/* roulang page: index */
:root{
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35), 0 10px 26px rgba(43,110,246,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:var(--bg-900);
  --bs-body-color:var(--t1);
  --bs-border-radius:12px;
  --bs-link-color:var(--cyan);
  --bs-link-hover-color:#7af0e4;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--t1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,200,255,.034) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.034) 1px,transparent 1px);
  background-size:64px 64px;
}
main,header,footer{position:relative;z-index:1}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease)}
a:hover{color:#7af0e4}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.wrap{max-width:1320px}}
@media (max-width:575.98px){.wrap{padding:0 16px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;height:68px;display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:rgba(10,18,30,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;width:100%}
.brand{display:flex;align-items:center;gap:10px;color:var(--t1);flex:none}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:700;font-size:15px;color:#04121c;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:var(--glow);flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.brand-text em{font-style:normal;font-size:11px;color:var(--t3);letter-spacing:1.2px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.main-nav a{
  position:relative;padding:8px 13px;font-size:14.5px;color:var(--t2);border-radius:10px;
  transition:color var(--ease),background var(--ease);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--t1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--cyan)}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex:none}
.link-login{font-size:14.5px;color:var(--t2)}
.link-login:hover{color:var(--t1)}
.hamburger{
  display:none;width:42px;height:42px;border-radius:11px;background:var(--glass-bg);
  border:1px solid var(--glass-brd);color:var(--t1);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:16px;height:2px;background:var(--t1);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.hamburger.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.on span:nth-child(2){opacity:0}
.hamburger.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);font-size:14.5px;font-weight:600;line-height:1.2;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-glow{
  background:linear-gradient(135deg,var(--brand),var(--cyan));color:#04121c;border:none;box-shadow:var(--glow);
}
.btn-glow:hover{color:#04121c;transform:translateY(-2px);filter:brightness(1.06)}
.btn-ghost{background:var(--glass-bg);border-color:var(--glass-brd);color:var(--t1)}
.btn-ghost:hover{color:var(--t1);border-color:rgba(53,224,208,.5);transform:translateY(-2px);background:rgba(24,44,64,.7)}
.btn-gold{background:linear-gradient(135deg,#F5B942,#FFD98A);color:#2A1C02;font-weight:700;border:none}
.btn-gold:hover{color:#2A1C02;transform:translateY(-2px);filter:brightness(1.05)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-block{width:100%}
.btn-text{padding:0;background:none;border:none;color:var(--cyan);font-size:14px;font-weight:600}
.btn-text:hover{color:#7af0e4}

/* ===== 移动抽屉与底部 Tab ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,14,.62);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:80%;max-width:330px;z-index:1055;
  background:rgba(12,21,34,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-right:1px solid var(--glass-brd);padding:24px 20px;
  transform:translateX(-102%);transition:transform var(--ease);
}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:12px;letter-spacing:1.6px;color:var(--t3);text-transform:uppercase;margin-bottom:14px}
.drawer a{
  display:flex;align-items:center;height:44px;font-size:15px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.drawer a.active{color:var(--cyan)}
.drawer .drawer-open{margin-top:22px}
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:rgba(10,18,30,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab-inner{display:grid;grid-template-columns:repeat(5,1fr)}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;padding:9px 0 7px;font-size:10px;color:var(--t3);
}
.mobile-tab a.active{color:var(--cyan)}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,208,.85);
}
.mobile-tab svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ===== Hero ===== */
.hero{position:relative;padding:56px 0 64px;overflow:hidden}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,208,.45),transparent);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--cyan);margin-bottom:18px;font-weight:600;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,224,208,.9)}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.28;font-weight:700;
  letter-spacing:.5px;margin:0 0 18px;
}
.hero-sub{font-size:16.5px;color:var(--t2);max-width:540px;margin:0 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.trust-row{
  list-style:none;padding:24px 0 0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;border-top:1px solid var(--line);
}
.trust-row li{display:flex;gap:10px;align-items:flex-start}
.trust-ico{
  width:34px;height:34px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.22);
}
.trust-ico svg{width:17px;height:17px;fill:none;stroke:var(--cyan);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.trust-row strong{display:block;font-size:14.5px;font-weight:600;line-height:1.4}
.trust-row span{display:block;font-size:13px;color:var(--t3);line-height:1.5}
.hero-visual{
  position:relative;padding:10px;border-radius:var(--r-xl);
  background:var(--glass-bg);border:1px solid var(--glass-brd);box-shadow:var(--sh-2);
}
.hero-visual::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-hi),transparent);
}
.hero-visual img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;border-radius:14px}
.hero-visual::after{
  content:"";position:absolute;right:-28px;bottom:-28px;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.32),transparent 70%);pointer-events:none;
}

/* ===== 通用板块 ===== */
.section{padding:56px 0}
@media (min-width:992px){.section{padding:96px 0}}
.section-head{max-width:700px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:.5px;margin:0 0 12px}
.section-head p{color:var(--t2);margin:0;font-size:15.5px}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;
}
.section-head-row .section-head{margin-bottom:0}
.glass-card{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-brd);
  border-radius:var(--r-xl);padding:28px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.glass-card::before{
  content:"";position:absolute;top:0;left:22px;right:22px;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-hi),transparent);
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.38);box-shadow:var(--sh-2)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;background:rgba(43,110,246,.16);border:1px solid rgba(120,200,255,.24);color:#CFE6FF;
}
.tag-gold{background:linear-gradient(135deg,#F5B942,#FFD98A);border:none;color:#2A1C02;font-weight:700}
.tag-cyan{background:rgba(53,224,208,.14);border-color:rgba(53,224,208,.32);color:var(--cyan)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(120,200,255,.28),transparent);margin:0}

/* ===== 权益对比 ===== */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.compare-col{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-brd);
  border-radius:var(--r-xl);padding:26px 24px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.compare-col:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.35);box-shadow:var(--sh-2)}
.compare-col.featured{
  transform:translateY(-8px);border-color:rgba(53,224,208,.5);box-shadow:var(--glow);
  background:linear-gradient(180deg,rgba(27,50,72,.75),rgba(18,32,47,.55));
}
.compare-col.featured:hover{transform:translateY(-12px)}
.plan-flag{
  position:absolute;top:-13px;left:24px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:11.5px;font-weight:700;color:#2A1C02;background:linear-gradient(135deg,#F5B942,#FFD98A);
}
.plan-name{font-size:19px;font-weight:700;margin:0 0 4px}
.plan-desc{font-size:13px;color:var(--t3);margin:0 0 18px}
.plan-price{font-size:26px;font-weight:700;color:var(--gold);line-height:1.2}
.plan-price small{font-size:12.5px;font-weight:400;color:var(--t3);margin-left:6px}
.compare-list{list-style:none;margin:20px 0 22px;padding:0}
.compare-list li{
  display:flex;align-items:center;gap:10px;min-height:48px;font-size:14.5px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.compare-list li:last-child{border-bottom:none}
.mk{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;flex:none;line-height:1}
.mk.yes{background:rgba(53,224,208,.14);color:var(--cyan)}
.mk.no{background:rgba(255,255,255,.06);color:var(--t3)}

/* ===== 等级 bento ===== */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bento-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-xl);
  padding:26px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.bento-card::before{
  content:"";position:absolute;top:0;left:22px;right:22px;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-hi),transparent);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.38);box-shadow:var(--sh-2)}
.bento-card.big{grid-column:span 2;background:linear-gradient(140deg,rgba(30,58,84,.8),rgba(18,32,47,.5))}
.bento-card.wide{grid-column:span 2}
.lv-ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.26);
}
.lv-ico svg{width:20px;height:20px;fill:none;stroke:var(--cyan);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.lv-ico.gold{background:rgba(245,185,66,.12);border-color:rgba(245,185,66,.3)}
.lv-ico.gold svg{stroke:var(--gold)}
.bento-card h3{font-size:19px;font-weight:600;margin:0}
.bento-card.big h3{font-size:24px}
.bento-card .lv-sub{font-size:13px;color:var(--t3);margin:0}
.lv-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.lv-list li{display:flex;gap:9px;font-size:14px;color:var(--t2);align-items:flex-start}
.lv-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-top:9px;flex:none}
.bento-card .lv-price{font-size:22px;font-weight:700;color:var(--gold);margin-top:auto}
.bento-card .lv-price small{font-size:12.5px;font-weight:400;color:var(--t3);margin-left:6px}

/* ===== 专属内容预览 ===== */
.preview-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:stretch}
.preview-main{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--glass-brd);min-height:360px}
.preview-main img{width:100%;height:100%;min-height:360px;position:absolute;inset:0}
.preview-main .cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px;
  background:linear-gradient(to top,rgba(7,12,20,.94),rgba(7,12,20,.05));
}
.preview-main .cap h3{font-size:20px;margin:0 0 6px;font-weight:600}
.preview-main .cap p{font-size:14px;color:var(--t2);margin:0}
.preview-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mini-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.38);box-shadow:var(--sh-2)}
.mini-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.mini-card .thumb img{width:100%;height:100%;transition:transform var(--ease)}
.mini-card:hover .thumb img{transform:scale(1.03)}
.mini-card .body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.mini-card h4{font-size:15px;font-weight:600;margin:0;line-height:1.5}
.mini-card p{font-size:13px;color:var(--t3);margin:0;line-height:1.6}
.lock{
  position:absolute;top:10px;right:10px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;background:rgba(7,12,20,.6);border:1px solid rgba(245,185,66,.3);
}
.lock svg{width:13px;height:13px;fill:none;stroke:var(--gold);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.badge-gold{
  position:absolute;left:10px;top:10px;padding:3px 10px;border-radius:var(--r-pill);
  font-size:11px;font-weight:700;color:#2A1C02;background:linear-gradient(135deg,#F5B942,#FFD98A);
}

/* ===== 资讯列表 ===== */
.news-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.38);box-shadow:var(--sh-2)}
.news-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:rgba(18,32,47,.6)}
.news-cover img{width:100%;height:100%;transition:transform var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.badge-cat{
  position:absolute;left:12px;top:12px;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;
  background:rgba(43,110,246,.28);border:1px solid rgba(120,200,255,.32);color:#D7E9FF;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{
  font-size:17px;font-weight:600;margin:0;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--t1)}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{
  font-size:14px;color:var(--t2);margin:0;line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--t3);
}
.news-foot .arrow{transition:transform var(--ease);color:var(--t3);font-weight:600}
.news-card:hover .arrow{transform:translateX(3px);color:var(--cyan)}
.empty-state{
  text-align:center;padding:56px 24px;border-radius:var(--r-xl);
  background:var(--glass-bg);border:1px dashed var(--glass-brd);
}
.empty-state svg{width:38px;height:38px;fill:none;stroke:var(--t3);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.empty-state p{color:var(--t2);margin:0 0 10px;font-size:15px}

/* ===== FAQ ===== */
.faq .accordion-item{
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  border-radius:var(--r-lg)!important;margin-bottom:14px;overflow:hidden;
}
.faq .accordion-button{
  background:transparent;color:var(--t1);font-size:17px;font-weight:600;
  padding:20px 56px 20px 24px;box-shadow:none;position:relative;border-radius:var(--r-lg)!important;
}
.faq .accordion-button:not(.collapsed){color:var(--cyan);background:rgba(53,224,208,.05)}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.faq .accordion-button:focus{box-shadow:none;border-color:rgba(53,224,208,.4)}
.faq .accordion-button::after{
  content:"+";background-image:none;width:26px;height:26px;display:grid;place-items:center;
  font-size:19px;color:var(--t2);transition:transform .28s var(--ease),color var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"×";transform:rotate(90deg);color:var(--cyan)}
.faq .accordion-body{font-size:15px;color:var(--t2);padding:16px 24px 22px;border-top:1px solid var(--line)}

/* ===== CTA ===== */
.cta-card{
  position:relative;overflow:hidden;text-align:center;padding:56px 32px;border-radius:var(--r-xl);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 50% 0%,rgba(43,110,246,.28),transparent 62%);
}
.cta-card>*{position:relative;z-index:1}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:0 0 12px}
.cta-card p{color:var(--t2);max-width:600px;margin:0 auto 28px;font-size:15.5px}
.guarantees{
  list-style:none;padding:0;margin:32px 0 0;display:flex;justify-content:center;
  gap:34px;flex-wrap:wrap;
}
.guarantees li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--t2)}
.guarantees svg{width:16px;height:16px;fill:none;stroke:var(--cyan);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ===== 页脚 ===== */
.site-footer{margin-top:48px;background:var(--bg-800);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{font-size:13.5px;color:var(--t3);line-height:1.9;margin:0;max-width:320px}
.footer-grid h4{font-size:14px;font-weight:600;color:var(--t1);margin:0 0 18px;letter-spacing:.6px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-links a{color:var(--t2);font-size:14px}
.footer-links a:hover{color:var(--cyan)}
.footer-links li span{color:var(--t3);font-size:14px}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--cyan)}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .preview-grid{grid-template-columns:1fr}
  .preview-main{min-height:300px}
  .preview-main img{min-height:300px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .link-login{display:none}
  .mobile-tab{display:block}
  body{padding-bottom:66px}
  .hero{padding:36px 0 52px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .hero h1{font-size:clamp(26px,6.6vw,36px)}
  .trust-row{grid-template-columns:1fr;gap:14px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-card.big,.bento-card.wide{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767.98px){
  .compare{grid-template-columns:1fr}
  .compare-col.featured{transform:none}
  .compare-col.featured:hover{transform:translateY(-4px)}
  .preview-cards{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento-card.big,.bento-card.wide{grid-column:span 1}
  .cta-card{padding:40px 20px}
  .guarantees{gap:18px;flex-direction:column;align-items:center}
  .brand-text em{display:none}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .hero-cta{width:100%}
}

/* roulang page: article */
:root{
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35), 0 10px 26px rgba(43,110,246,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:Inter,ui-monospace,SFMono-Regular,Menlo,monospace;

  --bs-body-bg:#070C14;
  --bs-body-color:#EAF2FF;
  --bs-body-font-family:var(--font-sans);
  --bs-border-radius:16px;
  --bs-border-color:rgba(120,200,255,.14);
  --bs-link-color:#35E0D0;
  --bs-link-hover-color:#7cf1e4;
  --bs-emphasis-color:#EAF2FF;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--t1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,200,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease)}
a:hover{color:#7cf1e4}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.35}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;position:relative;z-index:1}
@media (min-width:992px){.wrap{padding:0 24px}}
@media (min-width:1440px){.wrap{max-width:1320px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(10,18,30,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  height:68px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  color:#04121a;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 18px rgba(43,110,246,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15.5px;color:var(--t1);letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:1.2px}
.main-nav{display:none;align-items:center;gap:4px;margin-left:12px}
.main-nav a{
  position:relative;color:var(--t2);font-size:14.5px;padding:10px 12px;border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--t1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--cyan)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-login{color:var(--t2);font-size:14.5px;display:none}
.nav-login:hover{color:var(--t1)}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:12px;border:1px solid transparent;
  background:linear-gradient(135deg,#2B6EF6,#35E0D0);
  color:#04121a !important;font-weight:700;font-size:14.5px;
  box-shadow:var(--glow);transition:transform var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:12px;font-weight:600;font-size:14.5px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--t1) !important;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,224,208,.5);box-shadow:var(--sh-2)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--t1);
  font-size:16px;
}
@media (min-width:992px){
  .main-nav{display:flex}
  .nav-login{display:inline-flex}
  .nav-toggle{display:none}
}
.drawer{
  position:fixed;top:0;left:0;height:100%;width:80%;max-width:340px;z-index:1050;
  background:rgba(10,18,30,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-right:1px solid var(--glass-brd);
  transform:translateX(-104%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  padding:22px 18px calc(22px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head .brand-text strong{font-size:14.5px}
.drawer-close{width:38px;height:38px;border-radius:10px;background:transparent;border:1px solid var(--glass-brd);color:var(--t2)}
.drawer a.d-link{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;
  color:var(--t2);font-size:15px;transition:background var(--ease),color var(--ease);
}
.drawer a.d-link:hover,.drawer a.d-link.active{background:rgba(53,224,208,.08);color:var(--cyan)}
.drawer .drawer-cta{margin-top:18px;width:100%}
.backdrop{
  position:fixed;inset:0;background:rgba(3,7,13,.6);z-index:1040;opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.backdrop.show{opacity:1;visibility:visible}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;font-size:13px;color:var(--t3)}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb-bar li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.18)}
.crumb-bar li:last-child::after{content:""}
.crumb-bar a{color:var(--t3)}
.crumb-bar a:hover{color:var(--cyan)}
.crumb-bar li:last-child{color:var(--t2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article-head h1{
  font-size:clamp(24px,3.6vw,40px);
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.5px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--t3)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;
  background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.3);color:var(--cyan);
}
.badge-gold{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;
  background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.34);color:var(--gold);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-num)}
.meta-item i{color:var(--t3);font-size:12px}

/* ============ 布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding-bottom:8px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,780px) 300px;gap:56px;justify-content:center}
}
.article-main{min-width:0}

/* ============ 正文排版 ============ */
.article-body{
  max-width:780px;
  font-size:16px;line-height:1.85;color:var(--t2);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;
  margin:44px 0 16px;
  padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);
  color:var(--t1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--brand));
}
.article-body h3{margin:28px 0 12px;font-size:19px;color:var(--t1);font-weight:600}
.article-body h4{margin:22px 0 10px;font-size:17px;color:var(--t1);font-weight:600}
.article-body strong{color:var(--t1);font-weight:600}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(53,224,208,.5)}
.article-body a:hover{border-bottom-style:solid}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--brand));
}
.article-body ol{counter-reset:li;padding-left:0}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:8px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.28em;width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;font-size:12px;font-family:var(--font-num);
  background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.3);color:var(--cyan);
}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;border-left:3px solid var(--cyan);
  background:var(--glass-bg);border-radius:var(--r-sm);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px auto;box-shadow:var(--sh-1);object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{color:var(--t1);font-weight:600;background:rgba(18,32,47,.6)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ============ 标签 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 30px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:999px;font-size:13px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--t2);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.tag-pill:hover{color:var(--cyan);border-color:rgba(53,224,208,.45);transform:translateY(-2px)}

/* ============ 上下篇双卡 ============ */
.pager-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:44px}
@media (min-width:768px){.pager-grid{grid-template-columns:1fr 1fr}}
.pager-card{
  display:block;padding:20px;border-radius:var(--r-md);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.pager-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-hi),transparent);
}
.pager-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.42);box-shadow:var(--sh-2)}
.pager-label{font-size:12.5px;color:var(--t3);letter-spacing:1.5px;margin-bottom:8px;display:block}
.pager-title{font-size:15.5px;font-weight:600;color:var(--t1);line-height:1.55}
.pager-card.next{text-align:right}

/* ============ 相关推荐 ============ */
.section-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.section-title h2{font-size:clamp(19px,2.2vw,24px);color:var(--t1)}
.section-title .more{font-size:13.5px;color:var(--t3);display:inline-flex;align-items:center;gap:6px}
.section-title .more:hover{color:var(--cyan)}
.rec-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:40px}
@media (min-width:576px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-md);background:var(--glass-bg);
  border:1px solid var(--glass-brd);box-shadow:var(--sh-1);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  height:100%;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.42);box-shadow:var(--sh-2)}
.rec-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700)}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.rec-card:hover .rec-cover img{transform:scale(1.04)}
.rec-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:16px;font-weight:600;color:var(--t1);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);font-family:var(--font-num)}
.rec-foot .arrow{transition:transform var(--ease);color:var(--cyan)}
.rec-card:hover .rec-foot .arrow{transform:translateX(3px)}

/* ============ 文末 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);padding:30px 24px;margin-bottom:20px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.22),transparent 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);margin-bottom:10px;color:var(--t1)}
.cta-band p{color:var(--t2);font-size:14.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.guard-row{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:20px;font-size:13px;color:var(--t3)}
.guard-row span{display:inline-flex;align-items:center;gap:7px}
.guard-row i{color:var(--cyan)}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:22px}
@media (min-width:1200px){
  .article-side{position:sticky;top:92px;align-self:start}
}
.side-card{
  border-radius:var(--r-md);padding:22px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-hi),transparent);
}
.side-card h3{font-size:16.5px;color:var(--t1);margin-bottom:8px}
.side-card .side-sub{font-size:13px;color:var(--t3);margin-bottom:16px}
.side-perks{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.side-perks li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--t2)}
.side-perks i{color:var(--gold);margin-top:4px;font-size:12px}
.side-cta{width:100%}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list li:first-child{padding-top:0}
.hot-num{
  flex:0 0 22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-family:var(--font-num);font-weight:700;
  background:rgba(255,255,255,.05);color:var(--t3);border:1px solid var(--line);
}
.hot-list li:nth-child(1) .hot-num{background:rgba(245,185,66,.14);border-color:rgba(245,185,66,.35);color:var(--gold)}
.hot-list li:nth-child(2) .hot-num{background:rgba(53,224,208,.12);border-color:rgba(53,224,208,.3);color:var(--cyan)}
.hot-list li:nth-child(3) .hot-num{background:rgba(43,110,246,.14);border-color:rgba(43,110,246,.35);color:#8db4ff}
.hot-list a{font-size:14px;color:var(--t2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list a:hover{color:var(--cyan)}

/* ============ 空态 ============ */
.empty-state{
  border-radius:var(--r-md);padding:48px 24px;text-align:center;
  background:var(--glass-bg);border:1px dashed var(--glass-brd);
}
.empty-state i{font-size:30px;color:var(--t3);margin-bottom:14px;display:block}
.empty-state p{color:var(--t2);margin-bottom:18px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:64px;padding:56px 0 30px;
  background:var(--bg-800);border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px}
.footer-brand .brand-text strong{font-size:15px}
.footer-brand .brand-text em{font-size:11px;letter-spacing:1px}
.footer-about{font-size:13.5px;color:var(--t3);line-height:1.9;max-width:340px}
.site-footer h4{font-size:14px;color:var(--t1);margin-bottom:14px;letter-spacing:.8px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:var(--t3);line-height:1.6}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);border-bottom:1px dotted rgba(110,130,153,.5)}
.footer-bottom a:hover{color:var(--cyan)}

/* ============ 移动端底部 Tab ============ */
.tab-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(10,18,30,.9);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-bar a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;padding:9px 2px 8px;font-size:10px;color:var(--t3);transition:color var(--ease);
}
.tab-bar a i{font-size:17px}
.tab-bar a.active{color:var(--cyan)}
.tab-bar a.active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:0 0 10px rgba(53,224,208,.7);
}
@media (min-width:992px){.tab-bar{display:none}}
@media (max-width:991.98px){
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}
}
@media (max-width:575.98px){
  .article-head{padding:16px 0 20px;margin-bottom:26px}
  .article-body{font-size:15.5px}
  .cta-band{padding:24px 18px}
  .side-card{padding:18px}
}

/* roulang page: category1 */
:root{
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --grad:linear-gradient(135deg,#2B6EF6,#35E0D0);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35),0 10px 26px rgba(43,110,246,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070C14;
  --bs-body-color:#EAF2FF;
  --bs-border-radius:12px;
  --bs-link-color:#35E0D0;
  --bs-link-hover-color:#5ff0e2;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--t1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.1px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 75% at 50% 0%,#000 0%,transparent 78%);
  mask-image:radial-gradient(120% 75% at 50% 0%,#000 0%,transparent 78%);
}
body::after{
  content:"";
  position:fixed;
  top:-220px;
  left:50%;
  width:900px;
  height:520px;
  transform:translateX(-50%);
  background:radial-gradient(circle at 50% 50%,rgba(43,110,246,.22),rgba(43,110,246,0) 62%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#5ff0e2}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative}
main{position:relative;z-index:1}
section{position:relative;z-index:1}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,18,30,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#04121A;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 18px rgba(43,110,246,.35);
}
.brand-text strong{display:block;font-size:15px;color:var(--t1);line-height:1.25;letter-spacing:.6px}
.brand-text em{display:block;font-size:11.5px;color:var(--t3);font-style:normal;letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.main-nav a{
  position:relative;padding:9px 12px;font-size:14.5px;color:var(--t2);
  border-radius:10px;transition:color var(--ease),background var(--ease);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--t1);background:rgba(120,200,255,.06)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--cyan)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.link-login{font-size:14.5px;color:var(--t2);transition:color var(--ease)}
.link-login:hover{color:var(--t1)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--glass-brd);
  background:var(--glass-bg);color:var(--t1);align-items:center;justify-content:center;cursor:pointer;
}
.hamburger i{font-size:17px}

/* buttons */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;border:0;background:var(--grad);color:#04121A;
  font-size:15px;font-weight:700;letter-spacing:.5px;cursor:pointer;
  box-shadow:var(--glow);transition:transform var(--ease),filter var(--ease);text-decoration:none;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04121A}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;border:1px solid var(--glass-brd);
  background:var(--glass-bg);color:var(--t1);font-size:15px;font-weight:600;
  transition:transform var(--ease),border-color var(--ease),background var(--ease);text-decoration:none;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,224,208,.45);color:var(--t1)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- drawer / tabbar ---------- */
.drawer{
  position:fixed;inset:0;z-index:1050;pointer-events:none;
}
.drawer-panel{
  position:absolute;top:0;left:0;height:100%;width:80%;max-width:340px;
  background:rgba(12,21,34,.94);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-right:1px solid var(--glass-brd);
  transform:translateX(-102%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  padding:22px 18px;display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-mask{position:absolute;inset:0;background:rgba(4,8,14,.6);opacity:0;transition:opacity var(--ease)}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:40px;height:40px;border-radius:11px;border:1px solid var(--glass-brd);background:transparent;color:var(--t1);cursor:pointer}
.drawer a.d-item{
  display:flex;align-items:center;height:44px;padding:0 12px;border-radius:11px;
  color:var(--t2);font-size:15px;transition:background var(--ease),color var(--ease);
}
.drawer a.d-item:hover{background:rgba(120,200,255,.07);color:var(--t1)}
.drawer a.d-item.active{color:var(--cyan);background:rgba(53,224,208,.08)}
.drawer .d-cta{margin-top:16px}
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(9,16,26,.9);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:flex;justify-content:space-around;align-items:stretch}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;padding:9px 2px 8px;color:var(--t3);font-size:10px;position:relative;transition:color var(--ease);
}
.tabbar a i{font-size:17px}
.tabbar a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:34px;height:2px;border-radius:2px;background:var(--cyan);transition:transform var(--ease);
}
.tabbar a.active{color:var(--cyan)}
.tabbar a.active::before{transform:translateX(-50%) scaleX(1)}

/* ---------- hero ---------- */
.hero-cat{padding:56px 0 0;min-height:340px}
.hero-cat-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  padding-bottom:40px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;
  text-transform:uppercase;color:var(--cyan);font-weight:600;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,224,208,.9)}
.hero-cat h1{font-size:clamp(28px,4.2vw,42px);margin-bottom:16px}
.hero-sub{font-size:16.5px;color:var(--t2);max-width:520px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;padding-top:20px;border-top:1px solid var(--line)}
.trust-row li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--t2)}
.trust-row li i{color:var(--cyan);font-size:15px}
.trust-row li strong{display:block;color:var(--t1);font-size:13.5px;font-weight:600}
.trust-row li span{display:block;font-size:12.5px;color:var(--t3);line-height:1.5}
.hero-cat-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-brd);box-shadow:var(--sh-2);
}
.hero-cat-media img{width:100%;height:290px;border-radius:var(--r-lg)}
.hero-cat-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,.05) 0%,rgba(7,12,20,.62) 100%);
}
.hero-cat-media::before{
  content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.4),rgba(53,224,208,0) 65%);z-index:2;pointer-events:none;
}
.grad-line{height:1px;background:linear-gradient(90deg,rgba(43,110,246,0),rgba(53,224,208,.6),rgba(43,110,246,0))}

/* ---------- section base ---------- */
.sec{padding:88px 0}
.sec-tight{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:38px}
.sec-head .eyebrow{margin-bottom:12px;letter-spacing:1.6px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.sec-head p{color:var(--t2);font-size:15.5px}
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,0),var(--glass-hi),rgba(255,255,255,0));
}

/* ---------- entry cards ---------- */
.entry-card{
  height:100%;padding:26px 24px 22px;display:flex;flex-direction:column;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.42);box-shadow:var(--sh-2)}
.entry-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.24);color:var(--cyan);font-size:20px;
}
.entry-icon.gold{background:rgba(245,185,66,.1);border-color:rgba(245,185,66,.28);color:var(--gold)}
.entry-icon.blue{background:rgba(43,110,246,.14);border-color:rgba(43,110,246,.3);color:#7BA8FF}
.entry-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.entry-card p{font-size:14.5px;color:var(--t2);margin-bottom:16px}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;color:var(--t2);background:rgba(120,200,255,.08);border:1px solid var(--glass-brd);
}
.tag.gold{color:#F7CE7A;background:rgba(245,185,66,.1);border-color:rgba(245,185,66,.26)}
.tag.cyan{color:#7DEBE0;background:rgba(53,224,208,.1);border-color:rgba(53,224,208,.26)}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between}
.entry-link{font-size:14px;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.entry-link i{transition:transform var(--ease)}
.entry-link:hover i{transform:translateX(3px)}
.entry-host{font-size:12.5px;color:var(--t3)}

/* ---------- check list ---------- */
.check-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center}
.check-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-brd);box-shadow:var(--sh-2);position:relative}
.check-media img{width:100%;height:400px}
.check-media .media-badge{
  position:absolute;left:16px;bottom:16px;padding:7px 14px;border-radius:999px;font-size:12.5px;
  background:rgba(9,16,26,.72);border:1px solid var(--glass-brd);color:var(--t1);backdrop-filter:blur(10px);
}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-item{
  display:flex;gap:16px;padding:18px 20px;border-radius:var(--r-md);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  transition:border-color var(--ease),transform var(--ease);
}
.check-item:hover{border-color:rgba(53,224,208,.4);transform:translateX(4px)}
.check-num{
  flex-shrink:0;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:var(--cyan);background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.25);
}
.check-item h3{font-size:16.5px;font-weight:600;margin-bottom:5px}
.check-item p{font-size:14px;color:var(--t2)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{
  padding:26px 22px;border-radius:var(--r-lg);background:var(--glass-bg);
  border:1px solid var(--glass-brd);position:relative;
  transition:transform var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4)}
.step-disk{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:700;
  font-size:16px;color:#04121A;background:var(--grad);margin-bottom:16px;
  box-shadow:0 8px 20px rgba(43,110,246,.34);
}
.step h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--t2)}
.step-line{
  position:absolute;top:48px;left:calc(100% - 11px);width:22px;height:2px;
  background:linear-gradient(90deg,rgba(53,224,208,.6),rgba(53,224,208,.12));
}
.step:last-child .step-line{display:none}

/* ---------- ticket notes ---------- */
.notes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.note{
  padding:24px 22px;border-radius:var(--r-md);background:var(--bg-700);
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform var(--ease),border-color var(--ease);
}
.note:hover{transform:translateY(-4px);border-color:rgba(120,200,255,.28)}
.note::after{
  content:"";position:absolute;top:0;left:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
}
.note .note-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.note .note-head i{color:var(--gold);font-size:16px}
.note h3{font-size:16.5px;font-weight:600}
.note p{font-size:14px;color:var(--t2);margin-bottom:12px}
.note .note-tip{font-size:13px;color:var(--t3);border-top:1px dashed var(--line);padding-top:10px}
.note .note-tip strong{color:var(--cyan);font-weight:600}

/* ---------- faq ---------- */
.faq-acc .accordion-item{
  background:var(--glass-bg);border:1px solid var(--glass-brd);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  width:100%;background:transparent;border:0;color:var(--t1);
  font-size:18px;font-weight:600;letter-spacing:.3px;padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  box-shadow:none;position:relative;transition:color var(--ease);
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--cyan);transform:scaleY(0);transform-origin:top;transition:transform var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--cyan)}
.faq-acc .accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.faq-acc .accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;
  color:var(--t2);background:none;width:auto;height:auto;margin:0;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),color var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"\f00d";transform:rotate(180deg);color:var(--cyan);
}
.faq-acc .accordion-button:focus{box-shadow:none}
.faq-acc .accordion-body{
  padding:0 22px 22px 22px;font-size:15px;color:var(--t2);line-height:1.8;
}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  box-shadow:var(--sh-2);padding:48px 44px;
}
.cta-card::before{
  content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.16),rgba(53,224,208,0) 66%);
}
.cta-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,0),var(--glass-hi),rgba(255,255,255,0));
}
.cta-inner{position:relative;z-index:1;max-width:620px}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-inner p{color:var(--t2);font-size:15.5px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.cta-points{display:flex;flex-wrap:wrap;gap:22px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t2)}
.cta-points li i{color:var(--cyan)}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(9,16,26,.7);
  padding:64px 0 26px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px}
.footer-brand .brand-text strong{font-size:14.5px}
.footer-brand .brand-text em{font-size:11px}
.footer-about{font-size:13.5px;color:var(--t3);line-height:1.85;max-width:340px}
.site-footer h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--t1)}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links li{font-size:14px;line-height:2.2}
.footer-links a{color:var(--t2);transition:color var(--ease)}
.footer-links a:hover{color:var(--cyan)}
.footer-links span{color:var(--t3);font-size:13.5px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-cat-inner{gap:32px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .nav-actions .link-login,.nav-actions .nav-cta{display:none}
  .hamburger{display:flex}
  body{padding-bottom:74px}
  .tabbar{display:block}
  .hero-cat{padding-top:40px}
  .hero-cat-inner{grid-template-columns:1fr;gap:28px}
  .hero-cat-media img{height:250px}
  .sec{padding:64px 0}
  .sec-tight{padding:56px 0}
  .check-grid{grid-template-columns:1fr;gap:28px}
  .check-media img{height:280px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2) .step-line{display:none}
  .notes{grid-template-columns:1fr;gap:16px}
  .cta-band{padding-bottom:72px}
  .cta-card{padding:36px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-about{max-width:none}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .hero-cat h1{font-size:clamp(24px,6.6vw,32px)}
  .hero-sub{font-size:15.5px}
  .trust-row{gap:16px;flex-direction:column}
  .trust-row li{align-items:flex-start}
  .steps{grid-template-columns:1fr}
  .step-line{display:none}
  .entry-card{padding:22px 20px}
  .faq-acc .accordion-button{font-size:16.5px;padding:17px 18px}
  .faq-acc .accordion-body{padding:0 18px 18px 18px;font-size:14.5px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .brand-text strong{font-size:13.5px}
  .brand-text em{font-size:10.5px}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bs-font-sans-serif: -apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-bg:#070C14;
  --bs-body-color:#EAF2FF;
  --bs-border-radius:12px;
  --bs-link-color:#35E0D0;
  --bs-link-hover-color:#68f2e6;
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35),0 10px 26px rgba(43,110,246,.32);
  --glow-gold:0 0 0 1px rgba(245,185,66,.35),0 10px 26px rgba(245,185,66,.18);
  --tr:220ms cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background-color:var(--bg-900);
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:52px 52px;
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--cyan);text-decoration:none;transition:color var(--tr);}
a:hover{color:#6ff2e7;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.5px;color:var(--t1);margin:0;}
p{margin:0;}
button{font-family:inherit;}
::selection{background:rgba(53,224,208,.28);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:992px){.wrap{padding:0 24px;}}
@media (min-width:1440px){.wrap{max-width:1320px;}}

.section{padding:64px 0;}
@media (min-width:768px){.section{padding:84px 0;}}
@media (min-width:992px){.section{padding:96px 0;}}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  color:var(--cyan);font-weight:600;margin-bottom:14px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.eyebrow.gold{color:var(--gold);}
.eyebrow.gold .dot{background:var(--gold);box-shadow:0 0 10px var(--gold);}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.35;}
.sec-lead{color:var(--t2);font-size:15.5px;margin-top:14px;line-height:1.85;}
.divider-line{height:1px;background:linear-gradient(90deg,transparent,rgba(53,224,208,.5),transparent);border:0;margin:0;}

/* ===== 按钮 ===== */
.btn-glow,.btn-ghost,.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.4px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr);
  white-space:nowrap;
}
.btn-glow{
  background:linear-gradient(135deg,#2B6EF6,#35E0D0);
  color:#04121A;box-shadow:var(--glow);
}
.btn-glow:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(53,224,208,.5),0 14px 32px rgba(43,110,246,.42);}
.btn-ghost{
  background:var(--glass-bg);color:var(--t1);
  border-color:var(--glass-brd);backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:#fff;border-color:rgba(53,224,208,.5);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-gold{
  background:linear-gradient(135deg,#F5B942,#e89a24);
  color:#241703;box-shadow:var(--glow-gold);
}
.btn-gold:hover{color:#241703;transform:translateY(-2px);filter:brightness(1.05);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan);font-weight:500;}
.link-more i{transition:transform var(--tr);}
.link-more:hover i{transform:translateX(4px);}

/* ===== 徽章 / 标签 ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(53,224,208,.1);color:var(--cyan);
  border:1px solid rgba(53,224,208,.28);
}
.tag.gold{background:rgba(245,185,66,.12);color:var(--gold);border-color:rgba(245,185,66,.32);}
.tag.plain{background:rgba(255,255,255,.05);color:var(--t2);border-color:var(--line);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;height:var(--nav-h);
  background:transparent;transition:background var(--tr),backdrop-filter var(--tr),border-color var(--tr);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(10,18,30,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;font-weight:700;font-size:18px;color:#04121A;
  background:linear-gradient(135deg,#2B6EF6,#35E0D0);
  box-shadow:0 6px 18px rgba(43,110,246,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;color:var(--t1);font-weight:700;letter-spacing:.4px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:1px;}
.main-nav{display:none;}
@media (min-width:992px){
  .main-nav{display:flex;align-items:center;gap:4px;margin-left:14px;}
  .main-nav a{
    position:relative;padding:8px 14px;border-radius:10px;
    font-size:14.5px;color:var(--t2);font-weight:500;
  }
  .main-nav a::after{
    content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
    width:20px;height:2px;border-radius:2px;background:var(--cyan);
    transition:transform var(--tr);
  }
  .main-nav a:hover{color:var(--t1);}
  .main-nav a:hover::after{transform:translateX(-50%) scaleX(1);}
  .main-nav a.active{color:var(--cyan);}
  .main-nav a.active::after{transform:translateX(-50%) scaleX(1);box-shadow:0 0 10px rgba(53,224,208,.8);}
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.link-login{font-size:14.5px;color:var(--t2);display:none;}
@media (min-width:992px){.link-login{display:inline-block;}}
.link-login:hover{color:var(--t1);}
.header-actions .btn-glow{display:none;}
@media (min-width:992px){.header-actions .btn-glow{display:inline-flex;height:40px;padding:0 18px;font-size:14px;}}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-brd);
  background:var(--glass-bg);color:var(--t1);display:grid;place-items:center;font-size:17px;
}
@media (min-width:992px){.nav-toggle{display:none;}}

/* ===== 移动抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,14,.6);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:80%;max-width:340px;height:100%;
  background:rgba(12,21,34,.92);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--glass-brd);
  transform:translateX(100%);transition:transform var(--tr);
  z-index:1050;padding:20px 18px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--glass-brd);background:transparent;color:var(--t1);}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  height:44px;display:flex;align-items:center;justify-content:space-between;
  color:var(--t2);font-size:15px;border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--cyan);}
.drawer nav a i{font-size:12px;opacity:.6;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn-glow{width:100%;}

/* ===== 底部 Tab ===== */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(10,18,30,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:8px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabbar a{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10px;color:var(--t3);padding-top:6px;
}
.tabbar a i{font-size:17px;}
.tabbar a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:2px;border-radius:2px;background:var(--cyan);
  transition:transform var(--tr);
}
.tabbar a.active{color:var(--cyan);}
.tabbar a.active::before{transform:translateX(-50%) scaleX(1);box-shadow:0 0 10px rgba(53,224,208,.9);}
@media (min-width:992px){.tabbar{display:none;}}
@media (max-width:991.98px){body{padding-bottom:64px;}}

/* ===== Hero ===== */
.hero{position:relative;padding:44px 0 52px;overflow:hidden;}
@media (min-width:992px){.hero{padding:56px 0 68px;}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(720px 340px at 12% 0%,rgba(43,110,246,.20),transparent 70%),
             radial-gradient(560px 320px at 92% 20%,rgba(245,185,66,.12),transparent 72%);
}
.hero-grid{position:relative;display:grid;gap:34px;align-items:center;}
@media (min-width:992px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.22;margin-bottom:16px;}
.hero h1 .hl{color:var(--cyan);}
.hero-sub{color:var(--t2);font-size:16px;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-trust{
  display:grid;gap:14px;margin-top:32px;padding-top:26px;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(53,224,208,.55),rgba(43,110,246,.25),transparent) 1;
}
@media (min-width:576px){.hero-trust{grid-template-columns:repeat(3,1fr);}}
.hero-trust .ti{display:flex;gap:10px;align-items:flex-start;}
.hero-trust .ti i{color:var(--cyan);font-size:15px;margin-top:5px;}
.hero-trust strong{display:block;font-size:14.5px;font-weight:600;}
.hero-trust span{display:block;font-size:13px;color:var(--t3);line-height:1.6;}
.hero-visual{position:relative;border-radius:var(--r-lg);}
.hero-visual .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-brd);background:var(--bg-700);
  box-shadow:var(--sh-2);
}
.hero-visual .frame::after{
  content:"";position:absolute;inset:auto -30% -40% auto;width:70%;height:70%;
  background:radial-gradient(circle,rgba(53,224,208,.35),transparent 65%);
  pointer-events:none;
}
.hero-visual img{width:100%;aspect-ratio:16/10;border-radius:var(--r-lg);}
.hero-visual .badge-float{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:rgba(9,16,26,.78);border:1px solid rgba(245,185,66,.36);color:var(--gold);
  backdrop-filter:blur(8px);
}

/* ===== 卡片通用 ===== */
.glass{
  position:relative;border-radius:var(--r-md);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.glass::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-hi),transparent);
}
.glass:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:var(--sh-2);}

/* ===== 权益对比 ===== */
.compare-grid{display:grid;gap:18px;}
@media (min-width:768px){.compare-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
.plan{
  padding:26px 22px;border-radius:var(--r-md);
  display:flex;flex-direction:column;
}
.plan.recommend{
  transform:translateY(-8px);
  border-color:rgba(53,224,208,.45);
  background:linear-gradient(180deg,rgba(53,224,208,.09),rgba(18,32,47,.6));
  box-shadow:var(--glow);
}
.plan.recommend:hover{transform:translateY(-12px);}
.plan .ribbon{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  padding:5px 16px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  background:linear-gradient(135deg,#F5B942,#e2921c);color:#241703;
  box-shadow:0 8px 20px rgba(245,185,66,.3);white-space:nowrap;
}
.plan h3{font-size:20px;margin-bottom:6px;}
.plan .plan-desc{font-size:13.5px;color:var(--t3);}
.plan .plan-price{margin:18px 0 4px;font-size:15px;color:var(--gold);font-weight:600;}
.plan .plan-note{font-size:12.5px;color:var(--t3);}
.plan .cmp{display:grid;gap:0;margin:20px 0 24px;}
.plan .cmp-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;border-top:1px solid var(--line);font-size:14px;
}
.plan .cmp-row:last-child{border-bottom:1px solid var(--line);}
.plan .cmp-key{color:var(--t2);flex:0 0 auto;max-width:52%;}
.plan .cmp-val{color:var(--t1);font-weight:600;text-align:right;display:inline-flex;align-items:center;gap:6px;}
.plan .cmp-val i{font-size:12px;color:var(--cyan);}
.plan .cmp-val.off{color:var(--t3);font-weight:500;}
.plan .cmp-val.off i{color:var(--t3);}
.plan .btn-ghost,.plan .btn-glow,.plan .btn-gold{margin-top:auto;width:100%;}

/* ===== 等级亮点 bento ===== */
.tier-grid{display:grid;gap:18px;}
@media (min-width:768px){.tier-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.tier-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.tier{padding:24px 22px;border-radius:var(--r-md);display:flex;flex-direction:column;}
@media (min-width:992px){
  .tier.feature{grid-column:span 2;padding:30px 28px;}
}
.tier .tier-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.3);
  color:var(--gold);font-size:18px;margin-bottom:16px;
}
.tier.feature .tier-icon{width:52px;height:52px;font-size:21px;}
.tier h3{font-size:19px;}
.tier.feature h3{font-size:24px;}
.tier .tier-sub{font-size:13px;color:var(--t3);margin-top:6px;}
.tier ul{margin:18px 0 20px;display:grid;gap:10px;}
.tier ul li{display:flex;gap:9px;font-size:14px;color:var(--t2);line-height:1.65;}
.tier ul li i{color:var(--cyan);font-size:12px;margin-top:7px;}
.tier .tier-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.tier .tier-foot .lv{font-size:13px;color:var(--gold);font-weight:600;}
.tier .tier-foot .btn-gold,.tier .tier-foot .btn-ghost{height:38px;padding:0 16px;font-size:13.5px;}

/* ===== 专享内容预览 ===== */
.exclusive-grid{display:grid;gap:20px;}
@media (min-width:992px){.exclusive-grid{grid-template-columns:1.1fr 1fr;gap:24px;align-items:stretch;}}
.exclusive-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-brd);min-height:280px;}
.exclusive-visual img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.exclusive-visual .caption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 22px 20px;
  background:linear-gradient(180deg,transparent,rgba(7,12,20,.92));
}
.exclusive-visual .caption h3{font-size:19px;}
.exclusive-visual .caption p{font-size:13.5px;color:var(--t2);margin-top:6px;}
.exclusive-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.ex-card{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--glass-brd);background:var(--bg-700);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);}
.ex-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:var(--sh-2);}
.ex-card img{width:100%;aspect-ratio:16/10;transition:transform var(--tr);}
.ex-card:hover img{transform:scale(1.03);}
.ex-card .ex-body{padding:14px 15px 16px;}
.ex-card h4{font-size:15px;font-weight:600;line-height:1.45;}
.ex-card span{display:block;font-size:12.5px;color:var(--t3);margin-top:6px;}
.ex-card .lock{
  position:absolute;top:10px;right:10px;display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--r-pill);font-size:11.5px;font-weight:600;
  background:rgba(9,16,26,.8);border:1px solid rgba(245,185,66,.36);color:var(--gold);
  backdrop-filter:blur(6px);
}

/* ===== FAQ ===== */
.faq-wrap{display:grid;gap:16px;}
.faq-item{
  border:1px solid var(--glass-brd);border-radius:var(--r-sm);
  background:var(--glass-bg);backdrop-filter:blur(10px);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item + .faq-item{margin-top:12px;}
.faq-q{margin:0;font-size:inherit;}
.faq-q .accordion-button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:18px;font-weight:600;color:var(--t1);
  background:transparent;border:0;text-align:left;
  transition:color var(--tr),box-shadow var(--tr),background var(--tr);
}
.faq-q .accordion-button:not(.collapsed){
  color:var(--cyan);
  box-shadow:inset 4px 0 0 var(--cyan);
  background:rgba(53,224,208,.06);
}
.faq-q .accordion-button::after{content:none;}
.faq-q .chev{
  position:relative;width:18px;height:18px;flex:0 0 auto;
  transition:transform 280ms cubic-bezier(.2,.7,.3,1);
}
.faq-q .chev::before,.faq-q .chev::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .chev::before{left:1px;right:1px;top:50%;height:2px;transform:translateY(-50%);}
.faq-q .chev::after{top:1px;bottom:1px;left:50%;width:2px;transform:translateX(-50%);}
.faq-q .accordion-button:not(.collapsed) .chev{transform:rotate(45deg);}
.faq-q .accordion-button:focus{outline:none;box-shadow:inset 0 0 0 2px var(--cyan);}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--t2);line-height:1.85;}

/* ===== CTA ===== */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:38px 26px;
  background:linear-gradient(150deg,rgba(18,32,47,.85),rgba(9,16,26,.9));
  border:1px solid var(--glass-brd);box-shadow:var(--sh-2);
  text-align:center;
}
.cta-card::before{
  content:"";position:absolute;inset:-40% 30% auto -10%;height:340px;
  background:radial-gradient(circle,rgba(43,110,246,.28),transparent 68%);
  pointer-events:none;
}
.cta-card::after{
  content:"";position:absolute;inset:auto -10% -50% 45%;height:320px;
  background:radial-gradient(circle,rgba(53,224,208,.20),transparent 70%);
  pointer-events:none;
}
.cta-card > *{position:relative;}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);}
.cta-card p{color:var(--t2);max-width:640px;margin:14px auto 0;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px;}
.cta-points{
  display:grid;gap:14px;margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
}
@media (min-width:768px){.cta-points{grid-template-columns:repeat(3,1fr);}}
.cta-points .pt{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13.5px;color:var(--t2);}
.cta-points .pt i{color:var(--cyan);font-size:16px;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,21,34,.7),rgba(7,12,20,.95));
  padding:52px 0 26px;
}
.footer-grid{display:grid;gap:30px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px;}
.footer-about{font-size:13.5px;color:var(--t3);line-height:1.85;max-width:360px;}
.footer-grid h4{font-size:14.5px;color:var(--t1);margin-bottom:14px;font-weight:600;}
.footer-links li{font-size:14px;line-height:2.2;color:var(--t3);}
.footer-links a{color:var(--t2);}
.footer-links a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--cyan);}

/* ===== 进入动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (max-width:767.98px){.reveal{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35),0 10px 26px rgba(43,110,246,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070C14;
  --bs-body-color:#EAF2FF;
  --bs-border-radius:12px;
  --bs-link-color:#35E0D0;
  --bs-link-hover-color:#7BF2E6;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-900);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.035) 1px,transparent 1px);
  background-size:58px 58px;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease);}
a:hover{color:#7BF2E6;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;color:var(--t1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
@media (min-width:1440px){.wrap{max-width:1320px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  height:68px;
  background:transparent;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(10,18,30,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--t1);
}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  display:grid;
  place-items:center;
  font-size:17px;
  font-weight:700;
  color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:0 0 0 1px rgba(53,224,208,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:15.5px;font-weight:700;letter-spacing:.4px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:.6px;}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--t2);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.main-nav a:hover{color:var(--t1);background:rgba(120,200,255,.05);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--cyan);}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
}
.link-plain{color:var(--t2);font-size:14.5px;}
.link-plain:hover{color:var(--t1);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--glass-brd);
  background:var(--glass-bg);
  color:var(--t1);
  font-size:17px;
  cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:rgba(53,224,208,.45);color:var(--cyan);}

/* ---------- 按钮 ---------- */
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:600;
  color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:var(--glow);
  border:none;
  cursor:pointer;
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04121a;}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:600;
  color:var(--t1);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  cursor:pointer;
  transition:transform var(--ease),border-color var(--ease),color var(--ease),background var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,224,208,.5);color:var(--cyan);}
.btn-line{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--cyan);
}
.btn-line i{transition:transform var(--ease);}
.btn-line:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
}
.badge-cyan{color:var(--cyan);background:rgba(53,224,208,.12);border:1px solid rgba(53,224,208,.28);}
.badge-gold{color:var(--gold);background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.3);}
.badge-plain{color:var(--t2);background:rgba(120,200,255,.08);border:1px solid var(--glass-brd);}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0;position:relative;z-index:1;}
.section.tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--cyan);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,208,.8);
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;}
.section-head .lead{margin-top:14px;color:var(--t2);font-size:15.5px;}
.hairline{
  height:1px;
  width:100%;
  background:linear-gradient(90deg,rgba(53,224,208,.5),rgba(43,110,246,.25),transparent);
}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  min-height:340px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.34;
  filter:saturate(1.05);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(900px 420px at 12% 10%,rgba(43,110,246,.28),transparent 62%),
             linear-gradient(180deg,rgba(7,12,20,.5),rgba(7,12,20,.94));
}
.page-hero .hero-inner{position:relative;z-index:2;padding:72px 0 64px;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  margin-bottom:16px;
}
.hero-sub{color:var(--t2);font-size:16.5px;max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.crumb{
  font-size:13px;
  color:var(--t3);
  margin-bottom:18px;
}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{margin:0 8px;color:rgba(255,255,255,.16);}

/* ---------- 信息条 ---------- */
.notice-bar{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 20px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-left:3px solid var(--cyan);
  color:var(--t2);
  font-size:14.5px;
}
.notice-bar i{color:var(--cyan);margin-top:3px;}

/* ---------- 准备清单 ---------- */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:32px;
}
.prep-card{
  position:relative;
  padding:22px 20px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  overflow:hidden;
}
.prep-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.16),transparent);
}
.prep-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:var(--sh-2);}
.prep-card .ic{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(53,224,208,.1);
  color:var(--cyan);
  font-size:16px;
  margin-bottom:14px;
}
.prep-card h3{font-size:16.5px;font-weight:600;margin-bottom:8px;}
.prep-card p{font-size:14px;color:var(--t2);}
.ticket-tag{
  position:absolute;
  top:16px;right:16px;
  font-size:11.5px;
  letter-spacing:1px;
  color:var(--t3);
  border-left:1px dashed rgba(255,255,255,.16);
  padding-left:10px;
}

/* ---------- 四步流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:40px;
}
.step{position:relative;}
.step::after{
  content:"";
  position:absolute;
  top:24px;
  left:62px;
  right:-14px;
  height:2px;
  background:linear-gradient(90deg,rgba(53,224,208,.5),rgba(53,224,208,0));
}
.step:last-child::after{content:none;}
.step-num{
  width:48px;height:48px;
  border-radius:50%;
  display:grid;place-items:center;
  font-family:Inter,ui-monospace,monospace;
  font-size:15px;
  font-weight:700;
  color:var(--cyan);
  background:radial-gradient(circle at 30% 25%,rgba(53,224,208,.22),rgba(18,32,47,.8));
  border:1px solid rgba(53,224,208,.4);
  margin-bottom:18px;
  position:relative;
  z-index:2;
}
.step-card{
  padding:20px;
  border-radius:var(--r-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  height:100%;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:var(--sh-2);}
.step-card .thumb{
  width:100%;
  aspect-ratio:16/9;
  border-radius:var(--r-sm);
  overflow:hidden;
  margin-bottom:16px;
  background:var(--bg-700);
  border:1px solid var(--line);
}
.step-card .thumb img{
  width:100%;height:100%;
  transition:transform var(--ease);
}
.step-card:hover .thumb img{transform:scale(1.03);}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--t2);}
.step-card ul{margin-top:12px;}
.step-card li{
  font-size:13.5px;
  color:var(--t2);
  padding-left:18px;
  position:relative;
  margin-bottom:6px;
}
.step-card li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:2px;
  background:rgba(53,224,208,.7);
}

/* ---------- 场景票券 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:36px;
}
.ticket{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  display:flex;
  flex-direction:column;
}
.ticket:hover{transform:translateY(-4px);border-color:rgba(245,185,66,.45);box-shadow:var(--sh-2);}
.ticket-img{width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700);}
.ticket-img img{width:100%;height:100%;transition:transform var(--ease);}
.ticket:hover .ticket-img img{transform:scale(1.03);}
.ticket-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ticket-body h3{font-size:17.5px;font-weight:600;}
.ticket-body p{font-size:14px;color:var(--t2);flex:1;}
.ticket-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px dashed rgba(255,255,255,.14);
  padding-top:14px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- 安全提示 ---------- */
.safety{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:40px;
  align-items:center;
}
.safety-visual{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
  position:relative;
}
.safety-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.safety-visual::after{
  content:"";
  position:absolute;
  right:-30px;bottom:-30px;
  width:160px;height:160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.35),transparent 65%);
  pointer-events:none;
}
.safety-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.safety-item{
  display:flex;
  gap:14px;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:rgba(18,32,47,.45);
  border:1px solid var(--glass-brd);
  transition:border-color var(--ease),transform var(--ease);
}
.safety-item:hover{border-color:rgba(53,224,208,.35);transform:translateX(3px);}
.safety-item .no{
  font-family:Inter,ui-monospace,monospace;
  font-size:13px;
  font-weight:700;
  color:var(--gold);
  padding-top:2px;
}
.safety-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.safety-item p{font-size:14px;color:var(--t2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:34px;}
.faq-item{
  position:relative;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item:hover{border-color:rgba(53,224,208,.32);}
.faq-item.open::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--cyan);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;
  border:none;
  text-align:left;
  color:var(--t1);
  font-size:18px;
  font-weight:600;
  cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--cyan);}
.faq-q i{
  color:var(--cyan);
  font-size:14px;
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  flex-shrink:0;
}
.faq-item.open .faq-q i{transform:rotate(135deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  padding:0 22px 20px 22px;
  font-size:15px;
  color:var(--t2);
  line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  padding:48px 40px;
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(18,32,47,.72),rgba(12,21,34,.72));
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
  overflow:hidden;
  text-align:center;
}
.cta-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 220px at 50% 0%,rgba(53,224,208,.18),transparent 70%);
  pointer-events:none;
}
.cta-card .inner{position:relative;z-index:2;}
.cta-card h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.cta-card p{color:var(--t2);font-size:15.5px;max-width:620px;margin:0 auto;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:28px;}
.guards{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:26px;
  margin-top:30px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.guard{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t2);}
.guard i{color:var(--cyan);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:56px 0 26px;
  background:var(--bg-800);
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;color:#04121a;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
}
.footer-brand .brand-text strong{font-size:15px;display:block;}
.footer-brand .brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);}
.footer-about{font-size:14px;color:var(--t2);line-height:1.85;max-width:340px;}
.site-footer h4{font-size:14px;color:var(--t1);margin-bottom:14px;font-weight:600;letter-spacing:.6px;}
.footer-links li{font-size:14px;line-height:2.2;color:var(--t2);}
.footer-links a{color:var(--t2);}
.footer-links a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;left:0;
  width:80%;
  max-width:330px;
  height:100%;
  z-index:200;
  padding:26px 20px;
  background:rgba(12,21,34,.94);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--glass-brd);
  transform:translateX(-102%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer h4{font-size:12.5px;letter-spacing:1.6px;color:var(--t3);font-weight:600;margin:22px 0 8px;}
.drawer a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--t2);
}
.drawer a:hover{background:rgba(120,200,255,.06);color:var(--t1);}
.drawer a.active{color:var(--cyan);background:rgba(53,224,208,.08);}
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:190;
  background:rgba(4,8,14,.62);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ---------- 底部 Tab ---------- */
.tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:130;
  background:rgba(10,18,30,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  position:relative;
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding:8px 0 7px;
  color:var(--t3);
  font-size:10px;
}
.tabbar a i{font-size:17px;}
.tabbar a.active{color:var(--cyan);}
.tabbar a.active::before{
  content:"";
  position:absolute;
  top:0;left:22%;right:22%;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,208,.7);
}

/* ---------- 进入动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .header-actions .link-plain{display:none;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .step::after{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .safety{grid-template-columns:1fr;gap:28px;}
  .section{padding:64px 0;}
  .site-footer{margin-top:64px;padding-bottom:86px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .tabbar{display:flex;}
  .page-hero .hero-inner{padding:52px 0 46px;}
  .prep-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:30px;}
  .step{display:flex;gap:16px;}
  .step::after{
    display:block;
    content:"";
    position:absolute;
    top:58px;
    left:23px;
    bottom:-16px;
    width:2px;
    height:auto;
    background:linear-gradient(180deg,rgba(53,224,208,.5),rgba(53,224,208,0));
  }
  .step:last-child::after{content:none;}
  .step-num{margin-bottom:0;flex-shrink:0;}
  .step-card{flex:1;}
  .cta-card{padding:34px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-q{font-size:16.5px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .guards{gap:16px;flex-direction:column;align-items:center;}
  body{padding-bottom:0;}
  main{padding-bottom:64px;}
}
@media (max-width:575px){
  .hero-cta .btn-glow,
  .hero-cta .btn-ghost{width:100%;}
  .footer-bottom{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category5 */
:root{
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --danger:#FF6B6B;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35),0 10px 26px rgba(43,110,246,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070C14;
  --bs-body-color:#EAF2FF;
  --bs-border-radius:12px;
  --bs-link-color:#35E0D0;
  --bs-link-hover-color:#63F0E2;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--t1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(120,200,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:1;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease);}
a:hover{color:#63F0E2;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
@media(min-width:1440px){.wrap{max-width:1320px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,224,208,.9);}
.sec{padding:88px 0;position:relative;}
@media(max-width:767px){.sec{padding:56px 0;}}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);margin:12px 0 12px;}
.sec-head p{color:var(--t2);font-size:15.5px;}
.hr-glow{height:1px;border:0;background:linear-gradient(90deg,rgba(43,110,246,0),rgba(53,224,208,.55),rgba(43,110,246,0));margin:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  background:rgba(10,18,30,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t1);}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2B6EF6,#35E0D0);
  color:#04121A;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px rgba(43,110,246,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.5px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.main-nav a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14.5px;color:var(--t2);border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2B6EF6,#35E0D0);opacity:0;transform:scaleX(.5);
  transition:opacity var(--ease),transform var(--ease);
}
.main-nav a:hover{color:var(--t1);background:rgba(255,255,255,.04);}
.main-nav a:hover::after{opacity:.7;transform:scaleX(1);}
.main-nav a.active{color:var(--cyan);}
.main-nav a.active::after{opacity:1;transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.link-login{font-size:14.5px;color:var(--t2);}
.link-login:hover{color:var(--t1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:12px;
  padding:11px 20px;font-size:14.5px;font-weight:600;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-glow{
  background:linear-gradient(135deg,#2B6EF6,#35E0D0);
  color:#04121A;
  box-shadow:var(--glow);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04121A;}
.btn-glass{
  background:var(--glass-bg);
  border-color:var(--glass-brd);
  color:var(--t1);
  backdrop-filter:blur(10px);
}
.btn-glass:hover{transform:translateY(-2px);border-color:rgba(53,224,208,.5);color:var(--t1);}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.16);color:var(--t2);
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13.5px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--t1);
  cursor:pointer;font-size:16px;
}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;left:0;height:100%;width:80%;max-width:340px;z-index:1080;
  background:rgba(10,18,30,.92);backdrop-filter:blur(18px);
  border-right:1px solid var(--glass-brd);
  transform:translateX(-102%);transition:transform 300ms cubic-bezier(.2,.7,.3,1);
  padding:22px 18px calc(28px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid var(--glass-brd);color:var(--t1);cursor:pointer;}
.drawer-nav a{
  display:flex;align-items:center;height:44px;padding:0 12px;border-radius:12px;
  color:var(--t2);font-size:15px;
}
.drawer-nav a.active{color:var(--cyan);background:rgba(53,224,208,.08);}
.drawer-nav a:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.drawer-cta{margin-top:18px;display:grid;gap:10px;}
.scrim{
  position:fixed;inset:0;background:rgba(3,7,12,.6);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:1070;
}
.scrim.show{opacity:1;pointer-events:auto;}

/* ============ 底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;
  display:none;
  background:rgba(10,18,30,.86);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar .tabs{display:grid;grid-template-columns:repeat(5,1fr);}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:9px 2px 8px;font-size:10px;color:var(--t3);
}
.tab-item i{font-size:16px;}
.tab-item.active{color:var(--cyan);}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:38%;height:2px;border-radius:2px;background:var(--cyan);box-shadow:0 0 12px rgba(53,224,208,.9);
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  min-height:340px;
  display:flex;align-items:center;
  padding:56px 0 60px;
  background:linear-gradient(180deg,rgba(7,12,20,.35),rgba(7,12,20,.92)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,208,.22),transparent 68%);
  pointer-events:none;
}
.hero-inner{max-width:760px;position:relative;z-index:2;}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);margin:14px 0 14px;}
.page-hero .lead{color:var(--t2);font-size:16.5px;max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;
  padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--cyan);}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.bento-card{
  position:relative;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.bento-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--glass-hi);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.42);box-shadow:var(--sh-2);}
.bento-main{grid-column:span 2;grid-row:span 2;}
.bento-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.bento-main .thumb{aspect-ratio:16/10;}
.bento-card .thumb img{width:100%;height:100%;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.bento-card:hover .thumb img{transform:scale(1.03);}
.bento-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.bento-card h3{font-size:19px;font-weight:600;}
.bento-main h3{font-size:clamp(20px,2.2vw,25px);}
.bento-card p{color:var(--t2);font-size:14.5px;}
.bento-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);}
.bento-card .foot i{transition:transform var(--ease);color:var(--cyan);}
.bento-card:hover .foot i{transform:translateX(3px);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  border:1px solid rgba(53,224,208,.32);color:var(--cyan);background:rgba(53,224,208,.08);
}
.chip-gold{border-color:rgba(245,185,66,.36);color:var(--gold);background:rgba(245,185,66,.1);}
.chip-mute{border-color:rgba(255,255,255,.14);color:var(--t2);background:rgba(255,255,255,.04);}
.chip-brand{border-color:rgba(43,110,246,.42);color:#8FB6FF;background:rgba(43,110,246,.12);}

/* ============ 快讯列表 ============ */
.news-list{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.news-list::before{content:"";display:block;height:1px;background:var(--glass-hi);}
.news-item{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:rgba(53,224,208,.05);}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto;}
.dot-cyan{background:var(--cyan);box-shadow:0 0 10px rgba(53,224,208,.8);}
.dot-gold{background:var(--gold);box-shadow:0 0 10px rgba(245,185,66,.8);}
.dot-blue{background:var(--brand);box-shadow:0 0 10px rgba(43,110,246,.8);}
.news-item .txt{flex:1;min-width:0;}
.news-item .txt strong{display:block;font-size:16px;font-weight:600;color:var(--t1);transition:color var(--ease);}
.news-item:hover .txt strong{color:var(--cyan);}
.news-item .txt small{display:block;color:var(--t3);font-size:12.5px;margin-top:4px;}
.news-item .date{font-size:12.5px;color:var(--t3);white-space:nowrap;font-variant-numeric:tabular-nums;}

/* ============ 更新节奏 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.info-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.4);box-shadow:var(--sh-2);}
.info-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.28);
  color:var(--cyan);font-size:17px;margin-bottom:16px;
}
.info-card h3{font-size:18px;margin-bottom:10px;}
.info-card p{color:var(--t2);font-size:14.5px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start;}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:rgba(53,224,208,.4);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  background:transparent;border:0;color:var(--t1);
  padding:18px 20px;text-align:left;cursor:pointer;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q .ico{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;color:var(--cyan);
  background:rgba(53,224,208,.1);border:1px solid rgba(53,224,208,.24);
  transition:transform 280ms cubic-bezier(.2,.7,.3,1);
}
.faq-item.open .faq-q .ico{transform:rotate(135deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 300ms cubic-bezier(.2,.7,.3,1);
  border-left:4px solid transparent;
}
.faq-item.open .faq-a{border-left-color:var(--cyan);}
.faq-a p{padding:0 22px 20px 24px;color:var(--t2);font-size:15px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-lg);
  padding:44px 40px;
  box-shadow:var(--sh-2);
  overflow:hidden;
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 10%,rgba(43,110,246,.28),transparent 58%),radial-gradient(circle at 8% 96%,rgba(53,224,208,.2),transparent 56%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band .txt{flex:1;min-width:260px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--t2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-points{display:flex;gap:26px;flex-wrap:wrap;margin-top:22px;font-size:13.5px;color:var(--t2);}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:var(--gold);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  background:var(--bg-800);
  border-top:1px solid var(--line);
  padding:56px 0 24px;
  margin-bottom:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px;}
.footer-brand .brand-text strong{font-size:15.5px;}
.footer-about{color:var(--t3);font-size:14px;line-height:1.85;max-width:340px;}
.site-footer h4{font-size:14.5px;color:var(--t1);margin-bottom:14px;letter-spacing:.5px;}
.footer-links li{font-size:14px;line-height:2.2;}
.footer-links a{color:var(--t2);}
.footer-links a:hover{color:var(--cyan);}
.footer-links span{color:var(--t3);font-size:13.5px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 620ms cubic-bezier(.2,.7,.3,1),transform 620ms cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media(max-width:991.98px){
  .main-nav,.link-login{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .header-actions .btn-glow{display:none;}
  .tabbar{display:block;}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-main{grid-column:span 2;grid-row:auto;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .faq-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:34px 26px;}
}
@media(max-width:575.98px){
  .wrap{padding:0 16px;}
  .bento{grid-template-columns:1fr;}
  .bento-main{grid-column:span 1;}
  .grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .bento-card .body{padding:18px;}
  .news-item{padding:16px 18px;gap:12px;}
  .news-item .txt small{display:none;}
  .hero-cta .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .brand-text em{display:none;}
  .reveal{opacity:1;transform:none;transition:none;}
}

/* roulang page: category4 */
:root{
  --bg-900:#070C14;
  --bg-800:#0C1522;
  --bg-700:#12202F;
  --glass-bg:rgba(18,32,47,.55);
  --glass-brd:rgba(120,200,255,.14);
  --glass-hi:rgba(255,255,255,.07);
  --brand:#2B6EF6;
  --cyan:#35E0D0;
  --gold:#F5B942;
  --t1:#EAF2FF;
  --t2:#A8BBD2;
  --t3:#6E8299;
  --line:rgba(255,255,255,.08);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 14px 34px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,208,.35), 0 10px 26px rgba(43,110,246,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --wrap:1200px;

  --bs-body-bg:var(--bg-900);
  --bs-body-color:var(--t1);
  --bs-border-radius:12px;
  --bs-link-color:var(--cyan);
  --bs-link-hover-color:#61F0E2;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--t1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,200,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--cyan);text-decoration:none;}
a:hover{color:#61F0E2;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.35;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
::selection{background:rgba(53,224,208,.28);color:#fff;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;position:relative;}
main{position:relative;z-index:1;}
.site-header,.site-footer,.mobile-tab,.nav-drawer,.drawer-mask{position:relative;z-index:1;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:rgba(10,18,30,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;color:inherit;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-size:18px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--cyan),var(--brand));
  box-shadow:0 6px 18px rgba(53,224,208,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:15px;letter-spacing:.5px;color:var(--t1);}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--t3);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px;flex-wrap:nowrap;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--t2);
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--ease), background var(--ease);
}
.main-nav a:hover{color:var(--t1);background:rgba(120,200,255,.06);}
.main-nav a.active{color:var(--cyan);}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(53,224,208,0));
}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-login{font-size:14.5px;color:var(--t2);text-decoration:none;transition:color var(--ease);}
.nav-login:hover{color:var(--t1);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  background:rgba(18,32,47,.6);
  border:1px solid var(--glass-brd);
  color:var(--t1);font-size:17px;
  align-items:center;justify-content:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;text-decoration:none;
  transition:transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease), filter var(--ease);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.btn-glow{
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  color:#04121A;
  box-shadow:var(--glow);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04121A;}
.btn-ghost{
  background:rgba(18,32,47,.5);
  border-color:var(--glass-brd);
  color:var(--t1);
}
.btn-ghost:hover{border-color:rgba(53,224,208,.5);background:rgba(53,224,208,.08);color:var(--t1);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:120;
  background:rgba(4,8,14,.62);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease), visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;left:0;z-index:130;
  width:80%;max-width:340px;height:100%;
  padding:22px 18px calc(22px + env(safe-area-inset-bottom));
  background:rgba(12,21,34,.94);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-right:1px solid var(--glass-brd);
  transform:translateX(-102%);
  transition:transform 280ms cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--t3);letter-spacing:1.6px;margin:6px 0 12px;text-transform:uppercase;}
.nav-drawer a{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;margin-bottom:4px;
  border-radius:10px;
  color:var(--t2);font-size:15px;text-decoration:none;
  transition:background var(--ease), color var(--ease);
}
.nav-drawer a:hover{background:rgba(120,200,255,.07);color:var(--t1);}
.nav-drawer a.active{color:var(--cyan);background:rgba(53,224,208,.09);}
.drawer-foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn{width:100%;}

/* ============ 底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:110;
  background:rgba(9,16,26,.93);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab-inner{display:flex;}
.mobile-tab a{
  position:relative;
  flex:1;
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:9px 0 7px;
  font-size:10px;color:var(--t3);text-decoration:none;
  transition:color var(--ease);
}
.mobile-tab a i{font-size:17px;}
.mobile-tab a.active{color:var(--cyan);}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,208,.85);
}

/* ============ 首页 Hero（内页紧凑版） ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:58px 0 54px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(7,12,20,.74), rgba(7,12,20,.95)),
    radial-gradient(880px 320px at 12% 8%, rgba(53,224,208,.14), transparent 70%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.32fr .68fr;gap:40px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin:0 0 14px;
  font-size:12px;font-weight:600;letter-spacing:2px;color:var(--cyan);
  text-transform:uppercase;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.page-hero h1{
  font-size:clamp(26px,3.6vw,40px);
  margin-bottom:16px;
}
.hero-sub{
  max-width:640px;
  margin:0 0 28px;
  font-size:16.5px;
  color:var(--t2);
  line-height:1.8;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-note{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px 22px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.hero-note::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg, rgba(255,255,255,0), var(--glass-hi), rgba(255,255,255,0));
}
.hero-note i{color:var(--cyan);font-size:18px;margin-top:3px;}
.hero-note strong{display:block;font-size:15px;margin-bottom:4px;}
.hero-note span{font-size:13.5px;color:var(--t3);line-height:1.7;}

/* ============ 板块 ============ */
.section{padding:88px 0;position:relative;}
.section-alt{background:linear-gradient(180deg, rgba(12,21,34,.62), rgba(7,12,20,0));}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.sec-lead{color:var(--t2);font-size:15.5px;margin:0;}

/* ============ 票券卡片 ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ticket{
  position:relative;
  display:flex;flex-direction:column;gap:10px;
  padding:24px 24px 22px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
  text-decoration:none;
  color:inherit;
  overflow:hidden;
  transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.ticket::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--cyan),var(--brand));
  opacity:.75;
}
.ticket::after{
  content:"";position:absolute;right:-10px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;border-radius:50%;
  background:var(--bg-900);
  border:1px solid var(--glass-brd);
}
.ticket:hover{transform:translateY(-4px);border-color:rgba(53,224,208,.42);box-shadow:var(--sh-2);}
.ticket:hover .ticket-arrow{transform:translateX(3px);}
.ticket-no{font-family:Inter,ui-monospace,monospace;font-size:12.5px;letter-spacing:1.6px;color:var(--gold);}
.ticket h3{font-size:17px;font-weight:600;}
.ticket p{margin:0;font-size:13.5px;color:var(--t3);line-height:1.75;}
.ticket-arrow{
  margin-top:auto;font-size:13px;color:var(--cyan);
  display:inline-flex;align-items:center;gap:6px;
  transition:transform var(--ease);
}

/* ============ FAQ 主体 ============ */
.faq-layout{display:grid;grid-template-columns:1fr 1fr 236px;gap:22px;align-items:start;}
.faq-accordion .accordion-item{
  position:relative;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  scroll-margin-top:100px;
  transition:border-color var(--ease), box-shadow var(--ease);
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg, rgba(255,255,255,0), var(--glass-hi), rgba(255,255,255,0));
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(53,224,208,.4);
  box-shadow:0 10px 28px rgba(0,0,0,.35);
}
.faq-accordion .accordion-button{
  position:relative;
  display:flex;align-items:center;gap:12px;
  width:100%;
  padding:19px 22px;
  background:transparent;
  border:0;
  box-shadow:none;
  color:var(--t1);
  font-size:17px;font-weight:600;line-height:1.5;
  text-align:left;
}
.faq-accordion .accordion-button::after{display:none;}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 4px 4px 0;background:var(--cyan);
  transform:scaleY(0);transform-origin:center;
  transition:transform var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--cyan);background:rgba(53,224,208,.05);}
.faq-accordion .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px;}
.faq-sign{
  position:relative;flex:0 0 22px;width:22px;height:22px;margin-left:auto;
  border-radius:50%;border:1px solid var(--glass-brd);
  transition:border-color var(--ease), background var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--t2);border-radius:2px;
  transition:transform var(--ease), opacity var(--ease), background var(--ease);
}
.faq-sign::before{width:10px;height:1.6px;transform:translate(-50%,-50%);}
.faq-sign::after{width:1.6px;height:10px;transform:translate(-50%,-50%);}
.accordion-button:not(.collapsed) .faq-sign{border-color:rgba(53,224,208,.5);background:rgba(53,224,208,.12);}
.accordion-button:not(.collapsed) .faq-sign::before{background:var(--cyan);}
.accordion-button:not(.collapsed) .faq-sign::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-accordion .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--t2);
  line-height:1.85;
}
.faq-accordion .accordion-body p:last-child{margin-bottom:0;}

/* ============ 右侧锚点导航 ============ */
.anchor-nav{
  position:sticky;top:92px;
  padding:20px 18px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-1);
}
.anchor-nav h3{font-size:14px;margin-bottom:12px;letter-spacing:.6px;}
.anchor-nav .group-t{
  font-size:11.5px;color:var(--t3);letter-spacing:1.4px;
  margin:14px 0 6px;text-transform:uppercase;
}
.anchor-nav .group-t:first-of-type{margin-top:0;}
.anchor-nav ul{list-style:none;}
.anchor-nav li a{
  display:block;
  padding:6px 10px;
  font-size:13.5px;
  color:var(--t2);
  border-left:2px solid transparent;
  border-radius:8px;
  transition:color var(--ease), background var(--ease), border-color var(--ease);
}
.anchor-nav li a:hover{
  color:var(--cyan);
  background:rgba(53,224,208,.07);
  border-left-color:var(--cyan);
}

/* ============ 反馈支持区 ============ */
.support-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;}
.support-figure{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-brd);
  background:var(--bg-700);
  box-shadow:var(--sh-2);
  position:relative;
}
.support-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,12,20,0), rgba(7,12,20,.55));
  pointer-events:none;
}
.support-figure img{width:100%;height:340px;object-fit:cover;}
.step-list{list-style:none;counter-reset:st;margin:0 0 26px;}
.step-list li{position:relative;padding-left:54px;margin-bottom:20px;}
.step-list li:last-child{margin-bottom:0;}
.step-list li::before{
  counter-increment:st;
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:0;
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  font-family:Inter,ui-monospace,monospace;
  font-size:13px;font-weight:700;color:var(--cyan);
  background:rgba(53,224,208,.1);
  border:1px solid rgba(53,224,208,.28);
}
.step-list strong{display:block;font-size:16px;margin-bottom:4px;}
.step-list span{font-size:14px;color:var(--t3);line-height:1.8;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.5fr auto;
  gap:28px;
  align-items:center;
  padding:44px;
  border-radius:var(--r-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-2);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 260px at 86% 18%, rgba(43,110,246,.24), transparent 70%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(21px,2.2vw,28px);margin-bottom:10px;}
.cta-panel p{margin:0;color:var(--t2);font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-points{
  grid-column:1 / -1;
  display:flex;flex-wrap:wrap;gap:26px;
  list-style:none;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t2);}
.cta-points i{color:var(--gold);font-size:13px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  background:var(--bg-800);
  border-top:1px solid var(--line);
  padding:64px 0 24px;
  margin-top:24px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px;border-radius:11px;}
.footer-brand .brand-text strong{font-size:14.5px;}
.footer-about{max-width:360px;font-size:13.5px;color:var(--t3);line-height:1.9;margin:0;}
.site-footer h4{font-size:14px;margin-bottom:14px;letter-spacing:.6px;}
.footer-links{list-style:none;}
.footer-links li{line-height:2.2;font-size:14px;}
.footer-links a{color:var(--t2);transition:color var(--ease);}
.footer-links a:hover{color:var(--cyan);}
.footer-links span{color:var(--t3);font-size:13px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 进入动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.2,.7,.3,1), transform 520ms cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .faq-layout{grid-template-columns:1fr 1fr;}
  .anchor-nav{grid-column:1 / -1;position:static;}
  .anchor-nav ul{display:flex;flex-wrap:wrap;gap:4px;}
  .anchor-nav li{flex:1 1 46%;}
  .anchor-nav .group-t{flex:1 1 100%;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-login{display:none;}
  .nav-actions .btn-glow{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-tab{display:block;}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
  .section{padding:56px 0;}
  .hero-inner{grid-template-columns:1fr;gap:28px;}
  .page-hero{padding:44px 0 42px;}
  .ticket-grid{grid-template-columns:repeat(2,1fr);}
  .support-grid{grid-template-columns:1fr;gap:30px;}
  .support-figure img{height:260px;}
  .cta-panel{grid-template-columns:1fr;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-about{max-width:none;}
}
@media (max-width:767px){
  .faq-layout{grid-template-columns:1fr;}
  .wrap{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-points{gap:14px;flex-direction:column;}
}
@media (max-width:575px){
  .ticket-grid{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .page-hero h1{font-size:26px;}
  .faq-accordion .accordion-button{font-size:16px;padding:16px 18px;}
  .faq-accordion .accordion-body{padding:0 18px 18px;font-size:14.5px;}
  .anchor-nav li{flex:1 1 100%;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}