/* roulang page: index */
:root{
  --bg-root:#060B12;
  --bg-band:#0B1524;
  --glass:rgba(16,28,42,.58);
  --glass-strong:rgba(10,18,30,.92);
  --primary:#35D6C0;
  --primary-rgb:53,214,192;
  --secondary:#3A7BFD;
  --accent:#FF9A3D;
  --text:#EAF2F8;
  --text-2:#A9B8C9;
  --text-3:#748699;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --danger:#FF6B6B;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-card-hover:0 14px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --ease:cubic-bezier(.22,.61,.36,1);

  --bs-body-bg:#060B12;
  --bs-body-color:#EAF2F8;
  --bs-primary:#35D6C0;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:14px;
  --bs-link-color:#35D6C0;
  --bs-link-hover-color:#6ee8d6;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-root);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:#6ee8d6;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;margin:0;line-height:1.35;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(53,214,192,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,11,18,.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:rgba(53,214,192,.28);
  box-shadow:0 1px 0 rgba(53,214,192,.18), 0 10px 30px rgba(0,0,0,.45);
}
.brand-bar{
  overflow:hidden;
  height:58px;
  transition:height .28s var(--ease),opacity .2s var(--ease);
  border-bottom:1px solid var(--line);
}
.site-header.is-compact .brand-bar{height:0;opacity:0;border-bottom-color:transparent;}
.brand-bar__inner{display:flex;align-items:center;gap:18px;height:58px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(53,214,192,.9),rgba(58,123,253,.85));
  display:flex;align-items:center;justify-content:center;
  color:#04140F;font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(53,214,192,.4), 0 6px 18px -6px rgba(53,214,192,.6);
}
.brand__text{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:.02em;}
.brand__text em{font-style:normal;color:var(--primary);}
.hotwords{
  flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:8px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;padding:4px 0;
}
.hotwords::-webkit-scrollbar{display:none;}
.hotwords__label{font-size:12px;color:var(--text-3);flex:0 0 auto;letter-spacing:.04em;}
.hotword{
  flex:0 0 auto;font-size:12.5px;padding:3px 10px;border-radius:var(--radius-badge);
  background:rgba(255,154,61,.14);color:var(--accent);border:1px solid rgba(255,154,61,.22);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.hotword:hover{background:rgba(53,214,192,.18);color:var(--primary);border-color:rgba(53,214,192,.45);}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:rgba(53,214,192,.65);box-shadow:0 0 0 4px rgba(53,214,192,.16);}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;width:150px;
}
.search-box input::placeholder{color:var(--text-3);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 18px;border:0;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  color:#04140F;
  background:linear-gradient(100deg,#35D6C0 0%,#3A7BFD 130%);
  box-shadow:0 0 0 1px rgba(53,214,192,.45), 0 8px 24px -6px rgba(53,214,192,.55);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;cursor:pointer;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04140F;
  box-shadow:0 0 0 1px rgba(53,214,192,.55), 0 12px 32px -6px rgba(53,214,192,.65);}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--line-strong);
  color:var(--text);font-size:14px;font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;cursor:pointer;
}
.btn-ghost:hover{border-color:rgba(53,214,192,.6);color:var(--primary);background:rgba(53,214,192,.06);}
.btn-lg{height:48px;padding:0 26px;font-size:15.5px;}
.hamburger{
  display:none;width:38px;height:38px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.hamburger:hover{border-color:rgba(53,214,192,.5);color:var(--primary);}

.channel-bar{transition:height .28s var(--ease);}
.channel-bar__inner{display:flex;align-items:center;gap:8px;height:56px;}
.channel-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;font-size:14.5px;font-weight:500;
  color:var(--text-2);padding:8px 14px;border-radius:var(--radius-input);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.channel-link.is-active{color:var(--primary);background:rgba(53,214,192,.1);}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#35D6C0,#3A7BFD);
  box-shadow:0 0 10px rgba(53,214,192,.7);
}
.channel-more{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);flex:0 0 auto;}
.channel-more:hover{color:var(--primary);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,7,12,.6);z-index:1040;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:1050;
  background:var(--glass-strong);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
  padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer__title{font-size:15px;font-weight:700;color:var(--text);}
.drawer__close{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);cursor:pointer;}
.drawer__close:hover{color:var(--primary);border-color:rgba(53,214,192,.5);}
.drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer__nav a{padding:12px 14px;border-radius:var(--radius-input);color:var(--text-2);font-size:15px;border:1px solid transparent;}
.drawer__nav a:hover,.drawer__nav a.is-active{color:var(--primary);background:rgba(53,214,192,.08);border-color:rgba(53,214,192,.22);}
.drawer__sub{font-size:12px;color:var(--text-3);letter-spacing:.08em;margin-bottom:10px;}
.drawer__tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;background:var(--bg-root);padding:72px 0 60px;}
.hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.9);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,18,.6) 0%,rgba(6,11,18,.88) 62%,var(--bg-root) 100%);
}
.hero__glow{
  position:absolute;width:520px;height:520px;left:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,192,.22) 0%,rgba(53,214,192,0) 68%);
  pointer-events:none;
}
.hero__glow--2{
  left:auto;right:-160px;top:auto;bottom:-240px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(58,123,253,.2) 0%,rgba(58,123,253,0) 70%);
}
.hero__grid{
  position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:center;}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--primary);
  background:rgba(53,214,192,.12);border:1px solid rgba(53,214,192,.3);
  padding:5px 12px;border-radius:var(--radius-badge);margin-bottom:20px;
}
.hero__badge i{font-size:8px;}
.hero__title{font-size:clamp(30px,4.2vw,52px);line-height:1.2;margin-bottom:20px;}
.hero__title span{
  background:linear-gradient(100deg,#35D6C0 0%,#3A7BFD 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px;line-height:1.85;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero__facts{display:flex;flex-wrap:wrap;gap:26px;}
.hero__fact{font-size:13.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.hero__fact i{color:var(--primary);font-size:13px;}
.hero__figure{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.hero__figure img{width:100%;aspect-ratio:16/12;object-fit:cover;}
.hero__figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(6,11,18,.05) 0%,rgba(6,11,18,.72) 100%);
}
.hero__figure-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  font-size:12.5px;color:var(--text);background:rgba(10,18,30,.78);
  border:1px solid var(--line-strong);padding:6px 12px;border-radius:var(--radius-badge);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}

/* ============ TREND STRIP ============ */
.trend{padding:26px 0 8px;background:var(--bg-root);}
.trend__inner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:16px 0;
}
.trend__label{font-size:13px;color:var(--text-3);flex:0 0 auto;display:flex;align-items:center;gap:8px;}
.trend__label i{color:var(--accent);}
.trend__list{display:flex;flex-wrap:wrap;gap:8px;}
.trend-pill{
  font-size:13px;padding:5px 13px;border-radius:var(--radius-badge);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.trend-pill:hover{color:var(--primary);border-color:rgba(53,214,192,.5);background:rgba(53,214,192,.08);}

/* ============ SECTION BASE ============ */
.section{padding:96px 0;}
.section--band{background:var(--bg-band);}
.section__head{max-width:720px;margin-bottom:52px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.1em;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.section__eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#35D6C0,#3A7BFD);}
.section__title{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.section__desc{color:var(--text-2);font-size:16px;line-height:1.85;max-width:660px;}

/* ============ PAIN CARDS ============ */
.pain-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.pain-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(53,214,192,.35);box-shadow:var(--shadow-card-hover);}
.pain-card__icon{
  width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(53,214,192,.12);border:1px solid rgba(53,214,192,.26);color:var(--primary);
  font-size:17px;margin-bottom:18px;
}
.pain-card h3{font-size:17px;margin-bottom:10px;}
.pain-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}

/* ============ SOLUTION ============ */
.solution-row{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;}
.solution-row+.solution-row{margin-top:64px;}
.solution-row--rev{grid-template-columns:minmax(0,5fr) minmax(0,7fr);}
.solution-row--rev .solution-row__media{order:-1;}
.solution-num{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;
  color:var(--primary);background:rgba(53,214,192,.1);border:1px solid rgba(53,214,192,.26);
  padding:4px 11px;border-radius:var(--radius-badge);margin-bottom:16px;
}
.solution-row h3{font-size:24px;margin-bottom:16px;}
.solution-row p{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-bottom:12px;}
.arrow-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--primary);margin-top:8px;
}
.arrow-link i{transition:transform .2s var(--ease);}
.arrow-link:hover i{transform:translateX(4px);}
.solution-row__media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.solution-row__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease);}
.solution-row__media:hover img{transform:scale(1.03);}

/* ============ STATS BAND ============ */
.stats-band{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  padding:36px 16px;
}
.stat{padding:6px 20px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat__num{
  font-size:clamp(26px,3vw,38px);font-weight:700;color:var(--text);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;line-height:1.15;margin-bottom:8px;
}
.stat__num em{font-style:normal;color:var(--primary);font-size:.6em;margin-left:4px;font-weight:600;}
.stat__label{font-size:13.5px;color:var(--text-3);line-height:1.6;}

/* ============ NEWS / CMS ============ */
.news__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,214,192,.35);box-shadow:var(--shadow-card-hover);}
.news-card__media{position:relative;overflow:hidden;}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__badge{
  position:absolute;left:12px;top:12px;font-size:12px;padding:3px 10px;border-radius:var(--radius-badge);
  background:rgba(53,214,192,.16);color:var(--primary);border:1px solid rgba(53,214,192,.3);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.news-card__body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-card__title{
  font-size:17px;line-height:1.55;margin-bottom:12px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-card__title{color:var(--primary);}
.news-card__excerpt{
  font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;}
.news-card__arrow{
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);transition:all .2s var(--ease);
}
.news-card:hover .news-card__arrow{color:var(--primary);border-color:rgba(53,214,192,.5);transform:translate(2px,-2px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:48px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:44px;color:var(--primary);opacity:.3;display:block;margin-bottom:16px;}
.empty-state p{color:var(--text-3);font-size:14.5px;margin-bottom:10px;}

/* ============ TESTIMONIAL ============ */
.testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.testi-card{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px 24px 26px;box-shadow:var(--shadow-card);
}
.testi-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#35D6C0,#3A7BFD);
}
.testi-card p{font-size:14.5px;color:var(--text-2);line-height:1.9;margin-bottom:20px;}
.testi-user{display:flex;align-items:center;gap:12px;}
.testi-avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(53,214,192,.7),rgba(58,123,253,.7));
  display:flex;align-items:center;justify-content:center;color:#04140F;font-weight:700;font-size:14px;
}
.testi-user__name{font-size:14.5px;color:var(--text);font-weight:600;}
.testi-user__role{font-size:12.5px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--glass);margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ease);}
.faq-item.is-open{border-color:rgba(53,214,192,.35);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:20px 22px;color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;position:relative;
  border:1px solid var(--line-strong);transition:all .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:all .22s var(--ease);
}
.faq-icon::before{width:11px;height:1.5px;}
.faq-icon::after{width:1.5px;height:11px;}
.faq-item.is-open .faq-icon{border-color:rgba(53,214,192,.6);background:rgba(53,214,192,.12);}
.faq-item.is-open .faq-icon::before{background:var(--primary);}
.faq-item.is-open .faq-icon::after{background:var(--primary);transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a__inner{padding:0 22px 22px 22px;position:relative;}
.faq-a__inner::before{
  content:"";position:absolute;left:22px;top:0;width:3px;height:calc(100% - 22px);border-radius:3px;
  background:rgba(53,214,192,.45);
}
.faq-a__inner p{margin:0;padding-left:18px;color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* ============ CTA BAND ============ */
.cta-band{padding:0 0 96px;}
.cta-band__inner{
  border-radius:var(--radius-card);border:1px solid rgba(53,214,192,.28);
  background:linear-gradient(120deg,rgba(53,214,192,.1) 0%,rgba(58,123,253,.08) 55%,rgba(16,28,42,.6) 100%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  padding:52px 48px;box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band__title{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-band__desc{color:var(--text-2);font-size:15.5px;max-width:560px;margin:0;}
.cta-band__actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ============ FOOTER ============ */
.site-footer{background:var(--bg-band);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(53,214,192,.9),rgba(58,123,253,.85));color:#04140F;font-weight:700;font-size:14px;
}
.footer-brand__text{font-size:15.5px;font-weight:700;color:var(--text);}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;margin:0;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-3);}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);display:inline-block;}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.9;}
.footer-note strong{color:var(--text-2);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ RESPONSIVE ============ */
@media (max-width:1200px){
  .pain-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .search-box{display:none;}
  .hotwords{display:none;}
  .hamburger{display:flex;}
  .brand-bar{height:54px;}
  .brand-bar__inner{height:54px;justify-content:space-between;}
  .channel-bar__inner{height:52px;}
  .section{padding:72px 0;}
  .hero{padding:56px 0 48px;}
  .hero__inner{grid-template-columns:1fr;gap:34px;}
  .hero__figure{max-width:560px;}
  .solution-row,.solution-row--rev{grid-template-columns:1fr;gap:26px;}
  .solution-row--rev .solution-row__media{order:0;}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0;padding:28px 8px;}
  .stat:nth-child(2){border-right:0;}
  .stat{padding:6px 18px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .testi-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band__inner{padding:36px 26px;}
  .cta-band{padding-bottom:72px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 40px;}
  .hero__title{font-size:27px;}
  .hero__sub{font-size:15.5px;}
  .hero__cta{gap:12px;}
  .hero__cta .btn-glow,.hero__cta .btn-ghost{flex:1 1 100%;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:1fr;gap:0;padding:10px 8px;}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:18px 16px;}
  .stat:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .cta-band__inner{padding:28px 20px;}
  .section__head{margin-bottom:34px;}
  .solution-row+.solution-row{margin-top:44px;}
  .faq-q{font-size:15px;padding:17px 18px;}
  .faq-a__inner{padding:0 18px 18px 18px;}
  .faq-a__inner::before{left:18px;}
  .faq-a__inner p{padding-left:14px;}
  .news-card__body{padding:18px;}
  .pain-card{padding:20px 18px;}
}
@media (max-width:520px){
  .channel-link{padding:8px 10px;font-size:14px;}
  .brand__text{font-size:14.5px;}
  .hero__badge{font-size:11.5px;}
}
@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .site-header,.stats-band,.cta-band__inner,.drawer{background:#0E1A28;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --bg:#060B12;
  --bg-2:#0B1524;
  --glass:rgba(16,28,42,.58);
  --overlay:rgba(10,18,30,.92);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --primary:#35D6C0;
  --primary-soft:rgba(53,214,192,.15);
  --primary-line:rgba(53,214,192,.35);
  --blue:#3A7BFD;
  --orange:#FF9A3D;
  --orange-soft:rgba(255,154,61,.15);
  --text:#EAF2F8;
  --text-2:#A9B8C9;
  --text-3:#748699;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-hover:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,214,192,.45), 0 8px 24px -6px rgba(53,214,192,.55);
  --ease:220ms ease-out;
  --bs-body-bg:#060B12;
  --bs-body-color:#EAF2F8;
  --bs-primary:#35D6C0;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-link-color:#35D6C0;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:#5FE7D4;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;margin:0;line-height:1.35;}
p{margin:0 0 1rem;}
.num{font-variant-numeric:tabular-nums;}
.container,
.container-lg,
.container-xl{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){
  .container,.container-lg,.container-xl{max-width:1320px;}
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,18,30,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
@supports not (backdrop-filter:blur(4px)){
  .site-header{background:#0E1A28;}
}
.brandbar{height:56px;overflow:hidden;transition:height 240ms ease-out,opacity 200ms ease-out;}
.site-header.is-scrolled .brandbar{height:0;opacity:0;}
.brandbar__inner{height:56px;display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand__mark{
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;color:#04140F;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  box-shadow:0 0 0 1px rgba(53,214,192,.4),0 6px 16px -6px rgba(53,214,192,.6);
}
.brand__text{font-weight:700;font-size:16px;white-space:nowrap;}
.trend{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.trend::-webkit-scrollbar{display:none;}
.trend__item{
  flex:0 0 auto;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-badge);
  padding:3px 10px;
  white-space:nowrap;
  transition:all var(--ease);
}
.trend__item:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft);}
.trend__item.is-hot{color:var(--orange);background:var(--orange-soft);border-color:rgba(255,154,61,.3);}
.search{
  position:relative;flex:0 0 230px;
  display:flex;align-items:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  height:38px;padding:0 12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(53,214,192,.2);}
.search i{color:var(--text-3);font-size:13px;margin-right:8px;}
.search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;color:var(--text);
  height:100%;outline:none;font-size:14px;
}
.search input::placeholder{color:var(--text-3);}
/* buttons */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;
  border-radius:var(--radius-btn);border:0;
  background:linear-gradient(120deg,#35D6C0,#3A7BFD);
  color:#04140F;font-weight:700;font-size:15px;
  box-shadow:var(--glow);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-glow:hover{color:#04140F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(53,214,192,.5),0 12px 32px -8px rgba(53,214,192,.7);}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line-strong);
  background:transparent;color:var(--text);font-weight:500;font-size:15px;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.btn-ghost:hover{border-color:rgba(53,214,192,.6);color:var(--primary);background:rgba(53,214,192,.06);}
.btn-sm{height:36px;padding:0 14px;font-size:14px;}
.hamburger,.search-toggle{
  display:none;
  width:38px;height:38px;flex:0 0 auto;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:var(--radius-input);
  color:var(--text);cursor:pointer;
}
.hamburger:hover,.search-toggle:hover{border-color:var(--primary-line);color:var(--primary);}
/* channel nav */
.channel-nav{
  display:flex;align-items:center;gap:6px;
  height:44px;
  overflow-x:auto;
  scrollbar-width:none;
  border-top:1px solid rgba(255,255,255,.05);
  padding-left:max(20px,calc((100% - 1240px) / 2));
  padding-right:max(20px,calc((100% - 1240px) / 2));
}
@media (min-width:1400px){
  .channel-nav{padding-left:max(20px,calc((100% - 1320px) / 2));padding-right:max(20px,calc((100% - 1320px) / 2));}
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;
  font-size:14.5px;font-weight:500;
  color:var(--text-2);
  padding:6px 12px;border-radius:8px;
  transition:all var(--ease);
  white-space:nowrap;
}
.channel-link:hover{color:var(--primary);background:rgba(53,214,192,.08);}
.channel-link.is-active{color:var(--primary);background:rgba(53,214,192,.12);}
/* drawer */
.drawer{
  display:none;
  position:fixed;inset:0;z-index:1040;
  background:var(--overlay);
  backdrop-filter:blur(14px) saturate(140%);
  padding:24px 20px 40px;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{width:38px;height:38px;border-radius:var(--radius-input);border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;}
.drawer__link{display:block;padding:14px 4px;border-bottom:1px solid var(--line);color:var(--text);font-size:16px;font-weight:500;}
.drawer__link:hover{color:var(--primary);}
.drawer__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:48px 0 40px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(600px 220px at 12% 0%,rgba(53,214,192,.12),transparent 70%),
    radial-gradient(520px 200px at 88% 10%,rgba(58,123,253,.12),transparent 70%),
    linear-gradient(180deg,#0B1524 0%,#060B12 100%);
  overflow:hidden;
}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb-nav a{color:rgba(53,214,192,.75);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--text-2);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:14px;color:var(--text-3);}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:500;
  padding:4px 10px;border-radius:var(--radius-badge);
  background:var(--primary-soft);color:var(--primary);
}
.badge-hot{background:var(--orange-soft);color:var(--orange);}
.page-hero h1{
  font-size:clamp(28px,4vw,48px);
  max-width:960px;
  line-height:1.35;
}
/* ---------- article body ---------- */
.main-wrap{padding:56px 0 72px;}
.article-layout{max-width:820px;margin:0 auto;}
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 22px;color:#DDE8F1;}
.article-body h2{
  position:relative;
  font-size:30px;
  margin:56px 0 20px;
  padding-left:16px;
  color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,#35D6C0,#3A7BFD);
}
.article-body h3{font-size:20px;margin:36px 0 14px;color:var(--text);}
.article-body h4{font-size:17px;margin:28px 0 12px;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:10px;color:#DDE8F1;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--primary);
  background:rgba(16,28,42,.5);
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:#7BF0DE;}
.article-body img{border-radius:var(--radius-img);margin:22px 0;box-shadow:var(--shadow-card);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13.5px;color:var(--text-3);margin-top:8px;}
.article-body table{
  display:block;overflow-x:auto;
  width:100%;margin:24px 0;
  border-collapse:collapse;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
}
.article-body thead th{
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:600;
  text-align:left;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text-2);}
.article-body tbody tr:hover td{background:rgba(53,214,192,.05);}
.article-body code{
  background:rgba(255,255,255,.06);
  border-radius:6px;padding:2px 6px;font-size:14px;color:var(--primary);
}
.article-body pre{
  background:#0B1524;border:1px solid var(--line);border-radius:var(--radius-img);
  padding:16px 18px;overflow-x:auto;margin:22px 0;
}
.article-body pre code{background:none;padding:0;color:var(--text-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.empty-state{
  text-align:center;padding:48px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:rgba(16,28,42,.4);
}
.empty-state i{font-size:48px;color:var(--text-3);opacity:.6;}
.empty-state p{margin:16px 0 8px;color:var(--text-2);}
/* tags */
.tag-block{margin-top:48px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-block__label{font-size:13.5px;color:var(--text-3);margin-right:4px;}
.tag{
  font-size:13.5px;color:var(--text-2);
  padding:5px 12px;border-radius:var(--radius-badge);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:all var(--ease);
}
.tag:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft);}
/* related */
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:24px;}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--text-3);}
.more-link{font-size:14px;color:var(--primary);white-space:nowrap;}
.more-link i{margin-left:4px;transition:transform var(--ease);}
.more-link:hover i{transform:translateX(3px);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-line);}
.news-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,18,0) 40%,rgba(6,11,18,.55));}
.news-card__badge{position:absolute;top:12px;left:12px;z-index:2;}
.news-card__arrow{
  position:absolute;top:10px;right:10px;z-index:2;
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,18,30,.7);border:1px solid var(--line);
  color:var(--text-2);transition:all var(--ease);
}
.news-card:hover .news-card__arrow{color:var(--primary);border-color:var(--primary-line);transform:translate(2px,-2px);}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-card__title{
  font-size:17px;font-weight:700;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__desc{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin:0;
}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
/* prev next */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:48px;}
.pager__card{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  transition:all var(--ease);
}
.pager__card:hover{border-color:var(--primary-line);transform:translateY(-3px);}
.pager__card span{font-size:13px;color:var(--text-3);}
.pager__card strong{font-size:15.5px;font-weight:600;color:var(--text);}
.pager__card:hover strong{color:var(--primary);}
.pager__card.is-right{text-align:right;align-items:flex-end;}
.back-row{margin-top:40px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
/* cta band */
.cta-band{
  margin:72px 0 0;
  padding:40px 36px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:
    radial-gradient(420px 160px at 10% 20%,rgba(53,214,192,.16),transparent 70%),
    radial-gradient(380px 150px at 92% 80%,rgba(58,123,253,.14),transparent 70%),
    rgba(16,28,42,.6);
  backdrop-filter:blur(14px) saturate(140%);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
@supports not (backdrop-filter:blur(4px)){
  .cta-band{background:#0E1A28;}
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{margin:0;font-size:14.5px;color:var(--text-2);}
.cta-band__actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.text-link{font-size:14.5px;color:var(--text-2);}
.text-link:hover{color:var(--primary);}
/* faq */
.faq-list{display:grid;gap:14px;margin-top:26px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--glass);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:var(--primary-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:500;text-align:left;
}
.faq-q i{color:var(--text-3);transition:transform var(--ease),color var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-a__inner{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;border-left:3px solid transparent;}
.faq-item.is-open .faq-a__inner{border-left-color:var(--primary);}
/* footer */
.site-footer{
  margin-top:80px;
  border-top:1px solid var(--line);
  background:#0B1524;
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__mark{
  width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#04140F;font-size:15px;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
}
.footer-brand__text{font-weight:700;font-size:16px;color:var(--text);}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;margin:0;max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:2;margin:0;}
.footer-note strong{color:var(--text-2);font-weight:600;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
/* responsive */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .search{display:none;}
  .search-toggle{display:flex;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .brand__text{font-size:15px;}
  .main-wrap{padding:44px 0 56px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:24px;margin:44px 0 16px;}
}
@media (max-width:767px){
  .trend{display:none;}
  .hamburger{display:flex;}
  .brandbar{height:52px;}
  .brandbar__inner{height:52px;gap:10px;}
  .brandbar__inner .btn-glow{display:none;}
  .channel-nav{height:44px;padding-left:20px;padding-right:20px;}
  .page-hero{padding:32px 0 28px;}
  .page-hero h1{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .cta-band{padding:28px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .site-header{backdrop-filter:none;}
  .cta-band{backdrop-filter:none;}
}
@media (max-width:520px){
  .container,.container-lg,.container-xl{padding-left:16px;padding-right:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .btn-glow,.btn-ghost{width:100%;}
  .back-row{flex-direction:column;align-items:stretch;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#35D6C0;
  --c-primary-dim:rgba(53,214,192,.35);
  --c-primary-soft:rgba(53,214,192,.15);
  --c-secondary:#3A7BFD;
  --c-secondary-soft:rgba(58,123,253,.15);
  --c-accent:#FF9A3D;
  --c-accent-soft:rgba(255,154,61,.15);
  --c-danger:#FF6B6B;
  --bg-root:#060B12;
  --bg-alt:#0B1524;
  --glass:rgba(16,28,42,.58);
  --glass-solid:#0E1A28;
  --overlay:rgba(10,18,30,.92);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#EAF2F8;
  --text-2:#A9B8C9;
  --text-3:#748699;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-card-hover:0 14px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --t:220ms ease-out;
  --bs-body-bg:#060B12;
  --bs-body-color:#EAF2F8;
  --bs-primary:#35D6C0;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:14px;
  --bs-link-color:#35D6C0;
  --bs-link-hover-color:#5CE4D2;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-root);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:#5CE4D2}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,11,18,.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 0 0 1px rgba(53,214,192,.12),0 10px 30px rgba(0,0,0,.5)}
.brand-row{
  display:flex;align-items:center;gap:24px;
  min-height:48px;padding:8px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:8px;
  display:grid;place-items:center;
  font-size:15px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  box-shadow:0 0 0 1px rgba(53,214,192,.45),0 6px 18px -8px rgba(53,214,192,.7);
}
.brand-text{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap}
.brand-text:hover{color:var(--text)}
.hot-strip{
  flex:1 1 auto;display:flex;align-items:center;gap:8px;
  overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
  padding:2px 0;
}
.hot-strip::-webkit-scrollbar{display:none}
.hot-label{font-size:12px;color:var(--text-3);flex-shrink:0;letter-spacing:.06em}
.hot-tag{
  display:inline-block;flex-shrink:0;
  font-size:12.5px;padding:3px 10px;border-radius:var(--r-badge);
  color:var(--c-accent);background:var(--c-accent-soft);
  border:1px solid rgba(255,154,61,.22);
  transition:all var(--t);
}
.hot-tag:hover{background:rgba(255,154,61,.28);color:#FFC08A}
.hot-tag.is-primary{color:var(--c-primary);background:var(--c-primary-soft);border-color:rgba(53,214,192,.28)}
.hot-tag.is-primary:hover{background:rgba(53,214,192,.28);color:#7FEFE0}
.search-box{position:relative;flex-shrink:0;width:220px}
.search-box input{
  width:100%;height:36px;padding:0 36px 0 12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  border-radius:var(--r-input);
  color:var(--text);font-size:13.5px;
  transition:all var(--t);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(53,214,192,.2);
  background:rgba(255,255,255,.06);
}
.search-box .search-ico{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:13px;pointer-events:none;
}
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:36px;padding:0 18px;flex-shrink:0;
  font-size:13.5px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  border:none;border-radius:var(--r-btn);
  box-shadow:0 0 0 1px rgba(53,214,192,.45),0 8px 24px -6px rgba(53,214,192,.55);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
  cursor:pointer;
}
.btn-primary-glow:hover{
  color:#04140F;transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(53,214,192,.6),0 12px 32px -6px rgba(53,214,192,.7);
}
.btn-primary-glow:active{transform:translateY(0)}
.hamburger{
  display:none;width:36px;height:36px;flex-shrink:0;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);border-radius:var(--r-input);
  color:var(--text);cursor:pointer;transition:all var(--t);
}
.hamburger:hover{border-color:var(--c-primary-dim);color:var(--c-primary)}
.channel-nav{
  display:flex;align-items:center;gap:6px;
  min-height:48px;overflow-x:auto;white-space:nowrap;
  border-top:1px solid var(--line);
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex-shrink:0;
  padding:6px 14px;border-radius:var(--r-badge);
  font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:all var(--t);
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.channel-link.is-active{color:var(--c-primary);background:var(--c-primary-soft)}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;
  background:var(--c-primary);border-radius:2px;
  box-shadow:0 0 10px rgba(53,214,192,.8);
}
@media (max-width:991px){
  .search-box{width:170px}
  .brand-text{font-size:15px}
}
@media (max-width:767px){
  .brand-row{min-height:52px;gap:12px}
  .hot-strip{display:none}
  .search-box,.btn-primary-glow{display:none}
  .hamburger{display:inline-flex;margin-left:auto}
  .channel-nav{min-height:48px}
  .site-header.is-stuck .brand-row{display:none}
}
/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1050;
  background:var(--overlay);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:24px 20px;overflow-y:auto;
  display:none;
}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:38px;height:38px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  border-radius:var(--r-input);color:var(--text);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--r-btn);
  color:var(--text-2);font-size:16px;font-weight:500;
  border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.is-active{
  color:var(--c-primary);background:var(--c-primary-soft);border-color:rgba(53,214,192,.22);
}
.drawer-sub{font-size:12px;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0}
.breadcrumb-custom{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);
}
.breadcrumb-custom a{color:rgba(53,214,192,.75)}
.breadcrumb-custom a:hover{color:var(--c-primary)}
.breadcrumb-custom .sep{color:var(--text-3);opacity:.6}
.breadcrumb-custom .current{color:var(--text-2)}

/* ============ 窄版 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:16px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-alt);
  min-height:280px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  align-items:center;
  box-shadow:var(--sh-card);
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.32;
}
.cat-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,11,18,.94) 0%,rgba(6,11,18,.72) 55%,rgba(6,11,18,.5) 100%);
}
.cat-hero__glow{
  position:absolute;width:420px;height:420px;left:-120px;top:-160px;
  background:radial-gradient(circle,rgba(53,214,192,.28),transparent 68%);
  filter:blur(20px);pointer-events:none;
}
.cat-hero__inner{
  position:relative;z-index:2;
  grid-column:1 / -1;
  padding:48px 44px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cat-hero h1{
  font-size:clamp(28px,3.4vw,42px);
  margin:14px 0 14px;
}
.cat-hero h1 .accent{
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero__lead{
  font-size:15.5px;color:var(--text-2);line-height:1.85;max-width:560px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.1em;
  color:var(--c-primary);background:var(--c-primary-soft);
  border:1px solid rgba(53,214,192,.25);
  padding:4px 12px;border-radius:var(--r-badge);
}
.hero-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:0 18px 46px rgba(0,0,0,.5);
}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,18,.15),rgba(6,11,18,.62));
}
.hero-media__cap{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:12.5px;color:var(--text-2);
  background:rgba(10,18,30,.72);border:1px solid var(--line);
  padding:3px 10px;border-radius:var(--r-badge);
}
@media (max-width:991px){
  .cat-hero__inner{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .cat-hero{min-height:auto}
}
@media (max-width:575px){
  .cat-hero__inner{padding:32px 20px}
  .cat-hero h1{font-size:26px}
}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:28px;padding:14px 16px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.filter-bar__label{font-size:13px;color:var(--text-3);margin-right:4px}
.filter-chip{
  padding:6px 14px;border-radius:var(--r-badge);
  font-size:13.5px;color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  cursor:pointer;transition:all var(--t);
}
.filter-chip:hover{color:var(--text);border-color:var(--line-strong)}
.filter-chip.is-active{
  color:#04140F;font-weight:700;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  border-color:transparent;
  box-shadow:0 0 0 1px rgba(53,214,192,.4),0 6px 18px -8px rgba(53,214,192,.7);
}

/* ============ 通用标题 ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.section-head h2::before{
  content:"";display:block;width:44px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,#35D6C0,#3A7BFD);margin-bottom:16px;
}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.9}
@media (max-width:991px){.section{padding:72px 0}.section--tight{padding:56px 0}}
@media (max-width:575px){.section{padding:56px 0}.section--tight{padding:48px 0}}

/* ============ 图文交替长列表 ============ */
.feature-list{display:flex;flex-direction:column;gap:72px}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.feature-row.reverse .feature-media{order:2}
.feature-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 260ms ease-out}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,18,.05),rgba(6,11,18,.6));
}
.feature-row:hover .feature-media{
  transform:translateY(-4px);
  border-color:rgba(53,214,192,.35);
  box-shadow:var(--sh-card-hover);
}
.feature-row:hover .feature-media img{transform:scale(1.04)}
.media-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;padding:3px 10px;border-radius:var(--r-badge);
  color:var(--c-primary);background:rgba(6,11,18,.78);
  border:1px solid rgba(53,214,192,.3);
}
.step-badge{
  display:inline-grid;place-items:center;
  width:40px;height:40px;border-radius:10px;
  font-size:14px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);
  border:1px solid rgba(53,214,192,.28);
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.feature-body h3{font-size:21px;margin-bottom:14px}
.feature-body p{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-bottom:16px}
.dot-list{margin-bottom:18px}
.dot-list li{
  position:relative;padding-left:22px;margin-bottom:9px;
  color:var(--text-2);font-size:14.5px;line-height:1.8;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 8px rgba(53,214,192,.6);
}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:500;color:var(--c-primary);
  border-bottom:1px dashed rgba(53,214,192,.4);
  padding-bottom:2px;
}
.arrow-link:hover{color:#7FEFE0;border-bottom-color:rgba(127,239,224,.7)}
.arrow-link i{transition:transform var(--t)}
.arrow-link:hover i{transform:translateX(3px)}
@media (max-width:991px){
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-row.reverse .feature-media{order:0}
  .feature-list{gap:56px}
}

/* ============ 对照要点区 ============ */
.grid-3{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.info-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,214,192,.35);
  box-shadow:var(--sh-card-hover);
}
.info-card__icon{
  width:42px;height:42px;border-radius:10px;
  display:grid;place-items:center;margin-bottom:16px;
  font-size:17px;color:var(--c-primary);
  background:var(--c-primary-soft);
  border:1px solid rgba(53,214,192,.25);
}
.info-card h3{font-size:17.5px;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.info-card hr{border:none;border-top:1px solid var(--line);margin:18px 0 14px}
.mini-tag{
  display:inline-block;font-size:12.5px;padding:3px 9px;margin:0 6px 6px 0;
  border-radius:var(--r-badge);
  color:var(--text-2);background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.mini-tag.is-blue{color:var(--c-secondary);background:var(--c-secondary-soft);border-color:rgba(58,123,253,.25)}
@media (max-width:991px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.grid-3{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{
  border-color:rgba(53,214,192,.35);
  box-shadow:0 10px 30px -14px rgba(53,214,192,.5);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:none;
  color:var(--text);font-size:16px;font-weight:500;text-align:left;
  cursor:pointer;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--c-primary);opacity:0;transition:opacity var(--t);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q i{color:var(--c-primary);font-size:14px;transition:transform 260ms ease-out;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 300ms ease-out;
}
.faq-a__inner{
  padding:0 24px 22px;
  color:var(--text-2);font-size:14.5px;line-height:1.85;
}
@media (max-width:575px){
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a__inner{padding:0 18px 18px}
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
.cta-band::before{
  content:"";position:absolute;left:-80px;top:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(53,214,192,.24),transparent 70%);
  filter:blur(14px);pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;max-width:640px}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:14.5px;line-height:1.85}
.cta-band__actions{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;
  font-size:14.5px;font-weight:500;color:var(--text);
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--r-btn);
  transition:all var(--t);
}
.btn-ghost:hover{
  color:var(--c-primary);border-color:rgba(53,214,192,.6);
  background:rgba(53,214,192,.06);
}
.btn-glow-lg{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 26px;
  font-size:15px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  border:none;border-radius:var(--r-btn);
  box-shadow:0 0 0 1px rgba(53,214,192,.45),0 8px 24px -6px rgba(53,214,192,.55);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
  cursor:pointer;
}
.btn-glow-lg:hover{
  color:#04140F;transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(53,214,192,.6),0 12px 32px -6px rgba(53,214,192,.7);
}
.btn-glow-lg:active{transform:translateY(0)}
@media (max-width:767px){
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  border-top:1px solid var(--line);
  background:var(--bg-alt);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand__mark{
  width:32px;height:32px;border-radius:8px;display:grid;place-items:center;
  font-size:15px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
}
.footer-brand__text{font-size:15.5px;font-weight:700;color:var(--text)}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.9;max-width:360px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:all var(--t)}
.footer-links a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:2}
.footer-note strong{color:var(--text-2);font-weight:500}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
}
@supports not (backdrop-filter: blur(4px)){
  .site-header,.filter-bar,.info-card,.faq-item,.cta-band{background:var(--glass-solid)}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}
@media (max-width:767px){
  .filter-bar,.info-card,.faq-item,.cta-band{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--glass-solid)}
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(6,11,18,.98)}
  .info-card,.cta-band{box-shadow:0 6px 20px rgba(0,0,0,.3)}
}

/* roulang page: category2 */
:root{
  --bg:#060B12;
  --band:#0B1524;
  --glass:rgba(16,28,42,.58);
  --float:rgba(10,18,30,.92);
  --primary:#35D6C0;
  --primary-dim:rgba(53,214,192,.35);
  --primary-soft:rgba(53,214,192,.12);
  --blue:#3A7BFD;
  --orange:#FF9A3D;
  --danger:#FF6B6B;
  --t1:#EAF2F8;
  --t2:#A9B8C9;
  --t3:#748699;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-hover:0 14px 40px rgba(0,0,0,.45);
  --ease:.22s ease-out;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:#6FEBDD;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.32;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,11,18,.88);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.brand-row{
  max-height:120px;
  overflow:hidden;
  transition:max-height .28s ease,opacity .2s ease;
}
.site-header.is-condensed .brand-row{max-height:0;opacity:0;}
.brand-row__inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:60px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:32px;height:32px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04140F;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px -6px rgba(53,214,192,.7);
}
.brand__text{font-size:17px;font-weight:700;color:var(--t1);white-space:nowrap;}
.brand:hover .brand__text{color:var(--primary);}
.hot-strip{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;
  padding:4px 0;
}
.hot-strip::-webkit-scrollbar{display:none;}
.hot-strip__label{font-size:12px;color:var(--t3);letter-spacing:.08em;flex:0 0 auto;}
.hot-pill{
  flex:0 0 auto;
  font-size:13px;
  color:var(--t2);
  padding:4px 11px;
  border-radius:var(--r-badge);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:all var(--ease);
}
.hot-pill:hover{color:var(--primary);border-color:var(--primary-dim);background:var(--primary-soft);}
.hot-pill--hot{color:var(--orange);border-color:rgba(255,154,61,.3);background:rgba(255,154,61,.1);}
.search-box{
  position:relative;flex:0 0 240px;
  display:flex;align-items:center;
}
.search-box i{position:absolute;left:13px;font-size:13px;color:var(--t3);pointer-events:none;}
.search-box input{
  width:100%;height:40px;
  padding:0 14px 0 34px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--t1);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(53,214,192,.06);
  box-shadow:0 0 0 4px rgba(53,214,192,.18);
}
.nav-toggle{
  display:none;
  width:42px;height:40px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--t1);font-size:16px;
  align-items:center;justify-content:center;
  transition:all var(--ease);
}
.nav-toggle:hover{border-color:var(--primary-dim);color:var(--primary);}
.channel-nav{
  display:flex;align-items:center;gap:6px;
  padding:8px 0;
  overflow-x:auto;
  scrollbar-width:none;
  transition:padding .26s ease;
  border-top:1px solid rgba(255,255,255,.05);
}
.channel-nav::-webkit-scrollbar{display:none;}
.site-header.is-condensed .channel-nav{padding:6px 0;border-top-color:transparent;}
.channel-link{
  flex:0 0 auto;
  position:relative;
  font-size:14.5px;font-weight:500;
  color:var(--t2);
  padding:7px 14px;
  border-radius:var(--r-badge);
  transition:all var(--ease);
  white-space:nowrap;
}
.channel-link:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.channel-link.is-active{
  color:var(--primary);
  background:var(--primary-soft);
  box-shadow:inset 0 0 0 1px var(--primary-dim);
}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 10px rgba(53,214,192,.8);
}
/* drawer */
.drawer{
  position:fixed;inset:0;z-index:1100;
  background:rgba(4,8,14,.7);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  position:absolute;top:0;right:0;
  width:min(86vw,360px);height:100%;
  background:var(--float);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-left:1px solid var(--line);
  padding:20px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .26s ease-out;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--t1);font-size:18px;line-height:1;
}
.drawer__nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer__nav a{
  padding:12px 14px;border-radius:var(--r-btn);
  color:var(--t2);font-size:15px;font-weight:500;
  border:1px solid transparent;
  transition:all var(--ease);
}
.drawer__nav a:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.drawer__nav a.is-active{color:var(--primary);background:var(--primary-soft);border-color:var(--primary-dim);}
.drawer__title{font-size:12px;letter-spacing:.1em;color:var(--t3);margin-bottom:12px;}
.drawer__hot{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- Buttons ---------- */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:0;border-radius:var(--r-btn);
  background:linear-gradient(100deg,#35D6C0,#3A7BFD);
  color:#04140F;font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(53,214,192,.45),0 8px 24px -6px rgba(53,214,192,.55);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-glow:hover{
  color:#04140F;transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(53,214,192,.5),0 12px 32px -6px rgba(53,214,192,.62);
}
.btn-glow:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--t1);font-size:15px;font-weight:500;
  transition:all var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-ghost:hover{border-color:rgba(53,214,192,.6);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 52px;
  overflow:hidden;
  background:#08111C;
  border-bottom:1px solid var(--line);
}
.page-hero__bg{
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.3;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,18,.62) 0%,rgba(6,11,18,.86) 55%,rgba(6,11,18,.96) 100%);
}
.page-hero__glow{
  position:absolute;top:-140px;right:-80px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(53,214,192,.22),transparent 66%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--t3);
  margin-bottom:18px;flex-wrap:wrap;
}
.breadcrumb-nav a{color:rgba(53,214,192,.75);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:var(--t3);}
.breadcrumb-nav .current{color:var(--t2);}
.page-hero__grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;align-items:end;}
.page-hero h1{
  font-size:clamp(28px,3.5vw,44px);
  margin-bottom:14px;
}
.page-hero h1 .h1-brand{
  display:block;
  font-size:clamp(16px,1.5vw,20px);
  font-weight:600;
  color:var(--primary);
  letter-spacing:.02em;
  margin-top:10px;
}
.page-hero__desc{
  max-width:660px;
  color:var(--t2);
  font-size:16px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.hero-stat{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh);
}
.hero-stat__num{
  font-size:26px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stat__label{font-size:13px;color:var(--t3);margin-top:4px;}

/* ---------- Filter bar ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px 0 4px;
}
.filter-chip{
  font-size:13.5px;
  color:var(--t2);
  padding:7px 15px;
  border-radius:var(--r-badge);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:all var(--ease);
  cursor:pointer;
}
.filter-chip:hover{color:var(--t1);border-color:var(--line-strong);}
.filter-chip.is-active{
  color:#04140F;
  background:linear-gradient(100deg,#35D6C0,#48c3e6);
  border-color:transparent;
  font-weight:600;
}
.filter-bar__meta{margin-left:auto;font-size:13px;color:var(--t3);}

/* ---------- Sections ---------- */
.section{padding:84px 0;}
.section--band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:36px;}
.section-head__kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.section-head__kicker::before{content:"";width:18px;height:2px;background:var(--primary);border-radius:2px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,32px);
  margin-bottom:10px;
}
.section-head h2::before{
  content:"";display:inline-block;
  width:4px;height:22px;border-radius:2px;
  background:var(--primary);
  margin-right:12px;vertical-align:-3px;
  box-shadow:0 0 12px rgba(53,214,192,.6);
}
.section-head p{color:var(--t2);max-width:760px;}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.g-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  color:inherit;
}
.g-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:var(--primary-dim);
  color:inherit;
}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E1A28;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.g-card:hover .card-cover img{transform:scale(1.04);}
.card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,18,.15),rgba(6,11,18,.6));
}
.card-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:rgba(53,214,192,.16);
  color:var(--primary);
  border:1px solid rgba(53,214,192,.3);
}
.card-badge--hot{
  background:rgba(255,154,61,.14);
  color:var(--orange);
  border-color:rgba(255,154,61,.3);
}
.card-arrow{
  position:absolute;top:12px;right:12px;z-index:2;
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,18,30,.62);
  border:1px solid var(--line);
  color:var(--t2);font-size:12px;
  transition:all var(--ease);
}
.g-card:hover .card-arrow{color:var(--primary);border-color:var(--primary-dim);transform:translate(2px,-2px);}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{
  font-size:17px;font-weight:700;line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.g-card:hover .card-title{color:var(--primary);}
.card-text{
  font-size:14px;color:var(--t2);line-height:1.75;
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
  padding-top:14px;border-top:1px solid var(--line);
}
.card-meta i{margin-right:6px;font-size:12px;}
.card-meta .meta-cat{color:var(--t2);}

/* ---------- Sidebar ---------- */
.side-stick{position:sticky;top:88px;}
.side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  padding:22px;
  margin-bottom:20px;
}
.side-card__title{
  font-size:15px;font-weight:700;
  display:flex;align-items:center;gap:8px;
  margin-bottom:16px;
}
.side-card__title i{color:var(--primary);font-size:14px;}
.step-list li{
  display:flex;gap:12px;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.07);
  font-size:14px;color:var(--t2);line-height:1.7;
}
.step-list li:last-child{border-bottom:0;padding-bottom:0;}
.step-list .idx{
  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;
  background:var(--primary-soft);
  color:var(--primary);
  border:1px solid var(--primary-dim);
  font-variant-numeric:tabular-nums;
}
.link-list li{border-bottom:1px solid rgba(255,255,255,.06);}
.link-list li:last-child{border-bottom:0;}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 0;
  font-size:14px;color:var(--t2);
  transition:all var(--ease);
}
.link-list a:hover{color:var(--primary);transform:translateX(3px);}
.link-list a i{font-size:11px;color:var(--t3);}
.link-list a:hover i{color:var(--primary);}
.side-faq li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.side-faq li:last-child{border-bottom:0;padding-bottom:0;}
.side-faq a{font-size:13.5px;color:var(--t2);line-height:1.65;display:block;}
.side-faq a:hover{color:var(--primary);}

/* ---------- Load more ---------- */
.load-more{display:flex;justify-content:center;margin-top:36px;}

/* ---------- Table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh);
  overflow-x:auto;
}
table.data-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px;}
table.data-table th{
  text-align:left;
  font-weight:600;font-size:13.5px;
  color:var(--t1);
  padding:15px 20px;
  background:rgba(53,214,192,.07);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.data-table td{
  padding:15px 20px;
  color:var(--t2);
  border-bottom:1px solid rgba(255,255,255,.06);
  vertical-align:top;
}
table.data-table tbody tr{transition:background var(--ease);}
table.data-table tbody tr:hover{background:rgba(53,214,192,.05);}
table.data-table tbody tr:last-child td{border-bottom:0;}
table.data-table td strong{color:var(--t1);font-weight:600;}
.tag-inline{
  display:inline-block;
  font-size:12px;
  padding:3px 9px;
  border-radius:var(--r-badge);
  background:rgba(58,123,253,.14);
  color:#7FA9FF;
  border:1px solid rgba(58,123,253,.28);
}
.tag-inline--orange{background:rgba(255,154,61,.14);color:var(--orange);border-color:rgba(255,154,61,.3);}

/* ---------- Process ---------- */
.process-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh);
  overflow:hidden;
}
.process-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
  position:relative;
}
.process-item:last-child{border-right:0;}
.process-item__no{
  font-size:13px;font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
  margin-bottom:10px;
}
.process-item h3{font-size:16px;margin-bottom:8px;}
.process-item p{font-size:13.5px;color:var(--t2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color var(--ease),background var(--ease);
  overflow:hidden;
}
.faq-item[open]{border-color:var(--primary-dim);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;font-weight:500;
  color:var(--t1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--primary);border-radius:2px;
  opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--t2);font-size:12px;
  transition:transform var(--ease),color var(--ease),border-color var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--primary);border-color:var(--primary-dim);}
.faq-answer{
  padding:0 22px 20px 22px;
  color:var(--t2);
  font-size:14.5px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:rgba(16,28,42,.6);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh);
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(53,214,192,.22),transparent 68%);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:1;max-width:640px;}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);margin-bottom:10px;}
.cta-band p{color:var(--t2);font-size:15px;margin:0;}
.cta-band__actions{position:relative;z-index:1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.text-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;color:var(--primary);
  border-bottom:1px solid rgba(53,214,192,.35);
  padding-bottom:2px;
  transition:all var(--ease);
}
.text-link:hover{border-bottom-color:var(--primary);gap:11px;}

/* ---------- Footer ---------- */
.site-footer{
  background:#050A10;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04140F;font-weight:800;font-size:17px;
}
.footer-brand__text{font-size:16.5px;font-weight:700;color:var(--t1);}
.footer-desc{font-size:14px;color:var(--t3);line-height:1.8;max-width:340px;margin:0;}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:var(--t2);
  transition:color var(--ease),transform var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-note{font-size:13px;color:var(--t3);line-height:2;margin:0;}
.footer-note strong{color:var(--t2);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .side-stick{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .brand-row__inner{height:56px;gap:12px;}
  .hot-strip{display:none;}
  .search-box{flex:1 1 auto;}
  .site-header .btn-glow{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:48px 0 42px;}
  .page-hero__grid{grid-template-columns:1fr;gap:28px;align-items:start;}
  .section{padding:64px 0;}
  .process-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .process-item:nth-child(2){border-right:0;}
  .process-item:nth-child(1),
  .process-item:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .brand__text{font-size:15.5px;}
  .search-box{display:none;}
  .channel-nav{padding:7px 0;}
  .site-header.is-condensed .channel-nav{padding:7px 0;}
  .channel-link{font-size:14px;padding:6px 12px;}
  .page-hero{padding:38px 0 34px;}
  .section{padding:52px 0;}
  .card-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .process-band{grid-template-columns:1fr;}
  .process-item{border-right:0;border-bottom:1px solid var(--line);}
  .process-item:last-child{border-bottom:0;}
  .cta-band{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;text-align:left;}
  .g-card{box-shadow:0 6px 20px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.05);}
}
@media (max-width:575.98px){
  .hero-actions .btn-glow,
  .hero-actions .btn-ghost{width:100%;}
  .hero-stat{padding:15px;}
  .hero-stat__num{font-size:23px;}
  .filter-bar__meta{margin-left:0;width:100%;}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .site-header,.g-card,.side-card,.table-wrap,.process-band,.cta-band,.faq-item,.hero-stat,.drawer__panel{
    background:#0E1A28;
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
  }
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060B12;
  --bg-1:#0B1524;
  --glass:rgba(16,28,42,.58);
  --glass-solid:#0E1A28;
  --overlay:rgba(10,18,30,.92);
  --c-primary:#35D6C0;
  --c-primary-soft:rgba(53,214,192,.12);
  --c-primary-line:rgba(53,214,192,.35);
  --c-secondary:#3A7BFD;
  --c-hot:#FF9A3D;
  --c-danger:#FF6B6B;
  --t-primary:#EAF2F8;
  --t-secondary:#A9B8C9;
  --t-muted:#748699;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.18);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-card-hover:0 14px 40px rgba(0,0,0,.45);
  --container:1240px;
  --sec-pad:96px;

  --bs-body-bg:#060B12;
  --bs-body-color:#EAF2F8;
  --bs-primary:#35D6C0;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:18px;
  --bs-link-color:#35D6C0;
  --bs-link-hover-color:#6ee7d7;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-primary);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out, opacity .2s ease-out;}
a:hover{color:#6ee7d7;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){ .container{max-width:1320px;} }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,11,18,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s ease-out, background .24s ease-out;
}
.site-header.is-condensed .brand-bar{
  height:0;
  opacity:0;
  overflow:hidden;
  pointer-events:none;
}
.site-header.is-condensed{
  box-shadow:0 10px 30px rgba(0,0,0,.45);
  background:rgba(6,11,18,.94);
}
.site-header.is-condensed .channel-bar{
  border-bottom:1px solid rgba(53,214,192,.28);
  box-shadow:0 1px 0 rgba(53,214,192,.18);
}

.brand-bar{
  height:58px;
  transition:height .26s ease-out, opacity .22s ease-out;
}
.brand-bar__inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:100%;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--t-primary);
}
.brand:hover{color:var(--t-primary);}
.brand__mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  color:#04140F;
  font-weight:700;
  font-size:17px;
  box-shadow:0 6px 18px -6px rgba(53,214,192,.7);
}
.brand__text{
  font-size:16px;
  font-weight:700;
  white-space:nowrap;
}
.hot-strip{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
  padding:4px 2px;
}
.hot-strip::-webkit-scrollbar{display:none;}
.hot-strip__label{
  font-size:12px;
  color:var(--t-muted);
  flex-shrink:0;
  letter-spacing:.08em;
}
.hot-chip{
  flex-shrink:0;
  font-size:13px;
  color:var(--t-secondary);
  padding:3px 10px;
  border-radius:var(--r-badge);
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  transition:all .2s ease-out;
}
.hot-chip:hover{
  color:#04140F;
  background:var(--c-primary);
  border-color:var(--c-primary);
}
.hot-chip--hot{color:var(--c-hot);border-color:rgba(255,154,61,.3);background:rgba(255,154,61,.12);}
.hot-chip--hot:hover{background:var(--c-hot);color:#1a0e02;border-color:var(--c-hot);}

.search-box{
  display:flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
  width:230px;
  height:38px;
  padding:0 6px 0 12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--r-input);
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.search-box:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(53,214,192,.18);
}
.search-box i{color:var(--t-muted);font-size:13px;}
.search-box input{
  flex:1;min-width:0;
  background:transparent;border:0;outline:none;
  color:var(--t-primary);font-size:13px;
}
.search-box input::placeholder{color:var(--t-muted);}
.search-box button{
  border:0;background:transparent;color:var(--t-secondary);
  font-size:13px;padding:4px 6px;border-radius:6px;cursor:pointer;
}
.search-box button:hover{color:var(--c-primary);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:500;
  padding:10px 20px;
  min-height:42px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s ease-out;
  white-space:nowrap;
}
.btn-glow{
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  color:#04140F;
  font-weight:700;
  box-shadow:0 0 0 1px rgba(53,214,192,.45), 0 8px 24px -6px rgba(53,214,192,.55);
}
.btn-glow:hover{
  color:#04140F;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(53,214,192,.5), 0 12px 32px -6px rgba(53,214,192,.7);
}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--border-strong);
  color:var(--t-primary);
}
.btn-ghost:hover{
  border-color:rgba(53,214,192,.6);
  color:#8ff0e4;
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.brand-bar__cta{font-size:13px;min-height:38px;padding:8px 16px;flex-shrink:0;}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--t-primary);
  font-size:16px;
  cursor:pointer;
}

.channel-bar{
  border-top:1px solid var(--border);
  transition:border-color .24s ease-out, box-shadow .24s ease-out;
}
.channel-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:44px;
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  flex-shrink:0;
  font-size:14px;
  font-weight:500;
  color:var(--t-secondary);
  padding:10px 14px;
  border-radius:8px;
  transition:color .2s ease-out, background .2s ease-out;
}
.channel-link:hover{color:var(--t-primary);background:rgba(255,255,255,.05);}
.channel-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);}
.channel-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--c-primary);
  box-shadow:0 0 10px rgba(53,214,192,.8);
}
.more-drop{position:relative;flex-shrink:0;}
.more-drop summary{
  list-style:none;
  cursor:pointer;
  font-size:13px;
  color:var(--t-muted);
  padding:8px 12px;
  border-radius:8px;
  border:1px solid var(--border);
}
.more-drop summary::-webkit-details-marker{display:none;}
.more-drop summary:hover{color:var(--t-primary);border-color:var(--border-strong);}
.more-drop__menu{
  position:absolute;right:0;top:calc(100% + 8px);
  min-width:160px;
  padding:8px;
  border-radius:12px;
  background:var(--overlay);
  border:1px solid var(--border);
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  z-index:20;
}
.more-drop__menu a{
  display:block;
  padding:8px 10px;
  font-size:13px;
  color:var(--t-secondary);
  border-radius:8px;
}
.more-drop__menu a:hover{color:var(--c-primary);background:rgba(53,214,192,.1);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:1040;
  background:var(--overlay);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:24px 22px 40px;
  overflow-y:auto;
}
.mobile-drawer[hidden]{display:none;}
.mobile-drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;border-bottom:1px solid var(--border);
}
.mobile-drawer__close{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--t-primary);font-size:16px;cursor:pointer;
}
.mobile-drawer__title{
  font-size:16px;font-weight:700;
}
.mobile-drawer__nav{
  display:flex;flex-direction:column;gap:6px;
  margin-top:18px;
}
.mobile-drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;
  border-radius:12px;
  color:var(--t-secondary);
  font-size:15px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--border);
}
.mobile-drawer__nav a:hover,.mobile-drawer__nav a.is-active{
  color:var(--c-primary);
  border-color:var(--c-primary-line);
  background:var(--c-primary-soft);
}
.mobile-drawer__block{margin-top:24px;}
.mobile-drawer__block h4{
  font-size:13px;color:var(--t-muted);font-weight:500;margin-bottom:10px;letter-spacing:.08em;
}
.mobile-drawer__chips{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section--alt{background:var(--bg-1);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;
  color:var(--c-primary);
  margin-bottom:14px;
}
.section-kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--c-primary);
}
.section-title{font-size:32px;line-height:1.35;}
.section-title::before{
  content:"";display:block;width:4px;height:22px;border-radius:2px;
  background:var(--c-primary);margin-bottom:14px;
}
.section-head--center .section-title::before{margin-left:auto;margin-right:auto;}
.section-desc{margin-top:14px;color:var(--t-secondary);font-size:15.5px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--t-muted);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb-nav a{color:rgba(53,214,192,.75);}
.breadcrumb-nav a:hover{color:var(--c-primary);}
.breadcrumb-sep{color:var(--t-muted);opacity:.7;}
.breadcrumb-current{color:var(--t-secondary);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 68px;
  background:var(--bg-0);
  border-bottom:1px solid var(--border);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
  opacity:.34;
}
.page-hero__bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(6,11,18,.96) 18%, rgba(6,11,18,.72) 58%, rgba(6,11,18,.9) 100%);
}
.page-hero__glow{
  position:absolute;
  width:420px;height:420px;
  right:-90px;top:-140px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(53,214,192,.28), rgba(53,214,192,0) 68%);
  pointer-events:none;
}
.page-hero__grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.page-hero__inner{position:relative;z-index:2;max-width:880px;}
.page-hero__title{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.28;
  margin-bottom:16px;
}
.page-hero__title em{
  font-style:normal;
  color:var(--c-primary);
}
.page-hero__desc{
  color:var(--t-secondary);
  font-size:16px;
  max-width:720px;
}
.page-hero__meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:22px;
}
.meta-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;
  color:var(--t-secondary);
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-badge);
  padding:6px 11px;
}
.meta-pill i{color:var(--c-primary);font-size:12px;}
.page-hero__actions{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:28px;
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  background:var(--bg-1);
  border-bottom:1px solid var(--border);
  position:relative;
  z-index:3;
}
.filter-bar__inner{
  display:flex;align-items:center;gap:16px;
  padding-top:14px;padding-bottom:14px;
  flex-wrap:wrap;
}
.filter-bar__label{
  font-size:12.5px;color:var(--t-muted);letter-spacing:.1em;flex-shrink:0;
}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  font-size:13px;
  color:var(--t-secondary);
  padding:6px 14px;
  border-radius:var(--r-badge);
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  transition:all .2s ease-out;
}
.chip:hover{color:var(--t-primary);border-color:var(--border-strong);}
.chip.is-active{
  color:#04140F;
  background:var(--c-primary);
  border-color:var(--c-primary);
  font-weight:700;
}

/* ---------- 准备清单卡片 ---------- */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.prep-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease-out, border-color .22s ease-out, box-shadow .22s ease-out;
}
.prep-card:hover{
  transform:translateY(-4px);
  border-color:var(--c-primary-line);
  box-shadow:var(--sh-card-hover);
}
.prep-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--c-primary-soft);
  border:1px solid var(--c-primary-line);
  color:var(--c-primary);
  font-size:17px;
  margin-bottom:16px;
}
.prep-card h3{font-size:17px;margin-bottom:9px;}
.prep-card p{font-size:14px;color:var(--t-secondary);line-height:1.8;}

/* ---------- 步骤流 ---------- */
.step-flow{
  position:relative;
  max-width:900px;
}
.step-flow::before{
  content:"";
  position:absolute;
  left:23px;top:14px;bottom:14px;
  width:2px;border-radius:2px;
  background:linear-gradient(180deg, rgba(53,214,192,.75), rgba(58,123,253,.4) 62%, rgba(255,255,255,.05));
}
.step-item{
  position:relative;
  padding-left:76px;
  padding-bottom:30px;
}
.step-item:last-child{padding-bottom:0;}
.step-node{
  position:absolute;
  left:0;top:2px;
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(53,214,192,.1);
  border:1px solid var(--c-primary-line);
  color:var(--c-primary);
  font-weight:700;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  transition:all .22s ease-out;
}
.step-item:hover .step-node{
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(53,214,192,.4), 0 8px 22px -6px rgba(53,214,192,.6);
}
.step-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .22s ease-out, transform .22s ease-out, box-shadow .22s ease-out;
}
.step-item:hover .step-card{
  border-color:var(--c-primary-line);
  transform:translateX(4px);
  box-shadow:var(--sh-card-hover);
}
.step-card__top{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;margin-bottom:12px;flex-wrap:wrap;
}
.step-card h3{font-size:18.5px;}
.step-tag{
  font-size:12px;
  color:var(--c-hot);
  background:rgba(255,154,61,.14);
  border-radius:var(--r-badge);
  padding:3px 9px;
  flex-shrink:0;
}
.step-card > p{color:var(--t-secondary);font-size:14.6px;}
.check-list{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 22px;
}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:14px;
  color:var(--t-secondary);
  line-height:1.8;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:12px;height:12px;
  border-radius:4px;
  background:var(--c-primary-soft);
  border:1px solid var(--c-primary-line);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:4px;top:12px;
  width:4px;height:6px;
  border-right:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);
  transform:rotate(42deg);
}
.step-meta{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;
  font-size:12.5px;
  color:var(--t-muted);
  font-variant-numeric:tabular-nums;
}
.step-meta i{color:var(--c-secondary);}

/* ---------- 图文横条 ---------- */
.banner-strip{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--sh-card);
  margin-bottom:44px;
}
.banner-strip img{
  width:100%;
  aspect-ratio:21/7;
  object-fit:cover;
}
.banner-strip__mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(6,11,18,.88) 6%, rgba(6,11,18,.45) 55%, rgba(6,11,18,.72) 100%);
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:0 40px;
}
.banner-strip__mask h3{font-size:22px;margin-bottom:8px;}
.banner-strip__mask p{font-size:14px;color:var(--t-secondary);max-width:520px;}

/* ---------- 对比表 ---------- */
.table-wrap{
  border-radius:var(--r-card);
  border:1px solid var(--border);
  background:var(--glass);
  overflow-x:auto;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
table.cmp-table{
  width:100%;
  min-width:660px;
  border-collapse:collapse;
  font-size:14.4px;
}
.cmp-table thead th{
  text-align:left;
  font-size:13.5px;
  color:var(--t-primary);
  font-weight:700;
  padding:16px 20px;
  background:rgba(53,214,192,.08);
  border-bottom:1px solid rgba(53,214,192,.2);
  white-space:nowrap;
}
.cmp-table tbody td{
  padding:16px 20px;
  color:var(--t-secondary);
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr{transition:background .2s ease-out;}
.cmp-table tbody tr:hover{background:rgba(53,214,192,.06);}
.cmp-table tbody td:first-child{
  color:var(--t-primary);
  font-weight:500;
}
.table-note{margin-top:14px;font-size:13px;color:var(--t-muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--glass);
  overflow:hidden;
  transition:border-color .22s ease-out;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.faq-item.open{border-color:rgba(53,214,192,.35);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  background:transparent;border:0;
  color:var(--t-primary);
  font-size:16px;font-weight:500;
  text-align:left;cursor:pointer;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q__icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:8px;
  border:1px solid var(--border);
  color:var(--c-primary);
  font-size:13px;
  transition:transform .24s ease-out, background .24s ease-out;
}
.faq-item.open .faq-q__icon{
  transform:rotate(180deg);
  background:var(--c-primary-soft);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease-out;
}
.faq-a__inner{
  padding:0 22px 20px 22px;
  font-size:14.6px;
  line-height:1.85;
  color:var(--t-secondary);
  border-left:3px solid transparent;
}
.faq-item.open .faq-a__inner{
  border-left:3px solid var(--c-primary);
  margin-left:0;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  border-radius:var(--r-card);
  border:1px solid rgba(53,214,192,.26);
  background:
    radial-gradient(600px 200px at 12% 0%, rgba(53,214,192,.16), transparent 70%),
    radial-gradient(500px 220px at 92% 100%, rgba(58,123,253,.16), transparent 72%),
    var(--glass);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:var(--t-secondary);max-width:640px;}
.cta-band__actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.text-link{
  font-size:14px;
  color:var(--t-secondary);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease-out, transform .2s ease-out;
}
.text-link:hover{color:var(--c-primary);transform:translateX(3px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--border);
  padding:64px 0 28px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid var(--border);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
}
.footer-brand__mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,#35D6C0,#3A7BFD);
  color:#04140F;font-weight:700;font-size:17px;
}
.footer-brand__text{font-size:16px;font-weight:700;}
.footer-desc{
  font-size:14px;color:var(--t-secondary);line-height:1.85;max-width:340px;
}
.footer-title{
  font-size:14px;font-weight:700;margin-bottom:16px;color:var(--t-primary);
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  font-size:14px;color:var(--t-secondary);
  width:fit-content;
  transition:color .2s ease-out, transform .2s ease-out;
}
.footer-links a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-note{
  font-size:13.5px;color:var(--t-secondary);line-height:2;
}
.footer-note strong{color:var(--t-primary);font-weight:500;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:var(--t-muted);
}

/* ---------- 降级 ---------- */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .prep-card,.step-card,.faq-item,.table-wrap,.cta-band,.meta-pill{background:var(--glass-solid);}
  .site-header{background:#070D16;}
  .mobile-drawer{background:#070D16;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1400px){
  :root{--container:1200px;}
}
@media (max-width:1200px){
  :root{--sec-pad:80px;--container:100%;}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .search-box{width:180px;}
}
@media (max-width:992px){
  :root{--sec-pad:72px;}
  .brand-bar{height:54px;}
  .hot-strip{display:none;}
  .search-box{display:none;}
  .brand-bar__cta{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .section-title{font-size:28px;}
  .cta-band{padding:34px 30px;}
  .banner-strip__mask{padding:0 28px;}
}
@media (max-width:768px){
  :root{--sec-pad:56px;}
  body{font-size:15.5px;}
  .section-title{font-size:23px;}
  .page-hero{padding:44px 0 48px;}
  .page-hero__title{font-size:26px;}
  .prep-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .step-item{padding-left:62px;padding-bottom:22px;}
  .step-flow::before{left:20px;}
  .step-node{width:42px;height:42px;border-radius:12px;font-size:14px;}
  .step-card{padding:20px 18px;}
  .step-item:hover .step-card{transform:none;}
  .banner-strip img{aspect-ratio:16/9;}
  .banner-strip__mask{padding:0 20px;}
  .banner-strip__mask h3{font-size:18px;}
  .banner-strip__mask p{font-size:13px;}
  .cta-band{padding:26px 20px;border-radius:16px;}
  .cta-band h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left;}
  .prep-card,.step-card{backdrop-filter:none;-webkit-backdrop-filter:none;}
  .site-header{backdrop-filter:blur(10px) saturate(130%);}
  .site-header.is-condensed .channel-bar{min-height:52px;}
}
@media (max-width:576px){
  .container{padding-left:18px;padding-right:18px;}
  .filter-bar__inner{gap:10px;}
  .cmp-table thead th,.cmp-table tbody td{padding:13px 15px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a__inner{padding:0 18px 18px 18px;}
}

/* roulang page: category4 */
:root{
  --bs-body-bg:#060B12;
  --bs-body-color:#EAF2F8;
  --bs-primary:#35D6C0;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-link-color:#35D6C0;
  --bs-link-hover-color:#5EE7D4;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;

  --bg:#060B12;
  --bg-alt:#0B1524;
  --glass:rgba(16,28,42,.58);
  --glass-solid:#0E1A28;
  --overlay:rgba(10,18,30,.92);
  --primary:#35D6C0;
  --primary-15:rgba(53,214,192,.15);
  --primary-35:rgba(53,214,192,.35);
  --primary-55:rgba(53,214,192,.55);
  --secondary:#3A7BFD;
  --accent:#FF9A3D;
  --accent-15:rgba(255,154,61,.15);
  --danger:#FF6B6B;
  --text:#EAF2F8;
  --text-2:#A9B8C9;
  --text-3:#748699;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.18);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-hover:0 14px 40px rgba(0,0,0,.45);
  --ease:220ms ease-out;
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 480px at 10% -12%, rgba(53,214,192,.10), transparent 64%),
    radial-gradient(760px 440px at 94% 2%, rgba(58,123,253,.10), transparent 62%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:#5EE7D4;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1320px;}}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--primary);color:#04140F;padding:10px 18px;border-radius:0 0 10px 0;font-weight:600;
}
.skip-link:focus{left:0;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  transition:box-shadow var(--ease);
}
.brand-bar{
  background:rgba(6,11,18,.86);
  border-bottom:1px solid var(--border);
  max-height:120px;
  overflow:hidden;
  transition:max-height .26s ease-out, opacity .2s ease-out, padding .26s ease-out;
}
.brand-bar__inner{
  display:flex;align-items:center;gap:18px;
  padding-top:12px;padding-bottom:12px;
}
.brand{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  color:var(--text);font-weight:700;font-size:16px;
}
.brand:hover{color:var(--text);}
.brand__mark{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(53,214,192,.90),rgba(58,123,253,.85));
  color:#04140F;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(53,214,192,.45), 0 8px 20px -8px rgba(53,214,192,.6);
}
.brand__text{white-space:nowrap;}
.hot-roll{
  display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:0;
}
.hot-roll__label{
  flex:0 0 auto;font-size:12px;color:var(--accent);
  background:var(--accent-15);border-radius:var(--r-badge);
  padding:3px 8px;letter-spacing:.06em;
}
.hot-roll__track{
  display:flex;gap:8px;overflow:hidden;white-space:nowrap;
}
.hot-chip{
  flex:0 0 auto;font-size:13px;color:var(--text-2);
  padding:5px 12px;border-radius:var(--r-badge);
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  transition:all var(--ease);
}
.hot-chip:hover{
  color:var(--primary);border-color:var(--primary-35);
  background:var(--primary-15);
}
.nav-search{
  position:relative;flex:0 0 250px;display:flex;align-items:center;
}
.nav-search input{
  width:100%;height:42px;padding:0 44px 0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--r-input);
  color:var(--text);font-size:14px;
  transition:all var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(53,214,192,.18);
  background:rgba(255,255,255,.06);
}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;border-radius:8px;
  background:transparent;color:var(--text-3);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.nav-search button:hover{color:var(--primary);background:var(--primary-15);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:#04140F;
  background:linear-gradient(120deg,var(--primary),var(--secondary));
  box-shadow:0 0 0 1px rgba(53,214,192,.45), 0 8px 24px -6px rgba(53,214,192,.55);
  transition:all var(--ease);white-space:nowrap;
}
.btn-glow:hover{
  color:#04140F;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(53,214,192,.55), 0 12px 32px -6px rgba(53,214,192,.65);
}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--text);
  background:transparent;border:1px solid var(--border-strong);
  transition:all var(--ease);
}
.btn-ghost:hover{
  color:var(--text);border-color:var(--primary-55);
  background:rgba(53,214,192,.08);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-input);
  border:1px solid var(--border);background:rgba(255,255,255,.04);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all var(--ease);}

/* 频道条 */
.channel-bar{
  background:rgba(8,14,24,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:background var(--ease), border-color var(--ease);
}
.channel-bar__inner{
  display:flex;align-items:center;gap:10px;
  padding-top:9px;padding-bottom:9px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;
}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel-nav{display:flex;gap:6px;align-items:center;white-space:nowrap;}
.channel-link{
  display:inline-block;font-size:14.5px;font-weight:500;
  color:var(--text-2);padding:7px 14px;border-radius:var(--r-input);
  border:1px solid transparent;transition:all var(--ease);
}
.channel-link:hover{
  color:var(--text);background:rgba(255,255,255,.05);
}
.channel-link.is-active{
  color:var(--primary);background:var(--primary-15);
  border-color:var(--primary-35);
}
.site-header.is-stuck .brand-bar{
  max-height:0;opacity:0;padding-top:0;padding-bottom:0;border-bottom-color:transparent;
}
.site-header.is-stuck .channel-bar{
  background:rgba(8,14,24,.90);
  border-bottom-color:var(--primary-35);
  box-shadow:0 10px 30px -18px rgba(53,214,192,.7);
}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1060;
  background:var(--overlay);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:24px 20px;
  transform:translateY(-100%);
  opacity:0;visibility:hidden;
  transition:transform .28s ease-out, opacity .24s ease-out, visibility .28s;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer__close{
  width:40px;height:40px;border-radius:var(--r-input);
  border:1px solid var(--border);background:rgba(255,255,255,.04);
  color:var(--text);font-size:18px;cursor:pointer;
}
.drawer__nav{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;}
.drawer__nav a{
  display:block;padding:14px 16px;border-radius:var(--r-input);
  color:var(--text);font-size:16px;font-weight:500;
  border:1px solid var(--border);background:rgba(255,255,255,.03);
}
.drawer__nav a.is-active{color:var(--primary);border-color:var(--primary-35);background:var(--primary-15);}
.drawer__title{font-size:13px;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px;}
.drawer__chips{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(6,11,18,.62),rgba(6,11,18,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
  padding:44px 0 52px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 240px at 82% 0%, rgba(53,214,192,.16), transparent 68%),
    radial-gradient(420px 220px at 8% 100%, rgba(58,123,253,.14), transparent 70%);
}
.page-hero__inner{position:relative;z-index:2;}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb-nav a{color:rgba(53,214,192,.75);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--text-2);}
.page-hero__title{
  font-size:clamp(30px,4vw,46px);
  margin-bottom:16px;
}
.page-hero__desc{
  font-size:16.5px;color:var(--text-2);max-width:640px;line-height:1.85;
}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.meta-pill{
  font-size:13px;color:var(--primary);
  background:var(--primary-15);border:1px solid var(--primary-35);
  border-radius:var(--r-badge);padding:5px 12px;
}
.meta-pill--accent{color:var(--accent);background:var(--accent-15);border-color:rgba(255,154,61,.35);}
.page-hero__thumb{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--sh-card);
}
.page-hero__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 筛选条 ============ */
.filter-bar{
  background:var(--bg-alt);
  border-bottom:1px solid var(--border);
  padding:16px 0;
}
.filter-bar__inner{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-bar__inner::-webkit-scrollbar{display:none;}
.filter-chip{
  flex:0 0 auto;font-size:13.5px;color:var(--text-2);
  padding:7px 15px;border-radius:var(--r-badge);
  border:1px solid var(--border);background:rgba(255,255,255,.03);
  transition:all var(--ease);white-space:nowrap;
}
.filter-chip:hover{color:var(--text);border-color:var(--border-strong);}
.filter-chip.is-active{
  color:var(--primary);border-color:var(--primary-35);background:var(--primary-15);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;
  color:var(--primary);background:var(--primary-15);
  border-radius:var(--r-badge);padding:4px 10px;margin-bottom:14px;
}
.section-title{
  font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;position:relative;padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
}
.section-sub{color:var(--text-2);font-size:15.5px;line-height:1.9;}

/* ============ 对比表 ============ */
.table-shell{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--border);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
.table-scroll{overflow-x:auto;}
table.compare-table{
  width:100%;min-width:880px;border-collapse:collapse;font-size:14.5px;
}
.compare-table thead th{
  text-align:left;font-weight:600;font-size:13.5px;letter-spacing:.04em;
  color:var(--text-2);background:rgba(255,255,255,.05);
  padding:16px 20px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.compare-table tbody td{
  padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);
  color:var(--text-2);vertical-align:top;line-height:1.8;
  transition:background var(--ease), color var(--ease);
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:rgba(53,214,192,.07);color:var(--text);}
.compare-table td:first-child{color:var(--text);font-weight:600;}
.tag-time{
  display:inline-block;font-size:12.5px;color:var(--accent);
  background:var(--accent-15);border-radius:var(--r-badge);padding:3px 9px;
  font-variant-numeric:tabular-nums;
}
.tag-soft{
  display:inline-block;font-size:12.5px;color:var(--primary);
  background:var(--primary-15);border-radius:var(--r-badge);padding:3px 9px;
}
.table-note{
  margin-top:16px;font-size:13.5px;color:var(--text-3);
}

/* ============ 清单 ============ */
.check-list{display:grid;gap:14px;}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
  border:1px solid var(--border);
  transition:all var(--ease);
}
.check-item:hover{
  border-color:var(--primary-35);background:rgba(53,214,192,.06);
  transform:translateX(4px);
}
.check-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-15);color:var(--primary);
  font-size:14px;font-weight:700;line-height:1;margin-top:2px;
}
.check-body h3{font-size:16.5px;margin-bottom:6px;}
.check-body p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ============ 疑问分类行 ============ */
.topic-list{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--border);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.topic-row{
  display:flex;align-items:center;gap:20px;
  padding:24px 26px;
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background var(--ease);
}
.topic-row:last-child{border-bottom:0;}
.topic-row:hover{background:rgba(53,214,192,.06);}
.topic-mark{
  flex:0 0 auto;width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--primary);
  background:rgba(53,214,192,.10);border:1px solid var(--primary-35);
  letter-spacing:.02em;
}
.topic-main{flex:1 1 auto;min-width:0;}
.topic-main h3{font-size:16.5px;margin-bottom:6px;}
.topic-main p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.topic-link{
  flex:0 0 auto;font-size:14px;color:var(--primary);white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.topic-link span{transition:transform var(--ease);}
.topic-link:hover span{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border-radius:var(--r-card);border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  overflow:hidden;transition:border-color var(--ease), background var(--ease);
}
.faq-item.is-open{border-color:var(--primary-35);background:rgba(53,214,192,.05);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:500;text-align:left;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);color:var(--text-2);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform var(--ease), background var(--ease), color var(--ease);
}
.faq-item.is-open .faq-mark{
  transform:rotate(180deg);background:var(--primary-15);color:var(--primary);
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease-out;
}
.faq-a__inner{
  padding:0 24px 22px 24px;
  border-left:3px solid transparent;
  margin-left:24px;padding-left:18px;
  color:var(--text-2);font-size:15px;line-height:1.85;
}
.faq-item.is-open .faq-a__inner{border-left-color:var(--primary);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(53,214,192,.14), transparent 68%),
    radial-gradient(520px 280px at 88% 100%, rgba(58,123,253,.14), transparent 70%),
    var(--bg-alt);
  padding:64px 0;
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-text-link{
  font-size:15px;color:var(--text-2);border-bottom:1px solid transparent;
  padding-bottom:2px;transition:all var(--ease);
}
.cta-text-link:hover{color:var(--primary);border-bottom-color:var(--primary);}

/* ============ 页脚 ============ */
.site-footer{
  background:#050A10;border-top:1px solid var(--border);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand__mark{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(53,214,192,.9),rgba(58,123,253,.85));
  color:#04140F;font-weight:800;font-size:17px;
}
.footer-brand__text{font-weight:700;font-size:16px;color:var(--text);}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.9;max-width:360px;}
.footer-title{
  font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:var(--text-3);transition:all var(--ease);display:inline-block;
}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:2;}
.footer-note strong{color:var(--text-2);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hot-roll{display:none;}
  .nav-search{flex:1 1 auto;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .brand-bar__inner{padding-top:10px;padding-bottom:10px;gap:12px;}
  .brand__text{font-size:15px;}
  .nav-search{display:none;}
  .btn-glow.d-none-mobile{display:none;}
  .nav-toggle{display:flex;}
  .topic-row{padding:20px;gap:14px;}
  .topic-link{display:none;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .page-hero{padding:32px 0 40px;}
  .page-hero__desc{font-size:15.5px;}
  .brand-bar{max-height:90px;}
  .site-header.is-stuck .brand-bar{max-height:0;}
  .channel-bar__inner{padding-top:7px;padding-bottom:7px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;text-align:center;align-items:center;}
  .cta-band{padding:48px 0;}
  .topic-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-a__inner{margin-left:0;padding-left:14px;}
  .check-item{padding:18px 18px;gap:12px;}
  .compare-table thead th,.compare-table tbody td{padding:14px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .channel-bar,.table-shell,.topic-list,.drawer{background:var(--glass-solid);}
}