/* roulang page: index */
:root{
  --c-primary:#12D9B0;
  --c-primary-deep:#0B8C77;
  --c-primary-soft:#7FF3DE;
  --c-violet:#6E5BFF;
  --c-amber:#FFB13D;
  --bg-base:#08121E;
  --bg-alt:#0C1A2B;
  --bg-card:#101F33;
  --line:rgba(127,243,222,.14);
  --tx:#E8F4F2;
  --tx-2:#9DB3C4;
  --tx-3:#6B8296;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --shadow:0 0 0 1px rgba(127,243,222,.10), 0 18px 40px -24px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(127,243,222,.28), 0 24px 50px -26px rgba(0,0,0,.85);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","Arial Narrow",Arial,sans-serif;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--tx);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0}
p{margin:0}
figure{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(8,18,30,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(8,18,30,.92);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.scrolled .header-inner{height:62px}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(145deg,var(--c-primary),var(--c-primary-deep));
  color:#04140F;font-family:var(--font-num);font-size:19px;font-weight:700;letter-spacing:.5px;
}
.logo-text{font-size:19px;font-weight:700;color:var(--tx);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary)}

.main-nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list>li{position:relative}
.nav-list>li>a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;font-size:15px;color:var(--tx-2);
  transition:color .2s ease,background .2s ease;
}
.nav-list>li>a:hover{color:var(--tx);background:rgba(127,243,222,.06)}
.nav-list>li>a.active{color:var(--c-primary)}
.nav-list>li>a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-caret{width:10px;height:10px;transition:transform .18s ease}

.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* mega */
.mega{
  position:absolute;top:calc(100% + 14px);left:50%;
  width:720px;padding:22px;
  display:grid;grid-template-columns:1fr 1fr 216px;gap:22px;
  border-radius:var(--r-glass);
  background:rgba(16,31,51,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
  box-shadow:0 30px 70px -34px rgba(0,0,0,.95);
  opacity:0;visibility:hidden;transform:translate(-50%,8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.has-mega:hover .nav-caret,.has-mega:focus-within .nav-caret{transform:rotate(180deg)}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--tx-3);text-transform:uppercase;margin-bottom:12px}
.mega-cat{
  display:flex;align-items:center;gap:12px;padding:8px;border-radius:12px;
  border:1px solid transparent;transition:border-color .2s ease,background .2s ease;
}
.mega-cat:hover{border-color:rgba(127,243,222,.28);background:rgba(18,217,176,.06)}
.mega-cat img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex-shrink:0}
.mega-cat b{display:block;font-size:14px;color:var(--tx)}
.mega-cat i{display:block;font-style:normal;font-size:12px;color:var(--tx-3);line-height:1.5}
.mega-news li+li{margin-top:10px}
.mega-news a{display:block;font-size:13.5px;color:var(--tx-2);transition:color .2s ease,padding-left .2s ease}
.mega-news a:hover{color:var(--c-primary);padding-left:4px}
.mega-news time{display:block;font-size:12px;color:var(--tx-3);font-family:var(--font-num);letter-spacing:.4px}
.mega-entry{
  border-radius:14px;padding:16px;
  background:linear-gradient(160deg,rgba(18,217,176,.14),rgba(110,91,255,.12));
  border:1px solid rgba(127,243,222,.24);
  display:flex;flex-direction:column;gap:8px;
}
.mega-entry p{font-size:15px;font-weight:700}
.mega-entry span{font-size:13px;color:var(--tx-2);line-height:1.6}
.mega-entry .btn{margin-top:auto;padding:10px 16px;font-size:14px}

/* nav toggle */
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:rgba(16,31,51,.6);
  cursor:pointer;padding:0;place-items:center;gap:5px;flex-direction:column;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary-soft);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* drawer */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(4,10,18,.72);opacity:0;transition:opacity .28s ease}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--bg-alt);border-left:1px solid var(--line);
  padding:22px 20px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--tx-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 14px;border-radius:10px;font-size:15px;color:var(--tx-2);
  border:1px solid transparent;transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--c-primary);border-color:rgba(127,243,222,.22);background:rgba(18,217,176,.06)}
.drawer-note{font-size:13px;color:var(--tx-3);line-height:1.7;margin-top:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#04140F;
  box-shadow:0 0 0 1px rgba(127,243,222,.35),0 14px 32px -16px rgba(18,217,176,.85);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(127,243,222,.6),0 20px 44px -18px rgba(18,217,176,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.4)}
.btn-ghost{
  background:rgba(16,31,51,.55);border-color:rgba(127,243,222,.28);color:var(--c-primary-soft);
}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{
  background:transparent;border-color:rgba(127,243,222,.3);color:var(--tx-2);
  padding:10px 20px;font-size:14px;font-weight:500;
}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:158px 0 92px;overflow:hidden;
  background:
    radial-gradient(1100px 560px at 82% -12%,rgba(18,217,176,.16),transparent 62%),
    radial-gradient(900px 520px at 2% 24%,rgba(110,91,255,.14),transparent 66%),
    var(--bg-base);
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;min-height:640px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(127,243,222,.28);background:rgba(18,217,176,.08);
  color:var(--c-primary-soft);font-size:13px;
}
.hero h1{font-size:44px;line-height:1.2;margin:20px 0 16px}
.hero-sub{font-size:17px;color:var(--tx-2);max-width:26em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:13px;color:var(--tx-3)}
.trust li{display:flex;align-items:center;gap:8px}
.trust li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-primary);flex-shrink:0}

.hero-visual{
  position:relative;min-height:470px;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow);isolation:isolate;
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-visual::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,18,30,.30) 0%,rgba(8,18,30,.82) 100%);
}
.hero-visual::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(127,243,222,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(127,243,222,.06) 1px,transparent 1px);
  background-size:46px 46px;
}
.hero-float{
  position:absolute;top:26px;left:26px;z-index:4;
  width:120px;height:72px;border-radius:14px;padding:10px 14px;
  display:flex;flex-direction:column;justify-content:center;
  background:rgba(255,177,61,.14);border:1px solid rgba(255,177,61,.4);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  animation:floatY 6s ease-in-out infinite;
}
.hero-float b{font-family:var(--font-num);font-size:22px;color:var(--c-amber);line-height:1}
.hero-float i{font-style:normal;font-size:12px;color:var(--tx-2);margin-top:4px}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

.hero-info{
  position:absolute;left:26px;right:26px;bottom:26px;z-index:4;
  padding:20px 22px;border-radius:var(--r-glass);
  background:rgba(16,31,51,.55);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
}
.hero-info-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--tx-2)}
.hero-info-row+.hero-info-row{margin-top:8px}
.hero-info-row span:first-child{color:var(--c-primary);flex-shrink:0}
.hero-info-num{
  display:flex;align-items:baseline;gap:10px;margin-top:16px;padding-top:16px;
  border-top:1px solid rgba(127,243,222,.14);
}
.hero-info-num b{font-family:var(--font-num);font-size:40px;line-height:1;color:var(--c-primary)}
.hero-info-num span{font-size:13px;color:var(--tx-3)}

/* ---------- sections ---------- */
.section{padding:88px 0;border-top:1px solid var(--line)}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:46px}
.kicker{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--c-primary);text-transform:uppercase;margin-bottom:14px}
.section-head h2{position:relative;font-size:32px;padding-left:18px;margin-bottom:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-deep));
}
.section-head .lead{color:var(--tx-2);font-size:16px}

.card{
  background:var(--bg-card);border:1px solid rgba(127,243,222,.10);
  border-radius:var(--r-card);box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),transparent 78%);opacity:.7;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(127,243,222,.28)}

.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12px;background:rgba(110,91,255,.18);border:1px solid rgba(110,91,255,.36);color:#C7BEFF;
}
.badge-amber{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;
  background:rgba(255,177,61,.16);border:1px solid rgba(255,177,61,.42);color:var(--c-amber);
}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:1fr 1.06fr 1.2fr;gap:24px;align-items:end}
.tier{
  position:relative;display:flex;flex-direction:column;gap:16px;
  padding:30px 26px;border-radius:var(--r-card);
  background:var(--bg-card);border:1px solid rgba(127,243,222,.10);box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(127,243,222,.28)}
.tier-1{min-height:326px;background:rgba(16,31,51,.55);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.tier-2{min-height:352px;border-color:rgba(18,217,176,.42)}
.tier-3{min-height:382px;border-color:rgba(255,177,61,.42)}
.tier-name{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}
.tier-name b{font-family:var(--font-num);font-size:26px;color:var(--c-primary);line-height:1}
.tier-3 .tier-name b{color:var(--c-amber)}
.tier-for{font-size:13.5px;color:var(--tx-3)}
.tier-list{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--tx-2);margin-top:2px}
.tier-list li{display:flex;align-items:flex-start;gap:10px}
.tier-list li::before{
  content:"";width:15px;height:15px;flex-shrink:0;margin-top:4px;border-radius:50%;
  background:rgba(18,217,176,.16);
  box-shadow:inset 0 0 0 1px rgba(127,243,222,.45);
  background-image:linear-gradient(45deg,transparent 46%,var(--c-primary) 46%,var(--c-primary) 54%,transparent 54%);
}
.tier-price{font-size:13px;color:var(--tx-3);margin-top:auto;padding-top:10px;border-top:1px dashed rgba(127,243,222,.16)}
.tier .btn-line{margin-top:6px;align-self:flex-start}

/* ---------- compare ---------- */
.cmp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.cmp-card{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-card);
  background:var(--bg-card);border:1px solid rgba(127,243,222,.10);box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cmp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(127,243,222,.28)}
.cmp-card h3{font-size:20px;margin-bottom:6px}
.cmp-for{font-size:13.5px;color:var(--tx-3);margin-bottom:18px}
.cmp-rows{border-top:1px solid rgba(127,243,222,.12)}
.cmp-rows li{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:48px;padding:0 10px;border-bottom:1px solid rgba(127,243,222,.08);font-size:13.5px;
}
.cmp-rows li:nth-child(odd){background:rgba(127,243,222,.03)}
.cmp-rows .rk{color:var(--tx-3)}
.cmp-rows .rv{color:var(--tx-2);font-weight:500;text-align:right}
.cmp-card.recommend{
  transform:translateY(-12px);border-color:rgba(18,217,176,.55);
  box-shadow:0 0 0 1px rgba(18,217,176,.35),0 26px 56px -28px rgba(18,217,176,.5);
}
.cmp-card.recommend:hover{transform:translateY(-16px)}
.cmp-rows .rv.hi{color:var(--c-primary);font-weight:700}
.cmp-rec{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  padding:3px 14px;border-radius:999px;font-size:12px;font-weight:600;
  background:linear-gradient(135deg,var(--c-violet),#4C3BE0);color:#F2EFFF;
  box-shadow:0 8px 22px -10px rgba(110,91,255,.9);
}
.cmp-card .btn{width:100%;margin-top:22px}

/* ---------- promo strip ---------- */
.promo-strip{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,#0A1626 0%,#0E2033 55%,#0A1626 100%);
}
.promo-strip::before{
  content:"";position:absolute;inset:-40% -10%;
  background:repeating-linear-gradient(102deg,rgba(127,243,222,.06) 0 2px,transparent 2px 26px);
  opacity:.9;pointer-events:none;
}
.promo-strip::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:44%;
  background:url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
  filter:blur(6px) saturate(.8);opacity:.22;pointer-events:none;
}
.promo-inner{
  position:relative;z-index:2;display:flex;align-items:center;gap:36px;
  min-height:150px;padding-top:26px;padding-bottom:26px;
}
.promo-copy{flex:1 1 auto;min-width:220px}
.promo-copy h2{font-size:24px;margin-bottom:8px}
.promo-copy p{font-size:14px;color:var(--tx-2)}
.countdown{display:flex;align-items:center;gap:6px;flex-shrink:0}
.cd{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:62px;padding:8px 6px;border-radius:12px;
  background:rgba(16,31,51,.7);border:1px solid rgba(255,177,61,.28);
}
.cd b{font-family:var(--font-num);font-size:40px;line-height:1;color:var(--c-amber)}
.cd i{font-style:normal;font-size:12px;color:var(--tx-3);margin-top:4px}
.cd-sep{font-family:var(--font-num);font-size:30px;color:rgba(255,177,61,.4)}
.promo-inner .btn{flex-shrink:0}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.news-lead{display:flex;flex-direction:column}
.news-lead-media{display:block;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;aspect-ratio:16/9}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.04)}
.news-lead-body{padding:22px}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:12px;color:var(--tx-3);font-family:var(--font-num);letter-spacing:.4px}
.news-lead-body h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.news-lead-body h3 a{transition:color .2s ease}
.news-lead-body h3 a:hover{color:var(--c-primary)}
.news-lead-body p{font-size:14.5px;color:var(--tx-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.link-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;color:var(--c-primary);border-bottom:1px dashed rgba(18,217,176,.5);padding-bottom:2px}
.link-more:hover{border-bottom-style:solid}
.news-side{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:14px;padding:14px;border-radius:14px;
  background:var(--bg-card);border:1px solid rgba(127,243,222,.10);
  position:relative;transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.news-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--c-primary);opacity:0;transition:opacity .25s ease;
}
.news-item:hover{border-color:rgba(127,243,222,.28);transform:translateY(-3px);box-shadow:var(--shadow)}
.news-item:hover::before{opacity:1}
.news-item-thumb{width:96px;height:64px;border-radius:10px;object-fit:cover;flex-shrink:0;border:1px solid rgba(127,243,222,.16);transition:transform .3s ease}
.news-item:hover .news-item-thumb{transform:scale(1.04)}
.news-item-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-item-body h3{font-size:15px;line-height:1.5;font-weight:600}
.news-item-body h3 a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item-body h3 a:hover{color:var(--c-primary)}
.news-item-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--tx-3);font-family:var(--font-num);letter-spacing:.4px;margin-top:auto}
.news-list-extra{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.news-mini{padding:16px;border-radius:14px;background:rgba(16,31,51,.6);border:1px solid rgba(127,243,222,.10);transition:border-color .3s ease,transform .3s ease}
.news-mini:hover{border-color:rgba(127,243,222,.28);transform:translateY(-3px)}
.news-mini h3{font-size:15px;line-height:1.5;font-weight:600;margin:10px 0 8px}
.news-mini h3 a:hover{color:var(--c-primary)}
.news-mini p{font-size:13.5px;color:var(--tx-3);font-family:var(--font-num);letter-spacing:.4px}

.empty-state{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;border-radius:var(--r-card);
  background:var(--bg-card);border:1px dashed rgba(127,243,222,.22);text-align:center;
}
.empty-state svg{width:36px;height:36px;color:var(--tx-3)}
.empty-state p{font-size:14px;color:var(--tx-3)}

/* ---------- form ---------- */
.consult-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.consult-side p{font-size:15px;color:var(--tx-2);margin-top:14px}
.consult-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.consult-points li{display:flex;gap:10px;font-size:14px;color:var(--tx-2)}
.consult-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-top:9px;flex-shrink:0}
.consult-side img{margin-top:30px;border-radius:14px;border:1px solid rgba(127,243,222,.16);width:100%;aspect-ratio:16/10;object-fit:cover}

.form-card{
  position:relative;padding:28px;border-radius:var(--r-glass);
  background:rgba(16,31,51,.55);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
}
.form-badge{
  position:absolute;top:-13px;right:22px;padding:3px 14px;border-radius:999px;font-size:12px;
  background:rgba(18,217,176,.16);border:1px solid rgba(127,243,222,.42);color:var(--c-primary-soft);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--tx-2)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(8,18,30,.7);border:1px solid rgba(127,243,222,.16);color:var(--tx);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#5A7186}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,217,176,.16);
}
.field.error input,.field.error select,.field.error textarea{border-color:#FF6B7A;box-shadow:0 0 0 3px rgba(255,107,122,.14)}
.field .err{display:none;font-size:12px;color:#FF6B7A}
.field.error .err{display:block}
.form-success{
  display:none;align-items:center;gap:8px;margin-top:18px;padding:10px 16px;border-radius:999px;
  background:rgba(18,217,176,.12);border:1px solid rgba(127,243,222,.36);
  color:var(--c-primary-soft);font-size:13.5px;
}
.form-success.show{display:inline-flex}
.form-actions{margin-top:22px;display:flex;justify-content:flex-end}
.form-actions .btn{min-width:180px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side h2{position:relative;font-size:32px;padding-left:18px;margin-bottom:14px}
.faq-side h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--c-primary),var(--c-primary-deep))}
.faq-side p{font-size:15px;color:var(--tx-2)}
.faq-side img{margin-top:26px;border-radius:14px;border:1px solid rgba(127,243,222,.16);width:100%;aspect-ratio:4/3;object-fit:cover}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid rgba(127,243,222,.12);border-radius:14px;overflow:hidden;transition:border-color .25s ease}
.faq-item.open{border-color:rgba(127,243,222,.34)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 20px;
  background:transparent;border:0;cursor:pointer;text-align:left;font-size:15.5px;font-weight:600;color:var(--tx);
}
.faq-q .fnum{font-family:var(--font-num);font-size:18px;color:var(--c-primary);flex-shrink:0;letter-spacing:1px}
.faq-q .fico{
  margin-left:auto;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(127,243,222,.34);position:relative;transition:transform .3s ease,background .3s ease;
}
.faq-q .fico::before,.faq-q .fico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .fico::before{width:10px;height:1.6px}
.faq-q .fico::after{width:1.6px;height:10px;transition:opacity .25s ease}
.faq-item.open .fico{transform:rotate(180deg);background:rgba(18,217,176,.14)}
.faq-item.open .fico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 20px 20px 52px;font-size:15px;line-height:1.8;color:var(--tx-2)}

/* ---------- footer ---------- */
.site-footer{background:#060E18;border-top:1px solid var(--line);padding:64px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-primary),transparent);opacity:.5;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand p{font-size:13.5px;color:var(--tx-3);line-height:1.8;margin-top:14px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--tx-2)}
.footer-col h3{font-size:14px;color:var(--tx);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--tx-3);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--c-primary);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(127,243,222,.10);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--tx-3);
}
.footer-bottom .site-domain{font-family:var(--font-num);letter-spacing:.5px;color:#57708A}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(127,243,222,.16);color:var(--tx-3);transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.socials a:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.socials svg{width:17px;height:17px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-list>li>a{padding:10px 10px;font-size:14.5px}
  .header-inner{gap:14px}
  .mega{width:640px;grid-template-columns:1fr 1fr 200px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero{padding:132px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero h1{font-size:34px}
  .hero-visual{min-height:400px}
  .section{padding:64px 0}
  .tier-grid{grid-template-columns:1fr;align-items:stretch;gap:20px}
  .tier-1,.tier-2,.tier-3{min-height:0}
  .cmp-grid{grid-template-columns:1fr;gap:20px}
  .cmp-card.recommend{transform:none}
  .cmp-card.recommend:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:1fr}
  .news-list-extra{grid-template-columns:1fr 1fr}
  .consult-wrap,.faq-wrap{grid-template-columns:1fr;gap:32px}
  .promo-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .section-head h2,.faq-side h2{font-size:24px}
  .hero-info-num b{font-size:32px}
  .cd b{font-size:32px}
  .cd{min-width:54px}
  .news-list-extra{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%;min-width:0}
  .hero-float{width:104px;height:64px;padding:8px 12px}
  .hero-float b{font-size:18px}
  .promo-strip::after{display:none}
}
@media (max-width:575px){
  .logo-text{font-size:17px}
  .logo-mark{width:34px;height:34px;font-size:17px}
  .hero h1{font-size:26px}
  .hero-visual{min-height:340px}
  .hero-info{left:16px;right:16px;bottom:16px;padding:16px}
  .trust{font-size:12.5px;gap:8px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --c-primary:#12D9B0;
  --c-primary-deep:#0B8C77;
  --c-primary-soft:#7FF3DE;
  --c-violet:#6E5BFF;
  --c-amber:#FFB13D;
  --bg-base:#08121E;
  --bg-alt:#0C1A2B;
  --bg-card:#101F33;
  --line:rgba(127,243,222,.14);
  --line-strong:rgba(127,243,222,.28);
  --tx-main:#E8F4F2;
  --tx-sub:#9DB3C4;
  --tx-weak:#6B8296;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --shadow:0 0 0 1px rgba(127,243,222,.10), 0 18px 40px -24px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(127,243,222,.28), 0 22px 46px -22px rgba(18,217,176,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-main);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.25;letter-spacing:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,18,30,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:padding .25s ease,background .25s ease;
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.site-header.is-scrolled .header-inner{height:62px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  display:grid;place-items:center;
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#04150F;font-family:var(--font-num);font-size:18px;font-weight:700;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.2px;}
.logo-text em{font-style:normal;color:var(--c-primary);font-family:var(--font-num);font-size:20px;}
.main-nav{flex:1;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list>li{position:relative;}
.nav-list>li>a{
  display:inline-flex;align-items:center;gap:5px;
  padding:10px 14px;border-radius:9px;
  font-size:15px;color:var(--tx-sub);
  transition:color .2s ease,background .2s ease;
}
.nav-list>li>a:hover{color:var(--tx-main);background:rgba(127,243,222,.07);}
.nav-list>li>a.active{color:var(--c-primary);box-shadow:inset 0 -2px 0 var(--c-primary);border-radius:9px 9px 4px 4px;}
.nav-caret{width:10px;height:10px;transition:transform .2s ease;}
.has-mega:hover .nav-caret,.has-mega:focus-within .nav-caret{transform:rotate(180deg);}
.mega{
  position:absolute;top:calc(100% + 12px);left:-40px;
  width:720px;padding:22px;
  display:grid;grid-template-columns:1.15fr 1fr .9fr;gap:22px;
  background:rgba(16,31,51,.72);
  backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
  border-radius:var(--r-glass);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:1.2px;color:var(--tx-weak);text-transform:uppercase;margin-bottom:12px;}
.mega-cat{display:flex;gap:12px;padding:10px;border-radius:12px;transition:background .2s ease;}
.mega-cat:hover{background:rgba(18,217,176,.10);}
.mega-cat img{width:64px;height:48px;object-fit:cover;border-radius:8px;}
.mega-cat b{display:block;font-size:14px;}
.mega-cat i{display:block;font-style:normal;font-size:12.5px;color:var(--tx-weak);}
.mega-news li{display:flex;justify-content:space-between;gap:10px;padding:8px 10px;border-radius:10px;font-size:13.5px;color:var(--tx-sub);transition:background .2s ease,color .2s ease;}
.mega-news li:hover{background:rgba(18,217,176,.10);color:var(--tx-main);}
.mega-news time{font-size:12px;color:var(--tx-weak);white-space:nowrap;font-family:var(--font-num);}
.mega-entry{border:1px solid var(--line-strong);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px;}
.mega-entry p{font-size:14px;font-weight:600;}
.mega-entry span{font-size:12.5px;color:var(--tx-weak);line-height:1.6;}
.mega-entry .btn{align-self:flex-start;margin-top:4px;padding:8px 16px;font-size:13px;}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:transparent;border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--tx-main);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tx-main);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
}
.btn:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-primary{background:linear-gradient(120deg,var(--c-primary),var(--c-primary-deep));color:#04150F;box-shadow:0 0 0 1px rgba(127,243,222,.25),0 14px 30px -16px rgba(18,217,176,.75);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(127,243,222,.45),0 20px 40px -16px rgba(18,217,176,.9);}
.btn-ghost{background:rgba(16,31,51,.55);border-color:var(--line-strong);color:var(--tx-main);backdrop-filter:blur(10px);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary);}
.btn-line{background:transparent;border-color:var(--line-strong);color:var(--tx-sub);}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-sm{padding:9px 18px;font-size:13.5px;}

/* ---------- tokens ---------- */
.tag,.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;line-height:1;padding:6px 12px;}
.tag{background:rgba(110,91,255,.16);border:1px solid rgba(110,91,255,.35);color:#B9AEFF;}
.badge-amber{background:rgba(255,177,61,.14);border:1px solid rgba(255,177,61,.4);color:var(--c-amber);}
.badge-primary{background:rgba(18,217,176,.13);border:1px solid rgba(18,217,176,.35);color:var(--c-primary-soft);}
.divider{height:1px;background:linear-gradient(90deg,rgba(127,243,222,.35),rgba(127,243,222,0));border:0;margin:0;}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(8,18,30,.78),rgba(8,18,30,.92)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(127,243,222,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(127,243,222,.05) 1px,transparent 1px);
  background-size:48px 48px;opacity:.6;
}
.banner-inner{position:relative;z-index:1;padding:56px 0 44px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-weak);margin-bottom:20px;}
.breadcrumb a{color:var(--tx-sub);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--tx-weak);}
.breadcrumb .now{color:var(--c-primary-soft);}
.page-banner h1{font-size:44px;font-weight:700;max-width:900px;}

/* ---------- article layout ---------- */
.article-section{padding:64px 0 88px;background:var(--bg-base);}
.article-layout{display:grid;grid-template-columns:1fr;gap:40px;}
.toc{display:none;}
.article-main{min-width:0;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--tx-weak);margin-bottom:28px;}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--c-primary);display:inline-block;margin-right:8px;vertical-align:middle;}
.meta-row time,.meta-row .mnum{font-family:var(--font-num);color:var(--tx-sub);font-size:15px;letter-spacing:.4px;}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:var(--tx-main);}
.article-body p{margin:0 0 20px;}
.article-body h2{position:relative;padding-left:16px;font-size:32px;font-weight:700;margin:40px 0 18px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.42em;width:4px;height:.95em;border-radius:2px;background:var(--c-primary);}
.article-body h3{font-size:20px;font-weight:700;border-left:3px solid var(--c-primary);padding-left:12px;margin:30px 0 14px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-style:dashed;text-underline-offset:3px;}
.article-body a:hover{text-decoration-style:solid;}
.article-body img{width:100%;border-radius:12px;margin:24px 0 8px;}
.article-body figcaption{font-size:13.5px;color:var(--tx-weak);text-align:center;margin-bottom:24px;}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--bg-alt);border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--tx-sub);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker,.article-body ol li::marker{color:var(--c-primary);}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:24px 0;min-width:520px;}
.article-body table,.article-body th,.article-body td{border:1px solid var(--line);}
.article-body th{background:var(--bg-alt);color:var(--c-primary-soft);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;}
.article-body tbody tr:nth-child(even){background:rgba(16,31,51,.6);}
.table-wrap{overflow-x:auto;border-radius:12px;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--tx-sub);background:var(--bg-alt);
}
.empty-state strong{display:block;font-size:19px;color:var(--tx-main);margin-bottom:10px;}
.empty-state .btn{margin-top:20px;}

/* ---------- cta bar ---------- */
.cta-bar{
  margin-top:56px;padding:28px 30px;border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(18,217,176,.14),rgba(110,91,255,.14));
  border:1px solid var(--line-strong);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-bar p{font-size:18px;font-weight:600;}
.cta-bar span{display:block;font-size:13.5px;color:var(--tx-sub);font-weight:400;margin-top:6px;}
.cta-bar .actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- related ---------- */
.related{padding:72px 0;background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:640px;margin-bottom:36px;}
.section-head h2{font-size:32px;font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--tx-sub);font-size:15px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--c-primary),rgba(18,217,176,0));}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.card-media{aspect-ratio:16/9;overflow:hidden;border-radius:0;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.card-body p{font-size:13.5px;color:var(--tx-sub);line-height:1.7;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12.5px;color:var(--tx-weak);}
.card-foot .mnum{font-family:var(--font-num);font-size:14px;}

/* ---------- faq ---------- */
.faq-section{padding:80px 0;background:var(--bg-base);}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
.faq-side h2{font-size:32px;font-weight:700;margin-bottom:14px;}
.faq-side p{color:var(--tx-sub);font-size:15px;margin-bottom:20px;}
.faq-side img{border-radius:var(--r-card);aspect-ratio:4/3;object-fit:cover;width:100%;}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 20px;min-height:56px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .num{font-family:var(--font-num);font-size:16px;color:var(--c-primary);letter-spacing:1px;}
.faq-item summary .sign{margin-left:auto;font-family:var(--font-num);font-size:20px;color:var(--c-primary);transition:transform .2s ease;}
.faq-item[open] summary .sign{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--tx-sub);}

/* ---------- footer ---------- */
.site-footer{background:#050D16;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--tx-sub);line-height:1.8;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin:16px 0 18px;font-size:13px;color:var(--tx-weak);}
.socials{display:flex;gap:10px;}
.socials a{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);color:var(--tx-sub);transition:color .2s ease,border-color .2s ease,transform .2s ease;}
.socials a:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}
.socials svg{width:18px;height:18px;}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--tx-sub);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:52px;padding:20px 0 28px;border-top:1px solid rgba(127,243,222,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:var(--tx-weak);
}

/* ---------- responsive ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:220px minmax(0,1fr);}
  .toc{display:block;position:sticky;top:110px;align-self:start;border-left:1px solid var(--line);padding-left:18px;}
  .toc p{font-size:12px;letter-spacing:1.2px;color:var(--tx-weak);margin-bottom:14px;}
  .toc a{display:block;font-size:13.5px;color:var(--tx-sub);padding:7px 0;transition:color .2s ease,padding .2s ease;}
  .toc a:hover{color:var(--c-primary);padding-left:6px;}
  .article-body .table-wrap{margin:24px 0;}
}
@media (max-width:1199px){
  .header-inner{gap:18px;}
  .nav-list>li>a{padding:10px 10px;font-size:14px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(340px,88vw);
    background:rgba(8,18,30,.98);border-left:1px solid var(--line);
    padding:96px 22px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s ease;
  }
  .main-nav.is-open{transform:translateX(0);box-shadow:-30px 0 60px -30px rgba(0,0,0,.9);}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-list>li>a{padding:12px 14px;font-size:15px;}
  .nav-list>li>a.active{box-shadow:inset 2px 0 0 var(--c-primary);border-radius:8px;}
  .mega{position:static;width:auto;opacity:1;visibility:visible;transform:none;grid-template-columns:1fr;background:rgba(16,31,51,.6);margin-top:8px;display:none;}
  .has-mega.is-expanded .mega{display:grid;}
  .header-cta .btn-primary{display:none;}
  .page-banner h1{font-size:30px;}
  .article-body h2{font-size:24px;}
  .article-body h3{font-size:18px;}
  .article-body{font-size:16px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section-head h2,.faq-side h2,.article-body h2{font-size:24px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .banner-inner{padding:40px 0 32px;}
  .page-banner h1{font-size:26px;}
  .article-section{padding:44px 0 64px;}
  .related{padding:52px 0;}
  .faq-section{padding:56px 0;}
  .related-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px 20px;}
  .cta-bar .actions{width:100%;}
  .cta-bar .actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .page-banner h1{font-size:23px;}
  .article-body{font-size:15.5px;}
  .article-body h2{font-size:21px;}
  .meta-row{font-size:12.5px;gap:8px 12px;}
  .btn{padding:11px 18px;font-size:14px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12D9B0;
  --c-primary-deep:#0B8C77;
  --c-primary-soft:#7FF3DE;
  --c-violet:#6E5BFF;
  --c-amber:#FFB13D;
  --bg-base:#08121E;
  --bg-alt:#0C1A2B;
  --bg-card:#101F33;
  --line:rgba(127,243,222,.14);
  --line-strong:rgba(127,243,222,.28);
  --text:#E8F4F2;
  --text-2:#9DB3C4;
  --text-3:#6B8296;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --shadow-card:0 0 0 1px rgba(127,243,222,.10), 0 18px 40px -24px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(127,243,222,.28), 0 22px 46px -22px rgba(0,0,0,.85);
  --container:1200px;
  --font-num:"Barlow Condensed","Rajdhani","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;
  background:var(--bg-base);color:var(--text);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--c-primary-soft);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
h2 .accent{color:var(--c-primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#12D9B0,#0B8C77);color:#04140F;box-shadow:0 12px 32px -14px rgba(18,217,176,.85)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 42px -14px rgba(18,217,176,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.3)}
.btn-ghost{background:rgba(16,31,51,.55);border-color:rgba(127,243,222,.28);color:var(--c-primary-soft)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--text);background:rgba(16,31,51,.8)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;background:rgba(110,91,255,.16);
  border:1px solid rgba(110,91,255,.42);color:#C4BAFF;
}
.tag-primary{background:rgba(18,217,176,.14);border-color:rgba(18,217,176,.4);color:var(--c-primary-soft)}
.tag-amber{background:rgba(255,177,61,.14);border-color:rgba(255,177,61,.45);color:var(--c-amber)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,18,30,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 14px 34px -26px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px;transition:height .25s ease}
.site-header.scrolled .header-inner{height:62px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  font-family:var(--font-num);font-size:17px;font-weight:700;letter-spacing:.02em;
  color:#04140F;background:linear-gradient(135deg,#12D9B0,#6E5BFF);
  box-shadow:0 8px 22px -12px rgba(18,217,176,.9);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.logo-text em{font-style:normal;color:var(--c-primary);font-family:var(--font-num);font-size:19px}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list > li{position:relative}
.nav-list > li > a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;font-size:15px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-list > li > a:hover{color:var(--text);background:rgba(127,243,222,.07)}
.nav-list > li > a.active{color:var(--c-primary)}
.nav-list > li > a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-caret{width:10px;height:10px;transition:transform .2s ease}
.has-mega:hover .nav-caret,.has-mega:focus-within .nav-caret{transform:rotate(180deg)}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(16,31,51,.7);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* mega */
.mega{
  position:absolute;top:calc(100% + 16px);left:50%;
  transform:translateX(-50%) translateY(-8px);
  width:720px;padding:22px;
  display:grid;grid-template-columns:1.05fr 1.2fr .85fr;gap:20px;
  background:rgba(16,31,51,.72);
  backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
  border-radius:var(--r-glass);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
  z-index:80;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--text-3);margin-bottom:12px}
.mega-cat{display:flex;gap:10px;padding:8px;border-radius:12px;transition:background .2s ease}
.mega-cat:hover{background:rgba(18,217,176,.09)}
.mega-cat img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mega-cat b{display:block;font-size:14px;font-weight:600}
.mega-cat i{display:block;font-style:normal;font-size:12px;color:var(--text-3);line-height:1.5}
.mega-news li{border-bottom:1px dashed var(--line)}
.mega-news li:last-child{border-bottom:0}
.mega-news a{display:block;font-size:14px;padding:9px 0 3px;color:var(--text-2);transition:color .2s ease}
.mega-news a:hover{color:var(--c-primary)}
.mega-news time{display:block;font-size:12px;color:var(--text-3);padding-bottom:8px}
.mega-entry{
  border:1px solid rgba(18,217,176,.34);border-radius:14px;padding:16px;
  background:rgba(18,217,176,.06);
}
.mega-entry p{font-size:14px;font-weight:600;margin-bottom:6px}
.mega-entry span{display:block;font-size:12.5px;color:var(--text-2);line-height:1.6;margin-bottom:14px}

/* mobile drawer */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:var(--bg-alt);border-left:1px solid var(--line);
  padding:84px 24px 32px;z-index:120;
  transform:translateX(102%);transition:transform .3s ease;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer a{display:block;padding:13px 0;font-size:16px;border-bottom:1px solid var(--line);color:var(--text-2)}
.mobile-drawer a.active{color:var(--c-primary)}
.mobile-drawer .drawer-foot{margin-top:26px}
.mobile-drawer .drawer-foot p{font-size:13px;color:var(--text-3);margin-bottom:14px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,10,18,.66);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:20px 0 0;font-size:13.5px;color:var(--text-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--text-3);opacity:.6}
.breadcrumb li:last-child::after{display:none}
.breadcrumb li:last-child{color:var(--text-2)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;margin-top:18px;border-radius:0}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,18,30,.94) 12%,rgba(8,18,30,.62) 62%,rgba(8,18,30,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0;min-height:280px;display:flex;flex-direction:column;justify-content:center;gap:16px;max-width:780px}
.page-hero h1{font-size:44px}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.page-hero p{color:var(--text-2);font-size:16.5px;max-width:620px}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--c-primary-soft);margin-top:4px}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-primary)}

/* ---------- split note + feature grid ---------- */
.split-note{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.note-col h2{font-size:28px;margin-bottom:16px}
.note-col p{color:var(--text-2);font-size:15.5px}
.tick-list{margin:22px 0 26px;display:grid;gap:10px}
.tick-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.tick-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:5px;
  background:rgba(18,217,176,.16);
  box-shadow:inset 0 0 0 1px rgba(18,217,176,.5);
}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
.feature-col{display:grid;gap:20px}
.feature-col.is-offset{margin-top:30px}
.f-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.f-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),rgba(18,217,176,0));
}
.f-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.f-card h3{font-size:19px;margin-bottom:10px}
.f-card p{font-size:14.5px;color:var(--text-2)}
.f-card.f-lg{min-height:250px}
.f-card.f-md{min-height:180px}
.f-card.f-sm{min-height:160px}
.f-index{
  font-family:var(--font-num);font-size:30px;color:rgba(127,243,222,.4);
  line-height:1;margin-bottom:12px;letter-spacing:.04em;
}
.f-card ul{margin-top:14px;display:grid;gap:8px}
.f-card ul li{font-size:13.5px;color:var(--text-3);padding-left:14px;position:relative}
.f-card ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:1px;background:var(--c-primary)}
.f-card .cover{
  margin:-24px -24px 18px;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;
  aspect-ratio:16/9;
}
.f-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.f-card:hover .cover img{transform:scale(1.04)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;position:relative;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.step-num{
  font-family:var(--font-num);font-size:34px;line-height:1;color:rgba(127,243,222,.34);
  letter-spacing:.04em;display:block;margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- scene list ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene{
  display:flex;gap:14px;padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(16,31,51,.9),rgba(16,31,51,.6));
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;
}
.scene:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.scene-icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(18,217,176,.12);border:1px solid rgba(18,217,176,.32);
  color:var(--c-primary);
}
.scene-icon svg{width:20px;height:20px}
.scene h3{font-size:16px;margin-bottom:6px}
.scene p{font-size:13.8px;color:var(--text-2)}

/* ---------- data strip ---------- */
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.data-item{background:var(--bg-alt);padding:26px 22px;text-align:center}
.data-item b{display:block;font-family:var(--font-num);font-size:36px;color:var(--c-primary);line-height:1.1;letter-spacing:.02em}
.data-item span{display:block;font-size:13.5px;color:var(--text-3);margin-top:8px}

/* ---------- form ---------- */
.consult-wrap{
  background:rgba(16,31,51,.55);backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);border-radius:var(--r-glass);
  padding:32px;position:relative;box-shadow:var(--shadow-card);
}
.consult-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.consult-head h2{font-size:30px;margin-bottom:8px}
.consult-head p{color:var(--text-2);font-size:15px}
.badge-response{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:999px;
  font-size:12.5px;color:var(--c-primary-soft);
  background:rgba(18,217,176,.1);border:1px solid rgba(18,217,176,.36);
}
.badge-response::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(18,217,176,.16)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--text-2)}
.field input,.field select,.field textarea{
  background:rgba(8,18,30,.85);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 14px;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--line-strong)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,217,176,.16);
  background:rgba(8,18,30,.95);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9DB3C4 50%),linear-gradient(135deg,#9DB3C4 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field .hint{font-size:12px;color:#FF6B7A;display:none}
.field.error input,.field.error select,.field.error textarea{border-color:#FF6B7A}
.field.error .hint{display:block}
.form-note{
  display:none;align-items:center;gap:10px;margin:0 0 18px;
  padding:10px 16px;border-radius:999px;font-size:14px;
  color:#04140F;background:linear-gradient(135deg,#7FF3DE,#12D9B0);
}
.form-note.show{display:inline-flex}
.form-actions{display:flex;justify-content:flex-end;margin-top:24px}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:30px;margin-bottom:14px}
.faq-aside p{color:var(--text-2);font-size:15px;margin-bottom:22px}
.faq-aside .aside-img{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.faq-aside .aside-img img{width:100%;height:100%;object-fit:cover}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:0 20px;min-height:56px;font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-num{font-family:var(--font-num);font-size:16px;color:var(--c-primary);letter-spacing:.06em;flex:0 0 auto}
.faq-sign{position:relative;width:20px;height:20px;margin-left:auto;flex:0 0 auto}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-primary-soft);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-sign::before{top:9px;left:0;width:20px;height:2px}
.faq-sign::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-body{padding:0 20px 20px 56px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- cta band ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:32px 36px;border-radius:var(--r-glass);
  background:linear-gradient(120deg,rgba(18,217,176,.16),rgba(110,91,255,.16));
  border:1px solid var(--line-strong);
}
.cta-band h2{font-size:24px;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--text-2)}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-alt);position:relative;margin-top:20px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(18,217,176,0),rgba(18,217,176,.7),rgba(18,217,176,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand p{font-size:14px;color:var(--text-2);margin:16px 0 18px;max-width:340px}
.footer-contact{display:grid;gap:6px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.socials a:hover{color:var(--c-primary);border-color:var(--line-strong);transform:translateY(-2px)}
.socials svg{width:19px;height:19px}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.site-domain{color:var(--text-3);letter-spacing:.02em}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-list > li > a{padding:10px 11px;font-size:14.5px}
  .header-inner{gap:22px}
  .mega{width:640px}
  .page-hero h1{font-size:38px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta .btn{display:none}
  .split-note{grid-template-columns:1fr;gap:32px}
  .feature-grid{grid-template-columns:1fr}
  .feature-col.is-offset{margin-top:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:30px}
  .data-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .page-hero h1{font-size:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head h2{font-size:24px}
  .page-hero-inner{padding:44px 0;min-height:0}
  .page-hero h1{font-size:27px}
  .page-hero p{font-size:15px}
  .btn{width:100%}
  .page-hero-actions .btn,.cta-band-actions .btn{width:100%}
  .form-grid{grid-template-columns:1fr}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%}
  .consult-wrap{padding:22px}
  .cta-band{padding:24px}
  .faq-body{padding-left:20px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .data-strip{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .page-hero h1{font-size:24px}
  .note-col h2{font-size:22px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#12D9B0;
  --c-primary-deep:#0B8C77;
  --c-primary-soft:#7FF3DE;
  --c-violet:#6E5BFF;
  --c-amber:#FFB13D;
  --bg-base:#08121E;
  --bg-alt:#0C1A2B;
  --bg-card:#101F33;
  --line:rgba(127,243,222,.14);
  --line-strong:rgba(127,243,222,.28);
  --text:#E8F4F2;
  --text-2:#9DB3C4;
  --text-3:#6B8296;
  --danger:#FF6B7A;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-line:0 0 0 1px rgba(127,243,222,.10),0 18px 40px -24px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(127,243,222,.28),0 22px 46px -22px rgba(0,0,0,.85),0 0 26px -10px rgba(18,217,176,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","Helvetica Neue",Arial,sans-serif;
  --sec-pad:88px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-base);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{line-height:1.25;letter-spacing:0;font-weight:700;}
h1{font-size:44px;}
h2{font-size:32px;}
h3{font-size:20px;}
p{color:var(--text-2);}
.num{font-family:var(--font-num);letter-spacing:.02em;}

/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:14px;height:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#04161A;
  box-shadow:0 12px 32px -16px rgba(18,217,176,.9);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 38px -14px rgba(18,217,176,1);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.35);}
.btn-ghost{
  background:rgba(16,31,51,.55);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{
  background:transparent;border-color:rgba(127,243,222,.22);color:var(--text-2);padding:10px 18px;font-size:14px;
}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;pointer-events:none;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-primary{background:rgba(18,217,176,.12);color:var(--c-primary);border:1px solid rgba(18,217,176,.32);}
.badge-violet{background:rgba(110,91,255,.18);color:#B7ACFF;border:1px solid rgba(110,91,255,.42);}
.badge-amber{background:rgba(255,177,61,.14);color:var(--c-amber);border:1px solid rgba(255,177,61,.36);}

.section{padding:var(--sec-pad) 0;border-top:1px solid var(--line);position:relative;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{position:relative;padding-left:16px;margin-bottom:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-deep));
}
.section-head p{font-size:16px;max-width:640px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(8,18,30,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{background:rgba(8,18,30,.96);box-shadow:0 12px 30px -22px rgba(0,0,0,.9);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease;}
.site-header.scrolled .header-inner{height:62px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#04161A;font-family:var(--font-num);font-weight:800;font-size:15px;
  box-shadow:0 8px 22px -12px rgba(18,217,176,.9);
}
.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:0;}
.logo-text em{font-style:normal;color:var(--c-primary);font-family:var(--font-num);font-weight:800;}

.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-list > li{position:relative;}
.nav-list > li > a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 0;font-size:15px;color:var(--text-2);
  transition:color .2s ease;
}
.nav-list > li > a:hover{color:var(--text);}
.nav-list > li > a.active{color:var(--c-primary);}
.nav-list > li > a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 12px rgba(18,217,176,.7);
}
.nav-caret{width:10px;height:10px;transition:transform .2s ease;}
.has-mega:hover .nav-caret,.has-mega.open .nav-caret{transform:rotate(180deg);}

.mega{
  position:absolute;top:calc(100% + 16px);left:50%;
  width:720px;transform:translate(-50%,8px);
  display:grid;grid-template-columns:1fr 1fr .92fr;gap:22px;
  padding:22px;border-radius:var(--r-glass);
  background:rgba(16,31,51,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
  box-shadow:var(--shadow-line);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
}
.has-mega:hover .mega,.has-mega.open .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;}
.mega-cat{display:flex;gap:12px;padding:10px;border-radius:12px;transition:background .2s ease;align-items:center;}
.mega-cat:hover{background:rgba(18,217,176,.08);}
.mega-cat img{width:64px;height:48px;object-fit:cover;border-radius:8px;border:1px solid var(--line);flex-shrink:0;}
.mega-cat b{display:block;font-size:14px;font-weight:600;color:var(--text);}
.mega-cat i{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:2px;}
.mega-news li{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:9px 0;border-bottom:1px dashed rgba(127,243,222,.10);}
.mega-news li:last-child{border-bottom:none;}
.mega-news a{font-size:13.5px;color:var(--text-2);transition:color .2s ease,padding-left .2s ease;}
.mega-news a:hover{color:var(--c-primary);padding-left:4px;}
.mega-news time{font-size:11.5px;color:var(--text-3);white-space:nowrap;}
.mega-entry{
  border:1px solid rgba(18,217,176,.32);border-radius:14px;padding:16px;
  background:linear-gradient(160deg,rgba(18,217,176,.10),rgba(110,91,255,.08));
  display:flex;flex-direction:column;gap:8px;
}
.mega-entry p{font-size:15px;font-weight:600;color:var(--text);}
.mega-entry span{font-size:12.5px;color:var(--text-2);line-height:1.6;}
.mega-entry .btn{margin-top:6px;padding:9px 16px;font-size:13px;}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-strong);align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,10,18,.7);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:90;
  background:var(--bg-alt);border-left:1px solid var(--line);
  padding:24px 22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
}
.mobile-drawer.open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--text-2);}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary);}
.drawer-nav li{border-bottom:1px solid var(--line);}
.drawer-nav a{display:block;padding:14px 2px;font-size:16px;color:var(--text-2);}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--c-primary);}
.drawer-sub{padding:6px 0 14px 14px;}
.drawer-sub a{display:block;padding:8px 0;font-size:14px;color:var(--text-3);}
.drawer-sub a:hover{color:var(--c-primary);}
.drawer-foot{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:13px;color:var(--text-3);}

/* ============ 页面横幅 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,18,30,.94),rgba(8,18,30,.72) 55%,rgba(12,26,43,.86));
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(127,243,222,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(127,243,222,.5) 1px,transparent 1px);
  background-size:48px 48px;
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 60px;min-height:280px;display:flex;flex-direction:column;justify-content:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);transition:color .2s ease;}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:rgba(107,130,150,.6);}
.page-hero h1{font-size:44px;max-width:820px;margin-bottom:16px;}
.page-hero h1 em{font-style:normal;color:var(--c-primary);font-family:var(--font-num);font-weight:800;}
.page-hero-sub{font-size:16px;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 栏目说明 ============ */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.intro-text p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.intro-text p:last-child{margin-bottom:0;}
.intro-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px;}
.intro-point{
  background:var(--bg-card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  position:relative;overflow:hidden;
}
.intro-point::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),transparent);
}
.intro-point b{display:block;font-size:14.5px;color:var(--text);font-weight:600;margin-bottom:4px;}
.intro-point span{font-size:13px;color:var(--text-3);line-height:1.6;}
.intro-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-line);
}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease;}
.intro-figure:hover img{transform:scale(1.03);}
.intro-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(8,18,30,.92));
  font-size:13px;color:var(--text-2);
}

/* ============ 权益速览（横滑） ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:rgba(127,243,222,.35) transparent;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:rgba(127,243,222,.06);border-radius:999px;}
.rail::-webkit-scrollbar-thumb{background:rgba(127,243,222,.35);border-radius:999px;}
.rail-item{
  flex:0 0 268px;scroll-snap-align:start;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;position:relative;overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rail-item::before{
 内容:none;
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),rgba(18,217,176,0));
}
.rail-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.rail-idx{font-family:var(--font-num);font-size:13px;color:var(--c-primary);letter-spacing:.14em;}
.rail-item h3{font-size:17px;margin:10px 0 8px;}
.rail-item p{font-size:13.5px;line-height:1.7;color:var(--text-3);}
.rail-hint{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;margin-top:4px;}
.rail-hint::before{content:"";width:22px;height:1px;background:var(--c-primary);display:block;}

/* ============ 档次纵向列表 ============ */
.tier-list{display:flex;flex-direction:column;gap:18px;}
.tier{
  display:grid;grid-template-columns:92px 1fr 210px;gap:28px;align-items:start;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;position:relative;overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.tier::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),rgba(18,217,176,0) 70%);
}
.tier:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.tier.pick{border-color:rgba(110,91,255,.5);}
.tier.pick::before{background:linear-gradient(90deg,var(--c-violet),rgba(110,91,255,0) 70%);}
.tier-num{font-family:var(--font-num);font-size:46px;line-height:1;color:rgba(127,243,222,.28);font-weight:700;}
.tier.pick .tier-num{color:rgba(183,172,255,.4);}
.tier-main h3{font-size:21px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.tier-scope{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.tier-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 22px;}
.tier-facts li{
  position:relative;padding-left:20px;font-size:14px;color:var(--text-2);line-height:1.7;
}
.tier-facts li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:rgba(18,217,176,.18);border:1px solid rgba(18,217,176,.55);
}
.tier-side{display:flex;flex-direction:column;gap:12px;padding-top:4px;}
.tier-price{
  font-size:13px;color:var(--text-3);border:1px dashed rgba(127,243,222,.22);
  border-radius:10px;padding:10px 12px;text-align:center;
}
.tier-price b{display:block;font-family:var(--font-num);font-size:22px;color:var(--text);letter-spacing:.04em;margin-top:2px;font-weight:600;}

/* ============ 选档流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 20px;position:relative;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:rgba(18,217,176,.12);border:1px solid rgba(18,217,176,.34);
  color:var(--c-primary);font-family:var(--font-num);font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:13.5px;line-height:1.7;color:var(--text-3);}
.step-line{position:absolute;right:-12px;top:40px;width:24px;height:1px;background:rgba(127,243,222,.22);}
.steps .step:last-child .step-line{display:none;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side h2{position:relative;padding-left:16px;margin-bottom:14px;}
.faq-side h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-deep));
}
.faq-side p{font-size:15px;margin-bottom:22px;}
.faq-side img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-line);}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:16px 20px;min-height:56px;
  cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-index{font-family:var(--font-num);font-size:15px;color:var(--c-primary);letter-spacing:.06em;flex-shrink:0;}
.faq-icon{
  margin-left:auto;width:22px;height:22px;position:relative;flex-shrink:0;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .25s ease,background .25s ease;
}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px;}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-item[open] .faq-icon::before{background:var(--c-primary);}
.faq-body{padding:0 20px 20px 48px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ 咨询表单 / CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(12,26,43,.98),rgba(8,18,30,.98));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background:repeating-linear-gradient(12deg,var(--c-primary-soft) 0 2px,transparent 2px 16px);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,217,176,.16),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.cta-copy h2{font-size:30px;margin-bottom:14px;}
.cta-copy p{font-size:15.5px;margin-bottom:22px;max-width:460px;}
.cta-points{display:flex;flex-direction:column;gap:10px;}
.cta-points li{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px;}
.cta-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex-shrink:0;
  box-shadow:0 0 10px rgba(18,217,176,.8);
}
.form-card{
  background:rgba(16,31,51,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
  border-radius:var(--r-glass);
  padding:28px;position:relative;
  box-shadow:var(--shadow-line);
}
.form-badge{position:absolute;top:-12px;right:22px;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:var(--text-2);font-weight:500;}
.field input,.field select,.field textarea{
  background:rgba(8,18,30,.72);
  border:1px solid rgba(127,243,222,.18);
  border-radius:var(--r-btn);
  padding:12px 14px;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(18,217,176,.14);
  background:rgba(8,18,30,.9);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field.error input,.field.error select,.field.error textarea{border-color:var(--danger);}
.field .err{font-size:12px;color:var(--danger);display:none;}
.field.error .err{display:block;}
.form-note{
  display:none;align-items:center;gap:10px;margin-top:16px;
  background:rgba(18,217,176,.14);border:1px solid rgba(18,217,176,.36);
  color:var(--c-primary-soft);border-radius:var(--r-pill);
  padding:9px 16px;font-size:13px;
}
.form-note.show{display:inline-flex;}
.form-actions{margin-top:20px;display:flex;justify-content:flex-end;}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-base);padding:64px 0 0;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,217,176,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:var(--text-3);max-width:330px;margin-bottom:18px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-3);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.socials a svg{width:18px;height:18px;}
.socials a:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}
.footer-col h3{font-size:15px;color:var(--text);margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:var(--text-3);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--c-primary);padding-left:4px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom .site-domain{color:var(--text-3);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:38px;}
  .page-hero h1{font-size:38px;}
  h2{font-size:28px;}
  .main-nav{margin-left:16px;}
  .nav-list{gap:18px;}
  .nav-list > li > a{font-size:14.5px;}
  .mega{width:640px;}
}
@media (max-width:1099px){
  .mega{display:none;}
  .has-mega:hover .mega{display:none;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-side img{aspect-ratio:16/9;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-line{display:none;}
  .tier{grid-template-columns:72px 1fr;gap:20px;}
  .tier-side{grid-column:1 / -1;flex-direction:row;align-items:center;gap:14px;padding-top:0;}
  .tier-price{flex:1;text-align:left;}
  .tier-side .btn{width:180px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  .container{padding:0 16px;}
  h1{font-size:30px;}
  .page-hero h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  body{font-size:15.5px;}
  .page-hero-inner{padding:40px 0 44px;min-height:auto;}
  .page-hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .intro-points{grid-template-columns:1fr;}
  .tier-facts{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions .btn{width:100%;}
  .form-card{padding:22px 18px;}
  .rail-item{flex:0 0 232px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq-body{padding-left:20px;}
}
@media (max-width:520px){
  h1{font-size:27px;}
  .page-hero h1{font-size:27px;}
  h2{font-size:22px;}
  .logo-text{font-size:17px;}
  .tier{padding:22px 18px;}
  .tier-num{font-size:36px;}
  .tier-side{flex-direction:column;align-items:stretch;}
  .tier-side .btn{width:100%;}
  .cta-band{padding:54px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#12D9B0;
  --c-primary-deep:#0B8C77;
  --c-primary-soft:#7FF3DE;
  --c-violet:#6E5BFF;
  --c-amber:#FFB13D;
  --bg-base:#08121E;
  --bg-alt:#0C1A2B;
  --bg-card:#101F33;
  --line:rgba(127,243,222,.14);
  --line-strong:rgba(127,243,222,.28);
  --tx:#E8F4F2;
  --tx-2:#9DB3C4;
  --tx-3:#6B8296;
  --danger:#FF6B7A;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 0 0 1px rgba(127,243,222,.10),0 18px 40px -24px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(127,243,222,.28),0 0 28px -8px rgba(18,217,176,.35),0 22px 44px -26px rgba(0,0,0,.85);
  --glass:rgba(16,31,51,.55);
  --gap:24px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Rajdhani",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--tx);
  background:var(--bg-base);
  background-image:radial-gradient(1000px 500px at 12% -10%,rgba(18,217,176,.10),transparent 62%),radial-gradient(760px 420px at 92% 4%,rgba(110,91,255,.10),transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--tx)}
::selection{background:rgba(18,217,176,.32);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head h2::before{content:"";display:inline-block;width:4px;height:22px;background:var(--c-primary);border-radius:2px;margin-right:12px;vertical-align:-3px}
.section-head p{color:var(--tx-2);font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--c-primary);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-primary);opacity:.7}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#04140F;box-shadow:0 0 0 1px rgba(18,217,176,.35),0 12px 30px -14px rgba(18,217,176,.65)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(18,217,176,.55),0 0 26px -4px rgba(18,217,176,.6),0 16px 32px -14px rgba(18,217,176,.7)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35)}
.btn-ghost{background:rgba(16,31,51,.5);border-color:var(--line-strong);color:var(--tx);backdrop-filter:blur(10px)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:transparent;border:1px solid var(--line-strong);color:var(--tx-2);padding:10px 18px;font-size:14px}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-full{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-primary{background:rgba(18,217,176,.14);color:var(--c-primary);border:1px solid rgba(18,217,176,.3)}
.badge-violet{background:rgba(110,91,255,.16);color:#B9AEFF;border:1px solid rgba(110,91,255,.35)}
.badge-amber{background:rgba(255,177,61,.14);color:var(--c-amber);border:1px solid rgba(255,177,61,.32)}
.tag{display:inline-block;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;color:var(--tx-2);background:rgba(127,243,222,.07);border:1px solid var(--line)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,18,30,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,padding .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(8,18,30,.92)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:62px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#04140F;font-family:var(--font-num);font-size:18px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 0 20px -6px rgba(18,217,176,.7);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary)}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list>li{position:relative}
.nav-list>li>a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;
  font-size:15px;color:var(--tx-2);font-weight:500;position:relative;
}
.nav-list>li>a:hover{color:var(--tx);background:rgba(127,243,222,.06)}
.nav-list>li>a.active{color:var(--c-primary)}
.nav-list>li>a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-caret{width:10px;height:10px;transition:transform .2s ease}
.has-mega:hover .nav-caret,.has-mega.is-open .nav-caret{transform:rotate(180deg)}
.header-cta{margin-left:12px;padding:11px 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--tx);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tx);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,8px);
  width:720px;max-width:calc(100vw - 40px);
  display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:22px;
  padding:22px;border-radius:var(--r-glass);
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);
  box-shadow:0 28px 60px -30px rgba(0,0,0,.9);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.has-mega:hover .mega,.has-mega.is-open .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.mega-title{margin:0 0 12px;font-size:12px;letter-spacing:.14em;color:var(--c-primary);text-transform:uppercase}
.mega-cat{display:flex;gap:10px;padding:8px;border-radius:12px;transition:background .2s ease}
.mega-cat:hover{background:rgba(127,243,222,.07)}
.mega-cat img{width:64px;height:48px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.mega-cat span{display:flex;flex-direction:column;gap:2px}
.mega-cat b{font-size:14px;font-weight:600}
.mega-cat i{font-style:normal;font-size:12.5px;color:var(--tx-3)}
.mega-news li{display:flex;flex-direction:column;gap:2px;padding:8px 0;border-bottom:1px dashed rgba(127,243,222,.12)}
.mega-news li:last-child{border-bottom:0}
.mega-news a{font-size:14px;color:var(--tx-2);line-height:1.5}
.mega-news a:hover{color:var(--c-primary)}
.mega-news time{font-size:12px;color:var(--tx-3)}
.mega-entry{border:1px solid rgba(18,217,176,.35);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px;background:rgba(18,217,176,.05)}
.mega-entry p{font-size:14px;font-weight:600}
.mega-entry span{font-size:12.5px;color:var(--tx-3);line-height:1.6}
.mega-entry .btn{padding:9px 14px;font-size:13px}

/* ============ 内页横幅 ============ */
.hero-banner{position:relative;min-height:280px;display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,18,30,.94) 0%,rgba(8,18,30,.72) 46%,rgba(8,18,30,.55) 100%)}
.hero-banner::after{content:"";position:absolute;inset:0;z-index:2;background-image:linear-gradient(rgba(127,243,222,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(127,243,222,.05) 1px,transparent 1px);background-size:56px 56px;pointer-events:none;opacity:.6}
.hero-inner{position:relative;z-index:3;padding:56px 24px 44px}
.crumbs{font-size:13px;color:var(--tx-3);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.crumbs a:hover{color:var(--c-primary)}
.hero-inner h1{font-size:44px;max-width:820px;margin-bottom:14px}
.hero-sub{font-size:16px;color:var(--tx-2);max-width:640px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ============ 栏目说明 ============ */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.intro-text p{color:var(--tx-2);font-size:15.5px;margin-bottom:18px}
.intro-text p strong{color:var(--tx);font-weight:600}
.intro-points{display:grid;gap:12px;margin-top:26px}
.intro-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--tx-2)}
.intro-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-primary);margin-top:9px;flex-shrink:0;box-shadow:0 0 10px rgba(18,217,176,.8)}
.intro-panel{
  border-radius:var(--r-card);background:var(--bg-card);border:1px solid var(--line);
  box-shadow:var(--shadow);overflow:hidden;
}
.intro-panel .thumb{width:100%;aspect-ratio:16/10;object-fit:cover}
.intro-panel .body{padding:22px}
.intro-panel h3{font-size:18px;margin-bottom:8px}
.intro-panel p{font-size:14px;color:var(--tx-3);margin-bottom:16px}
.intro-stat{display:flex;gap:28px;padding-top:16px;border-top:1px solid var(--line)}
.intro-stat div span{display:block;font-family:var(--font-num);font-size:28px;color:var(--c-primary);line-height:1.1}
.intro-stat div small{font-size:12.5px;color:var(--tx-3)}

/* ============ 攻略内容列表 ============ */
.news-lead{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  border-radius:var(--r-card);overflow:hidden;background:var(--bg-card);
  border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:28px;
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.news-lead:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-lead .lead-media{overflow:hidden;min-height:260px}
.news-lead .lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-lead:hover .lead-media img{transform:scale(1.04)}
.news-lead .lead-body{padding:34px 36px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.news-lead h3{font-size:24px;line-height:1.35}
.news-lead p{font-size:15px;color:var(--tx-2)}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--tx-3);align-items:center}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-3);display:inline-block}

.news-list{display:grid;gap:12px}
.news-item{
  display:grid;grid-template-columns:168px 1fr auto;gap:22px;align-items:center;
  padding:20px;border-radius:14px;background:var(--bg-card);border:1px solid var(--line);
  position:relative;transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.news-item::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--c-primary);opacity:0;transition:opacity .25s ease}
.news-item:hover{border-color:var(--line-strong);transform:translateX(4px)}
.news-item:hover::before{opacity:1}
.news-item:hover h3{color:var(--c-primary)}
.news-item .thumb{width:168px;height:104px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.news-item .item-body h3{font-size:17px;margin-bottom:8px;transition:color .2s ease}
.news-item .item-body p{font-size:14px;color:var(--tx-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .item-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;text-align:right;min-width:112px}
.news-item .item-side time{font-size:13px;color:var(--tx-3);font-family:var(--font-num);letter-spacing:.04em}
.news-item .go{font-size:13px;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.news-item .go::after{content:"→";transition:transform .2s ease}
.news-item:hover .go::after{transform:translateX(4px)}

/* ============ 阅读路径 ============ */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.path-card{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  background:var(--bg-card);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease;
}
.path-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.path-card .num{font-family:var(--font-num);font-size:34px;color:rgba(127,243,222,.22);line-height:1;margin-bottom:12px}
.path-card h3{font-size:17px;margin-bottom:8px}
.path-card p{font-size:14px;color:var(--tx-3)}
.path-card::after{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;background:linear-gradient(90deg,var(--c-primary),transparent);opacity:.6;border-radius:2px}

/* ============ 主题矩阵 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  padding:24px;border-radius:var(--r-card);background:var(--bg-card);
  border:1px solid var(--line);display:flex;flex-direction:column;gap:10px;
  transition:border-color .25s ease,transform .25s ease;
}
.topic-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.topic-card .tag{align-self:flex-start}
.topic-card h3{font-size:17px}
.topic-card p{font-size:14px;color:var(--tx-3)}
.topic-card ul{display:grid;gap:7px;margin-top:4px}
.topic-card ul li{font-size:13.5px;color:var(--tx-2);padding-left:14px;position:relative}
.topic-card ul li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--c-primary-soft);opacity:.8}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side p{color:var(--tx-2);font-size:15px;margin:12px 0 22px}
.faq-side img{width:100%;border-radius:14px;border:1px solid var(--line);aspect-ratio:16/11;object-fit:cover}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s ease}
.faq-item.open{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:16px 20px;min-height:56px;font-size:15.5px;font-weight:600;color:var(--tx);
}
.faq-q:hover{color:var(--c-primary)}
.faq-idx{font-family:var(--font-num);font-size:16px;color:var(--c-primary);letter-spacing:.06em;flex-shrink:0}
.faq-icon{width:16px;height:16px;margin-left:auto;position:relative;flex-shrink:0}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);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-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 20px 52px;font-size:15px;line-height:1.8;color:var(--tx-2)}

/* ============ CTA 条 ============ */
.cta-bar{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid rgba(18,217,176,.35);background:var(--bg-alt);
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  padding:38px 40px;
}
.cta-bar::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(102deg,rgba(127,243,222,.05) 0 2px,transparent 2px 16px);pointer-events:none}
.cta-bar::after{content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;background:radial-gradient(circle,rgba(18,217,176,.18),transparent 68%);pointer-events:none}
.cta-bar .cta-copy{position:relative;z-index:2}
.cta-bar h2{font-size:26px;margin-bottom:10px}
.cta-bar p{font-size:15px;color:var(--tx-2);max-width:620px}
.cta-bar .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 表单 ============ */
.form-card{
  border-radius:var(--r-glass);background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid rgba(127,243,222,.16);box-shadow:var(--shadow);
  padding:32px;position:relative;
}
.form-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.form-head h2{font-size:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--tx-2)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(8,18,30,.7);border:1px solid var(--line);color:var(--tx);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,217,176,.15);outline:none}
.field .hint{font-size:12px;color:var(--tx-3)}
.field.error input,.field.error select,.field.error textarea{border-color:var(--danger)}
.field .err-msg{display:none;font-size:12px;color:var(--danger)}
.field.error .err-msg{display:block}
.form-actions{display:flex;justify-content:flex-end;margin-top:22px}
.form-note{
  display:none;align-items:center;gap:8px;margin-bottom:16px;
  padding:10px 16px;border-radius:var(--r-pill);font-size:13.5px;
  color:var(--c-primary);background:rgba(18,217,176,.10);border:1px solid rgba(18,217,176,.3);
}
.form-note.show{display:inline-flex}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:64px 0 0;margin-top:0;position:relative}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--c-primary),transparent);opacity:.5}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand p{font-size:14px;color:var(--tx-3);margin:16px 0;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--tx-2)}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--tx-2)}
.socials a:hover{color:var(--c-primary);border-color:var(--line-strong)}
.socials svg{width:18px;height:18px}
.footer-col h3{font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--tx-3)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--tx-3)}
.footer-bottom .plain{color:var(--tx-3)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-inner h1{font-size:36px}
  .nav-list>li>a{padding:10px 10px;font-size:14.5px}
  .header-cta{padding:10px 16px}
  .news-item{grid-template-columns:140px 1fr auto}
  .news-item .thumb{width:140px;height:92px}
}
@media (max-width:991px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .main-nav.is-open{
    display:block;position:fixed;top:62px;right:0;width:min(340px,86vw);bottom:0;
    background:rgba(8,18,30,.98);backdrop-filter:blur(16px);border-left:1px solid var(--line);
    padding:24px 20px;overflow-y:auto;z-index:90;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-list>li>a{padding:13px 12px;font-size:15.5px;border-radius:10px}
  .nav-list>li>a.active::after{display:none}
  .nav-list>li>a.active{background:rgba(18,217,176,.10)}
  .mega{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;width:100%;max-width:100%;grid-template-columns:1fr;box-shadow:none;margin-top:8px;display:none}
  .has-mega.is-open .mega{display:grid}
  .has-mega:hover .mega{transform:none}
  .intro-grid,.faq-grid{grid-template-columns:1fr;gap:32px}
  .news-lead{grid-template-columns:1fr}
  .news-lead .lead-media{min-height:210px}
  .news-lead .lead-body{padding:26px}
  .path-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-bar{grid-template-columns:1fr;padding:30px 24px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero-inner{padding:40px 16px 32px}
  .hero-inner h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .section{padding:48px 0}
  .section-head h2{font-size:24px}
  .section-head h2::before{height:18px}
  .news-item{grid-template-columns:1fr;gap:14px;padding:16px}
  .news-item .thumb{width:100%;height:160px}
  .news-item .item-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;min-width:0}
  .path-grid,.topic-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .form-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-a p{padding-left:20px}
  .cta-bar h2{font-size:22px}
  .hero-banner{min-height:240px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .hero-inner h1{font-size:26px}
  .logo-text{font-size:16.5px}
  .news-lead h3{font-size:20px}
  .news-lead .lead-body{padding:20px}
}