/* roulang page: index */
:root{
  --bg-0:#050D18;
  --bg-1:#081827;
  --surface:#0D2135;
  --surface-2:#112A42;
  --brand:#2DB7FF;
  --brand-deep:#0E7CFF;
  --cyan:#5EF2D6;
  --amber:#FFB454;
  --text:#EAF4FF;
  --muted:#94A9C0;
  --border:rgba(126,196,255,.18);
  --border-strong:rgba(126,196,255,.34);
  --danger:#FF7A8A;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --shadow-glow:0 0 0 1px rgba(45,183,255,.45),0 10px 30px rgba(14,124,255,.32);
  --container:1200px;
  --space-section:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::selection{background:rgba(45,183,255,.35);}
h1,h2,h3,h4{font-family:inherit;color:var(--text);margin:0;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--cyan);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:rgba(6,18,31,.94);
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--muted);
}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:36px;
}
.topbar__domain{color:#BBD6F0;font-weight:600;letter-spacing:.02em;font-family:"Inter","Manrope",system-ui,sans-serif;}
.topbar__note{flex:1;text-align:center;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__links{display:flex;align-items:center;gap:18px;}
.topbar__links a{color:#B9D2EA;font-size:13px;border-bottom:1px solid transparent;}
.topbar__links a:hover{color:var(--cyan);border-bottom-color:rgba(94,242,214,.6);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,20,34,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.2;color:var(--text);flex-shrink:0;}
.brand__mark{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand__mark em{font-style:normal;color:var(--brand);}
.brand__sub{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.04em;}
.brand:hover{color:var(--text);}
.nav__menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav__link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;font-weight:600;color:#C3D6E9;
  border-radius:10px;
}
.nav__link:hover{color:#fff;background:rgba(45,183,255,.1);}
.nav__link.is-active{color:#fff;}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--cyan));
  box-shadow:0 0 12px rgba(45,183,255,.8);
}
.nav__cta{margin-left:8px;flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  background:rgba(45,183,255,.08);
  border:1px solid var(--border);
  padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:#CFE6FA;transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:.85rem 1.4rem;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
  box-shadow:var(--shadow-glow);
}
.btn--primary:hover{
  color:#fff;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(94,242,214,.5),0 14px 36px rgba(14,124,255,.45);
}
.btn--primary:active{transform:translateY(0);filter:brightness(.98);}
.btn--ghost{
  background:transparent;color:#D8EBFB;
  border-color:var(--border-strong);
}
.btn--ghost:hover{
  color:#fff;border-color:var(--cyan);
  background:rgba(94,242,214,.08);
}
.btn--block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  font-size:12px;font-weight:600;line-height:1.6;
  color:#A8E4FF;
  background:rgba(45,183,255,.12);
  border:1px solid rgba(45,183,255,.3);
  border-radius:999px;
}
.badge--amber{color:#FFD79B;background:rgba(255,180,84,.12);border-color:rgba(255,180,84,.34);}
.badge--cyan{color:#9BF6E4;background:rgba(94,242,214,.1);border-color:rgba(94,242,214,.3);}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 68px;background:var(--bg-0);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.22;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 18%,rgba(45,183,255,.22),transparent 55%),
    radial-gradient(circle at 8% 90%,rgba(94,242,214,.12),transparent 50%),
    linear-gradient(180deg,rgba(5,13,24,.55) 0%,rgba(5,13,24,.92) 70%,var(--bg-0) 100%);
}
.hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:22px;
  font-size:13px;font-weight:600;color:#A9DFFF;
  background:rgba(45,183,255,.1);
  border:1px solid rgba(45,183,255,.26);
  border-radius:999px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(94,242,214,.9);}
.hero h1{
  font-size:clamp(2.05rem,4.6vw,3.6rem);
  font-weight:800;line-height:1.18;
  margin:0 0 20px;
  color:#F4FAFF;
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--brand) 10%,var(--cyan) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{font-size:clamp(1rem,1.4vw,1.125rem);color:#BACFDF;max-width:520px;margin-bottom:30px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero__facts{display:flex;flex-wrap:wrap;gap:36px;}
.hero__facts li{display:flex;flex-direction:column;}
.hero__facts strong{font-size:26px;font-weight:800;color:#fff;line-height:1.2;font-family:"Inter","Manrope",system-ui,sans-serif;}
.hero__facts span{font-size:13px;color:var(--muted);margin-top:4px;}

.entry-card{
  background:rgba(13,33,53,.7);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow);
}
.entry-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.entry-card__title{font-size:15px;font-weight:700;color:#E7F3FF;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:#9BF6E4;
  padding:4px 11px;border-radius:999px;
  background:rgba(94,242,214,.1);border:1px solid rgba(94,242,214,.3);
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(94,242,214,.9);}
.entry-row{
  display:flex;align-items:center;gap:14px;
  padding:14px 14px;
  border-radius:14px;
  background:rgba(17,42,66,.72);
  border:1px solid rgba(126,196,255,.12);
  margin-bottom:12px;
  color:var(--text);
  transition:border-color .22s ease,transform .22s ease,background-color .22s ease;
}
.entry-row:last-of-type{margin-bottom:0;}
.entry-row:hover{
  transform:translateY(-2px);
  border-color:var(--border-strong);
  background:rgba(23,54,84,.9);
  color:#fff;
}
.entry-row__icon{
  flex-shrink:0;width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-family:"Inter","Manrope",system-ui,sans-serif;
  color:#B6E6FF;background:rgba(45,183,255,.14);
  border:1px solid rgba(45,183,255,.26);
}
.entry-row__body{display:flex;flex-direction:column;min-width:0;}
.entry-row__body strong{font-size:14.5px;font-weight:700;color:#EAF4FF;}
.entry-row__body small{font-size:12.5px;color:var(--muted);margin-top:2px;}
.entry-row__arrow{margin-left:auto;color:var(--brand);font-size:16px;transition:transform .22s ease;}
.entry-row:hover .entry-row__arrow{transform:translateX(3px);}
.entry-card__foot{
  margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.7;
  padding-top:14px;border-top:1px dashed rgba(126,196,255,.16);
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--space-section) 0;}
.section--tight{padding:56px 0;}
.section--alt{background:linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 40%,var(--bg-0) 100%);}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:36px;
}
.section__title{font-size:clamp(1.55rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;}
.section__desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.section__link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(45,183,255,.35);
  padding-bottom:2px;
}
.section__link:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.section__link i{font-style:normal;transition:transform .2s ease;}
.section__link:hover i{transform:translateX(3px);}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 16px;font-size:13.5px;font-weight:600;color:#B9CFE2;
  border-radius:999px;border:1px solid var(--border);
  background:rgba(17,42,66,.6);
  transition:all .2s ease;
}
.chip:hover,.chip.is-active{
  color:#fff;border-color:rgba(45,183,255,.55);
  background:rgba(45,183,255,.14);
  box-shadow:0 0 0 1px rgba(45,183,255,.2),0 8px 22px rgba(14,124,255,.18);
}

/* ---------- 热门入口网格 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:22px;}
.span-7{grid-column:span 7;}
.span-5{grid-column:span 5;}
.span-6{grid-column:span 6;}
.entry-tile{
  display:flex;flex-direction:column;
  background:rgba(13,33,53,.78);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.entry-tile:hover{
  transform:translateY(-2px);
  border-color:var(--border-strong);
  box-shadow:0 0 0 1px rgba(45,183,255,.18),0 14px 34px rgba(0,0,0,.32);
  color:var(--text);
}
.entry-tile--row{flex-direction:row;gap:22px;align-items:center;}
.entry-tile--row .entry-tile__media{flex:0 0 44%;}
.entry-tile__media{
  overflow:hidden;border-radius:14px;aspect-ratio:16/10;
  background:linear-gradient(135deg,#0B1D2F,#123049);
  margin-bottom:18px;
}
.entry-tile--row .entry-tile__media{margin-bottom:0;}
.entry-tile__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.entry-tile:hover .entry-tile__media img{transform:scale(1.03);}
.entry-tile__content{display:flex;flex-direction:column;gap:10px;min-width:0;}
.entry-tile__index{
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:#7CC6EE;font-family:"Inter","Manrope",system-ui,sans-serif;
}
.entry-tile h3{font-size:1.125rem;font-weight:700;line-height:1.45;}
.entry-tile p{font-size:14px;color:var(--muted);line-height:1.75;}
.entry-tile__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px;}
.entry-tile__go{font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:5px;}
.entry-tile:hover .entry-tile__go{color:var(--cyan);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;grid-auto-flow:dense;}
.news-card{
  display:flex;flex-direction:column;
  background:rgba(13,33,53,.78);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{
  transform:translateY(-2px);
  border-color:var(--border-strong);
  box-shadow:0 0 0 1px rgba(45,183,255,.18),0 14px 34px rgba(0,0,0,.32);
  color:var(--text);
}
.news-card--lead{grid-column:span 2;}
.news-card__thumb{
  display:block;overflow:hidden;border-radius:14px;aspect-ratio:16/9;
  margin-bottom:18px;background:linear-gradient(135deg,#0B1D2F,#123049);
}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-card__thumb img{transform:scale(1.03);}
.news-card__body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.news-card__title{font-size:1.0625rem;font-weight:700;line-height:1.5;}
.news-card--lead .news-card__title{font-size:1.3rem;}
.news-card__desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;
  border-top:1px solid rgba(126,196,255,.12);
  font-size:12.5px;color:#7F97AE;
}
.news-meta time{font-family:"Inter","Manrope",system-ui,sans-serif;letter-spacing:.02em;}
.news-more{color:var(--brand);font-weight:600;}
.news-card:hover .news-more{color:var(--cyan);}
.empty-state{
  min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px 20px;
  border:1px dashed rgba(126,196,255,.24);
  border-radius:var(--radius);
  background:rgba(13,33,53,.45);
}
.empty-state svg{width:38px;height:38px;stroke:#4E6C88;fill:none;stroke-width:1.5;}
.empty-state p{font-size:14.5px;color:var(--muted);}
.empty-state .btn{padding:.6rem 1.1rem;font-size:13.5px;}

/* ---------- 评价轮播 ---------- */
.quotes-wrap{position:relative;}
.quotes{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  scrollbar-width:thin;
}
.quotes::-webkit-scrollbar{height:6px;}
.quotes::-webkit-scrollbar-thumb{background:rgba(45,183,255,.3);border-radius:3px;}
.quote-card{
  flex:0 0 340px;scroll-snap-align:start;
  display:flex;flex-direction:column;gap:16px;
  padding:24px;
  background:rgba(13,33,53,.66);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.quote-card__mark{
  font-size:34px;line-height:1;font-weight:800;color:rgba(45,183,255,.45);
  font-family:Georgia,serif;height:22px;
}
.quote-card__text{font-size:14.5px;line-height:1.85;color:#C8DCEB;}
.quote-card__foot{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid rgba(126,196,255,.12);}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#04121F;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
}
.quote-card__who{display:flex;flex-direction:column;min-width:0;}
.quote-card__who strong{font-size:13.5px;font-weight:700;color:#EAF4FF;}
.quote-card__who small{font-size:12px;color:var(--muted);}
.quote-card .badge{margin-left:auto;}
.quotes-ctrl{display:flex;gap:10px;justify-content:flex-end;margin-top:6px;}
.quotes-btn{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--border-strong);color:#CFE6FA;
  font-size:16px;transition:all .2s ease;
}
.quotes-btn:hover{border-color:var(--cyan);color:#fff;box-shadow:0 0 0 1px rgba(94,242,214,.35),0 8px 22px rgba(14,124,255,.2);}

/* ---------- 保障条 ---------- */
.assure{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:rgba(13,33,53,.6);
}
.assure__item{
  padding:28px 24px;
  border-right:1px solid rgba(126,196,255,.12);
  display:flex;flex-direction:column;gap:10px;
}
.assure__item:last-child{border-right:0;}
.assure__icon{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(45,183,255,.1);border:1px solid rgba(45,183,255,.24);
}
.assure__icon svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.assure__item h3{font-size:15.5px;font-weight:700;}
.assure__item p{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  padding:44px 48px;
  background:linear-gradient(120deg,rgba(14,124,255,.2),rgba(45,183,255,.08) 55%,rgba(94,242,214,.1));
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.14;
}
.cta-band__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;line-height:1.35;margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:#BED4E6;max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq__item{
  background:rgba(13,33,53,.62);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq__item[open]{border-color:rgba(45,183,255,.4);box-shadow:0 0 0 1px rgba(45,183,255,.14);}
.faq__item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  font-size:1.0625rem;font-weight:600;color:#EAF4FF;
  cursor:pointer;
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{
  content:"+";flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;color:var(--brand);
  border:1px solid rgba(45,183,255,.35);
  background:rgba(45,183,255,.1);
  transition:transform .25s ease,color .25s ease;
}
.faq__item[open] summary::after{content:"+";transform:rotate(45deg);color:var(--cyan);border-color:rgba(94,242,214,.45);}
.faq__body{padding:0 22px 22px;font-size:14.5px;line-height:1.85;color:#B9CEDF;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#040B14;
  border-top:1px solid var(--border);
  padding-top:56px;
  margin-top:8px;
}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:36px;padding-bottom:44px;
}
.footer__brand p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-top:14px;max-width:340px;}
.brand--footer .brand__mark{font-size:17px;}
.footer__col h4{font-size:14px;font-weight:700;color:#DDEBF8;margin-bottom:16px;}
.footer__col a{
  display:block;font-size:13.5px;color:var(--muted);
  padding:5px 0;border-bottom:1px solid transparent;width:fit-content;
}
.footer__col a:hover{color:var(--cyan);border-bottom-color:rgba(94,242,214,.5);}
.footer__col p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-bottom:6px;}
.footer__top{
  display:inline-flex;align-items:center;gap:6px;margin-top:8px;
  font-size:13.5px;font-weight:600;color:var(--brand);
}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(126,196,255,.12);
  font-size:12.5px;color:#6F869C;
}
.footer__bottom .sep{opacity:.4;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space-section:60px;}
  .topbar__note{display:none;}
  .nav{flex-wrap:wrap;min-height:64px;}
  .nav-toggle{display:block;}
  .nav__menu{
    display:none;
    order:3;width:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0 0 16px;padding-top:8px;
    border-top:1px solid rgba(126,196,255,.14);
  }
  .nav__menu.is-open{display:flex;}
  .nav__link{padding:14px 12px;font-size:16px;border-radius:10px;}
  .nav__link.is-active::after{display:none;}
  .nav__link.is-active{background:rgba(45,183,255,.14);color:#fff;}
  .nav__cta{display:none;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .hero{padding:52px 0 56px;}
  .entry-grid .span-7,.entry-grid .span-5{grid-column:span 6;}
  .entry-tile--row{flex-direction:column;align-items:stretch;}
  .entry-tile--row .entry-tile__media{flex:none;margin-bottom:18px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-card--lead{grid-column:span 2;}
  .assure{grid-template-columns:repeat(2,minmax(0,1fr));}
  .assure__item:nth-child(2){border-right:0;}
  .assure__item:nth-child(-n+2){border-bottom:1px solid rgba(126,196,255,.12);}
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:34px 28px;}
}
@media (max-width:640px){
  :root{--space-section:46px;}
  .container{padding:0 16px;}
  .topbar{font-size:12px;}
  .topbar__links{gap:12px;}
  .topbar__links a:first-child{display:none;}
  .hero{padding:42px 0 44px;}
  .hero h1{font-size:clamp(1.75rem,7.4vw,2.35rem);}
  .hero__lead{font-size:15px;}
  .hero__actions{width:100%;}
  .hero__actions .btn{flex:1 1 100%;}
  .hero__facts{gap:22px;}
  .hero__facts strong{font-size:22px;}
  .entry-grid{grid-template-columns:1fr;gap:16px;}
  .entry-grid .span-7,.entry-grid .span-5,.entry-grid .span-6{grid-column:span 1;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-column:span 1;}
  .news-card--lead .news-card__title{font-size:1.1rem;}
  .quote-card{flex:0 0 84%;}
  .assure{grid-template-columns:1fr;}
  .assure__item{border-right:0;border-bottom:1px solid rgba(126,196,255,.12);}
  .assure__item:last-child{border-bottom:0;}
  .cta-band{padding:28px 20px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .footer__grid{grid-template-columns:1fr;gap:26px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section__head{margin-bottom:26px;}
}

/* roulang page: article */
:root{
  --bg-0:#050D18;
  --bg-1:#081827;
  --surface:#0D2135;
  --surface-2:#112A42;
  --primary:#2DB7FF;
  --primary-deep:#0E7CFF;
  --mint:#5EF2D6;
  --amber:#FFB454;
  --text:#EAF4FF;
  --muted:#94A9C0;
  --line:rgba(126,196,255,.18);
  --line-strong:rgba(126,196,255,.34);
  --danger:#FF7A8A;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --shadow-soft:0 4px 16px rgba(0,0,0,.18);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Inter,Manrope,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  position:relative;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -12%, rgba(45,183,255,.18), transparent 62%),
    radial-gradient(760px 520px at 92% -6%, rgba(94,242,214,.10), transparent 60%),
    linear-gradient(180deg,#050D18 0%,#081827 46%,#050D18 100%);
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
h1,h2,h3,h4,h5,h6{color:var(--text);font-weight:700;line-height:1.25;}
ul,ol{padding-left:1.25em;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--mint);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.container--wide{max-width:1280px;}

/* ===== 顶部信息条 ===== */
.topbar{
  background:rgba(5,13,24,.86);
  border-bottom:1px solid var(--line);
  font-size:.8125rem;
  color:var(--muted);
  position:relative;
  z-index:30;
  backdrop-filter:blur(10px);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:36px;
}
.topbar__domain{
  color:var(--text);
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.topbar__note{
  flex:1;
  text-align:center;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.topbar__links{
  display:flex;
  align-items:center;
  gap:14px;
  white-space:nowrap;
}
.topbar__links a{color:var(--muted);font-weight:600;}
.topbar__links a:hover{color:var(--mint);}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:25;
  background:rgba(8,24,39,.82);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.nav{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  text-decoration:none;
  flex-shrink:0;
}
.brand__mark{
  font-size:1.125rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:.02em;
  line-height:1.2;
}
.brand__mark em{
  font-style:normal;
  font-weight:600;
  color:var(--primary);
  font-size:.9375rem;
  margin-left:2px;
}
.brand__sub{
  font-size:.75rem;
  color:var(--muted);
  letter-spacing:.04em;
}
.nav__menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-radius:10px;
  color:var(--muted);
  font-size:.9375rem;
  font-weight:600;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav__link:hover{color:var(--text);background:rgba(45,183,255,.10);}
.nav__link.is-active{color:var(--text);}
.nav__link.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--mint));
  box-shadow:0 0 10px rgba(45,183,255,.7);
}
.nav__cta{margin-left:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(17,42,66,.7);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:.8rem 1.35rem;
  border-radius:var(--radius-sm);
  font-size:.9375rem;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  text-align:center;
}
.btn--primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#04121F;
  font-weight:700;
  box-shadow:0 0 0 1px rgba(45,183,255,.5),0 10px 26px rgba(14,124,255,.32);
}
.btn--primary:hover{
  color:#04121F;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(94,242,214,.6),0 14px 34px rgba(14,124,255,.46);
}
.btn--ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn--ghost:hover{
  border-color:var(--mint);
  background:rgba(94,242,214,.08);
  color:var(--text);
  transform:translateY(-1px);
}
.btn--soft{
  background:rgba(45,183,255,.12);
  border-color:rgba(45,183,255,.3);
  color:#CFE9FF;
}
.btn--soft:hover{background:rgba(45,183,255,.2);color:#fff;transform:translateY(-1px);}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:.8125rem;
  color:var(--muted);
  padding-top:26px;
  padding-bottom:6px;
}
.breadcrumb a{color:var(--muted);font-weight:600;}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text);}

/* ===== 文章头部 ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 316px;
  gap:44px;
  align-items:start;
  padding:22px 0 0;
}
.article-head{
  padding:18px 0 28px;
  border-bottom:1px solid var(--line);
  margin-bottom:32px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:.28rem .7rem;
  border-radius:999px;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid var(--line);
  background:rgba(17,42,66,.72);
  color:var(--muted);
}
.badge--cat{
  color:#BFE8FF;
  border-color:rgba(45,183,255,.38);
  background:rgba(45,183,255,.14);
}
.badge--live{
  color:#9BF6E5;
  border-color:rgba(94,242,214,.34);
  background:rgba(94,242,214,.1);
}
.badge--amber{
  color:#FFD8A6;
  border-color:rgba(255,180,84,.34);
  background:rgba(255,180,84,.12);
}
.article-head h1{
  font-size:clamp(1.75rem,3.4vw,2.625rem);
  font-weight:800;
  line-height:1.25;
  margin:16px 0 0;
  letter-spacing:.005em;
}
.article-head__desc{
  margin-top:16px;
  color:var(--muted);
  font-size:1rem;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  max-width:800px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:20px;
  font-size:.8125rem;
  color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--primary);font-size:.8125rem;}

/* ===== 正文排版 ===== */
.article-body{
  max-width:800px;
  font-size:1.0625rem;
  line-height:1.9;
  color:#DCEAF8;
  overflow-x:auto;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1em;}
.article-body h2{
  position:relative;
  font-size:clamp(1.35rem,2.4vw,1.625rem);
  font-weight:700;
  margin:2em 0 .75em;
  padding-left:16px;
  color:var(--text);
  line-height:1.4;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  bottom:.3em;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--mint));
  box-shadow:0 0 12px rgba(45,183,255,.6);
}
.article-body h3{
  font-size:1.25rem;
  font-weight:700;
  margin:1.7em 0 .6em;
  color:#F2F9FF;
}
.article-body h4{
  font-size:1.0625rem;
  font-weight:700;
  margin:1.4em 0 .5em;
  color:#F2F9FF;
}
.article-body ul,.article-body ol{
  margin:0 0 1.1em;
  padding-left:1.35em;
}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--primary);}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(45,183,255,.45);
  padding-bottom:1px;
}
.article-body a:hover{color:var(--mint);border-bottom-color:var(--mint);}
.article-body strong{color:#FFFFFF;font-weight:700;}
.article-body code{
  background:rgba(45,183,255,.12);
  border:1px solid rgba(45,183,255,.22);
  border-radius:6px;
  padding:.1em .4em;
  font-size:.9em;
  color:#BFE8FF;
}
.article-body blockquote{
  margin:1.5em 0;
  padding:18px 22px;
  border-left:3px solid var(--mint);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(17,42,66,.6);
  color:#D3E6F7;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:14px;
  margin:1.6em 0;
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:.8125rem;
  color:var(--muted);
  text-align:center;
  margin-top:10px;
}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:2.2em 0;
}
.article-body table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.9375rem;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{
  background:rgba(17,42,66,.9);
  color:#EAF4FF;
  font-weight:700;
}
.article-body tr:nth-child(even) td{background:rgba(13,33,53,.55);}

/* ===== 正文空态 ===== */
.empty-article{
  max-width:800px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);
  background:rgba(13,33,53,.55);
  padding:48px 28px;
  text-align:center;
}
.empty-article i{
  font-size:2rem;
  color:var(--muted);
  opacity:.7;
}
.empty-article h2{
  font-size:1.25rem;
  margin:16px 0 8px;
}
.empty-article p{
  color:var(--muted);
  font-size:.9375rem;
  margin-bottom:22px;
}

/* ===== 文末操作 ===== */
.article-end{
  max-width:800px;
  margin-top:40px;
  padding:22px 24px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(140deg,rgba(17,42,66,.85),rgba(13,33,53,.7));
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.article-end p{
  font-size:.9375rem;
  color:var(--muted);
  margin:0;
}
.article-end__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 侧栏 ===== */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(13,33,53,.78);
  padding:20px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(12px);
}
.side-card__title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.9375rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.side-card__title i{color:var(--primary);}
.toc__list{display:flex;flex-direction:column;gap:2px;}
.toc__link{
  display:block;
  padding:7px 10px;
  border-radius:8px;
  font-size:.875rem;
  color:var(--muted);
  border-left:2px solid transparent;
  line-height:1.5;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc__link:hover{
  color:var(--text);
  background:rgba(45,183,255,.1);
  border-left-color:var(--primary);
}
.toc__link--sub{padding-left:22px;font-size:.8125rem;}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 10px;
  border-radius:10px;
  font-size:.875rem;
  color:#CFE0F1;
  font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-links a:hover{
  background:rgba(45,183,255,.12);
  color:#FFFFFF;
  transform:translateX(2px);
}
.side-links i{color:var(--primary);font-size:.75rem;}
.side-note{
  font-size:.8125rem;
  line-height:1.8;
  color:var(--muted);
}
.side-note + .side-note{margin-top:10px;}
.side-dot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:#9BF6E5;
  font-weight:600;
  margin-bottom:10px;
}
.side-dot::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(94,242,214,.16),0 0 10px rgba(94,242,214,.8);
}

/* ===== 移动端目录 ===== */
.mobile-toc{display:none;}
.mobile-toc__inner{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(13,33,53,.8);
  padding:12px 16px;
  margin-bottom:26px;
}
.mobile-toc summary{
  cursor:pointer;
  font-weight:700;
  font-size:.9375rem;
  color:var(--text);
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:32px;
}
.mobile-toc summary::-webkit-details-marker{display:none;}
.mobile-toc summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:.75rem;
  color:var(--primary);
  transition:transform .2s ease;
}
.mobile-toc[open] summary::after{transform:rotate(180deg);}
.mobile-toc .toc__list{margin-top:10px;}

/* ===== 相关推荐 ===== */
.related{
  margin-top:56px;
  padding-top:44px;
  border-top:1px solid var(--line);
}
.related__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
  flex-wrap:wrap;
}
.related__head h2{
  font-size:clamp(1.3rem,2.4vw,1.625rem);
  font-weight:700;
}
.related__head p{font-size:.875rem;color:var(--muted);margin-top:6px;}
.related__grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(13,33,53,.82);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rec-card:hover{
  transform:translateY(-2px);
  border-color:rgba(94,242,214,.4);
  box-shadow:0 14px 34px rgba(0,0,0,.32);
}
.rec-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(140deg,#0D2135,#112A42);
}
.rec-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
  opacity:.9;
}
.rec-card:hover .rec-card__media img{transform:scale(1.04);}
.rec-card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-card__body h3{
  font-size:1.0625rem;
  font-weight:700;
  line-height:1.45;
}
.rec-card__body p{
  font-size:.875rem;
  color:var(--muted);
  line-height:1.7;
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-card__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:.8125rem;
  color:var(--muted);
  margin-top:2px;
}
.rec-card__foot .more{color:var(--primary);font-weight:600;}
.rec-card:hover .rec-card__foot .more{color:var(--mint);}

/* ===== 底部 CTA ===== */
.cta-band{
  margin:72px 0 0;
  padding-bottom:80px;
}
.cta-panel{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(45,183,255,.28);
  border-radius:var(--radius-lg);
  background:
    linear-gradient(120deg,rgba(14,124,255,.22),rgba(94,242,214,.08) 70%),
    rgba(13,33,53,.9);
  padding:44px 40px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  backdrop-filter:blur(14px);
  box-shadow:0 0 0 1px rgba(45,183,255,.08),0 20px 50px rgba(0,0,0,.34);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-100px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(45,183,255,.28),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:clamp(1.4rem,2.6vw,1.875rem);
  font-weight:800;
  margin-bottom:10px;
}
.cta-panel p{
  color:var(--muted);
  font-size:.9375rem;
  max-width:560px;
}
.cta-panel__actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:#040B14;
  padding:56px 0 26px;
  position:relative;
  z-index:1;
  margin-top:0;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.brand--footer{margin-bottom:16px;}
.footer__brand p{
  font-size:.875rem;
  color:var(--muted);
  line-height:1.85;
  max-width:360px;
}
.footer__col h4{
  font-size:.9375rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.footer__col a,
.footer__col p{
  display:block;
  font-size:.875rem;
  color:var(--muted);
  margin-bottom:10px;
  line-height:1.7;
}
.footer__col a:hover{color:var(--mint);}
.footer__top{color:#CFE0F1 !important;font-weight:600;}
.footer__bottom{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding-top:22px;
  font-size:.8125rem;
  color:var(--muted);
}
.footer__bottom .sep{opacity:.5;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav__menu{
    position:fixed;
    left:0;
    right:0;
    top:calc(36px + 72px);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:14px 20px 24px;
    background:rgba(8,24,39,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(0,0,0,.45);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    max-height:calc(100vh - 108px);
    overflow-y:auto;
    margin-left:0;
  }
  .nav__menu.is-open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
    pointer-events:auto;
  }
  .nav__link{
    min-height:50px;
    padding:0 12px;
    font-size:1rem;
    border-bottom:1px solid rgba(126,196,255,.1);
    border-radius:0;
  }
  .nav__link.is-active::after{display:none;}
  .nav__link.is-active{color:var(--primary);background:rgba(45,183,255,.1);}
  .nav-toggle{display:flex;}
  .nav__cta{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .mobile-toc{display:block;}
  .related__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:minmax(0,1fr);padding:34px 28px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .topbar__note{display:none;}
  .topbar__inner{height:34px;}
  .topbar__links{gap:10px;}
  .nav{min-height:64px;padding-top:8px;padding-bottom:8px;}
  .brand__mark{font-size:1rem;}
  .brand__mark em{font-size:.875rem;}
  .brand__sub{font-size:.6875rem;}
  .nav__menu{top:calc(34px + 64px);}
  .breadcrumb{padding-top:18px;font-size:.75rem;}
  .article-head{padding:10px 0 22px;margin-bottom:24px;}
  .article-head h1{font-size:1.5rem;margin-top:12px;}
  .article-head__desc{font-size:.9375rem;}
  .article-body{font-size:1rem;line-height:1.85;}
  .article-body h2{font-size:1.25rem;}
  .article-body h3{font-size:1.125rem;}
  .article-end{flex-direction:column;align-items:flex-start;padding:20px;}
  .article-end__actions{width:100%;}
  .article-end__actions .btn{width:100%;}
  .related{margin-top:44px;padding-top:32px;}
  .related__grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{margin-top:52px;padding-bottom:56px;}
  .cta-panel{padding:28px 20px;border-radius:var(--radius);}
  .cta-panel__actions{width:100%;}
  .cta-panel__actions .btn{width:100%;}
  .footer__grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:44px 0 22px;}
  .empty-article{padding:36px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#050D18;
  --bg-soft:#081827;
  --surface:#0D2135;
  --surface-2:#112A42;
  --primary:#2DB7FF;
  --primary-deep:#0E7CFF;
  --cyan:#5EF2D6;
  --amber:#FFB454;
  --text:#EAF4FF;
  --muted:#94A9C0;
  --line:rgba(126,196,255,.18);
  --line-strong:rgba(126,196,255,.34);
  --error:#FF7A8A;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Manrope","Helvetica Neue",Arial,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:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 620px at 84% -10%, rgba(45,183,255,.16), transparent 62%),
    radial-gradient(760px 540px at 4% 2%, rgba(94,242,214,.09), transparent 60%),
    linear-gradient(180deg, #050D18 0%, #061120 46%, #050D18 100%);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ============ 顶部信息条 ============ */
.topbar{
  position:relative;
  z-index:60;
  background:rgba(6,17,30,.92);
  border-bottom:1px solid rgba(126,196,255,.12);
  font-size:.8125rem;
  color:var(--muted);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
  height:36px;
}
.topbar__left{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.topbar__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(94,242,214,.16);
  flex:0 0 auto;
}
.topbar__domain{font-family:var(--font-num);letter-spacing:.02em;color:#cfe4f7;}
.topbar__mid{
  flex:1 1 auto;
  text-align:center;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--muted);
}
.topbar__right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar__right a{color:#cfe4f7;}
.topbar__right a:hover{color:var(--primary);}
.topbar__sep{color:rgba(126,196,255,.28);}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:55;
  background:rgba(5,13,24,.88);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
  position:relative;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  flex:0 0 auto;
  padding:6px 0;
}
.brand__mark{
  font-size:1.1875rem;
  font-weight:800;
  color:#fff;
  letter-spacing:.01em;
  line-height:1.2;
  white-space:nowrap;
}
.brand__mark em{
  font-style:normal;
  font-weight:700;
  color:var(--primary);
  margin-left:2px;
}
.brand__sub{
  font-size:.6875rem;
  color:var(--muted);
  letter-spacing:.04em;
  line-height:1.4;
  white-space:nowrap;
}
.brand:hover .brand__mark em{color:var(--cyan);}

.nav__menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  font-size:.9375rem;
  font-weight:600;
  color:#b9cee2;
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav__link:hover{color:#fff;background:rgba(45,183,255,.08);}
.nav__link.is-active{color:#fff;}
.nav__link.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(45,183,255,.6);}

.nav__cta{
  flex:0 0 auto;
  margin-left:8px;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(17,42,66,.6);
  margin-left:auto;
  align-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:#cfe4f7;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:.78rem 1.35rem;
  border-radius:var(--radius-sm);
  font-size:.9375rem;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  box-shadow:0 0 0 1px rgba(45,183,255,.34),0 10px 30px rgba(14,124,255,.28);
}
.btn--primary:hover{
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(94,242,214,.55),0 14px 34px rgba(14,124,255,.42);
}
.btn--ghost{
  color:#cfe4f7;
  background:rgba(17,42,66,.42);
  border-color:var(--line-strong);
}
.btn--ghost:hover{
  color:#fff;
  border-color:var(--primary);
  background:rgba(45,183,255,.12);
  transform:translateY(-1px);
}
.btn--amber{
  color:#1b1205;
  background:linear-gradient(135deg,#FFD08A 0%,var(--amber) 100%);
  box-shadow:0 0 0 1px rgba(255,180,84,.4),0 10px 30px rgba(255,180,84,.2);
  font-weight:700;
}
.btn--amber:hover{
  color:#1b1205;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,208,138,.7),0 14px 34px rgba(255,180,84,.32);
}
.btn--block{width:100%;}

/* ============ 通用徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:600;
  line-height:1.6;
  border:1px solid var(--line);
  background:rgba(17,42,66,.7);
  color:#b9cee2;
  white-space:nowrap;
}
.badge--cyan{color:#9ff6e4;border-color:rgba(94,242,214,.36);background:rgba(94,242,214,.1);}
.badge--blue{color:#a9dcff;border-color:rgba(45,183,255,.36);background:rgba(45,183,255,.1);}
.badge--amber{color:#ffd7a1;border-color:rgba(255,180,84,.38);background:rgba(255,180,84,.1);}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--muted);
  margin-bottom:18px;
}
.crumb a{color:#a9c3da;}
.crumb a:hover{color:var(--primary);}
.crumb__sep{color:rgba(126,196,255,.32);}
.crumb__current{color:#dbeaf8;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  margin:28px 0 0;
  padding:38px 40px 36px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  background:linear-gradient(120deg, rgba(9,26,44,.96) 0%, rgba(8,24,39,.9) 62%, rgba(13,33,53,.86) 100%);
  box-shadow:var(--shadow);
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(100deg, rgba(5,13,24,.94) 18%, rgba(5,13,24,.62) 58%, rgba(5,13,24,.4) 100%),
    repeating-linear-gradient(0deg, rgba(126,196,255,.06) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(126,196,255,.06) 0 1px, transparent 1px 44px);
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.04em;
  color:#9ff6e4;
  background:rgba(94,242,214,.1);
  border:1px solid rgba(94,242,214,.32);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(1.85rem,4vw,2.75rem);
  font-weight:800;
  line-height:1.18;
  color:#fff;
  max-width:22em;
}
.page-hero__lead{
  margin:16px 0 0;
  font-size:1.0625rem;
  color:#c3d8ea;
  max-width:36em;
}
.page-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:24px;
  font-size:.8125rem;
  color:var(--muted);
}
.page-hero__meta span{display:inline-flex;align-items:center;gap:7px;}
.page-hero__meta i{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 3px rgba(45,183,255,.16);
  display:inline-block;
}

/* ============ 主内容区 ============ */
.section{
  padding:56px 0 0;
}
.section--tight{padding-top:44px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(1.35rem,2.4vw,1.75rem);
  color:#fff;
}
.section-head p{
  margin:8px 0 0;
  font-size:.9375rem;
  color:var(--muted);
  max-width:44em;
}

/* 左侧目录 */
.toc-card{
  position:sticky;
  top:98px;
  padding:22px 20px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(13,33,53,.82);
  box-shadow:var(--shadow);
}
.toc-card__title{
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--muted);
  margin-bottom:14px;
}
.toc-list li + li{margin-top:2px;}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:.9375rem;
  font-weight:600;
  color:#b9cee2;
  transition:background .2s ease,color .2s ease;
}
.toc-list a:hover{background:rgba(45,183,255,.1);color:#fff;}
.toc-list .num{
  font-family:var(--font-num);
  font-size:.75rem;
  font-weight:700;
  color:var(--primary);
  min-width:18px;
}
.toc-divider{
  height:1px;
  background:var(--line);
  margin:18px 0;
}
.toc-note{
  padding:14px;
  border-radius:var(--radius-sm);
  background:rgba(17,42,66,.7);
  border:1px solid var(--line);
}
.toc-note h4{
  font-size:.875rem;
  color:#dbeaf8;
  margin-bottom:8px;
}
.toc-note p{
  font-size:.8125rem;
  color:var(--muted);
  line-height:1.7;
  margin:0;
}
.toc-note .badge{margin-top:12px;}

/* 流程列表 */
.flow-list{display:flex;flex-direction:column;gap:16px;}
.flow-item{
  display:flex;
  align-items:flex-start;
  gap:18px;
  padding:22px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(17,42,66,.72), rgba(13,33,53,.62));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.flow-item:hover{
  transform:translateY(-2px);
  border-color:rgba(45,183,255,.44);
  box-shadow:0 0 0 1px rgba(45,183,255,.22),0 12px 30px rgba(0,0,0,.3);
}
.flow-item__no{
  flex:0 0 auto;
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  font-family:var(--font-num);
  font-size:1rem;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg, rgba(45,183,255,.34), rgba(14,124,255,.2));
  border:1px solid rgba(45,183,255,.4);
  box-shadow:0 0 0 1px rgba(45,183,255,.12);
}
.flow-item__body{flex:1 1 auto;min-width:0;}
.flow-item__head{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:8px;
}
.flow-item__head h3{
  font-size:1.125rem;
  color:#fff;
  line-height:1.3;
}
.flow-item__body p{
  font-size:.9375rem;
  line-height:1.8;
  color:#b3c8db;
  margin:0;
}
.flow-item__meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-top:12px;
  font-size:.8125rem;
  color:var(--muted);
}
.flow-item__meta span{display:inline-flex;align-items:center;gap:6px;}
.flow-item__meta span::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:rgba(94,242,214,.7);
  display:inline-block;
}
.flow-item__thumb{
  flex:0 0 auto;
  width:148px;
  aspect-ratio:16 / 11;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:
    repeating-linear-gradient(45deg, rgba(45,183,255,.07) 0 8px, transparent 8px 16px),
    #0B1C2E;
}
.flow-item__thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.flow-item:hover .flow-item__thumb img{transform:scale(1.04);}
.flow-item__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:.875rem;
  font-weight:600;
  color:var(--primary);
}
.flow-item__link:hover{color:var(--cyan);}
.flow-item__link .arrow{transition:transform .2s ease;}
.flow-item__link:hover .arrow{transform:translateX(3px);}

/* 安全提示条 */
.notice-band{
  margin-top:40px;
  display:flex;
  align-items:flex-start;
  gap:18px;
  padding:24px 26px;
  border-radius:var(--radius);
  border:1px solid rgba(255,180,84,.3);
  border-left:4px solid var(--amber);
  background:linear-gradient(120deg, rgba(255,180,84,.1), rgba(13,33,53,.72) 58%);
}
.notice-band__icon{
  flex:0 0 auto;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,180,84,.14);
  border:1px solid rgba(255,180,84,.34);
  color:var(--amber);
}
.notice-band h3{
  font-size:1.0625rem;
  color:#ffe3bb;
  margin-bottom:8px;
}
.notice-band p{
  font-size:.9375rem;
  line-height:1.85;
  color:#c8d8e7;
  margin:0;
  max-width:62em;
}

/* FAQ */
.faq-wrap{max-width:920px;}
.faq-item{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(13,33,53,.74);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item + .faq-item{margin-top:14px;}
.faq-item[open]{
  border-color:rgba(45,183,255,.4);
  background:rgba(17,42,66,.8);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:1.0625rem;
  font-weight:600;
  color:#eaf4ff;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item__icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:.875rem;
  line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-item__icon{
  transform:rotate(45deg);
  background:rgba(45,183,255,.14);
}
.faq-item__body{
  padding:0 22px 20px;
  font-size:.9375rem;
  line-height:1.9;
  color:#b3c8db;
  max-width:58em;
}

/* CTA 面板 */
.cta-band{
  margin:56px 0 64px;
  padding:36px 38px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(45,183,255,.34);
  background:
    radial-gradient(620px 300px at 88% -20%, rgba(45,183,255,.24), transparent 66%),
    radial-gradient(520px 260px at 4% 120%, rgba(94,242,214,.14), transparent 62%),
    linear-gradient(120deg, rgba(17,42,66,.94), rgba(9,26,44,.94));
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(1.3rem,2.4vw,1.7rem);
  color:#fff;
  margin-bottom:10px;
}
.cta-band p{
  font-size:.9375rem;
  color:#b3c8db;
  margin:0;
  max-width:40em;
}
.cta-band__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:8px;
  background:#050D18;
  border-top:1px solid var(--line);
  padding:52px 0 26px;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.brand--footer{margin-bottom:16px;}
.footer__brand p{
  font-size:.875rem;
  line-height:1.85;
  color:var(--muted);
  max-width:34em;
}
.footer__col h4{
  font-size:.9375rem;
  color:#eaf4ff;
  margin-bottom:14px;
  font-weight:700;
}
.footer__col a,
.footer__col p{
  display:block;
  font-size:.875rem;
  color:var(--muted);
  margin:0 0 10px;
  line-height:1.7;
}
.footer__col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.footer__top{color:var(--primary) !important;font-weight:600;}
.footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:36px;
  padding-top:22px;
  border-top:1px solid rgba(126,196,255,.12);
  font-size:.8125rem;
  color:#7d93aa;
}
.footer__bottom .sep{color:rgba(126,196,255,.24);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav{gap:16px;min-height:66px;}
  .nav__menu{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px 20px 22px;
    background:rgba(8,24,39,.985);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:0 18px 40px rgba(0,0,0,.45);
  }
  .nav__menu.is-open{display:flex;}
  .nav__link{
    padding:14px 12px;
    font-size:1rem;
    border-bottom:1px solid rgba(126,196,255,.1);
    border-radius:0;
  }
  .nav__link::after{display:none;}
  .nav__link.is-active{color:var(--primary);background:rgba(45,183,255,.08);}
  .nav__cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .topbar__mid{display:none;}
  .toc-card{position:static;margin-bottom:24px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
  .flow-item__thumb{width:126px;}
}

@media (max-width:768px){
  .page-hero{padding:30px 24px 28px;border-radius:20px;}
  .page-hero__lead{font-size:1rem;}
  .section{padding-top:44px;}
  .flow-item{
    flex-wrap:wrap;
    padding:20px 18px;
    gap:14px;
  }
  .flow-item__thumb{
    order:3;
    width:100%;
    aspect-ratio:16 / 8;
  }
  .flow-item__no{width:40px;height:40px;font-size:.9375rem;border-radius:12px;}
  .flow-item__head h3{font-size:1.0625rem;}
  .notice-band{padding:20px;flex-direction:column;gap:14px;}
  .cta-band{padding:28px 22px;margin:44px 0 52px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
  .footer__grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:40px 0 22px;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .topbar__inner{height:auto;min-height:34px;padding:7px 0;font-size:.75rem;}
  .topbar__right{gap:10px;}
  .brand__mark{font-size:1.0625rem;}
  .brand__sub{font-size:.625rem;}
  .page-hero{margin-top:18px;padding:26px 18px 24px;}
  .page-hero__meta{flex-direction:column;gap:8px;}
  .btn{width:100%;min-height:48px;}
  .nav__cta{display:none;}
  .flow-item__no{width:36px;height:36px;font-size:.875rem;}
  .faq-item summary{padding:16px 16px;font-size:1rem;}
  .faq-item__body{padding:0 16px 18px;}
  .footer__bottom{font-size:.75rem;}
}

/* roulang page: category2 */
:root{
  --bg:#050D18;
  --bg-soft:#081827;
  --surface:#0D2135;
  --surface-2:#112A42;
  --brand:#2DB7FF;
  --brand-deep:#0E7CFF;
  --mint:#5EF2D6;
  --amber:#FFB454;
  --text:#EAF4FF;
  --muted:#94A9C0;
  --line:rgba(126,196,255,.18);
  --line-strong:rgba(126,196,255,.36);
  --danger:#FF7A8A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --glow:0 0 0 1px rgba(45,183,255,.42), 0 10px 30px rgba(14,124,255,.26);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 480px at 82% -8%, rgba(14,124,255,.16), transparent 62%),
    radial-gradient(720px 420px at 4% 8%, rgba(94,242,214,.07), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:rgba(5,13,24,.92);
  border-bottom:1px solid rgba(126,196,255,.12);
  font-size:.8125rem;
  color:var(--muted);
}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:36px;padding-top:4px;padding-bottom:4px;
}
.topbar__domain{letter-spacing:.04em;color:#B7CBE0;}
.topbar__note{display:inline-flex;align-items:center;gap:8px;}
.topbar__note::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--mint);box-shadow:0 0 0 4px rgba(94,242,214,.14);
}
.topbar__links{display:flex;align-items:center;gap:18px;}
.topbar__links a{color:#B7CBE0;}
.topbar__links a:hover{color:var(--brand);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(6,16,29,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:26px;min-height:72px;}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.2;flex-shrink:0;}
.brand__mark{font-size:1.15rem;font-weight:800;letter-spacing:.01em;}
.brand__mark em{font-style:normal;color:var(--brand);}
.brand__sub{font-size:.72rem;color:var(--muted);letter-spacing:.02em;}
.nav__menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:10px;
  font-size:.9375rem;font-weight:600;color:#BFD3E6;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--mint));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
  box-shadow:0 0 12px rgba(45,183,255,.6);
}
.nav__link:hover{color:var(--text);background:rgba(45,183,255,.08);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:#fff;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{margin-left:8px;flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(13,33,53,.7);
}
.nav-toggle span{display:block;height:2px;width:20px;margin:0 auto;border-radius:2px;background:#CFE3F5;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:.85rem 1.4rem;border-radius:var(--r-sm);
  font-size:.9375rem;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  min-height:46px;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  box-shadow:var(--glow);
}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(94,242,214,.5),0 14px 34px rgba(14,124,255,.4);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  color:#CFE3F5;border:1px solid var(--line-strong);background:rgba(13,33,53,.5);
}
.btn--ghost:hover{border-color:var(--brand);background:rgba(45,183,255,.12);color:#fff;transform:translateY(-1px);}
.btn--amber{
  color:#241704;background:linear-gradient(135deg,#FFCE85,#FFB454);
  box-shadow:0 0 0 1px rgba(255,180,84,.4),0 10px 28px rgba(255,180,84,.22);
}
.btn--amber:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,84,.6),0 14px 32px rgba(255,180,84,.3);}
.btn--block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:.2rem .62rem;border-radius:var(--r-pill);
  font-size:.75rem;font-weight:600;line-height:1.6;white-space:nowrap;
}
.badge--mint{color:#06251F;background:rgba(94,242,214,.85);}
.badge--blue{color:#04223A;background:rgba(45,183,255,.88);}
.badge--amber{color:#2B1B02;background:rgba(255,180,84,.9);}
.badge--line{color:#B7CBE0;background:rgba(126,196,255,.1);border:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;
  padding:.18rem .58rem;border-radius:var(--r-pill);
  font-size:.75rem;color:#A9C1D8;background:rgba(126,196,255,.08);
  border:1px solid rgba(126,196,255,.14);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:.28rem .8rem;border-radius:var(--r-pill);
  font-size:.8125rem;font-weight:600;color:var(--brand);
  background:rgba(45,183,255,.1);border:1px solid rgba(45,183,255,.28);
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--muted);padding-top:26px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand);}
.crumb span[aria-current]{color:#C6D9EA;}

/* ---------- Hero ---------- */
.hero-cat{padding-bottom:8px;}
.hero-cat__grid{
  display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);
  gap:44px;align-items:center;padding:34px 0 20px;
}
.hero-cat h1{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  font-weight:800;line-height:1.2;margin:18px 0 14px;letter-spacing:-.01em;
}
.lede{font-size:1.0625rem;color:#C3D6E8;max-width:34em;}
.hero-cat__actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px;}
.hero-cat__meta{display:flex;gap:34px;flex-wrap:wrap;}
.hero-cat__meta li{display:flex;flex-direction:column;gap:2px;}
.hero-cat__meta strong{font-size:1.5rem;font-weight:800;color:#fff;line-height:1.2;}
.hero-cat__meta strong em{font-style:normal;font-size:.85rem;color:var(--muted);margin-left:2px;}
.hero-cat__meta span{font-size:.8125rem;color:var(--muted);}
.hero-cat__media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:linear-gradient(160deg,var(--surface-2),var(--bg-soft));
}
.hero-cat__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-cat__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,13,24,.05) 0%,rgba(5,13,24,.72) 78%);
}
.hero-cat__media figcaption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-size:.8125rem;color:#CFE3F5;
}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section--alt{background:linear-gradient(180deg,rgba(8,24,39,0),rgba(8,24,39,.72) 22%,rgba(8,24,39,0));}
.section__head{max-width:720px;margin-bottom:36px;}
.section__head h2{
  font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.3;margin-bottom:10px;
}
.section__head p{color:var(--muted);font-size:.9375rem;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(45,183,255,.85),rgba(94,242,214,.5),rgba(45,183,255,.12));
  box-shadow:0 0 14px rgba(45,183,255,.35);
}
.timeline__item{position:relative;padding-left:74px;margin-bottom:22px;}
.timeline__item:last-child{margin-bottom:0;}
.timeline__index{
  position:absolute;left:0;top:14px;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:800;color:#fff;
  background:var(--surface-2);border:1px solid var(--line-strong);
  box-shadow:0 0 0 6px rgba(5,13,24,.9),0 8px 22px rgba(0,0,0,.4);
}
.timeline__item:nth-child(1) .timeline__index{background:linear-gradient(140deg,rgba(45,183,255,.9),rgba(14,124,255,.9));color:#fff;}
.timeline__item:nth-child(4) .timeline__index{background:linear-gradient(140deg,rgba(94,242,214,.92),rgba(45,183,255,.85));color:#06251F;}
.timeline__card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.timeline__card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 14px 34px rgba(0,0,0,.34);}
.timeline__top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:8px;}
.timeline__top h3{font-size:1.125rem;font-weight:700;}
.timeline__card p{color:#B9CDDF;font-size:.9375rem;line-height:1.8;}
.timeline__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- 安全提示卡 ---------- */
.tip-card{
  display:flex;gap:16px;
  background:rgba(13,33,53,.86);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.tip-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 14px 30px rgba(0,0,0,.3);}
.tip-card__icon{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(45,183,255,.12);border:1px solid rgba(45,183,255,.26);color:var(--brand);
}
.tip-card h3{font-size:1.0625rem;font-weight:700;margin-bottom:6px;}
.tip-card p{font-size:.9375rem;color:#B9CDDF;line-height:1.8;}

/* ---------- 准备清单 ---------- */
.prep-card{
  background:linear-gradient(170deg,rgba(17,42,66,.92),rgba(13,33,53,.92));
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;min-height:150px;
  transition:border-color .22s ease,transform .22s ease;
}
.prep-card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.prep-card__num{
  font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--brand);
  display:block;margin-bottom:10px;
}
.prep-card h3{font-size:1rem;font-weight:700;margin-bottom:6px;}
.prep-card p{font-size:.875rem;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(13,33,53,.78);
  padding:4px 20px;transition:border-color .22s ease,background-color .22s ease;
}
.faq details[open]{border-color:var(--line-strong);background:rgba(17,42,66,.9);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-size:1.0625rem;font-weight:600;color:#EAF4FF;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"";flex-shrink:0;width:10px;height:10px;margin-right:4px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .24s ease;border-radius:1px;
}
.faq details[open] summary::after{transform:rotate(-135deg);}
.faq p{padding:0 0 18px;color:#B9CDDF;font-size:.9375rem;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  gap:32px;align-items:center;
  padding:40px 42px;border-radius:var(--r-lg);
  background:
    radial-gradient(600px 260px at 88% 10%,rgba(45,183,255,.22),transparent 68%),
    linear-gradient(150deg,rgba(17,42,66,.96),rgba(8,24,39,.96));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.cta-panel h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;line-height:1.3;margin-bottom:10px;}
.cta-panel p{color:#B9CDDF;font-size:.9375rem;max-width:46em;}
.cta-panel__actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#040B14;border-top:1px solid var(--line);
  padding:56px 0 26px;margin-top:72px;
}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;
}
.brand--footer{margin-bottom:14px;}
.footer__brand p{font-size:.875rem;color:var(--muted);line-height:1.8;max-width:34em;}
.footer__col h4{font-size:.9375rem;font-weight:700;margin-bottom:14px;color:#DCEBF8;}
.footer__col a,.footer__col p{display:block;font-size:.875rem;color:var(--muted);margin-bottom:10px;line-height:1.7;}
.footer__col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer__top{margin-top:6px;color:var(--brand) !important;}
.footer__bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(126,196,255,.12);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.8125rem;color:#7E93A8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav{min-height:66px;gap:14px;}
  .nav-toggle{display:flex;}
  .nav__cta{display:none;}
  .nav__menu{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:14px 24px 22px;
    background:rgba(6,16,29,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.45);
  }
  .nav__menu.is-open{display:flex;}
  .nav__link{padding:12px 10px;font-size:1rem;border-radius:12px;border-bottom:1px solid rgba(126,196,255,.08);}
  .nav__link::after{display:none;}
  .nav__menu .nav__cta{display:inline-flex;margin-top:14px;}
  .hero-cat__grid{grid-template-columns:1fr;gap:30px;padding-top:26px;}
  .hero-cat__media{order:2;}
  .section{padding:56px 0;}
  .cta-panel{grid-template-columns:1fr;padding:32px 26px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:26px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .topbar__note{display:none;}
  .topbar__inner{flex-wrap:wrap;gap:6px;}
  .grid-2{grid-template-columns:1fr;}
  .hero-cat__actions{flex-direction:column;align-items:stretch;}
  .hero-cat__actions .btn{width:100%;}
  .hero-cat__meta{gap:24px;}
  .timeline::before{left:19px;}
  .timeline__item{padding-left:56px;}
  .timeline__index{width:40px;height:40px;font-size:.85rem;top:16px;}
  .timeline__card{padding:18px;}
  .faq summary{font-size:1rem;padding:14px 0;}
  .footer__grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding-top:42px;margin-top:52px;}
}
@media (max-width:520px){
  .brand__mark{font-size:1rem;}
  .brand__sub{font-size:.68rem;}
  .hero-cat h1{font-size:1.65rem;line-height:1.25;}
  .lede{font-size:1rem;}
  .grid-4{grid-template-columns:1fr;}
  .hero-cat__meta{justify-content:space-between;width:100%;}
  .btn{padding:.8rem 1.1rem;font-size:.9rem;}
  .topbar__links{gap:12px;}
}

/* roulang page: category3 */
:root{
  --bg:#050D18;
  --bg-2:#081827;
  --surface:#0D2135;
  --surface-2:#112A42;
  --line:rgba(126,196,255,.18);
  --line-strong:rgba(126,196,255,.36);
  --brand:#2DB7FF;
  --brand-deep:#0E7CFF;
  --mint:#5EF2D6;
  --amber:#FFB454;
  --text:#EAF4FF;
  --muted:#94A9C0;
  --danger:#FF7A8A;
  --radius-card:18px;
  --radius-panel:24px;
  --radius-btn:12px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --shadow-soft:0 4px 14px rgba(0,0,0,.18);
  --space-section:88px;
  --space-section-sm:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 480px at 82% -6%, rgba(14,124,255,.20), transparent 62%),
    radial-gradient(680px 420px at 6% 12%, rgba(45,183,255,.12), transparent 66%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:rgba(8,24,39,.9);
  border-bottom:1px solid var(--line);
  font-size:.8125rem;
  color:var(--muted);
  position:relative;
  z-index:30;
}
.topbar__inner{
  min-height:36px;
  display:flex;
  align-items:center;
  gap:18px;
  justify-content:space-between;
  padding:6px 0;
  flex-wrap:wrap;
}
.topbar__domain{
  color:var(--text);
  font-weight:600;
  letter-spacing:.02em;
}
.topbar__note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
}
.topbar__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 1px rgba(94,242,214,.5),0 0 12px rgba(94,242,214,.7);
  display:inline-block;
}
.topbar__links{
  display:flex;
  align-items:center;
  gap:18px;
}
.topbar__links a{
  color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.topbar__links a:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(5,13,24,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:72px;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{
  display:flex;
  flex-direction:column;
  line-height:1.2;
  flex:0 0 auto;
}
.brand__mark{
  font-size:1.125rem;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
}
.brand__mark em{
  font-style:normal;
  color:var(--brand);
}
.brand__sub{
  font-size:.75rem;
  color:var(--muted);
  font-weight:500;
  margin-top:3px;
}
.nav__menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav__link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--muted);
  border-radius:10px;
  position:relative;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background .2s ease,box-shadow .2s ease;
}
.nav__link:hover{color:var(--text);background:rgba(45,183,255,.08);}
.nav__link.is-active{color:var(--text);}
.nav__link.is-active::after{
  background:var(--brand);
  box-shadow:0 0 10px rgba(45,183,255,.85);
}
.nav__cta{margin-left:8px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(17,42,66,.7);
  padding:0;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:.75rem 1.35rem;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#03121F;
  box-shadow:0 0 0 1px rgba(45,183,255,.45),0 10px 26px rgba(14,124,255,.28);
}
.btn--primary:hover{
  transform:translateY(-1px);
  color:#03121F;
  box-shadow:0 0 0 1px rgba(94,242,214,.55),0 14px 32px rgba(14,124,255,.42);
}
.btn--ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn--ghost:hover{
  border-color:var(--brand);
  background:rgba(45,183,255,.1);
  color:var(--text);
  transform:translateY(-1px);
}
.btn--amber{
  background:linear-gradient(135deg,#FFC978,var(--amber));
  color:#231400;
  box-shadow:0 0 0 1px rgba(255,180,84,.45),0 10px 26px rgba(255,180,84,.22);
}
.btn--amber:hover{
  color:#231400;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,201,120,.7),0 14px 32px rgba(255,180,84,.34);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:.9375rem;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover{color:var(--mint);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:22px 0 0;
  font-size:.8125rem;
  color:var(--muted);
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{color:rgba(148,169,192,.5);}
.crumbs strong{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:34px 0 var(--space-section-sm);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.16;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(5,13,24,.55) 0%,rgba(5,13,24,.9) 72%,var(--bg) 100%),
    repeating-linear-gradient(90deg,rgba(126,196,255,.05) 0 1px,transparent 1px 88px);
  z-index:0;
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:36px;
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(45,183,255,.1);
  color:var(--mint);
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.02em;
}
h1.page-title{
  font-size:clamp(2rem,4.2vw,3.2rem);
  font-weight:800;
  line-height:1.18;
  margin:18px 0 14px;
}
h1.page-title em{
  font-style:normal;
  color:var(--brand);
}
.hero-lead{
  font-size:1.0625rem;
  color:#C6D8EA;
  max-width:640px;
  margin-bottom:22px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-card{
  background:linear-gradient(160deg,rgba(17,42,66,.86),rgba(13,33,53,.72));
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:18px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
}
.hero-card__media{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:linear-gradient(140deg,#0B2036,#123252);
}
.hero-card__media img{
  width:100%;height:100%;
  object-fit:cover;
}
.hero-card__body{
  padding:16px 4px 4px;
}
.hero-card__title{
  font-size:1rem;
  font-weight:700;
  margin-bottom:6px;
}
.hero-card__desc{
  font-size:.875rem;
  color:var(--muted);
  margin:0 0 14px;
}
.hero-card__rows{display:grid;gap:8px;}
.hero-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  background:rgba(8,24,39,.7);
  border:1px solid var(--line);
  font-size:.875rem;
  color:#C6D8EA;
}
.hero-row:hover{border-color:var(--brand);color:var(--text);}
.hero-row i{color:var(--brand);font-size:.875rem;}
.hero-row .state{
  margin-left:auto;
  font-size:.75rem;
  color:var(--mint);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.hero-row .state::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 8px rgba(94,242,214,.8);
}

/* ---------- 板块通用 ---------- */
.section{
  padding:var(--space-section-sm) 0;
}
.section--tight{padding-top:8px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:700;
}
.section-head p{
  color:var(--muted);
  font-size:.9375rem;
  margin:8px 0 0;
  max-width:640px;
}
.eyebrow{
  display:block;
  font-size:.8125rem;
  font-weight:600;
  color:var(--mint);
  letter-spacing:.04em;
  margin-bottom:8px;
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:18px;
  box-shadow:var(--shadow-soft);
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  margin-bottom:24px;
}
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(8,24,39,.65);
  color:var(--muted);
  font-size:.875rem;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
}
.chip:hover{color:var(--text);border-color:var(--line-strong);}
.chip.is-on{
  color:#03121F;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  border-color:transparent;
  box-shadow:0 0 0 1px rgba(45,183,255,.5),0 8px 20px rgba(14,124,255,.3);
}
.search-form{
  display:flex;
  gap:10px;
  align-items:center;
  flex:1 1 320px;
  min-width:260px;
}
.search-form label{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}
.search-field{
  position:relative;
  flex:1;
}
.search-field i{
  position:absolute;
  left:14px;top:50%;
  transform:translateY(-50%);
  color:var(--muted);
  font-size:.875rem;
}
.search-input{
  width:100%;
  height:46px;
  padding:0 14px 0 38px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(5,13,24,.75);
  color:var(--text);
  font-size:.9375rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-input::placeholder{color:rgba(148,169,192,.75);}
.search-input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(45,183,255,.22);
}
.filter-hint{
  flex-basis:100%;
  font-size:.8125rem;
  color:var(--muted);
  margin:0;
  padding-top:2px;
  border-top:1px dashed rgba(126,196,255,.16);
  padding-top:12px;
}

/* ---------- 置顶公告 ---------- */
.pin-card{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,6fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  overflow:hidden;
  background:linear-gradient(140deg,rgba(17,42,66,.8),rgba(13,33,53,.95));
  box-shadow:var(--shadow);
  margin-bottom:26px;
}
.pin-card__media{
  position:relative;
  min-height:220px;
  background:#0B2036;
}
.pin-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
  transition:transform .35s ease;
}
.pin-card:hover .pin-card__media img{transform:scale(1.03);}
.pin-card__body{
  padding:26px 28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:600;
  border:1px solid var(--line-strong);
  color:var(--brand);
  background:rgba(45,183,255,.1);
  white-space:nowrap;
}
.badge--amber{color:var(--amber);border-color:rgba(255,180,84,.4);background:rgba(255,180,84,.1);}
.badge--mint{color:var(--mint);border-color:rgba(94,242,214,.36);background:rgba(94,242,214,.1);}
.badge--muted{color:var(--muted);border-color:var(--line);background:rgba(148,169,192,.08);}
.pin-card__title{
  font-size:1.25rem;
  font-weight:700;
  line-height:1.4;
}
.pin-card__text{
  color:#C6D8EA;
  font-size:.9375rem;
  margin:0;
}
.pin-card__meta{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:var(--muted);
  margin-top:4px;
}

/* ---------- 公告列表 ---------- */
.notice-list{
  display:grid;
  gap:12px;
}
.notice{
  display:grid;
  grid-template-columns:132px minmax(0,1fr) 40px;
  gap:20px;
  align-items:start;
  padding:20px 22px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:rgba(13,33,53,.72);
  transition:border-color .2s ease,transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.notice:hover{
  transform:translateY(-2px);
  border-color:rgba(45,183,255,.48);
  background:rgba(17,42,66,.86);
  box-shadow:0 10px 28px rgba(0,0,0,.3);
}
.notice__date{
  font-family:"Inter","Manrope",system-ui,sans-serif;
  font-size:.8125rem;
  color:var(--muted);
  font-weight:600;
  letter-spacing:.02em;
  display:flex;
  flex-direction:column;
  gap:4px;
  padding-top:2px;
}
.notice__date strong{
  color:var(--text);
  font-size:.9375rem;
  font-weight:700;
}
.notice__main{min-width:0;}
.notice__head{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:6px;
}
.notice__title{
  font-size:1.0625rem;
  font-weight:700;
  line-height:1.45;
  margin:0;
}
.notice__title a{color:var(--text);}
.notice__title a:hover{color:var(--brand);}
.notice__text{
  color:var(--muted);
  font-size:.875rem;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.notice__go{
  align-self:center;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  transition:all .2s ease;
}
.notice:hover .notice__go{
  border-color:var(--brand);
  background:rgba(45,183,255,.14);
  box-shadow:0 0 0 1px rgba(45,183,255,.4);
}
.empty-state{
  display:none;
  min-height:180px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  color:var(--muted);
  text-align:center;
  padding:32px 20px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:10px;
}
.empty-state i{font-size:1.5rem;opacity:.6;}

/* ---------- 安全提示条 ---------- */
.notice-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:26px;
}
.strip-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:16px 18px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(8,24,39,.72);
}
.strip-item i{
  color:var(--mint);
  font-size:1rem;
  margin-top:4px;
}
.strip-item h3{
  font-size:.9375rem;
  margin:0 0 4px;
}
.strip-item p{
  margin:0;
  font-size:.8125rem;
  color:var(--muted);
  line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  align-items:start;
}
.faq{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(160deg,rgba(17,42,66,.72),rgba(13,33,53,.82));
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq[open]{
  border-color:rgba(45,183,255,.45);
  box-shadow:0 10px 26px rgba(0,0,0,.26);
}
.faq summary{
  list-style:none;
  cursor:pointer;
  padding:18px 20px;
  font-size:1rem;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:44px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  font-size:.75rem;
  transition:transform .25s ease,border-color .2s ease,background .2s ease;
}
.faq[open] summary .faq-icon{
  transform:rotate(180deg);
  border-color:var(--brand);
  background:rgba(45,183,255,.16);
}
.faq__body{
  padding:0 20px 20px;
  color:#C6D8EA;
  font-size:.9375rem;
  line-height:1.85;
  border-top:1px solid rgba(126,196,255,.12);
  margin-top:0;
  padding-top:14px;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  border-radius:var(--radius-panel);
  border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(17,42,66,.94),rgba(8,24,39,.94)),
    radial-gradient(560px 260px at 88% 0%,rgba(45,183,255,.28),transparent 70%);
  padding:38px;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:26px;
  align-items:center;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(94,242,214,.18),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:clamp(1.4rem,2.4vw,1.9rem);
  margin-bottom:10px;
}
.cta-panel p{
  color:#C6D8EA;
  margin:0;
  font-size:.9375rem;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--space-section);
  background:#040B14;
  border-top:1px solid var(--line);
  padding:52px 0 26px;
  position:relative;
  z-index:1;
}
.footer__grid{
  display:grid;
  grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));
  gap:32px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(126,196,255,.12);
}
.brand--footer .brand__mark{font-size:1.0625rem;}
.footer__brand p{
  color:var(--muted);
  font-size:.875rem;
  line-height:1.85;
  margin:14px 0 0;
  max-width:340px;
}
.footer__col h4{
  font-size:.9375rem;
  font-weight:700;
  margin-bottom:14px;
  color:var(--text);
}
.footer__col a,
.footer__col p{
  display:block;
  color:var(--muted);
  font-size:.875rem;
  margin:0 0 10px;
  line-height:1.7;
}
.footer__col a{border-bottom:1px solid transparent;width:fit-content;}
.footer__col a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.footer__top{
  color:var(--brand) !important;
  font-weight:600;
}
.footer__bottom{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding-top:20px;
  color:var(--muted);
  font-size:.8125rem;
}
.footer__bottom .sep{opacity:.5;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space-section:64px;--space-section-sm:40px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-card{max-width:560px;}
  .nav__menu{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px 20px 20px;
    background:rgba(5,13,24,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px rgba(0,0,0,.45);
  }
  .nav__menu.is-open{display:flex;}
  .nav__link{
    min-height:48px;
    font-size:1rem;
    border-bottom:1px solid rgba(126,196,255,.1);
    border-radius:0;
    padding:0 4px;
  }
  .nav__link::after{display:none;}
  .nav__link.is-active{color:var(--brand);}
  .nav-toggle{display:flex;}
  .nav__cta{display:none;}
  .pin-card{grid-template-columns:1fr;}
  .pin-card__media{min-height:190px;position:relative;}
  .notice-strip{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:30px;}
  .cta-actions{justify-content:flex-start;}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
}
@media (max-width:768px){
  .notice{grid-template-columns:1fr 36px;gap:12px 14px;}
  .notice__date{flex-direction:row;align-items:baseline;gap:8px;grid-column:1/-1;}
  .faq-grid{grid-template-columns:1fr;}
  .search-form{flex:1 1 100%;}
  .filter-bar{padding:16px;}
  .topbar__note{display:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  h1.page-title{font-size:1.75rem;}
  .hero-lead{font-size:1rem;}
  .hero-actions .btn{width:100%;}
  .section{padding:40px 0;}
  .pin-card__body{padding:20px;}
  .cta-panel{padding:24px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer__grid{grid-template-columns:1fr;}
  .topbar__inner{gap:10px;}
  .notice__go{width:36px;height:36px;}
  .brand__mark{font-size:1rem;}
  .brand__sub{font-size:.6875rem;}
}
