{justify-content:center;width:100%}
.nav-drawer .btn{width:100%;margin-top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .16s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#0A0E24;box-shadow:0 14px 30px -16px rgba(110,123,255,.95)}
.btn-primary:hover{background:#7F8BFF;color:#0A0E24;transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:rgba(110,123,255,.55);color:var(--c-text)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-text);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-text-2);padding:0 8px}
.btn-ghost:hover{color:var(--c-primary)}
.btn-promo{background:var(--c-promo);color:#241503}
.btn-promo:hover{background:#FFC260;color:#241503;transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;border:1px solid transparent;
}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary);border-color:rgba(110,123,255,.35)}
.badge-accent{background:rgba(56,225,200,.14);color:var(--c-accent);border-color:rgba(56,225,200,.30)}
.badge-promo{background:rgba(255,180,61,.16);color:var(--c-promo);border-color:rgba(255,180,61,.35)}
.badge-soft{background:rgba(150,170,255,.08);color:var(--c-text-2);border-color:var(--c-line)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-text-2);
  font-size:13.5px;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.tag:hover{background:var(--c-surface-2);color:var(--c-text);border-color:var(--c-line-strong)}

/* ---------- 文章头部 ---------- */
.page-main{position:relative;z-index:1}
.article-hero{
  padding:56px 0 32px;
  background:
    linear-gradient(180deg, rgba(5,8,26,.60), rgba(5,8,26,.94)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--c-text-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-text-3);font-size:11px}
.breadcrumb .current{color:var(--c-text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{max-width:900px;margin-bottom:18px}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13.5px;color:var(--c-text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--c-primary);font-size:13px}

/* ---------- 文章布局 ---------- */
.article-layout{align-items:flex-start}
.article-main{min-width:0}
.article-cover{margin:0 0 32px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-card)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-card{
  background:linear-gradient(180deg, rgba(20,27,66,.92), rgba(11,16,48,.92));
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-card);
}
.cms-article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--c-text-2);word-break:break-word}
.cms-article-body p{margin:0 0 1.2em;color:var(--c-text-2)}
.cms-article-body h2{
  font-size:clamp(20px,2.4vw,26px);color:var(--c-text);
  border-left:4px solid var(--c-primary);padding-left:14px;margin:40px 0 16px;
}
.cms-article-body h3{font-size:19px;color:var(--c-text);margin:28px 0 12px}
.cms-article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.cms-article-body strong{color:var(--c-text);font-weight:600}
.cms-article-body img{border-radius:var(--r-img);margin:22px auto}
.cms-article-body ul,.cms-article-body ol{padding-left:1.2em}
.cms-article-body li{margin-bottom:10px}
.cms-article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-text);
}
.cms-article-body blockquote p:last-child{margin-bottom:0}
.cms-article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.cms-article-body th,.cms-article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;color:var(--c-text-2)}
.cms-article-body th{background:var(--c-surface);color:var(--c-text)}
.cms-article-body figure{margin:22px 0}
.cms-article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.cms-article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}
.empty-state{
  border:1px dashed rgba(150,170,255,.35);border-radius:var(--r-card);
  padding:44px 24px;text-align:center;background:rgba(20,27,66,.5);
}
.empty-state i{font-size:26px;color:var(--c-text-3);display:block;margin-bottom:14px}
.empty-state p{color:var(--c-text-2);margin-bottom:18px}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0;padding-top:26px;border-top:1px solid var(--c-line)}
.article-tags .label{font-size:13.5px;color:var(--c-text-3);align-self:center;margin-right:4px}

/* 延伸阅读双卡 */
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}
.next-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.next-card:hover{transform:translateY(-2px);border-color:var(--c-line-strong);box-shadow:var(--shadow-hover);color:var(--c-text)}
.next-card .kicker{font-size:12.5px;color:var(--c-accent);font-weight:600;letter-spacing:.4px}
.next-card h3{font-size:17px;margin:10px 0 8px}
.next-card p{font-size:14px;margin:0;color:var(--c-text-3)}

/* ---------- 侧栏 ---------- */
.article-side{display:none}
@media (min-width:1024px){.article-side{display:block}}
.side-sticky{position:sticky;top:104px;display:grid;gap:18px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-links{display:grid;gap:8px}
.side-links a{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--c-text-2);padding:8px 10px;border-radius:10px;transition:background .18s ease,color .18s ease}
.side-links a:hover{background:var(--c-surface-2);color:var(--c-text)}
.side-links i{color:var(--c-primary);font-size:12px}
.side-facts{display:grid;gap:12px;font-size:14px;color:var(--c-text-2)}
.side-facts span{display:flex;align-items:center;gap:9px}
.side-facts i{color:var(--c-accent)}
.side-card.cta-side{background:linear-gradient(160deg, rgba(110,123,255,.20), rgba(20,27,66,.96));border-color:rgba(110,123,255,.35)}
.side-card.cta-side p{font-size:14px}

/* ---------- 通用卡片 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--c-line-strong);box-shadow:var(--shadow-hover)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{margin:0;font-size:18px}
.card-body h3 a:hover{color:var(--c-primary)}
.card-summary{font-size:14.5px;color:var(--c-text-2);margin:0}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-text-3);margin-top:auto;padding-top:6px}
.card-meta i{color:var(--c-primary);margin-right:6px;font-size:12px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:
    linear-gradient(120deg, rgba(110,123,255,.22), rgba(11,16,48,.94) 55%),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  border:1px solid var(--c-line-strong);border-radius:var(--r-card);
  padding:34px 32px;box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:10px}
.cta-band p{margin:0;max-width:620px;color:var(--c-text-2)}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-1);border-top:1px solid var(--c-line);padding:64px 0 26px;margin-top:20px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:16px}
.site-footer p{font-size:14px;color:var(--c-text-3);max-width:320px}
.site-footer h4{font-size:15px;margin-bottom:16px;color:var(--c-text)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--c-text-2)}
.footer-links a:hover{color:var(--c-primary)}
.footer-contact{display:grid;gap:12px;font-size:14px;color:var(--c-text-2)}
.footer-contact i{color:var(--c-accent);margin-right:8px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--section-y:72px}
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{font-size:16px}
  .article-card{padding:22px}
  .cms-article-body{font-size:16.5px}
  .article-hero{padding:38px 0 26px}
  .section-head{margin-bottom:26px}
  .cta-band{padding:26px 22px}
}
@media (max-width:520px){
  :root{--section-y:56px}
  .site-container{padding:0 16px}
  .grid-cards{grid-template-columns:1fr}
  .next-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-panel{padding:10px 12px;gap:10px}
  .brand-text{font-size:15px}
  .btn{height:48px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --c-bg-0:#05081A;
  --c-bg-1:#0B1030;
  --c-surface:#141B42;
  --c-surface-2:#1C2455;
  --c-line:rgba(150,170,255,.14);
  --c-line-2:rgba(150,170,255,.32);
  --c-primary:#6E7BFF;
  --c-primary-soft:rgba(110,123,255,.16);
  --c-accent:#38E1C8;
  --c-promo:#FFB43D;
  --c-text:#EAEEFF;
  --c-text-2:#A9B4DC;
  --c-text-3:#6E7AA6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 18px 40px -18px rgba(5,8,26,.85);
  --shadow-hover:0 26px 52px -20px rgba(5,8,26,.95);
  --w:1200px;
  --sec-y:96px;
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(110,123,255,.14), transparent 65%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,225,200,.09), transparent 62%);
  background-repeat:no-repeat;
  color:var(--c-text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  font-weight:400;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:#9AA3FF;text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(110,123,255,.22);
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;color:var(--c-text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:600}
em{font-style:normal}
.site-container{max-width:var(--w);padding-left:20px;padding-right:20px}
.sec{padding:var(--sec-y) 0}
.sec-tight{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--c-accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-accent);opacity:.7}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin:12px 0 14px}
.sec-head p{color:var(--c-text-2);font-size:16px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 8px;backdrop-filter:blur(10px);background:linear-gradient(180deg,rgba(5,8,26,.94),rgba(5,8,26,.72))}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  padding:12px 16px;
  background:linear-gradient(135deg,rgba(20,27,66,.96),rgba(11,16,48,.96));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-text)}
.brand:hover{text-decoration:none;color:var(--c-text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),#4A55D8 60%,#38E1C8);
  color:#0A0E24;font-weight:700;font-size:17px;
  box-shadow:0 8px 20px -10px rgba(110,123,255,.9);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  height:50px;padding:0 14px;border-radius:12px;
  border:1px solid transparent;
  color:var(--c-text-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.nav-card i{font-size:15px;opacity:.85}
.nav-card:hover{background:var(--c-surface-2);border-color:var(--c-line-2);color:var(--c-text);text-decoration:none;transform:translateY(-1px)}
.nav-card.is-active{background:var(--c-primary-soft);border-color:rgba(110,123,255,.42);color:#C7CCFF}
.nav-card.is-active i{opacity:1;color:var(--c-primary)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--c-line);color:var(--c-text);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{background:var(--c-surface-2);border-color:var(--c-line-2)}
.nav-drawer{
  display:none;
  margin-top:10px;padding:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
}
.nav-drawer.is-open{display:block}
.nav-drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.nav-drawer .nav-card{height:56px;justify-content:flex-start;border-color:var(--c-line);width:100%}
.nav-drawer .nav-cta{width:100%;margin-top:12px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#0A0E24;box-shadow:0 14px 30px -16px rgba(110,123,255,.95)}
.btn-primary:hover{background:#8590FF;color:#0A0E24}
.btn-ghost{background:transparent;border-color:var(--c-line-2);color:var(--c-text)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:#fff}
.btn-promo{background:var(--c-promo);color:#231600}
.btn-promo:hover{background:#FFC465;color:#231600}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
}
.badge-primary{background:var(--c-primary-soft);color:#AEB6FF;border-color:rgba(110,123,255,.36)}
.badge-accent{background:rgba(56,225,200,.13);color:#7FF0DF;border-color:rgba(56,225,200,.3)}
.badge-promo{background:rgba(255,180,61,.15);color:#FFCF80;border-color:rgba(255,180,61,.4)}
.badge-neutral{background:rgba(169,180,220,.1);color:var(--c-text-2);border-color:var(--c-line)}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-3);padding-top:4px}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span{color:var(--c-text-3);opacity:.6}
.crumbs em{color:var(--c-text-3)}

/* ============ 卡片 ============ */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t),background var(--t);
}
.card:hover{transform:translateY(-2px);border-color:var(--c-line-2);box-shadow:var(--shadow-hover);background:var(--c-surface-2)}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--c-text-2);font-size:15.5px}

/* ============ Hero ============ */
.hero-wrap{padding:28px 0 0}
.hero{
  position:relative;overflow:hidden;
  border-radius:20px;
  border:1px solid var(--c-line);
  padding:56px 48px;
  background-image:
    linear-gradient(120deg,rgba(5,8,26,.95) 0%,rgba(11,16,48,.86) 52%,rgba(11,16,48,.72) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 26%, rgba(234,238,255,.8), transparent 60%),
    radial-gradient(1.4px 1.4px at 62% 14%, rgba(56,225,200,.7), transparent 60%),
    radial-gradient(1.8px 1.8px at 84% 62%, rgba(110,123,255,.85), transparent 60%),
    radial-gradient(1.2px 1.2px at 38% 78%, rgba(234,238,255,.55), transparent 60%);
  opacity:.8;
}
.hero > *{position:relative;z-index:2}
.hero h1{font-size:clamp(30px,4.4vw,52px);margin:18px 0 12px;letter-spacing:-.01em}
.hero-sub{font-size:clamp(17px,2vw,21px);color:var(--c-accent);font-weight:600;margin-bottom:16px}
.hero-text{color:var(--c-text-2);font-size:16.5px;max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 13px;border-radius:999px;
  background:rgba(11,16,48,.7);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.hero-points i{color:var(--c-accent);font-size:12px}
.hero-visual{
  background:rgba(11,16,48,.72);
  border:1px solid var(--c-line-2);
  border-radius:var(--r-card);
  padding:14px;
  box-shadow:var(--shadow-card);
}
.hero-visual figure{margin:0;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--c-surface)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-rows{margin-top:14px;display:grid;gap:10px}
.hero-rows li{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-text-2);
}
.hero-rows li i{color:var(--c-primary);width:16px;text-align:center}

/* ============ 步骤流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.step-item{position:relative}
.step-item:not(:last-child)::after{
  content:"\f061";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;top:50%;right:-19px;transform:translateY(-50%);
  color:var(--c-text-3);font-size:14px;z-index:3;
}
.step-card{height:100%;padding:26px}
.step-no{
  display:inline-grid;place-items:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--c-primary-soft);border:1px solid rgba(110,123,255,.4);
  color:#AEB6FF;font-weight:700;font-size:15px;margin-bottom:16px;
}
.step-card h3{font-size:19px;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--c-text-2)}
.step-tip{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);
  font-size:13.5px;color:var(--c-text-3);display:flex;gap:8px;align-items:flex-start;
}
.step-tip i{color:var(--c-accent);margin-top:4px}

/* ============ 图文交替 ============ */
.duo{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.duo.reverse .duo-media{order:2}
.duo-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);aspect-ratio:4/3;background:var(--c-surface);box-shadow:var(--shadow-card)}
.duo-media img{width:100%;height:100%;object-fit:cover}
.duo-body h2{font-size:clamp(23px,2.6vw,32px);margin:12px 0 14px}
.duo-body > p{color:var(--c-text-2);font-size:16px;margin-bottom:20px}
.check-list{display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:12px;
  background:var(--c-bg-1);border:1px solid var(--c-line);
  font-size:15px;color:var(--c-text-2);
  transition:border-color var(--t),background var(--t),transform var(--t);
}
.check-list li:hover{border-color:var(--c-line-2);background:var(--c-surface);transform:translateX(2px)}
.check-list i{color:var(--c-accent);margin-top:4px}
.check-list strong{display:block;color:var(--c-text);font-size:15.5px;margin-bottom:2px}

/* ============ 自查清单 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.prep-card{padding:22px;display:flex;gap:14px;align-items:flex-start}
.prep-ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;font-size:16px;
  background:rgba(56,225,200,.12);border:1px solid rgba(56,225,200,.28);color:var(--c-accent);
}
.prep-card h3{font-size:17px;margin-bottom:6px}
.prep-card p{font-size:14.5px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:3px solid transparent;
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color var(--t),background var(--t);
}
.faq-item[open]{border-left-color:var(--c-primary);background:var(--c-surface-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\2b";font-weight:700;color:var(--c-primary);font-size:20px;line-height:1;
  transition:transform var(--t);
}
.faq-item[open] summary::after{content:"\2212";transform:rotate(180deg)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--c-text-2);font-size:15.5px;line-height:1.85}

/* ============ CTA 横幅 ============ */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid var(--c-line-2);
  padding:44px;
  background-image:
    linear-gradient(115deg,rgba(11,16,48,.96),rgba(28,36,85,.9)),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
}
.cta-banner h2{font-size:clamp(22px,2.6vw,30px);margin:14px 0 12px}
.cta-banner p{color:var(--c-text-2);font-size:15.5px;margin-bottom:20px}
.cta-side{
  background:rgba(5,8,26,.55);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
}
.cta-side li{display:flex;gap:10px;align-items:center;font-size:14.5px;color:var(--c-text-2);padding:9px 0;border-bottom:1px dashed var(--c-line)}
.cta-side li:last-child{border-bottom:0}
.cta-side i{color:var(--c-accent)}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--c-line);background:var(--c-bg-1);padding:64px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px;border-radius:10px}
.footer-brand strong{font-size:16px}
.site-footer p{color:var(--c-text-2);font-size:14.5px;max-width:340px}
.site-footer h4{font-size:15px;margin-bottom:16px;color:var(--c-text)}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--c-text-2);font-size:14.5px}
.footer-links a:hover{color:var(--c-primary)}
.footer-contact{display:grid;gap:10px;color:var(--c-text-2);font-size:14.5px}
.footer-contact span{display:flex;align-items:center;gap:9px}
.footer-contact i{color:var(--c-primary);width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:var(--c-text-3);font-size:13.5px;
}

/* ============ 移动端固定条 ============ */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(5,8,26,.94);
  border-top:1px solid var(--c-line);
  backdrop-filter:blur(8px);
  gap:10px;
}
.mobile-bar .btn{flex:1;height:46px}

/* ============ 响应式 ============ */
@media screen and (max-width:1100px){
  :root{--sec-y:76px}
  .nav-cards .nav-card{padding:0 11px;font-size:13.5px}
  .brand-text{font-size:15px}
}
@media screen and (max-width:1024px){
  .nav-cards{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
  .hero{padding:44px 32px}
  .duo{grid-template-columns:1fr;gap:28px}
  .duo.reverse .duo-media{order:0}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .site-footer p{max-width:none}
}
@media screen and (max-width:900px){
  .steps{grid-template-columns:1fr;gap:16px}
  .step-item:not(:last-child)::after{content:"\f063";right:auto;left:32px;top:auto;bottom:-13px;transform:none}
  .cta-banner{grid-template-columns:1fr;padding:32px 24px}
}
@media screen and (max-width:640px){
  :root{--sec-y:58px}
  body{font-size:15.5px}
  .site-header{padding:10px 0 6px}
  .site-container{padding-left:16px;padding-right:16px}
  .hero{padding:32px 20px;border-radius:16px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-actions .btn{width:100%}
  .hero-points li{font-size:12.5px;height:28px}
  .prep-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-item .faq-body{padding:0 18px 18px;font-size:15px}
  .card{padding:20px}
  .mobile-bar{display:flex}
  .site-footer{padding-bottom:96px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --c-bg-0:#05081A;
  --c-bg-1:#0B1030;
  --c-surface:#141B42;
  --c-surface-2:#1C2455;
  --c-line:rgba(150,170,255,.14);
  --c-line-strong:rgba(150,170,255,.30);
  --c-primary:#6E7BFF;
  --c-primary-dark:#5461E8;
  --c-primary-soft:rgba(110,123,255,.16);
  --c-accent:#38E1C8;
  --c-promo:#FFB43D;
  --c-text:#EAEEFF;
  --c-text-2:#A9B4DC;
  --c-text-3:#6E7AA6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --shadow-card:0 18px 40px -18px rgba(5,8,26,.85);
  --shadow-hover:0 24px 50px -20px rgba(5,8,26,.95);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(620px 420px at 10% -6%, rgba(110,123,255,.20), transparent 68%),
    radial-gradient(760px 520px at 92% 2%, rgba(56,225,200,.10), transparent 70%),
    radial-gradient(900px 600px at 50% 108%, rgba(110,123,255,.12), transparent 72%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--c-text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#8F99FF;text-decoration:underline}
h1,h2,h3,h4{color:var(--c-text);font-weight:700;margin:0;line-height:1.3;letter-spacing:.2px}
h1{font-size:clamp(30px,4.4vw,52px)}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 5px rgba(110,123,255,.22)}
.grid-container.site-container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1440px){.grid-container.site-container{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#060A1F;box-shadow:0 12px 26px -14px rgba(110,123,255,.9)}
.btn-primary:hover{background:#808CFF;color:#060A1F}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:#fff;background:var(--c-primary-soft)}
.btn-promo{background:var(--c-promo);color:#241703}
.btn-promo:hover{background:#FFC55E;color:#241703}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);
  font-size:12.5px;font-weight:600;color:var(--c-text-2);
}
.badge-primary{background:var(--c-primary-soft);border-color:rgba(110,123,255,.45);color:#B7BEFF}
.badge-accent{background:rgba(56,225,200,.12);border-color:rgba(56,225,200,.38);color:#7DF0DE}
.badge-promo{background:rgba(255,180,61,.14);border-color:rgba(255,180,61,.45);color:#FFCE7A}

/* ---------- 导航面板 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 6px;backdrop-filter:blur(10px)}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  background:linear-gradient(180deg,rgba(20,27,66,.96),rgba(11,16,48,.96));
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:12px 16px;box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-text)}
.brand:hover{text-decoration:none;color:var(--c-text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),#38E1C8);
  color:#060A1F;font-weight:700;font-size:18px;
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.brand-text small{display:block;font-size:11.5px;font-weight:500;color:var(--c-text-3);letter-spacing:.5px}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;height:46px;padding:0 14px;
  border-radius:12px;border:1px solid transparent;background:rgba(28,36,85,.5);
  color:var(--c-text-2);font-size:14px;font-weight:600;white-space:nowrap;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-card i{font-size:14px;opacity:.9}
.nav-card:hover{background:var(--c-surface-2);border-color:var(--c-line-strong);color:var(--c-text);text-decoration:none;transform:translateY(-1px)}
.nav-card.is-active{background:var(--c-primary-soft);border-color:rgba(110,123,255,.55);color:#C3C9FF}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line-strong);
  background:rgba(28,36,85,.6);color:var(--c-text);font-size:17px;cursor:pointer;
}
.nav-drawer{display:none;margin-top:10px;padding:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-card)}
.nav-drawer.is-open{display:block}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.drawer-grid .nav-card{height:52px;justify-content:flex-start;background:var(--c-bg-1)}
.drawer-cta{margin-top:12px}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--c-text-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb a{color:var(--c-text-2)}
.crumb li+li::before{content:"/";color:var(--c-text-3)}
.crumb .current{color:var(--c-text)}

/* ---------- Hero ---------- */
.page-hero{padding:32px 0 0}
.hero-panel{
  position:relative;overflow:hidden;border:1px solid var(--c-line);border-radius:20px;padding:52px 44px;
  background-image:linear-gradient(105deg,rgba(5,8,26,.94) 0%,rgba(5,8,26,.80) 46%,rgba(11,16,48,.68) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
.hero-panel .hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:40px;align-items:center}
.hero-kicker{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.hero-panel h1{max-width:15em;margin-bottom:16px}
.hero-panel h1 span{color:var(--c-accent)}
.hero-lead{font-size:17px;color:var(--c-text-2);max-width:34em;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-aside{
  background:rgba(20,27,66,.82);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.hero-aside h3{font-size:17px;margin-bottom:14px}
.tier-mini{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.tier-mini-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:12px;background:var(--c-bg-1);border:1px solid var(--c-line);
  font-size:14.5px;color:var(--c-text-2);
}
.tier-mini-row b{color:var(--c-text);font-weight:600}
.hero-aside .aside-note{font-size:13px;color:var(--c-text-3);margin:12px 0 0}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.6px;margin-bottom:12px}
.section-head p{color:var(--c-text-2);margin:12px 0 0}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none}
.section-head.split .link-more{font-size:14.5px;font-weight:600;white-space:nowrap}

/* ---------- 数据条 ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card);transition:transform .2s var(--ease),border-color .2s var(--ease)}
.stat-card:hover{transform:translateY(-2px);border-color:var(--c-line-strong)}
.stat-card .num{font-size:30px;font-weight:700;color:#fff;line-height:1.1;margin-bottom:8px}
.stat-card .num em{font-style:normal;font-size:16px;color:var(--c-accent);margin-left:4px}
.stat-card .desc{font-size:14px;color:var(--c-text-2)}

/* ---------- 档位竖排卡 ---------- */
.tier-list{display:flex;flex-direction:column;gap:18px}
.tier-row{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.tier-row:hover{transform:translateY(-2px);border-color:var(--c-line-strong);box-shadow:var(--shadow-hover)}
.tier-row.is-featured{border-color:rgba(110,123,255,.55);background:linear-gradient(180deg,rgba(110,123,255,.10),rgba(20,27,66,.96))}
.tier-row.is-featured::after{
  content:"推荐";position:absolute;top:-11px;right:24px;height:24px;padding:0 12px;border-radius:999px;
  display:flex;align-items:center;background:var(--c-primary);color:#060A1F;font-size:12.5px;font-weight:700;
}
.tier-head{display:flex;flex-direction:column;gap:8px}
.tier-name{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700}
.tier-name .dot{width:10px;height:10px;border-radius:50%;background:var(--c-accent);flex:0 0 10px}
.tier-row.is-featured .tier-name .dot{background:var(--c-primary)}
.tier-desc{font-size:14px;color:var(--c-text-2);line-height:1.65}
.tier-price{font-size:15px;color:var(--c-text-3);margin-top:2px}
.tier-price b{font-size:26px;color:#fff;font-weight:700;margin-right:4px}
.tier-benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px}
.tier-benefits li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);line-height:1.6}
.tier-benefits li i{color:var(--c-accent);font-size:13px;margin-top:5px;flex:0 0 14px}
.tier-benefits li.muted i{color:var(--c-text-3)}
.tier-action{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.tier-action .tiny{font-size:13px;color:var(--c-text-3)}

/* ---------- 权益明细 ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.benefit-card{background:var(--c-bg-1);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card)}
.benefit-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:8px}
.benefit-card h3 i{color:var(--c-primary);font-size:17px}
.benefit-card .sub{font-size:14px;color:var(--c-text-3);margin-bottom:16px}
.benefit-list{display:flex;flex-direction:column;gap:14px}
.benefit-list li{padding-bottom:14px;border-bottom:1px dashed var(--c-line)}
.benefit-list li:last-child{border-bottom:0;padding-bottom:0}
.benefit-list strong{display:block;font-size:15.5px;color:var(--c-text);font-weight:600;margin-bottom:4px}
.benefit-list span{font-size:14.5px;color:var(--c-text-2)}

/* ---------- 图文说明 ---------- */
.split-block{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split-block.reverse .split-text{order:2}
.split-block.reverse .split-media{order:1}
.split-text h2{margin-bottom:14px}
.split-text p{color:var(--c-text-2)}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--c-text-2)}
.check-list li i{color:var(--c-accent);margin-top:5px;flex:0 0 16px}
.media-frame{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-card);aspect-ratio:4/3}
.media-frame img{width:100%;height:100%;object-fit:cover}
.note-strip{
  margin-top:22px;padding:18px 20px;border-radius:14px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-soft);color:var(--c-text-2);font-size:14.5px;
}
.note-strip b{color:var(--c-text)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item[open]{border-color:rgba(110,123,255,.5);border-left:3px solid var(--c-primary);background:var(--c-surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--c-primary);transition:transform .2s var(--ease)}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .faq-body{padding:0 22px 20px;color:var(--c-text-2);font-size:15.5px;line-height:1.8}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid rgba(255,180,61,.35);
  background-image:linear-gradient(100deg,rgba(20,27,66,.95),rgba(11,16,48,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:44px 40px;box-shadow:var(--shadow-card);
}
.cta-banner .cta-grid{display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center}
.cta-banner h2{margin-bottom:12px}
.cta-banner p{color:var(--c-text-2);margin:0;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:14px;color:var(--c-text-3)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{color:var(--c-accent)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;padding:56px 0 26px;background:var(--c-bg-1);border-top:1px solid var(--c-line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px}
.footer-brand strong{font-size:16px;color:var(--c-text)}
.site-footer p{color:var(--c-text-2);font-size:14.5px;max-width:30em}
.site-footer h4{font-size:15px;margin-bottom:14px;color:var(--c-text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--c-text-2);font-size:14.5px}
.footer-links a:hover{color:var(--c-primary);text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--c-text-2)}
.footer-contact i{color:var(--c-primary);width:16px;margin-right:6px}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-panel{padding:40px 28px}
  .hero-panel .hero-grid{grid-template-columns:1fr;gap:28px}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .benefit-grid{grid-template-columns:1fr}
  .split-block{grid-template-columns:1fr;gap:26px}
  .split-block.reverse .split-text{order:1}
  .split-block.reverse .split-media{order:2}
  .cta-banner .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:60px 0 0}
  .site-header{padding:10px 0 4px}
  .brand-text{font-size:15px}
  .tier-row{padding:22px 20px}
  .tier-benefits{grid-template-columns:1fr}
  .cta-banner{padding:32px 22px}
  .hero-panel{padding:32px 22px}
}
@media (max-width:520px){
  .grid-container.site-container{padding-left:16px;padding-right:16px}
  .brand-text small{display:none}
  .drawer-grid{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .hero-cta .btn{width:100%}
  .tier-action .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category4 */
:root{
  --c-bg-0:#05081A;
  --c-bg-1:#0B1030;
  --c-surface:#141B42;
  --c-surface-2:#1C2455;
  --c-line:rgba(150,170,255,.14);
  --c-line-strong:rgba(150,170,255,.30);
  --c-primary:#6E7BFF;
  --c-primary-hi:#8E9BFF;
  --c-primary-soft:rgba(110,123,255,.16);
  --c-accent:#38E1C8;
  --c-promo:#FFB43D;
  --c-text:#EAEEFF;
  --c-text-2:#A9B4DC;
  --c-text-3:#6E7AA6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 18px 40px -18px rgba(5,8,26,.85);
  --shadow-soft:0 10px 26px -16px rgba(5,8,26,.9);
  --site-max:1200px;
  --sp-section:clamp(56px,7vw,96px);
}

*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  padding:0;
  background:var(--c-bg-0);
  color:var(--c-text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 420px at 12% -6%, rgba(110,123,255,.20), transparent 62%),
    radial-gradient(620px 380px at 92% 4%, rgba(56,225,200,.10), transparent 60%),
    radial-gradient(900px 520px at 50% 108%, rgba(110,123,255,.10), transparent 68%);
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.32;color:var(--c-text);letter-spacing:.2px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{list-style:none;margin:0;padding:0}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--c-primary-hi);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(110,123,255,.22);
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
hr{border:0;border-top:1px solid var(--c-line);margin:0}

.site-container{
  width:100%;
  max-width:var(--site-max);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
main{position:relative;z-index:1}
.section{padding:var(--sp-section) 0;position:relative;z-index:1}
.section--tight{padding:calc(var(--sp-section) * .68) 0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 0;
  background:linear-gradient(180deg,rgba(5,8,26,.94),rgba(5,8,26,.78) 70%,rgba(5,8,26,0));
  backdrop-filter:blur(10px);
}
.header-panel{
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  background:linear-gradient(150deg,rgba(20,27,66,.96),rgba(11,16,48,.96));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--c-text);
  flex:0 0 auto;
}
.brand:hover{text-decoration:none;color:var(--c-text)}
.brand-mark{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(145deg,var(--c-primary),#4B57D6);
  color:#fff;
  font-size:19px;
  font-weight:700;
  box-shadow:0 8px 18px -10px rgba(110,123,255,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.3px}
.brand-text em{
  font-style:normal;
  font-size:11.5px;
  color:var(--c-text-3);
  letter-spacing:.4px;
}
.nav-cards{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  justify-content:center;
  flex-wrap:wrap;
}
.nav-card{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:48px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--c-text-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.nav-card i{font-size:14px;opacity:.9}
.nav-card:hover{
  background:var(--c-surface-2);
  border-color:var(--c-line-strong);
  color:var(--c-text);
  text-decoration:none;
  transform:translateY(-1px);
}
.nav-card.is-active{
  background:var(--c-primary-soft);
  border-color:rgba(110,123,255,.55);
  color:#C9D0FF;
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text);
  font-size:16px;
  transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--c-surface-2);border-color:var(--c-line-strong)}
.nav-toggle[aria-expanded="true"]{background:var(--c-primary-soft);border-color:rgba(110,123,255,.5)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  text-align:center;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--c-primary);
  color:#080B20;
  box-shadow:0 12px 26px -14px rgba(110,123,255,.95);
}
.btn-primary:hover{background:var(--c-primary-hi);color:#080B20;box-shadow:0 16px 30px -14px rgba(110,123,255,1)}
.btn-ghost{
  background:transparent;
  border-color:var(--c-line-strong);
  color:var(--c-text);
}
.btn-ghost:hover{background:var(--c-surface-2);border-color:rgba(110,123,255,.55);color:var(--c-text)}
.btn-promo{
  background:var(--c-promo);
  color:#2A1800;
  box-shadow:0 12px 26px -16px rgba(255,180,61,.95);
}
.btn-promo:hover{background:#FFC463;color:#2A1800}
.btn-soft{
  background:var(--c-primary-soft);
  border-color:rgba(110,123,255,.42);
  color:#C9D0FF;
}
.btn-soft:hover{background:rgba(110,123,255,.26);color:#DEE2FF}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:25px;
  padding:0 11px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
  color:var(--c-text-2);
  white-space:nowrap;
}
.badge i{font-size:11px}
.badge-primary{background:var(--c-primary-soft);border-color:rgba(110,123,255,.5);color:#C9D0FF}
.badge-accent{background:rgba(56,225,200,.13);border-color:rgba(56,225,200,.42);color:#8FF0E1}
.badge-promo{background:rgba(255,180,61,.14);border-color:rgba(255,180,61,.5);color:#FFD189}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
  color:var(--c-text-2);
  font-size:13px;
}
.tag:hover{border-color:rgba(110,123,255,.55);color:#C9D0FF;text-decoration:none}

/* ============ 通用卡片 ============ */
.card{
  background:linear-gradient(160deg,rgba(20,27,66,.92),rgba(11,16,48,.92));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--c-line-strong);
  box-shadow:var(--shadow-card);
}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--c-text-2);font-size:14.5px}
.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
  background:var(--c-surface);
}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}
.ratio-21x9{aspect-ratio:21/9}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--c-text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-text-3);opacity:.7}
.breadcrumb .now{color:var(--c-text-2)}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;
  padding:44px 0 var(--sp-section);
  background-image:linear-gradient(120deg,rgba(5,8,26,.95),rgba(5,8,26,.72) 55%,rgba(11,16,48,.9)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);
  margin:16px 0 16px;
  letter-spacing:.4px;
}
.page-hero .lead{
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-text-2);
  max-width:640px;
  margin-bottom:20px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.hero-media{margin-top:8px}

.faq-search{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:30px;
  padding:10px 12px 10px 16px;
  background:linear-gradient(150deg,rgba(20,27,66,.95),rgba(11,16,48,.95));
  border:1px solid var(--c-line);
  border-radius:14px;
  box-shadow:var(--shadow-card);
  max-width:720px;
}
.faq-search i{color:var(--c-text-3);font-size:16px}
.faq-search input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:0;
  color:var(--c-text);
  height:44px;
  outline:none;
}
.faq-search input::placeholder{color:var(--c-text-3)}
.faq-search .btn{min-height:42px;padding:0 16px;font-size:14px}
.search-hint{
  margin-top:12px;
  font-size:13.5px;
  color:var(--c-text-3);
}

/* ============ 锚点胶囊 ============ */
.anchor-bar{
  padding:22px 0;
  border-bottom:1px solid var(--c-line);
  background:rgba(11,16,48,.55);
}
.anchor-pills{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:thin;
}
.anchor-pills::-webkit-scrollbar{height:6px}
.anchor-pills::-webkit-scrollbar-thumb{background:rgba(110,123,255,.4);border-radius:999px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  min-height:40px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.pill:hover{
  background:var(--c-surface-2);
  border-color:rgba(110,123,255,.55);
  color:var(--c-text);
  text-decoration:none;
}
.pill.is-on{
  background:var(--c-primary-soft);
  border-color:rgba(110,123,255,.55);
  color:#C9D0FF;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}
.scroll-note{
  display:none;
  margin-top:10px;
  font-size:12.5px;
  color:var(--c-text-3);
}

/* ============ FAQ 主体 ============ */
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media (min-width:1024px){
  .layout-grid{grid-template-columns:minmax(0,7.6fr) minmax(0,4.4fr);gap:40px;align-items:start}
}
.faq-group{margin-bottom:40px;scroll-margin-top:120px}
.faq-group:last-child{margin-bottom:0}
.group-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-bottom:14px;
  margin-bottom:18px;
  border-bottom:1px solid var(--c-line);
}
.group-head h2{
  font-size:clamp(20px,2.3vw,26px);
  display:flex;
  align-items:center;
  gap:12px;
}
.group-head h2::before{
  content:"";
  width:4px;
  height:22px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  flex:0 0 auto;
}
.group-head .count{font-size:13px;color:var(--c-text-3);white-space:nowrap}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--c-line);
  border-radius:14px;
  background:linear-gradient(160deg,rgba(20,27,66,.85),rgba(11,16,48,.85));
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.faq-item:hover{border-color:var(--c-line-strong);box-shadow:var(--shadow-soft)}
.faq-item[open]{
  border-color:rgba(110,123,255,.5);
  box-shadow:var(--shadow-card);
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  gap:14px;
  justify-content:space-between;
  padding:18px 20px;
  cursor:pointer;
  min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.q-text{
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  line-height:1.55;
}
.q-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--c-primary-soft);
  color:#C9D0FF;
  font-size:12px;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item[open] .q-icon{
  background:var(--c-primary);
  color:#080B20;
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 20px 20px 20px;
  border-left:3px solid var(--c-primary);
  margin:0 0 0 20px;
  padding-left:16px;
}
.faq-answer p{
  color:var(--c-text-2);
  font-size:15px;
  line-height:1.85;
  margin-bottom:10px;
}
.faq-answer p:last-child{margin-bottom:0}
.faq-answer .mini-list{
  margin-top:6px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.faq-answer .mini-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--c-text-2);
}
.faq-answer .mini-list i{
  color:var(--c-accent);
  font-size:12px;
  margin-top:6px;
}
.faq-empty{
  display:none;
  padding:36px 24px;
  border:1px dashed var(--c-line-strong);
  border-radius:var(--r-card);
  text-align:center;
  background:rgba(11,16,48,.6);
}
.faq-empty.is-show{display:block}
.faq-empty i{font-size:26px;color:var(--c-text-3);margin-bottom:12px;display:block}
.faq-empty strong{display:block;font-size:16px;margin-bottom:6px}
.faq-empty p{color:var(--c-text-2);font-size:14px;margin-bottom:14px}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .side-stack{position:sticky;top:104px}
}
.contact-card{
  padding:26px;
  background:linear-gradient(160deg,rgba(28,36,85,.95),rgba(11,16,48,.95));
  border-color:rgba(110,123,255,.35);
}
.contact-card h3{font-size:18px}
.contact-list{display:flex;flex-direction:column;gap:14px;margin:18px 0 20px}
.contact-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:var(--c-text-2);
}
.contact-list i{
  width:34px;height:34px;
  flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--c-primary-soft);
  color:#C9D0FF;
  font-size:13px;
}
.contact-list span b{display:block;color:var(--c-text);font-size:14px;font-weight:600;margin-bottom:2px}
.hot-card h3{font-size:17px;margin-bottom:14px}
.hot-list{display:flex;flex-direction:column}
.hot-list li{border-top:1px solid var(--c-line)}
.hot-list li:first-child{border-top:0}
.hot-list a{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 0;
  font-size:14.5px;
  color:var(--c-text-2);
}
.hot-list a:hover{color:var(--c-primary);text-decoration:none}
.hot-list .n{
  flex:0 0 auto;
  width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  border-radius:7px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--c-line);
  font-size:12px;
  color:var(--c-text-3);
  margin-top:2px;
}
.hot-list a:hover .n{background:var(--c-primary-soft);color:#C9D0FF;border-color:rgba(110,123,255,.5)}
.help-note{
  padding:18px 20px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:rgba(56,225,200,.07);
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.8;
}
.help-note strong{color:var(--c-text);display:block;margin-bottom:6px;font-size:15px}

/* ============ CTA 横幅 ============ */
.cta-band{
  margin-top:12px;
  padding:34px 32px;
  border-radius:20px;
  border:1px solid rgba(110,123,255,.35);
  background:
    radial-gradient(520px 240px at 88% 0%, rgba(110,123,255,.30), transparent 65%),
    linear-gradient(150deg,rgba(28,36,85,.96),rgba(11,16,48,.96));
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:22px;
  align-items:center;
}
@media (min-width:900px){
  .cta-band{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:32px;padding:42px 44px}
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:var(--c-text-2);font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:900px){.cta-actions{justify-content:flex-end}}
.cta-actions .btn{flex:1 1 auto;min-width:160px}
@media (min-width:900px){.cta-actions .btn{flex:0 0 auto;min-width:168px}}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sp-section);
  padding:64px 0 28px;
  border-top:1px solid var(--c-line);
  background:linear-gradient(180deg,rgba(5,8,26,0),rgba(11,16,48,.85));
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:34px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px}
.footer-brand strong{font-size:16px}
.site-footer p{color:var(--c-text-2);font-size:14.5px;line-height:1.8;max-width:340px}
.site-footer h4{
  font-size:15px;
  margin-bottom:14px;
  color:var(--c-text);
  letter-spacing:.3px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--c-text-2);font-size:14.5px}
.footer-links a:hover{color:var(--c-primary);text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact span{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14.5px;
  color:var(--c-text-2);
}
.footer-contact i{color:var(--c-primary);font-size:13px;width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-text-3);
}

/* ============ 移动端导航抽屉 ============ */
@media (max-width:1023px){
  .header-panel{flex-wrap:wrap}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cards{
    display:none;
    order:3;
    width:100%;
    flex-direction:row;
    flex-wrap:wrap;
    justify-content:flex-start;
    gap:10px;
    padding:12px;
    margin-top:10px;
    border:1px solid var(--c-line);
    border-radius:14px;
    background:var(--c-bg-1);
    box-shadow:var(--shadow-card);
  }
  .nav-cards.is-open{display:flex}
  .nav-card{
    flex:1 1 calc(50% - 5px);
    justify-content:flex-start;
    height:46px;
    font-size:13.5px;
    padding:0 12px;
  }
  .header-actions .btn{padding:0 16px;font-size:14px}
}
@media (max-width:639px){
  .brand-text em{display:none}
  .brand-text strong{font-size:14.5px}
  .faq-search{flex-wrap:wrap;padding:12px}
  .faq-search input{flex:1 1 100%;height:42px}
  .faq-search .btn{width:100%}
  .scroll-note{display:block}
  .faq-answer{margin-left:14px;padding-left:14px}
  .cta-band{padding:26px 20px}
  .cta-actions .btn{width:100%;min-width:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-bg-0:#05081A;
  --c-bg-1:#0B1030;
  --c-surface:#141B42;
  --c-surface-2:#1C2455;
  --c-line:rgba(150,170,255,.14);
  --c-line-strong:rgba(150,170,255,.32);
  --c-primary:#6E7BFF;
  --c-primary-soft:rgba(110,123,255,.16);
  --c-accent:#38E1C8;
  --c-accent-soft:rgba(56,225,200,.14);
  --c-promo:#FFB43D;
  --c-text:#EAEEFF;
  --c-text-2:#A9B4DC;
  --c-text-3:#6E7AA6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 18px 40px -18px rgba(5,8,26,.85);
  --shadow-hover:0 26px 54px -20px rgba(5,8,26,.95);
  --gap-section:96px;
  --font: "HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{overflow-x:hidden;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.7;
  color:var(--c-text);
  background-color:var(--c-bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(110,123,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,225,200,.12), transparent 60%);
  background-repeat:no-repeat;
  background-attachment:scroll;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.55;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%, rgba(255,255,255,.40), transparent 60%),
    radial-gradient(1.2px 1.2px at 72% 12%, rgba(255,255,255,.30), transparent 60%),
    radial-gradient(1.6px 1.6px at 44% 68%, rgba(255,255,255,.26), transparent 60%),
    radial-gradient(1.2px 1.2px at 86% 74%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1.2px 1.2px at 8% 86%, rgba(255,255,255,.22), transparent 60%);
}
.page{position:relative;z-index:1;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:#93A0FF;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(110,123,255,.22);
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--c-text);letter-spacing:.2px;font-weight:700;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.24;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
h4{font-size:16px;line-height:1.5;}
p{margin:0 0 1em;color:var(--c-text-2);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--c-primary);color:#fff;}

/* ---------- 容器 ---------- */
.site-container{max-width:1200px;width:100%;padding-left:20px;padding-right:20px;}
@media (min-width:1440px){
  .site-container{max-width:1280px;}
}

/* ---------- 卡片化导航面板 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 10px;
  background:linear-gradient(180deg, rgba(5,8,26,.94) 0%, rgba(5,8,26,.82) 70%, rgba(5,8,26,0) 100%);
  backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 16px;
  background:linear-gradient(180deg, rgba(28,36,85,.92), rgba(20,27,66,.92));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--c-text);
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-weight:700;font-size:19px;
  color:#05081A;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  box-shadow:0 10px 24px -12px rgba(110,123,255,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.4px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-text-3);letter-spacing:.6px;}
.nav-cards{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  overflow-x:auto;
  padding:2px;
  scrollbar-width:none;
}
.nav-cards::-webkit-scrollbar{display:none;}
.nav-card{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 14px;
  white-space:nowrap;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--c-text-2);
  font-size:14.5px;
  font-weight:500;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.nav-card i{font-size:15px;color:var(--c-text-3);transition:color .18s ease;}
.nav-card:hover,.nav-card:focus-visible{
  background:var(--c-surface-2);
  border-color:var(--c-line-strong);
  color:var(--c-text);
  transform:translateY(-1px);
}
.nav-card:hover i{color:var(--c-accent);}
.nav-card.is-active{
  background:var(--c-primary-soft);
  border-color:rgba(110,123,255,.5);
  color:#C9D0FF;
}
.nav-card.is-active i{color:var(--c-primary);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text);
  font-size:18px;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--c-surface-2);}
.nav-drawer{
  display:none;
  margin-top:10px;
  padding:14px;
  background:linear-gradient(180deg, rgba(20,27,66,.98), rgba(11,16,48,.98));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.nav-drawer.is-open{display:block;}
.nav-drawer .drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.nav-drawer .nav-card{height:56px;justify-content:flex-start;background:rgba(255,255,255,.03);border-color:var(--c-line);}
.nav-drawer .drawer-cta{margin-top:12px;}
.nav-drawer .drawer-cta .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  cursor:pointer;
  transition:transform .16s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:linear-gradient(135deg,#7C88FF,#5C6BFF);
  color:#08102C;
  box-shadow:0 14px 30px -16px rgba(110,123,255,.95);
}
.btn-primary:hover{color:#08102C;filter:brightness(1.07);transform:translateY(-1px);}
.btn-outline{
  background:transparent;
  border-color:var(--c-line-strong);
  color:var(--c-text);
}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:#D7DCFF;transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  color:var(--c-text-2);
  padding:0 6px;
  height:40px;
}
.btn-ghost:hover{color:var(--c-primary);}
.btn-promo{
  background:var(--c-promo);
  color:#2A1A00;
  box-shadow:0 12px 26px -14px rgba(255,180,61,.9);
}
.btn-promo:hover{color:#2A1A00;filter:brightness(1.05);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
  white-space:nowrap;
}
.badge-primary{background:var(--c-primary-soft);color:#AFB8FF;border:1px solid rgba(110,123,255,.4);}
.badge-accent{background:var(--c-accent-soft);color:#8FF0E1;border:1px solid rgba(56,225,200,.36);}
.badge-promo{background:rgba(255,180,61,.16);color:#FFD08A;border:1px solid rgba(255,180,61,.4);}
.badge-plain{background:rgba(255,255,255,.04);color:var(--c-text-2);border:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 6px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-3);}
.crumbs a{color:var(--c-text-2);}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline;}
.crumbs .sep{color:var(--c-text-3);opacity:.7;}
.crumbs .now{color:var(--c-text);font-weight:600;}

/* ---------- 板块 ---------- */
.section{padding:var(--gap-section) 0 0;}
.section:last-of-type{padding-bottom:var(--gap-section);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--c-accent);font-weight:600;margin-bottom:12px;
}
.section-head p{margin:0;font-size:16px;color:var(--c-text-2);}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:18px;
  padding:56px 0 60px;
  border:1px solid var(--c-line);
  border-radius:22px;
  overflow:hidden;
  background-image:
    linear-gradient(115deg, rgba(5,8,26,.96) 8%, rgba(9,14,42,.86) 52%, rgba(9,14,42,.62) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.hero-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;}
.hero .tag-row{margin-bottom:18px;}
.hero h1{margin-bottom:16px;}
.hero .lead{font-size:18px;color:#CDD5FF;font-weight:600;margin-bottom:12px;line-height:1.6;}
.hero .desc{font-size:16px;color:var(--c-text-2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-marks{display:flex;flex-wrap:wrap;gap:10px;}
.hero-mark{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.hero-mark i{color:var(--c-accent);}
.hero-media{
  position:relative;
  border-radius:18px;
  border:1px solid var(--c-line);
  background:linear-gradient(180deg, rgba(28,36,85,.9), rgba(11,16,48,.92));
  box-shadow:var(--shadow);
  padding:20px;
}
.hero-media .media-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.hero-media .media-head span{font-size:13px;color:var(--c-text-3);}
.media-rows{display:grid;gap:10px;}
.media-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--c-line);
}
.media-row i{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:var(--c-primary-soft);color:#AFB8FF;font-size:14px;}
.media-row .mr-title{font-size:14.5px;color:var(--c-text);font-weight:600;}
.media-row .mr-sub{font-size:12.5px;color:var(--c-text-3);}
.media-row.ok i{background:var(--c-accent-soft);color:var(--c-accent);}

/* ---------- 图标网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
  background:linear-gradient(180deg, rgba(28,36,85,.72), rgba(20,27,66,.72));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--c-line-strong);box-shadow:var(--shadow-hover);background:linear-gradient(180deg, rgba(32,41,94,.8), rgba(22,30,72,.8));}
.icon-card{display:flex;flex-direction:column;gap:12px;}
.icon-card .ico{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  font-size:19px;
  color:var(--c-accent);
  background:var(--c-accent-soft);
  border:1px solid rgba(56,225,200,.26);
}
.icon-card h3{font-size:18px;margin-bottom:6px;}
.icon-card p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.75;}

/* ---------- 图文说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;}
.figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.figure img{width:100%;height:100%;object-fit:cover;}
.figure .figure-cap{
  position:absolute;left:14px;bottom:14px;right:14px;
  padding:10px 14px;
  border-radius:12px;
  background:rgba(5,8,26,.78);
  border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.check-list{display:grid;gap:14px;margin:22px 0 26px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--c-text-2);line-height:1.7;}
.check-list li i{
  flex:0 0 auto;
  width:24px;height:24px;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  font-size:11px;
  color:#04121A;
  background:var(--c-accent);
}
.check-list li strong{color:var(--c-text);font-weight:600;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg, rgba(110,123,255,.85), rgba(56,225,200,.5), rgba(110,123,255,.06));
  border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:6px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-bg-0);
  border:3px solid var(--c-primary);
  box-shadow:0 0 0 4px rgba(110,123,255,.14);
}
.timeline-item .tl-step{font-size:12.5px;letter-spacing:1.4px;color:var(--c-text-3);font-weight:600;}
.timeline-item h3{margin:6px 0 8px;font-size:19px;}
.timeline-item p{margin:0;font-size:15px;color:var(--c-text-2);max-width:660px;}
.timeline-wrap{
  display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:start;
}
.side-card{
  background:linear-gradient(180deg, rgba(28,36,85,.8), rgba(20,27,66,.8));
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow);
}
.side-card h3{font-size:18px;margin-bottom:14px;}
.side-card .side-row{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed rgba(150,170,255,.16);font-size:14.5px;color:var(--c-text-2);}
.side-card .side-row:last-of-type{border-bottom:0;}
.side-card .side-row i{color:var(--c-primary);margin-top:4px;}
.side-card .btn{width:100%;margin-top:16px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--c-line);
  border-radius:14px;
  background:linear-gradient(180deg, rgba(28,36,85,.6), rgba(20,27,66,.6));
  overflow:hidden;
  transition:border-color .18s ease,background .18s ease;
}
.faq-item[open]{border-color:rgba(110,123,255,.5);background:linear-gradient(180deg, rgba(30,39,94,.85), rgba(20,27,66,.85));border-left:3px solid var(--c-primary);}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--c-line-strong);
  color:var(--c-primary);
  font-size:12px;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--c-primary-soft);}
.faq-item .faq-body{padding:0 22px 22px;font-size:15.5px;line-height:1.85;color:var(--c-text-2);}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:28px;
  align-items:center;
  padding:38px 40px;
  border-radius:20px;
  border:1px solid rgba(110,123,255,.36);
  background-image:
    linear-gradient(120deg, rgba(11,16,48,.95) 0%, rgba(28,36,85,.86) 58%, rgba(11,16,48,.92) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cta-banner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-banner p{margin:0;color:var(--c-text-2);font-size:15.5px;}
.cta-banner .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--gap-section);
  padding:56px 0 26px;
  background:linear-gradient(180deg, rgba(11,16,48,.5), rgba(5,8,26,.96));
  border-top:1px solid var(--c-line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px;border-radius:11px;}
.footer-brand strong{font-size:16.5px;letter-spacing:.3px;}
.site-footer p{font-size:14.5px;color:var(--c-text-2);max-width:330px;line-height:1.75;}
.site-footer h4{font-size:15px;color:var(--c-text);margin-bottom:14px;letter-spacing:.5px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--c-text-2);font-size:14.5px;}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-contact{display:grid;gap:10px;font-size:14.5px;color:var(--c-text-2);}
.footer-contact span{display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--c-accent);font-size:13px;}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--gap-section:72px;}
  .nav-cards{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;gap:30px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .timeline-wrap{grid-template-columns:1fr;gap:28px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-banner{grid-template-columns:1fr;padding:30px 26px;}
  .cta-banner .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .hero{padding:38px 0 42px;border-radius:18px;}
  .hero .desc{font-size:15.5px;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .card{padding:20px;}
  .faq-item summary{padding:16px 16px;font-size:15.5px;}
  .faq-item .faq-body{padding:0 16px 18px;}
  .section{padding:64px 0 0;}
  .site-footer{padding:44px 0 22px;}
}
@media (max-width:520px){
  .site-container{padding-left:16px;padding-right:16px;}
  .nav-panel{padding:10px 12px;gap:10px;}
  .brand-text em{display:none;}
  .brand-mark{width:40px;height:40px;font-size:17px;}
  .brand-text strong{font-size:15px;}
  .nav-drawer .drawer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-banner .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}