/* roulang page: index */
:root{
  --bg-0:#050a12;
  --bg-1:#0a1322;
  --bg-2:#101c30;
  --brand:#c8fb4f;
  --brand-deep:#9ed22f;
  --accent:#9b6bff;
  --warn:#f5b544;
  --text-1:#e9f1ff;
  --text-2:#a6b6cd;
  --text-3:#6d7f97;
  --line:rgba(255,255,255,.08);
  --line-brand:rgba(200,251,79,.45);
  --line-purple:rgba(155,107,255,.4);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:999px;
  --shadow-soft:0 10px 30px rgba(0,0,0,.35);
  --shadow-deep:0 18px 40px rgba(0,0,0,.45);
  --glow-lime:0 0 24px rgba(200,251,79,.30);
  --glow-lime-strong:0 0 28px rgba(200,251,79,.45);
  --container:1200px;
  --gap-sec:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  position:relative;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(620px 420px at 10% -4%, rgba(200,251,79,.10), transparent 70%),
    radial-gradient(760px 520px at 92% 6%, rgba(155,107,255,.13), transparent 72%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(200,251,79,.28)}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.site-main{position:relative;z-index:1}
section{padding:var(--gap-sec) 0}
.glass{
  background:linear-gradient(180deg, rgba(16,28,48,.82), rgba(10,19,34,.72));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04), var(--shadow-soft);
}
.card-hover{transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out}
.card-hover:hover{transform:translateY(-4px);border-color:var(--line-brand);box-shadow:var(--glow-lime), var(--shadow-deep)}
.card-hover:hover .card-title{color:var(--brand)}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:76px;
  display:flex;
  align-items:center;
  background:rgba(6,12,22,.35);
  border-bottom:1px solid transparent;
  transition:height .25s ease, background .25s ease, border-color .25s ease;
}
.site-header.is-stuck{
  height:60px;
  background:rgba(6,12,22,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:-.2px;white-space:nowrap}
.logo:hover{color:var(--text-1)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#7ee2b8);display:grid;place-items:center;color:#08111f;font-size:14px;font-weight:800;flex:0 0 34px}
.logo em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link-x{position:relative;font-size:15px;color:var(--text-2);padding:6px 2px}
.nav-link-x::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link-x:hover{color:var(--text-1)}
.nav-link-x:hover::after,.nav-link-x.active::after{transform:scaleX(1)}
.nav-link-x.active{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-1);
  align-items:center;justify-content:center;
  cursor:pointer;
  transition:border-color .2s ease, color .2s ease;
}
.nav-toggle:hover{border-color:var(--line-brand);color:var(--brand)}
.nav-drawer{
  position:fixed;
  top:76px;left:12px;right:12px;
  z-index:1035;
  padding:12px;
  border-radius:var(--radius-card);
  display:none;
}
.nav-drawer.open{display:block;animation:fadeDown .28s ease-out}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--radius-sm);
  color:var(--text-2);font-size:15px;
}
.nav-drawer a:hover{background:rgba(200,251,79,.08);color:var(--brand)}
.nav-drawer a.active{color:var(--brand);background:rgba(200,251,79,.08)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ============ 按钮 ============ */
.btn-lime,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  font-size:15px;font-weight:700;border-radius:var(--radius-btn);
  cursor:pointer;transition:filter .2s ease, box-shadow .2s ease, background .2s ease, transform .1s ease, border-color .2s ease;
}
.btn-lime{background:var(--brand);color:#08111f;border:1px solid transparent}
.btn-lime:hover{background:var(--brand);color:#08111f;filter:brightness(1.06);box-shadow:var(--glow-lime-strong)}
.btn-lime:active{transform:translateY(1px)}
.btn-lime:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid rgba(200,251,79,.6)}
.btn-ghost:hover{background:rgba(200,251,79,.10);color:var(--brand);border-color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-sm-x{min-height:40px;padding:0 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(200,251,79,.35);background:rgba(200,251,79,.10);color:var(--brand);
}
.chip-purple{border-color:var(--line-purple);background:rgba(155,107,255,.13);color:#c4aaff}
.chip-gray{border-color:var(--line);background:rgba(255,255,255,.05);color:var(--text-2)}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.14em;
  color:var(--brand);border:1px solid rgba(200,251,79,.32);background:rgba(200,251,79,.07);
  padding:5px 13px;border-radius:999px;margin-bottom:16px;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px}
.sec-title{position:relative;padding-left:16px;font-size:32px;font-weight:700}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand)}
.sec-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:760px}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:132px 0 0;
  min-height:560px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;object-fit:cover;transform:scale(1.02)}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(5,10,18,.96) 0%, rgba(5,10,18,.86) 42%, rgba(5,10,18,.62) 100%),
    linear-gradient(180deg, rgba(5,10,18,.55) 0%, rgba(5,10,18,.96) 100%);
}
.hero-inner{position:relative;z-index:2;padding-bottom:44px}
.hero h1{font-size:48px;line-height:1.24;margin-bottom:20px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;border-radius:3px;background:rgba(200,251,79,.24)}
.hero-sub{color:var(--text-2);font-size:17px;max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-panel{padding:26px;border-radius:var(--radius-card)}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.hero-panel-head strong{font-size:16px}
.status-row{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);margin-bottom:10px}
.status-row:last-child{margin-bottom:0}
.status-row i{width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;font-size:14px;background:rgba(200,251,79,.12);color:var(--brand)}
.status-row .s-txt{flex:1;min-width:0}
.status-row .s-txt strong{display:block;font-size:14px;font-weight:600}
.status-row .s-txt span{display:block;font-size:12px;color:var(--text-3);line-height:1.6}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(200,251,79,.7);flex:0 0 8px}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;
  overflow:hidden;
  margin:0 auto;
  width:100%;max-width:var(--container);
  border-radius:var(--radius-card);
  transform:translateY(36px);
}
.hero-stats .stat{padding:22px 20px;background:rgba(12,22,38,.6)}
.hero-stats .stat strong{display:block;font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.5px;line-height:1.2}
.hero-stats .stat span{display:block;font-size:13px;color:var(--text-3);margin-top:4px}

/* ============ 爆款网格 ============ */
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:20px}
.feat-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-card);padding:16px}
.feat-main{grid-row:span 2;padding:18px}
.feat-main .cover{aspect-ratio:16/10;margin-bottom:18px}
.feat-main .card-title{font-size:22px;margin-bottom:10px}
.feat-main .card-desc{font-size:14px;color:var(--text-2);margin-bottom:16px}
.cover{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius-sm);background:#0e1a2c}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-hover:hover .cover img{transform:scale(1.03)}
.cover-tag{position:absolute;top:10px;left:10px;z-index:2}
.cover-badge{position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(6,12,22,.78);border:1px solid var(--line);color:var(--text-2);font-size:12px;padding:5px 10px;border-radius:999px}
.card-body{display:flex;flex-direction:column;flex:1}
.card-title{font-size:16px;font-weight:600;line-height:1.5;margin:14px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.card-desc{font-size:13px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.card-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}
.feat-card.compact .cover{aspect-ratio:16/10;margin-bottom:0}
.feat-card.compact .card-title{font-size:15px}

/* ============ 最新信息 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-bar a{font-size:13px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);transition:all .2s ease}
.filter-bar a:hover{border-color:var(--line-brand);color:var(--brand);background:rgba(200,251,79,.08)}
.filter-bar a.on{border-color:var(--line-brand);color:var(--brand);background:rgba(200,251,79,.10)}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;gap:18px;padding:20px;border-radius:var(--radius-card);border:1px solid var(--line);background:linear-gradient(180deg, rgba(16,28,48,.7), rgba(10,19,34,.6));transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out}
.news-item:hover{transform:translateY(-3px);border-color:var(--line-brand);box-shadow:var(--glow-lime)}
.news-item-main{flex:1;min-width:0}
.news-title{font-size:17px;font-weight:600;line-height:1.55;margin:12px 0 8px;transition:color .2s ease}
.news-item:hover .news-title{color:var(--brand)}
.news-summary{font-size:13.5px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item-meta{display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;gap:10px;font-size:12px;color:var(--text-3);white-space:nowrap}
.news-item-meta i{color:var(--brand);transition:transform .2s ease}
.news-item:hover .news-item-meta i{transform:translateX(4px)}
.side-card{padding:22px;border-radius:var(--radius-card);margin-bottom:18px}
.side-card h3{font-size:16px;margin-bottom:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:9px}
.tag-list a{font-size:12.5px;padding:6px 13px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03)}
.tag-list a:hover{border-color:var(--line-purple);color:#c4aaff;background:rgba(155,107,255,.12)}
.side-post{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.side-post:last-child{border-bottom:0;padding-bottom:0}
.side-post .thumb{width:74px;height:50px;flex:0 0 74px;border-radius:10px;overflow:hidden;background:#0e1a2c}
.side-post .thumb img{width:100%;height:100%;object-fit:cover}
.side-post h4{font-size:13.5px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-post span{font-size:12px;color:var(--text-3)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:36px 24px;border-radius:var(--radius-card);
}
.empty-state i{font-size:48px;color:rgba(200,251,79,.5)}
.empty-state p{color:var(--text-2);font-size:14px}

/* ============ 评价轮播 ============ */
.review-slide{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{padding:24px;border-radius:var(--radius-card);display:flex;flex-direction:column;height:100%}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{width:52px;height:52px;flex:0 0 52px;border-radius:50%;overflow:hidden;border:1px solid var(--line-brand);background:#0e1a2c}
.avatar img{width:100%;height:100%;object-fit:cover}
.review-name strong{display:block;font-size:15px}
.review-name span{font-size:12px;color:var(--text-3)}
.stars{color:var(--warn);font-size:13px;letter-spacing:2px;margin-bottom:12px}
.review-text{font-size:14px;color:var(--text-2);line-height:1.85;flex:1}
.review-quote{color:rgba(200,251,79,.4);font-size:18px;margin-bottom:6px}
#reviewCarousel .carousel-indicators{position:static;margin:28px 0 0;display:flex;justify-content:center;gap:10px}
#reviewCarousel .carousel-indicators [data-bs-target]{
  width:36px;height:3px;border-radius:2px;background:rgba(255,255,255,.16);
  border:0;opacity:1;margin:0;transition:background .25s ease, box-shadow .25s ease;
}
#reviewCarousel .carousel-indicators .active{background:var(--brand);box-shadow:0 0 12px rgba(200,251,79,.5)}
#reviewCarousel .carousel-control-prev,#reviewCarousel .carousel-control-next{width:46px;height:46px;top:38%;border-radius:50%;background:rgba(10,19,34,.8);border:1px solid var(--line);opacity:1}
#reviewCarousel .carousel-control-prev{left:-6px}
#reviewCarousel .carousel-control-next{right:-6px}
#reviewCarousel .carousel-control-prev:hover,#reviewCarousel .carousel-control-next:hover{border-color:var(--line-brand)}
#reviewCarousel .carousel-control-prev-icon,#reviewCarousel .carousel-control-next-icon{width:14px;height:14px}

/* ============ 保障条 ============ */
.guard-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;overflow:hidden;border-radius:var(--radius-card)}
.guard-item{background:rgba(12,22,38,.62);padding:24px 18px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;transition:background .2s ease}
.guard-item:hover{background:rgba(200,251,79,.07)}
.guard-item i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(200,251,79,.12);color:var(--brand);font-size:16px}
.guard-item strong{font-size:14.5px;font-weight:600}

/* ============ 优势区 ============ */
.adv-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start}
.adv-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#0e1a2c}
.adv-visual img{width:100%;height:100%;min-height:360px;object-fit:cover}
.adv-visual .visual-mask{position:absolute;inset:0;background:linear-gradient(180deg, rgba(5,10,18,.05) 40%, rgba(5,10,18,.92) 100%)}
.adv-visual .visual-foot{position:absolute;left:20px;right:20px;bottom:20px}
.adv-visual .visual-foot strong{display:block;font-size:17px;margin-bottom:6px}
.adv-visual .visual-foot span{font-size:13px;color:var(--text-2)}
.adv-badge{position:absolute;top:16px;left:16px}
.adv-rows{display:flex;flex-direction:column;gap:18px}
.adv-row{display:flex;gap:18px;padding:22px;border-radius:var(--radius-card);border:1px solid var(--line);background:linear-gradient(180deg, rgba(16,28,48,.72), rgba(10,19,34,.6));transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out}
.adv-row:hover{transform:translateY(-4px);border-color:var(--line-brand);box-shadow:var(--glow-lime)}
.adv-row:nth-child(2){margin-left:34px}
.adv-row:nth-child(3){margin-left:68px}
.adv-num{font-size:15px;font-weight:800;color:var(--brand);width:44px;height:44px;flex:0 0 44px;border-radius:12px;display:grid;place-items:center;background:rgba(200,251,79,.10);border:1px solid rgba(200,251,79,.3)}
.adv-row h3{font-size:16.5px;margin-bottom:6px}
.adv-row p{font-size:13.5px;color:var(--text-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:var(--radius-card);border:1px solid var(--line);background:linear-gradient(180deg, rgba(16,28,48,.7), rgba(10,19,34,.58));overflow:hidden;transition:border-color .2s ease, box-shadow .2s ease}
.faq-item:hover{border-color:var(--line-brand);box-shadow:var(--glow-lime)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;background:transparent;border:0;color:var(--text-1);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-3px}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .25s ease, opacity .25s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 20px;color:var(--text-2);font-size:14px;line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:56px 48px;
  background:linear-gradient(120deg, #071022 0%, #0b1830 58%, #0a1a2c 100%);
  border:1px solid var(--line);
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-120px;width:640px;height:340px;transform:translateX(-50%);
  background:radial-gradient(closest-side, rgba(200,251,79,.22), transparent 72%);
  pointer-events:none;
}
.cta-band h2{position:relative;font-size:30px;margin-bottom:14px}
.cta-band p{position:relative;color:var(--text-2);font-size:15px;margin-bottom:28px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.cta-note{position:relative;margin-top:18px;font-size:13px;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand p{color:var(--text-2);font-size:13.5px;line-height:1.85;margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.footer-col a:hover{color:var(--brand)}
.footer-col a i{font-size:10px;color:rgba(200,251,79,.6)}
.footer-form{margin-top:6px}
.footer-form label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.form-control-x{
  flex:1;min-width:170px;min-height:46px;padding:0 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-1);font-size:14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-control-x::placeholder{color:var(--text-3)}
.form-control-x:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,251,79,.16)}
.form-hint{font-size:12px;color:var(--text-3);margin-top:10px}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-bottom span{font-size:12.5px;color:var(--text-3)}
.footer-bottom a{font-size:12.5px;color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:rgba(8,15,26,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{display:flex}
.mobile-tab li{flex:1;min-width:0}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:56px;font-size:10.5px;color:var(--text-3);padding:6px 2px 8px;
}
.mobile-tab a i{font-size:16px}
.mobile-tab a.active{color:var(--brand)}
.mobile-tab a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--container:1020px}
  .hero h1{font-size:42px}
}
@media (max-width:991.98px){
  :root{--gap-sec:72px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn-lime{display:none}
  .hero{padding-top:116px}
  .hero h1{font-size:36px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);transform:translateY(28px)}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feat-main{grid-column:span 2;grid-row:auto}
  .review-slide{grid-template-columns:repeat(2,1fr)}
  .review-slide .review-card:nth-child(n+3){display:none}
  .guard-bar{grid-template-columns:repeat(3,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .adv-row:nth-child(2),.adv-row:nth-child(3){margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sec-title{font-size:28px}
}
@media (max-width:767.98px){
  .mobile-tab{display:block}
  .site-main{padding-bottom:88px}
  .site-footer{padding-bottom:16px}
  .sec-head{margin-bottom:26px;align-items:flex-start}
  .news-item{flex-direction:column;gap:12px}
  .news-item-meta{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
}
@media (max-width:575.98px){
  :root{--gap-sec:56px}
  .container-x{padding:0 16px}
  .nav-wrap{padding:0 16px}
  .hero{padding-top:104px;min-height:480px}
  .hero h1{font-size:27px}
  .hero h1 em{white-space:normal}
  .hero-sub{font-size:15px;margin-bottom:24px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stats .stat{padding:16px 14px}
  .hero-stats .stat strong{font-size:22px}
  .feature-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .feature-grid>*{flex:0 0 82%;scroll-snap-align:start}
  .review-slide{grid-template-columns:1fr}
  .review-slide .review-card:nth-child(n+2){display:none}
  .guard-bar{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:38px 22px}
  .cta-band h2{font-size:23px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%}
  .sec-title{font-size:23px}
  #reviewCarousel .carousel-control-prev,#reviewCarousel .carousel-control-next{display:none}
  .review-slide{gap:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-0:#050b15;
  --bg-1:#0a1424;
  --bg-2:#0f1e33;
  --glass-bg:rgba(16,30,52,.62);
  --glass-bg-strong:rgba(14,26,46,.86);
  --brand:#b6ff3b;
  --brand-2:#8ff01c;
  --brand-soft:rgba(182,255,59,.12);
  --brand-line:rgba(182,255,59,.45);
  --accent:#8b5cf6;
  --accent-soft:rgba(139,92,246,.14);
  --warn:#f5b544;
  --text-1:#e9f2ff;
  --text-2:#a5b6cb;
  --text-3:#6d8099;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.38);
  --shadow-glow:0 0 24px rgba(182,255,59,.22);
  --container:1200px;
  --ease:cubic-bezier(.22,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  overflow-x:hidden;
  padding-bottom:76px;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(30,80,160,.34), transparent 62%),
    radial-gradient(760px 460px at 92% 6%, rgba(139,92,246,.20), transparent 60%),
    radial-gradient(680px 420px at 60% 100%, rgba(182,255,59,.07), transparent 65%);
  pointer-events:none;
  z-index:0;
}
body > *{position:relative;z-index:1;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.5px;line-height:1.35;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(6,13,24,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:height .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,13,24,.92);box-shadow:0 10px 30px rgba(0,0,0,.42);}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:flex;
  align-items:center;
  gap:22px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.3px;white-space:nowrap;}
.logo em{font-style:normal;color:var(--brand);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#06131f;font-weight:800;font-size:17px;
  box-shadow:0 0 18px rgba(182,255,59,.32);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link-x{
  padding:9px 14px;border-radius:var(--radius-pill);
  color:var(--text-2);font-size:15px;white-space:nowrap;
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.nav-link-x:hover{color:var(--text-1);background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft);border-color:var(--brand-line);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);
  cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand);}

/* ============ BUTTONS ============ */
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-pill);
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#07161f;font-weight:700;font-size:15px;border:none;cursor:pointer;
  box-shadow:0 0 0 rgba(182,255,59,0);
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),filter .2s var(--ease);
}
.btn-lime:hover{filter:brightness(1.06);box-shadow:0 0 28px rgba(182,255,59,.42);}
.btn-lime:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-pill);
  background:transparent;border:1px solid var(--brand-line);color:var(--brand);
  font-weight:600;font-size:15px;cursor:pointer;
  transition:background .2s var(--ease),box-shadow .25s var(--ease);
}
.btn-ghost:hover{background:var(--brand-soft);box-shadow:0 0 22px rgba(182,255,59,.18);}
.btn-sm-x{min-height:40px;padding:0 18px;font-size:14px;}

/* ============ BANNER + CRUMB ============ */
.page-banner{
  position:relative;
  padding:44px 0 40px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.32;
  filter:saturate(.9);
}
.page-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,21,.72) 0%,rgba(5,11,21,.94) 100%);
}
.page-banner > .container-x{position:relative;z-index:2;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb-list li{display:inline-flex;align-items:center;gap:8px;}
.crumb-list li + li::before{content:"/";color:var(--text-3);}
.crumb-list a{color:var(--text-2);}
.crumb-list a:hover{color:var(--brand);}
.crumb-list .current{color:var(--text-3);}
.pill-brand{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--brand-soft);border:1px solid var(--brand-line);
  color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.6px;
  margin-bottom:16px;
}
.page-banner h1{
  font-size:clamp(24px,3.4vw,40px);
  line-height:1.3;
  max-width:900px;
  margin-bottom:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:13px;}
.article-meta em{font-style:normal;color:var(--text-2);font-weight:600;}

/* ============ GLASS CARD ============ */
.glass{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.article-card{padding:30px 34px 26px;}
.reading{max-width:780px;margin:0 auto;}

/* ============ ARTICLE BODY ============ */
.article-body{font-size:17px;line-height:1.9;color:var(--text-2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;color:var(--text-2);word-break:break-word;}
.article-body h2{
  position:relative;
  font-size:25px;
  color:var(--text-1);
  margin:40px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:4px;background:var(--brand);
  box-shadow:0 0 14px rgba(182,255,59,.5);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--text-1);margin:30px 0 14px;line-height:1.5;}
.article-body h4{font-size:17px;color:var(--text-1);margin:24px 0 12px;}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(182,255,59,.4);}
.article-body a:hover{color:var(--brand-2);}
.article-body strong{color:var(--text-1);font-weight:700;}
.article-body img{width:100%;height:auto;border-radius:var(--radius-md);margin:24px 0 10px;background:var(--bg-2);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.9;
}
.article-body ol{counter-reset:num;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:num;}
.article-body ol li::before{
  content:counter(num);position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:6px;
  background:var(--brand-soft);border:1px solid var(--brand-line);
  color:var(--brand);font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand);
  background:rgba(182,255,59,.08);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;color:var(--text-2);
}
.article-body th{background:var(--bg-2);color:var(--text-1);}
.article-body code{
  background:rgba(139,92,246,.16);color:#d9c9ff;
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:34px 0;}

/* ============ EMPTY STATE ============ */
.empty-state{
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:40px 20px;
  background:var(--glass-bg);border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
}
.empty-state i{font-size:48px;color:var(--text-3);line-height:1;}
.empty-state p{margin:0;color:var(--text-2);font-size:15px;}

/* ============ TAG ROW ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--text-3);letter-spacing:.5px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--brand-soft);border:1px solid var(--brand-line);
  color:var(--brand);font-size:12px;font-weight:600;
  transition:all .2s var(--ease);
}
.tag-pill.purple{background:var(--accent-soft);border-color:rgba(139,92,246,.42);color:#cbb6ff;}
.tag-pill:hover{transform:translateY(-2px);box-shadow:0 0 18px rgba(182,255,59,.22);}

/* ============ PREV / NEXT ============ */
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;}
.pn-card{
  display:block;padding:20px 22px;border-radius:var(--radius-lg);
  background:var(--glass-bg);border:1px solid var(--line);
  transition:all .2s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:0 0 24px rgba(182,255,59,.18);}
.pn-card .pn-label{font-size:12px;color:var(--text-3);letter-spacing:.6px;display:block;margin-bottom:8px;}
.pn-card h3{font-size:17px;color:var(--text-1);margin-bottom:6px;}
.pn-card:hover h3{color:var(--brand);}
.pn-card p{margin:0;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ============ RELATED ============ */
.section-head{margin:56px 0 22px;}
.section-head h2{font-size:24px;position:relative;padding-left:16px;color:var(--text-1);}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--brand);box-shadow:0 0 14px rgba(182,255,59,.5);
}
.section-head .sub{font-size:13px;color:var(--text-3);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-lg);background:var(--glass-bg);
  border:1px solid var(--line);transition:all .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:0 0 24px rgba(182,255,59,.18);}
.rel-thumb{position:relative;aspect-ratio:16/10;background:var(--bg-2);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:16px 18px 18px;}
.rel-body h3{font-size:16px;margin-bottom:8px;color:var(--text-1);}
.rel-card:hover .rel-body h3{color:var(--brand);}
.rel-body p{margin:0;font-size:13px;color:var(--text-3);line-height:1.75;}

/* ============ SIDEBAR ============ */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-card{padding:22px 22px 24px;}
.side-card h3{
  font-size:16px;color:var(--text-1);margin-bottom:16px;
  padding-left:12px;position:relative;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:3px;background:var(--brand);
}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);line-height:1.6;
  border-left:2px solid transparent;
  transition:all .2s var(--ease);
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand);}
.toc-empty{font-size:13px;color:var(--text-3);padding:8px 12px;}
.reco-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.reco-item:last-child{border-bottom:none;padding-bottom:0;}
.reco-item span.num{
  flex:0 0 26px;height:26px;border-radius:8px;
  background:var(--accent-soft);border:1px solid rgba(139,92,246,.42);
  color:#cbb6ff;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.reco-item a{font-size:14px;color:var(--text-2);line-height:1.65;}
.reco-item a:hover{color:var(--brand);}

/* ============ CTA BAND ============ */
.cta-band{
  margin:70px 0 0;
  padding:56px 0;
  background:linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-40%;transform:translateX(-50%);
  width:820px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,255,59,.16),transparent 66%);
}
.cta-inner{position:relative;z-index:2;text-align:center;}
.cta-inner h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px;}
.cta-inner p{color:var(--text-2);max-width:640px;margin:0 auto 26px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--line);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px;
}
.footer-brand p{margin:16px 0 0;font-size:13.5px;color:var(--text-3);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:var(--text-3);display:inline-flex;align-items:center;gap:8px;}
.footer-col ul a i{font-size:11px;color:var(--brand);opacity:.7;}
.footer-col ul a:hover{color:var(--brand);}
.footer-form label{display:block;font-size:13px;color:var(--text-3);margin-bottom:10px;}
.form-row{display:flex;gap:10px;}
.form-control-x{
  width:100%;min-height:44px;padding:0 14px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-1);font-size:14px;transition:all .2s var(--ease);
}
.form-control-x::placeholder{color:var(--text-3);}
.form-control-x:focus{outline:none;border-color:var(--brand-line);box-shadow:0 0 0 3px rgba(182,255,59,.14);}
.form-hint{font-size:12px;color:var(--text-3);margin:10px 0 0;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ============ MOBILE TABBAR ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:300;
  display:none;
  background:rgba(7,15,27,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar .tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;min-height:58px;font-size:11px;color:var(--text-3);
  position:relative;transition:color .2s var(--ease);
}
.tabbar .tab-item i{font-size:17px;}
.tabbar .tab-item.active{color:var(--brand);}
.tabbar .tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 12px rgba(182,255,59,.7);
}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:991px){
  .nav-links{
    position:absolute;left:16px;right:16px;top:calc(100% + 8px);
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:var(--radius-lg);
    background:var(--glass-bg-strong);border:1px solid var(--line);
    backdrop-filter:blur(16px);box-shadow:var(--shadow-card);
  }
  .nav-links.is-open{display:flex;}
  .nav-link-x{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta .btn-lime{display:none;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .side-sticky{position:static;}
  .article-card{padding:24px 22px 20px;}
}
@media (max-width:767px){
  .nav-wrap{padding:0 18px;height:64px;}
  .container-x{padding:0 18px;}
  .page-banner{padding:30px 0 28px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin:32px 0 14px;}
  .article-body h3{font-size:18px;}
  .prev-next{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-col:last-child{grid-column:auto;}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%;}
  .cta-band{padding:44px 0;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:575px){
  .tabbar{display:flex;}
  body{padding-bottom:80px;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;font-size:15px;border-radius:9px;}
  .article-card{padding:20px 16px 16px;}
  .glass{border-radius:14px;}
  .form-row{flex-direction:column;}
  .form-row .btn-lime{width:100%;}
  .section-head h2{font-size:20px;}
  .page-banner h1{font-size:23px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080f;
  --bg-1:#0a1020;
  --bg-2:#101a2e;
  --brand:#c6ff3d;
  --accent:#8b5cf6;
  --warn:#ffb020;
  --text-1:#eef3fb;
  --text-2:#a9b6cc;
  --text-3:#6c7a92;
  --line:rgba(255,255,255,.08);
  --line-brand:rgba(198,255,61,.45);
  --radius-card:16px;
  --radius-btn:999px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-.3px}
p{margin:0}
button{font-family:inherit}
::selection{background:rgba(198,255,61,.28);color:#fff}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section-x{padding:96px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:76px;display:flex;align-items:center;gap:18px;
  transition:height .25s ease;
}
.site-header.shrink .nav-wrap{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap;color:var(--text-1)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#6ee7b7);
  color:#04140a;font-weight:800;font-size:17px;
  box-shadow:0 0 16px rgba(198,255,61,.35);flex:0 0 auto;
}
.logo em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
.nav-link-x{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;transition:.2s ease;
}
.nav-link-x:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link-x.active{color:var(--brand)}
.nav-link-x.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-1);cursor:pointer;transition:.2s ease;
}
.nav-toggle:hover{border-color:var(--line-brand);color:var(--brand)}

/* ---------- buttons ---------- */
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border:0;border-radius:var(--radius-btn);
  background:var(--brand);color:#0a1400;font-weight:700;font-size:15px;
  cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out;
  box-shadow:0 0 0 rgba(198,255,61,0);
}
.btn-lime:hover{filter:brightness(1.06);box-shadow:0 0 28px rgba(198,255,61,.45);color:#0a1400}
.btn-lime:active{transform:translateY(1px)}
.btn-lime:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-sm-x{min-height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  border:1px solid rgba(198,255,61,.5);background:transparent;color:var(--brand);
  font-weight:600;font-size:15px;cursor:pointer;transition:.2s ease;
}
.btn-ghost:hover{background:rgba(198,255,61,.1);color:var(--brand)}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-ghost.btn-sm-x{min-height:42px;padding:0 18px;font-size:14px}

/* ---------- badges / pills ---------- */
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:1px;color:var(--brand);
  border:1px solid rgba(198,255,61,.35);background:rgba(198,255,61,.08);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.badge-x{
  display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;
  border:1px solid;line-height:1.7;backdrop-filter:blur(6px);
}
.badge-x.static{position:static}
.badge-lime{color:var(--brand);border-color:rgba(198,255,61,.42);background:rgba(198,255,61,.12)}
.badge-purple{color:#c4b5fd;border-color:rgba(139,92,246,.45);background:rgba(139,92,246,.16)}
.badge-gray{color:var(--text-2);border-color:var(--line);background:rgba(255,255,255,.06)}

/* ---------- breadcrumb ---------- */
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb-x a{color:var(--text-2)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:var(--text-3);opacity:.6}
.breadcrumb-x .current{color:var(--text-3)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(5,8,15,.78) 10%,rgba(5,8,15,.95) 70%),radial-gradient(700px 340px at 82% 12%,rgba(139,92,246,.22),transparent 65%);
}
.hero-inner{position:relative;z-index:2;padding-top:48px;padding-bottom:64px}
h1{font-size:48px;line-height:1.2;font-weight:700;letter-spacing:-.5px;margin:0 0 18px}
.hero-sub{font-size:17px;color:var(--text-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.glass-card{
  background:rgba(16,26,46,.6);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 16px 36px rgba(0,0,0,.4);
}
.hero-side{max-width:420px;margin-left:auto}
.side-list{display:grid;gap:12px;margin:18px 0}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.08)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list span{color:var(--text-3);flex:0 0 auto}
.side-list strong{font-weight:600;color:var(--text-1);text-align:right}

/* ---------- section head ---------- */
.section-head{margin-bottom:36px}
.section-head h2{position:relative;padding-left:16px;font-size:32px;font-weight:700;line-height:1.35}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:760px}
.section-head.has-side{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.text-link-x{color:var(--brand);font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.text-link-x:hover{color:#dcff7a}

/* ---------- magazine layout ---------- */
.sticky-aside{position:sticky;top:96px;display:grid;gap:18px}
.filter-title{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text-1)}
.pill-list{display:grid;gap:8px}
.filter-pill{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  width:100%;min-height:44px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;cursor:pointer;text-align:left;transition:.2s ease;
}
.filter-pill:hover{border-color:rgba(198,255,61,.35);color:var(--text-1)}
.filter-pill.active{border-color:var(--line-brand);color:var(--brand);background:rgba(198,255,61,.08)}
.filter-pill:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.count-badge{
  min-width:24px;height:22px;padding:0 7px;border-radius:999px;
  background:rgba(255,255,255,.07);color:var(--text-2);
  font-size:12px;display:grid;place-items:center;flex:0 0 auto;
}
.filter-pill.active .count-badge{background:rgba(198,255,61,.16);color:var(--brand)}
.quick-card h3{font-size:15px;font-weight:600;margin-bottom:12px}
.quick-list{display:grid;gap:10px}
.quick-list a{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.quick-list a i{color:var(--brand);font-size:11px}
.quick-list a:hover{color:var(--brand)}

/* ---------- cards ---------- */
.card-x{
  display:flex;flex-direction:column;height:100%;
  background:rgba(16,26,46,.55);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease,box-shadow .2s ease;
}
.card-x:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.45);box-shadow:0 0 24px rgba(198,255,61,.18)}
.card-cover{position:relative;display:block;aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-x:hover .card-cover img{transform:scale(1.03)}
.card-cover .badge-x{position:absolute;left:12px;top:12px}
.card-body-x{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.card-body-x h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px}
.card-body-x h3 a:hover{color:var(--brand)}
.card-body-x p{
  font-size:14.5px;color:var(--text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;
}
.card-meta .arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-2)}
.card-x:hover .card-meta .arrow-link{color:var(--brand)}

.empty-note{
  margin-top:20px;min-height:220px;display:grid;place-items:center;text-align:center;
  background:rgba(16,26,46,.5);border:1px dashed var(--line);border-radius:var(--radius-card);padding:32px;
}
.empty-note i{font-size:48px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-note p{color:var(--text-2);font-size:14.5px;margin-bottom:16px}

/* ---------- steps ---------- */
.step-list{display:grid;gap:16px}
.step-item{
  display:grid;grid-template-columns:76px 1fr;gap:22px;align-items:flex-start;
  padding:24px;border-radius:var(--radius-card);
  background:rgba(16,26,46,.55);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease-out;
}
.step-item:nth-child(even){margin-left:36px}
.step-item:hover{border-color:rgba(198,255,61,.4);transform:translateY(-3px)}
.step-no{font-size:30px;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-1px;padding-top:4px}
.step-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step-body p{font-size:14.5px;color:var(--text-2)}

/* ---------- assure ---------- */
.assure-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
}
.assure-item{background:rgba(16,26,46,.72);padding:24px 18px;display:flex;align-items:center;gap:12px;font-size:14.5px}
.assure-item i{color:var(--brand);font-size:18px;flex:0 0 auto}

/* ---------- faq ---------- */
.faq-x .accordion-item{
  background:rgba(16,26,46,.55);border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
}
.faq-x .accordion-button{
  background:transparent;color:var(--text-1);font-size:16px;font-weight:600;
  padding:18px 20px;box-shadow:none;line-height:1.6;
}
.faq-x .accordion-button:not(.collapsed){color:var(--brand);background:rgba(198,255,61,.05)}
.faq-x .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-x .accordion-button::after{
  content:"";width:14px;height:14px;flex:0 0 14px;margin-left:auto;color:var(--brand);
  background:
    linear-gradient(currentColor,currentColor) center/14px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 14px no-repeat;
  transition:transform .25s ease;
}
.faq-x .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-x .accordion-body{padding:0 20px 20px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-70%;width:760px;height:760px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(198,255,61,.2),transparent 62%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;padding:76px 24px;text-align:center}
.cta-inner h2{font-size:32px;font-weight:700;line-height:1.4}
.cta-inner p{margin:14px auto 26px;color:var(--text-2);font-size:15.5px;max-width:660px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:18px;max-width:360px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.footer-col a i{font-size:11px;color:var(--text-3);transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-col a:hover i{color:var(--brand)}
.footer-form label{display:block;font-size:13px;color:var(--text-2);margin-bottom:10px}
.form-row{display:flex;gap:10px}
.form-control-x{
  width:100%;min-height:44px;padding:0 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-1);font-size:14px;transition:.2s ease;
}
.form-control-x::placeholder{color:var(--text-3)}
.form-control-x:focus{outline:none;border-color:var(--line-brand);box-shadow:0 0 0 3px rgba(198,255,61,.15)}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- mobile tabbar ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:none;grid-template-columns:repeat(4,1fr);
  background:rgba(8,13,24,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;min-height:56px;font-size:11px;color:var(--text-3);transition:color .2s ease;
}
.tab-item i{font-size:17px}
.tab-item.active{color:var(--brand)}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--brand);
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  h1{font-size:40px}
  .section-head h2,.cta-inner h2{font-size:30px}
}
@media (max-width:991px){
  .container-x{padding:0 20px}
  .nav-wrap{padding:0 20px}
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-cta .btn-lime{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:100%;left:0;right:0;
    padding:14px 20px 20px;
    background:rgba(8,13,24,.98);
    border-bottom:1px solid var(--line);
  }
  .nav-link-x{padding:12px 14px;min-height:44px;display:flex;align-items:center}
  .nav-link-x.active::after{display:none}
  .nav-link-x.active{background:rgba(198,255,61,.08)}
  .section-x{padding:72px 0}
  .sticky-aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-side{margin:8px 0 0;max-width:100%}
  .step-item:nth-child(even){margin-left:0}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .mobile-tabbar{display:grid}
  .section-x{padding:56px 0}
  .container-x{padding:0 16px}
  .nav-wrap{padding:0 16px;height:64px}
  .site-header.shrink .nav-wrap{height:56px}
  h1{font-size:32px}
  .section-head h2,.cta-inner h2{font-size:26px}
  .hero-inner{padding-top:32px;padding-bottom:48px}
  .hero-actions{gap:12px}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%}
  .assure-bar{grid-template-columns:repeat(2,1fr)}
  .assure-item{padding:18px 16px;font-size:13.5px}
  .step-item{grid-template-columns:1fr;gap:10px;padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .form-row{flex-direction:column}
  .cta-inner{padding:56px 16px}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
  .card-body-x h3{font-size:17.5px}
}

/* roulang page: category2 */
:root{
  --bg-0:#050b16;
  --bg-1:#0a1526;
  --bg-2:#0f1f33;
  --brand:#c2ff3d;
  --brand-dim:rgba(194,255,61,.14);
  --accent:#8b5cff;
  --accent-dim:rgba(139,92,255,.14);
  --warn:#ffb020;
  --text-1:#eaf2ff;
  --text-2:#a8b8d0;
  --text-3:#6b7c96;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(194,255,61,.45);
  --glass:rgba(15,31,51,.62);
  --radius-card:16px;
  --radius-btn:999px;
  --radius-sm:12px;
  --shadow-soft:0 8px 24px rgba(0,0,0,.28);
  --glow:0 0 24px rgba(194,255,61,.28);
  --pad-section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 82% -6%,rgba(139,92,255,.16),transparent 62%),
    radial-gradient(760px 460px at 4% 12%,rgba(194,255,61,.07),transparent 60%),
    var(--bg-0);
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--brand);color:#06121f}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--pad-section) 0}
.section-alt{background:linear-gradient(180deg,rgba(10,21,38,.72),rgba(10,21,38,0))}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--brand);
  border:1px solid rgba(194,255,61,.32);
  background:var(--brand-dim);
  border-radius:999px;padding:4px 12px;margin-bottom:16px;
}
.eyebrow.violet{color:#c9b4ff;border-color:rgba(139,92,255,.36);background:var(--accent-dim)}

h1,.h1-x{font-size:48px;line-height:1.24;font-weight:700;letter-spacing:-.5px}
h2,.h2-x{font-size:32px;line-height:1.34;font-weight:700;letter-spacing:-.3px;position:relative;padding-left:16px}
h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand)}
h3,.h3-x{font-size:22px;line-height:1.45;font-weight:600}
.lead-x{font-size:17px;color:var(--text-2);line-height:1.85}
.muted{color:var(--text-3);font-size:13px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{color:var(--text-2);margin-top:12px;font-size:16px;max-width:660px}

/* 面包屑 */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(5,11,22,.6)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:14px 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:var(--text-3);opacity:.6}
.crumb .current{color:var(--text-3)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(5,11,22,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background-color .25s ease,border-color .25s ease}
.site-header.scrolled{background:rgba(6,14,26,.94);border-bottom-color:rgba(194,255,61,.18)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:76px;transition:height .25s ease}
.site-header.scrolled .nav-wrap{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#7ad10a);color:#06121f;font-weight:800;font-size:17px;box-shadow:0 0 18px rgba(194,255,61,.35)}
.logo em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link-x{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;font-size:15px;color:var(--text-2);border:1px solid transparent}
.nav-link-x:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link-x.active{color:var(--brand);background:var(--brand-dim);border-color:rgba(194,255,61,.35)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1)}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand)}

/* 按钮 */
.btn-lime,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease}
.btn-lime{background:var(--brand);color:#06121f;box-shadow:0 0 0 rgba(194,255,61,0)}
.btn-lime:hover{filter:brightness(1.06);box-shadow:0 0 28px rgba(194,255,61,.5);color:#06121f}
.btn-lime:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid rgba(194,255,61,.55);color:var(--brand);border-radius:var(--radius-sm)}
.btn-ghost:hover{background:rgba(194,255,61,.1);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm-x{min-height:38px;padding:8px 16px;font-size:14px}
.btn-block-x{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.btn-text i{transition:transform .2s ease}
.btn-text:hover i{transform:translateX(4px)}

/* Banner */
.banner{
  position:relative;overflow:hidden;
  min-height:420px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,11,22,.96) 0%,rgba(5,11,22,.86) 46%,rgba(5,11,22,.62) 100%);
}
.banner-inner{position:relative;z-index:2;padding:72px 0 64px;max-width:820px}
.banner h1{margin:14px 0 18px}
.banner h1 .hl{color:var(--brand);box-shadow:inset 0 -12px 0 rgba(194,255,61,.18)}
.banner .lead-x{max-width:660px}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.banner-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  margin-top:44px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--line);overflow:hidden;
}
.stat-item{background:rgba(9,20,36,.82);padding:18px 20px;backdrop-filter:blur(10px)}
.stat-item b{display:block;font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:-.5px}
.stat-item span{font-size:13px;color:var(--text-2)}

/* 卖点条 */
.value-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.value-item{
  display:flex;align-items:center;gap:14px;padding:20px;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.value-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.value-item .vi-ico{width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;background:var(--brand-dim);color:var(--brand);font-size:18px;border:1px solid rgba(194,255,61,.28)}
.value-item strong{display:block;font-size:15px;font-weight:600}
.value-item small{color:var(--text-3);font-size:13px}

/* 卡片 */
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.pack-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  background:linear-gradient(180deg,rgba(15,31,51,.78),rgba(10,21,38,.9));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pack-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.pack-media{position:relative;aspect-ratio:16/10;background:#0b1728;overflow:hidden}
.pack-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pack-card:hover .pack-media img{transform:scale(1.03)}
.pack-num{
  position:absolute;left:16px;top:16px;z-index:2;
  min-width:44px;height:32px;padding:0 12px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  background:rgba(5,11,22,.78);color:var(--brand);border:1px solid rgba(194,255,61,.42);
  backdrop-filter:blur(8px);
}
.pack-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.pack-body h3{font-size:20px}
.pack-body p{color:var(--text-2);font-size:15px;line-height:1.8}
.pack-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.pack-meta a{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* 徽章 */
.badge-x{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;line-height:1.7;border:1px solid rgba(194,255,61,.35);background:var(--brand-dim);color:var(--brand)}
.badge-x.violet{border-color:rgba(139,92,255,.4);background:var(--accent-dim);color:#c9b4ff}
.badge-x.gray{border-color:var(--line);background:rgba(255,255,255,.05);color:var(--text-2)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}

/* 场景 5/7 */
.scene-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center}
.scene-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#0b1728}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-tag{position:absolute;left:16px;bottom:16px;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(5,11,22,.78);border:1px solid rgba(194,255,61,.4);color:var(--brand);backdrop-filter:blur(8px)}
.scene-list{display:grid;gap:16px}
.scene-row{
  display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;
  padding:20px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--glass);backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-row:nth-child(even){margin-left:28px}
.scene-row:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.scene-idx{font-size:15px;font-weight:700;color:var(--brand);border:1px solid rgba(194,255,61,.32);background:var(--brand-dim);border-radius:12px;height:42px;display:grid;place-items:center}
.scene-row h3{font-size:18px;margin-bottom:6px}
.scene-row p{color:var(--text-2);font-size:15px}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.flow-item{position:relative;padding:26px 22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--glass);backdrop-filter:blur(14px);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.flow-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.flow-step{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#06121f;font-weight:700;font-size:15px;margin-bottom:14px}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{color:var(--text-2);font-size:15px}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--glass);backdrop-filter:blur(14px);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(194,255,61,.3)}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--glow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:transparent;border:0;color:var(--text-1);font-size:16px;font-weight:600;padding:20px 22px;cursor:pointer;min-height:44px}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{top:8px;left:0;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.8}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(10,21,38,.9),rgba(5,11,22,.98))}
.cta-band::after{content:"";position:absolute;left:50%;top:50%;width:900px;height:900px;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(194,255,61,.18),transparent 62%);pointer-events:none}
.cta-inner{position:relative;z-index:2;text-align:center;padding:76px 0}
.cta-inner h2{padding-left:0;font-size:30px}
.cta-inner h2::before{display:none}
.cta-inner p{color:var(--text-2);margin-top:16px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:30px}

/* 页脚 */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:18px;max-width:340px;line-height:1.85}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text-1)}
.footer-col ul{display:grid;gap:12px}
.footer-col li a{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:14px}
.footer-col li a i{font-size:11px;color:var(--brand)}
.footer-col li a:hover{color:var(--brand)}
.footer-form label{display:block;font-size:13px;color:var(--text-2);margin-bottom:10px}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.form-control-x{flex:1 1 180px;min-height:46px;padding:10px 14px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-1);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease}
.form-control-x::placeholder{color:var(--text-3)}
.form-control-x:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(194,255,61,.16)}
.form-hint{font-size:13px;color:var(--text-3);margin-top:10px}
.footer-bottom{margin-top:56px;padding:22px 0 26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* 移动端底部 Tab */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  background:rgba(6,14,26,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid rgba(255,255,255,.1);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);max-width:640px;margin:0 auto}
.tab-item{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:10px 2px 12px;font-size:11px;color:var(--text-3);min-height:56px}
.tab-item i{font-size:17px;line-height:1}
.tab-item.active{color:var(--brand)}
.tab-item.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--brand)}

/* 动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1199px){
  :root{--pad-section:80px}
  h1,.h1-x{font-size:40px}
  h2,.h2-x{font-size:29px}
}
@media (max-width:991px){
  :root{--pad-section:72px}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:6px;padding:14px 20px 20px;margin:0;
    background:rgba(6,14,26,.98);border-bottom:1px solid var(--line);
    backdrop-filter:blur(16px);
  }
  .nav-links.open{display:flex}
  .nav-link-x{height:46px;border-radius:12px;border-color:var(--line);background:rgba(255,255,255,.03)}
  .nav-toggle{display:inline-grid;place-items:center}
  .nav-cta .btn-lime{display:none}
  .nav-wrap{position:relative}
  .scene-grid{grid-template-columns:1fr;gap:24px}
  .scene-row:nth-child(even){margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .value-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .banner{min-height:380px}
  .banner h1{font-size:34px}
}
@media (max-width:767px){
  :root{--pad-section:56px}
  body{font-size:16px;padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .container-x{padding:0 16px}
  h1,.h1-x{font-size:30px}
  h2,.h2-x{font-size:25px;padding-left:14px}
  .h3-x,.pack-body h3,.flow-item h3,.scene-row h3{font-size:18px}
  .tabbar{display:block}
  .banner{min-height:auto;background-position:center right}
  .banner-inner{padding:44px 0 40px}
  .banner h1{font-size:27px}
  .banner-actions .btn-lime,.banner-actions .btn-ghost{width:100%}
  .banner-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px}
  .stat-item b{font-size:22px}
  .card-grid-3{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .value-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{margin-top:36px;flex-direction:column}
  .section-head{margin-bottom:26px}
  .cta-inner{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%}
  .footer-form .btn-lime{width:100%}
}
@media (max-width:575px){
  .banner-stats{grid-template-columns:1fr 1fr}
  .pack-body{padding:18px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#04070f;
  --bg-1:#070d1a;
  --bg-2:#0c1526;
  --brand:#c2ff3d;
  --brand-soft:rgba(194,255,61,.12);
  --brand-line:rgba(194,255,61,.45);
  --accent:#8b5cf6;
  --accent-soft:rgba(139,92,246,.12);
  --warn:#ffb020;
  --text-1:#e9f1ff;
  --text-2:#a4b3c9;
  --text-3:#6d7d94;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-card:16px;
  --r-sm:12px;
  --shadow-soft:0 18px 40px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(194,255,61,.25);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    radial-gradient(760px 420px at 82% -6%, rgba(139,92,246,.16), transparent 70%),
    radial-gradient(680px 380px at 8% 4%, rgba(194,255,61,.08), transparent 72%);
  pointer-events:none;z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand)}
button{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.5px;line-height:1.35}
p{margin:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#08111c;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:96px 0;position:relative;z-index:1}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  border:1px solid var(--brand-line);background:var(--brand-soft);
  border-radius:999px;padding:4px 14px;margin-bottom:16px;
}
.sec-head{margin-bottom:44px;max-width:760px}
h2.sec-title{
  font-size:32px;padding-left:16px;border-left:4px solid var(--brand);
  margin-bottom:14px;
}
.sec-desc{color:var(--text-2);font-size:16px}
h3{font-size:22px;font-weight:600}
.muted{color:var(--text-2)}
.tiny{font-size:13px;color:var(--text-3)}

/* 按钮 */
.btn-lime,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 26px;font-size:15px;font-weight:700;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:box-shadow .2s ease-out,transform .15s ease-out,background .2s ease-out,color .2s ease-out;
}
.btn-lime{background:var(--brand);color:#07101c;box-shadow:0 0 0 rgba(194,255,61,0)}
.btn-lime:hover{color:#07101c;filter:brightness(1.06);box-shadow:0 0 28px rgba(194,255,61,.45)}
.btn-lime:active{transform:translateY(1px)}
.btn-lime:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-ghost{background:transparent;border-color:var(--brand-line);color:var(--brand);border-radius:12px}
.btn-ghost:hover{background:rgba(194,255,61,.1);color:var(--brand)}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-sm-x{min-height:40px;padding:8px 18px;font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* 徽章 / 标签 */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:4px 12px;border-radius:999px;
  border:1px solid var(--brand-line);background:var(--brand-soft);color:var(--brand);
}
.badge-x.purple{border-color:rgba(139,92,246,.45);background:var(--accent-soft);color:#c4b1ff}
.badge-x.gray{border-color:var(--line-strong);background:rgba(255,255,255,.05);color:var(--text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* 玻璃卡 */
.glass{
  background:linear-gradient(180deg,rgba(15,25,45,.74),rgba(8,14,26,.78));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.glass:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--glow)}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:76px;display:flex;align-items:center;
  background:rgba(4,7,15,.72);
  border-bottom:1px solid transparent;
  transition:height .25s ease-out,background .25s ease-out,border-color .25s ease-out,backdrop-filter .25s ease-out;
}
.site-header.is-scrolled{
  height:60px;background:rgba(5,9,18,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1)}
.logo em{font-style:normal;color:var(--brand)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#7fe000);color:#07101c;font-weight:800;font-size:16px;
  box-shadow:0 0 18px rgba(194,255,61,.35);
}
.logo:hover{color:var(--text-1)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link-x{
  font-size:14px;color:var(--text-2);padding:8px 12px;border-radius:10px;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link-x:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:var(--text-1);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);padding-top:104px;margin-bottom:22px}
.crumb a{color:var(--text-2)}
.crumb span.sep{color:var(--text-3)}
.crumb .cur{color:var(--text-3)}

/* Hero */
.page-hero{position:relative;padding-bottom:76px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.82) 0%,rgba(4,7,15,.92) 55%,var(--bg-0) 100%);
}
.page-hero .container-x{position:relative;z-index:2}
.page-hero h1{font-size:48px;margin-bottom:18px}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.page-hero .lead{font-size:17px;color:var(--text-2);max-width:600px;margin-bottom:24px}
.hero-tags{margin-bottom:28px}
.prep-card{padding:26px}
.prep-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.prep-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);color:var(--text-2);font-size:15px;
}
.prep-list li:last-child{border-bottom:0}
.prep-list i{color:var(--brand);margin-top:6px}
.hero-stats{
  margin-top:52px;border-top:1px solid var(--line);padding-top:26px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.hero-stats .num{font-size:28px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.2}
.hero-stats .lab{font-size:13px;color:var(--text-3)}

/* 时间轴 */
.tline-wrap{position:relative}
.tline-tools{display:flex;gap:10px;position:absolute;right:0;top:-72px}
.tline-tools button{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:var(--text-2);cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.tline-tools button:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}
.tline{
  display:flex;gap:20px;overflow-x:auto;padding:36px 4px 26px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(194,255,61,.5) transparent;
}
.tline::-webkit-scrollbar{height:6px}
.tline::-webkit-scrollbar-thumb{background:rgba(194,255,61,.45);border-radius:999px}
.tnode{
  flex:0 0 272px;scroll-snap-align:start;position:relative;padding:26px 22px 24px;
}
.tnode::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(139,92,246,.7));
  border-radius:999px;
}
.tnode .dot{
  position:absolute;top:-6px;left:22px;width:12px;height:12px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 16px rgba(194,255,61,.6);
}
.tnode .idx{font-size:13px;color:var(--text-3);letter-spacing:.14em}
.tnode h3{font-size:18px;margin:10px 0 10px}
.tnode p{font-size:14px;color:var(--text-2);min-height:76px}
.tnode .tag-row{margin-top:14px}
.tline-hint{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}

/* 图文交错 */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0;border-bottom:1px dashed var(--line)}
.alt-row:last-child{border-bottom:0}
.alt-row.reverse .alt-media{order:2}
.alt-media{position:relative;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-2);border:1px solid var(--line)}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.alt-media:hover img{transform:scale(1.03)}
.alt-media .corner{
  position:absolute;top:14px;left:14px;
}
.alt-body h3{margin-bottom:14px;display:flex;align-items:center;gap:12px}
.alt-body h3 .no{
  font-size:13px;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);font-weight:800;
}
.alt-body p{color:var(--text-2);font-size:15px;margin-bottom:16px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);padding:6px 0}
.check-list i{color:var(--brand);margin-top:6px}
.alt-body .btn-row{margin-top:22px}

/* 卡点速查 */
.pain-left{padding:28px}
.pain-left h3{font-size:19px;margin-bottom:20px}
.pain-left li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.pain-left li:last-child{border-bottom:0}
.pain-left .pico{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);
}
.pain-left b{display:block;font-size:15px;font-weight:600;margin-bottom:2px}
.pain-left span{font-size:14px;color:var(--text-2)}
.pain-right{display:grid;gap:20px;align-content:center}
.pain-card{padding:24px 26px}
.pain-card .row-in{display:flex;gap:16px;align-items:flex-start}
.pain-card .rank{font-size:26px;font-weight:800;color:rgba(194,255,61,.45);line-height:1;letter-spacing:-1px}
.pain-card h4{font-size:17px;margin-bottom:8px}
.pain-card p{font-size:14px;color:var(--text-2)}

/* FAQ */
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:linear-gradient(180deg,rgba(14,23,42,.7),rgba(8,13,25,.7));
  margin-bottom:14px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:var(--brand-line)}
.faq-head{
  width:100%;background:transparent;border:0;color:var(--text-1);text-align:left;
  padding:20px 24px;font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;min-height:56px;
}
.faq-head:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-head .ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--brand-line);color:var(--brand);background:var(--brand-soft);
  transition:transform .25s ease-out;font-size:12px;
}
.faq-head[aria-expanded="true"] .ico{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:900px}

/* CTA */
.cta-band{
  position:relative;padding:74px 0;text-align:center;
  background:
    radial-gradient(620px 280px at 50% 0%, rgba(194,255,61,.2), transparent 70%),
    var(--bg-1);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band h2{font-size:30px;margin-bottom:14px}
.cta-band p{color:var(--text-2);margin-bottom:28px}
.cta-band .btn-row{justify-content:center}
.cta-link{font-size:15px;color:var(--text-2);text-decoration:underline;text-underline-offset:4px}
.cta-link:hover{color:var(--brand)}

/* 页脚 */
.site-footer{
  background:#03060d;border-top:1px solid var(--line);
  padding:70px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text-1)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.footer-col a i{font-size:11px;color:var(--brand)}
.footer-form label{font-size:13px;color:var(--text-2);display:block;margin-bottom:12px}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.form-control-x{
  flex:1 1 160px;min-height:44px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);
  color:var(--text-1);padding:10px 14px;font-size:14px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-control-x::placeholder{color:var(--text-3)}
.form-control-x:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(194,255,61,.16)}
.form-hint{font-size:12px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* 底部 Tab */
.tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:110;display:none;
  background:rgba(5,9,18,.92);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:11px;color:var(--text-3);padding:9px 2px 8px;position:relative;min-height:56px;
}
.tabbar a i{font-size:17px}
.tabbar a.active{color:var(--brand)}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:999px;background:var(--brand);box-shadow:0 0 12px rgba(194,255,61,.7);
}

/* 动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1199px){
  .page-hero h1{font-size:42px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .page-hero h1{font-size:38px}
  .nav-links{gap:0}
  .nav-link-x{padding:8px 9px;font-size:13px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .alt-row{gap:32px}
  .pain-right{padding-top:6px}
}
@media (max-width:767px){
  .container-x{padding:0 20px}
  .section{padding:56px 0}
  h2.sec-title{font-size:26px}
  .page-hero{padding-bottom:48px}
  .page-hero h1{font-size:32px}
  .page-hero .lead{font-size:16px}
  .crumb{padding-top:92px}
  .nav-links{
    display:none;position:absolute;top:100%;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:4px;padding:14px;
    background:rgba(6,11,21,.97);border:1px solid var(--line);border-radius:var(--r-card);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  }
  .nav-links.open{display:flex}
  .nav-link-x{padding:12px 14px;font-size:15px}
  .nav-toggle{display:grid;place-items:center}
  .nav-cta .btn-lime{display:none}
  .tabbar{display:flex}
  body{padding-bottom:72px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
  .alt-row{grid-template-columns:1fr}
  .alt-row.reverse .alt-media{order:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .tline-tools{position:static;margin-bottom:8px}
  .cta-band h2{font-size:24px}
  .btn-row .btn-lime,.btn-row .btn-ghost{width:100%}
  .cta-band .btn-row{flex-direction:column}
}
@media (max-width:519px){
  .page-hero h1{font-size:28px}
  .tnode{flex:0 0 232px}
  .hero-stats .num{font-size:24px}
}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .glass:hover,.btn-lime:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#06101d;
  --bg-1:#0a1a2c;
  --bg-2:#0f2439;
  --brand:#c6ff3d;
  --brand-soft:rgba(198,255,61,.12);
  --brand-line:rgba(198,255,61,.45);
  --accent:#a855f7;
  --accent-soft:rgba(168,85,247,.14);
  --warn:#fbbf24;
  --text-1:#eaf2fb;
  --text-2:#a9bdd4;
  --text-3:#6f8aa5;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --shadow:0 18px 38px rgba(2,8,18,.45);
  --glow:0 0 24px rgba(198,255,61,.28);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 88% -8%,rgba(168,85,247,.16),transparent 62%),
    radial-gradient(760px 460px at 4% 2%,rgba(198,255,61,.09),transparent 60%),
    var(--bg-0);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
button,input{font-family:inherit}
::selection{background:rgba(198,255,61,.32);color:#06101d}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:linear-gradient(180deg,rgba(10,26,44,0),rgba(10,26,44,.65) 22%,rgba(10,26,44,.65) 78%,rgba(10,26,44,0))}
p{color:var(--text-2)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(6,16,29,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background-color .25s ease}
.site-header.scrolled{background:rgba(6,16,29,.94);box-shadow:0 10px 30px rgba(2,8,18,.5)}
.nav-wrap{max-width:1200px;margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;transition:height .25s ease}
.site-header.scrolled .nav-wrap{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:-.3px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;color:#06101d;background:linear-gradient(135deg,var(--brand),#7ce6a8 55%,var(--accent));box-shadow:0 6px 18px rgba(198,255,61,.22)}
.logo em{font-style:normal;color:var(--brand);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link-x{padding:8px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);white-space:nowrap;transition:.2s ease}
.nav-link-x:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px rgba(198,255,61,.24)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--text-1);font-size:17px;align-items:center;justify-content:center}

/* ===== 按钮 ===== */
.btn-lime,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease}
.btn-lime{background:var(--brand);color:#08131f;box-shadow:0 0 0 rgba(198,255,61,0)}
.btn-lime:hover{filter:brightness(1.06);box-shadow:0 0 28px rgba(198,255,61,.45);color:#08131f}
.btn-lime:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand-line)}
.btn-ghost:hover{background:rgba(198,255,61,.1);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm-x{min-height:40px;padding:0 18px;font-size:14px}
.btn-block-x{width:100%}
.btn-line{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.btn-line:hover{color:#e2ff9c}

/* ===== 面包屑 ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .now{color:var(--text-2)}

/* ===== Hero ===== */
.page-hero{position:relative;padding:74px 0 84px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(6,16,29,.96) 0%,rgba(6,16,29,.86) 44%,rgba(6,16,29,.66) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  z-index:0;
}
.page-hero .container-x{position:relative;z-index:1}
.pill-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);border:1px solid rgba(198,255,61,.35);background:var(--brand-soft);color:var(--brand);font-size:12px;letter-spacing:1px}
h1{font-size:48px;line-height:1.24;font-weight:700;letter-spacing:-.5px;margin:20px 0 18px}
h1 .hl{position:relative;white-space:nowrap}
h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(198,255,61,.28);border-radius:4px;z-index:-1}
.hero-lead{font-size:17px;color:var(--text-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats .num{display:block;font-size:26px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-stats .cap{font-size:13px;color:var(--text-3)}

.glass{
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(15,36,57,.86),rgba(10,26,44,.7));
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.glass:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow),var(--glow)}
.hero-card{padding:18px}
.hero-card .thumb{border-radius:var(--r-md);overflow:hidden;background:var(--bg-2);aspect-ratio:16/10}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover}
.hero-card h3{font-size:18px;font-weight:600;margin:16px 0 10px}
.status-list li{display:flex;align-items:flex-start;gap:10px;padding:9px 0;font-size:14px;color:var(--text-2);border-top:1px dashed var(--line)}
.status-list li:first-child{border-top:0}
.status-list i{color:var(--brand);margin-top:6px;font-size:13px}

/* ===== 板块标题 ===== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-label{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--text-3);border:1px solid var(--line-2);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px}
h2{position:relative;font-size:32px;font-weight:700;line-height:1.34;padding-left:16px;letter-spacing:-.4px}
h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand);box-shadow:0 0 14px rgba(198,255,61,.5)}
.sec-desc{font-size:15px;color:var(--text-2);margin-top:12px;max-width:660px}

/* ===== 清单分组 ===== */
.check-group{padding:24px 26px;margin-bottom:20px}
.check-group .group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.group-no{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-soft);border:1px solid rgba(198,255,61,.28)}
.check-group h3{font-size:20px;font-weight:600}
.check-group .group-note{font-size:13px;color:var(--text-3);margin:0 0 6px 44px}
.check-list li{border-top:1px solid var(--line)}
.check-list a{display:flex;align-items:flex-start;gap:12px;padding:14px 4px;font-size:15px;color:var(--text-2)}
.check-list a i{color:var(--text-3);font-size:12px;margin-top:9px;transition:.2s ease}
.check-list a:hover{color:var(--brand)}
.check-list a:hover i{color:var(--brand);transform:translateX(3px)}
.check-list .tag-mini{margin-left:auto;font-size:12px;color:var(--accent);border:1px solid rgba(168,85,247,.35);background:var(--accent-soft);border-radius:var(--r-pill);padding:2px 10px;white-space:nowrap}

/* ===== 侧栏 ===== */
.side-sticky{position:sticky;top:90px}
.side-card{padding:22px;margin-bottom:20px}
.side-card h3{font-size:17px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:14px}
.side-links li+li{margin-top:10px}
.side-thumb{border-radius:var(--r-md);overflow:hidden;background:var(--bg-2);aspect-ratio:16/10;margin-bottom:14px}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-text{font-size:14px;color:var(--text-2);margin-bottom:14px}
.mini-faq details{border-top:1px solid var(--line)}
.mini-faq details:first-child{border-top:0}
.mini-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:10px;padding:11px 0;font-size:14px;font-weight:600;color:var(--text-1)}
.mini-faq summary::-webkit-details-marker{display:none}
.mini-faq summary::after{content:"+";color:var(--brand);font-weight:700;transition:transform .2s ease}
.mini-faq details[open] summary::after{transform:rotate(45deg)}
.mini-faq p{font-size:13px;color:var(--text-3);padding-bottom:10px;line-height:1.8}

/* ===== 保障条 ===== */
.guard-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:22px;border-radius:var(--r-lg)}
.guard-item{display:flex;align-items:center;gap:12px;padding:8px 6px}
.guard-item i{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:15px;flex-shrink:0}
.guard-item span{font-size:14px;color:var(--text-2)}

/* ===== 流程 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow-card{padding:26px}
.flow-card .step{font-size:12px;letter-spacing:2px;color:var(--accent);margin-bottom:12px}
.flow-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.flow-card p{font-size:14px}
.flow-card .connector{margin-top:16px;font-size:12px;color:var(--text-3)}

/* ===== FAQ ===== */
.faq-wrap{max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(15,36,57,.72),rgba(10,26,44,.6));margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text-1)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-sign{position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .25s ease}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%)}
.faq-sign::before{width:14px;height:2px}
.faq-sign::after{width:2px;height:14px}
.faq-item[open] .faq-sign{transform:rotate(45deg)}
.faq-item[open]{border-color:rgba(198,255,61,.32)}
.faq-item p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ===== CTA 条 ===== */
.cta-band{position:relative;padding:66px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(10,26,44,.9),rgba(6,16,29,.95));overflow:hidden}
.cta-band::before{content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);width:760px;height:420px;background:radial-gradient(circle,rgba(198,255,61,.22),transparent 66%);pointer-events:none}
.cta-inner{position:relative;z-index:1;text-align:center}
.cta-inner h2{padding-left:0;display:inline-block;font-size:30px}
.cta-inner h2::before{display:none}
.cta-inner p{margin:14px auto 26px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand p{font-size:14px;color:var(--text-3);margin-top:16px;max-width:330px;line-height:1.9}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--text-3);display:inline-flex;align-items:center;gap:8px}
.footer-col a i{font-size:11px;color:var(--brand);opacity:.7}
.footer-col a:hover{color:var(--brand)}
.footer-form label{display:block;font-size:13px;color:var(--text-3);margin-bottom:10px}
.form-row{display:flex;gap:10px}
.form-control-x{flex:1;min-height:44px;padding:0 14px;border-radius:var(--r-md);border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--text-1);font-size:14px}
.form-control-x::placeholder{color:var(--text-3)}
.form-control-x:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(198,255,61,.16)}
.form-hint{font-size:12px;color:var(--text-3);margin-top:10px}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}

/* ===== 底部 Tab ===== */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;background:rgba(8,20,34,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tab-item{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 2px 8px;font-size:11px;color:var(--text-3);min-height:56px;justify-content:center}
.tab-item i{font-size:17px}
.tab-item.active{color:var(--brand)}
.tab-item.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(198,255,61,.6)}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  h1{font-size:40px}
  h2{font-size:28px}
}
@media (max-width:991px){
  .container-x{padding:0 20px}
  .nav-wrap{padding:0 20px;height:64px}
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;top:100%;left:12px;right:12px;flex-direction:column;align-items:stretch;gap:2px;padding:10px;border-radius:var(--r-lg);background:rgba(10,26,44,.98);border:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-link-x{padding:12px 14px;font-size:15px}
  .section{padding:72px 0}
  h1{font-size:34px}
  h2{font-size:26px}
  .hero-stats{gap:26px}
  .guard-bar{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .side-sticky{position:static}
  .page-hero{padding:52px 0 62px}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .site-header .btn-lime{display:none}
  .tabbar{display:flex}
  .section{padding:56px 0}
  h1{font-size:30px;line-height:1.32}
  h2{font-size:24px}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%}
  .hero-stats{gap:20px}
  .hero-stats .num{font-size:22px}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .check-group{padding:20px 18px}
  .check-list .tag-mini{display:none}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  h1{font-size:26px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .guard-bar{grid-template-columns:1fr}
  .faq-item summary{font-size:15px;padding:15px 16px}
  .faq-item p{padding:0 16px 16px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}