/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --base-0:#060A12;
  --base-1:#0A1220;
  --base-2:#101A2C;
  --cy:#21E6C1;
  --cy-deep:#0FA98F;
  --cy-light:#7FF3DE;
  --red:#FF5A47;
  --gold:#F2B33D;
  --t1:#E8F1FF;
  --t2:#9DAFC9;
  --t3:#6B7B93;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:26px;
  --r-pill:999px;
  --sh-1:0 18px 40px rgba(0,0,0,.45);
  --sh-in:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 0 1px rgba(33,230,193,.5),0 8px 28px rgba(33,230,193,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:#060A12;
  --bs-body-color:#E8F1FF;
  --bs-primary:#21E6C1;
  --bs-primary-rgb:33,230,193;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#7FF3DE;
  --bs-link-hover-color:#21E6C1;
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --bs-border-radius:18px;
  --bs-body-font-size:16px;
}
/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
  background-color:var(--base-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%,rgba(33,230,193,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 3%,rgba(242,179,61,.06),transparent 60%),
    linear-gradient(180deg,#060A12 0%,#0A1220 52%,#060A12 100%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 18%,transparent 76%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 18%,transparent 76%);
}
h1,h2,h3,h4{letter-spacing:-.01em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--cy-light);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--cy)}
img{max-width:100%;display:block}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cy);outline-offset:2px;border-radius:10px}
::selection{background:rgba(33,230,193,.3);color:#fff}
#siteHeader,#siteMain,#siteFooter{position:relative;z-index:1}
/* ========== 容器 ========== */
.container{width:100%!important;max-width:1240px!important;margin:0 auto;padding-left:32px;padding-right:32px}
@media(min-width:1440px){.container{max-width:1320px!important}}
@media(max-width:991px){.container{padding-left:24px;padding-right:24px}}
@media(max-width:575px){.container{padding-left:16px;padding-right:16px}}
/* ========== 按钮体系 ========== */
.btn{
  font-family:inherit;font-size:15px;font-weight:600;line-height:1;letter-spacing:0;
  border-radius:14px;padding:14px 24px;min-height:46px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  --bs-btn-focus-box-shadow:0 0 0 3px rgba(33,230,193,.35);
}
.btn:disabled,.btn.disabled{opacity:.4;box-shadow:none!important;transform:none!important;pointer-events:none}
.btn-cy{background:var(--cy);color:#04140F;box-shadow:0 8px 24px rgba(33,230,193,.22)}
.btn-cy:hover,.btn-cy:focus{background:var(--cy-light);color:#04140F;transform:translateY(-2px);box-shadow:var(--glow)}
.btn-cy:active{transform:translateY(0)}
.btn-outline-cy{background:rgba(33,230,193,.07);border-color:rgba(33,230,193,.45);color:var(--cy-light)}
.btn-outline-cy:hover,.btn-outline-cy:focus{background:rgba(33,230,193,.14);border-color:var(--cy);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(33,230,193,.2)}
.btn-outline-cy:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:0;color:var(--t2);padding:12px 4px;min-height:44px}
.btn-ghost:hover{color:var(--cy);background:transparent}
.btn-ghost span{border-bottom:1px solid rgba(33,230,193,.5);padding-bottom:2px}
.btn-gold{background:linear-gradient(140deg,#F2B33D,#D08F1C);color:#1B1200;box-shadow:0 8px 24px rgba(242,179,61,.22)}
.btn-gold:hover{transform:translateY(-2px);color:#1B1200;box-shadow:0 0 0 1px rgba(242,179,61,.45),0 10px 28px rgba(242,179,61,.28)}
.btn-sm{padding:11px 18px;min-height:42px;font-size:14px;border-radius:12px}
/* ========== 徽章/标签 ========== */
.badge-cat,.badge-hot,.badge-gold{
  display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px;
  font-size:12px;font-weight:600;line-height:1;border-radius:var(--r-pill);
  letter-spacing:.02em;white-space:nowrap;
}
.badge-cat{background:rgba(33,230,193,.14);border:1px solid rgba(33,230,193,.45);color:var(--cy-light)}
.badge-hot{background:rgba(255,90,71,.14);border:1px solid rgba(255,90,71,.45);color:#FF8B7C}
.badge-gold{background:rgba(242,179,61,.14);border:1px solid rgba(242,179,61,.45);color:#F7C96B}
/* ========== 头部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(8,13,22,.8);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{background:rgba(6,10,18,.92);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.site-header.is-stuck::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.55),transparent);
}
.read-progress{position:absolute;left:0;top:0;height:2px;width:0;background:linear-gradient(90deg,var(--cy-deep),var(--cy));box-shadow:0 0 10px rgba(33,230,193,.8);z-index:4;transition:width .12s linear}
.nav-row{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s var(--ease)}
.site-header.is-stuck .nav-row{height:58px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-weight:800;flex:0 0 auto}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--cy),var(--cy-deep));color:#04140F;
  font-size:17px;font-weight:900;box-shadow:0 6px 18px rgba(33,230,193,.28);
}
.brand-text{font-size:19px;letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--t3);letter-spacing:.16em;text-transform:uppercase;display:block;line-height:1;margin-top:2px}
.channel-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  border-radius:10px;color:var(--t2);font-size:15px;font-weight:500;
}
.channel-nav a:hover{color:var(--t1);background:rgba(255,255,255,.05)}
.channel-nav a.active{color:var(--t1);font-weight:700}
.channel-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--cy);box-shadow:0 0 10px rgba(33,230,193,.85);
}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--t2);
  font-size:17px;cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--cy);border-color:rgba(33,230,193,.45);background:rgba(33,230,193,.08);transform:translateY(-1px)}
.hamburger{display:none}
.trend-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.015)}
.trend-inner{display:flex;align-items:center;gap:14px;height:42px;font-size:13px;color:var(--t3);overflow:hidden}
.trend-label{display:inline-flex;align-items:center;gap:6px;color:var(--t2);flex:0 0 auto;font-weight:600}
.trend-label i{color:var(--red)}
.trend-list{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.trend-list::-webkit-scrollbar{display:none}
.trend-list a{
  flex:0 0 auto;color:var(--t2);padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:13px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.trend-list a:hover{color:var(--cy-light);border-color:rgba(33,230,193,.4);background:rgba(33,230,193,.08)}
.trend-list a em{font-style:normal;color:var(--red);margin-left:4px;font-size:12px}
.search-panel{max-height:0;overflow:hidden;border-top:0 solid var(--line);transition:max-height .3s var(--ease),border-top-width .3s var(--ease)}
.search-panel.open{max-height:120px;border-top-width:1px}
.search-inner{display:flex;gap:12px;padding:16px 0}
.search-inner input{
  flex:1;height:48px;border-radius:14px;padding:0 18px;font-size:15px;
  background:var(--glass);border:1px solid var(--line-2);color:var(--t1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-inner input::placeholder{color:var(--t3)}
.search-inner input:focus{outline:none;border-color:var(--cy);background:rgba(33,230,193,.06);box-shadow:0 0 0 3px rgba(33,230,193,.16)}
/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.68);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:1050}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,352px);z-index:1060;
  background:linear-gradient(180deg,#0A1220,#060A12);
  border-left:1px solid var(--line-2);padding:24px;overflow-y:auto;
  transform:translateX(102%);transition:transform .32s var(--ease);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;color:var(--t2);font-size:16px;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--cy-light)}
.drawer-nav a.active{font-weight:700}
.drawer-nav a i{font-size:14px;color:var(--t3)}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.drawer-tags a{font-size:13px;padding:7px 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line-2);color:var(--t2)}
.drawer-tags a:hover{color:var(--cy-light);border-color:rgba(33,230,193,.4)}
/* ========== HERO ========== */
.hero{position:relative;overflow:hidden;min-height:78vh;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;filter:blur(2px) saturate(1.08);transform:scale(1.03)}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(6,10,18,.94) 0%,rgba(6,10,18,.86) 38%,rgba(6,10,18,.66) 72%,rgba(6,10,18,.78) 100%);
}
.hero-waves{position:absolute;left:0;right:0;bottom:0;height:220px;opacity:.07;pointer-events:none;z-index:1}
.hero-waves svg{width:100%;height:100%}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:150px;background:linear-gradient(180deg,transparent,rgba(6,10,18,.96));z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%;padding:104px 0 96px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.35);color:var(--cy-light);font-size:13px;font-weight:600;margin-bottom:20px}
.hero-badge i{font-size:13px}
.hero h1{font-size:clamp(26px,4.2vw,44px);font-weight:800;line-height:1.25;color:#fff;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--cy);text-shadow:0 0 24px rgba(33,230,193,.35)}
.hero-lead{font-size:16.5px;line-height:1.85;color:var(--t2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 32px;padding-top:26px;border-top:1px solid var(--line)}
.stat{min-width:118px}
.stat-num{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--cy);line-height:1.2;letter-spacing:-.02em}
.stat-num i{font-style:normal;font-size:.6em;color:var(--cy-light);margin-left:2px}
.stat-lab{display:block;font-size:13px;color:var(--t3);margin-top:2px}
.hero-side{display:grid;gap:16px}
.hero-panel{
  background:var(--glass);border:1px solid var(--line-2);border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--sh-1),var(--sh-in);padding:24px;
}
.hero-panel h3{font-size:17px;font-weight:700;color:var(--t1);margin-bottom:6px}
.hero-panel p{font-size:13.5px;color:var(--t2);line-height:1.7}
.hero-panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-rows{display:grid;gap:12px;margin-top:16px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--t2)}
.panel-row strong{color:var(--t1);font-weight:600}
.panel-row b{color:var(--gold);font-weight:700}
.mini-bar{height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;flex:1;margin:0 10px}
.mini-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--cy-deep),var(--cy));box-shadow:0 0 12px rgba(33,230,193,.6)}
.hero-thumb{aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-2);position:relative;background:linear-gradient(140deg,rgba(33,230,193,.18),rgba(16,26,44,.9))}
.hero-thumb img{width:100%;height:100%;object-fit:cover}
/* ========== 通用板块 ========== */
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,rgba(10,18,32,.72),rgba(6,10,18,0))}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head-l{max-width:680px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--cy);margin-bottom:12px}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--cy);box-shadow:0 0 10px rgba(33,230,193,.8)}
.sec-head h2{font-size:clamp(20px,2.6vw,30px);font-weight:700;line-height:1.35;color:#fff;margin-bottom:10px}
.sec-head p{font-size:15px;color:var(--t2);line-height:1.8}
/* ========== 磁贴区 ========== */
.tile-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(150px,auto);gap:20px}
.tile{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  padding:24px;border-radius:var(--r-lg);border:1px solid var(--line-2);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--sh-1),var(--sh-in);overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.tile:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.42);box-shadow:0 24px 52px rgba(0,0,0,.55),0 0 0 1px rgba(33,230,193,.25),var(--sh-in)}
.tile-a{grid-column:1/4;grid-row:1/3}
.tile-b{grid-column:4/7;grid-row:1/2}
.tile-c{grid-column:4/7;grid-row:2/3}
.tile-d{grid-column:1/3;grid-row:3/4}
.tile-e{grid-column:3/5;grid-row:3/4}
.tile-f{grid-column:5/7;grid-row:3/4}
.tile-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.32);color:var(--cy);
}
.tile-gold .tile-ico{background:rgba(242,179,61,.14);border-color:rgba(242,179,61,.4);color:var(--gold)}
.tile-red .tile-ico{background:rgba(255,90,71,.14);border-color:rgba(255,90,71,.4);color:#FF8B7C}
.tile h3{font-size:18px;font-weight:700;color:#fff;line-height:1.4}
.tile-a h3{font-size:clamp(20px,2.2vw,25px)}
.tile p{font-size:14px;color:var(--t2);line-height:1.75;max-width:520px}
.tile-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--cy-light);margin-top:2px}
.tile-more i{transition:transform .22s var(--ease)}
.tile:hover .tile-more i{transform:translateX(4px)}
.tile-bg{position:absolute;right:-28px;top:-28px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(33,230,193,.18),transparent 68%);pointer-events:none}
.tile-gold .tile-bg{background:radial-gradient(circle,rgba(242,179,61,.18),transparent 68%)}
.tile-cover{position:absolute;inset:0;z-index:-1;opacity:.24}
.tile-cover img{width:100%;height:100%;object-fit:cover}
.tile-a .tile-cover{opacity:.32}
/* ========== 最新信息 ========== */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tab{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--t2);background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);transition:all .2s var(--ease);
}
.tab:hover{color:var(--cy-light);border-color:rgba(33,230,193,.4)}
.tab.active{background:rgba(33,230,193,.14);border-color:rgba(33,230,193,.5);color:var(--cy-light)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line-2);border-radius:var(--r-md);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--sh-1),var(--sh-in);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.4);box-shadow:0 26px 54px rgba(0,0,0,.56),0 0 0 1px rgba(33,230,193,.22),var(--sh-in)}
.news-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,rgba(33,230,193,.2),rgba(16,26,44,.95))}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb .badge-cat{position:absolute;left:12px;top:12px;z-index:2}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.news-title{font-size:17px;font-weight:700;line-height:1.5}
.news-title a{
  color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-title a{color:var(--cy-light)}
.news-excerpt{font-size:14px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--t3)}
.meta-cat{color:var(--cy)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--t3)}
.news-grid>.news-card:first-child{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.news-grid>.news-card:first-child .news-thumb{aspect-ratio:auto;height:100%;min-height:240px}
.news-grid>.news-card:first-child .news-body{padding:30px;justify-content:center}
.news-grid>.news-card:first-child .news-title{font-size:clamp(19px,2vw,24px)}
.news-grid>.news-card:first-child .news-excerpt{font-size:15px;-webkit-line-clamp:3}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:70px 24px;border-radius:var(--r-lg);border:1px dashed var(--line-2);
  background:rgba(255,255,255,.03);text-align:center;
}
.empty-state i{font-size:38px;color:var(--t3)}
.empty-state p{color:var(--t2);font-size:15px}
/* ========== 权益预览 ========== */
.perk-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.perk{
  position:relative;display:flex;flex-direction:column;gap:14px;padding:28px;
  border-radius:var(--r-lg);border:1px solid rgba(242,179,61,.22);
  background:linear-gradient(158deg,rgba(242,179,61,.12),rgba(255,255,255,.03) 46%,rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:0 20px 46px rgba(0,0,0,.5),inset 0 1px 0 rgba(242,179,61,.22);
  overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.perk:hover{transform:translateY(-4px);border-color:rgba(242,179,61,.5);box-shadow:0 28px 58px rgba(0,0,0,.6),inset 0 1px 0 rgba(242,179,61,.32)}
.perk:nth-child(1){grid-column:span 6}
.perk:nth-child(2){grid-column:span 3}
.perk:nth-child(3){grid-column:span 3}
.perk:nth-child(4){grid-column:span 12;flex-direction:row;align-items:center;justify-content:space-between;gap:28px}
.perk-no{
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.perk h3{font-size:19px;font-weight:700;color:#fff;line-height:1.4}
.perk h3 span{color:var(--gold)}
.perk p{font-size:14px;color:var(--t2);line-height:1.78}
.perk-corner{
  position:absolute;right:16px;top:16px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;
  background:rgba(242,179,61,.16);border:1px solid rgba(242,179,61,.42);color:#F7C96B;
}
.perk-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:rgba(242,179,61,.14);border:1px solid rgba(242,179,61,.35);color:var(--gold);
}
.perk-list{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--t2)}
.perk-list li{display:inline-flex;align-items:center;gap:7px}
.perk-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(242,179,61,.8)}
/* ========== 进度 / 时间轴 ========== */
.timeline{position:relative;padding-left:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.timeline::before{
  content:"";position:absolute;left:2%;right:2%;top:19px;height:2px;
  background:linear-gradient(90deg,var(--cy),rgba(33,230,193,.35),rgba(255,255,255,.08));
  border-radius:2px;
}
.ms{position:relative;padding-top:52px}
.ms-dot{
  position:absolute;left:0;top:8px;width:22px;height:22px;border-radius:50%;
  background:var(--base-1);border:2px solid rgba(255,255,255,.16);
  display:grid;place-items:center;z-index:2;
}
.ms-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--t3)}
.ms.done .ms-dot{border-color:var(--cy);box-shadow:0 0 0 4px rgba(33,230,193,.12),0 0 16px rgba(33,230,193,.5)}
.ms.done .ms-dot::after{background:var(--cy);box-shadow:0 0 10px rgba(33,230,193,.9)}
.ms.now .ms-dot{border-color:var(--gold);box-shadow:0 0 0 4px rgba(242,179,61,.12),0 0 16px rgba(242,179,61,.5)}
.ms.now .ms-dot::after{background:var(--gold);box-shadow:0 0 10px rgba(242,179,61,.9)}
.ms-time{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--t3);margin-bottom:6px}
.ms.done .ms-time{color:var(--cy)}
.ms.now .ms-time{color:var(--gold)}
.ms h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:8px}
.ms p{font-size:13.5px;color:var(--t2);line-height:1.75}
.ms-bar{height:7px;border-radius:7px;background:rgba(255,255,255,.07);overflow:hidden;margin-top:14px}
.ms-bar i{display:block;height:100%;border-radius:7px;background:linear-gradient(90deg,var(--cy-deep),var(--cy));box-shadow:0 0 12px rgba(33,230,193,.55)}
.ms.now .ms-bar i{background:linear-gradient(90deg,#C98F1B,var(--gold));box-shadow:0 0 12px rgba(242,179,61,.55)}
/* ========== 用户声音 ========== */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.voice{
  display:flex;flex-direction:column;gap:16px;padding:26px;border-radius:var(--r-md);
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line-2);box-shadow:var(--sh-1),var(--sh-in);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.voice:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.voice-quote{font-size:14.5px;color:var(--t1);line-height:1.85}
.voice-user{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);margin-top:auto}
.voice-avatar{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.32);color:var(--cy);
  font-weight:800;font-size:15px;flex:0 0 auto;
}
.voice-user strong{display:block;font-size:14px;color:var(--t1);font-weight:700}
.voice-user span{font-size:12.5px;color:var(--t3)}
.stars{display:flex;gap:3px;color:var(--gold);font-size:13px}
/* ========== FAQ ========== */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:48px;align-items:start}
.faq-aside h2{font-size:clamp(20px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.35;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--t2);line-height:1.85;margin-bottom:22px}
.faq-contact{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line-2);box-shadow:var(--sh-in);
}
.faq-contact span{font-size:13px;color:var(--t3)}
.faq-contact strong{font-size:15px;color:var(--cy-light);font-weight:700}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none}
.accordion-item{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-2)!important;border-radius:var(--r-md)!important;
  margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.accordion-item:hover{border-color:rgba(33,230,193,.35)!important}
.accordion-button{
  min-height:60px;padding:16px 22px 16px 24px;background:transparent;color:var(--t1);
  font-size:16px;font-weight:700;line-height:1.5;box-shadow:none!important;
  display:flex;align-items:center;gap:14px;
}
.accordion-button::after{
  display:none;
}
.accordion-button .acc-ico{
  margin-left:auto;width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  display:grid;place-items:center;font-size:14px;color:var(--t3);
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
  transition:transform .28s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.accordion-button:not(.collapsed){color:#fff;background:rgba(33,230,193,.05)}
.accordion-button:not(.collapsed) .acc-ico{transform:rotate(135deg);color:var(--cy);border-color:rgba(33,230,193,.45)}
.accordion-button:focus-visible{outline:2px solid var(--cy);outline-offset:-2px}
.accordion-body{
  padding:2px 24px 22px 24px;font-size:14.5px;color:var(--t2);line-height:1.85;
  border-left:3px solid var(--cy);
}
/* ========== CTA 带 ========== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(33,230,193,.28);
  background:
    linear-gradient(100deg,rgba(33,230,193,.14),rgba(16,26,44,.9) 46%,rgba(10,18,32,.92)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:0 26px 60px rgba(0,0,0,.55),var(--sh-in);
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,10,18,.75),rgba(6,10,18,.55));
  pointer-events:none;
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(19px,2.3vw,27px);font-weight:700;color:#fff;line-height:1.4;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--t2);max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* ========== 页脚 ========== */
.site-footer{
  position:relative;margin-top:24px;padding:72px 0 0;
  background:linear-gradient(180deg,rgba(6,10,18,0),rgba(10,18,32,.9) 32%,#060A12 100%);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.42),transparent);
}
.footer-waves{position:absolute;left:0;right:0;top:0;height:120px;opacity:.06;pointer-events:none;overflow:hidden}
.footer-waves svg{width:100%;height:100%}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.85;max-width:380px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--t2);display:inline-flex;align-items:center;min-height:30px}
.footer-col a:hover{color:var(--cy-light)}
.footer-col li span{font-size:14px;color:var(--t3)}
.footer-bottom{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--cy-light)}
/* ========== 回到顶部 ========== */
.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:14px;z-index:1040;
  display:grid;place-items:center;font-size:17px;cursor:pointer;
  background:rgba(255,255,255,.07);border:1px solid var(--line-2);color:var(--t2);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{color:var(--cy);border-color:rgba(33,230,193,.5)}
/* ========== 响应式 ========== */
@media(max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-side{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tile-grid{grid-auto-rows:minmax(140px,auto)}
  .perk:nth-child(1){grid-column:span 12}
  .perk:nth-child(2),.perk:nth-child(3){grid-column:span 6}
  .perk:nth-child(4){grid-column:span 12}
}
@media(max-width:991px){
  .channel-nav{display:none}
  .hamburger{display:grid}
  .nav-tools .btn{display:none}
  .trend-bar{display:none}
  .section{padding:62px 0}
  .tile-grid{grid-template-columns:repeat(2,1fr)}
  .tile-a,.tile-b,.tile-c,.tile-d,.tile-e,.tile-f{grid-column:auto;grid-row:auto}
  .tile-a{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid>.news-card:first-child{grid-template-columns:1fr}
  .news-grid>.news-card:first-child .news-thumb{min-height:0;aspect-ratio:16/9}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px 22px}
  .timeline::before{display:none}
  .voice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .hero-inner{padding:74px 0 72px}
}
@media(max-width:575px){
  body{font-size:15.5px}
  .hero{min-height:60vh}
  .hero-inner{padding:56px 0 58px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:16px 22px}
  .hero-side{grid-template-columns:1fr}
  .section{padding:46px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .tile-grid{grid-template-columns:1fr}
  .tile-a{grid-column:auto}
  .news-grid{grid-template-columns:1fr}
  .perk:nth-child(1),.perk:nth-child(2),.perk:nth-child(3),.perk:nth-child(4){grid-column:span 12}
  .perk:nth-child(4){flex-direction:column;align-items:flex-start}
  .timeline{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:flex-start}
  .to-top{right:14px;bottom:16px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .btn:hover,.tile:hover,.news-card:hover,.perk:hover,.voice:hover{transform:none!important}
  .news-card:hover .news-thumb img{transform:none!important}
}

/* roulang page: category1 */
:root{
  --base-0:#060A12;
  --base-1:#0A1220;
  --base-2:#101A2C;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.12);
  --cyan:#21E6C1;
  --cyan-deep:#0FA98F;
  --cyan-soft:#7FF3DE;
  --vermilion:#FF5A47;
  --gold:#F2B33D;
  --text:#E8F1FF;
  --text-2:#9DAFC9;
  --text-3:#6B7B93;
  --r-sm:10px;
  --r-card:18px;
  --r-lg:26px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 12px 28px rgba(0,0,0,.32);
  --inset:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 0 1px rgba(33,230,193,.5), 0 8px 28px rgba(33,230,193,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:var(--base-0);
  --bs-body-color:var(--text);
  --bs-primary:var(--cyan);
  --bs-border-color:var(--line-strong);
  --bs-link-color:var(--cyan-soft);
  --bs-link-hover-color:var(--cyan);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--base-0) 0%,var(--base-1) 55%,var(--base-0) 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan-soft);text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
a:hover{color:var(--cyan)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.3;margin:0 0 14px;color:#fff}
h1{font-size:clamp(26px,4.2vw,44px);line-height:1.25}
h2{font-size:clamp(20px,2.6vw,30px);font-weight:700;line-height:1.35}
h3{font-size:clamp(18px,2vw,22px);font-weight:700}
p{margin:0 0 16px;color:var(--text-2)}
::selection{background:rgba(33,230,193,.32);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;padding-inline:24px;position:relative;z-index:1}
@media (max-width:575px){.container{padding-inline:16px}}
@media (min-width:1440px){.container{max-width:1320px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部吸顶导航 ============ */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:1200;background:linear-gradient(90deg,var(--cyan),var(--gold));box-shadow:0 0 12px rgba(33,230,193,.6)}
.site-header{
  position:sticky;top:0;z-index:1100;
  background:rgba(6,10,18,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,18,32,.86);
  border-bottom-color:rgba(33,230,193,.28);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.header-row{
  display:flex;align-items:center;gap:22px;
  height:74px;
  transition:height .28s var(--ease);
}
.site-header.is-scrolled .header-row{height:58px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#04120F;
  background:linear-gradient(140deg,var(--cyan-soft),var(--cyan-deep));
  box-shadow:var(--glow);
  transition:transform .24s var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px)}
.brand-text{display:block;font-weight:800;font-size:17px;letter-spacing:.01em;line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--text-3);letter-spacing:.16em;text-transform:uppercase}
.channel-nav{display:flex;align-items:center;gap:6px;margin-left:6px;flex:1 1 auto;min-width:0}
.channel-nav a{
  position:relative;
  padding:9px 12px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;font-weight:600;white-space:nowrap;
}
.channel-nav a:hover{color:#fff;background:var(--glass)}
.channel-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:#fff}
.channel-nav a.active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(33,230,193,.8)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:var(--glass);color:var(--text);display:grid;place-items:center;
  transition:all .24s var(--ease);cursor:pointer;
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(33,230,193,.5);transform:translateY(-2px)}
.hot-tags{display:flex;gap:8px}
.hot-pill{
  padding:6px 12px;border-radius:999px;font-size:12.5px;
  color:var(--vermilion);border:1px solid rgba(255,90,71,.4);background:rgba(255,90,71,.1);
  white-space:nowrap;transition:all .24s var(--ease);
}
.hot-pill:hover{color:#fff;background:rgba(255,90,71,.24)}
.btn{
  border-radius:14px;font-weight:700;font-size:15px;
  padding:12px 24px;min-height:46px;border:1px solid transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-sm{padding:9px 18px;min-height:42px;font-size:14px;border-radius:12px}
.btn-primary,.btn-primary:focus{
  background:linear-gradient(140deg,var(--cyan),var(--cyan-deep));
  color:#04120F;border-color:transparent;box-shadow:var(--glow);
}
.btn-primary:hover,.btn-primary:active{
  background:linear-gradient(140deg,var(--cyan-soft),var(--cyan));
  color:#04120F;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(33,230,193,.6),0 14px 32px rgba(33,230,193,.34);
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--glass);color:var(--cyan);border-color:rgba(33,230,193,.45);
  backdrop-filter:blur(14px);
}
.btn-ghost:hover{background:rgba(33,230,193,.14);color:#fff;border-color:var(--cyan);transform:translateY(-2px)}
.btn-quiet{background:transparent;color:var(--text-2);border:none;padding-inline:4px;position:relative}
.btn-quiet::after{content:"";position:absolute;left:4px;right:4px;bottom:8px;height:1px;background:currentColor;opacity:.6}
.btn-quiet:hover{color:var(--cyan)}
.btn:disabled,.btn.disabled{opacity:.4;box-shadow:none;transform:none;pointer-events:none}
.menu-btn{display:none}
.search-bar{
  max-height:0;overflow:hidden;border-top:1px solid transparent;
  transition:max-height .3s var(--ease),border-color .3s var(--ease);
}
.search-bar.is-open{max-height:92px;border-top-color:var(--line)}
.search-bar .inner{display:flex;gap:12px;padding:14px 0 18px}
.form-control{
  background:var(--glass);border:1px solid var(--line-strong);color:var(--text);
  border-radius:12px;height:46px;font-size:15px;padding:0 16px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:rgba(255,255,255,.09);border-color:var(--cyan);color:#fff;
  box-shadow:0 0 0 3px rgba(33,230,193,.18);outline:none;
}
.trend-bar{border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.trend-bar .inner{display:flex;align-items:center;gap:20px;height:40px;overflow-x:auto;scrollbar-width:none}
.trend-bar .inner::-webkit-scrollbar{display:none}
.trend-bar .label{color:var(--cyan);font-weight:700;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.trend-bar a{color:var(--text-3);white-space:nowrap}
.trend-bar a:hover{color:var(--cyan-soft)}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.7);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:1150}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);
  background:linear-gradient(180deg,var(--base-1),var(--base-0));
  border-left:1px solid var(--line-strong);
  transform:translateX(105%);transition:transform .34s var(--ease);
  z-index:1160;display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;margin-bottom:24px}
.mobile-drawer .drawer-nav a{
  padding:15px 4px;border-bottom:1px solid var(--line);color:var(--text-2);font-weight:600;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-drawer .drawer-nav a.active{color:var(--cyan)}
.mobile-drawer .drawer-nav a.active::before{content:"";width:3px;height:18px;background:var(--cyan);border-radius:2px;margin-right:10px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}

/* ============ 分类页头横幅 ============ */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;filter:blur(2px) saturate(1.05);transform:scale(1.05)}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,.72),rgba(6,10,18,.86) 55%,rgba(6,10,18,.96))}
.cat-hero-inner{position:relative;padding:34px 0 46px;max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--cyan-soft);font-weight:600}
.cat-hero h1{margin-bottom:16px}
.cat-hero p.lead{font-size:17px;max-width:720px;color:var(--text-2);margin-bottom:22px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.35);color:var(--cyan-soft);
}
.tag.gold{background:rgba(242,179,61,.12);border-color:rgba(242,179,61,.4);color:var(--gold)}
.tag.red{background:rgba(255,90,71,.12);border-color:rgba(255,90,71,.38);color:var(--vermilion)}

/* ============ 通用板块 ============ */
.section{padding:76px 0}
.section.tight{padding:52px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--cyan);letter-spacing:.08em;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);border-radius:2px}
.section-head p{font-size:16px;margin:0}
.glass-card{
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-card);
  backdrop-filter:blur(18px);box-shadow:var(--shadow-soft),var(--inset);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.38);box-shadow:var(--shadow),var(--inset)}

/* ============ 交替图文流 ============ */
.alt-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
  padding:44px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--line)}
.alt-row.reverse{grid-template-columns:.95fr 1.05fr}
.alt-row.reverse .alt-media{order:-1}
.alt-index{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--gold);
  letter-spacing:.08em;margin-bottom:12px;
}
.alt-index span.digit{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(242,179,61,.14);border:1px solid rgba(242,179,61,.42);color:var(--gold);font-size:13px;
}
.alt-body h2{margin-bottom:14px}
.alt-body p{font-size:16px;margin-bottom:14px}
.point-list{list-style:none;padding:0;margin:18px 0 22px}
.point-list li{position:relative;padding:8px 0 8px 26px;color:var(--text);font-size:15.5px;border-bottom:1px dashed var(--line)}
.point-list li:last-child{border-bottom:none}
.point-list li::before{
  content:"";position:absolute;left:4px;top:17px;width:8px;height:8px;border-radius:3px;
  background:var(--cyan);box-shadow:0 0 10px rgba(33,230,193,.7);
}
.alt-media{position:relative}
.media-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,var(--base-2),var(--base-1));
  box-shadow:var(--shadow),var(--inset);
}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.alt-media:hover .media-frame img{transform:scale(1.03)}
.media-frame figcaption{
  position:absolute;left:14px;bottom:12px;font-size:12.5px;color:var(--text-2);
  padding:5px 11px;border-radius:999px;background:rgba(6,10,18,.7);border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);
}
.alt-media .corner{
  position:absolute;right:-12px;top:-12px;width:76px;height:76px;border-radius:20px;
  background:linear-gradient(140deg,rgba(33,230,193,.22),rgba(33,230,193,0));
  border:1px solid rgba(33,230,193,.35);z-index:-1;
}

/* 指标条 */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);
  background:var(--glass);backdrop-filter:blur(18px);box-shadow:var(--shadow-soft),var(--inset);
}
.metric-strip .metric{padding:26px 22px;border-right:1px solid var(--line)}
.metric-strip .metric:last-child{border-right:none}
.metric .value{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--cyan);line-height:1.1}
.metric .value.gold{color:var(--gold)}
.metric .label{font-size:14px;color:var(--text-3);margin-top:8px}

/* ============ FAQ ============ */
.accordion-item{
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;backdrop-filter:blur(18px);
  transition:border-color .26s var(--ease);
}
.accordion-item:hover{border-color:rgba(33,230,193,.32)}
.accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:16.5px;
  min-height:58px;padding:16px 22px;box-shadow:none;gap:14px;
  border-left:3px solid transparent;transition:all .26s var(--ease);
}
.accordion-button:not(.collapsed){
  background:rgba(33,230,193,.08);color:#fff;border-left-color:var(--cyan);box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--cyan);outline-offset:-3px}
.accordion-button::after{
  content:"";width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--text-2);border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);background-image:none;transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--cyan)}
.accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:15.6px}
.accordion-body p:last-child{margin-bottom:0}

/* ============ CTA 条 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 40px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(33,230,193,.14),rgba(242,179,61,.08) 60%,rgba(255,255,255,.04));
  border:1px solid rgba(33,230,193,.32);
  box-shadow:var(--shadow),var(--inset);
}
.cta-band h2{margin-bottom:8px;font-size:clamp(20px,2.4vw,28px)}
.cta-band p{margin:0;color:var(--text-2);max-width:620px;font-size:15.6px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ============ 频道互链 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.channel-card{padding:26px 22px;display:flex;flex-direction:column;gap:12px}
.channel-card .ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.34);color:var(--cyan);
}
.channel-card h3{font-size:18px;margin:0}
.channel-card p{font-size:14.6px;margin:0;flex:1 1 auto}
.channel-card .go{font-size:14px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.channel-card:hover .go i{transform:translateX(4px)}
.channel-card .go i{transition:transform .24s var(--ease)}
.channel-card.current{border-color:rgba(33,230,193,.5);background:rgba(33,230,193,.08)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:40px;padding:72px 0 30px;
  background:linear-gradient(180deg,rgba(10,18,32,.4),rgba(6,10,18,.96));
  border-top:1px solid var(--line);
}
.footer-waves{position:absolute;left:0;right:0;top:-46px;height:80px;opacity:.28;pointer-events:none}
.footer-waves svg{width:100%;height:100%}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.6px;color:var(--text-3);max-width:420px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{color:var(--text-2);font-size:14.6px}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.6px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--cyan)}

/* 回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;z-index:1090;cursor:pointer;
  background:rgba(16,26,44,.82);border:1px solid var(--line-strong);color:var(--text);
  backdrop-filter:blur(12px);box-shadow:var(--shadow-soft);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--cyan);border-color:rgba(33,230,193,.5);transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .alt-row{gap:38px}
}
@media (max-width:991px){
  .channel-nav{display:none}
  .menu-btn{display:grid}
  .hot-tags{display:none}
  .header-row{height:66px;gap:14px}
  .section{padding:60px 0}
  .alt-row,.alt-row.reverse{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .alt-row.reverse .alt-media{order:0}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric-strip .metric:nth-child(2){border-right:none}
  .metric-strip .metric:nth-child(1),.metric-strip .metric:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .trend-bar{display:none}
}
@media (max-width:575px){
  body{font-size:16px}
  .section{padding:44px 0}
  .section.tight{padding:34px 0}
  .header-cta{display:none}
  .brand-sub{display:none}
  .cat-hero-inner{padding:24px 0 34px}
  .cat-hero p.lead{font-size:16px}
  .metric-strip{grid-template-columns:1fr}
  .metric-strip .metric{border-right:none;border-bottom:1px solid var(--line)}
  .metric-strip .metric:last-child{border-bottom:none}
  .channel-grid{grid-template-columns:1fr}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .accordion-button{font-size:15.6px;padding:14px 16px}
  .accordion-body{padding:2px 16px 18px}
  .to-top{right:14px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .glass-card:hover,.btn:hover,.to-top:hover{transform:none !important}
}

/* roulang page: article */
:root{
  --base-0:#060A12;
  --base-1:#0A1220;
  --base-2:#101A2C;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.12);
  --cyan:#21E6C1;
  --cyan-deep:#0FA98F;
  --cyan-soft:#7FF3DE;
  --cinnabar:#FF5A47;
  --gold:#F2B33D;
  --text:#E8F1FF;
  --text-2:#9DAFC9;
  --text-3:#6B7B93;
  --line:rgba(255,255,255,.08);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:26px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-hi:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 0 1px rgba(33,230,193,.5),0 8px 28px rgba(33,230,193,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:#060A12;
  --bs-body-color:#E8F1FF;
  --bs-primary:#21E6C1;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-link-color:#21E6C1;
  --bs-link-hover-color:#7FF3DE;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,#060A12 0%,#0A1220 42%,#060A12 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(circle at 50% 0,#000,transparent 72%);
  mask-image:radial-gradient(circle at 50% 0,#000,transparent 72%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1em}
::selection{background:rgba(33,230,193,.32);color:#fff}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:575.98px){.container{padding:0 16px}}

/* ---------- 按钮体系 ---------- */
.btn{
  --bs-btn-padding-x:1.5rem;
  --bs-btn-padding-y:.7rem;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:46px;
  padding:.7rem 1.5rem;
  border-radius:14px;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn:disabled,.btn.disabled{opacity:.4;box-shadow:none;pointer-events:none}
.btn-primary{
  background:linear-gradient(180deg,var(--cyan),var(--cyan-deep));
  color:#04120F;
  box-shadow:0 0 0 1px rgba(33,230,193,.35),0 10px 26px rgba(33,230,193,.22),var(--sh-hi);
}
.btn-primary:hover{background:linear-gradient(180deg,var(--cyan-soft),var(--cyan));color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(33,230,193,.6),0 14px 34px rgba(33,230,193,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline-cyan{
  background:var(--glass);
  color:var(--cyan);
  border-color:rgba(33,230,193,.5);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-hi);
}
.btn-outline-cyan:hover{background:rgba(33,230,193,.12);color:var(--cyan-soft);border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 10px 26px rgba(33,230,193,.2)}
.btn-outline-cyan:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  color:var(--text-2);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
  border-color:transparent;
  padding-left:.4rem;
  padding-right:.4rem;
}
.btn-ghost:hover{color:var(--cyan)}
.btn-nav{min-height:42px;padding:.55rem 1.15rem;font-size:14px;border-radius:12px}

/* ---------- 吸顶导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg,rgba(6,10,18,.94),rgba(6,10,18,.72));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,13,24,.84);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom-color:rgba(33,230,193,.28);
  box-shadow:0 1px 0 rgba(33,230,193,.12),0 14px 32px rgba(0,0,0,.45);
}
.progress-track{position:absolute;left:0;right:0;top:0;height:2px;z-index:6;background:transparent}
.progress-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan-deep),var(--cyan),var(--cyan-soft));box-shadow:0 0 12px rgba(33,230,193,.6);transition:width .12s linear}
.nav-top{padding:14px 0;transition:padding .28s var(--ease)}
.site-header.is-scrolled .nav-top{padding:9px 0}
.nav-inner{display:flex;align-items:center;gap:26px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;color:#04120F;
  background:linear-gradient(150deg,var(--cyan-soft),var(--cyan) 55%,var(--cyan-deep));
  box-shadow:0 0 0 1px rgba(33,230,193,.45),0 8px 20px rgba(33,230,193,.28);
}
.brand-meta{display:flex;flex-direction:column;line-height:1.15}
.brand-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.16em;color:var(--text-3);text-transform:lowercase}
.channel-nav{display:flex;align-items:center;gap:22px;flex:1 1 auto;min-width:0}
.channel-nav a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.channel-nav a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-deep));
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.channel-nav a:hover{color:var(--text)}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:var(--cyan)}
.channel-nav a.active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(33,230,193,.6)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);
  cursor:pointer;transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(33,230,193,.5);background:rgba(33,230,193,.1)}
.icon-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.hot-tags{display:flex;align-items:center;gap:8px}
.hot-tag{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  white-space:nowrap;
}
.hot-tag:hover{color:var(--cyan);border-color:rgba(33,230,193,.45);background:rgba(33,230,193,.1)}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--stroke);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text)}
.hamburger:hover span{background:var(--cyan)}
.search-panel{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);border-top:1px solid transparent}
.search-panel.open{max-height:130px;border-top-color:var(--line)}
.search-form{display:flex;align-items:center;gap:12px;padding:16px 0}
.search-form i{color:var(--text-3)}
.search-form input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 16px;
  background:var(--glass);border:1px solid var(--stroke);border-radius:12px;
  color:var(--text);font-size:15px;outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(33,230,193,.16)}
.trend-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.trend-inner{display:flex;align-items:center;gap:16px;padding:8px 0}
.trend-label{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--cyan);font-weight:700;flex:0 0 auto}
.trend-scroll{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none;font-size:13px;color:var(--text-3)}
.trend-scroll::-webkit-scrollbar{display:none}
.trend-scroll a{white-space:nowrap;color:var(--text-3)}
.trend-scroll a:hover{color:var(--cyan)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:linear-gradient(180deg,#0A1220,#060A12);
  border-left:1px solid var(--stroke);
  transform:translateX(105%);transition:transform .34s var(--ease);
  z-index:1060;display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-body{padding:18px 20px 30px;overflow-y:auto}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin:16px 0 8px}
.drawer-body a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:50px;padding:0 4px;font-size:15px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-body a.drawer-link:hover{color:var(--cyan)}
.drawer-body a.drawer-link i{font-size:12px;color:var(--text-3)}
.drawer-cta{margin-top:22px}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--cyan)}
.crumbs span.sep{color:rgba(255,255,255,.22)}
.crumbs .current{color:var(--cyan);font-weight:600}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:34px 0 38px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,18,32,.86),rgba(6,10,18,.94)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 300px at 12% 0,rgba(33,230,193,.13),transparent 68%);
}
.article-hero .container{position:relative;z-index:1}
.article-channel{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:var(--cyan);padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.38);
  margin-bottom:16px;
}
.article-hero h1{
  font-size:clamp(24px,3.6vw,40px);
  font-weight:800;
  line-height:1.28;
  margin:0 0 18px;
  max-width:960px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:13.5px;color:var(--text-3)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--cyan-deep);font-size:12.5px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2)}

/* ---------- 主体布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  padding-top:46px;
  padding-bottom:72px;
}
@media (min-width:992px){
  .article-layout{grid-template-columns:minmax(0,1fr) 312px;gap:44px}
}
.article-cover{
  margin:0 0 32px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:var(--sh-card);
  background:linear-gradient(135deg,#101A2C,#0A1220);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文排版 ---------- */
.article-body{max-width:820px;font-size:17px;line-height:1.85;color:rgba(232,241,255,.88)}
.article-body p{margin:0 0 22px}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;line-height:1.4;
  margin:46px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--cyan-deep));
  box-shadow:0 0 12px rgba(33,230,193,.5);
}
.article-body h3{font-size:19px;font-weight:700;line-height:1.5;margin:34px 0 14px;color:var(--text)}
.article-body h4{font-size:17px;font-weight:700;margin:26px 0 12px;color:var(--text)}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--cyan-soft)}
.article-body strong{color:var(--text);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-left:3px solid var(--cyan);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);box-shadow:var(--sh-hi);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:26px;margin-bottom:12px}
.article-body ul>li::before{
  content:"";position:absolute;left:5px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--cyan);transform:rotate(45deg);box-shadow:0 0 10px rgba(33,230,193,.45);
}
.article-body ol{counter-reset:li}
.article-body ol>li{counter-increment:li}
.article-body ol>li::before{
  content:counter(li);
  position:absolute;left:0;top:.34em;
  width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--cyan);
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.4);
  font-variant-numeric:tabular-nums;
}
.article-body img{border-radius:var(--r-md);margin:26px 0;width:100%;box-shadow:var(--sh-card);border:1px solid var(--stroke)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:none;height:1px;background:var(--line);margin:38px 0}
.article-body code{
  background:#0D1626;border:1px solid var(--stroke);color:var(--cyan-soft);
  padding:2px 7px;border-radius:6px;font-size:.9em;
}
.article-body pre{
  background:#080D18;border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:18px 20px;overflow:auto;margin:26px 0;
}
.article-body pre code{background:none;border:none;padding:0;color:#C9D8EE}
.article-body table{width:100%;border-collapse:collapse;margin:26px 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,.05);color:var(--text);font-weight:700}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 28px;text-align:center;
  background:var(--glass);border:1px solid var(--stroke);
  border-radius:var(--r-lg);box-shadow:var(--sh-card),var(--sh-hi);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--cyan);
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.35);
}
.empty-state h2{font-size:21px;font-weight:700;margin:0 0 12px}
.empty-state p{color:var(--text-2);max-width:440px;margin:0 auto 24px;font-size:15px}

/* ---------- 标签与操作 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.article-tags .tag-label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  font-size:13px;font-weight:600;color:var(--cyan);
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(33,230,193,.08);border:1px solid rgba(33,230,193,.32);
}
.tag:hover{background:rgba(33,230,193,.18);color:var(--cyan-soft)}
.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;position:relative}
.copied-tip{
  font-size:13px;color:var(--cyan);opacity:0;transform:translateY(4px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.copied-tip.show{opacity:1;transform:translateY(0)}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:44px}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-item{
  display:flex;flex-direction:column;gap:8px;
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--sh-hi);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.post-nav-item span{font-size:12px;letter-spacing:.1em;color:var(--text-3)}
.post-nav-item strong{font-size:15.5px;font-weight:700;color:var(--text);line-height:1.6}
.post-nav-item.next{text-align:right}
.post-nav-item:hover{transform:translateY(-2px);border-color:rgba(33,230,193,.4);background:rgba(33,230,193,.06)}
.post-nav-item:hover strong{color:var(--cyan)}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px}
@media (min-width:1200px){
  .article-side{position:sticky;top:118px;align-self:start}
}
.side-card{
  padding:22px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--stroke);
  box-shadow:var(--sh-card),var(--sh-hi);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.side-card h3{font-size:15px;font-weight:700;margin:0 0 16px;display:flex;align-items:center;gap:9px}
.side-card h3::before{content:"";width:3px;height:15px;border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--cyan-deep))}
.rank-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.rank-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--line)}
.rank-list li:last-child{border-bottom:none;padding-bottom:0}
.rank-no{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--text-2);background:rgba(255,255,255,.06);border:1px solid var(--stroke);
}
.rank-list li:nth-child(1) .rank-no{color:var(--gold);border-color:rgba(242,179,61,.42);background:rgba(242,179,61,.12)}
.rank-list li:nth-child(2) .rank-no{color:var(--cyan);border-color:rgba(33,230,193,.42);background:rgba(33,230,193,.12)}
.rank-list a{font-size:14.5px;line-height:1.65;color:var(--text-2)}
.rank-list a:hover{color:var(--cyan)}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.side-links li{border-bottom:1px solid var(--line)}
.side-links li:last-child{border-bottom:none}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;font-size:14.5px;color:var(--text-2);
}
.side-links a i{font-size:12px;color:var(--text-3)}
.side-links a:hover{color:var(--cyan)}
.side-links a:hover i{color:var(--cyan)}
.side-cta{
  background:linear-gradient(150deg,rgba(33,230,193,.14),rgba(16,26,44,.9));
  border-color:rgba(33,230,193,.32);
}
.badge-gold{
  display:inline-block;font-size:12px;font-weight:700;
  color:var(--gold);padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(242,179,61,.12);border:1px solid rgba(242,179,61,.42);
  margin-bottom:14px;
}
.side-cta p{font-size:14px;color:var(--text-2);margin:0 0 18px;line-height:1.75}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px}
.section-head h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;margin:0}
.link-more{font-size:14px;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--cyan-soft);gap:10px}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:576px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--sh-card),var(--sh-hi);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.42);box-shadow:0 24px 48px rgba(0,0,0,.55),0 0 0 1px rgba(33,230,193,.22)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#101A2C,#0A1220)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-badge{
  position:absolute;left:12px;top:12px;
  font-size:12px;font-weight:700;color:var(--cyan);
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(6,10,18,.72);border:1px solid rgba(33,230,193,.45);
  backdrop-filter:blur(8px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.55;margin:0 0 10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-body h3{color:var(--cyan)}
.news-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 16px;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);padding-top:14px;border-top:1px solid var(--line)}

/* ---------- CTA 带 ---------- */
.cta-band{
  padding:44px 0;
  background:linear-gradient(120deg,rgba(33,230,193,.12),rgba(10,18,32,.92) 42%,rgba(10,18,32,.92));
  border-top:1px solid rgba(33,230,193,.24);
  border-bottom:1px solid var(--line);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{font-size:clamp(19px,2.4vw,26px);font-weight:700;margin:0 0 10px}
.cta-inner p{color:var(--text-2);font-size:15px;margin:0;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:26px;
  width:48px;height:48px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid var(--stroke);color:var(--cyan);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),border-color .3s var(--ease);
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(33,230,193,.55);box-shadow:0 0 0 1px rgba(33,230,193,.4),0 10px 26px rgba(0,0,0,.5)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,#080E1A,#060A12);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  overflow:hidden;
}
.footer-waves{position:absolute;top:-6px;left:0;right:0;height:120px;opacity:.28;pointer-events:none}
.footer-waves svg{width:100%;height:100%}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:380px;margin:0}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 16px;color:var(--text)}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .channel-nav{display:none}
  .hot-tags{display:none}
  .hamburger{display:flex}
}
@media (max-width:991.98px){
  .article-hero{padding:26px 0 30px}
  .article-layout{padding-top:34px;padding-bottom:56px}
  .article-body{font-size:16px}
  .related-section{padding-bottom:60px}
}
@media (max-width:767.98px){
  .trend-bar{display:none}
  .article-cover{margin-bottom:24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .to-top{right:16px;bottom:18px;width:44px;height:44px}
}
@media (max-width:575.98px){
  .brand-sub{display:none}
  .post-nav-item.next{text-align:left}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .meta-row{gap:8px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.news-card:hover,.post-nav-item:hover{transform:none !important}
  .site-header.is-scrolled{backdrop-filter:none;-webkit-backdrop-filter:none}
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root{
  --base-0:#060A12;
  --base-1:#0A1220;
  --base-2:#101A2C;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);
  --cyan:#21E6C1;
  --cyan-deep:#0FA98F;
  --cyan-light:#7FF3DE;
  --red:#FF5A47;
  --gold:#F2B33D;
  --t1:#E8F1FF;
  --t2:#9DAFC9;
  --t3:#6B7B93;
  --r-sm:10px;
  --r-md:18px;
  --r-lg:26px;
  --sh-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --sh-soft:0 10px 26px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;

  --bs-body-bg:#060A12;
  --bs-body-color:#E8F1FF;
  --bs-primary:#21E6C1;
  --bs-primary-rgb:33,230,193;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#7FF3DE;
  --bs-link-hover-color:#21E6C1;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-radius:14px;
}

/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  min-height:100%;
  color:var(--t1);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:0;
  background:linear-gradient(180deg,#060A12 0%,#0A1220 42%,#080E1A 70%,#060A12 100%);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.75;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:68px 68px;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--cyan-light);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--cyan);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

/* ========== 容器与版心 ========== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){
  .container{padding-left:24px;padding-right:24px;}
}
@media (min-width:1200px){
  .container{padding-left:32px;padding-right:32px;}
}
@media (min-width:1440px){
  :root{--container:1320px;}
}
main{position:relative;z-index:1;}
section{position:relative;z-index:1;}

/* ========== Bootstrap 默认项重绘 ========== */
.btn{border-radius:14px;font-weight:600;letter-spacing:0;}
.card{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-md);color:var(--t1);box-shadow:var(--sh-card);}
.navbar{background:transparent!important;border:0;}
.dropdown-menu{background:rgba(10,18,32,.96);border:1px solid var(--glass-line);border-radius:var(--r-md);backdrop-filter:blur(18px);box-shadow:var(--sh-card);}
.dropdown-item{color:var(--t2);border-radius:10px;}
.dropdown-item:hover,.dropdown-item:focus{background:rgba(33,230,193,.1);color:var(--cyan-light);}
.breadcrumb{background:transparent;margin:0;padding:0;}
.breadcrumb-item+.breadcrumb-item::before{color:var(--t3);content:"/";}
.breadcrumb-item a{color:var(--t2);}
.breadcrumb-item a:hover{color:var(--cyan);}
.breadcrumb-item.active{color:var(--cyan-light);}
.pagination{gap:8px;}
.page-link{background:transparent;border:1px solid var(--line);color:var(--t2);border-radius:10px;min-width:44px;height:44px;display:grid;place-items:center;transition:all .22s var(--ease);}
.page-link:hover{background:rgba(33,230,193,.1);color:var(--cyan-light);border-color:rgba(33,230,193,.4);}
.page-item.active .page-link{background:var(--cyan);color:#04140F;border-color:var(--cyan);}
.badge{font-weight:600;letter-spacing:.02em;border-radius:999px;padding:.38em .72em;font-size:12px;}
.form-control,.form-select{
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--t1);
  height:46px;
  border-radius:12px;
  backdrop-filter:blur(18px);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-control::placeholder{color:var(--t3);}
.form-control:focus,.form-select:focus{
  background:rgba(255,255,255,.08);
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(33,230,193,.16);
  color:var(--t1);
}
.list-group-item{background:var(--glass);border-color:var(--line);color:var(--t2);}
.table{color:var(--t2);border-color:var(--line);}
.table>tbody>tr:nth-of-type(odd)>*{background:rgba(255,255,255,.03);color:var(--t1);}
.table>thead th{color:var(--t3);font-weight:600;border-color:var(--line);}
.nav-tabs{border-bottom:1px solid var(--line);}
.nav-tabs .nav-link{color:var(--t2);border:0;border-radius:10px 10px 0 0;padding:12px 18px;}
.nav-tabs .nav-link.active{background:rgba(33,230,193,.12);color:var(--cyan-light);border:0;}

/* ========== 按钮体系 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:14px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#21E6C1 0%,#7FF3DE 100%);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(33,230,193,.5),0 8px 28px rgba(33,230,193,.25);
}
.btn-primary:hover,.btn-primary:focus{
  color:#04140F;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(33,230,193,.65),0 14px 34px rgba(33,230,193,.35);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(33,230,193,.5),0 6px 16px rgba(33,230,193,.22);}
.btn-outline{
  background:var(--glass);
  border-color:rgba(33,230,193,.45);
  color:var(--cyan-light);
  backdrop-filter:blur(18px);
}
.btn-outline:hover,.btn-outline:focus{
  background:rgba(33,230,193,.14);
  color:var(--cyan-light);
  border-color:var(--cyan);
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(33,230,193,.2);
}
.btn-ghost{
  background:transparent;
  border-color:transparent;
  color:var(--t1);
  padding:0 8px;
  height:40px;
  border-bottom:1px solid rgba(33,230,193,.5);
  border-radius:0;
}
.btn-ghost:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn:disabled,.btn.disabled{opacity:.4;box-shadow:none;transform:none;pointer-events:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--cyan);
  font-size:14px;
  font-weight:600;
  border-bottom:1px solid rgba(33,230,193,.35);
  padding-bottom:2px;
}
.link-arrow:hover{color:var(--cyan-light);border-bottom-color:var(--cyan-light);}
.link-arrow i{transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ========== 顶部吸顶导航 ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,10,18,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-stuck{
  background:rgba(8,14,24,.92);
  border-bottom-color:rgba(33,230,193,.3);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.header-top__inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:68px;
  transition:min-height .3s var(--ease);
}
.site-header.is-stuck .header-top__inner{min-height:54px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:18px;
  color:#04140F;
  background:linear-gradient(135deg,#21E6C1,#7FF3DE);
  box-shadow:0 8px 22px rgba(33,230,193,.3);
  transition:transform .24s var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px) rotate(-4deg);}
.brand-text{display:block;font-weight:800;font-size:17px;color:var(--t1);line-height:1.2;}
.brand-sub{display:block;font-size:11px;color:var(--t3);letter-spacing:.16em;text-transform:uppercase;line-height:1.4;}

.channel-nav{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto;}
.channel-nav a{
  position:relative;
  color:var(--t2);
  font-size:15px;
  padding:10px 12px;
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.channel-nav a:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.channel-nav a.active{color:var(--cyan);}
.channel-nav a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,#21E6C1,#7FF3DE);
  box-shadow:0 0 12px rgba(33,230,193,.75);
}

.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--t2);
  cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(33,230,193,.4);background:rgba(33,230,193,.1);}
.search-box{position:relative;display:flex;align-items:center;}
.search-form{
  width:0;
  opacity:0;
  pointer-events:none;
  margin-left:0;
  transition:width .3s var(--ease),opacity .25s var(--ease),margin-left .3s var(--ease);
}
.search-box.is-open .search-form{width:220px;opacity:1;pointer-events:auto;margin-left:8px;}
.search-form input{
  width:100%;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--t1);
  font-size:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-form input::placeholder{color:var(--t3);}
.search-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(33,230,193,.16);}

.hot-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--red);
  background:rgba(255,90,71,.12);
  border:1px solid rgba(255,90,71,.35);
  transition:all .22s var(--ease);
}
.hot-chip:hover{color:#fff;background:rgba(255,90,71,.24);transform:translateY(-1px);}
.hot-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red);box-shadow:0 0 8px var(--red);}

.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  cursor:pointer;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--t1);transition:all .24s var(--ease);}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg);}

.trend-bar{
  border-top:1px solid rgba(255,255,255,.05);
  overflow:hidden;
}
.trend-bar__inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:38px;
  overflow-x:auto;
  scrollbar-width:none;
  font-size:13px;
  color:var(--t3);
}
.trend-bar__inner::-webkit-scrollbar{display:none;}
.trend-bar__label{
  flex:0 0 auto;
  color:var(--cyan);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.trend-bar__item{
  flex:0 0 auto;
  color:var(--t3);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.trend-bar__item:hover{color:var(--cyan-light);}
.trend-bar__dot{width:3px;height:3px;border-radius:50%;background:var(--line);flex:0 0 auto;}

.read-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  transform-origin:0 50%;
  transform:scaleX(0);
  background:linear-gradient(90deg,#21E6C1,#7FF3DE);
  box-shadow:0 0 12px rgba(33,230,193,.8);
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(3,6,12,.68);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
  z-index:1050;
  border:0;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,360px);
  z-index:1060;
  padding:24px 20px 40px;
  background:rgba(10,18,32,.97);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--glass-line);
  transform:translateX(102%);
  transition:transform .34s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__title{font-size:12px;color:var(--t3);letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px;}
.drawer__nav{display:flex;flex-direction:column;margin-bottom:26px;}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;
  padding:0 4px;
  color:var(--t2);
  font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer__nav a:hover,.drawer__nav a.active{color:var(--cyan);}
.drawer__nav a.active::after{content:"当前";font-size:12px;color:var(--cyan);opacity:.8;}
.drawer__chips{display:flex;flex-wrap:wrap;gap:10px;}

/* ========== 页面头横幅 ========== */
.page-head{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:34px 0 40px;
  min-height:280px;
  display:flex;
  align-items:center;
}
.page-head__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  filter:blur(2px) saturate(1.05);
  transform:scale(1.04);
}
.page-head__mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,10,18,.72) 0%,rgba(6,10,18,.82) 45%,rgba(6,10,18,.95) 100%),
    radial-gradient(900px 380px at 12% 20%,rgba(33,230,193,.16),transparent 70%);
}
.page-head .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--cyan);}
.crumb span[aria-current]{color:var(--cyan-light);}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--cyan-light);
  background:rgba(33,230,193,.1);
  border:1px solid rgba(33,230,193,.32);
  margin-bottom:16px;
}
.kicker i{font-size:11px;}
.page-head h1{
  font-size:clamp(26px,4.2vw,42px);
  font-weight:800;
  line-height:1.25;
  max-width:20em;
  margin-bottom:14px;
}
.page-head h1 em{font-style:normal;color:var(--cyan);}
.page-head .lead{
  max-width:760px;
  font-size:16.5px;
  color:var(--t2);
  line-height:1.85;
  margin-bottom:22px;
}
.page-head__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 数字条 */
.stat-strip{
  position:relative;
  z-index:3;
  margin-top:-1px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,44,.72),rgba(10,18,32,.4));
}
.stat-strip__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
}
.stat-cell{
  background:rgba(8,14,24,.7);
  padding:20px 22px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.stat-cell b{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.2;
}
.stat-cell b small{font-size:13px;font-weight:600;color:var(--cyan);margin-left:4px;}
.stat-cell span{font-size:13px;color:var(--t3);}

/* ========== 通用板块 ========== */
.section{padding:74px 0;}
.section--tight{padding:56px 0;}
.section--dark{background:linear-gradient(180deg,rgba(16,26,44,.55),rgba(6,10,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:34px;max-width:820px;}
.section-head h2{
  font-size:clamp(20px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:12px;
}
.section-head p{color:var(--t2);font-size:15.5px;}

/* 筛选条 */
.filter-bar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:14px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  box-shadow:var(--sh-soft);
  margin-bottom:26px;
}
.filter-bar__label{font-size:13px;color:var(--t3);margin-right:6px;}
.filter-chip{
  height:38px;
  padding:0 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--t2);
  background:transparent;
  border:1px solid var(--line);
  cursor:pointer;
  transition:all .22s var(--ease);
}
.filter-chip:hover{color:var(--t1);border-color:rgba(33,230,193,.45);background:rgba(33,230,193,.08);}
.filter-chip.is-active{
  color:#04140F;
  background:linear-gradient(135deg,#21E6C1,#7FF3DE);
  border-color:transparent;
  box-shadow:0 0 0 1px rgba(33,230,193,.5),0 8px 22px rgba(33,230,193,.22);
}

/* ========== 不规则卡片矩阵 ========== */
.m-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:minmax(186px,auto);
  grid-auto-flow:dense;
  gap:20px;
}
.m-card{
  grid-column:span 4;
  display:flex;
  flex-direction:column;
  position:relative;
  overflow:hidden;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.m-card:hover{
  transform:translateY(-4px);
  border-color:rgba(33,230,193,.36);
  box-shadow:0 24px 52px rgba(0,0,0,.52),inset 0 1px 0 rgba(255,255,255,.1);
}
.m-card--xl{grid-column:span 8;grid-row:span 2;}
.m-card--lg{grid-column:span 6;}
.m-card--md{grid-column:span 4;}
.m-card--sm{grid-column:span 3;}
.m-card.is-hidden{display:none;}

.m-card__media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#101A2C,#0A1220);
  flex:0 0 auto;
}
.m-card__media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.m-card--xl .m-card__media{flex:1 1 auto;min-height:180px;}
.m-card--xl .m-card__media img{aspect-ratio:auto;height:100%;min-height:180px;}
.m-card--sm .m-card__media{display:none;}
.m-card:hover .m-card__media img{transform:scale(1.03);}
.m-card__badge{
  position:absolute;
  top:12px;left:12px;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:#04140F;
  background:linear-gradient(135deg,#21E6C1,#7FF3DE);
  box-shadow:0 6px 16px rgba(0,0,0,.35);
}
.m-card__badge--gold{background:linear-gradient(135deg,#F2B33D,#FFD98A);color:#241703;}
.m-card__badge--red{background:linear-gradient(135deg,#FF5A47,#FF9B8C);color:#2A0A04;}

.m-card__body{
  padding:18px 20px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.m-card__body h3{
  font-size:17.5px;
  font-weight:700;
  line-height:1.45;
  transition:color .24s var(--ease);
}
.m-card:hover .m-card__body h3{color:var(--cyan-light);}
.m-card--xl .m-card__body h3{font-size:clamp(19px,2.2vw,24px);}
.m-card__body p{
  color:var(--t2);
  font-size:14.6px;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.m-card--xl .m-card__body p{-webkit-line-clamp:3;}
.m-card__foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--t2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.tag--cyan{color:var(--cyan-light);background:rgba(33,230,193,.1);border-color:rgba(33,230,193,.3);}
.tag--gold{color:#F6CB79;background:rgba(242,179,61,.12);border-color:rgba(242,179,61,.32);}
.m-card__foot .link-arrow{margin-left:auto;}

/* ========== 口径说明（图文对照） ========== */
.method-block{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.method-list{margin-top:24px;display:flex;flex-direction:column;gap:16px;}
.method-item{
  display:flex;
  gap:14px;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.method-item:hover{border-color:rgba(33,230,193,.35);transform:translateX(3px);}
.method-item i{
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  color:var(--cyan);
  background:rgba(33,230,193,.12);
  border:1px solid rgba(33,230,193,.28);
  font-size:15px;
}
.method-item h3{font-size:16.5px;margin-bottom:4px;}
.method-item p{font-size:14.5px;color:var(--t2);line-height:1.75;}
.method-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--sh-card);
  background:linear-gradient(135deg,#101A2C,#0A1220);
}
.method-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.method-figure__cap{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px 20px;
  font-size:13.5px;
  color:var(--t2);
  background:linear-gradient(180deg,transparent,rgba(6,10,18,.92));
}

/* ========== 查看路径（编号横排） ========== */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.step-card{
  position:relative;
  padding:26px 24px 24px;
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(16,26,44,.85),rgba(10,18,32,.6));
  border:1px solid var(--glass-line);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35);}
.step-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,#21E6C1,transparent);
  opacity:.7;
}
.step-card__num{
  font-size:34px;
  font-weight:800;
  color:rgba(33,230,193,.28);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:12px;
  letter-spacing:-.03em;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.6px;color:var(--t2);line-height:1.78;}
.step-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.step-card li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--t2);
}
.step-card li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(33,230,193,.7);
}

/* ========== FAQ ========== */
.faq-acc .accordion-item{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(18px);
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--t1);
  font-weight:700;
  font-size:16.5px;
  padding:18px 22px;
  min-height:58px;
  border:0;
  border-left:3px solid transparent;
  box-shadow:none;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-acc .accordion-button:hover{background:rgba(255,255,255,.04);}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--cyan-light);
  background:rgba(33,230,193,.07);
  border-left-color:var(--cyan);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--cyan);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"+";
  width:26px;height:26px;
  display:grid;
  place-items:center;
  font-size:20px;
  font-weight:400;
  line-height:1;
  color:var(--cyan);
  transition:transform .26s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-body{
  padding:4px 22px 22px 25px;
  color:var(--t2);
  font-size:15.2px;
  line-height:1.85;
  border-left:3px solid rgba(33,230,193,.24);
}

/* ========== CTA 条 ========== */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:32px 34px;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(33,230,193,.13),rgba(16,26,44,.85) 46%,rgba(10,18,32,.9));
  border:1px solid rgba(33,230,193,.28);
  box-shadow:0 22px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(19px,2.2vw,26px);margin-bottom:8px;}
.cta-band p{color:var(--t2);font-size:15px;max-width:56ch;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ========== 频道互链 ========== */
.link-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.link-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:20px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.link-card:hover{
  transform:translateY(-3px);
  border-color:rgba(33,230,193,.38);
  box-shadow:0 18px 40px rgba(0,0,0,.42);
}
.link-card b{font-size:16.5px;color:var(--t1);}
.link-card span{font-size:13.6px;color:var(--t3);line-height:1.7;}
.link-card i{font-size:15px;color:var(--cyan);}

/* ========== 页脚 ========== */
.site-footer{
  position:relative;
  margin-top:20px;
  padding:64px 0 26px;
  background:linear-gradient(180deg,rgba(6,10,18,.4),rgba(6,10,18,.95));
  border-top:1px solid var(--line);
  z-index:1;
}
.footer-waves{
  position:absolute;
  top:-30px;left:0;right:0;
  height:120px;
  opacity:.22;
  pointer-events:none;
}
.footer-waves svg{width:100%;height:100%;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:34px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  margin-top:16px;
  color:var(--t2);
  font-size:14.2px;
  line-height:1.85;
  max-width:44ch;
}
.footer-col h4{
  font-size:14px;
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{color:var(--t2);font-size:14.2px;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  color:var(--t3);
  font-size:13.4px;
}
.footer-bottom a{color:var(--t2);}
.footer-bottom a:hover{color:var(--cyan);}
.site-footer .brand{margin-bottom:0;}

/* 回到顶部 */
.to-top{
  position:fixed;
  right:20px;
  bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  display:grid;
  place-items:center;
  color:var(--cyan);
  background:rgba(16,26,44,.85);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  box-shadow:0 12px 28px rgba(0,0,0,.45);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
  z-index:1040;
  cursor:pointer;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:#04140F;background:var(--cyan);}

/* ========== 响应式 ========== */
@media (max-width:1199.98px){
  .channel-nav a{padding:10px 9px;font-size:14.5px;}
  .hot-chip{display:none;}
  .m-card--sm{grid-column:span 4;}
  .link-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .channel-nav{display:none;}
  .hamburger{display:flex;}
  .trend-bar{display:none;}
  .search-box.is-open .search-form{width:170px;}
  .section{padding:58px 0;}
  .section--tight{padding:46px 0;}
  .m-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:auto;}
  .m-card,
  .m-card--xl,
  .m-card--lg,
  .m-card--md,
  .m-card--sm{grid-column:auto;grid-row:auto;}
  .m-card--xl .m-card__media img{aspect-ratio:16/9;height:auto;min-height:0;}
  .m-card--xl .m-card__media{flex:0 0 auto;min-height:0;}
  .method-block{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:1fr;}
  .stat-strip__grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .page-head{padding:26px 0 32px;min-height:auto;}
  .page-head h1{font-size:clamp(24px,6.4vw,30px);}
  .page-head .lead{font-size:15.4px;}
  .page-head__actions .btn{flex:1 1 100%;}
  .section{padding:44px 0;}
  .cta-band{padding:24px 20px;flex-direction:column;align-items:flex-start;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .m-grid{gap:16px;}
  .search-form{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .link-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .m-grid{grid-template-columns:1fr;}
  .stat-strip__grid{grid-template-columns:1fr 1fr;}
  .stat-cell{padding:16px;}
  .filter-bar{padding:12px;}
  .filter-chip{height:36px;padding:0 14px;font-size:13.4px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:14px;bottom:16px;}
}

/* ========== 无障碍与减弱动效 ========== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .m-card:hover,.link-card:hover,.step-card:hover,.method-item:hover{transform:none;}
  .m-card:hover .m-card__media img{transform:none;}
}

/* roulang page: category3 */
:root{
  --b0:#060A12;
  --b1:#0A1220;
  --b2:#101A2C;
  --cyan:#21E6C1;
  --cyan-d:#0FA98F;
  --cyan-l:#7FF3DE;
  --cin:#FF5A47;
  --gold:#F2B33D;
  --t1:#E8F1FF;
  --t2:#9DAFC9;
  --t3:#6B7B93;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --glass-b:rgba(255,255,255,.12);
  --r-s:10px;
  --r-m:18px;
  --r-l:26px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --sh-in:inset 0 1px 0 rgba(255,255,255,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:#060A12;
  --bs-body-color:#E8F1FF;
  --bs-primary:#21E6C1;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--t1);
  background:
    radial-gradient(1100px 620px at 84% -8%, rgba(33,230,193,.075), transparent 62%),
    radial-gradient(820px 480px at 6% 42%, rgba(255,90,71,.05), transparent 60%),
    linear-gradient(180deg,var(--b0) 0%,var(--b1) 52%,var(--b0) 100%);
  background-attachment:fixed;
  letter-spacing:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.9;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;text-underline-offset:4px;transition:color .22s var(--ease)}
a:hover{color:var(--cyan-l)}
button{font-family:inherit}
h1,h2,h3,h4{letter-spacing:-.01em;margin:0}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:991px){.container{padding-left:24px;padding-right:24px}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px}}

/* ---------- Bootstrap 组件重塑 ---------- */
.btn{
  border-radius:14px;
  font-weight:700;
  font-size:15px;
  padding:12px 24px;
  min-height:46px;
  border:1px solid transparent;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan) 0%,var(--cyan-d) 100%);
  color:#04231D;
  box-shadow:0 0 0 1px rgba(33,230,193,.5),0 8px 28px rgba(33,230,193,.25);
}
.btn-primary:hover,.btn-primary:focus{
  background:linear-gradient(135deg,var(--cyan-l) 0%,var(--cyan) 100%);
  color:#04231D;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(33,230,193,.65),0 14px 34px rgba(33,230,193,.34);
}
.btn-primary:active{transform:translateY(1px)}
.btn:focus-visible,input:focus-visible,button:focus-visible,a:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.btn:disabled,.btn.disabled{opacity:.4;box-shadow:none;transform:none;pointer-events:none}
.card{
  background:var(--glass);
  border:1px solid var(--glass-b);
  border-radius:var(--r-m);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh),var(--sh-in);
  color:var(--t1);
}
.navbar,.dropdown-menu,.accordion,.list-group,.table,.nav-tabs{
  --bs-navbar-color:var(--t1);
  --bs-accordion-bg:transparent;
  --bs-accordion-color:var(--t1);
  --bs-dropdown-bg:#0F1826;
  --bs-dropdown-link-color:var(--t1);
  --bs-list-group-bg:transparent;
  --bs-border-color:var(--line);
  border-color:var(--line);
  color:var(--t1);
}
.breadcrumb{background:transparent;padding:0;margin:0;font-size:14px}
.breadcrumb-item+.breadcrumb-item::before{color:var(--t3);content:"/"}

/* ---------- 按钮体系 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:14px;
  font-weight:700;font-size:15px;cursor:pointer;
  background:linear-gradient(135deg,var(--cyan) 0%,var(--cyan-d) 100%);
  color:#04231D;border:1px solid transparent;
  box-shadow:0 0 0 1px rgba(33,230,193,.5),0 8px 28px rgba(33,230,193,.25);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.btn-brand:hover{color:#04231D;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(33,230,193,.68),0 14px 34px rgba(33,230,193,.34)}
.btn-brand:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:14px;
  font-weight:700;font-size:15px;cursor:pointer;
  background:var(--glass);color:var(--cyan);
  border:1px solid rgba(33,230,193,.45);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-line:hover{color:var(--cyan-l);background:rgba(33,230,193,.12);border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 12px 30px rgba(33,230,193,.18)}
.btn-line:active{transform:translateY(1px)}
.btn-quiet{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 0;min-height:44px;background:none;border:0;cursor:pointer;
  color:var(--t2);font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(157,175,201,.4);
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.btn-quiet:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 徽章 / 标签 ---------- */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:rgba(33,230,193,.12);
  border:1px solid rgba(33,230,193,.36);
  color:var(--cyan-l);
  white-space:nowrap;
}
.badge-hot{background:rgba(255,90,71,.1);border-color:rgba(255,90,71,.4);color:#FFB1A5}
.badge-gold{background:rgba(242,179,61,.12);border-color:rgba(242,179,61,.42);color:#FFD894}
.badge-mute{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--t2)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg,rgba(6,10,18,.94),rgba(6,10,18,.6));
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck{
  background:rgba(8,13,22,.8);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:rgba(33,230,193,.24);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.read-progress{
  position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-l));
  box-shadow:0 0 10px rgba(33,230,193,.7);
  transition:width .12s linear;
}
.nav-top-inner{
  display:flex;align-items:center;gap:22px;
  padding-top:14px;padding-bottom:14px;
  transition:padding .3s var(--ease);
}
.site-header.is-stuck .nav-top-inner{padding-top:9px;padding-bottom:9px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{color:var(--cyan-l)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#04231D;
  background:linear-gradient(140deg,var(--cyan-l),var(--cyan-d));
  box-shadow:0 0 0 1px rgba(33,230,193,.42),0 8px 20px rgba(33,230,193,.22);
}
.brand-text{display:block;font-weight:800;font-size:17px;color:var(--t1);line-height:1.2}
.brand-sub{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--t3)}

.channel-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.channel-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:8px 13px;border-radius:10px;
  color:var(--t2);font-size:15px;font-weight:600;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.channel-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  border-radius:2px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
  box-shadow:0 0 8px rgba(33,230,193,.7);
}
.channel-nav a:hover{color:var(--t1);background:rgba(255,255,255,.05)}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:var(--t1)}
.channel-nav a.active::after{transform:scaleX(1)}

.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.hot-tags{display:flex;align-items:center;gap:8px}
.hot-tags a{
  padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,90,71,.09);
  border:1px solid rgba(255,90,71,.34);
  color:#FFB1A5;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.hot-tags a:hover{background:rgba(255,90,71,.2);color:#FFD9D2;transform:translateY(-1px)}
.icon-btn{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;cursor:pointer;
  background:var(--glass);border:1px solid var(--glass-b);color:var(--t1);
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.icon-btn:hover{background:rgba(33,230,193,.12);border-color:rgba(33,230,193,.45);color:var(--cyan-l)}
.nav-cta{padding:10px 20px;min-height:44px;font-size:14.5px}
.menu-btn{display:none}

.search-panel{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease),opacity .26s var(--ease);
  opacity:0;
}
.search-panel.is-open{max-height:120px;opacity:1}
.search-form{display:flex;gap:10px;padding:4px 0 16px}
.form-control-x{
  flex:1;height:46px;padding:0 16px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-b);
  color:var(--t1);font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.form-control-x::placeholder{color:var(--t3)}
.form-control-x:focus{
  outline:none;
  border-color:var(--cyan);
  background:rgba(33,230,193,.06);
  box-shadow:0 0 0 3px rgba(33,230,193,.16);
}

.trend-bar{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.trend-inner{
  display:flex;align-items:center;gap:18px;
  padding:7px 0;font-size:13px;color:var(--t3);
  overflow-x:auto;scrollbar-width:none;
}
.trend-inner::-webkit-scrollbar{display:none}
.trend-inner .trend-label{
  display:inline-flex;align-items:center;gap:6px;color:var(--gold);font-weight:700;white-space:nowrap;
}
.trend-inner a{color:var(--t2);white-space:nowrap;font-size:13px}
.trend-inner a:hover{color:var(--cyan)}
.trend-dot{width:5px;height:5px;border-radius:50%;background:var(--cin);flex:0 0 auto}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);
  opacity:0;visibility:hidden;z-index:1050;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  z-index:1060;
  background:linear-gradient(180deg,#0A1220,#070C16);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .34s var(--ease);
  padding:22px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--t3)}
.drawer-list li+li{border-top:1px solid var(--line)}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;color:var(--t1);font-weight:600;font-size:16px;
}
.drawer-list a:hover{color:var(--cyan)}
.drawer-list a.is-active{color:var(--cyan)}
.drawer-sub{margin-top:22px}
.drawer-sub .hot-tags{flex-wrap:wrap}
.drawer-search{margin-top:22px}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  filter:blur(2px) saturate(.9);
  transform:scale(1.04);
}
.page-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.72) 0%,rgba(6,10,18,.86) 62%,rgba(6,10,18,.96) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:78px;padding-bottom:44px}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--t3);margin-bottom:16px;
}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:rgba(255,255,255,.24)}
.crumb .now{color:var(--cyan-l);font-weight:600}
.page-hero h1{
  font-size:clamp(26px,4.2vw,44px);
  font-weight:800;line-height:1.25;
  margin-bottom:14px;
}
.page-hero .lead{
  max-width:760px;color:var(--t2);font-size:16.5px;line-height:1.8;margin-bottom:0;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;position:relative}
.section-tight{padding:64px 0}
.section-alt{background:linear-gradient(180deg,rgba(16,26,44,.55),rgba(10,18,32,.25));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);display:block}
.sec-head h2{font-size:clamp(20px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px}
.sec-head p{color:var(--t2);font-size:16px;margin:0}

/* ---------- 指标条 ---------- */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
}
.metric-cell{
  background:linear-gradient(180deg,rgba(16,26,44,.9),rgba(10,18,32,.9));
  padding:24px 22px;
}
.metric-cell .k{font-size:13.5px;color:var(--t3);margin-bottom:8px;display:block}
.metric-cell .v{
  font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--cyan);
  line-height:1.2;display:flex;align-items:baseline;gap:6px;
}
.metric-cell .v small{font-size:13px;font-weight:600;color:var(--t3)}
.metric-cell.gold .v{color:var(--gold)}

/* ---------- 要点卡 ---------- */
.point-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.point-card{
  padding:28px;border-radius:var(--r-l);
  background:var(--glass);
  border:1px solid var(--glass-b);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh),var(--sh-in);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.point-card:hover{transform:translateY(-3px);border-color:rgba(33,230,193,.34)}
.point-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.point-card p{color:var(--t2);font-size:15.5px;margin-bottom:14px}
.point-card .media-box{margin-bottom:18px}
.dot-list li{
  position:relative;padding-left:20px;
  color:var(--t2);font-size:15px;line-height:1.75;margin-bottom:8px;
}
.dot-list li:last-child{margin-bottom:0}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(33,230,193,.8);
}
.dot-list.gold li::before{background:var(--gold);box-shadow:0 0 8px rgba(242,179,61,.7)}

.media-box{
  border-radius:var(--r-m);
  overflow:hidden;
  background:linear-gradient(135deg,#152340,#0A1220);
  border:1px solid var(--line);
}
.media-box img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.point-card:hover .media-box img{transform:scale(1.03)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:0;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(33,230,193,.55),rgba(33,230,193,.16) 58%,rgba(255,255,255,.07));
}
.tl-item{position:relative;padding-left:60px;margin-bottom:22px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:0;top:22px;
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--b2);
  border:1px solid var(--line);
}
.tl-dot{
  width:12px;height:12px;border-radius:50%;
  background:var(--t3);
}
.tl-item.is-done .tl-node{border-color:rgba(33,230,193,.5)}
.tl-item.is-done .tl-dot{background:var(--cyan);box-shadow:0 0 12px rgba(33,230,193,.85)}
.tl-item.is-active .tl-node{
  border-color:rgba(242,179,61,.6);
  box-shadow:0 0 0 6px rgba(242,179,61,.09);
}
.tl-item.is-active .tl-dot{background:var(--gold);box-shadow:0 0 14px rgba(242,179,61,.9)}
.tl-item.is-todo .tl-node{opacity:.65}
.tl-card{
  padding:24px 26px;
  border-radius:var(--r-m);
  background:var(--glass);
  border:1px solid var(--glass-b);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh),var(--sh-in);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(33,230,193,.3)}
.tl-item.is-active .tl-card{border-color:rgba(242,179,61,.34)}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tl-time{font-size:13px;color:var(--t3)}
.tl-card h3{font-size:18.5px;font-weight:700;margin-bottom:10px}
.tl-card p{color:var(--t2);font-size:15.5px;margin-bottom:12px}
.tl-card p:last-child{margin-bottom:0}

/* ---------- 问答折叠 ---------- */
.qa-group{margin-bottom:34px}
.qa-group:last-child{margin-bottom:0}
.qa-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:17px;font-weight:700;margin-bottom:14px;color:var(--t1);
}
.qa-group-title span.ord{
  width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;font-size:13px;
  background:rgba(33,230,193,.14);
  border:1px solid rgba(33,230,193,.4);
  color:var(--cyan-l);
}
.qa-list{
  border-radius:var(--r-m);
  border:1px solid var(--glass-b);
  background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh),var(--sh-in);
  overflow:hidden;
}
.qa-item+.qa-item{border-top:1px solid var(--line)}
.qa-head{
  width:100%;min-height:58px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;
  background:none;border:0;cursor:pointer;
  color:var(--t1);font-size:16px;font-weight:600;text-align:left;
  position:relative;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.qa-head::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--cyan);transform:scaleY(0);transform-origin:top;
  transition:transform .28s var(--ease);
}
.qa-head:hover{background:rgba(255,255,255,.04);color:var(--cyan-l)}
.qa-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--t2);
  transition:transform .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.qa-item.is-open .qa-head::before{transform:scaleY(1)}
.qa-item.is-open .qa-head{color:var(--cyan-l)}
.qa-item.is-open .qa-icon{
  transform:rotate(135deg);
  color:var(--cyan);border-color:rgba(33,230,193,.5);background:rgba(33,230,193,.12);
}
.qa-body{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.qa-inner{padding:0 22px 20px;color:var(--t2);font-size:15.5px;border-left:3px solid transparent}
.qa-item.is-open .qa-inner{border-left-color:var(--cyan)}
.qa-inner p:last-child{margin-bottom:0}

/* ---------- 对比卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.compare-card{
  padding:26px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(16,26,44,.85),rgba(10,18,32,.85));
  border:1px solid var(--glass-b);
  box-shadow:var(--sh),var(--sh-in);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.compare-card:hover{transform:translateY(-3px);border-color:rgba(33,230,193,.32)}
.compare-card h3{font-size:18px;font-weight:700}
.compare-block{padding:14px 16px;border-radius:var(--r-s);background:rgba(255,90,71,.07);border:1px solid rgba(255,90,71,.24)}
.compare-block.good{background:rgba(33,230,193,.07);border-color:rgba(33,230,193,.26)}
.compare-block .cb-label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.08em;margin-bottom:6px;color:#FFB1A5}
.compare-block.good .cb-label{color:var(--cyan-l)}
.compare-block p{margin:0;font-size:14.5px;color:var(--t2);line-height:1.75}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  padding:30px 34px;
  border-radius:var(--r-l);
  background:linear-gradient(100deg,rgba(33,230,193,.13),rgba(16,26,44,.85) 46%,rgba(10,18,32,.9));
  border:1px solid rgba(33,230,193,.3);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 18px 44px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.1);
}
.cta-band h2{font-size:clamp(19px,2.4vw,26px);font-weight:800;margin-bottom:8px;line-height:1.35}
.cta-band p{color:var(--t2);margin:0;font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ---------- 频道互链 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-m);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--glass-b);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh),var(--sh-in);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.channel-card:hover{transform:translateY(-3px);border-color:rgba(33,230,193,.34)}
.channel-card .media-box{border-radius:0;border:0;border-bottom:1px solid var(--line)}
.channel-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.channel-card-body h3{font-size:17.5px;font-weight:700}
.channel-card-body p{color:var(--t2);font-size:15px;margin:0}
.channel-card-body .go{margin-top:auto;color:var(--cyan);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:7px}
.channel-card:hover .channel-card-body h3{color:var(--cyan-l)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:20px;
  padding:72px 0 0;
  background:linear-gradient(180deg,rgba(10,18,32,.6),rgba(6,10,18,.98));
  border-top:1px solid var(--line);
  overflow:hidden;
}
.footer-waves{position:absolute;top:-6px;left:0;right:0;height:120px;opacity:.16;pointer-events:none}
.footer-waves svg{width:100%;height:100%}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--t2);font-size:14.5px;line-height:1.8;max-width:380px;margin:0}
.footer-col h4{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a,.footer-col ul span{color:var(--t2);font-size:14.5px;transition:color .22s var(--ease)}
.footer-col ul a:hover{color:var(--cyan)}
.footer-bottom{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  color:var(--t3);font-size:13.5px;
}
.footer-bottom a{color:var(--t2)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:1040;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(16,26,44,.82);
  border:1px solid var(--glass-b);
  color:var(--t1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(33,230,193,.5);color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hot-tags{display:none}
  .point-grid{grid-template-columns:1fr}
}
@media (max-width:991px){
  .channel-nav{display:none}
  .menu-btn{display:grid}
  .nav-cta{display:none}
  .trend-bar{display:none}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .compare-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr 1fr}
  .metric-strip{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .page-hero{min-height:250px}
  .page-hero .container{padding-top:60px;padding-bottom:34px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-brand,.cta-actions .btn-line{width:100%}
  .tl-item{padding-left:52px}
  .timeline::before{left:15px}
  .tl-node{width:32px;height:32px;top:24px}
  .tl-dot{width:10px;height:10px}
  .tl-card{padding:20px}
  .qa-head{padding:14px 18px;font-size:15.5px}
  .qa-inner{padding:0 18px 18px}
}
@media (max-width:575px){
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .metric-strip{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .search-form{flex-direction:column}
  .search-form .btn-brand{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .point-card:hover,.tl-card:hover,.channel-card:hover,.compare-card:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --base-0:#060A12;
  --base-1:#0A1220;
  --base-2:#101A2C;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --glass-line:rgba(255,255,255,.12);
  --cyan:#21E6C1;
  --cyan-deep:#0FA98F;
  --cyan-soft:#7FF3DE;
  --cinnabar:#FF5A47;
  --gold:#F2B33D;
  --text:#E8F1FF;
  --text-2:#9DAFC9;
  --text-3:#6B7B93;
  --line:rgba(255,255,255,.08);
  --r-xs:10px;
  --r-card:18px;
  --r-lg:26px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 12px 28px rgba(0,0,0,.35);
  --glass-shadow:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 0 1px rgba(33,230,193,.5), 0 8px 28px rgba(33,230,193,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;

  --bs-body-bg:var(--base-0);
  --bs-body-color:var(--text);
  --bs-primary:var(--cyan);
  --bs-primary-rgb:33,230,193;
  --bs-border-color:var(--line);
  --bs-link-color:var(--cyan);
  --bs-link-hover-color:var(--cyan-soft);
  --bs-emphasis-color:var(--text);
  --bs-secondary-color:var(--text-2);
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(33,230,193,.07), transparent 60%),
    radial-gradient(900px 500px at 92% 6%, rgba(242,179,61,.05), transparent 62%),
    linear-gradient(180deg,var(--base-0) 0%, var(--base-1) 45%, var(--base-0) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.16;
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--cyan-soft)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1rem}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:16px;
  position:relative;
  z-index:2;
}
@media (min-width:768px){.container{padding-inline:24px}}
@media (min-width:1200px){.container{padding-inline:32px}}
@media (min-width:1440px){.container{max-width:1320px}}

.section{padding:56px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:992px){.section{padding:88px 0}}

.section-head{margin-bottom:28px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);
}
.section-head h2{font-size:clamp(20px,2.6vw,30px);line-height:1.35;margin-bottom:10px}
.section-head p{color:var(--text-2);max-width:720px;margin:0;font-size:15.5px}

/* ---------- 顶部阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan-deep),var(--cyan),var(--cyan-soft));
  z-index:1200;opacity:0;transition:opacity .3s var(--ease);
  box-shadow:0 0 12px rgba(33,230,193,.7);
}
.read-progress.on{opacity:1}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1100;
  background:linear-gradient(180deg, rgba(6,10,18,.92), rgba(6,10,18,.55));
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(10,18,32,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(33,230,193,.28);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.topbar-inner{
  display:flex;align-items:center;gap:18px;
  min-height:var(--nav-h);
  transition:min-height .28s var(--ease);
}
.site-header.scrolled .topbar-inner{min-height:56px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#04140f;
  background:linear-gradient(140deg,var(--cyan-soft),var(--cyan) 45%,var(--cyan-deep));
  box-shadow:0 8px 22px rgba(33,230,193,.32), inset 0 1px 0 rgba(255,255,255,.5);
  transition:transform .24s var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px)}
.brand-text{display:block;font-weight:800;font-size:17.5px;color:var(--text);letter-spacing:-.01em;line-height:1.2}
.brand-sub{display:block;font-size:11px;letter-spacing:.22em;color:var(--text-3);text-transform:uppercase}

.channel-nav{
  display:none;align-items:center;gap:4px;
  flex:1 1 auto;justify-content:center;
}
.channel-nav a{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color .22s var(--ease), background .22s var(--ease);
}
.channel-nav a:hover{color:var(--text);background:var(--glass)}
.channel-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--cyan-soft));
  transform:scaleX(0);transform-origin:center;
  transition:transform .26s var(--ease);
  box-shadow:0 0 12px rgba(33,230,193,.75);
}
.channel-nav a:hover::after{transform:scaleX(.6)}
.channel-nav a.active{color:var(--text);font-weight:700;background:rgba(33,230,193,.09)}
.channel-nav a.active::after{transform:scaleX(1)}

.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.hot-tags{display:none;gap:6px}
.hot-tag{
  font-size:12px;padding:5px 11px;border-radius:var(--r-pill);
  color:var(--cinnabar);border:1px solid rgba(255,90,71,.42);
  background:rgba(255,90,71,.1);white-space:nowrap;
  transition:background .22s var(--ease), transform .22s var(--ease);
}
.hot-tag:hover{background:rgba(255,90,71,.2);transform:translateY(-1px);color:#ffd8d2}

.icon-btn{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text-2);cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--text);border-color:rgba(33,230,193,.5);box-shadow:0 0 0 1px rgba(33,230,193,.25)}
.icon-btn:active{transform:translateY(1px)}

.btn{
  --btn-pad:12px 24px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:var(--btn-pad);
  min-height:46px;
  border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:0;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
  text-decoration:none;
}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn.disabled{opacity:.4;box-shadow:none;cursor:not-allowed}
.btn-primary{
  background:linear-gradient(140deg,var(--cyan-soft),var(--cyan) 42%,var(--cyan-deep));
  color:#04140f;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04140f;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(33,230,193,.6), 0 14px 34px rgba(33,230,193,.36);
}
.btn-outline-cyan{
  background:var(--glass);color:var(--cyan);border-color:rgba(33,230,193,.55);
  backdrop-filter:blur(12px);
}
.btn-outline-cyan:hover{
  color:var(--cyan-soft);transform:translateY(-2px);
  background:rgba(33,230,193,.12);
  box-shadow:0 0 0 1px rgba(33,230,193,.4), 0 12px 28px rgba(0,0,0,.4);
}
.btn-ghost{
  background:transparent;color:var(--text-2);padding-inline:6px;min-height:44px;
  border:none;text-underline-offset:6px;
}
.btn-ghost:hover{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(33,230,193,.6)}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14px;border-radius:12px}
.btn-danger-soft{background:var(--cinnabar);color:#210703;box-shadow:0 8px 24px rgba(255,90,71,.28)}
.btn-danger-soft:hover{color:#210703;transform:translateY(-2px)}
.btn-block{width:100%}

.trendbar{display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.trendbar-inner{display:flex;align-items:center;gap:14px;min-height:40px;overflow:hidden}
.trendbar .label{
  font-size:12px;color:var(--cyan);letter-spacing:.14em;
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
}
.trend-scroll{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none;font-size:13px;color:var(--text-3)}
.trend-scroll::-webkit-scrollbar{display:none}
.trend-scroll span{white-space:nowrap;transition:color .22s var(--ease)}
.trend-scroll span:hover{color:var(--text-2)}

.search-panel{
  position:absolute;top:calc(100% + 10px);right:16px;width:min(420px,calc(100vw - 32px));
  padding:12px;border-radius:var(--r-card);
  background:rgba(16,26,44,.94);
  border:1px solid var(--glass-line);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(18px);
  display:none;z-index:30;
}
.search-panel.open{display:block;animation:fadeDown .26s var(--ease)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.search-panel form{display:flex;gap:8px}
.form-control{
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text);
  height:46px;border-radius:12px;padding:0 14px;font-size:15px;width:100%;
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:rgba(255,255,255,.09);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(33,230,193,.18);
  color:var(--text);outline:none;
}
.form-hint{font-size:12.5px;color:var(--text-3);margin:8px 2px 0}
.form-error{font-size:12.5px;color:var(--cinnabar);margin:6px 2px 0;display:none}
.form-error.show{display:block}

.burger{display:grid}
@media (min-width:992px){
  .channel-nav{display:flex}
  .burger{display:none}
  .trendbar{display:block}
}
@media (min-width:1200px){
  .hot-tags{display:flex}
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,12,.72);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;z-index:1150;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:linear-gradient(180deg,var(--base-2),var(--base-1));
  border-left:1px solid var(--glass-line);
  transform:translateX(102%);transition:transform .34s var(--ease);
  z-index:1160;padding:22px 20px;overflow-y:auto;
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:16px;font-weight:800}
.drawer nav{display:flex;flex-direction:column;margin-bottom:22px}
.drawer nav a{
  padding:14px 4px;font-size:15.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;min-height:48px;
}
.drawer nav a.active{color:var(--cyan);font-weight:700}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}

/* ---------- Hero / 页头 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:300px;
  display:flex;align-items:flex-end;
  padding:44px 0 38px;
  border-bottom:1px solid var(--line);
}
.page-banner .banner-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  filter:blur(1.5px) saturate(1.05);
  transform:scale(1.04);
}
.page-banner .banner-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(6,10,18,.72) 0%, rgba(6,10,18,.78) 40%, var(--base-0) 100%),
    linear-gradient(90deg, rgba(10,18,32,.86), rgba(10,18,32,.5));
}
.page-banner .banner-deco{
  position:absolute;inset:0;opacity:.08;pointer-events:none;
}
.page-banner .container{position:relative;z-index:3}

.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb-nav a{color:var(--text-2)}
.breadcrumb-nav a:hover{color:var(--cyan)}
.breadcrumb-nav .sep{color:var(--text-3);opacity:.6}
.breadcrumb-nav .current{color:var(--cyan)}

.page-banner h1{
  font-size:clamp(26px,4.2vw,44px);line-height:1.25;font-weight:800;
  max-width:900px;margin-bottom:14px;
}
.page-banner .lead{
  color:var(--text-2);font-size:16.5px;max-width:680px;margin:0 0 20px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;padding:7px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  backdrop-filter:blur(10px);
}
.chip i{color:var(--cyan);font-size:12px}
.chip.gold{border-color:rgba(242,179,61,.4);color:var(--gold);background:rgba(242,179,61,.08)}
.chip.gold i{color:var(--gold)}
.chip.red{border-color:rgba(255,90,71,.4);color:var(--cinnabar);background:rgba(255,90,71,.08)}
.chip.red i{color:var(--cinnabar)}

/* ---------- 主栅格 + sticky ---------- */
.content-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:992px){
  .content-grid{grid-template-columns:minmax(0,1fr) 292px;gap:40px}
}

.sticky-nav{
  display:none;
  position:sticky;top:calc(var(--nav-h) + 24px);
  padding:20px;border-radius:var(--r-lg);
  background:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
  border:1px solid var(--glass-line);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(18px);
}
@media (min-width:992px){.sticky-nav{display:block}}
.sticky-nav h3{font-size:13px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase;margin-bottom:14px;font-weight:700}
.sticky-nav ul{display:flex;flex-direction:column;gap:2px}
.sticky-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;font-size:14.5px;color:var(--text-2);
  border-left:2px solid transparent;
  transition:all .22s var(--ease);
}
.sticky-nav a:hover{background:var(--glass);color:var(--text);border-left-color:var(--cyan)}
.sticky-nav a.active{color:var(--cyan);background:rgba(33,230,193,.1);border-left-color:var(--cyan);font-weight:700}
.sticky-nav .mini-cta{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
}
.sticky-nav .mini-cta p{font-size:13.5px;color:var(--text-3);margin-bottom:12px;line-height:1.7}

/* ---------- 路径三块 ---------- */
.path-row{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media (min-width:768px){.path-row{grid-template-columns:repeat(3,1fr)}}
.path-item{
  position:relative;
  padding:22px 20px 20px;
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .26s var(--ease), border-color .26s var(--ease), box-shadow .26s var(--ease);
}
.path-item:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.42);box-shadow:var(--shadow)}
.path-num{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--gold);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:10px;
}
.path-item h3{font-size:18px;margin-bottom:8px}
.path-item p{color:var(--text-2);font-size:14.6px;margin:0}

/* ---------- 清单对照表 ---------- */
.table-card{
  border-radius:var(--r-lg);
  border:1px solid var(--glass-line);
  background:linear-gradient(170deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  box-shadow:var(--glass-shadow);
  overflow:hidden;
}
.table-card-head{
  padding:18px 22px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.table-card-head h3{font-size:17px}
.table-card-head span{font-size:13px;color:var(--text-3)}

.table-wrap{width:100%;overflow-x:auto}
.check-table{
  width:100%;border-collapse:collapse;
  --bs-table-bg:transparent;--bs-table-color:var(--text);
  font-variant-numeric:tabular-nums;
}
.check-table thead th{
  font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:700;
  text-align:left;padding:14px 18px;background:rgba(255,255,255,.035);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.check-table tbody tr{
  transition:background .22s var(--ease);
}
.check-table tbody tr:nth-child(odd){background:rgba(255,255,255,.022)}
.check-table tbody tr:hover{background:rgba(33,230,193,.07)}
.check-table th[scope="row"]{
  text-align:left;font-weight:800;color:var(--text);
  padding:18px;border-bottom:1px solid var(--line);
  min-height:56px;white-space:nowrap;
}
.check-table td{
  padding:18px;border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:15px;vertical-align:middle;
}
.check-table tbody tr:last-child td,
.check-table tbody tr:last-child th{border-bottom:none}
.check-table td strong{color:var(--cyan);font-weight:700}
.cell-tag{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(33,230,193,.4);background:rgba(33,230,193,.1);color:var(--cyan);
}
.cell-tag.gold{border-color:rgba(242,179,61,.4);background:rgba(242,179,61,.1);color:var(--gold)}
.cell-tag.red{border-color:rgba(255,90,71,.4);background:rgba(255,90,71,.1);color:var(--cinnabar)}

@media (max-width:767px){
  .check-table thead{display:none}
  .check-table, .check-table tbody, .check-table tr, .check-table th, .check-table td{display:block;width:100%}
  .check-table tbody tr{
    margin-bottom:14px;border:1px solid var(--glass-line);border-radius:var(--r-card);
    background:rgba(255,255,255,.04);overflow:hidden;
  }
  .check-table tbody tr:nth-child(odd){background:rgba(255,255,255,.04)}
  .check-table th[scope="row"]{
    padding:14px 16px;background:rgba(33,230,193,.1);border-bottom:1px solid var(--line);
    white-space:normal;color:var(--cyan);font-size:15px;
  }
  .check-table td{
    padding:12px 16px;display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:start;
    border-bottom:1px dashed var(--line);font-size:14.5px;
  }
  .check-table td::before{
    content:attr(data-label);color:var(--text-3);font-size:12.5px;
    padding-top:2px;
  }
}

/* ---------- 对比卡 ---------- */
.route-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:768px){.route-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.route-grid{grid-template-columns:repeat(3,1fr)}}
.route-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow-soft);
  transition:transform .26s var(--ease), border-color .26s var(--ease), box-shadow .26s var(--ease);
}
.route-card:hover{transform:translateY(-5px);border-color:rgba(33,230,193,.42);box-shadow:var(--shadow)}
.route-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#0d1a2c,#12314a)}
.route-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.route-card:hover .route-media img{transform:scale(1.04)}
.route-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,10,18,.15), rgba(6,10,18,.78));
}
.route-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(6,10,18,.7);border:1px solid rgba(33,230,193,.45);color:var(--cyan);
  backdrop-filter:blur(8px);
}
.route-badge.gold{border-color:rgba(242,179,61,.5);color:var(--gold)}
.route-badge.red{border-color:rgba(255,90,71,.5);color:var(--cinnabar)}
.route-body{padding:20px;display:flex;flex-direction:column;flex:1}
.route-body h3{font-size:18px;margin-bottom:10px}
.route-body p{font-size:14.6px;color:var(--text-2);margin-bottom:14px}
.route-spec{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.route-spec li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.route-spec li i{color:var(--cyan);margin-top:5px;font-size:11px}
.route-spec li b{color:var(--text);font-weight:700}
.route-body .btn{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--glass-line);
  background:var(--glass);
  overflow:hidden;
  transition:border-color .24s var(--ease), background .24s var(--ease);
}
.faq-item[open]{
  border-color:rgba(33,230,193,.45);
  background:rgba(33,230,193,.06);
  box-shadow:0 0 0 1px rgba(33,230,193,.18), 0 16px 34px rgba(0,0,0,.38);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:16px 20px;
  font-size:16px;font-weight:700;color:var(--text);
  border-left:3px solid transparent;
  transition:border-color .24s var(--ease), color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cyan-soft)}
.faq-item[open] summary{border-left-color:var(--cyan);color:var(--cyan)}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  transition:transform .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--cyan);border-color:rgba(33,230,193,.5)}
.faq-body{padding:0 20px 20px;border-left:3px solid var(--cyan)}
.faq-body p{color:var(--text-2);font-size:15px;margin:0}

/* ---------- CTA 条 ---------- */
.cta-band{
  border-radius:var(--r-lg);
  border:1px solid rgba(33,230,193,.3);
  background:
    radial-gradient(600px 200px at 8% 0%, rgba(33,230,193,.16), transparent 70%),
    linear-gradient(120deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow:var(--glass-shadow);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:18px;align-items:flex-start;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:30px 34px}
}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);margin-bottom:8px}
.cta-band p{color:var(--text-2);margin:0;font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;width:100%}
@media (min-width:768px){.cta-actions{width:auto;flex:0 0 auto}}
@media (max-width:575px){.cta-actions .btn{width:100%}}

/* ---------- 互链 ---------- */
.cross-links{
  display:grid;grid-template-columns:1fr;gap:14px;
}
@media (min-width:768px){.cross-links{grid-template-columns:repeat(3,1fr)}}
.cross-item{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .24s var(--ease), border-color .24s var(--ease);
}
.cross-item:hover{transform:translateY(-3px);border-color:rgba(33,230,193,.42)}
.cross-item i{color:var(--cyan);font-size:16px}
.cross-item b{display:block;font-size:15.5px;color:var(--text)}
.cross-item small{display:block;font-size:13px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,18,32,.6), rgba(6,10,18,.96));
  padding:56px 0 26px;
}
.footer-waves{position:absolute;top:-1px;left:0;width:100%;height:70px;opacity:.22;pointer-events:none}
.footer-waves svg{width:100%;height:100%}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:36px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px}}
.footer-brand p{color:var(--text-2);font-size:14.5px;margin:16px 0 0;max-width:400px}
.footer-col h4{
  font-size:14px;letter-spacing:.1em;color:var(--cyan);
  margin-bottom:16px;font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;flex-direction:column;gap:10px;
  font-size:13.5px;color:var(--text-3);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:18px;bottom:20px;z-index:1050;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(16,26,44,.82);border:1px solid var(--glass-line);
  color:var(--cyan);backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .28s var(--ease);cursor:pointer;
}
.to-top.on{opacity:1;visibility:visible;transform:none}
.to-top:hover{box-shadow:0 0 0 1px rgba(33,230,193,.5), 0 10px 26px rgba(0,0,0,.5)}

/* Bootstrap 局部覆盖 */
.badge{
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.4);color:var(--cyan);
}
.breadcrumb{background:transparent;padding:0;margin:0}
.card{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);color:var(--text)}
.accordion-item{background:transparent;border:none}
.alert{border-radius:var(--r-card);border:1px solid var(--glass-line);background:var(--glass);color:var(--text-2)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.route-card:hover,.path-item:hover,.cross-item:hover{transform:none}
}