/* roulang page: index */
:root{
  --bg-0:#05070F;
  --bg-1:#0A1020;
  --bg-2:#101A33;
  --brand:#16C7E8;
  --brand-deep:#0B7C9C;
  --accent:#FF8A3D;
  --accent-2:#7C5CFF;
  --text-1:#EAF2FF;
  --text-2:#A9B8D0;
  --text-3:#6E7E99;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(22,199,232,.35);
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --glass:rgba(255,255,255,.055);
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:20px;
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 20px 45px -22px rgba(0,0,0,.85);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 420px at 12% -6%,rgba(22,199,232,.14),transparent 65%),
    radial-gradient(760px 380px at 92% 4%,rgba(124,92,255,.12),transparent 60%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0}
::selection{background:rgba(22,199,232,.35);color:#04121A}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
}

/* ---------- 顶部倒计时条 ---------- */
.topbar{
  position:relative;
  z-index:60;
  height:40px;
  background:rgba(8,12,24,.92);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:18px;
}
.topbar-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-2);
  white-space:nowrap;
}
.topbar-label .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(255,138,61,.9);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.countdown{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.count-cell{
  display:flex;
  align-items:baseline;
  gap:4px;
  padding:2px 8px;
  border-radius:8px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
}
.count-num{
  font-size:16px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.02em;
}
.count-unit{font-size:11px;color:var(--text-3)}
.count-sep{color:var(--text-3);animation:blink 1s steps(1,end) infinite}
@keyframes blink{0%,49%{opacity:.25}50%,100%{opacity:1}}

/* ---------- 品牌行 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:55;
  background:rgba(5,7,15,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-compact{
  background:rgba(4,6,13,.95);
  box-shadow:0 14px 30px -22px rgba(0,0,0,.95);
}
.brand-row{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  transition:height .26s var(--ease);
}
.site-header.is-compact .brand-row{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  background:linear-gradient(92deg,#EAF2FF 20%,#9DE8F7 75%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  white-space:nowrap;
}
.header-tools{display:flex;align-items:center;gap:12px}
.search{
  display:flex;
  align-items:center;
  border:1px solid transparent;
  border-radius:999px;
  transition:border-color .26s var(--ease),background .26s var(--ease);
}
.search.is-open{
  border-color:var(--line-strong);
  background:rgba(255,255,255,.06);
  padding-right:10px;
}
.search-toggle{
  width:38px;height:38px;
  display:grid;place-items:center;
  background:transparent;border:0;
  color:var(--text-2);cursor:pointer;
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.search-toggle:hover{color:var(--text-1);background:rgba(255,255,255,.07)}
.search-input{
  width:0;opacity:0;
  padding:0;border:0;
  background:transparent;
  color:var(--text-1);
  outline:none;
  transition:width .26s var(--ease),opacity .26s var(--ease),padding .26s var(--ease);
}
.search.is-open .search-input{width:210px;opacity:1;padding:0 6px}
.search-input::placeholder{color:var(--text-3)}
.link-plain{
  font-size:14.5px;
  color:var(--text-2);
  padding:8px 10px;
  border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.link-plain:hover{color:var(--text-1);background:rgba(255,255,255,.06)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background .24s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#03161E;
  box-shadow:0 0 0 1px rgba(22,199,232,.4),0 10px 28px -10px rgba(22,199,232,.55);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,199,232,.55),0 16px 36px -10px rgba(22,199,232,.7)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,199,232,.4),0 6px 16px -8px rgba(22,199,232,.5)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent) 0%,#DE6418 100%);
  color:#1E0E02;
  box-shadow:0 0 0 1px rgba(255,138,61,.4),0 10px 28px -10px rgba(255,138,61,.6);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,138,61,.55),0 16px 36px -10px rgba(255,138,61,.75)}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,138,61,.4),0 6px 16px -8px rgba(255,138,61,.5)}
.btn-ghost{
  background:rgba(255,255,255,.07);
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{background:rgba(22,199,232,.14);border-color:var(--line-strong)}
.btn-lg{height:50px;padding:0 26px;font-size:16px}
.btn:disabled{opacity:.3;filter:saturate(.3);cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--brand);font-weight:600;
  border-bottom:1px dashed rgba(22,199,232,.5);
  padding-bottom:2px;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.link-arrow:hover{gap:10px;color:#7FE4F7}

/* ---------- 频道行 ---------- */
.channel-row{
  border-top:1px solid var(--line);
  position:relative;
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:52px;
  padding:0 16px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.channel.is-active{color:var(--text-1);font-weight:600}
.channel.is-active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:6px;
  height:3px;border-radius:999px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(22,199,232,.85);
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--roomy{padding:112px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:30px;
  line-height:1.35;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.24em;
  width:4px;height:.92em;border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(22,199,232,.75);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--line-strong)}

/* ---------- Hero ---------- */
.hero{position:relative;border-bottom:1px solid var(--line);overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(5,7,15,.84),rgba(5,7,15,.95)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
  padding:76px 0 88px;
}
.hero h1{
  font-size:44px;
  line-height:1.25;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--brand)}
.hero-sub{
  color:var(--text-2);
  font-size:16.5px;
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.chip{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
}
.chip--violet{color:#CBBDFF;border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.14)}
.hero-side{position:relative}
.hero-visual{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.hero-visual img{width:100%;height:392px;object-fit:cover}
.hero-stats{
  position:relative;
  z-index:2;
  width:268px;
  margin:-58px 0 0 24px;
  padding:18px;
  display:grid;
  gap:13px;
}
.stat{display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat-k{font-size:13.5px;color:var(--text-3)}
.stat-v{font-size:15px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-v--accent{color:var(--accent)}

/* ---------- 卖点区 ---------- */
.value-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start}
.points{margin-top:8px}
.point{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  padding:20px 0;
  border-top:1px solid var(--line);
}
.point:last-child{border-bottom:1px solid var(--line)}
.point-num{
  width:42px;height:30px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  border-radius:8px;
  font-family:var(--font-num);
  font-size:13.5px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.04em;
}
.point h3{font-size:17px;margin-bottom:4px}
.point p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.value-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.pcard{padding:24px;display:grid;gap:14px;align-content:start}
.value-cards .pcard:nth-child(2){margin-top:46px}
.pcard-img{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.pcard-img img{width:100%;height:132px;object-fit:cover}
.pcard h3{font-size:18px}
.pcard p{font-size:14.5px;color:var(--text-2);line-height:1.78}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12.5px;
  background:rgba(22,199,232,.14);
  border:1px solid rgba(22,199,232,.35);
  color:#8FE6F8;
  width:fit-content;
}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.wall-item{
  position:relative;
  display:block;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.wall-item:nth-child(1){grid-column:span 7}
.wall-item:nth-child(2){grid-column:span 5}
.wall-item:nth-child(3),
.wall-item:nth-child(4),
.wall-item:nth-child(5){grid-column:span 4}
.wall-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease),filter .4s var(--ease);
}
.wall-item:nth-child(1) img,
.wall-item:nth-child(2) img{height:330px}
.wall-item:nth-child(3) img,
.wall-item:nth-child(4) img,
.wall-item:nth-child(5) img{height:236px}
.wall-item::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(4,7,14,.88) 100%);
  pointer-events:none;
}
.wall-item:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.wall-item:hover img{transform:scale(1.03);filter:brightness(1.1)}
.wall-cap{
  position:absolute;left:18px;right:18px;bottom:14px;
  z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.wall-cap span:first-child{font-size:15px;font-weight:600}
.wall-badge{
  position:absolute;top:14px;left:14px;
  z-index:2;
  height:26px;padding:0 10px;
  display:inline-flex;align-items:center;
  border-radius:6px 6px 6px 0;
  font-size:12.5px;
  background:rgba(255,138,61,.92);
  color:#1E0E02;
  font-weight:700;
  opacity:0;
  transform:translateY(-6px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.wall-item:hover .wall-badge{opacity:1;transform:translateY(0)}

/* ---------- CTA 条 + 表单 ---------- */
.cta-strip{
  display:grid;
  grid-template-columns:1fr 392px;
  gap:44px;
  align-items:center;
  padding:40px;
  border-radius:var(--radius-lg);
}
.cta-strip h2{font-size:28px;margin-bottom:10px}
.cta-strip p{color:var(--text-2);font-size:15.5px;max-width:520px}
.cta-notes{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.cta-form{display:grid;gap:12px}
.field{display:grid;gap:6px}
.field-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.field input,.field select{
  width:100%;
  height:48px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.12);
  color:var(--text-1);
  padding:0 14px;
  outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;cursor:pointer}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(22,199,232,.24);
  background:rgba(255,255,255,.15);
}
.field.has-error input{border-color:var(--err);box-shadow:0 0 0 3px rgba(248,113,113,.2)}
.field-tip{font-size:12.5px;color:var(--text-3)}
.field-tip.is-error{color:var(--err)}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.6}
.btn-code{height:48px;padding:0 16px;border-radius:var(--radius-sm)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(22,199,232,.22),var(--shadow-card)}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  background:none;border:0;
  color:var(--text-1);
  font-size:16px;font-weight:600;
  text-align:left;
  cursor:pointer;
}
.faq-num{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:6px;
  padding:1px 7px;
  flex-shrink:0;
}
.faq-arrow{
  margin-left:auto;
  flex-shrink:0;
  color:var(--text-3);
  transition:transform .26s var(--ease),color .26s var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{
  max-height:0;
  opacity:0;
  overflow:hidden;
  padding:0 20px;
  transition:max-height .3s var(--ease),opacity .3s var(--ease),padding-bottom .3s var(--ease);
}
.faq-item.is-open .faq-a{opacity:1;padding-bottom:20px}
.faq-a p{
  max-width:92%;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 24px 48px -24px rgba(0,0,0,.95),0 0 0 1px rgba(22,199,232,.24);
}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;height:170px;object-fit:cover;transition:transform .45s var(--ease),filter .45s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04);filter:brightness(1.08)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12.5px;
  width:fit-content;
  background:rgba(124,92,255,.16);
  border:1px solid rgba(124,92,255,.4);
  color:#C9BBFF;
}
.news-title{font-size:17px;line-height:1.5}
.news-title a{transition:color .2s var(--ease)}
.news-title a:hover{color:var(--brand)}
.news-desc{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.news-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:13.5px}
.news-link .arrow{transition:transform .2s var(--ease)}
.news-card:hover .news-link .arrow{transform:translateX(2px)}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  display:grid;
  justify-items:center;
  gap:14px;
}
.empty-state h3{font-size:18px}
.empty-state p{color:var(--text-2);font-size:14.5px}
.skeleton{
  border-radius:var(--radius);
  background:linear-gradient(90deg,rgba(255,255,255,.05) 25%,rgba(255,255,255,.12) 37%,rgba(255,255,255,.05) 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s infinite linear;
  height:280px;
}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#03050C;
  border-top:1px solid var(--line);
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 24px 44px;
}
.footer-brand p{color:var(--text-2);font-size:14.5px;margin-top:14px;max-width:320px}
.footer-meta{color:var(--text-3);font-size:13px;margin-top:16px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px 26px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
  flex-wrap:wrap;
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text-2);
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(22,199,232,.14)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .hero h1{font-size:38px}
  .section{padding:84px 0}
  .section--roomy{padding:92px 0}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:56px 0 64px}
  .hero-visual img{height:300px}
  .hero-stats{width:auto;margin:-44px 16px 0 16px}
  .value-grid{grid-template-columns:1fr;gap:36px}
  .value-cards .pcard:nth-child(2){margin-top:0}
  .cta-strip{grid-template-columns:1fr;gap:28px;padding:28px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .wall-item:nth-child(1),
  .wall-item:nth-child(2){grid-column:span 6}
  .wall-item:nth-child(3),
  .wall-item:nth-child(4){grid-column:span 6}
  .wall-item:nth-child(5){grid-column:span 12}
  .wall-item:nth-child(3) img,
  .wall-item:nth-child(4) img{height:210px}
  .wall-item:nth-child(5) img{height:210px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .topbar{height:36px}
  .topbar-label{font-size:12.5px}
  .count-num{font-size:14px}
  .count-cell{padding:2px 6px}
  .brand-row{height:56px}
  .site-header.is-compact .brand-row{height:56px}
  .brand-text{font-size:16px}
  .link-plain{display:none}
  .search.is-open .search-input{width:130px}
  .channel{height:46px;padding:0 12px;font-size:14.5px}
  .channel.is-active::after{left:12px;right:12px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .section--roomy{padding:72px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:16px}
  .cta-strip h2{font-size:22px}
  .news-grid{grid-template-columns:1fr}
  .wall{gap:16px}
  .wall-item:nth-child(1),
  .wall-item:nth-child(2),
  .wall-item:nth-child(3),
  .wall-item:nth-child(4),
  .wall-item:nth-child(5){grid-column:span 12}
  .wall-item:nth-child(1) img,
  .wall-item:nth-child(2) img{height:230px}
  .wall-item:nth-child(3) img,
  .wall-item:nth-child(4) img,
  .wall-item:nth-child(5) img{height:190px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a{padding:0 16px}
  .faq-a p{max-width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 16px 32px}
  .footer-bottom{padding:16px 16px 22px}
}
@media (max-width:519px){
  .countdown{gap:4px}
  .count-cell span.count-unit{display:none}
  .topbar-inner{gap:10px}
  .hero-stats{margin:-36px 10px 0 10px;padding:16px}
  .field-row{grid-template-columns:1fr}
  .btn-code{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#05070F;
  --bg-1:#0A1020;
  --bg-2:#101A33;
  --brand:#16C7E8;
  --brand-deep:#0B7C9C;
  --accent:#FF8A3D;
  --accent-deep:#D9661F;
  --accent-2:#7C5CFF;
  --text-1:#EAF2FF;
  --text-2:#A9B8D0;
  --text-3:#6E7E99;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(22,199,232,.35);
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 20px 45px -22px rgba(0,0,0,.85);
  --shadow-btn:0 0 0 1px rgba(22,199,232,.4), 0 10px 28px -10px rgba(22,199,232,.55);
  --shadow-accent:0 0 0 1px rgba(255,138,61,.42), 0 10px 28px -10px rgba(255,138,61,.6);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease)}
a:hover{color:#5ee0f8}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(22,199,232,.32);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
/* ---------- 公告条 ---------- */
.notice-bar{
  background:rgba(10,16,32,.92);
  border-bottom:1px solid var(--line);
  min-height:40px;
  display:flex;
  align-items:center;
  position:relative;
  z-index:40;
}
.notice-inner{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14px;
  color:var(--text-2);
  min-height:40px;
}
.notice-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,138,61,.16);
  flex:none;
}
.notice-text{
  flex:1 1 auto;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.notice-link{
  flex:none;
  color:var(--brand);
  border-bottom:1px dashed rgba(22,199,232,.5);
  padding-bottom:1px;
  font-size:14px;
}
/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(5,7,15,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-compact{background:rgba(5,7,15,.95);box-shadow:0 12px 30px -22px rgba(0,0,0,.95)}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
  transition:min-height .26s var(--ease);
}
.site-header.is-compact .brand-row{min-height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.logo-mark{width:32px;height:32px;flex:none}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:16px}
.search{
  display:flex;
  align-items:center;
  gap:0;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:999px;
  height:40px;
  padding:0 6px;
  transition:border-color .24s var(--ease),background .24s var(--ease),width .24s var(--ease);
}
.search.is-open{border-color:var(--line-strong);background:rgba(22,199,232,.08)}
.search-toggle{
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:0;color:var(--text-2);border-radius:50%;
}
.search-toggle:hover{color:var(--brand)}
.search-input{
  width:0;
  opacity:0;
  border:0;
  background:transparent;
  color:var(--text-1);
  height:34px;
  padding:0;
  transition:width .26s var(--ease),opacity .2s var(--ease),padding .26s var(--ease);
}
.search.is-open .search-input{width:220px;opacity:1;padding:0 10px 0 2px}
.search-input::placeholder{color:var(--text-3)}
.search-input:focus{outline:none}
.link-plain{color:var(--text-2);font-size:15px}
.link-plain:hover{color:var(--text-1)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-md);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:transform .22s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#04202A;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{filter:brightness(1.06);color:#04202A;box-shadow:0 0 0 1px rgba(22,199,232,.55),0 16px 34px -12px rgba(22,199,232,.7)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,199,232,.4),0 6px 16px -10px rgba(22,199,232,.6)}
.btn-accent{
  color:#2A1206;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-deep) 100%);
  box-shadow:var(--shadow-accent);
}
.btn-accent:hover{filter:brightness(1.06);color:#2A1206;box-shadow:0 0 0 1px rgba(255,138,61,.55),0 16px 34px -12px rgba(255,138,61,.7)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.05);
  border-color:var(--line);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:var(--line-strong);color:var(--text-1)}
.btn[disabled],.btn.is-disabled{filter:saturate(.3);opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
/* 频道行 */
.channel-row{
  border-top:1px solid var(--line);
  background:rgba(5,7,15,.6);
  position:relative;
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  flex:none;
  padding:14px 14px 15px;
  color:var(--text-2);
  font-size:15px;
  border-radius:8px;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--accent-2));
  opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.channel:hover::after{opacity:.4;transform:scaleX(1)}
.channel.is-active{color:var(--text-1);font-weight:600}
.channel.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(22,199,232,.6)}
/* ---------- 面包屑 ---------- */
.crumb-wrap{border-bottom:1px solid var(--line);background:rgba(10,16,32,.5)}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-3);
  padding:14px 24px;
  max-width:var(--container);
  margin:0 auto;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--text-1);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ---------- 布局 ---------- */
.page-main{padding:48px 0 96px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;
  align-items:start;
}
.article-col{min-width:0}
/* 文章头 */
.article-head{
  border-bottom:1px solid var(--line);
  padding-bottom:28px;
  margin-bottom:32px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(124,92,255,.16);
  border:1px solid rgba(124,92,255,.42);
  color:#C9BBFF;
}
.article-head h1{
  font-size:44px;
  margin:18px 0 18px;
  letter-spacing:.005em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  color:var(--text-3);font-size:14px;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.article-meta strong{color:var(--text-2);font-weight:600}
.share-group{display:flex;align-items:center;gap:10px;margin-top:20px}
.share-btn{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.share-btn:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(22,199,232,.09);transform:translateY(-2px)}
.share-btn.is-copied{color:var(--ok);border-color:rgba(52,211,153,.45)}
/* 正文 */
.article-body{
  max-width:800px;
  font-size:16.5px;
  line-height:1.85;
  color:#D7E2F5;
  word-break:break-word;
}
.article-body > * + *{margin-top:1.1em}
.article-body p{margin:0}
.article-body h2{
  position:relative;
  font-size:30px;
  color:var(--text-1);
  margin:2em 0 .8em;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 14px rgba(22,199,232,.5);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--text-1);margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-1);margin:1.4em 0 .5em}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(22,199,232,.55)}
.article-body a:hover{color:#67e4fa;border-bottom-style:solid}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--brand);opacity:.85;
}
.article-body ol{counter-reset:art;list-style:none}
.article-body ol li{position:relative;padding-left:30px;margin:.6em 0;counter-increment:art}
.article-body ol li::before{
  content:counter(art,decimal-leading-zero);
  position:absolute;left:0;top:.18em;
  font-size:13px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
  border:1px solid var(--line-strong);border-radius:6px;padding:0 5px;line-height:1.5;
}
.article-body blockquote{
  margin:1.4em 0;
  padding:20px 22px;
  background:var(--glass);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:var(--radius-md);
  color:var(--text-2);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.article-body blockquote p + p{margin-top:.8em}
.article-body img{border-radius:12px;margin:1.2em 0 .6em;width:100%;height:auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--text-3);margin-top:8px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
}
.article-body thead th{
  background:rgba(22,199,232,.08);
  color:var(--text-1);
  border-bottom:1px solid var(--line-strong);
  text-align:left;
  padding:12px 14px;font-weight:600;
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:rgba(22,199,232,.1);color:#8DE7F7;
  padding:2px 6px;border-radius:6px;
}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  background:var(--glass);
  padding:48px 24px;
  text-align:center;
  color:var(--text-2);
}
.empty-state svg{color:var(--text-3);margin-bottom:14px}
.empty-state p{font-size:15px;margin-bottom:18px}
/* 文章尾 */
.article-foot{margin-top:44px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .tag-label{font-size:14px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;
  background:rgba(124,92,255,.14);
  border:1px solid rgba(124,92,255,.35);
  color:#C4B6FF;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.tag:hover{background:rgba(124,92,255,.26);color:#E0D8FF}
.nav-cards{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;
}
.nav-card{
  display:block;
  padding:20px 22px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  color:var(--text-1);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-card);color:var(--text-1)}
.nav-card .nav-label{font-size:13px;color:var(--text-3);display:block;margin-bottom:8px}
.nav-card .nav-title{font-size:16px;font-weight:600;line-height:1.5}
.nav-card.next{text-align:right}
.back-row{margin-top:26px}
/* 相关推荐 */
.related{margin-top:64px}
.section-head{margin-bottom:22px}
.section-head h2{
  position:relative;font-size:26px;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent-2));
  box-shadow:0 0 14px rgba(22,199,232,.5);
}
.section-head p{color:var(--text-2);font-size:14px;margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  color:var(--text-1);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.related-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-card);color:var(--text-1)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease),filter .28s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.03);filter:brightness(1.08)}
.related-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.related-body h3{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);margin-top:auto;
}
.card-foot .go{display:inline-flex;align-items:center;gap:4px;color:var(--brand)}
.related-card:hover .card-foot .go svg{transform:translateX(2px)}
.card-foot .go svg{transition:transform .24s var(--ease)}
/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:132px}
.side-card{
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  padding:22px;
}
.side-card h3{
  font-size:15px;font-weight:600;color:var(--text-1);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-card h3::before{
  content:"";width:4px;height:14px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.toc-list li + li{margin-top:4px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;
  color:var(--text-2);font-size:14px;
  transition:background .22s var(--ease),color .22s var(--ease),padding-left .22s var(--ease);
}
.toc-list a:hover{background:rgba(255,255,255,.06);color:var(--text-1);padding-left:14px}
.hot-list li + li{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.hot-list a{display:block;color:var(--text-2);font-size:14px;line-height:1.6}
.hot-list a:hover{color:var(--brand)}
.hot-list span{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.side-cta{
  border-radius:var(--radius-lg);
  padding:24px 22px;
  background:linear-gradient(160deg,rgba(22,199,232,.16),rgba(124,92,255,.14));
  border:1px solid var(--line-strong);
}
.side-cta p{font-size:14px;color:var(--text-2);margin:10px 0 18px;line-height:1.7}
.side-cta .btn{width:100%}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:#03050B;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-top:60px;
  padding-bottom:40px;
}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;margin-top:16px;max-width:340px}
.footer-meta{color:var(--text-3) !important;font-size:13px !important;margin-top:14px !important}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul li + li{margin-top:10px}
.footer-col a{color:var(--text-2);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);
  padding-top:20px;padding-bottom:26px;
  color:var(--text-3);font-size:13px;
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-2);font-size:13px;
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.to-top:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px)}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;margin-top:48px}
  .side-cta .btn{width:auto}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .crumb{padding:14px 20px}
  .article-head h1{font-size:36px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-main{padding:40px 0 72px}
  .search.is-open .search-input{width:160px}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand-text{font-size:16px}
  .header-tools .link-plain{display:none}
  .search{border-color:transparent;background:transparent;padding:0}
  .search.is-open{position:absolute;left:16px;right:16px;top:50%;transform:translateY(-50%);background:rgba(10,16,32,.98);border-color:var(--line-strong);padding:0 6px;z-index:5}
  .search.is-open .search-input{width:100%}
  .brand-row{min-height:56px}
  .site-header.is-compact .brand-row{min-height:56px}
  .article-head h1{font-size:30px;margin:14px 0 16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .nav-cards{grid-template-columns:1fr}
  .nav-card.next{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .crumb .current{max-width:100%}
  .notice-text{font-size:13px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .crumb{padding:12px 16px;font-size:13px}
  .btn{padding:0 16px}
  .article-body{font-size:16px}
  .article-body table{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070F;
  --bg-1:#0A1020;
  --bg-2:#101A33;
  --brand:#16C7E8;
  --brand-deep:#0B7C9C;
  --accent:#FF8A3D;
  --accent-2:#7C5CFF;
  --text-1:#EAF2FF;
  --text-2:#A9B8D0;
  --text-3:#6E7E99;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(22,199,232,.35);
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --glass:rgba(255,255,255,.055);
  --glass-border:rgba(255,255,255,.12);
  --r-card:16px;
  --r-sub:12px;
  --r-pill:999px;
  --shadow-card:0 20px 45px -22px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 0%,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(22,199,232,.35)}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ---------- 公告条 ---------- */
.notice-bar{
  background:rgba(10,16,32,.92);
  border-bottom:1px solid var(--line);
  min-height:40px;
  display:flex;
  align-items:center;
  font-size:14px;
  color:var(--text-2);
}
.notice-inner{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 0}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,138,61,.16);flex:0 0 auto}
.notice-bar strong{color:var(--text-1);font-weight:600}
.notice-bar .text-link{margin-left:auto}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,7,15,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-compact{background:rgba(5,7,15,.94);box-shadow:0 18px 40px -28px rgba(0,0,0,.95)}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height .24s var(--ease);
}
.site-header.is-compact .brand-row{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;flex:0 0 auto;filter:drop-shadow(0 0 10px rgba(22,199,232,.35))}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--text-1);white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:14px}
.search{display:flex;align-items:center;gap:6px}
.search-toggle{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.search-toggle:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(22,199,232,.10)}
.search-input{
  width:0;opacity:0;padding:0;border:1px solid transparent;height:38px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  color:var(--text-1);
  transition:width .26s var(--ease),opacity .26s var(--ease),padding .26s var(--ease),border-color .26s var(--ease);
}
.search-input::placeholder{color:var(--text-3)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,232,.20)}
.search.is-open .search-input{width:250px;opacity:1;padding:0 16px;border-color:var(--line)}
.link-plain{font-size:14.5px;color:var(--text-2);transition:color .22s var(--ease)}
.link-plain:hover{color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-sub);
  font-size:15px;font-weight:600;
  letter-spacing:.02em;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background .22s var(--ease);
}
.btn-primary{
  color:#04222B;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  box-shadow:0 0 0 1px rgba(22,199,232,.4),0 10px 28px -10px rgba(22,199,232,.55);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(22,199,232,.55),0 16px 36px -12px rgba(22,199,232,.75)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,199,232,.45),0 6px 16px -10px rgba(22,199,232,.6)}
.btn-accent{
  color:#2A1204;
  background:linear-gradient(135deg,#FFA35C 0%,var(--accent) 100%);
  box-shadow:0 0 0 1px rgba(255,138,61,.42),0 10px 28px -10px rgba(255,138,61,.6);
}
.btn-accent:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,138,61,.6),0 16px 36px -12px rgba(255,138,61,.8)}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,138,61,.5),0 6px 16px -10px rgba(255,138,61,.6)}
.btn-ghost{
  color:var(--text-1);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--brand);background:rgba(22,199,232,.08)}
.btn:disabled,.btn.is-disabled{opacity:.45;filter:saturate(.3);cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{height:40px;padding:0 16px;font-size:14px}

/* ---------- 频道行 ---------- */
.channel-row{border-top:1px solid var(--line);position:relative}
.channel-row::before,.channel-row::after{
  content:"";position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;opacity:0;
}
.channel-row::before{left:0;background:linear-gradient(90deg,var(--bg-0),transparent)}
.channel-row::after{right:0;background:linear-gradient(270deg,var(--bg-0),transparent)}
.channel-inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  padding:14px 14px 15px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
  border-radius:10px 10px 0 0;
}
.channel::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;
  transition:transform .24s var(--ease);opacity:.95;
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.channel.is-active{color:var(--text-1);font-weight:600;text-shadow:0 0 14px rgba(22,199,232,.5)}
.channel.is-active::after{transform:scaleX(1)}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(10,16,32,.55)}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-3);padding:12px 0;flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--text-1)}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(5,7,15,.90) 0%,rgba(5,7,15,.72) 55%,rgba(5,7,15,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(22,199,232,.07) 1px,transparent 1px);
  background-size:88px 100%;
  pointer-events:none;
}
.hero-inner{padding:64px 0;max-width:760px;position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(22,199,232,.08);
  padding:5px 14px;border-radius:var(--r-pill);
  margin-bottom:20px;
}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:.01em;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);text-shadow:0 0 22px rgba(22,199,232,.45)}
.hero-lead{font-size:17px;color:var(--text-2);max-width:620px}
.hero-actions{display:flex;align-items:center;gap:18px;margin-top:28px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;color:var(--brand);
  transition:color .22s var(--ease),gap .22s var(--ease);
}
.text-link svg{transition:transform .22s var(--ease)}
.text-link:hover{color:#5FE4FA}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:30px;line-height:1.35;font-weight:700;
  padding-left:16px;position:relative;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 14px rgba(22,199,232,.6);
}
.section-head p{color:var(--text-2);font-size:16px}

/* ---------- 玻璃卡 ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
  border-radius:var(--r-card);
}

/* ---------- 公告长条列表 ---------- */
.notice-list{display:flex;flex-direction:column;gap:24px}
.news-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:28px;
  min-height:200px;
  padding:20px;
  align-items:stretch;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-row:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.10),0 26px 52px -24px rgba(0,0,0,.95)}
.news-media{position:relative;border-radius:var(--r-sub);overflow:hidden;min-height:200px}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease),filter .28s var(--ease)}
.news-row:hover .news-media img{transform:scale(1.04);filter:brightness(1.1)}
.news-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.06) 40%,rgba(5,7,15,.62) 100%);
  pointer-events:none;
}
.corner-tag{
  position:absolute;left:0;bottom:0;z-index:2;
  background:linear-gradient(135deg,rgba(22,199,232,.92),rgba(11,124,156,.92));
  color:#04222B;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  padding:6px 14px 6px 12px;
  clip-path:polygon(0 0,100% 0,88% 100%,0 100%);
}
.news-body{display:flex;flex-direction:column;gap:12px;padding:6px 6px 6px 0}
.meta-line{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--line-strong);
  color:var(--brand);background:rgba(22,199,232,.09);
}
.pill.violet{color:#B7A6FF;border-color:rgba(124,92,255,.42);background:rgba(124,92,255,.12)}
.pill.amber{color:#FFB37A;border-color:rgba(255,138,61,.42);background:rgba(255,138,61,.12)}
.news-body h3{font-size:20px;font-weight:600;line-height:1.5}
.news-body p{color:var(--text-2);font-size:15.5px;line-height:1.8;flex:1}
.row-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:12px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--text-3);flex-wrap:wrap;
}

/* ---------- 数据带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.stat-item{padding:26px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item strong{
  display:block;
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--accent);letter-spacing:.02em;
  text-shadow:0 0 20px rgba(255,138,61,.35);
}
.stat-item span{display:block;font-size:14px;color:var(--text-2);margin-top:6px}
.stat-item em{display:block;font-size:13px;color:var(--text-3);font-style:normal;margin-top:2px}

/* ---------- 核对步骤 ---------- */
.check-steps{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;position:relative;
}
.check-steps li{
  position:relative;padding:0 28px;
  border-left:1px solid var(--line);
}
.check-steps li:first-child{border-left:0;padding-left:0}
.check-steps li:last-child{padding-right:0}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sub);
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:15px;font-weight:700;color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(22,199,232,.08);
  margin-bottom:16px;
}
.check-steps h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.5}
.check-steps p{font-size:15px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(22,199,232,.18),0 20px 45px -26px rgba(0,0,0,.9)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text-1);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.faq-q:hover{color:var(--brand);background:rgba(255,255,255,.03)}
.faq-no{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13px;color:var(--brand);flex:0 0 auto;
  border:1px solid var(--line-strong);border-radius:8px;
  padding:2px 8px;background:rgba(22,199,232,.07);
}
.faq-q .arrow{margin-left:auto;flex:0 0 auto;color:var(--text-3);transition:transform .26s var(--ease),color .26s var(--ease)}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .28s var(--ease),opacity .28s var(--ease);
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a-inner{
  padding:0 22px 20px 60px;max-width:92%;
  color:var(--text-2);font-size:15.5px;line-height:1.85;
}

/* ---------- CTA 横条 ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 36px;
  border-radius:var(--r-card);
  border:1px solid var(--glass-border);
  background-image:linear-gradient(90deg,rgba(5,7,15,.92),rgba(10,16,32,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.22),transparent 68%);
  pointer-events:none;
}
.cta-copy h2{font-size:26px;font-weight:700;margin-bottom:10px;line-height:1.4}
.cta-copy p{color:var(--text-2);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 骨架 / 空态 ---------- */
.skeleton{
  border-radius:var(--r-sub);
  background:linear-gradient(90deg,rgba(255,255,255,.05) 20%,rgba(255,255,255,.11) 40%,rgba(255,255,255,.05) 60%);
  background-size:280% 100%;
  animation:sk 1.4s linear infinite;
  min-height:16px;
}
@keyframes sk{0%{background-position:120% 0}100%{background-position:-40% 0}}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;color:var(--text-2);
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
}
.empty-state svg{color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#03050C;
  border-top:1px solid var(--line);
  padding-top:64px;
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-brand p{color:var(--text-2);font-size:14.5px;max-width:340px;line-height:1.8}
.footer-meta{color:var(--text-3)!important;font-size:13.5px!important;margin-top:14px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:var(--text-2);transition:color .22s var(--ease),padding-left .22s var(--ease)}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);
  padding-top:20px;padding-bottom:26px;
  font-size:13.5px;color:var(--text-3);
  flex-wrap:wrap;
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 14px;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.to-top:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(22,199,232,.08)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .section{padding:80px 0}
  .page-hero h1{font-size:38px}
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .news-row{grid-template-columns:1fr;min-height:0}
  .news-media{min-height:200px}
  .search.is-open .search-input{width:200px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section.tight{padding:48px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px}
  .page-hero{min-height:240px}
  .hero-inner{padding:44px 0}
  .page-hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .brand-row{height:56px}
  .site-header.is-compact .brand-row{height:56px}
  .brand-text{font-size:16px}
  .logo-mark{width:30px;height:30px}
  .header-tools .link-plain{display:none}
  .search.is-open .search-input{width:150px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .check-steps{grid-template-columns:1fr;gap:28px}
  .check-steps li{border-left:0;padding:0 0 0 18px;border-left:1px solid var(--line)}
  .check-steps li:first-child{padding-left:18px}
  .check-steps li:last-child{padding-right:0}
  .stat-item{padding:20px 18px}
  .stat-item strong{font-size:24px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:22px}
  .cta-copy h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .news-row{padding:16px}
  .news-body h3{font-size:18px}
  .faq-a-inner{padding:0 18px 18px 18px;max-width:100%}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .stat-band{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
  .page-hero h1{font-size:26px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070F;
  --bg-1:#0A1020;
  --bg-2:#101A33;
  --brand:#16C7E8;
  --brand-deep:#0B7C9C;
  --accent:#FF8A3D;
  --accent-2:#7C5CFF;
  --text-1:#EAF2FF;
  --text-2:#A9B8D0;
  --text-3:#6E7E99;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(22,199,232,.35);
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.12);
  --r-card:16px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 20px 45px -22px rgba(0,0,0,.85);
  --shadow-glow:0 0 0 1px rgba(22,199,232,.4),0 10px 28px -10px rgba(22,199,232,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:260ms;
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1100px 560px at 82% -12%, rgba(22,199,232,.10), transparent 62%),
    radial-gradient(880px 520px at -6% 18%, rgba(124,92,255,.08), transparent 58%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  color:var(--text-1);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(22,199,232,.32)}

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

/* ---------- 顶部公告条 ---------- */
.notice-bar{
  background:rgba(10,16,32,.94);
  border-bottom:1px solid var(--line);
  height:40px;
  display:flex;
  align-items:center;
  backdrop-filter:blur(8px);
}
.notice-inner{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--text-2)}
.notice-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,138,61,.16);
  flex:none;
}
.notice-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-link{
  margin-left:auto;flex:none;color:var(--brand);font-size:13.5px;
  display:inline-flex;align-items:center;gap:4px;
  transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.notice-link:hover{color:#8BE9FA}

/* ---------- 品牌行与频道行 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.84);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-compact{background:rgba(5,7,15,.95);box-shadow:0 18px 40px -30px rgba(0,0,0,.95)}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;transition:height var(--dur) var(--ease);
}
.site-header.is-compact .brand-row{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:30px;height:30px;flex:none}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:14px}

.search{position:relative;display:flex;align-items:center}
.search-toggle{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  display:grid;place-items:center;cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.search-toggle:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(255,255,255,.06)}
.search-input{
  width:0;height:40px;padding:0;opacity:0;
  border:1px solid transparent;border-radius:10px;
  background:rgba(255,255,255,.07);
  transition:width var(--dur) var(--ease),opacity var(--dur) var(--ease),padding var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.search-input::placeholder{color:var(--text-3)}
.search.is-open .search-input{width:250px;padding:0 14px;opacity:1;border-color:var(--line)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,199,232,.22)}

.link-plain{
  font-size:14.5px;color:var(--text-2);padding:6px 4px;
  transition:color var(--dur) var(--ease);
}
.link-plain:hover{color:var(--text-1)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,#16C7E8 0%,var(--brand-deep) 100%);
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(22,199,232,.55),0 16px 36px -12px rgba(22,199,232,.7);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,199,232,.35),0 6px 16px -10px rgba(22,199,232,.5)}
.btn-accent{
  background:linear-gradient(180deg,#FFA063 0%,#E36A1F 100%);
  color:#1B0E04;
  box-shadow:0 0 0 1px rgba(255,138,61,.45),0 10px 28px -10px rgba(255,138,61,.6);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,138,61,.6),0 16px 34px -12px rgba(255,138,61,.72)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn:disabled,.btn[disabled]{
  opacity:.45;filter:saturate(30%);cursor:not-allowed;transform:none;box-shadow:none;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

.channel-row{border-top:1px solid var(--line)}
.channel-inner{
  display:flex;align-items:center;gap:6px;height:52px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;padding:7px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.channel.is-active{color:var(--text-1);font-weight:600}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;
  border-radius:3px;background:var(--brand);
  box-shadow:0 0 12px rgba(22,199,232,.75);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:13.5px;color:var(--text-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.22)}
.breadcrumb a{color:var(--text-2);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--text-1)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-sm{padding:56px 0}
.section-md{padding:72px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-title{
  position:relative;font-size:30px;font-weight:700;line-height:1.35;
  padding-left:16px;letter-spacing:.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:.92em;
  border-radius:3px;background:linear-gradient(180deg,var(--brand),rgba(22,199,232,.15));
  box-shadow:0 0 14px rgba(22,199,232,.5);
}
.section-sub{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:680px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--line-strong)}

/* ---------- 分类横幅 ---------- */
.banner{
  position:relative;margin-top:22px;
  border-radius:20px;overflow:hidden;
  border:1px solid var(--glass-line);
  min-height:280px;
  display:flex;align-items:center;
  box-shadow:var(--shadow-card);
}
.banner-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.banner::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(5,7,15,.94) 0%,rgba(5,7,15,.78) 52%,rgba(5,7,15,.5) 100%);
}
.banner::after{
  content:"";position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(22,199,232,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(22,199,232,.07) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(70% 90% at 78% 50%,#000,transparent 72%);
}
.banner-inner{position:relative;z-index:2;padding:44px 44px;max-width:760px}
.banner h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:.01em;
}
.banner h1 em{
  font-style:normal;
  background:linear-gradient(96deg,#8BE9FA,#16C7E8 46%,#7C5CFF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner p{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--text-2);max-width:620px}
.banner-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.meta-pill{
  font-size:13px;color:var(--text-2);
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
}

/* ---------- 专题卡与侧栏 ---------- */
.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.topic-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

.card-topic{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card-topic:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 28px 56px -26px rgba(0,0,0,.92),0 0 0 1px rgba(22,199,232,.22);
}
.card-index{
  position:absolute;top:14px;left:14px;z-index:3;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  padding:4px 11px;border-radius:var(--r-pill);
  color:var(--brand);
  background:rgba(5,7,15,.76);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(6px);
}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter var(--dur) var(--ease)}
.card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.05) 40%,rgba(5,7,15,.78) 100%);
}
.card-topic:hover .card-cover img{transform:scale(1.03);filter:brightness(1.08)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px;font-weight:600;line-height:1.5}
.card-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12.5px;line-height:1.6;
  padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
}
.tag-brand{color:var(--brand);border-color:var(--line-strong);background:rgba(22,199,232,.08)}
.tag-violet{color:#C6BAFF;border-color:rgba(124,92,255,.42);background:rgba(124,92,255,.10)}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-time{font-size:13px;color:var(--text-3)}
.card-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  transition:color var(--dur) var(--ease);
}
.card-link svg{transition:transform var(--dur) var(--ease)}
.card-topic:hover .card-link svg,.card-link:hover svg{transform:translateX(2px)}

/* 侧栏 */
.side{position:sticky;top:96px;display:grid;gap:20px;align-self:start}
.side-card{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  padding:22px;
}
.side-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.side-card .side-desc{font-size:13.5px;color:var(--text-3);margin-bottom:12px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li::before{
  content:"";flex:none;width:6px;height:6px;margin-top:.72em;border-radius:2px;
  background:var(--brand);box-shadow:0 0 8px rgba(22,199,232,.7);
}
.side-cta{
  border-radius:var(--r-card);
  border:1px solid rgba(255,138,61,.3);
  background:linear-gradient(180deg,rgba(255,138,61,.14),rgba(255,138,61,.04));
  padding:22px;
}
.side-cta h3{font-size:17px;font-weight:600}
.side-cta p{margin:8px 0 16px;font-size:14px;color:var(--text-2);line-height:1.75}
.side-cta .btn{width:100%}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 24px;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step::before{
  content:"";position:absolute;top:38px;left:64px;right:-22px;height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.step:last-child::before{display:none}
.step-num{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:700;font-size:15px;color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(22,199,232,.07);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  position:relative;z-index:1;
}
.step h3{margin-top:16px;font-size:18px;font-weight:600;line-height:1.5}
.step p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- 图文说明 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow-card)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,7,15,.6))}
.split-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.split-list li:last-child{border-bottom:0}
.split-list .num{
  flex:none;font-size:13px;font-weight:700;color:var(--brand);
  width:34px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:rgba(22,199,232,.07);
}
.split-list h4{font-size:16px;font-weight:600}
.split-list p{margin-top:4px;font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(12px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  margin-bottom:14px;overflow:hidden;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 18px 40px -26px rgba(0,0,0,.9),0 0 0 1px rgba(22,199,232,.16)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16.5px;font-weight:600;color:var(--text-1);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:#BFEFFB}
.faq-num{flex:none;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em}
.faq-arrow{margin-left:auto;flex:none;color:var(--text-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .32s var(--ease),opacity .28s var(--ease)}
.faq-item.is-open .faq-a{max-height:460px;opacity:1}
.faq-a p{
  padding:0 20px 20px 58px;max-width:92%;
  font-size:15.5px;color:var(--text-2);line-height:1.8;
}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;
  border:1px solid var(--glass-line);
  padding:34px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;
  background-color:rgba(255,255,255,.045);
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.20;
}
.cta-band::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(110deg,rgba(5,7,15,.92),rgba(10,16,32,.72));
}
.cta-left,.cta-form{position:relative;z-index:1}
.cta-left h2{font-size:28px;font-weight:700;line-height:1.4}
.cta-left p{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:520px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--text-3)}
.field input,.field select{
  height:48px;width:100%;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.08);
  padding:0 14px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(22,199,232,.25);
  background:rgba(255,255,255,.11);
}
.field.is-error input,.field.is-error select{border-color:var(--err)}
.form-msg{font-size:13px;color:var(--err);min-height:18px}
.form-msg.is-ok{color:var(--ok)}
.code-row{display:flex;gap:10px}
.code-row input{flex:1}
.code-row .btn{flex:none}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3);line-height:1.7}

/* 骨架屏与空态 */
.skeleton{
  border-radius:14px;height:110px;
  background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.11),rgba(255,255,255,.05));
  background-size:220% 100%;
  animation:shine 1.5s linear infinite;
}
@keyframes shine{0%{background-position:120% 0}100%{background-position:-120% 0}}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:#04060C;
  padding:60px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.footer-meta{margin-top:14px;font-size:13px;color:var(--text-3)}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text-1)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding:18px 0 26px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:13.5px;cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.to-top:hover{color:var(--text-1);border-color:var(--line-strong);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .topic-layout{grid-template-columns:minmax(0,1fr)}
  .side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-md{padding:60px 0}
  .section-sm{padding:48px 0}
  .banner h1{font-size:34px}
  .banner-inner{padding:34px 28px}
  .split{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::before{display:none}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-row{height:64px}
  .brand-text{font-size:17px}
  .search.is-open .search-input{width:170px}
  .link-plain{display:none}
  .banner{border-radius:16px;min-height:0}
  .banner h1{font-size:30px}
  .banner-inner{padding:28px 22px}
  .topic-cards{grid-template-columns:1fr}
  .side{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .cta-left h2{font-size:23px}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{padding:0 16px}
  .notice-bar{height:36px}
  .notice-inner{font-size:12.5px}
  .notice-text{max-width:200px}
  .banner h1{font-size:26px}
  .steps{grid-template-columns:1fr}
  .card-body{padding:20px}
  .faq-q{font-size:15.5px;padding:16px}
  .faq-a p{padding:0 16px 18px 16px}
  .cta-band{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg-0:#05070F;
  --bg-1:#0A1020;
  --bg-2:#101A33;
  --brand:#16C7E8;
  --brand-deep:#0B7C9C;
  --accent:#FF8A3D;
  --accent-2:#7C5CFF;
  --text-1:#EAF2FF;
  --text-2:#A9B8D0;
  --text-3:#6E7E99;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(22,199,232,.35);
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --glass:rgba(255,255,255,.055);
  --r-card:16px;
  --r-sm:12px;
  --r-faq:14px;
  --r-pill:999px;
  --shadow-card:0 20px 45px -22px rgba(0,0,0,.85);
  --dur:260ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 8%,transparent 72%);
  mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 8%,transparent 72%);
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
a:hover{color:#5FE0F6}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
  border-radius:var(--r-card);
}

/* ---------- 公告条 ---------- */
.notice-bar{
  height:40px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  background:rgba(10,16,32,.62);
  font-size:13.5px;
  color:var(--text-2);
}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.notice-text{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice-tag{
  flex:none;
  font-size:12px;
  line-height:1;
  padding:5px 9px;
  border-radius:var(--r-pill);
  color:#062028;
  background:linear-gradient(180deg,#19CDEF,var(--brand-deep));
  font-weight:700;
  letter-spacing:.04em;
}
.notice-link{flex:none;font-size:13.5px;color:var(--brand);border-bottom:1px dashed rgba(22,199,232,.5)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,7,15,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.site-header.is-compact{background:rgba(5,7,15,.94)}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-compact .brand-row{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);flex:none}
.brand:hover{color:var(--text-1)}
.logo-mark{width:30px;height:30px;flex:none;filter:drop-shadow(0 0 10px rgba(22,199,232,.35))}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:14px;min-width:0}

.search{
  display:flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 6px 0 10px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search:hover{border-color:var(--line-strong)}
.search.is-open{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(22,199,232,.14)}
.search-toggle{
  display:grid;place-items:center;
  width:32px;height:32px;
  border:0;border-radius:50%;
  background:transparent;color:var(--text-2);cursor:pointer;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.search-toggle:hover{color:var(--brand);background:rgba(255,255,255,.06)}
.search-input{
  width:0;opacity:0;padding:0;border:0;background:transparent;
  font-size:14.5px;transition:width var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.search-input::placeholder{color:var(--text-3)}
.search.is-open .search-input{width:200px;opacity:1}
.search-input:focus{outline:none}

.link-plain{font-size:14.5px;color:var(--text-2);white-space:nowrap}
.link-plain:hover{color:var(--text-1)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border:1px solid transparent;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-primary{
  background:linear-gradient(180deg,#19CDEF,var(--brand-deep));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(22,199,232,.4),0 10px 28px -10px rgba(22,199,232,.55);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,199,232,.55),0 16px 36px -12px rgba(22,199,232,.75)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,199,232,.35),0 6px 16px -10px rgba(22,199,232,.5)}
.btn-accent{
  background:linear-gradient(180deg,#FFA05F,var(--accent));
  color:#2A1204;
  box-shadow:0 0 0 1px rgba(255,138,61,.42),0 10px 28px -10px rgba(255,138,61,.6);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,138,61,.6),0 16px 36px -12px rgba(255,138,61,.8)}
.btn-accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,138,61,.35),0 6px 16px -10px rgba(255,138,61,.5)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--line-strong);color:var(--text-1);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;filter:saturate(.3);transform:none}

/* ---------- 频道行 ---------- */
.channel-row{border-top:1px solid var(--line);background:rgba(10,16,32,.35)}
.channel-inner{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  flex:none;
  padding:12px 14px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:8px 8px 0 0;
  white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),text-shadow var(--dur) var(--ease);
}
.channel::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
  transform:scaleX(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.channel.is-active{color:var(--text-1);text-shadow:0 0 14px rgba(22,199,232,.5)}
.channel.is-active::after{transform:scaleX(1)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;font-size:13.5px;color:var(--text-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--text-3);opacity:.6}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--text-1)}

/* ---------- 主区域 ---------- */
main{position:relative;z-index:1}
.section{padding:96px 0 0}
.section-tight{padding:72px 0 0}
.section-title{
  position:relative;
  padding-left:14px;
  font-size:30px;
  line-height:1.25;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.section-sub{margin:12px 0 0;max-width:760px;color:var(--text-2);font-size:15.5px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  margin-top:24px;
  min-height:280px;
  display:flex;
  align-items:center;
  border-radius:20px;
  border:1px solid var(--line);
  overflow:hidden;
  background-image:linear-gradient(100deg,rgba(5,7,15,.92) 8%,rgba(5,7,15,.72) 62%,rgba(5,7,15,.86)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  background-attachment:fixed;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 70%);
  mask-image:linear-gradient(120deg,#000,transparent 70%);
}
.banner-inner{position:relative;z-index:1;padding:44px 40px;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:#D9C9FF;
  background:rgba(124,92,255,.14);
  border:1px solid rgba(124,92,255,.38);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(22,199,232,.9)}
.banner-inner h1{
  font-size:44px;
  line-height:1.25;
  margin:18px 0 14px;
  letter-spacing:.01em;
}
.banner-inner h1 .hl{color:var(--brand)}
.banner-inner .lead{font-size:16.5px;color:var(--text-2);max-width:620px;margin-bottom:26px}
.banner-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--brand);border-bottom:1px dashed rgba(22,199,232,.5);padding-bottom:2px;
}
.text-link:hover{gap:10px;color:#5FE0F6}
.text-link svg{transition:transform var(--dur) var(--ease)}

/* ---------- 概览数据 ---------- */
.overview{margin-top:-56px;position:relative;z-index:2}
.overview-card{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:0;
  overflow:hidden;
  border-radius:20px;
}
.overview-copy{padding:32px}
.overview-copy h2{font-size:21px;margin-bottom:12px}
.overview-copy p{color:var(--text-2);font-size:15.5px;margin:0}
.stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-left:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.stat{display:flex;flex-direction:column;justify-content:center;gap:6px;padding:28px 18px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat-num{font-size:30px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13.5px;color:var(--text-2);line-height:1.6}

/* ---------- 时间轴 ---------- */
.timeline{display:flex;flex-direction:column;gap:28px}
.tl-item{display:grid;grid-template-columns:80px minmax(0,1fr);align-items:start}
.tl-axis{position:relative;display:flex;justify-content:center;padding-top:8px}
.tl-axis::after{
  content:"";position:absolute;left:50%;top:56px;bottom:-36px;width:1px;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--line-strong),rgba(22,199,232,.06));
}
.tl-item:last-child .tl-axis::after{display:none}
.tl-dot{
  position:relative;z-index:1;
  display:grid;place-items:center;
  width:46px;height:46px;border-radius:50%;
  font-size:14.5px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
  background:radial-gradient(circle at 32% 28%,rgba(22,199,232,.24),rgba(10,16,32,.92));
  border:1px solid var(--line-strong);
  box-shadow:0 0 22px -6px rgba(22,199,232,.55);
}
.tl-card{padding:26px 28px}
.tl-card-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tl-card h3{font-size:20px;line-height:1.4}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  color:#D9C9FF;background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.36);
}
.tag-brand{color:#BFF2FB;background:rgba(22,199,232,.12);border-color:rgba(22,199,232,.36)}
.tl-card p{color:var(--text-2);font-size:15.5px;margin:0 0 16px}
.tl-points li{
  position:relative;
  padding-left:18px;
  margin-bottom:8px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.75;
}
.tl-points li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.tl-meta{
  display:flex;align-items:center;gap:8px;
  margin-top:18px;padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.tl-meta strong{color:var(--warn);font-weight:600}

/* ---------- 图文对照 ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:44px;align-items:center}
.split-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.split-media img{width:100%;height:340px;object-fit:cover;border-radius:0}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,0) 40%,rgba(5,7,15,.72));
}
.split-media .media-tag{
  position:absolute;left:18px;bottom:16px;z-index:1;
  font-size:13px;color:var(--text-1);
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(5,7,15,.68);border:1px solid var(--line);
}
.pit-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.pit{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;
  padding:18px 20px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.pit:hover{border-color:var(--line-strong);background:rgba(255,255,255,.065);transform:translateY(-2px)}
.pit-mark{
  display:grid;place-items:center;
  width:30px;height:30px;border-radius:9px;
  font-size:13px;font-weight:700;
  color:var(--accent);background:rgba(255,138,61,.12);border:1px solid rgba(255,138,61,.4);
}
.pit h4{font-size:16px;font-weight:600;margin-bottom:4px}
.pit p{margin:0;font-size:14.5px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  border-radius:var(--r-faq);
  background:var(--glass);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:var(--line-strong);box-shadow:0 18px 40px -24px rgba(22,199,232,.7)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;
  cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-num{
  flex:none;font-size:14px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(22,199,232,.45);
}
.faq-arrow{margin-left:auto;flex:none;color:var(--text-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 22px 22px 66px;max-width:92%;color:var(--text-2);font-size:15.5px;animation:fadeUp var(--dur) var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  padding:36px 40px;
  border-radius:20px;
  background:linear-gradient(110deg,rgba(22,199,232,.14),rgba(124,92,255,.10) 55%,rgba(255,138,61,.12));
  border:1px solid rgba(255,255,255,.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--shadow-card);
}
.cta-band h2{font-size:24px;margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15.5px;margin:0;max-width:640px}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:#03040A;
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 24px 40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--text-2);max-width:340px;margin-bottom:14px}
.footer-meta{font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.footer-col h4{font-size:14.5px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px 30px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text-2);font-size:13.5px;cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.to-top:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(255,255,255,.1);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .overview-card{grid-template-columns:1fr}
  .stats{border-left:0;border-top:1px solid var(--line)}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 20px 32px}
  .footer-bottom{padding:20px 20px 26px}
  .page-banner{background-attachment:scroll}
  .section{padding:72px 0 0}
  .section-tight{padding:56px 0 0}
  .banner-inner{padding:36px 28px}
  .banner-inner h1{font-size:34px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-media img{height:280px}
  .cta-band{grid-template-columns:1fr;padding:30px 26px}
  .search.is-open .search-input{width:150px}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand-row{height:60px;gap:12px}
  .brand-text{font-size:15.5px}
  .logo-mark{width:26px;height:26px}
  .link-plain{display:none}
  .search.is-open .search-input{width:110px}
  .channel-inner{gap:0}
  .channel{padding:11px 12px;font-size:14px}
  .notice-bar{height:36px;font-size:12.5px}
  .notice-tag{font-size:11px;padding:4px 8px}
  .section-title{font-size:23px}
  .section{padding:56px 0 0}
  .section-tight{padding:48px 0 0}
  .page-banner{min-height:240px;border-radius:16px}
  .banner-inner{padding:28px 20px}
  .banner-inner h1{font-size:28px;margin:14px 0 12px}
  .banner-inner .lead{font-size:15.5px;margin-bottom:20px}
  .overview{margin-top:-40px}
  .overview-copy{padding:24px 20px}
  .stats{grid-template-columns:1fr;border-top:1px solid var(--line)}
  .stat{border-left:0;border-top:1px solid var(--line);flex-direction:row;align-items:baseline;gap:12px;padding:18px 20px}
  .stat:first-child{border-top:0}
  .stat-num{font-size:24px}
  .tl-item{grid-template-columns:54px minmax(0,1fr)}
  .tl-axis{padding-top:4px}
  .tl-dot{width:38px;height:38px;font-size:13px}
  .tl-axis::after{top:46px;bottom:-30px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:17.5px}
  .tl-points li{font-size:14.5px}
  .faq-item summary{padding:16px 18px;font-size:15.5px;gap:10px}
  .faq-body{padding:0 18px 18px 18px;max-width:100%}
  .cta-band{padding:26px 20px;border-radius:16px}
  .cta-band h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .split-media img{height:220px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 16px 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;padding:20px 16px 26px}
  .banner-inner h1{font-size:24px}
  .footer-brand p{max-width:none}
}
@media (min-width:1536px){
  .container{max-width:var(--container)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}