/* roulang page: index */
:root{
  --brand:#4B2ECC;
  --brand-deep:#3A22A6;
  --brand-soft:#EFEBFF;
  --ink:#0E0B1A;
  --ink-2:#1A1626;
  --mint:#2BE8C4;
  --orange:#FF6A3D;
  --nebula:#F5F3FF;
  --card:#FFFFFF;
  --text:#1A1626;
  --text-2:#565070;
  --text-3:#8A83A6;
  --light:#F2F0FA;
  --light-2:#B9B3CE;
  --line:#E6E1F5;
  --line-dark:rgba(255,255,255,.12);
  --radius:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-sm:0 2px 8px rgba(14,11,26,.06);
  --shadow-md:0 14px 36px rgba(14,11,26,.08);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.78;
  color:var(--text);
  background:#FFFFFF;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
.container--wide{max-width:1280px;}

/* ---------- 顶部状态条 ---------- */
.c-topbar{
  background:var(--ink);
  color:var(--light-2);
  font-size:13px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.c-topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
  padding:0 28px;
  max-width:1280px;
  margin:0 auto;
}
.c-topbar__ticker{
  display:flex;
  align-items:center;
  gap:10px;
  overflow:hidden;
  white-space:nowrap;
  flex:1 1 auto;
  min-width:0;
}
.c-topbar__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px rgba(43,232,196,.16);
  flex:0 0 auto;
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;}
  50%{opacity:.35;}
}
.c-topbar__text{
  overflow:hidden;
  text-overflow:ellipsis;
  letter-spacing:.02em;
}
.c-topbar__right{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.c-topbar__clock{
  display:flex;gap:4px;align-items:center;
}
.c-topbar__clock span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:22px;
  height:20px;
  padding:0 4px;
  border-radius:5px;
  background:rgba(255,255,255,.08);
  color:var(--mint);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:700;
}
.c-topbar__sep{color:rgba(255,255,255,.24);}

/* ---------- 导航 ---------- */
.c-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),padding .24s var(--ease);
}
.c-header.is-stuck{
  box-shadow:0 6px 24px rgba(14,11,26,.08);
}
.c-nav{
  display:flex;
  align-items:center;
  gap:24px;
  height:74px;
  transition:height .24s var(--ease);
}
.c-header.is-stuck .c-nav{height:66px;}
.c-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.c-logo__mark{
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(150deg,var(--brand) 0%,#7A5BFF 55%,var(--brand-deep) 100%);
  display:grid;
  place-items:center;
  box-shadow:0 6px 16px rgba(75,46,204,.28);
}
.c-logo__mark svg{width:20px;height:20px;display:block;}
.c-logo__text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.c-logo__name{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ink);
}
.c-logo__sub{
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-3);
  text-transform:uppercase;
}
.c-nav__links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:8px;
}
.c-nav__link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color .18s var(--ease);
  white-space:nowrap;
}
.c-nav__link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:60%;height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.c-nav__link:hover{color:var(--brand);}
.c-nav__link:hover::after,
.c-nav__link.is-active::after{transform:scaleX(1);}
.c-nav__link.is-active{color:var(--brand);font-weight:700;}
.c-nav__right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.badge-live{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  background:rgba(43,232,196,.16);
  color:#0B7A67;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-live i{
  width:6px;height:6px;border-radius:50%;
  background:#0FBFA0;
  display:inline-block;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 6px 18px rgba(75,46,204,.24);
}
.btn-primary:hover{
  background:var(--brand-deep);
  transform:translateY(-1px);
  box-shadow:0 0 0 4px rgba(75,46,204,.16),0 10px 24px rgba(75,46,204,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(75,46,204,.24);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--line);
}
.btn-ghost:hover{background:var(--brand-soft);border-color:#D5C9FF;}
.btn-dark-ghost{
  background:transparent;
  color:var(--light);
  border-color:rgba(255,255,255,.28);
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);}
.c-nav .btn{height:40px;padding:0 18px;font-size:14px;}
.c-burger{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.c-burger span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.c-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(14,11,26,.98);
  padding:24px;
  display:none;
  flex-direction:column;
  opacity:0;
  transition:opacity .18s var(--ease);
}
.c-drawer.is-open{display:flex;opacity:1;}
.c-drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:28px;
}
.c-drawer__close{
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.24);
  background:transparent;
  color:#fff;
  font-size:20px;
  line-height:1;
}
.c-drawer__link{
  display:block;
  padding:18px 4px;
  font-size:20px;
  font-weight:700;
  color:var(--light);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.c-drawer__link.is-active{color:var(--mint);}
.c-drawer__foot{margin-top:auto;padding-top:28px;}
.c-drawer__foot .btn{width:100%;height:50px;font-size:16px;}

/* ---------- Hero ---------- */
.c-hero{
  position:relative;
  background:var(--ink);
  color:var(--light);
  overflow:hidden;
  padding:76px 0 88px;
}
.c-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.36;
  pointer-events:none;
}
.c-hero::after{
  content:"";
  position:absolute;
  width:620px;height:620px;
  right:-180px;top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(75,46,204,.55) 0%,rgba(75,46,204,0) 68%);
  pointer-events:none;
}
.c-hero__grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);
  gap:56px;
  align-items:center;
}
.c-hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(43,232,196,.34);
  background:rgba(43,232,196,.08);
  color:var(--mint);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:22px;
}
.c-hero h1{
  font-size:clamp(32px,4.1vw,56px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:.01em;
  margin-bottom:20px;
}
.c-hero h1 .hl{
  color:#fff;
  background:linear-gradient(180deg,transparent 62%,rgba(43,232,196,.42) 62%,rgba(43,232,196,.42) 92%,transparent 92%);
  padding:0 2px;
}
.c-hero__sub{
  font-size:17px;
  line-height:1.8;
  color:var(--light-2);
  max-width:33em;
  margin-bottom:32px;
}
.c-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:42px;
}
.c-hero__actions .btn{height:50px;padding:0 26px;font-size:15.5px;}
.c-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:26px;
}
.c-stats__num{
  font-size:clamp(26px,3vw,34px);
  font-weight:800;
  color:var(--mint);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:.02em;
}
.c-stats__num small{font-size:14px;font-weight:700;margin-left:3px;}
.c-stats__label{
  font-size:13px;
  color:var(--light-2);
  margin-top:6px;
  letter-spacing:.02em;
}
.c-hero__media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  aspect-ratio:16/11;
  background:var(--nebula);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%);
}
.c-hero__media img{
  width:100%;height:100%;
  object-fit:cover;
}
.c-hero__tag{
  position:absolute;
  left:16px;top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(14,11,26,.72);
  color:var(--mint);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  backdrop-filter:blur(6px);
}

/* ---------- 通用板块 ---------- */
.section{padding:104px 0;}
.section--tight{padding:78px 0;}
.section--soft{background:var(--nebula);}
.section--dark{background:var(--ink);color:var(--light);position:relative;overflow:hidden;}
.section--dark::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:30px 30px;
  opacity:.28;
  pointer-events:none;
}
.section--dark > *{position:relative;z-index:2;}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:48px;
}
.section__head--center{
  display:block;
  text-align:center;
  max-width:720px;
  margin:0 auto 52px;
}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--mint);}
.section h2{
  font-size:clamp(25px,2.9vw,36px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:.01em;
}
.section__desc{
  font-size:15.5px;
  color:var(--text-2);
  margin-top:14px;
  max-width:56em;
}
.section--dark .section__desc{color:var(--light-2);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  white-space:nowrap;
  transition:gap .18s var(--ease),color .18s var(--ease);
}
.link-more:hover{gap:10px;color:var(--brand-deep);}

/* ---------- 三步上手 ---------- */
.c-steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
  position:relative;
}
.c-step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
}
.c-step:hover{
  transform:translateY(-3px);
  border-color:#D5C9FF;
  box-shadow:var(--shadow-md);
}
.c-step__no{
  font-size:44px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.6px rgba(75,46,204,.45);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.c-step__icon{
  position:absolute;
  top:26px;right:24px;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand-soft);
  display:grid;
  place-items:center;
  color:var(--brand);
}
.c-step h3{
  font-size:18px;
  font-weight:800;
  margin:18px 0 10px;
}
.c-step p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-2);
}
.c-step__line{
  position:absolute;
  top:64px;
  right:-26px;
  width:26px;
  height:1px;
  background:repeating-linear-gradient(90deg,var(--mint) 0 4px,transparent 4px 8px);
  z-index:3;
}
.c-step:last-child .c-step__line{display:none;}

/* ---------- 案例证明 ---------- */
.c-cases{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  grid-template-rows:auto auto;
  gap:24px;
}
.c-quote{
  grid-row:span 2;
  background:linear-gradient(160deg,#241a4d 0%,#140f2c 60%,#0E0B1A 100%);
  color:var(--light);
  border-radius:var(--radius-lg);
  padding:40px 38px;
  border:1px solid rgba(255,255,255,.12);
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,0 100%);
}
.c-quote::before{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-140px;bottom:-160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(43,232,196,.28) 0%,rgba(43,232,196,0) 70%);
}
.c-quote__mark{
  font-size:52px;
  line-height:.8;
  color:var(--mint);
  font-weight:800;
  margin-bottom:18px;
}
.c-quote__text{
  font-size:21px;
  line-height:1.66;
  font-weight:700;
  position:relative;
  z-index:2;
  margin-bottom:30px;
}
.c-quote__result{
  position:relative;
  z-index:2;
  display:flex;
  align-items:baseline;
  gap:10px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.c-quote__result strong{
  font-size:34px;
  font-weight:800;
  color:var(--mint);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.c-quote__result span{
  font-size:13.5px;
  color:var(--light-2);
}
.c-case{
  display:flex;
  gap:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.c-case:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.c-case__img{
  flex:0 0 152px;
  background:var(--nebula);
  overflow:hidden;
}
.c-case__img img{
  width:100%;height:100%;
  object-fit:cover;
}
.c-case__body{
  padding:22px 22px 20px 0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:8px;
  min-width:0;
}
.c-case h3{font-size:16.5px;font-weight:800;line-height:1.5;}
.c-case p{font-size:13.5px;color:var(--text-2);line-height:1.72;}

/* ---------- FAQ ---------- */
.c-faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  gap:56px;
  align-items:start;
}
.c-faq-side h2{margin-bottom:16px;}
.c-faq-side p{font-size:15.5px;color:var(--text-2);line-height:1.8;margin-bottom:24px;}
.c-faq-side .c-faq-side__note{
  border-left:3px solid var(--mint);
  background:var(--nebula);
  border-radius:0 10px 10px 0;
  padding:16px 18px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
}
.c-faq{display:flex;flex-direction:column;gap:12px;}
.c-faq__item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.c-faq__item.is-open{
  border-color:#CDBFFF;
  box-shadow:0 10px 26px rgba(75,46,204,.1);
}
.c-faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:16px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  transition:color .18s var(--ease);
}
.c-faq__q:hover{color:var(--brand);}
.c-faq__icon{
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:800;
  line-height:1;
  transition:transform .22s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.c-faq__item.is-open .c-faq__icon{
  transform:rotate(180deg);
  background:var(--brand);
  color:#fff;
}
.c-faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.c-faq__a-inner{
  padding:0 22px 20px;
  font-size:14.8px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 资讯列表 CMS ---------- */
.c-news{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.c-news-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 24px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.c-news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:#D5C9FF;
}
.c-news-card:hover .c-news-card__title{color:var(--brand);}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  width:fit-content;
}
.c-news-card__title{
  font-size:17.5px;
  font-weight:800;
  line-height:1.52;
  color:var(--ink);
  transition:color .18s var(--ease);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.c-news-card__sum{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.c-news-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;
  font-size:13px;
  color:var(--text-3);
}
.c-news-card__foot .read{
  color:var(--brand);
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap .18s var(--ease);
}
.c-news-card:hover .c-news-card__foot .read{gap:8px;}
.c-empty{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  background:#FCFAFF;
}
.c-empty__icon{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:16px;
  background:var(--brand-soft);
  display:grid;
  place-items:center;
  color:var(--brand);
}
.c-empty p{font-size:15px;color:var(--text-2);margin-bottom:18px;}

/* ---------- 分类入口 ---------- */
.c-entries{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.c-entry{
  display:flex;
  align-items:stretch;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.c-entry:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
  border-color:#D5C9FF;
}
.c-entry__img{
  flex:0 0 40%;
  background:var(--nebula);
  position:relative;
  overflow:hidden;
}
.c-entry__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.c-entry:hover .c-entry__img img{transform:scale(1.04);}
.c-entry__body{
  padding:28px 26px;
  display:flex;
  flex-direction:column;
  gap:10px;
  min-width:0;
}
.c-entry h3{font-size:19px;font-weight:800;line-height:1.45;}
.c-entry p{font-size:14.2px;color:var(--text-2);line-height:1.78;}
.c-entry__arrow{
  margin-top:auto;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .18s var(--ease);
}
.c-entry:hover .c-entry__arrow{gap:10px;}

/* ---------- CTA 横幅 ---------- */
.c-cta{
  background:var(--ink);
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  color:var(--light);
  border:1px solid rgba(255,255,255,.12);
  clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,0 100%);
}
.c-cta::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:28px 28px;
  opacity:.3;
  pointer-events:none;
}
.c-cta__left{position:relative;z-index:2;max-width:640px;}
.c-cta h2{
  font-size:clamp(23px,2.6vw,32px);
  font-weight:800;
  line-height:1.3;
  margin-bottom:12px;
}
.c-cta p{font-size:15px;color:var(--light-2);line-height:1.8;}
.c-cta__right{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.c-countdown{display:flex;gap:6px;}
.c-countdown span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  border-radius:9px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  color:var(--mint);
  font-size:18px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}

/* ---------- 页脚 ---------- */
.c-footer{
  background:var(--ink);
  color:var(--light-2);
  padding:76px 0 0;
  margin-top:0;
  font-size:14px;
}
.c-footer__grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:52px;
}
.c-footer__brand .c-logo__name{color:#fff;}
.c-footer__brand .c-logo__sub{color:rgba(255,255,255,.4);}
.c-footer__brand .c-logo__mark{box-shadow:none;}
.c-footer__slogan{
  margin:18px 0 18px;
  font-size:15px;
  line-height:1.8;
  color:var(--light-2);
  max-width:24em;
}
.c-footer h4{
  font-size:14px;
  font-weight:800;
  color:#fff;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.c-footer__links{display:flex;flex-direction:column;gap:11px;}
.c-footer__links a{
  font-size:14px;
  color:var(--light-2);
  transition:color .18s var(--ease);
}
.c-footer__links a:hover{color:var(--mint);}
.c-footer__contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--light-2);}
.c-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,255,255,.42);
  line-height:1.8;
}
.c-footer__bottom p{max-width:72em;}

/* ---------- 返回顶部 ---------- */
.c-top{
  position:fixed;
  right:22px;bottom:26px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  display:grid;
  place-items:center;
  box-shadow:0 8px 24px rgba(14,11,26,.14);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:70;
}
.c-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.c-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .c-nav__links{gap:22px;}
  .c-case__img{flex-basis:130px;}
}
@media (max-width:1024px){
  .section{padding:84px 0;}
  .c-hero{padding:62px 0 72px;}
  .c-hero__grid{grid-template-columns:1fr;gap:44px;}
  .c-hero__media{aspect-ratio:16/9;max-width:640px;}
  .c-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .c-step__line{display:none;}
  .c-cases{grid-template-columns:1fr;}
  .c-quote{grid-row:auto;}
  .c-news{grid-template-columns:repeat(2,minmax(0,1fr));}
  .c-faq-wrap{grid-template-columns:1fr;gap:34px;}
  .c-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .c-cta{flex-direction:column;align-items:flex-start;padding:44px 32px;}
  .c-cta__right{width:100%;flex-wrap:wrap;}
}
@media (max-width:900px){
  .c-nav__links{display:none;}
  .c-nav__right .badge-live{display:none;}
  .c-burger{display:flex;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .c-topbar__inner{padding:0 20px;gap:10px;}
  .c-topbar__clock{display:none;}
  .section{padding:68px 0;}
  .section--tight{padding:54px 0;}
  .section__head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:34px;}
  .c-hero__actions .btn{flex:1 1 46%;}
  .c-steps{grid-template-columns:1fr;}
  .c-news{grid-template-columns:1fr;}
  .c-entries{grid-template-columns:1fr;}
  .c-entry{flex-direction:column;}
  .c-entry__img{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
  .c-case{flex-direction:row;}
  .c-case__img{flex-basis:110px;}
  .c-footer{padding-top:56px;}
  .c-footer__grid{grid-template-columns:1fr;gap:32px;padding-bottom:38px;}
  .c-footer__bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .c-hero{padding:48px 0 58px;}
  .c-hero__actions .btn{flex:1 1 100%;height:48px;}
  .c-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
  .c-stats__num{font-size:23px;}
  .c-stats__label{font-size:12px;}
  .c-case{flex-direction:column;}
  .c-case__img{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
  .c-case__body{padding:18px 20px 20px;}
  .c-quote{padding:30px 24px;}
  .c-quote__text{font-size:18px;}
  .c-cta{padding:36px 22px;}
  .c-cta__right .btn{width:100%;}
  .c-countdown span{min-width:36px;height:36px;font-size:15px;}
  .c-faq__q{font-size:15px;padding:14px 16px;min-height:54px;}
  .c-faq__a-inner{padding:0 16px 18px;font-size:14.5px;}
  .c-news-card{padding:20px 18px 18px;}
  .section h2{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --ink:#0E0B1A;
  --ink-soft:#191430;
  --violet:#4B2ECC;
  --violet-deep:#3A21A6;
  --violet-soft:#EDE8FF;
  --cyan:#2BE8C4;
  --orange:#FF6A3D;
  --nebula:#F5F3FF;
  --white:#FFFFFF;
  --text:#1A1626;
  --muted:#565070;
  --star:#F2F0FA;
  --mist:#B9B3CE;
  --line:#E6E1F5;
  --line-dark:rgba(255,255,255,.12);
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 2px 8px rgba(14,11,26,.06);
  --shadow-2:0 14px 36px rgba(14,11,26,.08);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.78;
  color:var(--text);
  background:var(--nebula);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.24;letter-spacing:.01em;font-weight:800}
svg{display:block}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 28px;
}
.container--wide{max-width:1280px}

/* ============ 顶部状态条 ============ */
.c-topbar{
  background:var(--ink);
  color:var(--star);
  font-size:13px;
  letter-spacing:.02em;
  border-bottom:1px solid var(--line-dark);
}
.c-topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:36px;
}
.c-topbar__notice{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  color:var(--mist);
}
.c-topbar__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(43,232,196,.18);
  flex:none;
}
.c-topbar__scroll{
  overflow:hidden;
  white-space:nowrap;
  max-width:520px;
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 92%,transparent);
}
.c-topbar__scroll span{
  display:inline-block;
  padding-left:100%;
  animation:marquee 26s linear infinite;
}
@keyframes marquee{
  from{transform:translateX(0)}
  to{transform:translateX(-100%)}
}
.c-countdown{
  display:flex;
  align-items:center;
  gap:6px;
  flex:none;
}
.c-countdown__label{color:var(--mist);font-size:12px;letter-spacing:.06em}
.c-countdown__cell{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:26px;
  height:22px;
  padding:0 4px;
  border-radius:6px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--line-dark);
  color:var(--cyan);
  font-family:var(--mono);
  font-size:12px;
  font-weight:700;
}
.c-countdown__sep{color:rgba(255,255,255,.3);font-size:11px}

/* ============ 主导航 ============ */
.c-header{position:sticky;top:0;z-index:60}
.c-nav{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.c-nav.is-stuck{box-shadow:0 8px 24px rgba(14,11,26,.09);background:rgba(255,255,255,.98)}
.c-nav__inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  transition:min-height .2s var(--ease);
}
.c-nav.is-stuck .c-nav__inner{min-height:64px}

.c-logo{display:flex;align-items:center;gap:10px;flex:none}
.c-logo__mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(145deg,var(--violet) 0%,#2C1A82 100%);
  box-shadow:0 6px 16px rgba(75,46,204,.32);
  flex:none;
}
.c-logo__mark svg{width:22px;height:22px}
.c-logo__text{display:flex;flex-direction:column;line-height:1.15}
.c-logo__name{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.c-logo__sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600}

.c-nav__links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
}
.c-nav__link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  padding:6px 0;
  transition:color .18s var(--ease);
}
.c-nav__link::after{
  content:"";
  position:absolute;
  left:50%;bottom:-2px;
  width:0;height:2px;
  border-radius:2px;
  background:var(--violet);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.c-nav__link:hover{color:var(--violet)}
.c-nav__link:hover::after{width:60%}
.c-nav__link.is-active{color:var(--violet);font-weight:700}
.c-nav__link.is-active::after{width:60%}

.c-nav__actions{display:flex;align-items:center;gap:12px;flex:none}

/* 徽章 */
.badge-live{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  background:rgba(43,232,196,.14);
  border:1px solid rgba(43,232,196,.42);
  color:#0E6B5B;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  white-space:nowrap;
}
.badge-live i{
  width:6px;height:6px;border-radius:50%;
  background:#12B99A;
  box-shadow:0 0 0 3px rgba(18,185,154,.16);
}
.badge-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--violet-soft);
  color:var(--violet-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.03em;
}
.badge-warn{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(255,106,61,.14);
  color:#C43E14;
  font-size:12px;
  font-weight:700;
  letter-spacing:.03em;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  transition:transform .16s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--violet);
  color:#fff;
  box-shadow:0 8px 20px rgba(75,46,204,.26);
}
.btn-primary:hover{
  background:var(--violet-deep);
  transform:translateY(-1px);
  box-shadow:0 10px 26px rgba(75,46,204,.34),0 0 0 4px rgba(75,46,204,.16);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(75,46,204,.3)}
.btn-ghost{
  background:transparent;
  color:var(--violet);
  border-color:rgba(75,46,204,.34);
}
.btn-ghost:hover{background:var(--violet-soft);border-color:rgba(75,46,204,.5)}
.btn-dark{
  background:rgba(255,255,255,.08);
  color:var(--star);
  border-color:rgba(255,255,255,.28);
}
.btn-dark:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

.c-nav__toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  place-items:center;
}
.c-nav__toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
  transition:transform .2s var(--ease);
}
.c-nav__toggle span::before,
.c-nav__toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.c-nav__toggle span::before{top:-6px}
.c-nav__toggle span::after{top:6px}

.c-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(14,11,26,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.c-drawer.is-open{opacity:1;visibility:visible}
.c-drawer__panel{
  position:absolute;
  right:0;top:0;
  width:min(360px,86vw);
  height:100%;
  background:var(--ink);
  color:var(--star);
  padding:26px 24px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  overflow-y:auto;
}
.c-drawer.is-open .c-drawer__panel{transform:translateX(0)}
.c-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:14px;
}
.c-drawer__title{font-size:14px;letter-spacing:.14em;color:var(--mist);text-transform:uppercase;font-weight:700}
.c-drawer__close{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--line-dark);
  color:var(--star);
  display:grid;place-items:center;
  font-size:18px;
}
.c-drawer__close:hover{background:rgba(255,255,255,.1)}
.c-drawer__link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 2px;
  font-size:16.5px;
  font-weight:600;
  border-bottom:1px solid var(--line-dark);
  color:var(--star);
}
.c-drawer__link:hover{color:var(--cyan)}
.c-drawer__link.is-active{color:var(--cyan)}
.c-drawer__link span{font-size:13px;color:var(--mist)}
.c-drawer__cta{margin-top:22px}

/* ============ Hero ============ */
.c-hero{
  position:relative;
  background:var(--ink);
  color:var(--star);
  overflow:hidden;
}
.c-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  mask-image:radial-gradient(120% 90% at 20% 10%,#000 0%,transparent 72%);
  pointer-events:none;
}
.c-hero::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-140px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(75,46,204,.55) 0%,rgba(75,46,204,0) 68%);
  pointer-events:none;
}
.c-hero__inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.18fr .92fr;
  gap:56px;
  align-items:center;
  padding:76px 0 84px;
}
.c-hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(43,232,196,.4);
  background:rgba(43,232,196,.1);
  color:var(--cyan);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  margin-bottom:22px;
}
.c-hero h1{
  font-size:clamp(30px,3.7vw,48px);
  line-height:1.16;
  letter-spacing:.015em;
  margin-bottom:18px;
  font-weight:900;
}
.c-hero h1 em{
  font-style:normal;
  color:#fff;
  background:linear-gradient(180deg,transparent 68%,rgba(43,232,196,.42) 68%);
}
.c-hero__lead{
  font-size:17px;
  line-height:1.85;
  color:var(--mist);
  max-width:560px;
  margin-bottom:30px;
}
.c-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:38px}
.c-hero__stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  border-top:1px solid var(--line-dark);
  padding-top:24px;
  max-width:560px;
}
.c-hero__stat{display:flex;flex-direction:column;gap:4px;padding-right:16px}
.c-hero__stat b{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--cyan);
  line-height:1.2;
}
.c-hero__stat span{font-size:13px;color:var(--mist);letter-spacing:.02em}

.c-hero__media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  aspect-ratio:16/11;
  background:linear-gradient(150deg,#221A46,#0E0B1A);
}
.c-hero__media img{width:100%;height:100%;object-fit:cover}
.c-hero__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,11,26,.12) 0%,rgba(14,11,26,.55) 100%);
}
.c-hero__corner{
  position:absolute;
  z-index:3;
  left:0;top:0;
  padding:9px 16px 9px 14px;
  background:var(--cyan);
  color:#0B3F36;
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
}
.c-hero__caption{
  position:absolute;
  z-index:3;
  left:18px;right:18px;bottom:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:rgba(255,255,255,.78);
  letter-spacing:.02em;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--tight{padding:74px 0}
.section--nebula{background:var(--nebula)}
.section--white{background:#fff}
.section--ink{background:var(--ink);color:var(--star);position:relative;overflow:hidden}
.section--ink::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);
  background-size:30px 30px;
  opacity:.55;
  mask-image:radial-gradient(90% 80% at 80% 0%,#000 0%,transparent 70%);
  pointer-events:none;
}
.section--ink > .container{position:relative;z-index:2}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head__text{max-width:640px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.8}
.section--ink .section-head p{color:var(--mist)}
.section-head__link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--violet);
  flex:none;
}
.section-head__link:hover{color:var(--violet-deep);gap:10px}
.section--ink .section-head__link{color:var(--cyan)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.14em;
  color:var(--violet);text-transform:uppercase;
  margin-bottom:12px;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--cyan)}
.section--ink .kicker{color:var(--cyan)}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

.c-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%);
}
.c-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(75,46,204,.28);
}
.c-card__icon{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--violet-soft);
  color:var(--violet);
  margin-bottom:18px;
}
.c-card__icon svg{width:22px;height:22px}
.c-card h3{font-size:19px;margin-bottom:10px;font-weight:800}
.c-card p{color:var(--muted);font-size:15px;line-height:1.8}
.c-card__num{
  position:absolute;
  right:22px;top:16px;
  font-family:var(--mono);
  font-size:15px;
  font-weight:700;
  color:rgba(75,46,204,.28);
  letter-spacing:.08em;
}

/* ============ 三步路径 ============ */
.c-steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.c-steps::before{
  content:"";
  position:absolute;
  left:6%;right:6%;top:74px;
  height:1px;
  border-top:1px dashed rgba(43,232,196,.55);
  z-index:0;
}
.c-step{
  position:relative;
  z-index:1;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.c-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.c-step__num{
  font-family:var(--mono);
  font-size:48px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.6px var(--violet);
  letter-spacing:.02em;
  margin-bottom:16px;
}
.c-step__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.c-step h3{font-size:18px}
.c-step__ico{width:20px;height:20px;color:var(--cyan)}
.c-step p{color:var(--muted);font-size:14.5px;line-height:1.78}
.c-step__note{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.c-step__note b{color:var(--violet);font-weight:700;flex:none}

/* ============ 深色对比面板 ============ */
.c-panel{
  border:1px solid var(--line-dark);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
  padding:30px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.c-panel:hover{border-color:rgba(43,232,196,.42);background:rgba(255,255,255,.06)}
.c-panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:18px;
  margin-bottom:20px;
  border-bottom:1px solid var(--line-dark);
}
.c-panel__head h3{font-size:19px;color:#fff}
.c-panel ul{display:flex;flex-direction:column;gap:14px}
.c-panel li{
  display:flex;
  gap:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}
.c-panel li::before{
  content:"";
  flex:none;
  width:7px;height:7px;
  margin-top:9px;
  border-radius:2px;
  background:var(--cyan);
  transform:rotate(45deg);
}
.c-panel li b{color:var(--star);font-weight:700}
.c-note{
  margin-top:32px;
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:22px 24px;
  border-radius:var(--radius);
  background:rgba(255,106,61,.1);
  border:1px solid rgba(255,106,61,.34);
  border-left:3px solid var(--orange);
}
.c-note__icon{
  flex:none;
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  background:rgba(255,106,61,.18);
  color:#FFB49B;
}
.c-note p{font-size:14.5px;line-height:1.8;color:#FFD8CC}
.c-note strong{color:#fff}

/* ============ 卡点对照行 ============ */
.c-fix{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.c-fix__row{
  display:grid;
  grid-template-columns:1.05fr 1.6fr 32px;
  gap:24px;
  align-items:center;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.c-fix__row:last-child{border-bottom:0}
.c-fix__row:hover{background:var(--nebula)}
.c-fix__row h3{
  font-size:16.5px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.c-fix__row p{font-size:14.5px;color:var(--muted);line-height:1.78}
.c-fix__arrow{
  width:32px;height:32px;
  border-radius:9px;
  display:grid;place-items:center;
  background:var(--violet-soft);
  color:var(--violet);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.c-fix__row:hover .c-fix__arrow{transform:translateX(4px);background:var(--violet);color:#fff}

/* ============ FAQ ============ */
.c-faq{
  display:grid;
  grid-template-columns:.82fr 1.18fr;
  gap:56px;
  align-items:start;
}
.c-faq__intro h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.c-faq__intro p{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:24px}
.c-faq__intro .badge-tag{margin-bottom:16px}
.c-faq__list{display:flex;flex-direction:column;gap:12px}
.c-faq__item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.c-faq__item:hover{border-color:rgba(75,46,204,.3)}
.c-faq__item.is-open{border-color:rgba(75,46,204,.42);box-shadow:var(--shadow-1)}
.c-faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  min-height:60px;
}
.c-faq__q:hover{color:var(--violet)}
.c-faq__mark{
  flex:none;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--violet);
  font-size:16px;
  font-weight:700;
  transition:transform .22s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.c-faq__item.is-open .c-faq__mark{
  transform:rotate(180deg);
  background:var(--violet);
  color:#fff;
  border-color:var(--violet);
}
.c-faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s var(--ease);
}
.c-faq__a-inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin:0 22px 22px;
  padding-left:0;padding-right:0;
}

/* ============ CTA ============ */
.c-cta{
  position:relative;
  background:var(--ink);
  color:var(--star);
  border-radius:var(--radius-lg);
  padding:48px 52px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  min-height:200px;
  border:1px solid rgba(255,255,255,.1);
}
.c-cta::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.6;
  mask-image:radial-gradient(80% 120% at 10% 0%,#000 0%,transparent 70%);
  pointer-events:none;
}
.c-cta__text{position:relative;z-index:2;max-width:640px}
.c-cta h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;color:#fff}
.c-cta p{color:var(--mist);font-size:15.5px;line-height:1.8}
.c-cta__actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;flex:none}
.c-cta__clock{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--mist);
  letter-spacing:.04em;
}
.c-cta__clock b{
  font-family:var(--mono);
  color:var(--cyan);
  font-size:14px;
}

/* ============ 面包屑 ============ */
.c-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--mist);
  padding:18px 0 0;
}
.c-crumb a{color:var(--mist);transition:color .18s var(--ease)}
.c-crumb a:hover{color:var(--cyan)}
.c-crumb span{opacity:.5}

/* ============ 页脚 ============ */
.c-footer{
  background:var(--ink);
  color:var(--star);
  padding:72px 0 0;
  position:relative;
  overflow:hidden;
}
.c-footer::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:32px 32px;
  opacity:.5;
  mask-image:radial-gradient(80% 70% at 90% 0%,#000 0%,transparent 70%);
  pointer-events:none;
}
.c-footer .container{position:relative;z-index:2}
.c-footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:48px;
  padding-bottom:52px;
}
.c-footer__brand{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.c-footer .c-logo__name{color:var(--star)}
.c-footer .c-logo__sub{color:var(--mist)}
.c-footer__slogan{font-size:15.5px;line-height:1.8;color:var(--mist);max-width:320px}
.c-footer h4{
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(255,255,255,.92);
  margin-bottom:18px;
  font-weight:700;
}
.c-footer__links{display:flex;flex-direction:column;gap:0}
.c-footer__links a{
  font-size:14px;
  line-height:2.2;
  color:var(--mist);
  transition:color .18s var(--ease);
  width:fit-content;
}
.c-footer__links a:hover{color:var(--cyan)}
.c-footer__contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--mist);line-height:1.7}
.c-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(185,179,206,.86);
  line-height:1.8;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:26px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--violet);
  color:#fff;
  display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(75,46,204,.36);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),background .2s var(--ease);
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--violet-deep)}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .c-nav__links{gap:20px}
  .c-nav__link{font-size:14px}
  .c-hero__inner{grid-template-columns:1fr 1fr;gap:40px}
  .c-footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:40px}
  .c-footer__brand{grid-column:1 / -1}
}
@media (max-width:1024px){
  .c-hero__inner{grid-template-columns:1fr;padding:56px 0 64px}
  .c-hero__media{max-width:620px;order:-1;aspect-ratio:16/9}
  .c-hero__lead{max-width:none}
  .c-hero__stats{max-width:none}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .c-steps{grid-template-columns:1fr;gap:18px}
  .c-steps::before{display:none}
  .c-step__num{font-size:40px}
  .c-faq{grid-template-columns:1fr;gap:32px}
  .c-cta{flex-direction:column;align-items:flex-start;gap:26px;padding:40px 36px}
  .c-cta__actions{width:100%;flex-direction:row;flex-wrap:wrap;align-items:center}
}
@media (max-width:900px){
  .c-nav__links{display:none}
  .c-nav__toggle{display:grid}
  .c-nav__actions .badge-live{display:none}
  .c-nav__inner{min-height:66px;gap:14px}
  .c-nav__actions{margin-left:auto}
}
@media (max-width:768px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .c-fix__row{grid-template-columns:1fr;gap:10px;padding:20px}
  .c-fix__arrow{display:none}
  .c-topbar__scroll{max-width:200px}
  .c-hero__stats{grid-template-columns:1fr;gap:16px;padding-top:20px}
  .c-hero__stat{border-top:1px solid var(--line-dark);padding-top:12px;padding-right:0}
  .c-hero__stat:first-child{border-top:0;padding-top:0}
  .c-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .c-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .c-cta{padding:32px 24px}
  .c-cta__actions{flex-direction:column;align-items:stretch}
  .c-cta__actions .btn{width:100%}
  .c-panel{padding:24px}
  .c-card{padding:24px}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .c-topbar__scroll{display:none}
  .c-hero h1{font-size:clamp(26px,7.2vw,32px)}
  .c-hero__lead{font-size:15.5px}
  .c-hero__actions .btn{width:100%}
  .c-logo__name{font-size:14.5px}
  .c-logo__sub{font-size:9.5px;letter-spacing:.12em}
  .c-logo__mark{width:34px;height:34px;border-radius:10px}
  .c-nav__actions .btn-primary{display:none}
  .c-footer__grid{grid-template-columns:1fr}
  .c-faq__q{padding:16px 16px;font-size:15px;min-height:54px}
  .c-faq__a-inner{margin:0 16px 18px;padding-top:14px;font-size:14.5px}
  .c-step{padding:24px 20px}
  .c-cta h2{font-size:21px}
  .to-top{right:16px;bottom:18px;width:40px;height:40px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root {
  --brand: #4B2ECC;
  --brand-deep: #38219B;
  --brand-soft: #EDE8FF;
  --ink: #0E0B1A;
  --ink-2: #1A1626;
  --aurora: #2BE8C4;
  --orange: #FF6A3D;
  --paper: #F5F3FF;
  --white: #FFFFFF;
  --text: #1A1626;
  --muted: #565070;
  --line: #E6E1F5;
  --dark-text: #F2F0FA;
  --dark-muted: #B9B3CE;
  --dark-line: rgba(255, 255, 255, .12);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(14, 11, 26, .06);
  --shadow-md: 0 2px 8px rgba(14, 11, 26, .06), 0 14px 36px rgba(14, 11, 26, .08);
  --shadow-glow: 0 0 0 4px rgba(75, 46, 204, .16);
  --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: "SFMono-Regular", "Roboto Mono", "JetBrains Mono", Consolas, monospace;
  --container: 1200px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

::selection {
  background: var(--brand);
  color: var(--white);
}

:focus-visible {
  outline: 2px solid var(--aurora);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* 顶部状态条 */
.c-topbar {
  background: var(--ink);
  color: var(--dark-muted);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  font-size: 12.5px;
  letter-spacing: .02em;
  position: relative;
  z-index: 120;
}

.c-topbar__inner {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.c-topbar__ticker {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.c-topbar__track {
  display: flex;
  align-items: center;
  gap: 36px;
  width: max-content;
  white-space: nowrap;
  animation: c-ticker 24s linear infinite;
}

.c-topbar__ticker:hover .c-topbar__track {
  animation-play-state: paused;
}

.c-topbar__track span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.c-topbar__track span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--aurora);
  flex: 0 0 auto;
}

@keyframes c-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.c-topbar__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.c-countdown {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--aurora);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 6px;
  padding: 2px 7px;
  line-height: 1.5;
}

.c-countdown i {
  font-style: normal;
  opacity: .55;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  background: var(--aurora);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

.badge-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  display: inline-block;
  animation: c-pulse 1.8s ease-in-out infinite;
}

@keyframes c-pulse {
  0%, 100% { opacity: .35; transform: scale(.9); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* 主导航 */
.c-header {
  position: sticky;
  top: 0;
  z-index: 110;
  background: rgba(14, 11, 26, .96);
  border-bottom: 1px solid var(--dark-line);
  backdrop-filter: blur(14px);
  transition: box-shadow .2s ease, background .2s ease;
}

.c-header.is-scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
  background: rgba(14, 11, 26, .99);
}

.c-header__inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.c-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  min-width: 0;
}

.c-logo__mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  box-shadow: 0 6px 18px rgba(75, 46, 204, .35);
  flex: 0 0 auto;
}

.c-logo__mark svg {
  width: 23px;
  height: 23px;
}

.c-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.c-logo__name {
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .01em;
  white-space: nowrap;
}

.c-logo__sub {
  color: var(--dark-muted);
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-top: 3px;
  white-space: nowrap;
}

.c-nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex: 1 1 auto;
}

.c-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  color: var(--dark-muted);
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: color .18s ease;
}

.c-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  margin: 0 auto;
  border-radius: 2px;
  background: var(--aurora);
  transition: width .2s ease;
}

.c-nav__link:hover,
.c-nav__link.is-active {
  color: var(--white);
}

.c-nav__link:hover::after,
.c-nav__link.is-active::after {
  width: 60%;
}

.c-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.c-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--aurora);
  border: 1px solid rgba(43, 232, 196, .32);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.c-status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aurora);
}

.c-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .04);
  color: var(--white);
}

.c-nav-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.c-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.c-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.c-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  transition: transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease, box-shadow .16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 13.5px;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  color: var(--white);
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 8px 20px rgba(75, 46, 204, .24);
}

.btn-primary:hover {
  background: var(--brand-deep);
  border-color: var(--brand-deep);
  box-shadow: 0 10px 24px rgba(75, 46, 204, .3), 0 0 0 4px rgba(75, 46, 204, .12);
}

.btn-ghost {
  color: var(--brand);
  background: var(--white);
  border-color: var(--line);
}

.btn-ghost:hover {
  background: var(--brand-soft);
  border-color: #D5CBF8;
}

.btn-light {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.btn-light:hover {
  background: var(--paper);
}

.btn-outline-light {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, .28);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .48);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .01em;
}

.tag-dark {
  color: var(--aurora);
  background: rgba(43, 232, 196, .1);
  border: 1px solid rgba(43, 232, 196, .25);
}

/* 移动抽屉 */
.c-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform .24s ease, opacity .24s ease, visibility .24s;
}

.c-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.c-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--dark-line);
}

.c-drawer__close {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .04);
  color: var(--white);
  font-size: 24px;
  line-height: 1;
}

.c-drawer__nav {
  display: flex;
  flex-direction: column;
  padding-top: 12px;
}

.c-drawer__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px;
  color: var(--dark-text);
  font-size: 21px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.c-drawer__nav a::after {
  content: "→";
  color: var(--aurora);
  font-size: 18px;
  font-weight: 500;
}

.c-drawer__nav a:hover {
  color: var(--aurora);
}

.c-drawer__foot {
  margin-top: auto;
  padding-top: 28px;
}

.c-drawer__foot p {
  margin: 14px 0 0;
  color: var(--dark-muted);
  font-size: 12.5px;
  text-align: center;
}

/* 文章头部 */
.c-article-hero {
  position: relative;
  overflow: hidden;
  color: var(--dark-text);
  background:
    radial-gradient(circle at 82% 18%, rgba(75, 46, 204, .5), transparent 28%),
    radial-gradient(circle at 15% 80%, rgba(43, 232, 196, .1), transparent 26%),
    var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.c-article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image: radial-gradient(rgba(255, 255, 255, .75) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.c-article-hero__bg {
  position: absolute;
  right: -8%;
  top: -42%;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  border: 1px solid rgba(43, 232, 196, .16);
  pointer-events: none;
}

.c-article-hero__bg::before,
.c-article-hero__bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .08);
}

.c-article-hero__bg::before {
  inset: 78px;
}

.c-article-hero__bg::after {
  inset: 168px;
}

.c-article-hero .container {
  position: relative;
  z-index: 1;
}

.c-breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 28px 0 38px;
  color: var(--dark-muted);
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
}

.c-breadcrumb a {
  color: var(--dark-muted);
  transition: color .16s ease;
}

.c-breadcrumb a:hover {
  color: var(--aurora);
}

.c-breadcrumb span[aria-hidden="true"] {
  color: rgba(255, 255, 255, .3);
}

.c-breadcrumb__current {
  display: inline-block;
  max-width: 44vw;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: bottom;
  color: var(--dark-text);
}

.c-article-hero__main {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 58px;
}

.c-article-hero__copy {
  max-width: 880px;
  min-width: 0;
}

.c-article-hero h1 {
  margin: 18px 0 20px;
  color: var(--dark-text);
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: .01em;
  overflow-wrap: anywhere;
}

.c-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  color: var(--dark-muted);
  font-size: 13.5px;
}

.c-article-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.c-article-meta__item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aurora);
  display: inline-block;
}

.c-article-hero__badge {
  position: relative;
  flex: 0 0 170px;
  min-height: 170px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .14);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  text-align: center;
  box-shadow: inset 0 0 60px rgba(43, 232, 196, .05);
}

.c-article-hero__badge strong {
  color: var(--aurora);
  font-size: 18px;
  letter-spacing: .06em;
}

.c-article-hero__badge small {
  color: var(--dark-muted);
  font-size: 12px;
  letter-spacing: .08em;
}

.c-orbit {
  position: absolute;
  inset: 15px;
  border-radius: 50%;
  border: 1px dashed rgba(43, 232, 196, .24);
  animation: c-orbit 16s linear infinite;
}

.c-orbit::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 12px var(--aurora);
}

@keyframes c-orbit {
  to { transform: rotate(360deg); }
}

/* 文章布局 */
.c-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  padding-top: 48px;
  padding-bottom: 56px;
  align-items: start;
}

.c-article-card {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.c-article__content {
  padding: 46px 50px 30px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.85;
  overflow-wrap: break-word;
}

.c-article__content > :first-child {
  margin-top: 0;
}

.c-article__content h2 {
  margin: 1.8em 0 .68em;
  padding-top: .1em;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.34;
  font-weight: 800;
}

.c-article__content h3 {
  margin: 1.55em 0 .55em;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.45;
  font-weight: 750;
}

.c-article__content h4 {
  margin: 1.4em 0 .5em;
  color: var(--ink-2);
  font-size: 17.5px;
  font-weight: 700;
}

.c-article__content p {
  margin: 0 0 1.2em;
}

.c-article__content a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgba(75, 46, 204, .35);
  text-underline-offset: 3px;
}

.c-article__content a:hover {
  color: var(--brand-deep);
  text-decoration-color: var(--brand-deep);
}

.c-article__content ul,
.c-article__content ol {
  margin: 0 0 1.35em;
  padding-left: 1.35em;
}

.c-article__content li {
  margin: .46em 0;
  padding-left: .15em;
}

.c-article__content ul li::marker {
  color: var(--brand);
}

.c-article__content ol li::marker {
  color: var(--brand);
  font-weight: 700;
}

.c-article__content blockquote {
  margin: 2em 0;
  padding: 18px 22px;
  border-left: 3px solid var(--brand);
  background: var(--paper);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--muted);
}

.c-article__content blockquote p:last-child {
  margin-bottom: 0;
}

.c-article__content img {
  max-width: 100%;
  height: auto;
  margin: 1.7em auto;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.c-article__content figure {
  margin: 1.8em 0;
}

.c-article__content figure img {
  margin-bottom: .7em;
}

.c-article__content figcaption {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.c-article__content table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 1.8em 0;
  border-collapse: collapse;
  overflow-x: auto;
  font-size: 15px;
}

.c-article__content th,
.c-article__content td {
  min-width: 110px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.c-article__content th {
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
}

.c-article__content hr {
  height: 0;
  margin: 2.3em 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.c-article__content code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--paper);
  color: var(--brand-deep);
  font-size: .92em;
}

.c-article__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 50px;
  border-top: 1px solid var(--line);
  background: #FCFBFF;
}

.c-article__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.c-article__tags-label {
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  margin-right: 2px;
}

.c-article__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 0 0 auto;
}

.c-article__pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.c-pager-link {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 20px 50px;
  background: var(--white);
  transition: background .16s ease;
}

.c-pager-link:hover {
  background: var(--paper);
}

.c-pager-link--end {
  text-align: right;
}

.c-pager-link span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
}

.c-pager-link strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.c-pager-link:hover strong {
  color: var(--brand);
}

/* 空态 */
.c-empty {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  padding: 64px 50px;
}

.c-empty h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.3;
  color: var(--ink);
}

/* 右侧栏 */
.c-article-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 96px;
}

.c-side-card {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.c-side-card h3 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.4;
  font-weight: 800;
}

.c-side-points {
  list-style: none;
  margin: 0;
  padding: 0;
}

.c-side-points li {
  position: relative;
  padding: 9px 0 9px 18px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.65;
  border-top: 1px solid var(--line);
}

.c-side-points li:first-child {
  border-top: 0;
  padding-top: 0;
}

.c-side-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aurora);
}

.c-side-points li:first-child::before {
  top: 7px;
}

.c-side-links {
  display: flex;
  flex-direction: column;
}

.c-side-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  color: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.5;
  border-top: 1px solid var(--line);
  transition: color .16s ease;
}

.c-side-links a:first-child {
  border-top: 0;
  padding-top: 0;
}

.c-side-links a:hover {
  color: var(--brand);
}

.c-side-links i {
  font-style: normal;
  color: var(--brand);
  transition: transform .16s ease;
}

.c-side-links a:hover i {
  transform: translateX(4px);
}

.c-side-note {
  padding: 20px 22px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: #FFF3EE;
}

.c-side-note__kicker {
  display: block;
  margin-bottom: 8px;
  color: #A63A16;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.c-side-note p {
  margin: 0;
  color: #70402F;
  font-size: 13.5px;
  line-height: 1.7;
}

/* 相关推荐 */
.c-related {
  padding: 64px 0 72px;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.c-section-head {
  margin-bottom: 26px;
}

.c-section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.c-section-head h2 {
  margin: 12px 0 0;
  color: var(--ink);
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.3;
  font-weight: 800;
}

.c-text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.c-text-link span {
  transition: transform .16s ease;
}

.c-text-link:hover span {
  transform: translateX(4px);
}

.c-news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.c-news-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.c-news-card:hover {
  transform: translateY(-2px);
  border-color: #D8CFF7;
  box-shadow: var(--shadow-md);
}

.c-news-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: 16px;
  border-radius: 11px;
  background: var(--paper);
}

.c-news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.c-news-card:hover .c-news-card__media img {
  transform: scale(1.035);
}

.c-news-card .tag {
  align-self: flex-start;
  margin-bottom: 10px;
}

.c-news-card h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.48;
  font-weight: 750;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.c-news-card:hover h3 {
  color: var(--brand);
}

.c-news-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.c-news-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
  color: var(--muted);
  font-size: 12.5px;
}

.c-news-card__read {
  color: var(--brand);
  font-weight: 700;
  white-space: nowrap;
}

/* CTA 横幅 */
.c-cta {
  padding: 0 0 84px;
  background: var(--paper);
}

.c-cta__inner {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-height: 210px;
  padding: 42px 50px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 20%, rgba(75, 46, 204, .55), transparent 32%),
    radial-gradient(circle at 20% 120%, rgba(43, 232, 196, .12), transparent 36%),
    var(--ink);
  color: var(--dark-text);
  box-shadow: 0 24px 60px rgba(14, 11, 26, .18);
}

.c-cta__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .8) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(90deg, #000, transparent 80%);
}

.c-cta__inner > * {
  position: relative;
  z-index: 1;
}

.c-cta__kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--aurora);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
}

.c-cta h2 {
  margin: 10px 0 10px;
  color: var(--white);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.3;
  font-weight: 800;
}

.c-cta p {
  max-width: 620px;
  margin: 0;
  color: var(--dark-muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.c-cta__actions {
  display: flex;
  gap: 12px;
  flex: 0 0 auto;
}

/* 页脚 */
.c-footer {
  background: var(--ink);
  color: var(--dark-muted);
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.c-footer__grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding: 58px 0 42px;
}

.c-footer h4 {
  margin: 0 0 16px;
  color: var(--white);
  font-size: 14px;
  line-height: 1.4;
  font-weight: 750;
}

.c-footer .c-logo {
  margin-bottom: 16px;
}

.c-footer__slogan {
  margin: 0 0 16px;
  max-width: 280px;
  color: var(--dark-muted);
  font-size: 13.5px;
  line-height: 1.75;
}

.c-footer__links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.c-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  color: var(--dark-muted);
  font-size: 13.5px;
  line-height: 1.6;
  transition: color .16s ease, transform .16s ease;
}

.c-footer__links a:hover {
  color: var(--aurora);
  transform: translateX(2px);
}

.c-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--dark-muted);
  font-size: 13.5px;
  line-height: 1.65;
}

.c-footer__contact span {
  display: flex;
  gap: 8px;
}

.c-footer__contact span::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--aurora);
  flex: 0 0 auto;
}

.c-footer__bottom {
  padding: 20px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #8E87A8;
  font-size: 12px;
  line-height: 1.7;
}

.c-footer__bottom p {
  margin: 0;
}

.c-footer__bottom p:first-child {
  max-width: 780px;
}

.c-footer__bottom p:last-child {
  text-align: right;
  white-space: nowrap;
}

/* 返回顶部 */
.c-backtop {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--brand);
  font-size: 19px;
  line-height: 1;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease, background .16s ease;
}

.c-backtop.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.c-backtop:hover {
  background: var(--brand-soft);
}

/* 响应式 */
@media (max-width: 1100px) {
  .c-article-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .c-article-side {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .c-side-note {
    grid-column: 1 / -1;
  }

  .c-news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .c-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .c-footer__grid > div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 920px) {
  .c-nav__links {
    display: none;
  }

  .c-nav-toggle {
    display: block;
  }

  .c-status-badge {
    display: none;
  }

  .c-article-hero__badge {
    display: none;
  }

  .c-article-hero__main {
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .container {
    padding-left: 22px;
    padding-right: 22px;
  }

  .c-topbar__inner {
    height: 34px;
  }

  .c-topbar__meta .c-countdown {
    display: none;
  }

  .c-header__actions .btn {
    display: none;
  }

  .c-logo__name {
    font-size: 14.5px;
  }

  .c-logo__sub {
    font-size: 8px;
  }

  .c-logo__mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .c-article-hero h1 {
    font-size: clamp(27px, 6.4vw, 38px);
  }

  .c-breadcrumb {
    padding: 22px 0 28px;
  }

  .c-article-hero__main {
    padding-bottom: 38px;
  }

  .c-article-layout {
    padding-top: 28px;
    padding-bottom: 36px;
  }

  .c-article__content {
    padding: 30px 22px 22px;
    font-size: 16px;
    line-height: 1.8;
  }

  .c-article__content h2 {
    font-size: 24px;
  }

  .c-article__content h3 {
    font-size: 19px;
  }

  .c-article__footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 22px;
  }

  .c-article__actions {
    width: 100%;
  }

  .c-article__actions .btn {
    flex: 1 1 auto;
  }

  .c-article__pager {
    grid-template-columns: 1fr;
  }

  .c-pager-link {
    padding: 16px 22px;
  }

  .c-pager-link--end {
    text-align: left;
    border-top: 1px solid var(--line);
  }

  .c-empty {
    padding: 42px 22px;
  }

  .c-article-side {
    grid-template-columns: 1fr;
  }

  .c-related {
    padding: 44px 0 50px;
  }

  .c-section-head--split {
    align-items: flex-start;
    flex-direction: column;
  }

  .c-news-grid {
    grid-template-columns: 1fr;
  }

  .c-cta {
    padding-bottom: 56px;
  }

  .c-cta__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 30px 24px;
    min-height: 0;
  }

  .c-cta__actions {
    width: 100%;
    flex-direction: column;
  }

  .c-cta__actions .btn {
    width: 100%;
  }

  .c-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 42px 0 30px;
  }

  .c-footer__brand {
    grid-column: 1 / -1;
  }

  .c-footer__grid > div:last-child {
    grid-column: 1 / -1;
  }

  .c-footer__bottom {
    flex-direction: column;
    gap: 8px;
  }

  .c-footer__bottom p:last-child {
    text-align: left;
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .c-topbar__track {
    animation-duration: 18s;
  }

  .c-status-badge {
    display: none;
  }

  .c-nav-toggle {
    width: 40px;
    height: 40px;
  }

  .c-article-hero h1 {
    font-size: 27px;
    line-height: 1.24;
  }

  .c-article-meta {
    gap: 8px 16px;
    font-size: 12.5px;
  }

  .c-article__content {
    padding: 26px 18px 18px;
    font-size: 15.5px;
  }

  .c-article__content h2 {
    font-size: 22px;
  }

  .c-article__period {
    display: none;
  }

  .c-article__footer {
    padding: 18px;
  }

  .c-article__actions {
    flex-direction: column;
  }

  .c-article__actions .btn {
    width: 100%;
  }

  .c-pager-link {
    padding: 15px 18px;
  }

  .c-empty {
    padding: 36px 18px;
  }

  .c-empty h2 {
    font-size: 25px;
  }

  .c-side-card {
    padding: 18px;
  }

  .c-news-card {
    padding: 15px;
  }

  .c-cta__inner {
    padding: 26px 20px;
    border-radius: var(--radius-md);
  }

  .c-footer__grid {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 36px 0 26px;
  }

  .c-footer__brand,
  .c-footer__grid > div:last-child {
    grid-column: auto;
  }

  .c-backtop {
    right: 16px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* roulang page: category2 */
:root{
  --ink:#0E0B1A;
  --ink-soft:#171331;
  --indigo:#4B2ECC;
  --indigo-deep:#3A22A6;
  --indigo-light:#6E52F0;
  --cyan:#2BE8C4;
  --orange:#FF6A3D;
  --nebula:#F5F3FF;
  --nebula-deep:#EDE8FF;
  --card:#FFFFFF;
  --text:#1A1626;
  --muted:#565070;
  --star:#F2F0FA;
  --mist:#B9B3CE;
  --line:#E6E1F5;
  --line-dark:rgba(255,255,255,.12);
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow:0 2px 8px rgba(14,11,26,.06),0 14px 36px rgba(14,11,26,.08);
  --shadow-soft:0 2px 8px rgba(14,11,26,.05);
  --container:1200px;
  --ease:cubic-bezier(.32,.72,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--nebula);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:rgba(75,46,204,.16)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ 顶部状态条 ============ */
.c-topbar{
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.06);
  color:var(--mist);
  font-size:12.5px;
  letter-spacing:.02em;
}
.c-topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:36px;
}
.c-topbar__ticker{
  flex:1;min-width:0;overflow:hidden;position:relative;
  mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);
}
.c-topbar__track{
  display:inline-flex;gap:56px;white-space:nowrap;
  animation:ticker 26s linear infinite;
}
.c-topbar__ticker:hover .c-topbar__track{animation-play-state:paused}
.c-topbar__track span{display:inline-flex;align-items:center;gap:8px}
.c-topbar__track span::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);flex:none;
}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.c-countdown{display:flex;align-items:center;gap:6px;flex:none}
.c-countdown__label{color:var(--mist);margin-right:4px}
.c-countdown__box{
  display:inline-grid;place-items:center;min-width:26px;height:22px;
  padding:0 4px;border-radius:6px;background:rgba(43,232,196,.1);
  border:1px solid rgba(43,232,196,.26);
  color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.c-countdown i{color:rgba(255,255,255,.3);font-style:normal}

/* ============ 主导航 ============ */
.c-nav{
  position:sticky;top:0;z-index:80;
  background:rgba(14,11,26,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.c-nav.is-stuck{box-shadow:0 10px 30px rgba(6,4,14,.45);background:rgba(11,9,21,.98)}
.c-nav__inner{display:flex;align-items:center;gap:28px;height:74px;transition:height .25s var(--ease)}
.c-nav.is-stuck .c-nav__inner{height:66px}
.c-logo{display:flex;align-items:center;gap:11px;flex:none}
.c-logo__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--indigo);display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset;
}
.c-logo__mark svg{width:22px;height:22px}
.c-logo__text{display:flex;flex-direction:column;line-height:1.15}
.c-logo__name{font-size:16px;font-weight:800;letter-spacing:.01em;color:#fff}
.c-logo__sub{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
.c-nav__links{display:flex;align-items:center;gap:30px;margin-left:34px}
.c-nav__link{
  position:relative;font-size:14.5px;font-weight:500;color:#D6D1EC;
  padding:8px 0;transition:color .18s var(--ease);white-space:nowrap;
}
.c-nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--cyan);border-radius:2px;transition:width .22s var(--ease);
}
.c-nav__link:hover{color:#fff}
.c-nav__link:hover::after{width:60%}
.c-nav__link.is-active{color:#fff;font-weight:700}
.c-nav__link.is-active::after{width:60%}
.c-nav__actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--cyan);background:rgba(43,232,196,.1);
  border:1px solid rgba(43,232,196,.3);white-space:nowrap;
}
.badge-live i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(43,232,196,.18)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:700;letter-spacing:.01em;
  transition:transform .16s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 6px 18px rgba(75,46,204,.3)}
.btn-primary:hover{background:var(--indigo-deep);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(75,46,204,.16),0 10px 24px rgba(75,46,204,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#EDEAF8;border:1px solid rgba(255,255,255,.28);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.46)}
.btn-light{background:#fff;color:var(--indigo);box-shadow:var(--shadow-soft)}
.btn-light:hover{background:var(--nebula);transform:translateY(-1px)}
.btn-outline-ink{color:var(--indigo);border:1px solid #D8D0F4;background:#fff}
.btn-outline-ink:hover{background:var(--nebula);border-color:#C3B8EE;transform:translateY(-1px)}
.btn-lg{height:48px;padding:0 26px;font-size:15px}
.c-nav__toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);align-items:center;justify-content:center;
}
.c-nav__toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.c-nav__toggle span::before,.c-nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.c-nav__toggle span::before{top:-6px}
.c-nav__toggle span::after{top:6px}
.c-nav__drawer{
  position:fixed;inset:0;z-index:120;background:rgba(11,9,21,.97);
  backdrop-filter:blur(10px);
  display:flex;flex-direction:column;padding:22px 22px 30px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.c-nav__drawer.is-open{opacity:1;visibility:visible;transform:none}
.c-nav__drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.c-nav__close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;color:#fff;font-size:20px;line-height:1}
.c-nav__drawer a.c-nav__drawer-link{
  display:block;padding:16px 4px;font-size:19px;font-weight:700;color:#EDEAF8;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.c-nav__drawer a.c-nav__drawer-link.is-active{color:var(--cyan)}
.c-nav__drawer .btn{width:100%;margin-top:24px;height:50px}

/* ============ Hero ============ */
.c-hero{
  position:relative;overflow:hidden;color:var(--star);
  background:
    radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px) 0 0/26px 26px,
    linear-gradient(120deg,rgba(14,11,26,.94),rgba(20,14,43,.9)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  padding:64px 0 78px;
}
.c-hero::after{
  content:"";position:absolute;left:-160px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(75,46,204,.4),transparent 66%);
  filter:blur(30px);pointer-events:none;
}
.c-hero__grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;z-index:1}
.c-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(185,179,206,.85);margin-bottom:20px}
.c-breadcrumb a:hover{color:var(--cyan)}
.c-breadcrumb i{font-style:normal;color:rgba(255,255,255,.28)}
.c-hero h1{
  font-size:clamp(30px,3.6vw,47px);
  line-height:1.18;font-weight:800;letter-spacing:.01em;margin-bottom:20px;
}
.c-hero h1 .hl{
  background:linear-gradient(180deg,transparent 76%,rgba(43,232,196,.55) 76%);
  padding-bottom:3px;
}
.c-hero__lead{font-size:16.5px;color:var(--mist);max-width:36em;line-height:1.82}
.c-hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.c-hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#E4DFF7;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.tag-pill b{color:var(--cyan);font-weight:700}
.c-hero__figure{position:relative}
.c-hero__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(4,2,12,.5);
  aspect-ratio:16/10;background:#171331;
}
.c-hero__media img{width:100%;height:100%;object-fit:cover;opacity:.94}
.c-hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,11,26,0) 40%,rgba(14,11,26,.55));
}
.c-hero__corner{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 11px;border-radius:8px;font-size:12px;font-weight:700;
  background:rgba(14,11,26,.72);color:var(--cyan);
  border:1px solid rgba(43,232,196,.4);letter-spacing:.04em;
}
.c-hero__float{
  position:absolute;right:-12px;bottom:-20px;z-index:3;
  background:rgba(20,16,40,.94);border:1px solid rgba(43,232,196,.28);
  border-radius:var(--radius);padding:14px 18px;min-width:190px;
  box-shadow:0 16px 40px rgba(4,2,12,.55);
}
.c-hero__float dl{display:flex;justify-content:space-between;gap:18px;margin:0}
.c-hero__float dt{font-size:12px;color:var(--mist)}
.c-hero__float dd{margin:0;font-size:13px;font-weight:700;color:var(--cyan)}
.c-hero__float p{margin:10px 0 0;font-size:11.5px;color:rgba(185,179,206,.8);letter-spacing:.02em}
.c-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.c-stats__item strong{display:block;font-size:26px;font-weight:800;color:var(--cyan);letter-spacing:.02em;line-height:1.2}
.c-stats__item span{font-size:12.5px;color:var(--mist);letter-spacing:.02em}

/* ============ 通用板块 ============ */
.c-section{padding:86px 0}
.c-section--tight{padding:64px 0}
.c-section--nebula{background:var(--nebula-deep)}
.c-section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:38px}
.c-section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--indigo);margin-bottom:12px;
}
.c-section__eyebrow::before{content:"";width:22px;height:2px;background:var(--indigo);border-radius:2px}
.c-section__title{font-size:clamp(25px,2.6vw,34px);line-height:1.24;font-weight:800;letter-spacing:.01em}
.c-section__desc{margin-top:12px;font-size:15.5px;color:var(--muted);max-width:44em}
.c-link-more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--indigo);
  white-space:nowrap;transition:gap .18s var(--ease),color .18s var(--ease);
}
.c-link-more:hover{gap:12px;color:var(--indigo-deep)}

/* ============ 筛选标签行 ============ */
.c-filterbar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;
  margin-bottom:34px;scrollbar-width:thin;
}
.c-filterbar::-webkit-scrollbar{height:5px}
.c-filterbar::-webkit-scrollbar-thumb{background:#D9D2F5;border-radius:3px}
.c-filter{
  flex:none;padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--muted);background:#fff;border:1px solid var(--line);
  transition:all .18s var(--ease);
}
.c-filter:hover{border-color:#C9BFF0;color:var(--indigo)}
.c-filter.is-active{background:var(--indigo);border-color:var(--indigo);color:#fff;box-shadow:0 6px 16px rgba(75,46,204,.24)}

/* ============ 首条大图横卡 ============ */
.c-feature-card{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.c-feature-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(14,11,26,.08),0 22px 50px rgba(14,11,26,.12)}
.c-feature-card__media{position:relative;min-height:320px;background:var(--nebula)}
.c-feature-card__media img{width:100%;height:100%;object-fit:cover}
.c-feature-card__badge{
  position:absolute;top:16px;left:16px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:var(--orange);color:#fff;letter-spacing:.02em;
}
.c-feature-card__body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center}
.c-tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--nebula-deep);color:var(--indigo);
}
.c-feature-card__body h3{font-size:clamp(20px,2vw,25px);line-height:1.35;font-weight:800;margin:14px 0 12px}
.c-feature-card__body p{font-size:15px;color:var(--muted);line-height:1.8}
.c-bullets{margin:18px 0 24px;display:grid;gap:9px}
.c-bullets li{position:relative;padding-left:22px;font-size:14.5px;color:#3A3450;line-height:1.7}
.c-bullets li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  border-radius:2px;background:var(--cyan);transform:rotate(45deg);
}

/* ============ 两列图文卡 ============ */
.c-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.c-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow-soft);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.c-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D8D0F4}
.c-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.c-card__icon{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:rgba(75,46,204,.08);color:var(--indigo);font-size:15px;font-weight:800;
}
.c-card h3{font-size:18.5px;line-height:1.4;font-weight:800;margin-bottom:10px}
.c-card p{font-size:14.5px;color:var(--muted);line-height:1.78}
.c-card__foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#7A748F;
}
.c-card__foot .c-link-more{font-size:13.5px}

/* ============ 列表行 ============ */
.c-rows{display:grid;gap:12px;margin-top:28px}
.c-row{
  display:flex;align-items:center;gap:20px;
  padding:18px 24px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;transition:all .18s var(--ease);
}
.c-row:hover{background:var(--nebula);border-color:#D3CAF3;transform:translateX(2px)}
.c-row__idx{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--indigo);background:rgba(75,46,204,.08);
}
.c-row__main{flex:1;min-width:0}
.c-row__title{font-size:16px;font-weight:700;line-height:1.5}
.c-row__desc{font-size:13.5px;color:#6E6884;margin-top:3px;line-height:1.6}
.c-row__meta{flex:none;font-size:12.5px;color:#8C86A0;letter-spacing:.02em}
.c-row__arrow{flex:none;color:var(--indigo);font-size:16px;transition:transform .18s var(--ease)}
.c-row:hover .c-row__arrow{transform:translateX(4px)}

/* ============ 深色自查面板 ============ */
.c-panel-dark{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:
    radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(140deg,#0E0B1A,#1A1236 70%,#221749);
  color:var(--star);padding:54px 48px;
  border:1px solid rgba(255,255,255,.1);
}
.c-panel-dark::before{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(43,232,196,.22),transparent 68%);filter:blur(24px);
}
.c-panel-dark__head{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px}
.c-panel-dark__head h2{font-size:clamp(24px,2.5vw,32px);font-weight:800;line-height:1.28}
.c-panel-dark__head p{margin-top:10px;font-size:15px;color:var(--mist);max-width:40em}
.c-steps{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.c-steps::before{
  content:"";position:absolute;top:34px;left:12%;right:12%;height:1px;
  border-top:1px dashed rgba(43,232,196,.45);
}
.c-step{position:relative;padding:0}
.c-step__num{
  font-size:46px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.6px rgba(43,232,196,.75);
  letter-spacing:.02em;
}
.c-step h3{margin:16px 0 10px;font-size:17.5px;font-weight:800;color:#fff}
.c-step p{font-size:14.5px;color:var(--mist);line-height:1.78}
.c-step__meta{display:inline-block;margin-top:14px;font-size:12px;letter-spacing:.06em;color:var(--cyan)}

/* ============ 提示条 ============ */
.c-note{
  position:relative;display:flex;gap:16px;align-items:flex-start;
  background:#F0EBFF;border:1px solid #E0D8FA;border-left:3px solid var(--indigo);
  border-radius:12px;padding:22px 26px;
}
.c-note__icon{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:#fff;color:var(--indigo);font-weight:800;font-size:15px;border:1px solid #E0D8FA;
}
.c-note strong{display:block;font-size:15.5px;margin-bottom:6px;color:#241C46}
.c-note p{font-size:14.5px;color:#4C4468;line-height:1.8}

/* ============ FAQ ============ */
.c-faq{display:grid;gap:12px}
.c-faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.c-faq__item.is-open{border-color:#CFC5F2;box-shadow:var(--shadow-soft)}
.c-faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
  text-align:left;padding:19px 24px;font-size:16px;font-weight:700;line-height:1.55;
  color:#221C39;transition:color .18s var(--ease);
}
.c-faq__q:hover{color:var(--indigo)}
.c-faq__sign{
  flex:none;position:relative;width:22px;height:22px;border-radius:50%;
  border:1px solid #D8D0F4;transition:transform .25s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.c-faq__sign::before,.c-faq__sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--indigo);
  transform:translate(-50%,-50%);border-radius:1px;transition:opacity .2s var(--ease);
}
.c-faq__sign::before{width:10px;height:1.6px}
.c-faq__sign::after{width:1.6px;height:10px}
.c-faq__item.is-open .c-faq__sign{background:var(--indigo);border-color:var(--indigo);transform:rotate(180deg)}
.c-faq__item.is-open .c-faq__sign::before,
.c-faq__item.is-open .c-faq__sign::after{background:#fff}
.c-faq__item.is-open .c-faq__sign::after{opacity:0}
.c-faq__a{
  max-height:0;overflow:hidden;
  transition:max-height .26s var(--ease);
}
.c-faq__a p{
  padding:0 24px 22px;font-size:14.8px;color:#544C6C;line-height:1.85;
  border-top:1px dashed transparent;
}

/* ============ CTA 横幅 ============ */
.c-cta{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:
    radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px) 0 0/22px 22px,
    linear-gradient(115deg,#0E0B1A,#1B1338 62%,#251A4E);
  color:var(--star);padding:48px 50px;
  display:flex;align-items:center;justify-content:space-between;gap:38px;
  border:1px solid rgba(255,255,255,.1);
}
.c-cta::after{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(75,46,204,.55),transparent 68%);
  filter:blur(26px);pointer-events:none;
}
.c-cta__text{position:relative;z-index:1;max-width:44em}
.c-cta h2{font-size:clamp(23px,2.4vw,30px);font-weight:800;line-height:1.3;margin-bottom:12px}
.c-cta p{font-size:15px;color:var(--mist);line-height:1.8}
.c-cta__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ============ 返回链接 ============ */
.c-backline{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:40px}
.c-backline__back{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--indigo);
  transition:gap .18s var(--ease);
}
.c-backline__back:hover{gap:13px}
.c-backline__hint{font-size:13px;color:#7A748F}

/* ============ 页脚 ============ */
.c-footer{background:var(--ink);color:var(--mist);padding:72px 0 28px;position:relative}
.c-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,232,196,.4),transparent);
}
.c-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.c-footer .c-logo{margin-bottom:18px}
.c-footer .c-logo__name{color:#fff}
.c-footer__slogan{font-size:14.5px;line-height:1.85;color:var(--mist);max-width:22em;margin-bottom:18px}
.c-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.c-footer__links{display:grid;gap:12px}
.c-footer__links a{font-size:14px;color:var(--mist);transition:color .18s var(--ease)}
.c-footer__links a:hover{color:var(--cyan)}
.c-footer__contact{display:grid;gap:12px;font-size:14px;color:var(--mist)}
.c-footer__bottom{
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12px;color:rgba(185,179,206,.72);line-height:1.8;
}
.c-footer__bottom p{max-width:70em}

/* ============ 返回顶部 ============ */
.c-totop{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--indigo);color:#fff;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(75,46,204,.4);z-index:70;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .24s var(--ease);
}
.c-totop.is-show{opacity:1;visibility:visible;transform:none}
.c-totop:hover{background:var(--indigo-deep)}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .c-hero__grid{grid-template-columns:1fr;gap:44px}
  .c-hero{padding:52px 0 66px}
  .c-hero__figure{max-width:620px}
  .c-hero__float{right:12px;bottom:-16px}
  .c-nav__links{gap:22px;margin-left:22px}
  .c-nav__link{font-size:14px}
  .c-feature-card{grid-template-columns:1fr}
  .c-feature-card__media{min-height:240px}
  .c-feature-card__body{padding:30px}
  .c-panel-dark{padding:44px 34px}
  .c-steps{grid-template-columns:1fr;gap:30px}
  .c-steps::before{display:none}
  .c-footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:860px){
  .c-nav__links{display:none}
  .c-nav__actions .badge-live{display:none}
  .c-nav__toggle{display:flex}
  .c-nav__actions .btn{display:none}
  .c-cta{flex-direction:column;align-items:flex-start;padding:38px 30px;gap:26px}
  .c-cta__actions{width:100%}
  .c-section{padding:64px 0}
  .c-section__head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:768px){
  .container{padding:0 22px}
  .c-topbar__inner{height:34px}
  .c-countdown{display:none}
  .c-card-grid{grid-template-columns:1fr}
  .c-hero__btns .btn{flex:1 1 auto}
  .c-hero__float{position:static;margin-top:16px;right:auto;bottom:auto;min-width:0}
  .c-stats{grid-template-columns:1fr;gap:16px;text-align:left}
  .c-stats__item strong{font-size:23px}
  .c-panel-dark{padding:34px 22px;border-radius:18px}
  .c-row{flex-wrap:wrap;gap:12px;padding:18px}
  .c-row__meta{order:3}
  .c-row__arrow{display:none}
  .c-cta{border-radius:18px}
  .c-faq__q{padding:17px 18px;font-size:15px}
  .c-faq__a p{padding:0 18px 20px}
  .c-footer{padding:54px 0 24px}
  .c-footer__grid{grid-template-columns:1fr;gap:32px}
  .c-footer__bottom{flex-direction:column;align-items:flex-start}
  .c-backline{align-items:flex-start;flex-direction:column}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .c-hero h1{font-size:clamp(25px,7vw,30px)}
  .c-hero__lead{font-size:15.5px}
  .c-hero__btns{flex-direction:column}
  .c-hero__btns .btn{width:100%}
  .c-section{padding:52px 0}
  .c-section__title{font-size:23px}
  .c-feature-card__body{padding:24px 20px}
  .c-card{padding:22px 20px}
  .c-tag{font-size:11.5px}
  .c-cta{padding:30px 22px}
  .c-cta__actions .btn{width:100%}
  .c-note{padding:18px;flex-direction:column;gap:12px}
  .c-totop{right:16px;bottom:18px;width:42px;height:42px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}