/* roulang page: index */
:root{
  --bg:#04070E;
  --bg-1:#0A111F;
  --bg-2:#101A2E;
  --glass:rgba(12,20,36,.62);
  --primary:#12E1A0;
  --primary-hover:#3BFFBD;
  --primary-active:#0BB183;
  --accent:#FF6A3D;
  --danger:#FF3D6E;
  --text-1:#EDF3FF;
  --text-2:#9AA9C2;
  --text-3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --focus:rgba(18,225,160,.35);
  --r-card:18px;
  --r-panel:24px;
  --r-img:16px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), 0 0 32px -14px rgba(18,225,160,.55);
  --shadow-soft:0 14px 34px rgba(0,0,0,.4);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:'HarmonyOS Sans SC','Source Han Sans SC','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(18,225,160,.10), transparent 70%),
    radial-gradient(720px 420px at 96% 8%, rgba(255,106,61,.06), transparent 72%);
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary-hover);}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;}
h1{font-size:clamp(32px,5vw,58px);font-weight:800;line-height:1.22;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.28;}
h3{font-size:20px;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
.container,.container-fluid{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1400px;}}
@media (max-width:767px){.container{padding-left:20px;padding-right:20px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(4,7,14,.92);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line-2);
}
.nav-bar{
  width:100%;
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:22px;
  height:8px;
  border-radius:3px;
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  box-shadow:0 0 18px -4px var(--primary);
  flex:none;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
}
.nav-item-link{
  position:relative;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  padding:6px 2px;
  transition:color .22s var(--ease);
}
.nav-item-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-8px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-item-link:hover{color:var(--text-1);}
.nav-item-link:hover::after{transform:scaleX(1);}
.nav-item-link.active{color:var(--primary);}
.nav-item-link.active::after{transform:scaleX(1);}
.nav-side{display:flex;align-items:center;gap:16px;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 20px;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  color:#04120C;
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  box-shadow:0 0 26px -8px var(--primary);
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-cta:hover{color:#04120C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 34px -6px var(--primary);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line-2);
  border-radius:12px;
  background:transparent;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:12px;
  right:12px;
  height:2px;
  border-radius:2px;
  background:var(--text-1);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle span:nth-child(1){top:16px;}
.nav-toggle span:nth-child(2){top:22px;}
.nav-toggle span:nth-child(3){top:28px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media (max-width:991px){
  .site-header{height:64px;}
  .nav-bar{gap:16px;}
  .nav-menu{
    position:fixed;
    inset:64px 0 0 0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:24px 20px 32px;
    background:rgba(4,7,14,.98);
    backdrop-filter:blur(20px);
    border-top:1px solid var(--line);
    overflow-y:auto;
  }
  .nav-menu.open{display:flex;}
  .nav-item-link{
    font-size:20px;
    font-weight:600;
    color:var(--text-1);
    padding:18px 4px;
    border-bottom:1px solid var(--line);
  }
  .nav-item-link::after{display:none;}
  .nav-menu .nav-cta{
    margin-top:28px;
    justify-content:center;
    height:52px;
    font-size:16px;
  }
  .nav-side .nav-cta{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:-2;
}
.hero-mask{
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(180deg,rgba(4,7,14,.30),rgba(4,7,14,.86) 60%,#04070E 100%),
    radial-gradient(560px 380px at 8% 92%, rgba(18,225,160,.08), transparent 70%);
}
.hero-inner{
  position:relative;
  width:100%;
  padding-top:120px;
  padding-bottom:56px;
}
.hero-text{max-width:640px;}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.18em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:20px;
}
.hero-kicker::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--primary);
  display:inline-block;
}
.hero-sub{
  margin-top:22px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
}
.hero-actions{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.btn-glow,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-glow{
  color:#04120C;
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  box-shadow:0 0 26px -8px var(--primary);
}
.btn-glow:hover{color:#04120C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 38px -6px var(--primary);}
.btn-glow:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:transparent;
  border-color:rgba(18,225,160,.6);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(18,225,160,.12);color:var(--primary-hover);border-color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lg{height:54px;padding:0 32px;font-size:16px;}
.hero-stats{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
  padding-top:28px;
  gap:0;
}
.stat{
  padding:0 24px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:none;padding-left:0;}
.stat-num{
  font-size:clamp(26px,2.6vw,34px);
  font-weight:800;
  color:var(--primary);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-3);}
.scroll-hint{
  position:absolute;
  right:24px;
  bottom:30px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  writing-mode:vertical-rl;
  letter-spacing:.16em;
}
.scroll-hint::after{
  content:"";
  width:1px;
  height:44px;
  background:linear-gradient(180deg,var(--primary),transparent);
}
@media (max-width:991px){
  .hero{min-height:78vh;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px;}
  .stat{padding:0 16px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .scroll-hint{display:none;}
}
@media (max-width:767px){
  .hero{min-height:72vh;}
  .hero-inner{padding-top:96px;padding-bottom:40px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .btn-glow,.btn-ghost{width:100%;}
}

/* ============ 通用板块 ============ */
.section{position:relative;z-index:1;padding:112px 0;}
.section--tight{padding:88px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,17,31,.65),rgba(4,7,14,0));}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.eyebrow{
  display:block;
  font-size:13px;
  letter-spacing:.18em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-title{color:var(--text-1);}
.section-desc{margin-top:12px;color:var(--text-2);font-size:16px;max-width:640px;}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.link-more:hover{border-bottom-color:var(--primary);}
@media (max-width:767px){
  .section{padding:60px 0;}
  .section--tight{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative;}
.rail-track{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding-bottom:18px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail-track::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 288px;
  scroll-snap-align:start;
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rail-card:hover{
  transform:translateY(-4px);
  border-color:rgba(18,225,160,.4);
  box-shadow:var(--shadow-card);
}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rail-card:hover .rail-thumb img{transform:scale(1.04);}
.chip{
  position:absolute;
  top:12px;
  left:12px;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:6px;
  color:var(--primary);
  background:rgba(18,225,160,.14);
  border:1px solid rgba(18,225,160,.28);
  backdrop-filter:blur(6px);
}
.live-flag{
  position:absolute;
  top:12px;
  right:12px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--danger);
  background:rgba(4,7,14,.7);
  border:1px solid rgba(255,61,110,.28);
  padding:4px 9px;
  border-radius:6px;
}
.live-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--danger);
  box-shadow:0 0 8px var(--danger);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.rail-body{padding:16px 18px 18px;}
.rail-title{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rail-meta{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.rail-meta i{width:1px;height:12px;background:var(--line-2);display:inline-block;font-style:normal;}
.rail-bar{
  height:2px;
  border-radius:2px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
  margin-top:4px;
}
.rail-bar span{
  display:block;
  height:100%;
  width:22%;
  background:var(--primary);
  border-radius:2px;
  transition:width .2s var(--ease),transform .2s var(--ease);
}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line-2);
  background:transparent;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.rail-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(18,225,160,.08);}
@media (max-width:767px){
  .rail-card{flex:0 0 240px;}
  .rail-nav{display:none;}
}

/* ============ 热播推荐 ============ */
.spot{position:relative;}
.spot-main{
  position:relative;
  min-height:440px;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--line);
  display:flex;
  align-items:flex-end;
  background:#0A111F;
}
.spot-main img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.spot-main:hover img{transform:scale(1.03);}
.spot-main::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(4,7,14,.15) 30%,rgba(4,7,14,.92) 88%);
}
.spot-main-content{position:relative;z-index:2;padding:36px;}
.spot-main-content h3{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.spot-main-content p{margin-top:14px;color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.spot-main-content .link-more{display:inline-block;margin-top:20px;}
.spot-side{display:flex;flex-direction:column;gap:24px;}
.mini-card{
  display:flex;
  gap:18px;
  padding:16px;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(18,225,160,.4);box-shadow:var(--shadow-card);}
.mini-thumb{flex:0 0 132px;aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:#0A111F;}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.mini-card:hover .mini-thumb img{transform:scale(1.04);}
.mini-body{min-width:0;display:flex;flex-direction:column;justify-content:center;}
.mini-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-body p{margin-top:8px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-body .rail-meta{margin-top:12px;}
@media (max-width:991px){
  .spot-main{min-height:340px;}
  .spot-main-content{padding:24px;}
}
@media (max-width:575px){
  .mini-card{flex-direction:column;}
  .mini-thumb{flex:none;width:100%;aspect-ratio:16/9;}
}

/* ============ 资讯列表 ============ */
.news-card{
  height:100%;
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(18,225,160,.4);box-shadow:var(--shadow-card);}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A111F;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:20px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--text-1);}
.news-title a:hover{color:var(--primary);}
.news-sum{margin-top:12px;font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}
.badge-cat{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:6px;
  color:var(--primary);
  background:rgba(18,225,160,.12);
  border:1px solid rgba(18,225,160,.24);
}
.news-card--feature{flex-direction:row;}
.news-card--feature .news-cover{flex:0 0 42%;aspect-ratio:auto;min-height:260px;}
.news-card--feature .news-body{padding:32px;}
.news-card--feature .news-title{font-size:24px;-webkit-line-clamp:3;}
.news-card--feature .news-sum{font-size:15px;-webkit-line-clamp:3;}
@media (max-width:991px){
  .news-card--feature{flex-direction:column;}
  .news-card--feature .news-cover{flex:none;aspect-ratio:16/9;min-height:0;}
  .news-card--feature .news-body{padding:22px;}
}
.news-empty{
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--line-2);
  border-radius:var(--r-panel);
  background:rgba(10,17,31,.5);
}
.news-empty svg{margin:0 auto 18px;display:block;stroke:var(--text-3);}
.news-empty p{color:var(--text-2);font-size:16px;}
.news-empty .btn-ghost{margin-top:22px;}

/* ============ 片单分区（左标签 + 右侧预览） ============ */
.tab-list{display:flex;flex-direction:column;gap:6px;border-left:1px solid var(--line);}
.tab-item{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:16px 18px;
  border-radius:0 12px 12px 0;
  color:var(--text-2);
  font-size:16px;
  font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.tab-item::before{
  content:"";
  position:absolute;
  left:-1px;
  top:10px;
  bottom:10px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background .22s var(--ease);
}
.tab-item:hover{background:rgba(255,255,255,.04);color:var(--text-1);}
.tab-item.is-current{background:rgba(18,225,160,.08);color:var(--primary);}
.tab-item.is-current::before{background:var(--primary);}
.tab-item small{font-size:13px;color:var(--text-3);font-weight:500;}
.preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.preview-card{
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.preview-card:hover{transform:translateY(-4px);border-color:rgba(18,225,160,.4);box-shadow:var(--shadow-card);}
.preview-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.preview-card:hover img{transform:scale(1.04);}
.preview-body{padding:16px 18px 20px;}
.preview-body h3{font-size:16px;line-height:1.5;}
.preview-body p{margin-top:8px;font-size:13px;color:var(--text-3);}
@media (max-width:767px){
  .preview-grid{grid-template-columns:1fr;}
  .tab-item{padding:14px 14px;font-size:15px;}
}

/* ============ FAQ ============ */
.faq-side{position:sticky;top:104px;}
.faq-side h2{margin-bottom:14px;}
.faq-side p{color:var(--text-2);font-size:15px;}
.faq-contact{
  margin-top:24px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
}
.faq-contact span{display:block;font-size:13px;color:var(--text-3);}
.faq-contact a{font-size:15px;font-weight:600;}
.accordion-custom .accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
}
.accordion-custom .accordion-item:first-of-type{border-top:1px solid var(--line);}
.accordion-custom .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text-1);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:22px 46px 22px 16px;
  box-shadow:none;
  transition:color .2s var(--ease);
}
.accordion-custom .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background .2s var(--ease);
}
.accordion-custom .accordion-button:not(.collapsed){color:var(--primary);}
.accordion-custom .accordion-button:not(.collapsed)::before{background:var(--primary);}
.accordion-custom .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--focus);}
.accordion-custom .accordion-button::after{
  content:"";
  position:absolute;
  right:14px;
  width:14px;
  height:14px;
  background:none;
  border-right:2px solid var(--text-2);
  border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
  margin:0;
}
.accordion-custom .accordion-button:not(.collapsed)::after{
  transform:rotate(225deg);
  border-color:var(--primary);
}
.accordion-custom .accordion-body{
  padding:0 46px 24px 16px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
@media (max-width:991px){
  .faq-side{position:static;margin-bottom:28px;}
}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid rgba(18,225,160,.22);
  background:var(--glass);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-soft);
  padding:48px;
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
  height:1px;
}
.cta-panel h2{margin-bottom:14px;}
.cta-panel p{color:var(--text-2);font-size:16px;max-width:520px;}
.subscribe{
  display:flex;
  gap:12px;
  margin-top:26px;
  max-width:480px;
}
.subscribe input{
  flex:1;
  height:48px;
  padding:0 22px;
  border-radius:999px;
  background:#080E1A;
  border:1px solid var(--line-2);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe input::placeholder{color:var(--text-3);}
.subscribe input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,225,160,.15);
}
.privacy-note{margin-top:14px;font-size:12px;color:var(--text-3);}
@media (max-width:767px){
  .cta-panel{padding:28px 20px;}
  .subscribe{flex-direction:column;max-width:none;}
  .subscribe .btn-glow{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:24px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,31,.5),rgba(4,7,14,.9));
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--text-1);
}
.footer-brand .brand-mark{width:20px;height:8px;}
.footer-desc{margin-top:16px;font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8;}
.footer-title{font-size:14px;font-weight:600;color:var(--text-2);letter-spacing:.02em;margin-bottom:18px;}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-2);}
.footer-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .site-footer{padding:56px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .live-dot{animation:none;}
  *{transition-duration:.01ms !important;}
}

/* roulang page: article */
:root{
  --bg:#04070E;
  --bg-1:#0A111F;
  --bg-2:#101A2E;
  --glass:rgba(12,20,36,.62);
  --primary:#12E1A0;
  --primary-hover:#3BFFBD;
  --primary-active:#0BB183;
  --accent:#FF6A3D;
  --danger:#FF3D6E;
  --t1:#EDF3FF;
  --t2:#9AA9C2;
  --t3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.18);
  --focus:rgba(18,225,160,.35);
  --radius-card:18px;
  --radius-panel:24px;
  --radius-img:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 18px 40px rgba(0,0,0,.45), 0 0 32px -14px rgba(18,225,160,.55);
  --font:'HarmonyOS Sans SC','Source Han Sans SC','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--t1);font-family:var(--font);
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(18,225,160,.10),transparent 62%),
    radial-gradient(640px 420px at 4% 6%,rgba(255,106,61,.055),transparent 66%);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--primary-hover);}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(18,225,160,.28);color:#04070E;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1400px;}}
h1,h2,h3{color:var(--t1);letter-spacing:-.01em;margin:0;font-weight:700;}
p{margin:0 0 1em;}
.row{--bs-gutter-x:2rem;}

/* ---------- 通用组件 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:999px;
  background:linear-gradient(135deg,#12E1A0,#0FB7D6);color:#04120C;
  font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;
  box-shadow:0 0 26px -8px rgba(18,225,160,.9);
  transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);color:#04120C;text-decoration:none;box-shadow:0 0 36px -6px rgba(18,225,160,1);}
.btn-main:active{transform:translateY(0);filter:brightness(.97);}
.btn-main.btn-lg{height:54px;padding:0 34px;font-size:16px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;background:transparent;
  border:1px solid rgba(18,225,160,.6);color:var(--primary);
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:background .24s var(--ease),transform .24s var(--ease),color .24s var(--ease);
}
.btn-ghost:hover{background:rgba(18,225,160,.12);color:var(--primary-hover);transform:translateY(-2px);text-decoration:none;}
.badge-soft{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 10px;border-radius:6px;
  background:rgba(18,225,160,.12);color:var(--primary);border:1px solid rgba(18,225,160,.22);
  letter-spacing:.02em;white-space:nowrap;
}
.badge-warm{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 10px;border-radius:6px;
  background:rgba(255,106,61,.12);color:var(--accent);border:1px solid rgba(255,106,61,.26);
}
.eye{
  display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.rule{height:1px;background:var(--line);border:0;margin:0;}
.section{padding:88px 0;position:relative;z-index:1;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.28;}
.section-head p{color:var(--t2);font-size:15px;margin:10px 0 0;max-width:640px;}
.link-more{font-size:14px;font-weight:600;color:var(--primary);}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;width:100%;
  background:rgba(4,7,14,.94);border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,20,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:32px;height:var(--header-h);}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--t1);letter-spacing:-.01em;}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:10px;height:10px;border-radius:3px;flex:0 0 auto;
  background:linear-gradient(135deg,#12E1A0,#0FB7D6);
  box-shadow:0 0 14px rgba(18,225,160,.85);
}
.nav-menu{display:flex;align-items:center;gap:32px;}
.nav-item-link{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;
}
.nav-item-link:hover{color:var(--t1);}
.nav-item-link.active{color:var(--t1);}
.nav-item-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(18,225,160,.8);
}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 20px;border-radius:999px;
  background:rgba(18,225,160,.12);border:1px solid rgba(18,225,160,.32);
  color:var(--primary);font-size:14px;font-weight:600;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.nav-cta:hover{background:rgba(18,225,160,.2);color:var(--primary-hover);}
.nav-menu .nav-cta{display:none;}
.nav-side{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:transparent;padding:0;cursor:pointer;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{position:relative;z-index:1;padding:28px 0 0;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);background:none;padding:0;margin:0;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.crumb .sep{color:var(--t3);}
.crumb .current{color:var(--t3);}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 30px;position:relative;z-index:1;}
.article-kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px;}
.article-title{font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.24;max-width:960px;}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;margin-top:22px;font-size:13px;color:var(--t3);}
.article-meta .sep{color:rgba(255,255,255,.18);}

/* ---------- 头图 ---------- */
.article-figure{position:relative;z-index:1;padding:32px 0 0;}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line);}
.article-figure figcaption{margin-top:12px;font-size:13px;color:var(--t3);}

/* ---------- 正文布局 ---------- */
.article-main{position:relative;z-index:1;padding:56px 0 72px;}
.article-body{
  max-width:760px;font-size:17px;line-height:1.85;color:#D6E0F0;overflow-wrap:break-word;
}
.article-body > p:first-of-type{color:var(--t1);font-size:18px;}
.article-body h2{
  font-size:clamp(22px,2.4vw,26px);font-weight:700;line-height:1.35;
  margin:2.2em 0 .85em;padding-left:14px;border-left:3px solid var(--primary);
}
.article-body h3{font-size:19px;font-weight:700;line-height:1.45;margin:1.9em 0 .7em;}
.article-body p{margin:0 0 1.15em;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(18,225,160,.35);}
.article-body a:hover{color:var(--primary-hover);border-bottom-color:var(--primary-hover);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;list-style:none;}
.article-body ol{counter-reset:li;}
.article-body li{position:relative;padding-left:22px;margin-bottom:.6em;}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px -2px rgba(18,225,160,.9);
}
.article-body ol > li{counter-increment:li;}
.article-body ol > li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--primary);
}
.article-body blockquote{
  margin:1.8em 0;padding:22px 26px;border-radius:0 var(--radius-card) var(--radius-card) 0;
  background:var(--glass);border-left:3px solid var(--primary);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--t1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:rgba(255,255,255,.035);color:var(--t1);font-weight:600;}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0;}

/* ---------- 侧栏 ---------- */
.side-panel{
  position:sticky;top:calc(var(--header-h) + 24px);
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.side-panel::before{
  content:"";display:block;height:1px;margin:-26px -24px 22px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.side-title{font-size:14px;font-weight:600;color:var(--t2);letter-spacing:.06em;margin-bottom:14px;}
.side-list{display:flex;flex-direction:column;}
.side-list a{
  display:block;font-size:14px;color:var(--t2);padding:10px 0 10px 14px;position:relative;
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-list a:last-child{border-bottom:0;}
.side-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--primary);transition:height .22s var(--ease);
}
.side-list a:hover{color:var(--primary);padding-left:18px;}
.side-list a:hover::before{height:14px;}
.side-divider{height:1px;background:var(--line);margin:22px 0;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag-row .badge-soft{background:rgba(255,255,255,.04);color:var(--t2);border-color:var(--line);}
.side-note{font-size:13px;color:var(--t3);line-height:1.75;margin:0;}

/* ---------- 相关推荐 ---------- */
.card-post{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card-post:hover{transform:translateY(-4px);border-color:rgba(18,225,160,.4);box-shadow:var(--shadow-card);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A111F;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card-post:hover .card-media img{transform:scale(1.04);}
.card-media .badge-soft{position:absolute;left:14px;top:14px;backdrop-filter:blur(6px);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:19px;font-weight:700;line-height:1.45;}
.card-title a{color:var(--t1);}
.card-title a:hover{color:var(--primary);}
.card-text{font-size:14px;line-height:1.75;color:var(--t2);margin:0;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);}
.card-meta .more{font-weight:600;color:var(--primary);}

/* ---------- 继续浏览 ---------- */
.post-nav{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.post-nav-item{flex:1 1 280px;padding:26px 24px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);}
.post-nav-item:last-child{border-right:0;}
.post-nav-item .pn-label{font-size:12px;letter-spacing:.12em;color:var(--t3);}
.post-nav-item .pn-title{font-size:17px;font-weight:600;color:var(--t1);}
.post-nav-item:hover .pn-title{color:var(--primary);}
.back-row{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- CTA ---------- */
.cta-panel{
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  padding:40px 44px;border-radius:var(--radius-panel);
  background:var(--glass);border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 18px 50px rgba(0,0,0,.5),0 0 40px -18px rgba(18,225,160,.6);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;}
.cta-panel p{color:var(--t2);font-size:15px;margin:10px 0 0;max-width:520px;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.subscribe-form input[type="email"]{
  height:48px;min-width:260px;padding:0 20px;border-radius:999px;
  background:#080E1A;border:1px solid var(--line);color:var(--t1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input[type="email"]::placeholder{color:var(--t3);}
.subscribe-form input[type="email"]:focus{outline:none;border-color:rgba(18,225,160,.7);box-shadow:0 0 0 4px rgba(18,225,160,.15);}
.form-tip{font-size:13px;color:var(--primary);margin:14px 0 0;min-height:18px;}
.privacy-note{font-size:12px;color:var(--t3);margin:14px 0 0;}

/* ---------- 空态 ---------- */
.empty-box{
  max-width:640px;margin:0 auto;text-align:center;padding:72px 32px;
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);border-radius:var(--radius-panel);
}
.empty-box svg{width:44px;height:44px;stroke:var(--t3);fill:none;stroke-width:1.5;margin-bottom:18px;}
.empty-box h2{font-size:22px;margin-bottom:12px;}
.empty-box p{color:var(--t2);font-size:15px;margin-bottom:26px;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:72px 0 30px;background:rgba(4,7,14,.6);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--t1);margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--t2);line-height:1.8;max-width:340px;margin:0;}
.footer-title{font-size:14px;font-weight:600;color:var(--t2);margin-bottom:16px;letter-spacing:.04em;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--t2);}
.footer-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- 动效 ---------- */
html.js .reveal{opacity:0;transform:translateY(8px);}
html.js .reveal.is-visible{opacity:1;transform:none;transition:opacity .4s var(--ease),transform .4s var(--ease);}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  html.js .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .side-panel{position:static;}
}
@media (max-width:991px){
  :root{--header-h:64px;}
  .nav-toggle{display:flex;}
  .nav-side{display:none;}
  .nav-menu{
    position:fixed;left:0;right:0;top:var(--header-h);bottom:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:#060b16;border-top:1px solid var(--line);
    padding:20px 20px 40px;overflow-y:auto;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .25s var(--ease),transform .25s var(--ease);
  }
  .nav-menu.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-item-link{width:100%;font-size:20px;font-weight:600;color:var(--t1);padding:18px 0;border-bottom:1px solid var(--line);}
  .nav-item-link.active::after{display:none;}
  .nav-menu .nav-cta{display:inline-flex;margin-top:28px;height:48px;padding:0 26px;font-size:15px;}
  .section{padding:64px 0;}
  .article-main{padding:44px 0 56px;}
  .card-post{height:auto;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .article-title{font-size:32px;}
  .section{padding:56px 0;}
  .article-body{font-size:16px;line-height:1.85;padding:0;}
  .card-title{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-panel{padding:30px 24px;}
  .subscribe-form{width:100%;}
  .subscribe-form input[type="email"]{min-width:0;width:100%;}
  .subscribe-form .btn-main{width:100%;}
  .post-nav-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 0;}
  .post-nav-item:last-child{border-bottom:0;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* roulang page: category1 */
:root{
  --bg:#04070E;
  --bg-raise:#0A111F;
  --bg-raise-2:#101A2E;
  --glass:rgba(12,20,36,.62);
  --primary:#12E1A0;
  --primary-hover:#3BFFBD;
  --primary-active:#0BB183;
  --accent:#FF6A3D;
  --live:#FF3D6E;
  --text-1:#EDF3FF;
  --text-2:#9AA9C2;
  --text-3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.18);
  --focus:rgba(18,225,160,.35);
  --r-card:18px;
  --r-panel:24px;
  --r-pill:999px;
  --r-badge:6px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45),0 0 32px -14px rgba(18,225,160,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:'HarmonyOS Sans SC','Source Han Sans SC','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:radial-gradient(760px 420px at 12% -6%,rgba(18,225,160,.09),transparent 62%);
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-hover);}
button{font-family:inherit;}
h1,h2,h3,h4{letter-spacing:-.01em;margin:0;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1400px;}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--nav-h);
  background:#050912;
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom-color:var(--line-hover);
}
.nav-bar{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-1);
  white-space:nowrap;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:10px;
  height:10px;
  border-radius:3px;
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  box-shadow:0 0 14px -2px rgba(18,225,160,.9);
  flex:none;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
}
.nav-item-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
}
.nav-item-link:hover{color:var(--text-1);}
.nav-item-link.active{color:var(--primary);}
.nav-item-link.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px -1px rgba(18,225,160,.8);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  color:#04120C;
  font-size:14px;
  font-weight:700;
  box-shadow:0 0 24px -10px rgba(18,225,160,.95);
  transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-cta:hover{color:#04120C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 30px -6px rgba(18,225,160,.85);}
.nav-cta:active{transform:translateY(0);}
.nav-side{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line-hover);
  background:transparent;
  border-radius:12px;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--text-1);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.btn-primary-glow,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary-glow{
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  color:#04120C;
  box-shadow:0 0 26px -8px rgba(18,225,160,.95);
}
.btn-primary-glow:hover{color:#04120C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 34px -4px rgba(18,225,160,.9);}
.btn-primary-glow:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:transparent;
  border-color:rgba(18,225,160,.6);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(18,225,160,.12);color:var(--primary-hover);border-color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lg{height:54px;padding:0 34px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  padding-bottom:2px;
  border-bottom:2px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.text-link:hover{color:var(--primary-hover);border-bottom-color:var(--primary);}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding:24px 0 0;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .current{color:var(--text-3);}

/* ---------- Category Hero ---------- */
.cat-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-panel);
  overflow:hidden;
  min-height:40vh;
  display:flex;
  align-items:flex-end;
  border:1px solid var(--line);
  isolation:isolate;
}
.cat-hero__media{
  position:absolute;
  inset:0;
  z-index:-1;
}
.cat-hero__media img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(520px 260px at 18% 100%,rgba(18,225,160,.14),transparent 70%),
    linear-gradient(180deg,rgba(4,7,14,.34),rgba(4,7,14,.88) 74%,#04070E);
  z-index:-1;
}
.cat-hero__inner{
  padding:56px 40px 44px;
  max-width:820px;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--primary);
  font-weight:600;
  margin-bottom:14px;
}
.cat-hero h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.22;
}
.cat-hero p{
  margin-top:14px;
  font-size:16px;
  color:var(--text-2);
  max-width:640px;
}

/* ---------- Filter chips ---------- */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:40px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--bg-raise);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-hover);transform:translateY(-2px);}
.chip.is-active{
  background:rgba(18,225,160,.12);
  border-color:rgba(18,225,160,.45);
  color:var(--primary);
  font-weight:600;
}

/* ---------- Section base ---------- */
.section{padding:96px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.28;
}
.section-head .eyebrow{margin-bottom:10px;display:block;}
.section-desc{
  margin-top:12px;
  color:var(--text-2);
  font-size:15px;
  max-width:620px;
}

/* ---------- Stat strip ---------- */
.stat-strip{
  margin-top:64px;
  display:flex;
  flex-wrap:wrap;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,#0C1424,#080E1A);
  padding:28px 8px;
}
.stat-item{
  flex:1 1 0;
  min-width:150px;
  padding:8px 26px;
  border-left:1px solid var(--line);
}
.stat-item:first-child{border-left:0;}
.stat-num{
  font-size:clamp(28px,3vw,36px);
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-label{
  margin-top:6px;
  font-size:13px;
  color:var(--text-2);
}

/* ---------- Live cards grid ---------- */
.card-grid{margin-top:8px;}
.match-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,#0C1424,#080E1A);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  position:relative;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.match-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
  z-index:2;
}
.match-card:hover{
  transform:translateY(-4px);
  border-color:rgba(18,225,160,.4);
  box-shadow:var(--shadow-card);
}
.match-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-raise-2);
}
.match-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.match-card:hover .match-card__media img{transform:scale(1.04);}
.match-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(4,7,14,.06),rgba(4,7,14,.62));
}
.badge-cat{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:rgba(18,225,160,.12);
  color:var(--primary);
  border:1px solid rgba(18,225,160,.35);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.live-tag{
  position:absolute;
  right:14px;top:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  color:var(--live);
}
.live-dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--live);
  box-shadow:0 0 8px 0 rgba(255,61,110,.9);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.match-card__body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.match-card__body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.42;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.match-card__body p{
  margin-top:12px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.match-card__meta{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- Guide / highlights ---------- */
.guide-panel{
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:linear-gradient(180deg,#0C1424,#080E1A);
  padding:44px;
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.guide-panel h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.28;
}
.guide-panel .section-desc{margin-top:16px;}
.guide-list{display:flex;flex-direction:column;gap:0;}
.guide-item{
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;
  gap:20px;
}
.guide-item:first-child{border-top:0;padding-top:0;}
.guide-index{
  flex:none;
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  border:1px solid rgba(18,225,160,.4);
  border-radius:var(--r-badge);
  width:38px;height:28px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.guide-item h3{font-size:18px;font-weight:700;}
.guide-item p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.faq-side{position:sticky;top:104px;}
.faq-side h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.28;}
.faq-side p{margin-top:16px;color:var(--text-2);font-size:15px;}
.faq-mail{
  margin-top:24px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  border-bottom:2px solid transparent;
}
.faq-mail:hover{border-bottom-color:var(--primary);color:var(--primary-hover);}
.faq-accordion .accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
}
.faq-accordion .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-accordion .accordion-header{margin:0;border:0;}
.faq-accordion .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text-1);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:22px 48px 22px 18px;
  box-shadow:none;
  border:0;
  width:100%;
  transition:color .2s var(--ease);
}
.faq-accordion .accordion-button:hover{color:var(--primary-hover);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--focus);outline-offset:2px;}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:transparent;
  box-shadow:none;
}
.faq-accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:22px;
  border-radius:2px;
  background:var(--primary);
  transform:translateY(-50%) scaleY(0);
  transition:transform .2s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"+";
  width:auto;height:auto;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--text-2);
  position:absolute;
  right:12px;top:50%;
  transform:translateY(-50%);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);
  color:var(--primary);
}
.faq-accordion .accordion-body{
  padding:0 48px 26px 18px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- CTA panel ---------- */
.cta-panel{
  margin-top:96px;
  border-radius:var(--r-panel);
  border:1px solid rgba(18,225,160,.28);
  background:
    radial-gradient(600px 260px at 88% 12%,rgba(18,225,160,.16),transparent 66%),
    linear-gradient(180deg,rgba(14,24,42,.86),rgba(8,14,26,.92));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:52px 44px;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:40px;
  align-items:center;
  box-shadow:0 0 44px -22px rgba(18,225,160,.75);
}
.cta-panel h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;}
.cta-panel p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:520px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input[type="email"]{
  flex:1 1 240px;
  height:48px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-hover);
  background:#070D18;
  color:var(--text-1);
  padding:0 22px;
  font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe-form input[type="email"]::placeholder{color:var(--text-3);}
.subscribe-form input[type="email"]:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,225,160,.15);
}
.form-note{
  margin-top:14px;
  font-size:12px;
  color:var(--text-3);
}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:120px;
  border-top:1px solid var(--line);
  padding:64px 0 32px;
  background:#04070E;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--text-1);
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  max-width:320px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:16px;
}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a,.footer-list span{
  font-size:14px;
  color:var(--text-2);
}
.footer-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);}
.reveal.is-visible{
  opacity:1;
  transform:none;
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .faq-wrap{gap:40px;}
  .guide-panel{grid-template-columns:1fr;gap:32px;padding:36px;}
}
@media (max-width:991px){
  :root{--nav-h:64px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    position:fixed;
    inset:var(--nav-h) 0 0 0;
    background:#060A14;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 24px 32px;
    margin:0;
    opacity:0;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .26s var(--ease),transform .26s var(--ease);
    overflow-y:auto;
  }
  .nav-menu.open{opacity:1;pointer-events:auto;transform:none;}
  .nav-item-link{
    font-size:20px;
    font-weight:600;
    color:var(--text-1);
    padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-item-link.active{color:var(--primary);}
  .nav-item-link.active::after{display:none;}
  .nav-menu .nav-cta{
    margin-top:28px;
    height:52px;
    font-size:16px;
  }
  .nav-side{display:none;}
  .section{padding-top:64px;}
  .stat-item{padding:14px 20px;}
  .stat-item:nth-child(odd){border-left:0;}
  .faq-wrap{grid-template-columns:1fr;}
  .faq-side{position:static;}
  .cta-panel{grid-template-columns:1fr;padding:36px 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero__inner{padding:40px 24px 32px;}
}
@media (max-width:767px){
  html{font-size:16px;}
  body{font-size:16px;line-height:1.85;}
  .container{padding:0 20px;}
  .cat-hero{min-height:52vh;border-radius:var(--r-card);}
  .cat-hero h1{font-size:32px;}
  .section{padding-top:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .stat-strip{padding:18px 4px;}
  .stat-item{flex:1 1 45%;min-width:120px;padding:12px 16px;}
  .stat-item:nth-child(3){border-left:0;}
  .guide-panel{padding:28px 20px;}
  .faq-accordion .accordion-button{padding:20px 42px 20px 16px;font-size:16px;}
  .faq-accordion .accordion-body{padding:0 42px 22px 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:72px;padding:48px 0 28px;}
  .btn-primary-glow,.btn-ghost{width:100%;}
  .subscribe-form input[type="email"]{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#04070E;
  --bg-1:#0A111F;
  --bg-2:#101A2E;
  --glass:rgba(12,20,36,.62);
  --primary:#12E1A0;
  --primary-hover:#3BFFBD;
  --primary-active:#0BB183;
  --accent:#FF6A3D;
  --live:#FF3D6E;
  --text-1:#EDF3FF;
  --text-2:#9AA9C2;
  --text-3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.18);
  --focus:rgba(18,225,160,.35);
  --radius-img:16px;
  --radius-card:18px;
  --radius-panel:24px;
  --radius-pill:999px;
  --radius-badge:6px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), 0 0 32px -14px rgba(18,225,160,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:'HarmonyOS Sans SC','Source Han Sans SC','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--text-1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:8px;
}
.container{width:100%;max-width:1280px;padding-inline:24px;margin-inline:auto}
@media(min-width:1400px){.container{max-width:1400px}}
@media(max-width:767px){.container{padding-inline:20px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(4,7,14,.94);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.nav-bar{display:flex;align-items:center;height:var(--nav-h)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:.02em;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:12px;height:12px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),#0FB7D6);
  box-shadow:0 0 18px -4px rgba(18,225,160,.9);
  flex:0 0 auto;
}
.nav-menu{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-menu .nav-cta{display:none}
.nav-item-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;
}
.nav-item-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
  border-radius:2px;
}
.nav-item-link:hover{color:var(--text-1)}
.nav-item-link:hover::after{transform:scaleX(1)}
.nav-item-link.active{color:var(--primary)}
.nav-item-link.active::after{transform:scaleX(1)}
.nav-side{display:flex;align-items:center;margin-left:32px}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:#04120C;
  background:linear-gradient(135deg,#12E1A0,#0FB7D6);
  box-shadow:0 0 26px -8px rgba(18,225,160,.9);
  transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.nav-cta:hover{color:#04120C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 34px -6px rgba(18,225,160,.95)}
.nav-cta:active{transform:translateY(0);background:var(--primary-active)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);margin-inline:auto;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:991px){
  :root{--nav-h:64px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;
    flex-direction:column;align-items:flex-start;gap:0;
    margin:0;padding:16px 20px 40px;
    background:#060A14;
    border-top:1px solid var(--line);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .nav-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-item-link{width:100%;font-size:20px;font-weight:600;padding:18px 0;border-bottom:1px solid var(--line);color:var(--text-1)}
  .nav-item-link::after{display:none}
  .nav-menu .nav-cta{display:inline-flex;margin-top:28px;height:48px;font-size:15px}
  .nav-side{display:none}
}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{padding-top:28px}
.breadcrumb-nav{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.breadcrumb-nav a{color:var(--text-2)}
.breadcrumb-nav a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.breadcrumb-nav .sep{color:var(--text-3)}
.breadcrumb-nav .current{color:var(--text-3)}

/* ---------- 页头 ---------- */
.page-head{padding:56px 0 12px}
.page-title{
  position:relative;
  font-size:clamp(32px,5vw,58px);
  font-weight:800;line-height:1.22;
  padding-left:24px;
}
.page-title::before{
  content:'';position:absolute;left:0;top:.18em;bottom:.14em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(18,225,160,.15));
}
.page-sub{margin-top:20px;max-width:720px;font-size:17px;color:var(--text-2);line-height:1.85}
.meta-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:28px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.meta-strip .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.meta-strip strong{color:var(--text-2);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0 0}
@media(max-width:767px){.section{padding:56px 0 0}}
.section-head{margin-bottom:40px;max-width:760px}
.eyebrow{
  display:block;margin-bottom:14px;
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);font-weight:600;
}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.28}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px}

/* ---------- 双栏主体 ---------- */
.layout-cols{padding-top:64px}
@media(max-width:991px){.layout-cols{padding-top:48px}}
.sticky-side{position:sticky;top:104px}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:28px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.glass-title{font-size:14px;font-weight:600;color:var(--text-2);letter-spacing:.04em;margin-bottom:16px}
.meta-list{display:flex;flex-direction:column;gap:14px}
.meta-list li{display:flex;flex-direction:column;gap:4px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.meta-list li:last-child{padding-bottom:0;border-bottom:0}
.meta-list span{font-size:13px;color:var(--text-3)}
.meta-list strong{font-size:15px;font-weight:600;color:var(--text-1);line-height:1.6}
.glass-divider{height:1px;background:var(--line);margin:24px 0}
.link-list{display:flex;flex-direction:column;gap:12px}
.link-list a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;color:var(--primary);
}
.link-list a::before{content:'—';color:var(--text-3)}
.link-list a:hover{color:var(--primary-hover);text-decoration:underline;text-underline-offset:4px}
@media(max-width:991px){
  .sticky-side{position:static;margin-bottom:40px}
}

/* ---------- 编号列表 ---------- */
.num-list{display:flex;flex-direction:column}
.num-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:32px 0;border-bottom:1px solid var(--line);
}
.num-item:first-child{padding-top:0}
.num-item:last-child{border-bottom:0}
.num-index{
  font-size:40px;font-weight:800;line-height:1;
  color:var(--primary);opacity:.9;
  letter-spacing:-.02em;
}
.num-body h3{font-size:20px;font-weight:700;margin-bottom:12px}
.num-body p{font-size:16px;color:var(--text-2);line-height:1.85}
.num-body p + p{margin-top:10px}
@media(max-width:575px){
  .num-item{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .num-index{font-size:32px}
}

/* ---------- 时间线 ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  border-top:1px solid var(--line);padding-top:36px;
}
.tl-item{position:relative;padding-right:16px}
.tl-dot{
  position:absolute;top:-42px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 16px -2px rgba(18,225,160,.9);
}
.tl-time{font-size:13px;letter-spacing:.08em;color:var(--accent);font-weight:600;margin-bottom:10px}
.tl-item h3{font-size:17px;font-weight:700;margin-bottom:10px}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.8}
@media(max-width:991px){
  .timeline{grid-template-columns:repeat(2,1fr);gap:36px 28px}
  .tl-dot{top:-30px}
}
@media(max-width:575px){
  .timeline{grid-template-columns:1fr;gap:30px;padding-top:28px}
  .tl-item{padding-left:20px;padding-right:0}
  .tl-dot{top:6px;left:0}
}

/* ---------- 图文区 ---------- */
.figure-panel{
  position:relative;border-radius:var(--radius-panel);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.figure-panel::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,14,0) 45%,rgba(4,7,14,.65));
  pointer-events:none;
}
.figure-panel img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease)}
.figure-panel:hover img{transform:scale(1.04)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  font-size:13px;padding:6px 14px;border-radius:var(--radius-badge);
  color:var(--primary);background:rgba(18,225,160,.1);
  border:1px solid rgba(18,225,160,.18);
}
.text-block p{font-size:16px;color:var(--text-2);line-height:1.85}
.text-block p + p{margin-top:14px}
.text-block h2{margin-bottom:18px}
.text-link{
  display:inline-block;margin-top:22px;font-size:15px;font-weight:600;color:var(--primary);
}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- FAQ ---------- */
.faq-aside h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.28}
.faq-aside p{margin-top:16px;font-size:16px;color:var(--text-2)}
.faq-aside a{color:var(--primary);font-size:15px;display:inline-block;margin-top:18px}
.faq-aside a:hover{text-decoration:underline;text-underline-offset:4px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);color:var(--text-1)}
.accordion-item:first-of-type{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--text-1);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 48px 22px 0;
  box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none}
.accordion-button:hover{color:var(--primary-hover)}
.accordion-button::after{
  content:'';width:16px;height:16px;flex:0 0 16px;margin-left:auto;
  background-image:linear-gradient(var(--primary),var(--primary)),linear-gradient(var(--primary),var(--primary));
  background-size:16px 2px,2px 16px;
  background-position:center;
  background-repeat:no-repeat;
  transition:transform .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-button:focus{box-shadow:0 0 0 2px var(--focus);border-radius:8px}
.accordion-body{padding:0 48px 26px 0;color:var(--text-2);font-size:16px;line-height:1.85}
.accordion-collapse{transition:height .2s var(--ease)}

/* ---------- CTA ---------- */
.cta-panel{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px;
  border-radius:var(--radius-panel);
  border:1px solid rgba(18,225,160,.22);
  background:var(--glass);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 18px 40px rgba(0,0,0,.45), 0 0 40px -18px rgba(18,225,160,.7);
}
.cta-panel h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.35}
.cta-panel p{margin-top:12px;font-size:16px;color:var(--text-2)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;color:#04120C;
  background:linear-gradient(135deg,#12E1A0,#0FB7D6);
  box-shadow:0 0 26px -8px rgba(18,225,160,.9);
  transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-main:hover{color:#04120C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 36px -6px rgba(18,225,160,.95)}
.btn-main:active{transform:translateY(0);background:var(--primary-active)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--primary);
  border:1px solid rgba(18,225,160,.6);background:transparent;
  transition:background .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{color:var(--primary-hover);background:rgba(18,225,160,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
@media(max-width:767px){
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .btn-main,.btn-ghost{width:100%}
  .cta-actions{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:120px;border-top:1px solid var(--line);padding:72px 0 32px;background:var(--bg)}
@media(max-width:767px){.site-footer{margin-top:64px;padding:48px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr;gap:32px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1)}
.footer-desc{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:18px}
.footer-list{display:flex;flex-direction:column;gap:12px}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-2);line-height:1.6}
.footer-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
@media(max-width:575px){.footer-bottom{flex-direction:column;gap:8px}}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}